[Event "Hoogovens-B"]
[Site "Wijk aan Zee"]
[Date "1994.01.??"]
[Round "9"]
[White "Hansen, Lars Bo"]
[Black "Pliester, Leon"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "2545"]
[BlackElo "2395"]
[Annotator "Ambroz,J"]
[PlyCount "53"]
[EventDate "1994.01.21"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[EventCategory "9"]
[SourceTitle "CBM 040"]
[Source "ChessBase"]
[SourceDate "1994.06.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.06.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. c4 c6 7. Nc3 Nbd7 8. Qd3
b6 (8... Re8 $6 9. e4 dxc4 10. Qxc4 Nf8 11. e5 N6d7 12. Ne4 Nb6 13. Qe2 h6 14.
h4 $1 Nd5 15. Nh2 f5 16. exf6 Nxf6 17. Rd1 N8h7 18. Nf3 Rf8 19. Ne5 $16 {
Kengis-Hmadi, Manila olm 1992}) 9. e4 Ba6 (9... a5 $5 10. b3 Ba6 11. exd5 cxd5
12. a4 Nb8 $5 13. Ne5 Bb7 14. Qe2 Na6 15. Bf4 Nb4 16. Rac1 Rc8 17. g4 $5 h6 18.
Rfd1 Ba8 19. Bg3 Re8 20. h3 Nd7 $10 {Romanishin-Dolmatov, Erevan zt 1982}) 10.
b3 dxc4 (10... Rc8 11. a4 $1 {N; (+)b5} (11. Rd1 dxe4 {N} (11... c5 12. exd5
exd5 13. Bb2 dxc4 14. bxc4 cxd4 15. Nb5 Nc5 16. Qxd4 Qxd4 17. Nfxd4 Bxb5 (17...
Na4 18. Nf5 $1 Rfe8 19. Bd4 Bxb5 20. cxb5) 18. cxb5 {><c6} Na4 19. Nf5 Rfe8 20.
Bd4 Bc5 21. Bc6 $1 {Romanishin-Ciric,D, Dortmund 1976}) (11... Bb4 12. e5 Ne8
13. Ng5 $1 g6 14. Ne2 Ng7 15. h4 Qc7 16. h5 $1 Nxh5 17. g4 Ng7 18. Qh3 h5 19.
gxh5 $16 {Schlichtmann-Lipteinik, Dortmund op 1988}) 12. Nxe4 b5 13. Nxf6+ Bxf6
14. Bf4 bxc4 15. bxc4 c5 16. Rac1 Qa5 17. Qe2 Rfd8 18. Ne5 {Sosonko,G-Flear,G/
San Bernardino/1991/0.5 (18)}) (11. Bf4 Re8 12. Rfd1 Nf8 13. a4 Bb4 14. e5 N6d7
15. Bd2 Nb8 16. Qc2 Be7 17. Qa2 Bb7 18. Qb2 a5 19. h4 Na6 20. Bg5 Nb4 21. Rac1
Rc7 22. Qd2 Qd7 23. Nh2 Bxg5 24. hxg5 Rec8 25. Ng4 {Kortchnoi,V-Petrosian,T/
Moskva 20/540/1975/1-0 (74)}) 11... Ne8 $5 12. exd5 cxd5 $6 13. Nb5 $1 dxc4 14.
bxc4 Nd6 15. Nd2 $16 Bxb5 16. axb5 Qc7 17. Ba3 Rfd8 18. Rac1 Nf5 $1 19. Bxe7
Nxe7 20. Rfe1 Nb8 $2 21. Nf3 a6 22. bxa6 Nxa6 23. Qa3 $1 Ra8 $8 24. Ne5 Ra7 25.
Qb2 $16 {Petursson,M-Renet,O/St.Martin 52/500 [Petursson,M]/1991/1-0 (49)}) (
10... Ne8 $146 11. Rd1 Nd6 12. e5 Nb7 $2 13. h4 Rc8 14. Ng5 g6 15. Nf3 dxc4 $6
16. Qe3 $1 $16 Re8 17. Ne4 Qc7 18. h5 Rcd8 $6 19. hxg6 hxg6 20. Qh6 Bf8 21. Qh4
Bg7 22. Bg5 $18 {Sorokin,M-Landa,K/St.Petersburg zt [Belov]/1993/1-0 (28)}) 11.
bxc4 e5 12. Rd1 exd4 (12... Qc7 13. dxe5 Nxe5 14. Nxe5 Qxe5 15. Bf4 Qc5 16. e5
Nh5 (16... Bxc4 17. Qd4 (17. exf6 Bxd3 18. fxe7 Qxc3 19. Rac1 Qa3 20. exf8=Q+
Rxf8 21. Rxc6 Bb5 $19) 17... Nh5 18. Be3 $1 {/\ g4, >< Nh5}) 17. Be3 Qxe5 (
17... Qxc4 18. Qxc4 Bxc4 19. g4) 18. Bxc6 Rad8 19. Bd4 (19. Nd5 $5 $36 Nf6 20.
Bd4 Qd6 21. Qe3 (21. Nxe7+ Qxe7 22. Rac1 $14) 21... Nxd5 22. cxd5 Bf6 $5 23.
Bxf6 Qxf6 24. Qa3 Be2 $1) 19... Qg5 20. Nb5 Bc5 21. Qe3 Qxe3 22. fxe3 Nf6 23.
Bxc5 bxc5 24. Nxa7 Bxc4 25. Rdc1 {Sorokin,M-Hoffman,A/San Martin (03)/1993/0.5
(50)}) (12... Bb4 13. Bb2 exd4 14. Nxd4 Ne5 15. Qc2 Qc8 16. Nf5 Re8 17. Qc1 h6
18. Ne2 Bc5 19. Nf4 Nfg4 20. Bd4 Bf8 21. h3 c5 22. Bc3 Nf6 23. Nd5 Nfd7 24. f4
Nxc4 25. Bxg7 $1 {Inkiov,V-Letzelter,J._C/Buenos Aires (ol) 26/532/1978/1-0 
(32)}) 13. Nxd4 Ne5 14. Qc2 Qe8 15. Bg5 Bxc4 16. Nf5 Rd8 17. h3 {/\ f4} h6 18.
Rxd8 Bxd8 (18... Qxd8 19. Rd1 Qc7 20. Bf4 $44 (20. Bxh6 gxh6 21. Qc1 Rd8 22.
Qxh6 Rxd1+ 23. Nxd1 Ne8 24. Qh5 Ng6 $19)) 19. Bf4 b5 20. Qd2 $1 Qd7 (20... b4
$5 21. Bxh6 bxc3 22. Qg5 Ng6 23. Bxg7 Nh7) 21. Bxh6 $1 gxh6 22. Qxh6 Ne8 23.
Qh5 Qe6 24. Nh6+ Kg7 25. Nf5+ Kg8 26. Nh6+ Kg7 27. Nf5+ 1/2-1/2

[Event "Aruba m"]
[Site "Aruba"]
[Date "1994.??.??"]
[Round "2"]
[White "Piket, Jeroen"]
[Black "Polugaevsky, Lev"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "2605"]
[BlackElo "2595"]
[Annotator "Ambroz,J"]
[PlyCount "60"]
[EventDate "1994.02.??"]
[EventType "match"]
[EventRounds "8"]
[EventCountry "NAU"]
[SourceTitle "CBM 040"]
[Source "ChessBase"]
[SourceDate "1994.06.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.06.01"]
[SourceQuality "1"]

1. d4 {Kortschnoj Ftacnik} Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. c4
c6 7. Nc3 Nbd7 (7... dxc4 8. e4 Nbd7 9. a4 e5 10. dxe5 Ng4 $13 {Sosonko-Van
der Wiel, Wijk aan Zee 1987}) 8. Qd3 b6 9. e4 Ba6 10. b3 dxc4 11. bxc4 e5 12.
Rd1 (12. dxe5 Ng4 13. Bf4 g5 14. Nxg5 Ngxe5 15. Qe3 Nxc4 16. Qc1 Nce5 17. Rd1
Nd3 18. Rxd3 Bxd3 19. Qe3 Ne5 20. Rd1 Bc5 21. Qc1 Ng4 22. Rd2 Qd4 23. h3 Nxf2 {
Kouatly-Pfleger, Royan 1988}) 12... exd4 (12... Bb4 {Ftacnik} 13. Bb2 (13. dxe5
{Kortschnoj} Ng4 $13) 13... exd4 14. Nxd4 Ne5 15. Qc2 Qc8 16. Nf5 Re8 17. Qc1
h6 18. Ne2 Bc5 19. Nf4 Nfg4 20. Bd4 Bf8 21. h3 c5 22. Bc3 Nf6 23. Nd5 Nfd7 24.
f4 Nxc4 25. Bxg7 $40 {Inkiov,V-Letzelter,JC/Buenos Aires olm/1978/1-0 (32)}) (
12... Qc7 {Ftacnik} 13. dxe5 Nxe5 14. Nxe5 Qxe5 15. Bf4 Qc5 16. e5 Nh5 17. Be3
Qxe5 18. Bxc6 Rad8 19. Bd4 Qg5 20. Nb5 Bc5 21. Qe3 Qxe3 22. fxe3 Nf6 23. Bxc5
bxc5 24. Nxa7 Bxc4 25. Rdc1 $14 {Sorokin,M-Hoffman,A/San Martin (03)/1993/0.5 
(50)}) 13. Nxd4 Ne5 14. Qc2 Qe8 (14... Bxc4 15. Nxc6 (15. f4 Bc5 16. Be3 Neg4)
15... Qc7 16. Nd5 $5 Nxd5 17. exd5 $16) 15. Bf4 (15. Bg5 $5 {Ftacnik} Bxc4 16.
Nf5 (16. f4 Neg4 {xe3}) 16... Rd8 17. h3 h6 18. Rxd8 (18. Bf4 Nd3 $13) 18...
Bxd8 19. Bf4 b5 (19... Nfd7 20. Qd2 $132) 20. Qd2 Qd7 21. Bxh6 $1 gxh6 22. Qxh6
Ne8 23. Qh5 Qe6 24. Nh6+ Kg7 25. Nf5+ {Hansen,LB-Pliester,L/Wijk-B (09)/1994/0.
5 (27)} Kg8 $10 (25... Kf6 $2 26. Qh4+ Kg6 27. Qh6#)) 15... Nfd7 (15... Nxc4
16. e5 Nd5 17. Nxd5 cxd5 18. Bxd5 $16) 16. Bh3 $1 {/\ Nc6} (16. Bxe5 {Ftacnik}
Nxe5 17. f4 Nxc4 18. Qa4 Na5 19. e5 Bb7 $15) 16... Bf6 (16... c5 17. Ndb5 $1 (
17. Nc6 Bf6 (17... Nxc6 $2 18. Bxd7) 18. Bxd7 Nxd7 19. Bd6 Bxc4 20. Bxf8 Nxf8
$13)) 17. Nxc6 Nf3+ 18. Kg2 (18. Kh1 $16 {Kortschnoj}) 18... Nc5 $1 19. Rd6 (
19. Kxf3 Bxc3 20. Bd7 (20. Qxc3 Qxe4+ 21. Kg4 Qxc6 $19) 20... Nxd7 21. Qxc3 Nc5
$19) (19. Bd7 Nxd7 20. Kxf3 Nc5) (19. Bd6 $5 Qxc6 20. Bxc5 (20. Bxf8 Kxf8 21.
Kxf3 Bxc3) 20... Bxc3 $5 (20... Qxc5 21. Kxf3 Qxc4 22. Rac1) 21. Qxc3 (21. Bxf8
Bxa1 $17) 21... Nh4+ 22. gxh4 Qxe4+ $15) (19. Nb4 {Ftacnik} Nd4 20. Qc1 Bb7 $17
) 19... Bxc3 20. Qxc3 Bb7 $1 (20... Nxe4 $2 {Ftacnik} 21. Qxf3 Nxd6 22. Bxd6
Bb7 23. Ne7+ Qxe7 24. Bxe7 Bxf3+ 25. Kxf3 $18) 21. Qxf3 Bxc6 22. Kg1 (22. Bf5
g6) (22. Rxc6 Qxc6 23. Re1 Rad8 $17) 22... Nxe4 23. Rd5 (23. Bg2 Nxd6 24. Qxc6
Qxc6 25. Bxc6 Rad8 26. Rc1 $17 {/\ c5}) (23. Rxc6 {Ftacnik} Qxc6 24. Bf5 Qf6
$17) (23. Rdd1 {Ftacnik} Ng5 24. Qh5 Qe4 $19) 23... Bxd5 24. cxd5 f5 25. Re1 $2
(25. Bg2 $142 Rc8 $17) (25. Rc1 {Ftacnik} g5 26. Be3 g4 $19) (25. Bf1 $17 {
Ftacnik}) 25... Ng5 $1 26. Bxg5 Qxe1+ 27. Kg2 Qe4 28. Qxe4 fxe4 29. Be6+ Kh8
30. Kf1 (30. d6 Rae8) 30... Rae8 0-1

[Event "Tekirdag Rodosto"]
[Site "Tekirdag"]
[Date "2016.11.03"]
[Round "2"]
[White "Atalik, Ekaterina"]
[Black "Atalik, Suat"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "2414"]
[BlackElo "2550"]
[Annotator "Atalik,S"]
[PlyCount "118"]
[EventDate "2016.11.02"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "TUR"]
[EventCategory "11"]
[SourceTitle "CBM 176"]
[Source "ChessBase"]
[SourceDate "2017.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2017.01.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c6 5. g3 Be7 6. Bg2 O-O 7. O-O Nbd7 {
Now we have a Classical Catalan on the board.} 8. Qc2 $6 {I am not impressed
with this pawn sacrifice.} {There is no need for} dxc4 (8... b6 9. Rd1 Ba6 10.
b3 Rc8 11. e4 dxc4 12. Bf4 Bb4 $13) 9. Rd1 Nd5 $5 (9... b5 $5 10. b3 b4 11. Ne5
Bb7 12. Na4 c3 13. Nxc6 Bxc6 14. Bxc6 Rc8 15. Bb7 Rc7 16. Bg2 $13) 10. e4 (10.
Ne4 b5 11. Neg5 g6) 10... Nxc3 11. bxc3 (11. Qxc3 $2 b5 12. b3 Nb6 13. Ne5 Bb7
14. bxc4 f6) 11... Qa5 (11... b5 12. d5) 12. h4 $6 {This does not fit the
system.} (12. a4 $1 Nb6 $1 13. Be3 c5 (13... f6 $5 14. e5 Bd7 15. exf6 gxf6 $13
) 14. dxc5 Bxc5 15. Bxc5 Qxc5 16. a5 Nd7 17. Qa4 b5 18. axb6 Nxb6 19. Qa5 $44)
12... e5 13. Be3 f6 $1 $17 14. Nd2 Nb6 15. Bf1 Be6 16. Rab1 (16. a4 Rad8) (16.
dxe5 fxe5 (16... Bc5 $2 17. Nb3 $1 cxb3 18. axb3 $18) 17. Bxb6 Qxb6 18. Nxc4
Qc7 19. Rd2 Bc5 $17 {and Black's pair of bishops matters.}) 16... Kh8 17. Be2
Rad8 18. h5 Rd7 $2 {It is really inexplicable} ({why I did not choose} 18...
Qa4 $1 19. Qxa4 (19. Qb2 Ba3 20. Qa1 $17) 19... Nxa4 20. Rxb7 Nxc3 21. Rxe7
exd4 $1 $19 {I had not seen this last move.}) 19. h6 Qa4 (19... gxh6 20. Bxh6
Rfd8 $142) (19... g6 20. Nf3 $132) 20. hxg7+ Kxg7 21. Rdc1 Ba3 $2 {A bad
mistake; while commiting it I was thinking only about the exchange sacrifice.}
(21... Qxc2 22. Rxc2 exd4 23. cxd4 f5 24. f3 fxe4 25. fxe4 Bf6 $1 26. e5 $140
Bd8 {and White's centre is loose.}) 22. Rxb6 $2 (22. dxe5 $1 fxe5 (22... Bxc1
$2 23. Qxc1 $1 {is surprisingly dangerous for Black.}) 23. Nf3 Qxc2 (23... Kf6
$5 24. Bg5+ Kg6 $11) 24. Rxc2 Bd6 25. Ng5 Bg8 26. Rd2 Rdd8) 22... Qxc2 23. Rxc2
axb6 24. Bxc4 Bg4 $1 25. f3 Bh5 26. g4 Bg6 {The bad bishop should be kept!} (
26... Bf7 $2 27. Bxf7 Kxf7 28. Nc4 Bd6 29. Nxb6 Rdd8 $13) 27. dxe5 fxe5 28.
Bxb6 Bc1 $1 (28... c5 $2 29. Bb5 $1 $13) (28... Be7 $5) 29. Nb3 Rd1+ (29... Bf4
30. Nc5 (30. Kg2 Bf7) 30... Be3+ 31. Kg2 Bxc5 32. Bxc5 Rfd8 $17) 30. Kg2 Ba3 $5
(30... Bg5 31. Nc5 Bf7) 31. Be2 Rb1 32. Bc7 (32. Rd2 Rb2 33. Bc5 Ra8 $17) 32...
Re8 33. Rd2 Rb2 34. Rd7+ Kf6 $5 {The start of a long walk for my king.} (34...
Bf7 35. Kf1 Kg6 $17) 35. Kf1 Kg5 $6 (35... Ke6 $142 36. Rg7 Be7) 36. Na5 $2
$138 {White could have produced a mess} ({with} 36. Bb6 $1 Kf4 $140 $2 37. Kf2)
36... Kf4 $1 $17 37. Nc4 Rxa2 $2 (37... Rb1+ $142 38. Bd1 Bb2 $1 $17) 38. Bb6
$1 Kg3 39. Bf2+ Kh2 40. Bg1+ (40. Be3 $142) 40... Kh3 (40... Kh1 $2 41. Rd1 $1)
41. Rd3 Ra1+ 42. Bd1 Kh4 $1 $138 {In the second time trouble Black won a pawn
and was all set up to retrieve the king from the danger zone.} 43. Kg2 (43. Bh2
$2 Bf7 44. Nxe5 Rxe5 45. Bxe5 Bc4 46. Kg2 Ra2+ $1 $19 (46... Bxd3 $4 47. Bf6#))
43... Bc1 $1 44. Nd6 Rb8 $2 {I thought that Katya could pick up the b7-pawn in
other lines.} (44... Rea8 $1 45. Nxb7 $140 R8a2+ 46. Bf2+ Kg5 $19) 45. Nf5+ $2
(45. Bf2+ Kg5 46. Kh3 $1 Kh6 47. Nf5+ Bxf5 48. exf5 $44 {is a better version
of minor piece exchange.}) 45... Kg5 46. Bc5 (46. Bb6 h5) 46... Ra2+ 47. Kg1 (
47. Kf1 $5) 47... Rba8 $1 48. Ng3 Kh6 $5 (48... Ba3 49. Be3+ Kf6 50. g5+ Ke7
$19) 49. Nf5+ Bxf5 50. exf5 Bg5 $1 51. Rd6+ Kg7 52. Rd7+ (52. f4 b6 $3 (52...
Bxf4 53. Rd7+ Kh8 54. Be7 $132) 53. Bxb6 Bxf4 54. Rd7+ Kh8) 52... Kh8 $1 53.
Bd6 Bf6 54. Kf1 (54. g5 Rg8 55. g6 hxg6 56. Bb3 Ra1+) 54... h6 $6 (54... Rd2 $1
55. Ke1 Rh2 $1 $19 {decides the game right away.}) 55. Rf7 $2 {Losing
immediately.} (55. Bc5 Ra1 56. Be3 Rd8 $19) 55... Rd2 56. Rxf6 Ra1 $1 $19 {
The little big move decides the game at once.} 57. Rf8+ Kg7 58. f6+ Kg6 59.
Rg8+ Kxf6 0-1

[Event "EU-ch 8th"]
[Site "Dresden"]
[Date "2007.04.14"]
[Round "11"]
[White "Chuchelov, Vladimir"]
[Black "Sargissian, Gabriel"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "2539"]
[BlackElo "2651"]
[Annotator "Avrukh,B"]
[PlyCount "52"]
[EventDate "2007.04.03"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 118"]
[Source "ChessBase"]
[SourceDate "2007.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2007.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Bf4
Nbd7 9. Qb3 {A few years ago this was a fashionable choice, but later on Black
managed to find a good line: 9...b6 10.Nc3 Bb7 and White failed to create any
problems for Black.} ({Nowadays} 9. Qc2 {is White's main option.}) 9... a5 $5 {
No doubts Gabriel has a deep knowledge of this line, playing the Catalan with
both colours as he does. So he opted for a tricky line, which actually first
occured in his own game.} ({As I mentioned before the main line is supposed to
be} 9... b6) 10. a4 {[%csl Gb4] Not the most useful move, but has been played
in almost all the games, where this position has been occurred.} ({The point
of Black's previous move can be seen from the following game:} 10. Nc3 a4 $1
11. Nxa4 dxc4 12. Qc2 Nd5 {with good play for Black.1/2-1/2 Sargissian,
G-Asrian,K/Yerevan 2003/CBM 096 ext (22)}) ({Maybe White should try} 10. Rc1 {
, but still I believe Black should be OK here.}) 10... b6 $146 {The most
natural move, which appears to be a novelty.} ({It seems to me, that Black has
no problems after} 10... Nh5 {here is a recent example:} 11. Be3 Bd6 12. Nc3
Kh8 13. Ne1 f5 14. Nd3 Qe7 15. f4 Nhf6 16. Ne5 Ne4 17. Nxe4 {1/2-1/2
Gustafsson,J-Lautier,J/Gothenburg SWE 2005/The Week in Chess 561}) 11. Nc3 Ba6
12. Nd2 $6 {In general a wrong plan, since now White's Q is clearly misplaced
on b3.} ({White's best option definitely should be:} 12. cxd5 exd5 {and we get
a typical position, which is supposed to be slightly better for White, but the
insertion of a4 and a5 clearly favours Black and his chances are not worse.} (
12... Nxd5 $5)) 12... Rc8 {It's clear, that everything is ready for the move
c6-c5.} (12... c5 $2 13. cxd5 cxd4 14. d6 dxc3 15. dxe7 Qxe7 16. Bxa8 $16) 13.
Rfd1 $2 {It difficult to say what White missed here, but after 13...c5 Black
takes over the initiative.} ({It was necessary to play} 13. e4 c5 14. exd5 cxd4
15. d6 dxc3 16. dxe7 Qxe7 17. Qxc3 Nc5 18. b4 {and White keeps the balance
after} axb4 19. Qxb4 $11) 13... c5 $15 14. dxc5 ({White loses a pawn after} 14.
cxd5 cxd4 15. d6 dxc3 16. dxe7 Qxe7 17. bxc3 Bxe2 18. Re1 Ba6 $17) 14... d4 15.
c6 $2 {This is already the decisive mistake.} (15. Nb5 $142 e5 16. Bg5 Nxc5 17.
Qc2 Ng4 18. Bxe7 Qxe7 $15) 15... Nc5 16. c7 Qxc7 ({Equally strong was} 16...
Nxb3 17. cxd8=Q Rfxd8 18. Nxb3 dxc3 19. Rxd8+ Bxd8 20. bxc3 Rxc4 21. Bd2 Bc8
$17 {/\ 22...Bd7}) 17. Bxc7 (17. Nb5 Nxb3 18. Nxc7 Nxa1 19. Nxa6 Nc2 $17) 17...
Nxb3 18. Nxb3 dxc3 $19 {Now White is lost.} 19. Bxb6 (19. Be5 Bxc4 $19) 19...
Bxc4 20. Nxa5 ({Black wins easily also after} 20. Nd4 cxb2 21. Rab1 Ba3 22. Nc2
Bxe2 23. Nxa3 Bxd1 24. Rxd1 Rc3 25. Nb1 Rc1 26. Rf1 Rfc8 $19) 20... cxb2 21.
Rab1 Bxe2 22. Nc6 (22. Re1 Bb4 $19) 22... Rxc6 23. Bxc6 Bxd1 24. Rxb2 (24. Rxd1
Rc8 $19) 24... Rc8 25. Bb7 Rc1 26. Be3 Ra1 0-1

[Event "St Petersburg zt"]
[Site "St Petersburg"]
[Date "1993.??.??"]
[Round "2"]
[White "Sorokin, Maxim"]
[Black "Landa, Konstantin"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2490"]
[BlackElo "2445"]
[Annotator "Belov,I"]
[PlyCount "55"]
[EventDate "1993.01.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 034"]
[Source "ChessBase"]
[SourceDate "1993.06.01"]
[SourceVersion "1"]
[SourceVersionDate "1993.06.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. g3 O-O 6. Bg2 c6 7. O-O Nbd7 8. Qd3
b6 9. e4 Ba6 10. b3 Ne8 $146 (10... Rc8 11. a4 Ne8 12. exd5 cxd5 $6 (12... exd5
13. Re1 dxc4 14. bxc4 Nd6 15. Nd2 Bf6 16. Bb2 $14) 13. Nb5 $1 dxc4 14. bxc4 Nd6
15. Nd2 $16 {Petursson,M-Renet/St Martin/1991/}) (10... dxc4 11. bxc4 e5 12.
Rd1 Bb4 13. Bb2 exd4 14. Nxd4 Ne5 15. Qc2 Qc7 $13 {ECO}) 11. Rd1 Nd6 (11...
dxc4 12. Qe2) 12. e5 Nb7 $2 (12... dxc4 13. Qe2 Nb5 14. Nxb5 cxb5 15. d5 $44) (
12... Nf5 $5 $14) 13. h4 Rc8 (13... h6 $5) 14. Ng5 g6 15. Nf3 dxc4 $6 (15...
Qc7 {/\ c5}) (15... c5 $5) 16. Qe3 $1 $16 Re8 17. Ne4 Qc7 (17... c5 18. d5 $16)
18. h5 Rcd8 $6 (18... Bf8 $142) 19. hxg6 hxg6 20. Qh6 Bf8 21. Qh4 Bg7 22. Bg5
$18 cxb3 23. axb3 Be2 24. Re1 (24. Rd2 Bxf3 25. Bxf3 Nxe5 $17) 24... Bxf3 25.
Bxf3 Ra8 26. Kg2 c5 27. Rh1 cxd4 28. Bf6 $18 1-0

[Event "EU-ch 12th"]
[Site "Aix les Bains"]
[Date "2011.04.01"]
[Round "10"]
[White "Sokolov, Ivan"]
[Black "Stefansson, Hannes"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2643"]
[BlackElo "2557"]
[Annotator "Botvinnik,M/Primel,D"]
[PlyCount "91"]
[EventDate "2011.03.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "FRA"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. g3 {Retombe d'une Semi-Slave vers
une Catalane mais en perdant l'option de jouer Nbd2} (5. e3) (5. Bg5) 5... dxc4
{la ligne critique lorsque les Blancs ont joué Nc3} (5... Nbd7 {La grande ligne
} 6. Bg2 Be7 (6... Bd6 7. O-O O-O 8. Nd2 {[%cal Ge2e4,Gd2c4]} Re8 9. e4 dxe4
10. Ndxe4 Nxe4 11. Nxe4 Be7 12. Bf4 Nf6 13. c5 $1 {[%csl Rc8];Ivanisevic,I 
(2602)-Ascic,P (2387) Zupanja op-A 13th 2007 (5) 1-0}) 7. O-O O-O 8. b3 b6 (
8... Qa5 $6 9. Qd3 $14 {[%cal Ge2e4];Primel,D (2149)-Yacob,F (2195)
Championnat de Paris 2002 (6) 1/2}) 9. Bb2 Bb7 (9... Ba6 10. Nd2 {[%cal Gd2c4,
Ge2e4]} Rc8 11. a4 (11. e4) 11... Qc7 12. Qb1 (12. a5 b5 13. c5 b4 $13) 12...
Rfd8 13. Rc1 Qb8 14. e3 Bb4 15. Ba3 Bxa3 16. Rxa3 $14) 10. Qc2 Rc8 11. Rad1 (
11. e4) (11. e4 c5 {[%cal Gc8c2]}) 11... Qc7 (11... b5) (11... c5) 12. e4 dxe4
13. Nxe4 (13. Ng5 $5) 13... Nxe4 14. Qxe4 c5 15. d5 Bf6 16. Qc2 exd5 (16...
Bxb2 $143 17. dxe6 $1 {Lengyel,L-Sliwa,B Rubinstein Memorial 04th 1966 (7) 1-0}
) 17. cxd5 Bxb2 18. Qxb2 Rcd8 19. d6 Qb8 20. Rfe1 Nf6 21. Re7 Nd5 (21... Rxd6
$5 22. Rxd6 Qxd6 23. Rxb7 Qd1+ 24. Bf1 Qxf3 $44 {Neistadt}) 22. Rxb7 {Kramer,
H-Fichtl,J Varna ol (Men) fin-A 1962 (1) 1-0}) 6. Bg2 Nbd7 (6... b5 7. Ne5 a6
8. a4 Bb7 9. O-O Nd5 (9... Qb6 10. e4 (10. Bg5)) 10. e4 Nxc3 11. bxc3 Nd7 12.
Bf4 Be7 13. Qg4 $44 {[%csl Rg7][%cal Gf4h6];Kortschnoj,V (2602)-Wang Yue (2704)
Amsterdam NH Hotels 3rd 2008 (9) 1/2}) 7. e4 (7. O-O Be7 8. e4 (8. a4) 8... O-O
9. a4 e5 $132 (9... b6 10. Qe2 a5 11. Rd1 Ba6 {Leon Hoyos,M (2569)-Milos,G 
(2593) Iberoamerican-ch fin-A 4th 2012 (5) 1-0})) (7. a4 Bb4) 7... Be7 (7...
Bb4 {Plus actif} 8. e5 (8. Qe2) (8. O-O $146 Bxc3 9. bxc3 Nxe4 10. Qc2 Ndf6 11.
Ba3 $44 {[%csl Re8][%cal Gf3e5,Gg2e4,Ge5c4]}) 8... Nd5) 8. O-O O-O 9. Bf4 (9.
a4 e5 $1 (9... b6 10. Qe2 Ba6 (10... a5) 11. Rd1 (11. b3 {[%cal Ge2a6]} Bb4 12.
Bb2 c5 13. bxc4 cxd4 14. Nxd4 Bxc3 15. Bxc3 Rc8 16. Nb5 Bxb5 17. axb5 {[%csl
Ra7]} Qc7 18. e5 Qxc4 19. Qxc4 Rxc4 20. exf6 Rxc3 21. fxg7 Kxg7 22. Rxa7 $11 {
Botvinnik}) 11... Re8 12. Bf4) (9... a5 {[%csl Gb4] La grande ligne} 10. Qe2 b6
{[%cal Gc8a6]} 11. Rd1 Ba6 12. Bf4 (12. d5 $13))) 9... Re8 (9... b5 {Le coup
naturel mais les Blancs ont des bonnes compensations avec la percée thématique
d5} 10. d5 $44 Qb6 11. dxc6 Nc5) 10. a4 Nf8 $6 $146 {[%csl Rf8] Début d'un
plan bizarre et trés passif} (10... a5 11. Re1 (11. Qc2 b6 12. Rfd1 Bf8 13. d5
$36 {Bacrot,E (2710)-Filippov,A (2606) FIDE World Cup 2011 (2.2) 1-0}) 11...
Nf8 (11... Bb4) 12. Qe2 Ng6 13. Bg5 e5 14. Bxf6 Bxf6 15. d5 Ne7 16. Nd2 b6 17.
Nxc4 Ba6 18. Rad1 cxd5 19. Nxd5 Nxd5 20. exd5 Bxc4 21. Qxc4 Rc8 22. Qe2 Qd6 23.
Rc1 Rc5 24. Rxc5 Qxc5 25. Qd2 Rd8 26. Rc1 {Sokolov,I (2669)-Harikrishna,P 
(2686)/Sarajevo 2009/1/2-1/2}) (10... b6 {[%cal Gc8a6,Gc8b7] Plus naturel mais
les Blancs peuvent exploiter la position active du Nc3} 11. d5 $1 {[%csl Gc3];
Shimanov,A (2535)-Potkin,V (2614) RUS Cup final 2009 (1.1) 1-0}) 11. a5 $44 {
[%csl Rb7,Rc4][%cal Gf3e5,Ge5c4]} Ng6 12. e5 $1 {Gagne de l'espace et
l'affaiblissement de la case "d5" ne permet néanmoins pas aux Noirs d'égaliser}
(12. Bg5) 12... Nd5 13. Bd2 c5 $5 {Souvent un coup libérateur dans la Catalane
malgré la perte de temps} 14. dxc5 Nxc3 (14... Bxc5 15. Ne4 Be7 16. Qa4 {
[%cal Ga4c4]} Bd7 17. Qxc4 Rc8) 15. Bxc3 $14 Bxc5 (15... Qxd1 $2 16. Rfxd1 $32
{[%csl Ra8,Rc8]}) 16. Nd2 $1 {[%csl Rb7,Gg2][%cal Gd2c4,Ga5a6] Les Noirs n'ont
pas réussi а terminer le développement de l'aile-dame qui va être sous
pression du Bg2} (16. h4 $5 {[%csl Rg6][%cal Gh4h5]} Qc7 17. h5 Nf8 18. Nd2 Bd7
(18... Rd8 19. Qe2 Bd7 20. Qxc4 Rac8 21. Qg4 $36 {[%csl Rg7,Rg8][%cal Gd2e4,
Ge4f6]}) 19. Nxc4 Bxf2+ 20. Rxf2 Qxc4 21. Qf3 {[%csl Rf7]}) 16... Qc7 17. Nxc4
Rd8 (17... Bxf2+ 18. Rxf2 Qxc4 19. a6 $1 $18 {[%cal Gg2a8]}) 18. Qf3 {[%csl
Ra8,Rb7][%cal Ga5a6] Remet une couche sur la diagonale mais Qe2 aurait gagné
un tempo sur la partie car les Noirs ne peuvent pas simplifier en jouant Bc6
attaquant la Qf3} (18. Qe2 $142 $1 {[%cal Ge2c4,Ge2e5]} Rb8 19. h4 Bd7 20. Nd6
$1 (20. h5 Bb5) 20... Bxd6 21. exd6 Qxd6 22. Rfd1 Qc7 (22... Qe7 23. h5 Nf8 24.
h6 $36 {[%csl Gc3]}) 23. h5 Nf8 24. Be5 {[%csl Rb8]}) 18... Rb8 19. h4 $1 {
[%csl Rg6][%cal Gh4h5] Les Blancs peuvent se permettre le luxe de jouer sur
tout l'échiquier!} (19. Rfd1 $5 Bd7 20. Nd6 {[%csl Gd6,Rf7]} Bc6 21. Qd3 Bxg2
22. Kxg2 Rd7 23. Rac1 Rbd8 24. Qb5 {[%cal Gd1d7]}) 19... Bd7 20. h5 Bc6 21. Qg4
Bxg2 22. Kxg2 Bd4 (22... Nf8 23. h6) (22... Ne7 {[%cal Ge7d5,Gd5c3]} 23. Rac1 (
23. Nd6 {[%cal Gc3g7]} Nd5 24. Rac1) 23... Nd5 24. h6 g6 25. Bd2 (25. Nd6 $1
Bxd6 26. exd6 Qc6 {[%cal Gc6g2,Gd5f4]} 27. Kg1 Nxc3 28. Rxc3 Qxd6 29. Rfc1)
25... Qc6 {[%cal Gc6g2]} 26. Qf3 Qd7 (26... Rbc8 27. Nd6) 27. b4 Be7 (27...
Bxb4 28. Bxb4 Nxb4 29. Qf6) 28. Rfd1 Qb5 29. Nd6 Bxd6 30. exd6 Rxd6 31. Bf4
Nxf4+ 32. Qxf4 e5 33. Qf3 Rxd1 34. Rxd1 Qxb4 35. Rd7 Qf8 36. Rxb7 Rxb7 37. Qxb7
Qxh6 38. Qxa7 $40 {[%csl Ga5,Rh6][%cal Ga5a6,Ga7b8]}) 23. hxg6 Qxc4 24. Qh4 $1
{[%cal Gf1h1] Un joli coup intermédiaire profitant de la double attaque} Qd5+ (
24... hxg6 25. Rh1 $40 f6 26. exf6 Kf7 {Un moindre mal et la position n'est
pas totalement claire.}) (24... fxg6 $2 25. Rad1 {[%csl Rd4,Rd8][%cal Gd1d8,
Gh4d8]}) 25. f3 Bxc3 26. Rad1 (26. Qxh7+ $143 $5 Kf8 27. Qh8+ Ke7 28. Qxg7 Bxe5
29. Qxf7+ Kd6 30. Rfd1 Bd4 31. Rac1 Rd7 (31... Rbc8 32. Rxc8 Rxc8 33. g7 e5 34.
Qf8+ $1) 32. Qf4+ e5 33. Qf6+ Qe6 34. Rxd4+ {Joli mais les Blancs n'ont qu'un
échec perpétuel} exd4 35. Qxd4+ Ke7 36. Qg7+ Kd6 37. Qd4+ Ke7) 26... Bd4 27.
Qxh7+ Kf8 28. Qh8+ Ke7 29. Qxg7 Kd7 30. Rc1 {[%csl Gc1,Rd7]} Qxe5 31. Qxf7+ Kd6
32. Rfe1 Qf6 33. Qc7+ Kd5 34. Qc4+ Kd6 35. Qc7+ Kd5 36. a6 e5 37. Qc4+ Kd6 38.
Qc7+ Kd5 39. axb7 Qb6 40. Qf7+ (40. Rxe5+ {Devait gagner plus vite} Bxe5 41.
Qc4+) 40... Kd6 41. Qf6+ (41. g7) 41... Kd5 42. Qf7+ Kd6 43. g7 Qxb7 44. Qg6+
Kd7 45. Rh1 e4 46. Qf7+ 1-0

[Event "EU-Cup 21st"]
[Site "Saint Vincent"]
[Date "2005.09.22"]
[Round "5.4"]
[White "Tkachiev, Vladislav"]
[Black "Filippov, Valery"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2625"]
[BlackElo "2621"]
[Annotator "CB"]
[PlyCount "89"]
[EventDate "2005.09.18"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "ITA"]
[SourceTitle "CBM 110"]
[Source "ChessBase"]
[SourceDate "2006.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2006.01.31"]
[SourceQuality "1"]
[WhiteTeam "Tomsk 400"]
[BlackTeam "Kazan Ladya"]
[WhiteTeamCountry "RUS"]
[BlackTeamCountry "RUS"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 c6 {This move leads to so called "closed"
variation of the Catalan opening.} 5. Bg2 Nbd7 6. O-O {Usually White puts his
queen on c2 either immediately or in next two moves, but this time we shall
see an old developing method which was popular in fiftie's and sixtie's.} Be7
7. b3 O-O 8. Nbd2 b6 9. Bb2 Bb7 10. Rc1 c5 ({Two months ago Fillipov played} 
10... Rc8 {and lost quickly after} 11. e3 c5 12. Qe2 Rc7 13. cxd5 Nxd5 14. e4
N5f6 15. e5 Nd5 16. Nc4 Qc8 17. Qd2 Rd8 18. Nd6 Bxd6 19. exd6 Rc6 20. dxc5 Nxc5
21. Bxg7 $1 Ne4 {Accepting the sacrifice was a bit better, but wouldn't change
the final result.} (21... Kxg7 22. Qg5+ Kf8 (22... Kh8 23. Ne5 Rd7 24. Nxc6
Bxc6 25. Bxd5 exd5 26. Qe5+ Kg8 27. b4 Ne4 28. b5) 23. Qh6+ Ke8 24. Ne5 Rcxd6
25. Qxh7 R8d7 26. b4 Nxb4 27. Nxd7 Rxd7 28. Qh8+ Ke7 29. Qh4+) 22. Qh6 Rxc1 23.
Rxc1 Qxc1+ 24. Qxc1 Kxg7 25. Nd4 Rc8 26. Qa1 Ndf6 27. Nb5 Rc2 28. d7 Rd2 29.
Nd4 {1-0 Dizdar,G-Filippov,V/Warsaw (Poland) 2005}) 11. cxd5 Bxd5 12. e3 {
With this move we enter in a rather unexplored territory with no relevant
games in our database.} Ne4 (12... Rc8 {looks even more to the point.}) 13.
Nxe4 Bxe4 14. Qe2 Qb8 {With the idea to put the queen on b7 and bring the
rooks on c and d lines. In this way all Black's problems would have been
solved.} 15. Bh3 $5 Bf6 ({Now if} 15... Qb7 {then} 16. Nd2 Bc6 17. dxc5 Nxc5
18. b4 Na4 (18... Ne4 19. Nxe4 Bxe4 20. Qg4 g6 21. Qf4) 19. Bxg7 $1 Kxg7 20. b5
Bd5 21. Qg4+ Kh8 22. Qxa4 {and White won back his temporarily sacrificed
material with some interests.}) 16. Ba3 $5 {It is interesting how White puts
his bishops on the edge of the board in order to avoid exchanges which would
facilitate Black's task.} Qb7 ({It was better to wait still a little bit with
this move and to play} 16... Rd8 17. Rfd1 Qb7 18. Nd2 Bc6 {and now if} 19. dxc5
{then} Ne5) 17. Nd2 Bc6 18. b4 $1 cxb4 (18... cxd4 19. b5) 19. Bxb4 Rfd8 20.
Nc4 Bf3 21. Qb2 {Diagram #} Nc5 $2 {In the moment when he solved all his
opening problems and due to the awkward position of Bh3 he could even count on
some edge, Black commits a serious error.} (21... a5 {was the most accurate
move.}) 22. Bxc5 bxc5 23. Qxb7 Bxb7 24. dxc5 {Now Black is just pawn down. The
rest is just a matter of technique.} Be7 25. Na5 Ba6 26. Rfe1 Rac8 27. Nb3 Kf8
28. Bf1 Bxf1 29. Kxf1 Rc6 30. Rc4 Ra6 31. Re2 Ke8 32. Nd4 Rc8 33. Rec2 Ra5 34.
c6 g6 35. a4 a6 36. e4 {Restraining even more the black rook.} Re5 37. Nf3 Ra5
38. Nd2 Rh5 39. Kg2 g5 {It is hard to understand such move, but it was
probably made in time trouble.} 40. h3 Rh6 41. e5 {Now the rook is definitely
out of play and the end is close.} f6 42. Ne4 fxe5 43. Rb2 Rg6 44. Rb6 a5 45.
Ra6 {With some more pawns to drop Black gave up.} 1-0

[Event "Olympiad-12 Final A"]
[Site "Moscow"]
[Date "1956.09.12"]
[Round "3"]
[White "Najdorf, Miguel"]
[Black "Golombek, Harry"]
[Result "1/2-1/2"]
[ECO "E07"]
[Annotator "ChessBase"]
[PlyCount "44"]
[EventDate "1956.09.10"]
[EventType "team-tourn"]
[EventRounds "11"]
[EventCountry "URS"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]
[WhiteTeam "Argentina"]
[BlackTeam "England"]
[WhiteTeamCountry "ARG"]
[BlackTeamCountry "ENG"]

1. c4 Nf6 2. Nf3 e6 3. g3 Be7 4. Bg2 O-O 5. O-O d5 6. d4 c6 7. Nc3 b6 8. b3
Nbd7 9. Bb2 Ba6 10. Nd2 Rc8 11. e4 dxe4 12. Ncxe4 c5 $6 13. dxc5 $1 Nxc5 $2 (
13... bxc5) 14. Nxf6+ gxf6 (14... Bxf6 15. Bxf6 Qxf6 16. b4 Nd7 17. b5 $18) 15.
Qg4+ Kh8 16. Rad1 Qc7 17. Ne4 (17. Qh4 $1 $18 e5 18. Ne4 Nxe4 19. Bxe4 f5 20.
Qh5 $18) 17... Nxe4 18. Bxe4 Bb7 {#} 19. Bxh7 $2 (19. Bb1 Qc6 20. f3 Rg8 21.
Qh4 Rg7 22. Bxf6 $18) 19... Qc6 $1 (19... Kxh7 20. Qh5+ Kg7 21. Rd4 $18) 20.
Rd5 (20. f3 Kxh7 21. Qh5+ Kg7 22. Rd4 $2 Bc5) 20... exd5 21. Qh5 (21. Bf5 Rg8)
21... Kg7 22. Re1 dxc4 1/2-1/2

[Event "Europa-Meisterschaft"]
[Site "Munich"]
[Date "1942.09.18"]
[Round "4"]
[White "Alekhine, Alexander"]
[Black "Keres, Paul"]
[Result "1-0"]
[ECO "E07"]
[Annotator "ChessBase"]
[PlyCount "65"]
[EventDate "1942.09.15"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. c4 Bb7 4. g3 e6 5. Bg2 Be7 6. O-O O-O 7. b3 d5 8. Ne5 c6
9. Bb2 Nbd7 10. Nd2 c5 11. e3 Rc8 12. Rc1 Rc7 13. Qe2 Qa8 $2 (13... Qb8) 14.
cxd5 Nxd5 15. e4 N5f6 16. b4 Rfc8 17. dxc5 bxc5 18. b5 a6 (18... Nxe5 19. Bxe5
Rd7 20. Nb3 $1) 19. a4 axb5 20. axb5 Qa7 21. Nec4 $1 Qa8 22. Bxf6 $2 gxf6 (
22... Bxf6 23. b6) (22... Nxf6 23. Nb6) 23. b6 Rc6 24. e5 Rxb6 25. Nxb6 Nxb6
26. Bxb7 Qxb7 27. exf6 Bxf6 28. Ne4 Be7 29. Qg4+ Kh8 30. Qf4 $13 Bf8 31. Nxc5
Qc7 (31... Rxc5 32. Qd4+) 32. Nxe6 Qxf4 33. Nxf4 1-0

[Event "Haninge"]
[Site "Haninge"]
[Date "1989.??.??"]
[Round "?"]
[White "Polugaevsky, Lev"]
[Black "Wedberg, Tom Birger"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2575"]
[BlackElo "2510"]
[Annotator "ChessBase"]
[PlyCount "109"]
[EventDate "1989.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "SWE"]
[EventCategory "13"]
[SourceTitle "CBM 013"]
[Source "ChessBase"]
[SourceDate "1989.12.01"]
[SourceVersion "1"]
[SourceVersionDate "1989.12.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. g3 O-O 6. Bg2 c6 7. O-O Nbd7 8. b3
b6 9. Bb2 Ba6 10. Qd3 c5 11. Rfd1 Rc8 12. Nb5 Bxb5 13. cxb5 Ne4 14. Ne5 Nxe5
15. dxe5 f5 (15... Qe8 16. Bxe4 dxe4 17. Qd7 $1 $14) 16. exf6 Bxf6 17. Bxe4
Bxb2 18. Bxh7+ Kh8 19. Rab1 Qf6 20. Rf1 Ba3 $2 (20... c4 21. bxc4 Rxc4 $1 $13)
21. Bg6 e5 22. Bh5 Qg5 23. Qg6 Qxg6 24. Bxg6 c4 25. bxc4 dxc4 26. Rfd1 Rf6 27.
Bc2 Bc5 28. e3 Rcf8 29. Rd2 c3 30. Re2 Ba3 31. Rd1 Rd6 32. Rxd6 Bxd6 33. Re1 g5
34. Rd1 Rf6 35. Kf1 Kg7 36. Rd3 Bb4 37. Ke2 Rf7 38. a3 Bxa3 39. Rxc3 Bc5 40.
Rd3 Kf6 41. Rd1 Rc7 42. Be4 Be7 43. Ra1 Bb4 44. Ra4 Be7 45. Bc6 Bd6 46. h4 gxh4
47. Rxh4 a5 48. bxa6 $3 Rxc6 49. Rh6+ Kf5 (49... Ke7 50. Rh8 Rc2+ 51. Kf3 Ra2
52. a7 $18) 50. a7 Rc2+ 51. Kf3 e4+ 52. Kg2 Ra2 53. Rxd6 Rxa7 54. Rxb6 Rg7 55.
Rh6 1-0

[Event "Candidates Tournament"]
[Site "Zuerich"]
[Date "1953.10.10"]
[Round "22"]
[White "Keres, Paul"]
[Black "Kotov, Alexander"]
[Result "1/2-1/2"]
[ECO "E07"]
[Annotator "ChessBase/Kortschnoj"]
[PlyCount "112"]
[EventDate "1953.08.30"]
[EventType "tourn"]
[EventRounds "30"]
[EventCountry "SUI"]
[SourceTitle "Candidates"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O c6 7. b3 Nbd7 8. Bb2
b6 9. Nbd2 Bb7 10. Rc1 Rc8 11. e3 c5 12. Qe2 cxd4 13. Nxd4 Nc5 14. Rfd1 Qd7 15.
N2f3 Rfd8 16. Ne5 Qe8 17. cxd5 Bxd5 18. Ndc6 Rxc6 19. Nxc6 Qxc6 20. Bxd5 exd5
21. b4 Nfe4 22. bxc5 bxc5 23. Qg4 g6 24. h4 Qe6 25. Qxe6 fxe6 26. Be5 c4 27.
Rc2 Nc5 28. Rb1 Kf7 29. Bd4 Rd7 30. Rcb2 e5 31. Bxc5 Bxc5 32. Rc2 Rc7 33. e4
Ke6 34. Kf1 Bd4 35. f3 c3 36. Ke2 Rf7 37. Rf1 Kd6 38. Kd3 Kc5 39. Re2 Rb7 40.
f4 dxe4+ 41. Rxe4 Rd7 42. Kc2 Kd5 43. Rfe1 Rb7 44. Kc1 Rb2 45. R4e2 e4 {
[%mdl 4096] R <->B} 46. Rxe4 (46. Rxb2 {Kortschnoj/Bernstein,A Shakhmaty
Bulletin 1964, no.1, p.3} cxb2+ 47. Kc2 Bf2 (47... h5 $145 $1 48. a4 a5 49. Rf1
Kc4 50. Rd1 e3 $19) 48. Rd1+ (48. Re2 e3 49. Kxb2 Ke4 $19) (48. Rb1 $145 $11)
48... Kc4 49. Rd7 e3 50. Re7 b1=Q+ 51. Kxb1 Kd3) 46... Rxa2 47. g4 Rg2 48. f5
gxf5 49. gxf5 Rf2 50. Re7 Kc4 51. R1e4 Kd3 52. Rxd4+ Kxd4 53. Rxh7 a5 54. Rd7+
Ke4 55. h5 Rxf5 56. h6 Rh5 1/2-1/2

[Event "Olympiad-31"]
[Site "Moscow"]
[Date "1994.12.06"]
[Round "6.1"]
[White "Kortschnoj, Viktor Lvovich"]
[Black "Nogueiras Santiago, Jesus"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2615"]
[BlackElo "2530"]
[Annotator "Dolmatov,S"]
[PlyCount "65"]
[EventDate "1994.12.01"]
[EventType "team-swiss"]
[EventRounds "14"]
[EventCountry "RUS"]
[SourceTitle "CBM 045"]
[Source "ChessBase"]
[SourceDate "1995.04.01"]
[SourceVersion "1"]
[SourceVersionDate "1995.04.01"]
[SourceQuality "1"]
[WhiteTeam "Switzerland"]
[BlackTeam "Cuba"]
[WhiteTeamCountry "SUI"]
[BlackTeamCountry "CUB"]

1. d4 {Kortschnoj} d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 c6 5. g3 Be7 (5... Nbd7 {
Kortschnoj} 6. Bg2 dxc4 7. O-O) 6. Bg2 O-O 7. O-O Nbd7 8. b3 b6 9. Bb2 Ba6 10.
a4 $5 {Kortschnoj} (10. Nd2 Rc8 (10... b5 $13 {Kortschnoj}) 11. e4 dxe4 12.
Ndxe4 Nxe4 13. Nxe4 Nf6 $10) 10... dxc4 (10... Rc8 11. Nd2 Bb7 12. e4 dxe4 13.
Ndxe4 Nxe4 14. Nxe4 Nf6 15. a5 $14 {Kortschnoj,V-Huebner,R/Tilburg/1985/}) 11.
bxc4 Bxc4 12. Nd2 Ba6 (12... Bd5 $2 13. e4 $18) 13. Bxc6 Rc8 14. Bg2 $14 Nb8
15. Nb5 Qd7 16. Qb1 (16. Qb3 $5 Nc6 17. Nf3 Na5 18. Qd3 Nc4 19. Ne5 $1 Nxb2 (
19... Nxe5 20. dxe5 Qxd3 21. exd3 $14) 20. Qb3 Qe8 21. Qxb2 $14) 16... Bxb5 (
16... Nc6 17. Nf3 Rfd8 18. Rd1 $14) 17. axb5 Qxb5 18. Rxa7 Qxe2 $2 (18... Nbd7
19. e3 $14) 19. Bc1 $1 Nc6 (19... Bd6 20. Bf3 $18) (19... Nbd7 20. Bf3 Rxc1 21.
Bxe2 Rxb1 22. Rxb1 $16) 20. Bxc6 Rxc6 21. Rxe7 Rfc8 $16 22. Ra7 h5 23. Nb3 (23.
Ra3 $6 Ng4 $40) 23... h4 $2 (23... Rc2 $5 24. Ba3 (24. Bf4 $2 Rb2) (24. d5 $2
Nxd5 25. Nd4 $2 Qxf1+ 26. Kxf1 Rxc1+ $19) (24. Bd2 Ne4 $1 {~/= Kortschnoj} (
24... Rxd2 25. Nxd2 Qxd2 26. Qxb6 $16) 25. Qd1 (25. Ra8 $2 Nxd2) 25... Qxd1 26.
Rxd1 Rb2 27. Ra3 Rcc2 $44) 24... h4 25. Qd1 Qe4 $14) 24. Bf4 Nd5 25. Re1 $16
Qg4 26. Qd1 (26. Bd2 $5 Nc3 27. Qd3) 26... Qxd1 27. Rxd1 Rc3 $16 28. Rb1 Rd3
29. Ra2 Rcc3 30. Rab2 h3 31. Kf1 Nxf4 32. gxf4 Rf3 33. Ke1 $18 1-0

[Event "Sinquefield Cup 6th"]
[Site "Saint Louis"]
[Date "2018.08.26"]
[Round "8"]
[White "Nakamura, Hikaru"]
[Black "Karjakin, Sergey"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "2777"]
[BlackElo "2773"]
[Annotator "Fernandez,D"]
[PlyCount "83"]
[EventDate "2018.08.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "22"]
[SourceTitle "CBM 186"]
[Source "ChessBase"]
[SourceDate "2018.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2018.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O Nbd7 (7...
c6 $5 {is the main move, and probably a more accurate move order. It strongly
discourages White from playing Nc3, and thus keeps the option of playing ...
Ne4/...f5 as a serious one. One recent test went} 8. a4 $5 (8. Nc3 dxc4 9. e4 (
9. a4 Na6 $132 {Li,C-Akash,G Manila 2013}) 9... b5 $1) 8... a5 9. Bc3 b6 10.
Nbd2 Na6 11. Ne5 Bb7 12. e4 Nb4 $1 $132 {Fedoseev,V-Gelfand,B Moscow 2018.
Somehow, Black won in another 15 moves.}) 8. Nc3 c6 (8... dxc4 {is possible
here too, but after} 9. e4 c5 10. Bf4 Nb6 11. a4 $14 {Nakamura,H-Adams,M Baku
2015; Black is suffering.}) 9. Bf4 dxc4 10. e4 Re8 (10... b5 {is principled,
but now} 11. d5 {is highly forcing and difficult to work out.} Qb6 $1 (11... e5
$5 12. Nxe5 Nxe5 13. Bxe5 Ng4 14. Bf4 g5 15. Bd2 b4 16. Na4 Ne5 $13) (11...
cxd5 12. exd5 Qb6 13. dxe6 fxe6 14. Nd4 $14) 12. dxc6 (12. Be3 Bc5 13. dxc6
Qxc6 14. e5 Nd5 15. Nd4 Qa6 $5 16. a4 $2 Nxe3 17. fxe3 b4 $15 {Matlakov,
M-Grandelius,N Doha 2015}) 12... Nc5 $13 {My feeling is Black should be okay,
but homework is more important than the precise evaluation in such positions.
This particular one has been reached a significant number of times, the most
notable example being:} 13. e5 Nd5 14. Bg5 Rd8 $6 (14... Bxg5 15. Nxg5 Nd3 16.
Nxd5 exd5 17. Bxd5 Bf5 $11) 15. Qc2 (15. Nxb5 $1 $14 {is a very strange decoy
tactic}) 15... Bxg5 16. Nxg5 Nd3 $15 {Adhiban,B-So,W Mashhad 2011}) 11. a4 b6 (
11... a5 {is also playable; however, one weakness of having played ...Nbd7 is
that the knight can no longer easily reach b4.}) 12. d5 {Fully thematic and
undoubtedly still preparation, as the position was already known to elite
praxis (see next note.)} exd5 13. exd5 (13. e5 $6 {This move is insanely
ambitious.} Ne4 (13... Nc5 $5 14. exf6 Bxf6 $17) 14. Nxd5 cxd5 15. Qxd5 Bb7 $1
16. Qxb7 Ndc5 17. Qc6 Rc8 18. Qb5 Nd3 $17 {Jakovenko,D-Riazantsev, A France
2010}) 13... Bb7 $1 14. a5 bxa5 (14... a6 $5 {This very unstereotyped move
threatens ...b5, so White had best have a concrete intention in mind.} 15. d6 (
15. Ng5 cxd5 16. Nxd5 Nc5 $1 $11) 15... Bf8 16. Nd4 Rc8 17. axb6 Qxb6 18. Nf5
$13 {White's position looks easier to play, but assuming Black can get away
with ...c5, this does not translate into an actual advantage.}) 15. d6 Bf8 16.
Nd2 Nd5 $6 {Safe, but acquiescent.} (16... Nb6 {is most natural,
counter-attacking the d6-pawn. There is however, one move of which it makes
sense to be afraid.} 17. Nde4 Nfd5 {and now there is a reasonably pleasant
choice for White.} 18. Nc5 $5 {This looks like positional suicide, but Black
is too passive to take advantage of it.} (18. Bg5 $5 Qb8 19. Rxa5 Bxd6 20. Nxd5
cxd5 21. Nf6+ {is also plausible, with an attack for White.}) 18... Nxf4 19.
gxf4 Qb8 20. N3e4 Nd5 21. Qg4 $13) (16... Rc8 $1 {This machine-precise move is
the only way, it seems, to equalise reliably.} 17. Nxc4 Ba6 18. b3 Nc5 $11) 17.
Nxd5 cxd5 18. Nxc4 $14 {Now White takes the bishop pair.} dxc4 19. Bxb7 Rb8 20.
Bd5 Ne5 $1 {A practically strong move in a difficult position. Now, to
preserve his objective advantage, White must enter a strange type of position.}
({If Black could take with} 20... Rxb2 {then things might be going better for
him, but after} 21. Bxc4 {there is no} Ne5 $4 {due to} 22. Bxe5 Rxe5 23. Qd4
$18) 21. d7 $6 (21. Bxf7+ $1 Nxf7 22. d7 Re6 23. Bxb8 Qxb8 24. Rxa5 $14 {
Black is in big trouble, but it requires considerable patience and technique
to tease out the practical problems from under the surface.} (24. Qg4 $5 $14
Rd6 25. Rfd1 {is similar.})) 21... Qxd7 22. Rxa5 Rbd8 $1 {An accurate move.
Now White's advantage is gone.} 23. Bxe5 Bb4 24. Ra4 a5 $11 {White now has to
agree to the liquidations, after which there is nothing left to do but play
out the requisite number of moves, or else repeat.} 25. Bc3 Bxc3 26. bxc3 Qxd5
27. Qxd5 Rxd5 28. Rxc4 Ra8 29. Ra1 Kf8 30. Raa4 Ra7 31. Rc8+ Ke7 32. c4 Re5 33.
h4 Kd6 34. Kg2 h5 35. Rd8+ Ke7 36. Rc8 g6 37. Rb8 Kd6 38. Rb6+ Kc5 39. Rb5+ Kd6
40. Rb6+ Kc5 41. Rb5+ Kd6 42. Rb6+ {A fighting draw, even if it might not
superficially seem that way.} 1/2-1/2

[Event "Nalchik FIDE GP"]
[Site "Nalchik"]
[Date "2009.04.27"]
[Round "11"]
[White "Gelfand, Boris"]
[Black "Mamedyarov, Shakhriyar"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2733"]
[BlackElo "2725"]
[Annotator "Friedel,F"]
[PlyCount "111"]
[EventDate "2009.04.15"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "RUS"]
[EventCategory "19"]
[SourceTitle "CBM 130"]
[Source "ChessBase"]
[SourceDate "2009.05.20"]
[SourceVersion "1"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. d4 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Bf4
Nbd7 9. Nc3 Nh5 10. Bc1 Nhf6 11. Bf4 Nh5 12. Bc1 Nhf6 13. b3 b6 14. Nd2 Ba6 15.
Bb2 b5 16. cxd5 cxd5 17. a3 Nb6 18. Nf3 Rc8 19. Ne5 Bd6 20. Nd3 Qd7 21. Qd2 Bb7
22. Rfc1 a6 23. Na2 Qe7 24. Qa5 Bc7 25. Nc5 Nbd7 26. Qd2 Nxc5 27. dxc5 Bb8 28.
Bxf6 Qxf6 29. b4 Bc6 30. Nc3 Rfd8 31. e3 Be5 32. Rab1 Bxc3 33. Rxc3 d4 34. exd4
Bxg2 35. Kxg2 Rxd4 36. Rd3 Rcd8 37. Rxd4 Qxd4 38. Qxd4 Rxd4 39. Rc1 Kf8 40. Kf3
Ke7 41. Ke3 Rd8 42. a4 bxa4 43. Ra1 e5 44. Rxa4 Rd4 45. f4 f6 46. Rxa6 Rxb4 47.
Ra7+ Ke6 48. fxe5 Rb3+ $2 (48... Kxe5 49. Rxg7 Rb3+ 50. Kd2 (50. Ke2 Rc3) 50...
Kd5 51. Rxh7 Kxc5 52. Rf7 Kd4 $1) 49. Ke4 f5+ 50. Kd4 Rb4+ 51. Kc3 Rb5 52. Kc4
Rb2 53. c6 $2 (53. Rxg7 Rxh2 54. c6) 53... Kxe5 $2 (53... Rc2+ $1 54. Kb5 g5 $1
) 54. Rxg7 Rxh2 55. c7 Rc2+ 56. Kb3 $1 1-0

[Event "RUS-ch 66th"]
[Site "Nizhnij Novgorod"]
[Date "2013.10.13"]
[Round "8"]
[White "Kramnik, Vladimir"]
[Black "Karjakin, Sergey"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "2796"]
[BlackElo "2762"]
[Annotator "Friedel,J"]
[PlyCount "95"]
[EventDate "2013.10.05"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "RUS"]
[EventCategory "18"]
[SourceTitle "CBM 157"]
[Source "ChessBase"]
[SourceDate "2013.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. Nc3 $5 {Kramnik likes to
surprise people early in the openings these days. This move is highly
inflexible compared to the main move 0-0, but it has a few points of its own.}
(6. O-O dxc4 7. Qc2 {has been played in countless games, with the idea of
simply recapturing on c4.}) 6... Nbd7 {Black doesn't try to punish White's
move order.} (6... dxc4 {is the main test, and now play continues} 7. Ne5 {
This move is the consistent path after 6.Nc3.} c5 {This is the way Black tries
to take advantage of White not having castled.} (7... Nc6 {The purpose of 6.
Nc3 is revealed in the following variation:} 8. Bxc6 bxc6 9. Nxc6 Qe8 10. Nxe7+
Qxe7 11. Qa4 e5 {This move, which pretty much guarantees equality in the line
with 0-0 instead of Nc3, now simply gives White an advantage.} (11... c5 {
is to be recommended, transposing to more or less normal lines}) 12. Qxc4 exd4
13. Qxd4 {and Black doesn't have enough compensation for the pawn. Note how if
White had castled instead of playing Nc3, Black could take on e2 here.}) 8.
dxc5 Qxd1+ 9. Nxd1 Bxc5 {Typically in such endings, if White can complete
development in a normal fashion, that player will secure an advantage due to
his superior bishop on g2. The problem, however, is that coordinating White's
forces is not so easy. In the following recent game, Black neutralized White's
play quite easily.} 10. Ne3 Nbd7 11. N5xc4 Rb8 12. Na5 Ne5 13. Nec4 Bb4+ 14.
Bd2 Bxd2+ 15. Kxd2 Rd8+ 16. Kc3 Nxc4 17. Kxc4 b6 18. Nc6 Bb7 19. Kb3 Bxc6 20.
Bxc6 Ng4 21. f3 Ne3 22. Be4 Nf5 23. Bxf5 exf5 24. Rad1 Re8 25. Rhe1 g6 26. e4
fxe4 27. Rxe4 Rxe4 28. fxe4 Rb7 29. Rd4 Kf8 30. a4 Ke7 31. Kc3 h5 32. b4 Ke6
33. Kd3 a5 34. Ke3 f6 35. h4 Ra7 36. Kf4 Ra8 37. Rc4 axb4 38. Rxb4 Ra6 39. Rd4
Ra5 40. Rb4 Ra6 41. Rd4 Ra5 42. Rb4 {1/2-1/2 (42) Grischuk,A (2785)-Nakamura,H
(2772) Elancourt FRA 2013}) 7. b3 $1 {This move limits Black's possibilities
with regards to dxc4.} (7. O-O dxc4 8. e4 {is a risky but perfectly playable
alternative, simply sacrificing the c4-pawn for the usual Catalan central
pressure.}) 7... c6 8. O-O b6 {And now we've transposed to a closed Catalan!
I'd say this is a somewhat favorable version for White, however, since Black
hasn't forced White's bishop to d2 and thus has more options on how to force
play in the center.} 9. Bb2 Ba6 (9... Bb7 {is the main alternative.}) 10. Nd2 {
This is a common idea in order to push e4. It tends to be played if Black
can't easily pressure the d4 pawn, as the move's drawback is the fact that
pawns is now undefended.} Rc8 11. e4 dxe4 12. Re1 {A rare move, as people
usually immediately recapture the pawn with one of the two knights.} (12. Ncxe4
{looks like the better of the two captures, though it is likely that Kramnik
would rather not leave his knight on d2.}) (12. Ndxe4 b5 $132 {was probably
what Kramnik strived to avoid.}) 12... c5 {This move is consistent, but it
fails to equalize. On the other hand, I don't think playing slow moves like ...
Bb7 and ...Re8 is any better. Once you take on e4 you are pretty much
committed to playing for c5.} 13. Ndxe4 cxd4 14. Qxd4 {Due to his central
space and the oddly placed bishop on a6, I think White's opening can be
considered a success. An excellent example of how cleverness early in the game
can pay off! Even so, the advantage is not a big one.} Nc5 15. Qe3 Qc7 16. Nxc5
(16. Nb5 {I like this concrete approach.} Bxb5 17. Nxf6+ Bxf6 18. Bxf6 {
Qg5 is a threat, so the bishop must be taken} gxf6 19. cxb5 {and due to
Black's slightly weakened king, the c6 square, and the fact Black's knight on
c5 can be easily harassed, I think White should have a nice edge here.}) 16...
Bxc5 17. Qf3 Rfd8 {Now White's advantage is more difficult to prove.} 18. Ne2
$6 {I don't like this move, as it allows Black's bishop a freeing idea.} (18.
Nb5 Bxb5 19. cxb5 Rd2 {is not to be recommended.}) (18. Rad1 {may not look all
that exciting, but I think it was White's best option to keep up some pressure,
even if minimal.}) 18... Qe7 19. Rad1 Rxd1 20. Rxd1 Rd8 (20... b5 {would have
been more to the point, freeing his bishop immediately.}) 21. Rxd8+ Qxd8 22.
Nd4 {It has been a tense and high quality struggle thus far. Don't let the
innocuous appearance of these positions fool you - they require precision!} h5
$1 {Karjakin correctly assesses that this is the best way to provide
counterplay. He gives his king luft and allows for ...Ng4 ideas.} 23. Qa8 Bc8 {
Once again, best. The self-pin looks rather unusual, but Black will get
counterplay using the powerful bishop on c5.} (23... Qxa8 24. Bxa8 {is what
Kramnik was hoping for, and Black will have to struggle for the draw here.
White's plan is to play Kg2 followed by an eventual Nc6, and if Black takes on
d4 then he will suffer for a long time against the bishops.}) 24. Bf3 {This
move is quite understandable, covering the g4 and d1 squares.} (24. h3 Bxd4 25.
Bxd4 Qxd4 26. Qxc8+ Kh7 {doesn't looks like much.}) 24... Kh7 25. Ne2 {
Otherwise Black was going to snap off the knight.} Ng4 (25... Qd1+ 26. Kg2 Ng4
{was even more precise, preventing the idea White played in the game.}) 26. Bd4
$1 Bxd4 27. Qe4+ f5 28. Qxd4 {Now Black has to be cautious again, as the
c-pawn must be treated with caution and there are potential weaknesses.} Qe7
29. Nf4 $1 {The only real try for an advantage.} e5 30. Nd5 Qd6 31. Qd2 (31.
Qc3 {was a better square for the queen, which now supports the advance of the
c-pawn, and I think White is slightly better.}) 31... g6 32. b4 Kg7 {Accurate
play, planning ...Nf6.} 33. Qc1 Nf6 {It is slightly inaccurate here, however.}
(33... Be6 {first was better, as now c5 can't really be played.} 34. c5 (34. a3
$11) 34... bxc5 35. bxc5 Qc6 {with an annoying pin.}) 34. c5 bxc5 35. bxc5 (35.
Nxf6 {was simpler, and now after} Kxf6 36. bxc5 {White's c-pawn should present
some difficulties, though with accurate play Black should hold of course.})
35... Qc6 36. Qc3 e4 {... and here Nxf6 isn't an option.} 37. Nb4 (37. Nxf6
Qxf6 {and after the queen trade Black will be better due to his superior king.}
) 37... Qe6 38. Be2 a5 39. Nc2 Qxa2 {Now the position is still complicated but
White isn't better. In fact, I think accuracy is required by both sides now.}
40. c6 Qb1+ 41. Kg2 h4 {The c-pawn is a potential hazard, not to mention that
Black's king isn't the happiest camper. The reason why it is drawn is because
White's king can be made to feel uncomfortable as well.} 42. Qc5 f4 43. Qe7+
Kh6 44. Qf8+ {White opts for a perpetual instead of getting checkmated.} Kh7
45. Qf7+ Kh6 46. Qf8+ Kh7 47. Qf7+ Kh6 48. Qf8+ {A very high quality and
entertaining game!} 1/2-1/2

[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1990.01.??"]
[Round "7"]
[White "Anand, Viswanathan"]
[Black "Portisch, Lajos"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "2555"]
[BlackElo "2605"]
[Annotator "Ftacnik,L"]
[PlyCount "66"]
[EventDate "1990.01.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "13"]
[SourceTitle "CBM 017"]
[Source "ChessBase"]
[SourceDate "1990.08.01"]
[SourceVersion "1"]
[SourceVersionDate "1990.08.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. g3 O-O 6. Bg2 dxc4 7. O-O Nbd7 8. e4
c6 (8... c5 9. d5 exd5 10. exd5 Nb6 11. Ne5 Bd6 12. f4 Re8 $13 {Petursson,
M-Detreeuw,M/San Bernardino op/1989/}) 9. a4 a5 (9... b5 10. axb5 cxb5 11. d5
Bc5 12. dxe6 fxe6 13. e5 Ng4 14. Ne4 Bb7 15. Nfg5 $36 {King,D-Kotronias,V/
Dortmund/1989/ ->CBM 13}) (9... e5 10. dxe5 Ng4 11. Bf4 Qa5 12. Qd4 Rd8 13.
Qxc4 Ngxe5 14. Nxe5 Nxe5 15. Qb3 b6 {1/4-1/4/Ninov-Dimitrov/Stara Zagora zt-A/
1990/ ->CBM 17}) (9... b6 10. Qe2 Ba6 11. Rd1 Bb4 12. d5 cxd5 13. exd5 e5 14.
Bg5 Bxc3 15. bxc3 h6 16. Bxf6 Qxf6 17. Bh3 Nc5 $10 {Brenninkmeiejer,J-Lukacs,P/
Wijk-B/1988/}) 10. Qe2 b6 (10... Nb6 11. Rd1 Bb4 12. Ne5 Qe7 13. Be3 c5 14. Nb5
$10 {Neckar,L-Prandstetter,E/Praha Bohemians/1988/ ->CBM 08}) 11. Rd1 Ba6 12.
Bh3 (12. d5 $5) 12... Re8 13. g4 Nf8 14. Ne5 Qc7 15. f4 (15. Bf4 {/\ Bg3})
15... b5 $1 16. g5 N6d7 17. Nxd7 Nxd7 18. e5 Rad8 19. f5 (19. axb5 cxb5 20. d5
Bc5+ $132) 19... exf5 20. axb5 Bb7 $1 (20... cxb5 21. Nd5 Qc8 22. Bxf5 $40) 21.
Bxf5 cxb5 22. e6 Nf8 23. exf7+ Kxf7 24. Be4 (24. Bxh7 g6 $1 (24... Nxh7 25. g6+
Kg8 26. Qe6+ Kh8 27. Qh3 $18)) 24... Bxe4 25. Qxe4 Kg8 26. Qg2 Bb4 27. Qg3 (27.
Nxb5 Qd7 28. Nc3 Ng6 $40) 27... Qd7 28. Bf4 Ng6 29. Bc7 Rc8 30. Bxa5 Bd6 31.
Qf3 Kh8 32. h3 b4 33. Nd5 Qc6 {Ftacnik,L} 0-1

[Event "Cacak"]
[Site "Cacak"]
[Date "1996.??.??"]
[Round "1"]
[White "Paunovic, Dragan"]
[Black "Almasi, Zoltan"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "2495"]
[BlackElo "2655"]
[Annotator "Ftacnik,L"]
[PlyCount "94"]
[EventDate "1996.11.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "YUG"]
[EventCategory "13"]
[SourceTitle "CBM 057"]
[Source "ChessBase"]
[SourceDate "1997.04.01"]
[SourceVersion "1"]
[SourceVersionDate "1997.04.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 Be7 5. Bg2 O-O 6. O-O Nbd7 7. Nc3 c6 8. Qb3
b6 9. cxd5 cxd5 10. Bf4 a6 (10... Nh5 11. Bd2 Bb7 12. Rfc1 Rc8 (12... Nhf6 13.
a4 a6 14. a5 b5 15. Na2 {1/2-1/2 Davies,N-Greenfeld,A/Tel Aviv (02)/1991/}) 13.
Ne1 Nb8 14. Nd3 Nc6 15. e3 Nf6 16. Qa4 Na5 17. Ne5 a6 18. Ne2 Nc4 19. Nxc4 b5
20. Qa5 Rxc4 21. b3 Qxa5 22. Bxa5 Rxc1+ 23. Rxc1 Rc8 24. Rxc8+ Bxc8 25. Nc3 {
Romanishin,O-Saeed,S/Taxco izt (01)/1985/1-0 (83)}) 11. Ne5 (11. Rac1 b5 12. a4
b4 13. Nb1 Ne8 14. Nbd2 Bb7 15. Ne5 Nxe5 16. dxe5 a5 17. Nf3 Nc7 18. Be3 Qd7
19. Ne1 Rfc8 20. Nd3 Na6 21. Qa2 Rxc1 22. Rxc1 Rc8 23. Rxc8+ Qxc8 24. b3 {
1/2-1/2 Gligoric,S-Eliskases,E/Saltsjobaden izt (08)/1952/}) (11. Rfc1 Bb7 12.
Na4 Ne8 (12... b5 13. Bc7 Qe8 14. Nb6 Nxb6 15. Bxb6 Rc8 16. Ne5 Nd7 17. Nxd7
Qxd7 18. Bc5 Bxc5 19. dxc5 a5 20. Qd3 Rfd8 21. b3 b4 22. a3 Bc6 23. axb4 axb4
24. Qd4 Rb8 25. Ra6 {Romanishin,O-Dolmatov,S/Moscow/1985/1-0 (60)}) 13. Ne5
Nxe5 14. Bxe5 b5 15. Nc5 Bxc5 16. Rxc5 f6 17. Bf4 g5 18. Bd2 Nd6 19. Qe3 Qd7
20. Bh3 Rfe8 21. b3 Rac8 22. Rac1 Nf5 23. Qd3 Rxc5 24. Rxc5 $14 {Sibilio,
M-Rossi,G/Mendrisio op (06)/1989/1-0 (54)}) 11... Nxe5 12. Bxe5 Nd7 13. Rac1 $6
(13. Bf4 Bb7 14. Rac1 $10) 13... Nxe5 14. dxe5 b5 15. Rfd1 (15. e4 d4 16. Rfd1
Ra7 (16... Qb6 17. Ne2 Rd8 $10)) 15... Ra7 16. e3 (16. e4 d4 17. Ne2 Rd7 18.
Rd3 Qb6 $13) 16... Rc7 17. Ne2 Bd7 18. e4 Rxc1 19. Nxc1 (19. Rxc1 Qb8 20. exd5
Qxe5 21. Nc3 b4 $15) 19... Qb8 20. exd5 $6 (20. f4 Qa7+ 21. Kh1 dxe4 22. Bxe4
Rc8 23. Qf3 Qc7 $10) 20... Qxe5 21. Nd3 Qd6 22. Nf4 (22. Re1 Bf6 $15) 22... e5
23. Nd3 f5 24. a3 e4 25. Nb4 (25. Nf4 a5 $1 $15) 25... Kh8 (25... Rc8 $2 26.
Nxa6 $1 Qxa6 27. d6+ Kf8 28. dxe7+ Kxe7 29. Qb4+ Ke8 30. Qd4 Rd8 31. Qxg7 $18)
26. f3 (26. Rc1 Bf6 27. Rc2 h5 $15) 26... exf3 27. Qxf3 f4 28. g4 (28. Nd3 fxg3
29. Qxg3 Qxg3 30. hxg3 Bd6 31. Kh2 h5 32. Re1 h4 33. Ne5 hxg3+ 34. Kg1 Bf5 $17)
(28. gxf4 Rxf4 29. Qe3 Bd8 $17) 28... Bf6 29. Nd3 Bd4+ 30. Kh1 Be3 31. h3 Qf6 (
31... a5 $5 32. b4 axb4 33. axb4 Be8 $15) 32. b4 $1 Rc8 33. Rf1 Rf8 34. Nc5 {
Der starke Nc5 verbessert die Zukunftsaussichten des Pd5.} (34. Qe4 Bxg4 $6 35.
Qxe3 fxe3 36. Rxf6 Rxf6 37. hxg4 e2 38. Kg1 $16) 34... Bc8 {Strong Nc5
improves the future chances for the d5 pawn.} 35. Qe4 $2 (35. Rd1 Rd8 $13)
35... Bxg4 $1 36. Ne6 (36. hxg4 Qh4+ 37. Bh3 Qxh3#) (36. Qxe3 fxe3 37. Rxf6
Rxf6 38. hxg4 e2 39. Nd3 Rf1+ 40. Kh2 Rd1 41. Kg3 Rxd3+ 42. Kf2 Rg3 43. Bh1 Rg1
44. Kxe2 Rxh1 $19) 36... Re8 37. Re1 (37. Qxe3 fxe3 38. Rxf6 gxf6 39. hxg4 e2
$19) 37... Bxe6 38. dxe6 g6 39. Rd1 Rxe6 40. Qa8+ (40. Rd8+ $2 Qxd8 41. Qxe6
Qd1+ $19) 40... Kg7 41. Qb7+ (41. Bd5 Rd6 42. Qg8+ Kh6 $19) 41... Re7 42. Qf3 (
42. Rd7 Qa1+ $19) 42... Rc7 43. Qe4 Kh6 44. Bf3 Rc3 45. Qb7 Qh4 46. Bg2 Bf2 47.
Qd7 (47. Qxa6 Rxh3+ $19) 47... f3 (47... f3 48. Qd2+ (48. Bf1 Rxa3 $19) 48...
Be3 49. Qxc3 fxg2+ 50. Kxg2 Qf2+ 51. Kh1 Qf3+ 52. Kh2 Bf4+ 53. Kg1 Qxc3 $19)
0-1

[Event "Biel GM 48th"]
[Site "Biel"]
[Date "2015.07.24"]
[Round "5"]
[White "Wojtaszek, Radoslaw"]
[Black "Adams, Michael"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "2733"]
[BlackElo "2740"]
[Annotator "Ftacnik,L"]
[PlyCount "91"]
[EventDate "2015.07.20"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "SUI"]
[EventCategory "19"]
[SourceTitle "CBM 168"]
[Source "ChessBase"]
[SourceDate "2015.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2015.09.14"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Bd2 Be7 {The clever idea of luring
the bishop from c1 to d2 is enjoying some popularity and creates problems for
White's ambition to get an opening advantage.} 6. Bg2 c6 7. O-O Nbd7 8. Nc3 O-O
9. Bf4 Nh5 10. Bc1 Nhf6 11. Qd3 {[%mdl 4] Wojtaszek has worked as a second for
Anand in his world championship matches and his opening knowledge
significantly grew in depth. Not too many players trust the prospects of
putting the queen on d3, but it is definitely a playable line.} b6 (11... Re8
12. Rd1 dxc4 13. Qxc4 Qa5 14. Bf4 Nb6 15. Qb3 Nbd5 16. Ne5 Nxf4 17. gxf4 Bd6
18. e3 Qd8 19. Rac1 Nd5 $11 {0-1 (41) Dzhumabayev,R (2287)-Omarov,O (2330)
Astana 2012}) 12. b3 (12. e4 Ba6 (12... Bb7 13. e5 dxc4 14. Qxc4 Nd5 15. Nxd5
cxd5 16. Qd3 Qc8 17. Re1 Ba6 18. Qd1 Qb7 19. Bg5 Bb4 20. Bd2 Be7 $11 {1-0 (78)
Ulibin,M (2565)-Tiviakov,S (2535) Mamaia 1991}) 13. b3 dxc4 $1 (13... Rc8 14.
Rd1 c5 15. exd5 exd5 16. Bb2) 14. bxc4 e5 $1 {This timely blow against the
White's centre is difficult to meet, as Black has very well located pieces. In
tournament praxis players with White have not been able to prove any advantage.
} 15. dxe5 (15. Rd1 Qc7 {Psakhis,L (2605)-Miladinovic,I (2500)/Moscow 1994/ 
(0-1, 21).} (15... exd4 {Piket,J (2605)-Polugaevsky,L (2595)/Aruba 1994/ (0-1,
33)}) (15... Bb4 16. Bb2 exd4 17. Nxd4 Ne5 18. Qc2 Qc8 19. Nf5 Re8 20. Qc1 h6
21. Ne2 Bc5 22. Nf4 Nfg4 23. Bd4 Bf8 24. h3 c5 25. Bc3 Nf6 26. Nd5 Nfd7 27. f4
$36 {Inkiov,V-Letzelter,JC/Buenos Aires olm/1978/1-0 (32)})) 15... Ng4 16. Bf4
Nc5 (16... g5 $5 17. Rad1 (17. Bh3 Ndxe5 18. Nxe5 Nxe5 19. Qxd8 Nf3+ 20. Kg2
Raxd8 21. Kxf3 gxf4 $17) (17. e6 fxe6 18. Bh3 h5) (17. Nxg5 Ngxe5 18. Qe3 Nxc4
$132 {Kouatly,B (2450)-Pfleger,H (2485)/Royan 1988/ (0-1, 34)}) 17... gxf4 18.
gxf4 $5 (18. Qxd7 Qxd7 19. Rxd7 Bb4 20. Rc1 fxg3 21. hxg3 Rfd8 $132) 18...
Ndxe5 $1 (18... Nc5 19. Qe2 $44 {[%csl Rg4][%cal Gf3d4,Gd4f5]}) 19. Nxe5 Qxd3 (
19... Nxe5 20. Qg3+ $1 $18) 20. Nxd3 Bxc4 $132) 17. Qd1 $5 (17. Qxd8 Rfxd8 18.
h3 Nh6 19. Rfd1 Bxc4 20. Nd4 Rac8 21. Bxh6 gxh6 22. Nf5 Bf8 23. Nd6 Bxd6 24.
exd6 Nd3 25. Rd2 Rxd6 26. Rad1 f6 $2 (26... b5 $13 {[%csl Gc4]}) 27. Bf1 Rcd8
28. Ne2 {1-0 (?!) Vaganian,R (2640)-Mueller,M (2375)/Germany 1995/GER-chT} Bb5
29. Nf4 Ba4 30. Bxd3 Bxd1 31. Rxd1 $14) 17... Nd3 (17... Bxc4 18. Nd4 $1 Bxf1
19. Bxf1 Re8 (19... Rc8 20. Nf5 $36 Qxd1 $2 21. Nxe7+ $18) (19... Bg5 20. Nxc6
Qxd1 21. Rxd1 Bxf4 22. gxf4 $44) 20. Nxc6 Qxd1 21. Rxd1 $44) 18. Qa4 Bc5 $5 (
18... Bb7 19. Rad1 $16) (18... Ngxf2 $5) 19. Rad1 Bxf2+ 20. Rxf2 Ngxf2 21. Rd2
Qe7 22. Be3 Ng4 23. Rxd3 Nxe3 24. Rxe3 Qc5 $44 25. Kf2 Bxc4 26. Nb1 b5 $15 {
1/2 (31) Eljanov,P (2681)-Asrian,K (2623) Kemer 2007}) (12. Rd1 Bb7 13. e4 Rc8
14. Bf4 Ba6 15. b3 c5 16. exd5 exd5 17. dxc5 dxc4 18. bxc4 Nxc5 19. Qf5 Qe8 20.
Nd5 Nxd5 21. cxd5 g6 22. Qb1 Bf6 $11 {1-0 (31) Gleizerov,E (2590)-Jurcik,M 
(2360) Banska Stiavnica 2011}) 12... Ba6 13. Rd1 {Wojtaszek is avoiding the
pitfalls of the immediate expansion in the centre with 13.e4 and supports the
queen with the rook.} (13. e4 dxc4 14. bxc4 e5) 13... c5 {The pin along the
a6-f1 diagonal makes it easier for Black to seek counterplay with central
expansion.} 14. Nb5 {It is difficult to guess in which laboratory White's idea
was cooked up, but it seems to be quite sensible.} (14. dxc5 Bxc5 15. a4 Qe7
16. a5 Rfc8 $11) 14... Bxb5 15. cxb5 a6 $5 {Adams is one of the best strategic
thinkers in the current chess world, but his mediocre tactics are preventing
his rise to the absolute top.} (15... Rc8 16. Bb2 c4 (16... Qc7 17. Rac1 $14)
17. bxc4 dxc4 18. Qc2 c3 19. Bc1 Qc7 20. e4 $14) 16. bxa6 Qc8 17. Bb2 Qxa6 18.
Qxa6 Rxa6 19. a4 Rc8 {Black has achieved a solid, promising position that has
to treated carefully due to the bishop pair in the hands of Wojtaszek.} 20.
Rdc1 (20. Rac1 Ra7 (20... c4 21. Ne5 $14) 21. Rc2 b5 22. axb5 Rb7 $11) 20...
Ne4 21. e3 Ra7 22. Bf1 (22. dxc5 bxc5 23. Nd4 Raa8 24. Bxe4 cxd4 25. Bc2 dxe3
26. fxe3 Bb4 $11) 22... f5 (22... g5 23. Bd3 f5 24. h3 Kf7 25. g4 $11) 23. Rc2
(23. Kg2 Bf6 24. Rc2 $14) 23... g5 24. dxc5 (24. Kg2 $5 Bf6 25. Rac1 Kf7 26.
Nd2 $14) 24... bxc5 {Adams' decision is very understandable from the human
point of view, but it does not mean it was the best choice. It is most likely
that recapturing with a rook would in an ideal world deserve the preference
lesving Black with equal chances.} (24... Rxc5 $5 25. Bd3 g4 26. Nd4 Kf7 $11)
25. Nd4 Kf7 26. Nb5 Raa8 27. f3 Nef6 (27... Nd6 28. Kg2 $14) 28. a5 {White is
very eager to get an advantage, but is unable to spot the surprising idea of
sacrificing the central e-pawn. The advance of a pawn is less dangerous for
Black.} (28. Be2 Nb8 29. e4 $5 Nc6 (29... dxe4 30. fxe4 Nxe4 31. Rf1 Nc6 32.
Bc4 $14) 30. exf5 exf5 31. Re1 $14) 28... g4 29. f4 Nb8 30. Be5 (30. h3 Rg8 $11
) 30... Nc6 31. Nd6+ $2 {It is slightly painful for the annotator to criticize
ambitious ideas involving fighting for an advantage, but objectively speaking
the exchange of the knight is simply wrong.} (31. Bc3 Ne4 32. a6 Bf6 33. Bxf6
Kxf6 34. a7 $11) 31... Bxd6 32. Bxd6 Ne4 (32... Rxa5 33. Rac1 Ne4 34. Bxc5 Ne5
$1 35. fxe5 Raxc5 36. Rxc5 Rxc5 37. Rb1 Nd2 38. Rb2 Nf3+ 39. Kf2 Nxe5 $17) 33.
Bxc5 Rxa5 34. Rac1 {It was somewhat better to retreat with a bishop to a3, but
White has played the whole struggle with the plan of doubling rooks.} (34. Ba3
Rca8 35. Rxc6 Rxa3 36. Rc7+ Kf6 37. Rac1 Ra1 38. b4 Rxc1 39. Rxc1 Ra3 40. b5
Rb3 $17) 34... Rb8 $2 {A painful let-down by a great player, since the best
solution in the position was of a clearly tactical nature. White would have
suffered after the witty move of the knight 34...Ne5!} (34... Ne5 $1 35. fxe5 (
35. b4 Nf3+ 36. Kh1 Ra3 $17) 35... Raxc5 36. Rxc5 Rxc5 37. Rb1 Ng5 $17) 35. Bd6
(35. b4 Nxb4 36. Bxb4 Rxb4 37. Rc7+ Kf6 38. Rxh7 Nc5 $15) 35... Nxd6 36. Rxc6
Ne8 (36... Ne4 37. Rc7+ Kf6 38. R1c6 Ra1 39. Rxh7 Nd2 40. Rcc7 Rxf1+ 41. Kg2
Rg8 42. Rh6+ Rg6 43. Rhh7 $11) 37. Rb1 Rb4 38. Ra6 $1 {White got seriously
lucky at the critical moment, as his position was truly inferior.} Rxa6 39.
Bxa6 Nd6 40. Bd3 Kf6 (40... e5 41. fxe5 Ne4 42. Rb2 Ke6 43. Bxe4 fxe4 44. Kf1
Kxe5 45. Kf2 h6 46. Ke2 $11) 41. Kf2 {The worst is over as Black will find it
difficult to make any progress.} e5 42. fxe5+ Kxe5 43. Ke2 $11 Ne4 44. Bxe4
Kxe4 45. Kf2 h6 (45... Kd3 46. Rd1+ Ke4 47. Rb1) 46. Ke2 {The opening ideas
with Qd3 might be played more often in the future, even though Black seems to
be holding on just fine.} 1/2-1/2

[Event "Tilburg"]
[Site "Tilburg"]
[Date "1990.09.08"]
[Round "2"]
[White "Gelfand, Boris"]
[Black "Timman, Jan H"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "2680"]
[BlackElo "2660"]
[Annotator "Ftacnik,L"]
[PlyCount "94"]
[EventDate "1990.09.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "NED"]
[EventCategory "16"]
[SourceTitle "CBM 020"]
[Source "ChessBase"]
[SourceDate "1991.02.01"]
[SourceVersion "1"]
[SourceVersionDate "1991.02.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. Nc3 Nbd7 7. O-O dxc4 8. e4
c6 9. a4 e5 $5 10. dxe5 Ng4 11. Bf4 Qa5 12. e6 (12. Qd4 Rd8 13. Qxc4 Ngxe5)
12... fxe6 13. Qe2 (13. Bd6 Bxd6 14. Qxd6 Nde5 15. Nxe5 Nxe5 16. Rab1 Rd8 17.
Qe7 Ng6 $10 {Sosonko,G-Van der Wiel,J/Wijk aan Zee/1987/ ->CBM 02}) 13... Nge5
14. Nd4 $1 (14. Nxe5 Nxe5 15. Bxe5 Qxe5 16. Qxc4 Qc5 17. Qxc5 Bxc5 18. e5 Bd4
19. Rae1 Bd7 $10) 14... Nb6 15. Bd2 (15. Bh3 Nd3 16. Nxe6 Rf6 17. Bg5 Bxe6 18.
Bxf6 Bxh3 19. Bxe7 Bxf1 $10) 15... Bb4 16. Nc2 c5 17. Qh5 (17. Nxb4 cxb4 18.
Na2 c3 $1 19. bxc3 b3) 17... Nc6 $1 (17... Nd3 18. Nxb4 Qxb4 $14) 18. Ne3 $5 (
18. e5 Rf5 19. Qe8+ Rf8 20. Qh5 Rf5 $10) 18... Bd7 19. e5 Be8 20. Qh3 Nd4 $1
21. Be4 (21. Bxb7 Rd8 22. Be4 Bg6 23. Bxg6 hxg6 24. Kh1 $1 Qa6 $1 $13 (24...
Nb3 25. Ne4 $1 Nxd2 26. Ng5 $40)) 21... Bg6 22. Bxg6 hxg6 23. Kh1 (23. f4 $5
Bxc3 24. Bxc3 Ne2+ 25. Kh1 Nxc3 26. Qxe6+ Rf7 27. f5 $1 $40) 23... Rae8 (23...
Rf7) (23... Rad8 $5) 24. Qg4 (24. f4 $1 Nb3 $6 25. Ne4 Bxd2 26. Ng5) 24... Nd7
$1 (24... Nb3 25. Qxg6 Nxd2 26. Ng4 $132) 25. Nxc4 $2 (25. Qe4 $1 $13) 25...
Qa6 $1 26. Ne3 Bxc3 27. Bxc3 Qc6+ 28. Ng2 Nxe5 29. Qd1 Nef3 30. Rc1 Qd5 31.
Bxd4 cxd4 32. Qd3 Ne5 (32... Rf5 $1 $19) 33. Qb5 Qxb5 34. axb5 Nd3 35. Rc2 e5
36. Ne1 Nb4 37. Rc4 Nd5 38. Kg2 Rc8 39. Rxc8 Rxc8 40. Nf3 Rc2 41. Re1 Ne3+ 42.
Kg1 Ng4 43. h3 Nxf2 44. Rxe5 Nxh3+ 45. Kh1 d3 46. Rd5 Rxb2 47. g4 Kf7 {Ftacnik,
L} 0-1

[Event "Olympiad-36"]
[Site "Mallorca"]
[Date "2004.10.18"]
[Round "4"]
[White "Gelfand, Boris"]
[Black "Georgiev, Kiril"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2693"]
[BlackElo "2625"]
[Annotator "Ftacnik,L"]
[PlyCount "49"]
[EventDate "2004.10.15"]
[EventType "team-swiss"]
[EventRounds "14"]
[EventCountry "ESP"]
[SourceTitle "CBM 104"]
[Source "ChessBase"]
[SourceDate "2005.01.27"]
[SourceVersion "1"]
[SourceVersionDate "2005.01.27"]
[SourceQuality "1"]
[WhiteTeam "Israel"]
[BlackTeam "Bulgaria"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "BUL"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 O-O 7. O-O c6 8. Bf4
Nbd7 9. Nc3 dxc4 10. e4 a5 {White's pawn sacrifice is not without venom. Black
is torn between protection of the extra material and the aim to complete his
development.} 11. Re1 Re8 (11... b5 12. d5 $36) 12. d5 cxd5 (12... exd5 13.
exd5 cxd5 14. Nxd5 Nxd5 15. Qxd5 Qb6 16. Ng5 $14) 13. exd5 Nc5 14. Ne5 (14. d6
Bf8 15. Bf1 Nh5 (15... Qb6 16. Qd4 Rd8 17. Rad1 Qxb2 18. Rb1 Qc2 19. Rec1 Qf5
20. Nh4 Qh5 21. Be2 e5 22. Qxc5 Bxd6 23. Rd1 $18) 16. Bg5 Qxd6 17. Nd2 $11)
14... exd5 (14... Ra6 $5 15. Nxc4 exd5 16. Nxd5 Nxd5 17. Qxd5 Be6 $11) 15. Nxd5
Nxd5 $2 (15... Be6 $1 16. Nxe7+ Rxe7 17. Bg5 Nd3 $11) 16. Nxf7 $3 {[%mdl 128]
Very nice attacking idea, Black king will have to advance in front of his pawn
shield.} (16. Bxd5 Be6 17. Bxe6 Nxe6 18. Qh5 g6 19. Qf3 Nd4 $15) 16... Kxf7 (
16... Nxf4 17. Nxd8 Rxd8 18. Qc2 (18. Rxe7 $2 Rxd1+ 19. Rxd1 Kf8 $1 $19) 18...
Nfe6 19. Qxc4 Rd4 20. Qc2 $14) 17. Bxd5+ Kg6 (17... Be6 18. Qh5+ Kg8 (18... g6
19. Qxh7+ Kf6 20. Be5+ $18) (18... Kf8 19. Rxe6 $18) 19. Rxe6 Nxe6 20. Bxe6+
Kh8 21. Bf5 $18) (17... Kf6 18. Qh5 g6 19. Be5#) 18. Re5 $1 Bf5 (18... h6 19.
Qh5+ Kh7 20. Bf7 Ra6 (20... Rf8 21. Qg6+ Kh8 22. Bxh6 $18) 21. Bxe8 Nd3 22. Rd1
$16) 19. Rxf5 $1 {Gelfand plays with youthful energy, Georgiev has no choice
but to expose his monarch even more.} Kxf5 20. Qh5+ Bg5 (20... Kf6 21. Be5# (
21. Qg5#)) (20... g5 21. Qxh7+ Kg4 22. h3# (22. f3#)) 21. Qxh7+ Kf6 (21... g6
22. Qh3+ Kf6 23. Bxg5+ Kxg5 24. Qh4+ Kf5 25. Qf4#) 22. Bxg5+ Kxg5 23. Bf7 {
It is quite symptomatic, that Black could have been mated after 23.f4+.} (23.
f4+ Kf6 24. Qh4+ Kg6 (24... Kf5 25. Qh5+ g5 26. Qh7+ Kg4 27. h3+ Kxg3 28. Qf5
$18) 25. f5+ Kxf5 26. Qf4+ Kg6 27. Bf7+ Kh7 28. Qf5+ $18) 23... Qd6 (23... Kf6
24. Qg6+ Ke7 25. Re1+ Kd7 26. Rxe8 $18) 24. Qxg7+ Kf5 25. Bxe8 1-0

[Event "Interpolis"]
[Site "Tilburg"]
[Date "1992.10.08"]
[Round "1.1"]
[White "Kortschnoj, Viktor Lvovich"]
[Black "Kuijf, Marinus"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "2575"]
[BlackElo "2420"]
[Annotator "Ftacnik,L"]
[PlyCount "44"]
[EventDate "1992.10.08"]
[EventType "k.o."]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 032"]
[Source "ChessBase"]
[SourceDate "1993.02.01"]
[SourceVersion "1"]
[SourceVersionDate "1993.02.01"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. d4 Nf6 4. Nc3 e6 5. g3 Be7 6. Bg2 O-O 7. O-O Nbd7 8. b3
b6 9. Nd2 Bb7 (9... Ba6 10. e4 Rc8 11. Bb2 dxe4 12. Ncxe4 b5 13. c5 Nxe4 14.
Nxe4 Nf6 15. Nxf6+ Bxf6 16. Qd2 Rc7 17. Qa5 Qc8 18. Rfd1 Rd7 19. Bf1 Qb7 20.
Rd2 Rb8 21. Rad1 Qc8 22. d5 Rxd5 23. Bxf6 gxf6 24. Bg2 b4 25. Bxd5 cxd5 26. Rd4
$40 {Speelman,J-Lein/Hastings/1981/}) 10. e4 Bb4 $5 $146 (10... Rc8 11. Re1 Nb8
12. e5 Ne8 13. Qg4 Na6 14. Nf3 Nb4 15. Rd1 Nc2 16. Rb1 Na3 {0,5/Gelfand,
B-Gurevich,M/Manila izt/1990/}) 11. Bb2 c5 12. exd5 cxd4 (12... exd5 13. a3
cxd4 14. axb4 dxc3 15. Bxc3 $14) 13. Nb5 exd5 (13... e5 14. f4 Ng4 15. Qxg4
Bxd2 16. fxe5 Be3+ 17. Kh1 Nxe5 18. Qe2 $16) 14. Nxd4 Re8 15. cxd5 Nxd5 (15...
Bxd5 $2 16. Nc6 Bxc6 17. Bxc6 Rc8 18. Bxf6 $18) 16. Nf5 N7f6 (16... Qg5 17.
Nxg7 Bxd2 18. h4 Qh6 19. Nxe8 Rxe8 20. Qg4+ $18) 17. Nxg7 $5 (17. Nc4 Bc3 $5 (
17... Bf8 18. Bxf6) 18. Nfd6 Bxb2 19. Nxb7 Qd7 20. Nxb2 Qxb7 $13) 17... Kxg7
18. Bxd5 Qxd5 19. Qg4+ Kh6 $8 (19... Kf8 20. Qxb4+ Kg8 21. f3 $16) 20. Qf4+ Kg7
(20... Qg5 21. Qxb4 $16) 21. Qg4+ $1 (21. Qxf6+ $2 Kf8 22. Qh6+ Ke7 23. Qh4+
Kd7 $19) 21... Kh6 22. Qf4+ Kg7 1/2-1/2

[Event "St Stefan/Belgrade m"]
[Site "Belgrade"]
[Date "1992.??.??"]
[Round "15"]
[White "Fischer, Robert James"]
[Black "Spassky, Boris Vasilievich"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "2785"]
[BlackElo "2560"]
[Annotator "Ftacnik,L"]
[PlyCount "66"]
[EventDate "1992.09.??"]
[EventType "match"]
[EventRounds "30"]
[EventCountry "YUG"]
[SourceTitle "CBM 031"]
[Source "ChessBase"]
[SourceDate "1992.12.01"]
[SourceVersion "1"]
[SourceVersionDate "1992.12.01"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 Nbd7 7. Nbd2 (7. Qc2
c6 8. b3 b6 9. Rd1) 7... b6 $5 8. cxd5 exd5 9. Ne5 Bb7 10. Ndf3 (10. Ndc4 $5
Ne4 (10... Nxe5 11. Nxe5 $14) 11. Qc2 Nxe5 12. Nxe5 Bd6 (12... c5 $5) 13. Bf4
Re8 14. Rfd1 Qe7 15. Nd3 Bxf4 16. Nxf4 Qd6 17. Rac1 Re7 18. Nd3 $36 {
Kirov-Padevski/Bulgaria ch/1977/}) 10... Ne4 (10... Nxe5 11. Nxe5 (11. dxe5 Ne4
$1) 11... Nd7 $5) 11. Bf4 Ndf6 (11... c5) 12. Rc1 c5 13. dxc5 bxc5 14. Ng5 $1
Nxg5 $6 (14... h6 15. Nxe4 Nxe4 16. Bxe4 dxe4 17. Nd7 Re8 18. Nxc5 $14) (14...
Rc8 15. Bh3 Ra8 16. Ngxf7 $1 Rxf7 17. Be6) (14... Qa5 $5 15. Nxe4 dxe4 16. a3
$14) 15. Bxg5 Ne4 (15... h6 $6 16. Bxf6 Bxf6 17. Ng4 $16) 16. Bxe7 Qxe7 17.
Bxe4 (17. Nd3 $5) 17... dxe4 $1 (17... Qxe5 18. Bf3 Rac8 (18... Qxb2 $4 19. Rb1
$18) 19. Qa4 a6 20. Qa3 Qe7 21. Rc2 Rc7 22. Rfc1 Rfc8 $2 23. Bg4 $1) 18. Nc4 e3
$5 19. f3 (19. Nxe3 $2 Qe4 $19) 19... Rad8 20. Qb3 Rfe8 21. Rc3 Bd5 22. Rfc1 (
22. Rxe3 Bxc4 23. Rxe7 Bxb3 24. Rxe8+ Rxe8 25. axb3 Rxe2 $10) (22. Qa3 Bxc4 23.
Rxc4 Rd2 24. Re4 Qd8) 22... g6 23. Qa3 $2 (23. Rxe3 Bxc4 24. Rxe7 Bxb3 25.
Rxe8+ Rxe8 26. axb3 Rxe2 $10) (23. Qa4 $1 Bxc4 (23... Bxf3 $2 24. exf3 e2 25.
Re3 $18) (23... Qb7 24. Nxe3 Qxb2 25. Nxd5 Rxe2 26. Nf4 $1 (26. R3c2 $2 Rxc2
27. Rxc2 Qb1+ 28. Kg2 Rxd5 $19) 26... Rxh2 27. R3c2 Rxc2 (27... Rd1+ 28. Kxh2)
28. Qxc2 $18) 24. Rxc4 Qb7 (24... Rd2 $2 25. Re4 $18) 25. b3 Re7 (25... Re5 26.
Rxc5 Rxc5 27. Rxc5 Rd2 28. Qe8+ Kg7 29. Qxe3 $18) 26. Rxc5 Rd2 27. Kf1 $16)
23... Bxf3 $1 (23... Bxc4 24. Rxc4 Rd2 25. Re4 Qd7 26. Rxe8+ Qxe8 27. Rxc5 Rxe2
28. Qc3 Rc2 (28... Rd2 29. Rc8 Rd8 30. Rxd8 Qxd8 31. Qxe3 $16) 29. Qxc2 e2 30.
Rc8 e1=Q+ 31. Kg2 $16) (23... Bxc4 24. Rxc4 Rd2 25. Re4 Qd8 26. Rxe8+ Qxe8 27.
Kf1 $14) 24. exf3 (24. Rxe3 Be4) 24... e2 25. Re1 (25. Re3 Rd1+ 26. Kf2 e1=Q+
$19) 25... Rd1 26. Kf2 Rxe1 27. Kxe1 Qd7 $1 28. Qb3 Qh3 29. Ne3 (29. Nd2 Qxh2
30. Re3 (30. Ne4 $2 Qg2 $19) 30... Qxg3+ 31. Kxe2 Qg2+ 32. Ke1 Qg3+ 33. Ke2
Qg2+ $10) 29... Qxh2 (29... Rxe3 $2 30. Rxe3 Qf1+ 31. Kd2 $18) 30. g4 (30. Qc2
Qxg3+ 31. Kxe2 Qg2+ $10) (30. Qa4 Qxg3+ 31. Kxe2 Qg2+ 32. Kd3 Rd8+ 33. Kc4 Qxf3
$40) (30. Qd5 Qxg3+ 31. Kxe2 Qg2+ 32. Kd3 Qxb2 $40) 30... Rb8 $1 31. Qd5 (31.
Qc2 Rxb2 $1 32. Qxb2 Qg1+ 33. Kxe2 Qh2+ 34. Kd3 Qxb2 $19) 31... Rxb2 (31...
Qg1+ 32. Kxe2 Rxb2+ 33. Rc2 Qh2+ 34. Kd3 c4+ 35. Kc3 $18) 32. Qd8+ Kg7 33. Nf5+
$1 gxf5 1/2-1/2

[Event "Dortmund op-A"]
[Site "Dortmund"]
[Date "1992.??.??"]
[Round "4"]
[White "Sher, Miron Naumovich"]
[Black "Steckner, Johannes"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2475"]
[BlackElo "2315"]
[Annotator "Ftacnik,L"]
[PlyCount "49"]
[EventDate "1992.04.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "GER"]
[SourceTitle "CBM 029"]
[Source "ChessBase"]
[SourceDate "1992.08.01"]
[SourceVersion "1"]
[SourceVersionDate "1992.08.01"]
[SourceQuality "1"]

1. c4 {Anand} e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 Nbd7 7. Nc3
dxc4 8. e4 c6 9. a4 e5 10. dxe5 Ng4 11. Bf4 Qa5 12. e6 (12. Qd4 Rd8 13. Qxc4
Ngxe5 14. Nxe5 Nxe5 15. Qb3 b6 {0,5/Ninov,K-Dimitrov,V/Stara Zagora zt/1990/})
12... Nde5 $6 {N} (12... fxe6 13. Bd6 (13. Qe2 Nge5 14. Nd4 Nb6 15. Bd2 Bb4 $13
{Gelfand,B-Timman,J/Tilburg/1990/}) 13... Bxd6 14. Qxd6 Nde5 15. Nxe5 Nxe5 16.
Rab1 Rd8 17. Qe7 Ng6 18. Qa3 e5 19. b4 Qc7 $13 {Sosonko,G-Van der Wiel,J/Wijk/
1987/}) (12... fxe6 {Anand Gelfand,B-Timman,J Tilburg 1990}) 13. Nxe5 Nxe5 14.
Nd5 $5 (14. exf7+ Rxf7 15. Qd4 Bf6 (15... Nd3 16. Qxc4 Nxf4 17. gxf4 Qb4 $13)
16. Bxe5 Qxe5 17. Qxc4 Be6 $44) 14... cxd5 (14... Bd6 15. e7 Re8 16. Nf6+ gxf6
17. Qxd6 $16) 15. Bxe5 Bxe6 (15... dxe4 16. Bc3 Qf5 17. Qd4 (17. exf7+ {Anand}
Qxf7 (17... Rxf7 18. Qe2 $16) 18. Bxe4 $16) 17... Bf6 18. exf7+ Rxf7 19. Qxc4
$16) (15... fxe6 16. exd5 Rd8 17. Qg4 Bf8 18. Qxc4 $16) 16. exd5 Rfd8 (16...
Bf5 17. Qd4 f6 18. d6 Qxe5 19. Qxe5 fxe5 20. dxe7 Rfe8 21. Bxb7 Rab8 22. Bd5+
Kh8 23. Bxc4 Rxb2 24. Rfd1 $16) 17. Bc3 Bb4 (17... Qc5 18. Bd4 Qd6 19. dxe6
Qxd4 20. exf7+ Kxf7 21. Qh5+ Kg8 22. Bxb7 Rab8 23. Rad1 Qxb2 24. Bd5+ Kh8 25.
Be4 $18) 18. Bxb4 Qxb4 19. Qd4 Rd7 $2 (19... Qa5 20. Rfd1 $16) 20. b3 $1 Rc8 (
20... Qxb3 21. Rfb1 Qc2 22. Be4 Qe2 23. Rxb7 (23. Qe5 $1 {Anand} Bg4 24. Re1
$18) 23... Rxb7 24. dxe6 Rbb8 25. exf7+ Kxf7 26. Bxa8 $18) 21. bxc4 Rxc4 22.
Qe5 Qa5 (22... Bg4 23. h3 Bh5 24. Qe8+ $18) 23. Qe2 Rxa4 24. dxe6 (24. Rxa4 {
Anand} Qxa4 25. dxe6 $18) 24... Re7 (24... Rxa1 25. exd7 $18) 25. Qc2 $1 {
Ftacnik,L} 1-0

[Event "IBM"]
[Site "Amsterdam"]
[Date "1976.??.??"]
[Round "4"]
[White "Miles, Anthony John"]
[Black "Kurajica, Bojan"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2510"]
[BlackElo "2525"]
[Annotator "Gagarin,V"]
[PlyCount "77"]
[EventDate "1976.07.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "NED"]
[EventCategory "11"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Nc3 Nbd7 8. b3
b6 9. Bb2 Ba6 10. Qd3 (10. Re1) (10. a4 $5) (10. Nd2 {/\ e4/}) 10... Rc8 11.
Rac1 $6 (11. Rfd1 $1 c5 12. Nb5 (12. dxc5 $6 bxc5 $1 $132 {/\ Qb6/} (12... dxc4
$2 13. bxc4 Rxc5 14. Nb5 $16 {Portisch,F-Opl,K/Vienna/1986/1:0/48/})) 12...
Bxb5 13. cxb5 Ne8 (13... Ne4 $6 14. Ne5 $1 Nxe5 15. dxe5 f5 16. exf6 Bxf6 17.
Bxe4 Bxb2 $8 18. Bxh7+ Kh8 19. Rab1 $16 {Polugaevsky,L-Wedberg,Th/Haninge/1989/
1:0/55/}) 14. e4 $1 c4 15. bxc4 dxe4 16. Qxe4 Nd6 17. Qe2 Nxc4 18. Bc1 $14 {
Ilic,Z-Ciric,D/Bern/1990/1:0/39/}) 11... Ne8 $5 (11... Qc7 $6 12. e4 dxe4 13.
Nxe4 $14 {Donner,J-Capelan/Berlin/1971/}) (11... c5 $1 12. Nb5 Bxb5 13. cxb5
Ne4 $10) 12. Nb1 (12. Rfd1 $142) 12... Nd6 $5 (12... c5 $10) 13. Nbd2 f5 14.
Ba3 Ne4 (14... c5 $5 $13) 15. Bxe7 Qxe7 16. e3 e5 $5 (16... c5 $13) 17. dxe5
Nxe5 18. Nxe5 Qxe5 19. Rfd1 Qe7 20. Qc2 Rce8 $1 {>< e3/} (20... Nxd2 21. Rxd2
dxc4 22. bxc4 $14 {>< Ba6, >< f5/}) 21. Nxe4 $1 (21. cxd5 $4 Nxf2 $1 $19) 21...
dxe4 22. Rd2 (22. c5 $6 Bd3 $13) 22... Rd8 23. Rcd1 c5 $10 24. Qc3 Bb7 25. Bf1
Rxd2 (25... Bc6 26. Rxd8 Rxd8 27. Rxd8+ Qxd8 28. Qe5 Qd7 29. a3 $14) 26. Qxd2
h5 (26... Bc6 $5 27. Qd6 Qxd6 28. Rxd6 Bb7 29. Rd7 Rf7 $10) 27. Be2 g6 28. a4
Kg7 29. a5 $1 Rf7 (29... Bc6 $5 $10) 30. Kf1 Qf6 $6 31. b4 $1 $14 Bc8 (31...
Bc6 $5 32. axb6 (32. b5 Rd7 33. Qe1 Rxd1 34. Bxd1 Bb7 35. a6 Bc8 36. Qd2 $10)
32... axb6 33. bxc5 bxc5 34. Qa5 $14 {>< c5/}) 32. axb6 axb6 33. bxc5 bxc5 34.
Qa5 $14 {>< c5/} Qc6 35. Rd5 Rc7 36. Kg2 (36. Qc3+ Qf6 $14) 36... Bd7 37. Bd1 (
37. f4 $5 Kf7 38. Bd1 Rc8 39. Qa7 Rc7 40. Qb8 Rc8 41. Qe5 Re8 $14) 37... h4 $4
(37... Rc8 $14) 38. Ba4 $1 $18 Qb7 39. Qxc7 $1 1-0

[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1995.01.??"]
[Round "2"]
[White "Nikolic, Predrag"]
[Black "Seirawan, Yasser"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2655"]
[BlackElo "2585"]
[Annotator "Hansen,LB"]
[PlyCount "121"]
[EventDate "1995.01.??"]
[EventType "k.o."]
[EventRounds "5"]
[EventCountry "NED"]
[SourceTitle "CBM 045"]
[Source "ChessBase"]
[SourceDate "1995.04.01"]
[SourceVersion "1"]
[SourceVersionDate "1995.04.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 (4... Be7 5. Bg2 c6 6. O-O d5 7. Nc3 Bb7
8. b3 O-O 9. Ne5 (9. Bb2 Nbd7 10. Rc1 Rc8 11. Ne5 Nxe5 12. dxe5 Ng4 13. e4 Nxe5
14. exd5 cxd5 15. Nxd5 $1 $14 {Hort,V-Antoshin/Luhacovice/1971/}) 9... Nbd7 10.
Bf4 Nxe5 11. Bxe5 Rc8 12. Qd3 Nd7 13. Bf4 c5 14. cxd5 cxd4 15. Nb5 e5 16. d6
Nc5 17. dxe7 Qxe7 18. Qf5 Bxg2 19. Kxg2 exf4 20. Nxd4 fxg3 21. hxg3 Ne6 22.
Nxe6 Qxe6 23. Qxe6 fxe6 24. Rac1 Kf7 25. Kf3 Kf6 26. a4 h5 27. Rh1 {1/2-1/2/
Ehlvest,J-Tiviakov,S/Moscow/1992/}) 5. Bg2 c6 $5 {A solid line.White maintains
a slight plus,but not more.} 6. O-O d5 7. b3 Nbd7 8. Bb2 Be7 9. Nc3 O-O 10. e3
Rc8 11. Qe2 (11. Rc1 Rc7 $5 12. Qe2 Qb8 13. Rfd1 Rd8 14. Ne1 Rcc8 15. Nd3 h6
16. Nf4 Bd6 17. Nd3 a6 18. e4 dxe4 19. Nxe4 Nxe4 20. Qxe4 Be7 21. Re1 Bf6 22.
c5 $14 {Nikolic,P-Seirawan,Y/Wijk 15` 1995}) 11... Qc7 12. Rfd1 (12. Rac1 Qb8
13. e4 (13. Rfd1 Rfd8 14. e4 Nxe4 15. Nxe4 dxe4 16. Nd2 c5 (16... f5 $2 17. f3
$16) 17. Nxe4 Bxe4 18. Qxe4 Bf6 19. Qe3 a5 20. h3 h6 21. Rc2 cxd4 22. Bxd4 Bxd4
23. Rxd4 Kf8 24. Rcd2 Ke7 25. Qc3 Nf6 26. Rxd8 Rxd8 27. c5 Rxd2 28. Qxd2 Qc7
29. cxb6 Qxb6 30. Qc3 $14 {Nikolic,P-Seirawan,Y/Wijk 15` 1995}) 13... Nxe4 14.
Nxe4 dxe4 15. Nd2 c5 16. Nxe4 Bxe4 17. Qxe4 Bf6 18. Rfd1 Rfd8 19. Qe3 a5 20.
Rc2 cxd4 21. Bxd4 Bxd4 22. Rxd4 Nf6 23. Rcd2 $14 {Nikolic,P-Seirawan,Y/Wijk
30` 1995}) 12... Rfd8 13. Rac1 Qb8 14. e4 dxe4 (14... Nxe4) 15. Ng5 $1 c5 16.
Ncxe4 Nxe4 17. Nxe4 Bxe4 $1 18. Bxe4 (18. Qxe4 $1 Bf6 19. Qe3) 18... Bf6 19.
Bg2 a5 20. Qe3 h6 21. h4 Qc7 22. Rc2 cxd4 23. Bxd4 Bxd4 24. Rxd4 Kf8 25. Rcd2
$14 Nf6 26. Rxd8+ Rxd8 27. Rxd8+ Qxd8 28. c5 $1 bxc5 29. Qxc5+ Kg8 30. Bf3 Qd2
31. a3 Nd7 32. Qc8+ Kh7 33. Kg2 Ne5 34. Be4+ g6 35. h5 $1 $14 Kg7 36. hxg6 Nxg6
37. Qc5 Nf8 38. Bc6 Ng6 39. Be4 Nf8 40. Qe5+ Kg8 41. Bf3 Nd7 42. Qc7 Nf6 43.
Qb8+ Kg7 44. Qe5 Kg6 45. Qc5 {^ b4} Nd5 $1 $8 46. Bxd5 exd5 47. b4 axb4 48.
axb4 d4 49. b5 d3 50. Qd6+ $1 f6 $2 (50... Kg7 $1 51. Qd4+ (51. b6 Qb2 $10)
51... Kg8 $1 52. b6 (52. Qd8+ Kg7 53. b6 Qb2 $10) 52... Qc2 $1 53. Qe4 (53. b7
$2 Qc6+ $10) (53. Qd5 d2 54. b7 Qc7 $1 $10) 53... Qb2 $1 54. b7 (54. Qg4+ Kf8
55. Qc8+ Kg7 56. b7 d2 $10) 54... d2 $10) 51. Qd5 $1 {X Kg6} Qe2 52. Qg8+ Kf5
53. Qc4 $1 Qc2 (53... Qe4+ 54. Qxe4+ Kxe4 55. Kf1 $1 Kd4 56. Ke1 Kc5 57. Kd2
Kxb5 58. Kxd3 Kc5 (58... h5 59. Ke4 Kc4 60. f4 $1 $18) 59. Ke4 Kd6 60. Kf5 Ke7
61. Kg6 $18) 54. Qd5+ Kg6 55. b6 Qb1 (55... d2 56. Qg8+ Kh5 57. Kh3 $1 $18) 56.
b7 d2 57. Qg8+ Kh5 $8 58. Qf7+ Kg5 59. f4+ Kg4 60. Qe6+ $1 Kh5 $8 61. b8=Q $1 (
61. b8=Q $1 Qxb8 (61... Qg1+ 62. Kxg1 d1=Q+ 63. Kf2 $18) 62. Qf5#) 1-0

[Event "Bad Lauterberg Bohemia"]
[Site "Bad Lauterberg"]
[Date "1991.11.05"]
[Round "1"]
[White "Romanishin, Oleg M"]
[Black "Hertneck, Gerald"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2600"]
[BlackElo "2555"]
[Annotator "Hertneck,G"]
[PlyCount "139"]
[EventDate "1991.11.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[EventCategory "10"]
[SourceTitle "CBM 027"]
[Source "ChessBase"]
[SourceDate "1992.04.01"]
[SourceVersion "1"]
[SourceVersionDate "1992.04.01"]
[SourceQuality "1"]

1. d4 {Kortschnoj} Nf6 2. Nf3 d5 3. c4 c6 4. Qb3 e6 (4... dxc4 {Kortschnoj} 5.
Qxc4 Bf5) 5. g3 Nbd7 6. Bg2 Be7 7. O-O O-O 8. Bf4 Qb6 $6 (8... b6) (8... b6 {
Kortschnoj /\ ...Bb7}) 9. Qc2 $1 c5 10. dxc5 Qxc5 (10... Bxc5 {Kortschnoj} 11.
Nc3 $14) (10... Nxc5 {Kortschnoj} 11. Be3 $14) 11. Na3 {+/- >< Bc8} b6 (11...
d4 {Kortschnoj} 12. e3 $14) (11... Qa5 $5 {Kortschnoj}) 12. Be3 Qc7 13. Nb5
Qxc4 (13... Qd8 {Kortschnoj} 14. Bf4 $16) 14. Qxc4 dxc4 15. Nfd4 Nd5 16. Bxd5
exd5 17. Nc7 Bb7 18. Nf5 $1 (18. Nxa8 Rxa8 19. Nf5 Bf8 $44) 18... Bb4 (18...
Bf6 19. Nxa8 Rxa8 20. Bd4 {+/- >< d4}) 19. Nxa8 Rxa8 20. Bd4 f6 21. Rfd1 Bf8 (
21... Kf7 $2 22. e4 dxe4 23. Bc3 $18) 22. Ne3 Kf7 23. b3 b5 24. a4 a6 25. axb5
axb5 26. Rxa8 Bxa8 27. Ra1 Bc6 28. Ra6 Nb8 29. Ra7+ Ke6 30. f4 cxb3 31. f5+ Kd6
32. Ra3 {+/=/+/-} Bd7 33. Rxb3 Nc6 $2 34. Rxb5 $18 Nxd4 35. Rxd5+ Kc6 36. Rxd4
Bc5 37. Rd3 Bxf5 38. Rc3 Be4 39. Kf1 f5 40. Nc4 Bd5 41. Ne5+ Kd6 42. Nd3 Bd4
43. Ra3 Bb7 44. Ra5 g6 45. Ra4 Be3 46. Rh4 h5 47. Rb4 Bc6 48. Nf4 g5 (48... Be8
{Kortschnoj} 49. Rb8 Bf7 50. Rb7 Be8 51. Rg7 Bd4 52. Rxg6+ $16) 49. Nxh5 Ke5
50. h4 f4 51. hxg5 fxg3 52. Nxg3 Bxg5 53. Rb6 Kd5 54. Kf2 Bh4 55. Rb4 Be7 56.
Re4 Bd6 57. Rh4 Ke5 58. e3 Bf8 59. Rh8 Ba3 60. Rh5+ Ke6 61. Rh6+ Kd5 62. e4+
Kc5 63. Kf3 Bb2 64. Rh2 Be5 65. Rh5 Kd6 66. Nf5+ Ke6 67. Rh6+ Kd7 68. Ne3 Ba4
69. Nc4 Bd1+ 70. Ke3 1-0

[Event "Interpolis-02"]
[Site "Tilburg"]
[Date "1978.09.12"]
[Round "9"]
[White "Huebner, Robert"]
[Black "Spassky, Boris Vasilievich"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2595"]
[BlackElo "2630"]
[Annotator "Huebner,R"]
[PlyCount "109"]
[EventDate "1978.09.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "14"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. d4 c6 7. Nc3 Nbd7 8. b3
b6 9. Ne5 $2 (9. Bb2 Ba6 (9... Bb7 10. Ne5 $14) 10. Nd2 {/\ e4}) 9... Nxe5 10.
dxe5 Nd7 11. Bb2 (11. f4 Bc5+ $6 (11... Ba6 12. Be3 Rc8 13. cxd5 cxd5 14. Rc1
Bc5 15. Bxc5 (15. Qd2 d4 16. Bxd4 Nxe5 17. Rfd1 Ng4 18. e3 (18. Bxc5 Qxd2 19.
Rxd2 Rxc5 20. Rd7 Rfc8 21. Rxa7 Rxc3 22. Rxc3 Rxc3 23. Ra8+ Rc8 24. Rxa6 Rc1+
25. Bf1 h5 {/\ Ne3 -+}) 18... Bxd4 19. exd4 Qe7 $15) (15. Bd4 Rc7 (15... f6 16.
exf6 (16. Bh3 Re8 17. Bxc5 Rxc5 (17... bxc5 $2 18. Nxd5) 18. exf6 (18. b4 Rc4
19. Nxd5 $2 Rxc1 20. Qxc1 exd5) 18... Qxf6 19. Qd2 Rec8 20. Na4 Rxc1 21. Rxc1
Rxc1+ 22. Qxc1 $10 {;} Bxe2 $2 23. Qe3 Qa1+ 24. Kf2) 16... Qxf6 $15) 16. Bf3
Qb8 17. Na4 Bxd4+ 18. Qxd4 Rfc8 19. Qd2 $10) 15... bxc5 $15) (11... f6 $2 12.
cxd5 cxd5 13. Nxd5) 12. Kh1 Ba6 13. Na4 Be7 14. Be3) 11... Ba6 (11... Nxe5 $2
12. cxd5 cxd5 13. Nxd5 $1 exd5 14. Bxe5 $16) 12. cxd5 cxd5 13. Rc1 (13. Qd4 Bc5
(13... b5 14. a3 Nc5 15. Qd1 Rc8 16. Na2 {/\ Nc1-b4/c1-d3}) (13... Qb8 14. Rfd1
Bc5 15. Qf4 Qxe5 16. Qxe5 Nxe5 17. Nxd5 exd5 18. Bxe5 Rae8 (18... Rfe8 19. Rxd5
Bb7 20. Rxc5) 19. Bd4 Bxd4 (19... Bxe2 20. Bxc5) 20. Rxd4 Bxe2 $10) 14. Qa4 Bb7
15. Rad1 Nxe5 $2 (15... Qc7 16. e4 Bc6 17. Nb5 Qb7 18. exd5 exd5 19. Qg4 Bxb5 (
19... h5 20. Qg5 Bxb5 21. Bxd5 {/\ e5-e6}) 20. Bxd5 Qc7 (20... Bc6 $2 21. e6)
21. Bxa8 Rxa8 22. e6 Ne5 23. Qe4 Nc6 24. Rd7 $18) (15... a6 16. Nb1 {/\
Nb1-d2-f3}) 16. Nxd5 exd5 17. Bxe5 Re8 (17... Qe7 18. Bxd5) 18. Ba1 Rxe2 $2 19.
Qg4) 13... Rc8 (13... b5 14. Nb1 Qb8 (14... Qa5 15. Nd2 Qxa2 $2 16. Bd4 Qa5 17.
Ra1 Qb4 18. Bb2 $18) 15. f4 $14) (13... Qb8 14. f4 Rc8 15. Qd2) (13... Bb4 14.
a3 Bc5 15. b4 Be7 16. b5 Bb7 17. e4 Nxe5 (17... d4 18. Ne2 Nxe5 19. Nxd4) 18.
Nxd5 exd5 19. Bxe5 dxe4 (19... Bxa3 20. Rc7 $16) 20. Rc7 {e.g.} Rb8 (20... Bd5
21. Rxe7 Qxe7 22. Qxd5 Rad8 23. Qxe4 Rfe8 24. Re1) 21. Rd7) 14. Qd4 (14. Re1 $5
{(/\ e2-e4)} Nc5 15. Qd4) 14... b5 $6 (14... Bc5 $5 15. Qa4 Bb7 16. Qxa7 $2 (
16. b4 Bd4 17. Rfd1 (17. Qxa7 Bc6 18. Qa3 Nxe5 {/\ ...Na4-/+})) (16. Qf4 g5 17.
Qd2 Nxe5 18. Nxd5 Bxd5 19. Bxe5 (19. Bxd5 Ng6 $19) 19... Bxg2 20. Qxd8 Rfxd8
21. Kxg2 Rd2 $17) (16. e4 Nxe5 {(/\ Nd3)} 17. Rcd1 (17. Rfd1 $2 Ng4) 17... Bc6
18. Qa6 d4 19. Ne2 Qe8 20. a4 f5 21. Bxd4 (21. exf5 Bxg2 22. Kxg2 Qc6+ 23. f3
Rxf5 $19) 21... Bxd4 22. Rxd4 fxe4 23. Qxa7 (23. Bxe4 Nf3+ 24. Bxf3 Bxf3 $19)
23... e3 24. Qxb6 Nf3+ 25. Bxf3 Bxf3 $19) (16. Nb1 $1 {/\ Nd2-f3}) 16... Bc6 {
/\ 17...Ra8 -+}) (14... Nc5 15. Rfd1) (14... Bb7 $5) 15. Qxa7 Ra8 $6 (15... Nc5
$142 $1 {(/\ 16...Ra8)} 16. Nxd5 exd5 17. Rxc5 Bxc5 (17... Ra8 $2 18. Qc7 Bxc5
19. Qxc5 $16) (17... Rxc5 18. Qxa6 Rc2 (18... Qd7 $5) 19. Bd4) 18. Qxa6 Qb6 (
18... Qd7 19. a4 $13) 19. Qxb6 Bxb6 20. Bxd5 $10 {e.g.} Rc2 (20... Rfd8 21. e4)
21. Ba3 Rd8 22. e4 (22. Bd6 Rxe2 23. a4 bxa4 24. bxa4 Rc8 $17 {Xf2}) 22... Rxa2
23. Bd6 $13 Rc8 $2 24. e6 $18) 16. Qe3 Qb8 (16... b4 17. Na4 (17. Nb1 Bb5 $17)
(17. Nd1 Bb5 18. Ra1 Bc5 19. Qd2 Qb8 $17) (17. Nxd5 exd5 18. Bxd5 Rc8 (18...
Nb6 19. Bxa8 Nxa8 20. e6 {(/\ 21.Rfd1, 22.Rd7)} Qb6 (20... Qa5 21. Qa7) 21.
Qxb6 Nxb6 22. Rc6 Rb8 23. Bd4 Bd8 24. e7 $18) (18... Qa5 19. Bxa8 Rxa8 20. e6
Nf6 (20... Nf8 $2 21. Qf3 $18) 21. Rfd1 {(/\ 22.exf7+ Kxf7 23.Bxf6, 24.Rd7)}) (
18... Qb6 19. Bd4 Qb5 20. Bxa8 Rxa8 21. e6 Nf6 22. Rc7 Bd6 (22... Re8 23. exf7+
Kxf7 24. Bc5 Qxe2 (24... Nd5 $2 25. Qf3+ Ke6 26. Qe4+) 25. Qxe2 Bxe2 26. Re1
Nd5 27. Rxe7+ $18) 23. exf7+ Kf8 (23... Kh8 24. Bxf6 gxf6 (24... Bxc7 25. Qh6
$18) 25. Qh6 Qf5 26. Ra7 $18) 24. Bxf6 Bxc7 (24... gxf6 25. Qh6#) 25. Qe7#) 19.
e6 Nf6 (19... fxe6 $2 20. Qxe6+ Kh8 21. Qxa6) 20. exf7+ Rxf7 (20... Kh8 21. Be6
Rxc1 22. Rxc1 $16) 21. Bxf6 Qxd5 (21... Bxf6 22. Bxf7+ Kxf7 23. Qa7+ $18) (
21... gxf6 22. Qe6 Qf8 23. Qxa6 $18) 22. Rxc8+ Bxc8 23. Bxe7 Bb7 24. f3 $18)
17... Bb5 $17) (16... Bc5 17. Qd2 b4 18. Na4 Be7 19. Rfd1 Bb5 20. e4 $16) (
16... Qa5 17. Nxd5 exd5 18. Bxd5 Qxa2 (18... Rad8 19. e6 Nf6 20. exf7+ Kh8 21.
Qxe7 Nxd5 22. Qa7 $18 {e.g.} Ra8 23. Qd4 Nf6 24. Qxf6) (18... Nb6 19. Bxa8 Rxa8
20. e6 f6 21. Rfd1) 19. Bxa8 Qxb2 (19... Rxa8 20. e6 Nf6 (20... Qxb2 21. exd7
Qf6 22. Rfd1 h6 (22... Rd8 23. Rc6 Qxc6 24. Qxe7 Qa8 25. Ra1 Rf8 26. Rxa6 Qxa6
27. Qxf8+ Kxf8 28. d8=Q#) (22... Bf8 23. Ra1 {/\ Rxa6 (23...Rd8 24.Qa7+-)}) 23.
Rc6 Qxc6 24. Qxe7 Bb7 25. d8=Q+ Rxd8 26. Rxd8+ Kh7 27. f3 $18) 21. exf7+ Kxf7
22. Rc7 Re8 23. Bxf6 gxf6 24. Ra7 $18) 20. Qa7 Bc8 21. Bc6 Rd8 22. Rcd1 $18) (
16... Bb7 17. a4 bxa4 18. Nxa4) 17. Rfd1 (17. Nxd5 $5 exd5 18. Bxd5 Bb7 19.
Bxf7+ Kh8 (19... Rxf7 20. e6 Rxf2 21. Rxf2 Nf6 $132 {e.g.} 22. Be5 (22. Bxf6
gxf6 (22... Bxf6 23. e7 Qe8 (23... Bd5 24. Rd1) 24. Qe6+ Kh8 25. Rxf6 gxf6 26.
Qxf6+ Kg8 27. Rc5) 23. Rf4 Kh8 24. Rg4 Qf8 25. Rc7 Rxa2) 22... Ng4) 20. e6 (20.
Be6 Rxa2 21. Rc2 (21. Bd4 Rd8 22. Bxd7 Rxd7 23. e6 Rd5 $13) 21... Rxb2 22. Rxb2
Nxe5 $13) 20... Nf6) 17... Ra7 $2 (17... b4 18. Nxd5 exd5 19. Bxd5 Bb7 (19...
Ra7 20. e6 Nf6 21. exf7+ Kh8 (21... Rxf7 22. Bxf7+ Kxf7 23. Rc6 {e.g.} Bc8 24.
Rxc8) 22. Be5 Nxd5 23. Qd4 Bf6 24. Bxb8 Bxd4 25. Bxa7 Bxa7 26. Rxd5 $18) (19...
Nb6 20. Bxa8 Nxa8 21. Rd7 Re8 22. e6 Nb6 (22... f6 23. Bd4 $18) 23. exf7+ Kxf7
24. Qf3+ Kg8 25. Qg4 g6 26. Qd4 $18) 20. Bxf7+ Rxf7 21. e6 Rxf2 (21... Nf6 22.
exf7+ Kxf7 23. Be5 Qa7 24. Qxa7 Rxa7 25. Rc7 $18) 22. Qxf2 Nf6 23. Rd7 $18) 18.
Nb1 b4 19. Bd4 Ra8 20. Rc2 Bb5 21. f4 $2 $14 (21. Nd2 Ra3 22. Nf3 Qa8 23. Rdd2
{(/\ Nf3-e3-d3) e.g.} Nb8 (23... Rc8 24. Rxc8+ Qxc8 25. Rb2 Nb8 26. Qd2 Nc6 27.
Rc2 Qa6 28. e3 {/\ Nf3-e1, Bg1-f3-e2+/-}) 24. Bc5 $1) 21... Ra6 22. Qc1 {
(/\ 23.e4)} (22. f5 $2 Rc8 23. Rdc1 Rxc2 24. Rxc2 Qa8 25. f6 Bf8 $17) 22... Qa8
(22... Qb7 23. Rdd2 (23. Rc7 Qa8 $17 {XPa2}) 23... Rfa8 (23... Bd8 24. a4) (
23... Qa8 24. Qe1 {/\ 25.e4}) 24. Rc7 Qb8 25. Rdc2) 23. Qb2 Nb8 24. Bf2 (24.
Bf1 Nc6 25. e3 Nxd4 26. exd4 Bxf1 {(/\ 27...f6<=>)}) 24... Nc6 25. Bf1 {
(/\ Nd2-f3)} (25. Nd2 $2 Bxe2) (25. e4 $2 d4 {e.g.} 26. Bxd4 $2 (26. Bf1 Bxf1
27. Kxf1 Rd8) 26... Rd8 27. Kh1 Nxd4 28. Rxd4 Rxd4 29. Qxd4 Rxa2) 25... Qb7 (
25... f6 26. Nd2 fxe5 27. fxe5 Qb8 28. Nf3 Rf5 $2 29. Bh3) 26. Nd2 Rfa8 27. Nf3
(27. Qb1 Bd8 28. Nf3 Bb6 29. Nd4 (29. e3 $2 Na7 {/\ Nb5-a3/c3}) 29... Nxd4 30.
Bxd4 Bxd4+ 31. Rxd4 Qb6 (31... Qa7 32. e3 Bxf1 33. Kxf1 Rxa2 34. Rxa2 Qxa2 35.
Qxa2 Rxa2 36. Rxb4 h5 $10) 32. e3 Bxf1 33. Kxf1 g6) 27... g6 $2 (27... Rxa2 28.
Qxa2 Rxa2 29. Rxa2 g6 (29... Bd8 30. e4 (30. Rda1 g6 31. Nd4 Nxd4 32. Bxd4 Bb6)
) 30. Ne1 (30. Nd4 Bc5 $132) 30... Bd8 31. Nd3 Bb6 (31... Bxd3 32. Rxd3 (32.
exd3 Na5 33. Rb2 Qc8 34. Be1) 32... Bb6 33. e3 Na5 34. Rc2 Qa7 {/\ Na5-b7-c5=})
32. Nc5 Qe7 33. Rc1 (33. Ra8+ Kg7 34. Nxe6+ $2 fxe6 35. Bxb6 Qb7 $19) 33... Na5
34. Bg2 {(/\ 35.e4)} Nb7 35. Nd3 Bxf2+ 36. Nxf2 Qd8 37. Ng4 h5 (37... Qb6+ 38.
Kh1 h5 39. Rc8+ Kg7 40. Raa8 $18) 38. Nf6+ Kg7 39. Bf3 Na5 40. Rb2 $16 {e.g.}
Qb6+ 41. Kg2 Qe3 42. Rc8 Nxb3 43. Rg8+ Kh6 44. g4 Qxf4 45. h4 hxg4 46. Nxg4+
Kh7 47. Nf6+ Kh6 48. Rxb3 $18) 28. Ne1 (28. Nd4 Nxd4 29. Bxd4 Bd8 {/\ 31...Bb6
+/=/=}) 28... Bd8 29. Nd3 Bxd3 $2 (29... Bb6 30. Nc5 Qa7 31. Nxa6 (31. Rdd2 Ra5
32. Qc1 Rc8 33. e4 (33. Nd3 Rd8 34. Rxc6 $2 Bxf2+ 35. Nxf2 Bxc6 36. Qxc6 Rc5
$19) 33... Bxf1 34. Kxf1 Nxe5 (34... Bxc5 $2 35. Bxc5 Qa6+ 36. Kg2 dxe4 37.
Bxb4 $18) 35. fxe5 Bxc5 36. exd5 exd5 37. Rxd5 Qa6+ 38. Rc4 Bxf2 39. Rxa5 Rxc4
40. Rxa6 Rxc1+ 41. Kxf2 Rc2+ $10) (31. e4 Bxf1 32. Nxa6 Bxf2+ 33. Kxf1 Bd4 $19)
31... Bxf2+ 32. Kg2 Nd4 (32... Be3 $19 {e.g.} 33. Nc5 Bxc5 34. Rdc1 (34. Qc1
Be3) 34... Bd4) 33. Nxb4 (33. Rc7 Qb6 34. Kxf2 Nf5+ (34... Nc2+ $2 35. Nc5 Na3
36. Rb7 Qxc5+ 37. Qd4 Qc6 38. Ra7 $18) (34... Bxa6 $2 35. Qxd4 Qxc7 36. Qxb4
$18) (34... Nxe2+ 35. Kf3 Bxa6 36. Rc2 Nc3 37. Ra1 Bxf1 38. Rxf1 Rxa2 $10) 35.
Ke1 Bxa6 36. Rcc1 Qg1 $19) 33... Nf5 $17 {e.g.} 34. Rc3 (34. Qc1 Bg1) 34... Bd4
) 30. exd3 Bb6 (30... Na7 {(/\ Na7-b5-c3)} 31. Bc5 {(/\ 32.d4)} (31. d4 Ra5 32.
Qc1 Rc8 33. Qd2 Nc6 $2 34. a4) 31... Be7 32. d4 Ra5 33. Bxe7 Qxe7 34. Rdc1 Nb5
35. Rc8+ Rxc8 36. Rxc8+ Kg7 37. Rb8 (37. Rc5 Qb7 38. Qf2 $2 Nxd4 39. Qxd4 Qa7)
37... Nc3 38. a4 $18) 31. d4 $16 Ra5 32. Qc1 Ne7 (32... Rxa2 33. Rxc6 Ra1 34.
Qxa1 Rxa1 35. Rxb6 Qxb6 36. Rxa1 Qc6 37. Rd1 {/\ 38.Rd3 +-}) (32... Na7 33. Be1
Bd8 34. a4 $18) (32... Rc8 33. Qd2 {/\ 34.Rdc1+/-}) 33. Qd2 Bd8 34. Rdc1 $2 (
34. Be1 $142 {e.g.} Nc6 35. Kh1 (35. Rdc1 $2 Nxd4) 35... Bb6 (35... Qb6 36.
Rdc1 {/\} Nxd4 37. Bf2) 36. Bf2 Bd8 37. Rdc1 Ne7 38. g4 {/\ Bf2-h4-f6} (38. Be1
Qa7 39. Ra1 (39. Qxb4 Rxa2) 39... Bb6 40. Bf2 Nf5)) (34. g4 $5) 34... Qa7 (
34... R8a7 35. g4 Qa8 36. Qxb4 Rxa2 37. Bb5 {(/\ 38.Ba4)} Rxc2 38. Rxc2 Ra1+
39. Kg2 Rb1 40. Qa4 (40. Ba4 Qa6) 40... Qb8 41. Qa2 Rd1 42. Be2) 35. Ra1 (35.
Qxb4 Rxa2 36. Rxa2 (36. Qd2 Ra3 37. b4 Bb6 38. g4 Ra4)) 35... Qb7 $2 (35... Ra3
$142 36. Qxb4 (36. Rb2 Bb6 37. Bb5 (37. Qxb4 Nc6) 37... Nf5 38. Ba4 Nxd4 (38...
Bxd4 39. Qxb4) 39. Qxb4 Bc5 40. Qc3 Ne2+ 41. Rxe2 Bxf2+ 42. Rxf2 Qxa4) 36...
Rb8 37. Qc3 Rbxb3 38. axb3 Rxa1 $132) 36. Kg2 (36. Kh1 R8a7 37. Be1 Nc6 (37...
Qa8 38. Qxb4 Rxa2 39. Rcxa2 Rxa2 40. Rxa2 Qxa2 41. Qd6 $18) 38. Rac1 Ne7 39.
Qxb4 Qxb4 40. Bxb4 Rxa2 41. Bc5 Rxc2 42. Rxc2 Ra1 43. Kg2 $18) 36... R8a7 37.
Be1 $2 (37. g4 $5) 37... Nc6 (37... Qa8 38. Qxb4 Rxa2 39. Rcxa2 Rxa2+ 40. Rxa2
Qxa2+ 41. Kg1 $18) 38. Rac1 Ne7 39. Qxb4 $2 (39. Bf2 Qa8 40. Qxb4 Rxa2 41. Bb5
$18 {e.g.} Rxc2 42. Rxc2 Rb7 43. Qa4 Qb8 44. Ba6 Rxb3 45. Qe8+ Kg7 46. g4 {
/\ 47.Bh4}) 39... Rxa2 40. Qxb7 Rxc2+ 41. Rxc2 Rxb7 42. b4 Bb6 43. Bf2 $2 (43.
Ba6 $142 Ra7 44. b5 {e.g.} Bxd4 45. Bb4 Bb6 (45... Kg7 46. Kf3 h5 (46... Nf5
47. g4) 47. Bd6 Nf5 48. Rc7 Ra8 $36) 46. Bxe7 Rxe7 47. Rc6 Bd4 48. b6 Re8 49.
b7 Ba7 50. Rc8 Rf8 (50... Kf8 $2 51. Bb5) 51. Kf3) 43... Ra7 (43... Nf5 44. g4
$1 Nxd4 45. Rc8+ Kg7 46. Bh4 $1 {/\ Bf6,Rg8+-}) 44. g4 Kg7 (44... Ra4 45. Bh4
Kf8 46. Bb5 Rxb4 $2 (46... Ra8 $142) 47. Ra2 Rxb5 48. Ra8+ Kg7 49. Bxe7 $18) (
44... Kf8 $5) 45. Bb5 f5 $2 (45... Ra3 46. Bc6 $5 (46. Bd7 $5) (46. Bh4 $5 Ng8
(46... Kf8 $5) 47. Be8 Ra8 $1 (47... Bxd4 $2 48. Rc7 Ra7 49. Rxa7 Bxa7 50. Bd8
$1) 48. Bc6 $5 (48. Bd7 Ra7 49. Bc8 {/\} Bxd4 $5 50. Bd8 $1))) 46. exf6+ Kxf6
47. Be8 {(/\ 48.Re2, 49.Bh4+)} Kg7 (47... Ra8 48. Bh4+ $1 Kg7 49. Bd7 Kf7 50.
Re2 $18) (47... g5 48. fxg5+ Kxg5 49. Re2 Kxg4 50. Rxe6 Rb7 51. Re5 {e.g.} Nf5
52. Rxd5 Nh4+ 53. Kf1 $18) 48. Re2 Bc7 (48... Kf8 49. Rxe6) 49. Rxe6 Bxf4 (
49... Kf8 50. Bc6 (50. Bd7 Bxf4 51. Rf6+ Kg7 52. Rxf4 Rxd7) (50. Bb5 Rb7) (50.
f5 gxf5 51. gxf5 Nxf5 (51... Kxe8 52. f6 Bd8 53. Bh4 $18) 52. Bh5 (52. Rf6+
Kxe8 53. Rxf5 Ra2 $13 {(/\ 54...Rb2)} 54. Rxd5 Bxh2)) 50... Bxf4 51. b5 Kf7 52.
Re2 Ra3 53. Bd7 Rb3) 50. b5 Ng8 (50... Kf8 51. Ra6 Rxa6 52. bxa6 Kxe8 $2 53. a7
$18) 51. Ra6 Re7 $2 (51... Rc7 52. Bc6 (52. b6 Rc2 53. Ra5 (53. b7 Rb2 54. Bc6
Ne7) 53... Be3 54. b7 Rxf2+ 55. Kg3 Rb2 56. Rb5 Rxb5 57. Bxb5 g5 58. b8=Q Bf4+
59. Qxf4 gxf4+ 60. Kxf4) 52... Ne7 53. Bg3 Bxg3 54. Kxg3 g5 55. Kf3 Kf7 56. Ke3
Nxc6 57. Rxc6 Rxc6 58. bxc6 Ke6 59. Kd3 Kd6 60. Kc3 Kxc6 61. Kb4 Kb6 $10) 52.
Bc6 Nf6 53. b6 Ne4 (53... Nxg4 54. Bg3 $18) 54. Be1 $1 Bb8 (54... Nc5 55. Ra7
$18) 55. Ra8 1-0

[Event "Sarajevo Bosnia 28th"]
[Site "Sarajevo"]
[Date "1998.06.02"]
[Round "5"]
[White "Kortschnoj, Viktor Lvovich"]
[Black "Lputian, Smbat G"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2625"]
[BlackElo "2610"]
[Annotator "Kortschnoj,V"]
[PlyCount "125"]
[EventDate "1998.05.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BIH"]
[EventCategory "15"]
[SourceTitle "CBM 066"]
[Source "ChessBase"]
[SourceDate "1998.09.30"]
[SourceVersion "1"]
[SourceVersionDate "1998.09.30"]
[SourceQuality "1"]

1. d4 {Hecht Ribli} d5 2. c4 e6 3. Nf3 Nf6 4. g3 c6 {Ribli: Eine seltene
Fortsetzung, die zur geschlossenen Variante führt.} 5. Bg2 Nbd7 6. O-O Be7 {
Ribli: Heutzutage ist die Variante 6...Bd6 populär. Schwarz spielt später 7...
0-0 / 8...Qe7 mit fester Stellung.} (6... dxc4 7. Qc2 b5 8. b3 $44) 7. b3 b6 {
Ribli: Es ist für mich etwas ungewöhnlich, daß Schwarz noch nicht rochiert,
sondern zuerst den Damenflügel entwickelt.} (7... b5 8. c5 $14) 8. Nc3 (8. Qc2
{Ribli}) 8... Ba6 {Ribli: Es ist ein normales Prinzip dieser Variante, daß
Schwarz im Falle von Nbd2 den Läufer nach b7 und in unserem Fall (Nc3) nach a6
stellt.} 9. Bb2 O-O (9... dxc4 $6 10. bxc4 Bxc4 $2 11. Nd2 $16 (11. Nd2 {Ribli}
Ba6 (11... Bd5 12. e4 $18 {[%csl Rd5]}) 12. Bxc6 Rc8 13. Qa4 $18 {[%csl Ra6]}))
10. Nd2 {Ribli: Die Stellung ist für Kortschnoj ist nicht neu, in einer
früherer Partie spielte er 10.a4.} (10. a4 {Ribli} dxc4 $5 11. bxc4 Bxc4 12.
Nd2 Ba6 13. Bxc6 Rc8 14. Bg2 Nb8 $5 15. Nb5 Qd7 16. Qb1 $5 Bxb5 $5 17. axb5
Qxb5 18. Rxa7 Qxe2 19. Bc1 $1 Nc6 20. Bxc6 Rxc6 21. Rxe7 Rfc8 $1 $44 {1-0
Kortchnoi,V-Nogueiras,J/Moscow (ol) 1994 (32)}) 10... b5 {Ribli: Meines
Erachtens ist dieser Zug nicht gut. Schwarz spielt zu aggressiv am Damenflügel,
während sein Läufer auf a6 schlecht steht.} (10... Rc8 {Ribli} 11. e4 dxe4 (
11... dxc4 12. Nxc4 b5 13. Ne3 c5 14. d5 b4 15. Ne2 Nb6 16. Re1 exd5 17. exd5
c4 18. bxc4 Bxc4 19. Nd4 Qd7 20. Nc6 {1-0 Zaitshik,G-Ubilava,E/USSR 1979 (40)})
(11... c5 12. exd5 cxd4 13. dxe6 fxe6 14. Nce4 Nc5 15. Nxc5 bxc5 16. Qe2 Qb6
17. Rae1 {1-0 Wendt,J-Voigt,M/Hamburg-chI 1998 (35)}) 12. Ncxe4 c5 13. dxc5
Nxc5 14. Nxf6+ Bxf6 15. Bxf6 Qxf6 16. b4 Rcd8 17. bxc5 Bxc4 18. Re1 bxc5 19.
Qc2 {1-0 Sosonko,G-Schrama,P/NLD-chT 1995}) (10... Qc7 {Ribli}) 11. cxb5 (11.
c5 b4 $13 (11... e5 {Ribli} 12. dxe5 Ng4 13. b4 Ngxe5 14. Qc2 f5 15. Rad1 Bb7
16. Nb3 Nc4 17. Nd4 Qc8 18. Bc1 Nde5 19. Bh3 g6 20. e4 dxe4 21. Nxe4 a5 22. a3
Rd8 23. Qe2 Re8 24. Nc3 Bf6 25. Qc2 Qc7 26. Bg2 Rad8 27. Nde2 {1/2-1/2 Hartoch,
R-Stehouwer,C/NLD-ch 1981})) (11. e4 {Ribli} bxc4 12. bxc4 Rb8 13. Rb1 Nb6 14.
e5 Ne8 15. c5 Nc4 16. Nxc4 Bxc4 17. Re1 Qa5 18. Qc2 Nc7 19. Ra1 Rb7 20. Re3
Rfb8 {1/2-1/2 Danielsen,H-Dizdar,G/Manila olm 1992}) 11... cxb5 (11... Bxb5 $5)
12. a3 $14 {Ribli: Weiß verhindert schwarzen Raumgewinn am Damenflügel, denn
jetzt scheitert 12...b4 an 13.axb4 (der Läufer auf a6 hängt) und bereitet
seinerseits b3-b4 vor.} Rc8 13. b4 $1 $14 (13. Na2 {Ribli} Bb7 14. Nf3 Qb6 15.
Ne1 a5 16. b4 Ne4 17. Nd3 Nd6 18. Nc5 Bc6 19. Bc3 a4 20. Nc1 Nc4 21. N1d3 Nf6
22. Qc2 Rfd8 23. Nb2 Ne8 24. Nxc4 dxc4 25. e4 {1-0 Tatai,S-Hemmassi,N/Siegen
olm 1970 (41)}) 13... Nb6 14. Nb3 Nc4 15. Bc1 (15. Qb1 {Ribli} Rc7 16. Rd1 Rd7
17. Bc1 Qc8 18. Qd3 h6 19. Ra2 Rfd8 20. h4 Qc6 21. Re1 Bb7 22. Rc2 a6 23. Nb1
Qb6 24. N1d2 a5 25. Nc5 Bxc5 26. bxc5 Qc7 27. Nf3 Bc6 28. Bf4 Qb7 29. Ne5 {
Mertens,N-Atlas,D/Liechtenstein op 1993/1-0 (65)}) 15... Nd7 (15... Nxa3 $4 {
Ribli} 16. Rxa3 Rxc3 17. Rxa6 $18) 16. Ra2 (16. Nc5 Nxc5 17. bxc5 $14 (17. dxc5
Bf6 $13)) 16... Bb7 $5 {Ribli: Die Kompensation, die Schwarz für dieses
Bauernopfer erlangt, scheint mir zu wenig zu sein.} (16... f5 17. Rc2 Bf6 18.
e3 Z0 19. Nc5 Nxc5 20. dxc5 $16) (16... Ndb6 {Ribli} 17. Nc5 {[%csl Ra6]} Bxc5
18. dxc5 Nd7 19. a4 $16 {[%csl Ra6]}) 17. Nxb5 a6 18. Nc3 Nxa3 19. Nxd5 {
Ribli: Ein wichtiger Zwischenzug, der einen Bauern gewinnt.} (19. Bxa3 {Ribli}
Rxc3 20. Nc5) 19... Bxd5 20. Bxa3 Nb6 $44 (20... Qb6 {Ribli} 21. Bxd5 (21. Nc5
Bxa2 22. Nxd7 {[%cal Rd7b6,Rd7f8]}) 21... exd5 22. Nc5) 21. Bxd5 Qxd5 (21...
Nxd5 22. Qd2 $14) (21... exd5 {Ribli} 22. Nc5 $16 {[%csl Ra6]}) 22. Qd3 {
Ribli: Weiß hat einen Bauern mehr, aber Schwarz hat eine aktive Stellung und
die weißen Felder in der weißen Stellung sind schwach.} Nc4 (22... Qc4 23. Qxc4
Rxc4 24. e3 $14) 23. Bc1 Bxb4 (23... Qb5 $5 24. Nc5 Rfd8 $44) 24. Rxa6 {
Ribli: Der weiße Materialvorteil ist nicht leicht zu verwerten, denn es gibt
keinen Freibauern.} Rfd8 25. Ra4 $1 Be7 (25... Qb5 $6 26. Nc5 $1 Rb8 (26...
Rxc5 $2 27. dxc5 $18) (26... Bxc5 27. Rxc4 $16) 27. Rxb4 Qxb4 28. Na6 $16) (
25... Qb7 26. Bg5 Nb2 27. Qa6 $16) 26. Nd2 $1 {Ribli: Weiß muß die stärkste
schwarze Figur, den Nc4, tauschen.} Nxd2 (26... Qxd4 $4 {Ribli} 27. Rxc4 Rxc4
28. Nxc4 $18 (28. Qxc4 $18)) 27. Bxd2 Qc6 {Ribli: Schwarz entfaltet noch
aktives Figurenspiel, aber so langsam kann sich Weiß daran machen, seinen
Materialvorteil zu verwerten.} 28. Rfa1 Qc2 29. Qxc2 Rxc2 30. Ba5 Rb8 31. e3
$14 {Ribli: Die 5:4-Mehrheit am Königsflügel bietet dem Weißen gute
Gewinnchancen, aber zunächst muß er sich gegen die gefährlichen schwarzen
Türme auf der 2. Reihe verteidigen.} g5 (31... h5 $5) (31... Rbb2 {Ribli} 32.
Be1 g5 {Das ist nur Zugumstellung.}) 32. Be1 Rbb2 33. g4 {Ribli: Es ist gegen
den schwarzfeldrigen Läufer notwendig, die Bauern auf "weiß" zu stellen.} Kg7
34. Kg2 Kg6 35. h3 Bf8 (35... h5 $2 36. gxh5+ Kxh5 37. Ra7 Bb4 38. Rxf7 $18)
36. Ra8 Bb4 $2 $138 (36... Kg7 $142 37. Kf3 Bb4 38. Rb8 Bxe1 39. Rxb2 Rxb2 40.
Rxe1 $14) 37. Rg8+ (37. Bxb4 {Ribli} Rxf2+ 38. Kg1 (38. Kg3 Rg2+ 39. Kf3 Rgf2+
40. Ke4 Rxb4 $11) 38... Rg2+ 39. Kf1 Rgf2+ 40. Ke1 (40. Kg1 $11) 40... Rh2 {
[%csl Gb2,Rb4,Re1,Gh2][%cal Rh2h1,Rh1e1]}) 37... Kf6 (37... Kh6 38. Bxb4 Rxf2+
(38... Rxb4 39. h4 gxh4 40. Rh1 $18) 39. Kg1 (39. Kg3 {Ribli} Rg2+ 40. Kf3
Rgf2+ 41. Ke4 Rxb4 42. h4 $18 {[%csl Rh6][%cal Rh4g5] und der schwarze König
befindet sich im Mattnetz.} gxh4 (42... f5+ 43. Kd3 {[%csl Rh6]}) 43. Rh1 {
[%csl Gg8,Gh1,Rh6][%cal Rh1h4]}) 39... Rg2+ 40. Kf1 $18) 38. e4 $16 {Ribli:
Ein unerwartetes Motiv. Es droht gelegentlich mal Matt.} Rc7 $8 (38... Bxe1 39.
e5+ Ke7 40. Ra7+ $18) (38... e5 39. Ra6+ Ke7 40. Bxb4+ Rxb4 41. Ra7+ Kd6 42.
Rd8+ Ke6 43. Re8+ $18) 39. e5+ Ke7 40. Rh8 $1 {Weiß hält die Spannung, möchte
zunächst einmal auf h7 nehmen.} (40. Bxb4+ {Ribli} Rxb4 41. Rxg5 Rxd4 $16)
40... Bxe1 (40... Rcc2 $2 {Ribli} 41. Bxb4+ {[%cal Rb4e7]} Rxb4 42. Ra7+ $18)
41. Rxe1 Rcc2 42. Rf1 Rd2 43. Rxh7 Rxd4 44. Rg7 {Ribli: Schwarz kann den
Bauern g5 nicht verteidigen.} Re4 45. Rxg5 Rbe2 (45... Rb5 {Ribli}) 46. Rg8 $1
{Ribli: Es scheint, daß nach erzwungenen Bauerntäuschen die Partie Remis endet,
da gerade in Doppelturmendspielen die Remisbreite sehr groß ist. Wegen der
schwachen schwarzen Königsstellung kann Weiß allerdings ein Turmpaar tauschen.}
Rxe5 47. Ra1 $1 Rd2 48. Ra7+ Rd7 49. Rxd7+ Kxd7 {[#] Hecht 3-2 Bauern am
Königsflügel mit einer sehr günstigen Bauernverteilung für Weiß. Zudem steht
der schwarze König ungünstig.} 50. h4 $18 {Ribli: Normalerweise ist das
Turmendspiel 3 bauern gegen 2 Bauern am Königsflügel remis, aber hier hat Weiß
natürlich besonders starke g- und h-Bauern. Speziell der h-Freibauer ist stark.
Angesichts des aktiven weißen Turmes und des passiven schwarzen Königs sollte
Weiß sehr gute Gewinnchancen haben.} f5 $8 (50... Ke7 {Hecht} 51. h5 f6 52. h6
Kf7 53. h7 $18) 51. g5 {Ribli: Die beiden verbundenen Freibauern machen klar
das Rennen.} Ke7 (51... Re4 52. h5 Rh4 53. h6 Ke7 54. Kg3 Rh1 55. Rg7+ Kf8 56.
Kf4 $18) 52. h5 Kf7 (52... f4 {Ribli} 53. h6 $18 (53. Kf3 $18 {[%csl Gf3]}))
53. Rg6 (53. Ra8 {Hecht} f4 54. g6+ Kg7 55. Ra7+ Kg8 56. Rh7 Rg5+ 57. Kf3 e5
58. Ke4 $18 {[%cal Re4d5,Rd5e6,Re6f6]}) 53... Re4 (53... f4 {Ribli} 54. Kf3 $18
{[%csl Gf3,Rf4]}) 54. Rf6+ Ke7 (54... Kg8 55. f3 Rh4 56. Kg3 Rxh5 57. Kf4 $18)
(54... Kg7 {Ribli} 55. h6+ Kh7 56. Rf7+ $16) 55. f3 {Ribli: Auf diese Weise
verteidigt sich Weiß gegen 55...Rg4.} Rh4 56. h6 f4 57. Rg6 Kf7 58. Rg7+ Kf8
59. Kf1 {Ribli: Schwarz befindet sich eigentlich in Zugzwang. Nach 59...Ke8
kommt 60.h7 mit sofortigem Gewinn, ansonsten spielt Weiß Kf1-e2-d3-e4.} (59.
Kf2 {Ribli} Rh2+ 60. Ke1 {ist nur Zugumstellung.}) 59... Rh2 60. Ke1 e5 (60...
Rh3 {Ribli} 61. Ke2 Rh2+ 62. Kd3 $18 {[%csl Gd3]}) 61. Kf1 Rh5 62. Ke2 Rh3 63.
Kd2 (63. Kd2 Rxf3 64. Ra7 (64. g6 {Ribli} Rh3 (64... Rg3 {Hecht} 65. Rf7+ Ke8
66. h7 Rxg6 67. Ra7 $1 $18 {[%cal Rh7h8,Ra7a8]}) 65. Rf7+ Ke8 66. h7 e4 67. g7)
64... Rh3 65. h7 e4 66. g6 $18) (63. Kd3 $6 {Ribli} Rxf3+) 1-0

[Event "Schuhplattler Veterans-Ladies"]
[Site "Munich"]
[Date "2000.07.05"]
[Round "2"]
[White "Kortschnoj, Viktor Lvovich"]
[Black "Polgar, Sofia"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2620"]
[BlackElo "2501"]
[Annotator "Kortschnoj,V"]
[PlyCount "75"]
[EventDate "2000.07.04"]
[EventType "schev"]
[EventRounds "10"]
[EventCountry "GER"]
[SourceTitle "CBM 078"]
[Source "ChessBase"]
[SourceDate "2000.10.18"]
[SourceVersion "1"]
[SourceVersionDate "2000.10.18"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. Qb3 e6 5. g3 Nbd7 6. Bg2 Be7 7. O-O O-O 8. Nc3
Qb6 $6 {Theoretical continuation is 8...b6 followed by 9...La6 with equal
chances.} 9. Rd1 Qxb3 10. axb3 b6 11. e4 $1 $14 Bb7 (11... dxe4 12. Ne5 Bb7 13.
Nxe4 Nxe5 14. dxe5 Nxe4 15. Bxe4 Rfd8 16. Rxd8+ Bxd8 17. b4 $16) 12. e5 (12.
Ne5 Nxe5 13. dxe5 Ng4 14. exd5 cxd5 15. h3 (15. cxd5 Bc5 16. Ne4 Bxd5 17. Nxc5
Bxg2 18. Kxg2 bxc5 19. Bf4 $14) 15... Nxe5 16. cxd5 Bc5 17. dxe6 Bxg2 18. Kxg2
fxe6 19. Ne4 $14) 12... Ne8 13. Bg5 Bxg5 (13... f6 14. exf6 gxf6 15. Bh6 Rf7
16. Bh3 $16) 14. Nxg5 h6 15. Nh3 Nc7 16. Nf4 a5 17. h4 Ba6 {In a similar
position albeit with queens at the board T. Petrosian played Na6 against me.
It is true, at this position after 17...Na6 18.cd cd 19.Nb5 would turn out to
be very unpleasant for black.} 18. Rac1 Rac8 $6 {Much stronger would be 18...
Rfc8! - the bishop a6 needs a protection!} 19. cxd5 cxd5 20. Rd2 $16 Nb5 (20...
Rfd8 21. Rdc2 Ne8 22. Bf1 $16) 21. Bf1 g5 (21... Nxc3 22. Bxa6 $18) 22. Bxb5 (
22. hxg5 hxg5 23. Nh3 Nxc3 $11 24. Bxa6 $4 Ne2+) 22... Bxb5 23. hxg5 hxg5 24.
Nh3 g4 25. Nf4 Rc6 26. Kg2 Rfc8 27. Rh1 Rxc3 (27... Ba6 28. Rh4 b5 29. Rxg4+
Kf8 30. b4 $1 axb4 31. Na2 b3 32. Nb4 Rc2 33. Rd1 Bb7 34. Nxc2 bxc2 35. Rc1 b4
36. b3 $18) 28. bxc3 Rxc3 29. Rh4 Bc6 $6 (29... Rxb3 30. Rxg4+ Kf8 31. Rc2 Bc4
32. Rc1 a4 33. Rh1 a3 34. Rh8+ Ke7 35. Rgg8 $18) 30. Ne2 Rxb3 31. Rc2 Nb8 32.
Rxg4+ Kf8 33. Rh4 Rb4 34. Rh8+ Ke7 35. Rxb8 Rc4 36. Rxc4 dxc4+ 37. d5 exd5 38.
Nd4 1-0

[Event "Petrov Memorial op"]
[Site "St Petersburg"]
[Date "2000.02.12"]
[Round "5"]
[White "Rashkovsky, Nukhim N"]
[Black "Frolov, Denis"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2523"]
[BlackElo "2428"]
[Annotator "Kortschnoj,V"]
[PlyCount "77"]
[EventDate "2000.02.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 076"]
[Source "ChessBase"]
[SourceDate "2000.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2000.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qb3 e6 5. g3 Nbd7 6. Bg2 Be7 7. O-O O-O 8. Nc3
b6 9. Bg5 {This move is not a novelty...} h6 (9... Bb7) 10. Bxf6 Bxf6 11. Qa4
$5 {... but the plan behind it is very original - nothing of this kind ever
has been played! A primary aim of this move is to prevent Ba6, just to force
the white-squared bishop to remain "a big pawn" on b7.} Bb7 12. Rad1 a6 13. Qc2
Qc7 ({Or} 13... dxc4 14. Ne4 b5 15. b3 {with excellent compensation for the
pawn.}) 14. e4 {White is fighting with an open visor! 14.b3 was a worth of
consideration.} dxc4 15. e5 Be7 16. Rfe1 b5 17. h4 Nb6 (17... c5 $6 18. d5 $14)
18. g4 c5 19. dxc5 Bxc5 20. Ne4 Bxe4 (20... Bb4 $5) 21. Qxe4 Rad8 22. g5 Rxd1
23. Rxd1 h5 $2 ({A natural} 23... Rd8 {would neutralize white's initiative
leaving white with a pawn down for some not too weighty compensation...}) 24.
g6 $1 {But now, all of sudden, white develops a tremendous assault!} fxg6 25.
Bh3 Qf7 26. Ng5 $1 $16 Qxf2+ ({Or} 26... Qe8 27. Bxe6+ Kh8 28. Bf7 Rxf7 29. Rd8
Rxf2 30. Rxe8+ Rf8+ 31. Kg2 Rxe8 32. Qxg6 $18) 27. Kh1 Rf5 {The only move to
prevent a killing Qxg6.} 28. Bxf5 gxf5 29. Rd8+ Bf8 30. Qd4 Qe1+ ({Or} 30...
Qf1+ 31. Qg1 Qe2 (31... Qf4 32. Rxf8+ Kxf8 33. Nxe6+ $18) 32. Qxb6 $18) 31. Kg2
Nd5 (31... Qe2+ 32. Qf2 Qg4+ 33. Kf1 Nd5 34. Nxe6) 32. Nxe6 $18 Qe2+ 33. Qf2
Ne3+ 34. Kg1 Qg4+ 35. Kh2 Nf1+ 36. Qxf1 Qxh4+ 37. Kg2 Qg4+ 38. Kf2 Qh4+ 39. Ke2
1-0

[Event "Linares 14th"]
[Site "Linares"]
[Date "1997.02.07"]
[Round "4"]
[White "Topalov, Veselin"]
[Black "Kramnik, Vladimir"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "2725"]
[BlackElo "2740"]
[Annotator "Kramnik,V"]
[PlyCount "66"]
[EventDate "1997.02.04"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ESP"]
[EventCategory "18"]
[SourceTitle "CBM 057"]
[Source "ChessBase"]
[SourceDate "1997.04.01"]
[SourceVersion "1"]
[SourceVersionDate "1997.04.01"]
[SourceQuality "1"]

{[%mdl 192]} 1. d4 {Petursson Psakhis} d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. g3 {
Psakhis: Rare move. It doesn't promise advantage to White} Nbd7 6. Bg2 dxc4 7.
a4 Be7 8. O-O O-O 9. e4 e5 10. dxe5 (10. Nxe5 $6 {Psakhis} Nxe5 11. dxe5 Ng4
$36) 10... Ng4 11. Bf4 Qa5 (11... g5 $5 {Psakhis} 12. Nxg5 Ndxe5 13. Qxd8 Rxd8
14. f3 (14. h3 $5 Bc5) 14... Bc5+ 15. Kh1 Ne3 16. Bxe5 Nxg2 17. Bf6 Rd3 18.
Kxg2 Rd2+ 19. Kh1 h6 $13 {Ristic,N-Maksimovic,B/YUG/1989/0:1/48/}) 12. e6 (12.
Qe2 {Psakhis} Ndxe5 13. Nxe5 Nxe5 14. Bxe5 Qxe5 15. Qxc4 Be6 $15) 12... fxe6 {
Psakhis: Difficult choice for White. Black got very comfortable positions if
White'll choose other moves. For instance} 13. Qe2 (13. Bh3 $6 {Psakhis} Nde5
14. Nd4 Rd8 15. Bxg4 $2 Nxg4 16. Nxc6 Qh5 $1 17. Nxe7+ Kf7 $19) (13. Bd6 {
Psakhis} Bxd6 14. Qxd6 Nde5 15. Nxe5 Nxe5 16. Rab1 Rd8 17. Qe7 Ng6 18. Qa3 e5
$15 {Sosonko,G-Van der Wiel,J/Wijk aan Zee/1987/0,5/30/}) (13. e5 {Psakhis} Nb6
14. Qe2 Nd5 15. Bd2 Qb6 16. Rab1 Bd7 17. Qxc4 Rxf3 18. Qxg4 Rf5 19. a5 Qb3 {
1/2-1/2 Wirthensohn,H-Schlosser,P/Graz zt 1993}) 13... Nge5 14. Nd4 (14. Nxe5 {
Psakhis} Nxe5 15. Bxe5 Qxe5 16. Qxc4 Qc5 $1 $15) 14... Nd3 $1 $146 {Psakhis: A
natural and strong move. Kramnik can be very happy with the result of his
opening. After 14 moves he is a pawn up and got a knight on d3. I am afraid,
White will not play this variation in the future.} (14... Nb6 15. Bd2 Bb4 16.
Nc2 c5 17. Qh5 $1 {Psakhis} Nc6 18. Ne3 $6 Bd7 19. e5 Be8 $13 {0-1 Gelfand,
B-Timman,J/Tilburg 50/525 1990 (47)}) (14... Nf6 $6 {Psakhis} 15. Bh3 $16) 15.
Nxe6 (15. Bd2 {Psakhis} Bb4 16. Nxe6 Re8 17. Nd4 Nxb2 $17) 15... Rf6 (15...
Nxf4 $6 16. gxf4 Rf6 17. f5) 16. Bc7 (16. Nc7 $2 Nxf4 (16... Rxf4 {Psakhis} 17.
Nxa8 Rf8 18. f4 N7c5 19. e5 Qd8 $17 {[%csl Ra8]}) 17. Qxc4+ Kh8 (17... Rf7 18.
Nxa8 Nxg2 19. Kxg2 Qh5 20. f4 $14) 18. Nxa8 Ne5 19. Qb3 Nxg2 20. Kxg2 Nf3 $40 {
/\ Bh3+}) (16. Ng5 N7e5 $13 (16... Rxf4 17. gxf4 Bxg5 18. fxg5 Qxg5 {/\ N7e5}
19. f4 $1 Nxf4 20. Rxf4 (20. Qxc4+ $6 Kh8 21. Rxf4 Qxf4 22. Rf1 Qe3+) 20...
Qxf4 21. Rf1 Qd6 22. Qxc4+ Kh8 23. Qf7 $36) (16... h6 $13)) (16. Nd4 $13) 16...
Qb4 17. Nd4 $2 (17. Ng5 Qxb2 18. Qxb2 Nxb2 19. f4 $44) (17. Nf4 $5) ({Psakhis:
Deserve attention} 17. Nf4 {Psakhis} Qxb2 (17... Bd6 18. Bxd6 Qxd6 19. Rad1
N7e5 $13) 18. Qxb2 Nxb2 19. e5 Rh6 20. Rab1 Nd3 21. Nxd3 cxd3 $15) 17... Bc5 $1
(17... Qxb2 18. Qxb2 Nxb2 19. f4 Bc5 20. Nce2 $44) 18. Nc2 {Psakhis: Topalov
decided to start hunt un blacks queen, and he almost succeded!} (18. Nf3 $5 {
Psakhis} Qxb2 19. Qxb2 Nxb2 20. e5 Re6 21. Ne4 Bb6) 18... Qxb2 19. Nd1 Qb3 20.
Nde3 N7e5 21. h3 {/\ Kh2, f2-f4} ({Psakhis: Unfortunately, doesn't work} 21.
Rfb1 {Psakhis because of} Rxf2 $1 22. Qxf2 (22. Qh5 Qxc2 23. Nxc2 Rf5+) 22...
Nxf2 23. Rxb3 cxb3 24. Kxf2 (24. Bxe5 Nh3+ (24... Ng4 25. Bd4 Bxd4 26. Nxd4
Nxe3 $19) 25. Kf1 bxc2 26. Nxc2 Bg4 $19) 24... Ng4+ 25. Ke2 bxc2 26. Nxc2 Nxh2
$19) 21... Be6 (21... Rf7 22. Bxe5 Nxe5 23. Kh2 $44) 22. Kh2 (22. Rab1 {Psakhis
} Rxf2 $1 23. Qxf2 Nxf2 24. Rxb3 cxb3 25. Kxf2 (25. Bxe5 Nd3 $19) 25... Rf8+
26. Ke2 Rxf1 27. Nxf1 (27. Bxf1 b2 $1 $19) 27... bxc2 28. Kd2 Nd3 $19) (22.
Rfb1 {Psakhis} Rxf2 23. Qxf2 Nxf2 24. Rxb3 cxb3 25. Kxf2 Nc4 26. Ke2 bxc2 $19)
22... Rh6 $5 23. Rab1 $2 (23. f4 Ng4+ 24. Nxg4 Bxg4 25. Qxg4 Qxc2 26. h4 $15) (
23. Rfb1 {Psakhis} Qc3 $1 (23... Bg4 $2 24. f3 Nxf3+ 25. Bxf3 Bxf3 (25... Bxh3
26. Bh5 $1) 26. Qxf3 Rf6 27. Qg2 (27. Qxf6 gxf6 28. Rxb3 cxb3 $17) (27. Bf4 Qc3
$44) 27... Rf2 28. Rxb3 cxb3 29. Ne1 $1 Bxe3 30. Nxd3 Rxg2+ 31. Kxg2 $16) 24.
f4 $5 (24. Rxb7 Bxe3 $1 25. Bxe5 (25. fxe3 Bg4 $1 26. Bxe5 Nxe5 27. Qf2 Rf8 $19
) 25... Nxe5 26. Ra3 (26. fxe3 Bg4 $19) 26... Qd3 $3 27. Rxd3 cxd3 28. Qd1 dxc2
29. Qxc2 Ng4+ 30. Kg1 Bxf2+ 31. Kh1 Rd8 $19) 24... Bxe3 $1 25. Nxe3 (25. Bxe5
Nxe5 26. fxe5 Bb6 27. a5 Bc7 $19) 25... Nxf4 $1 26. gxf4 Qxe3 27. Qxe3 Ng4+ 28.
Kg1 Nxe3 29. f5 Nxg2 30. Kxg2 $17) 23... Bg4 $1 $19 24. Nxg4 (24. Rxb3 $2 Bxe2)
(24. Qd2 $2 Rxh3+ 25. Kg1 (25. Bxh3 Nf3+ (25... Nf3+ {Psakhis} 26. Kh1 (26. Kg2
{Petursson} Nxd2 27. Rxb3 Bxh3+ 28. Kxh3 cxb3 $19) 26... Nxd2 27. Rxb3 cxb3 $19
)) 25... Nf3+ 26. Bxf3 Bxf3 27. Ng2 Bxf2+ 28. Qxf2 Rh1+ 29. Kxh1 Nxf2+) (24. f3
Nxf3+ 25. Bxf3 (25. Kh1 Bxh3 26. Bxh3 Rxh3+ 27. Kg2 Rh2+ 28. Kxf3 Rf8+ $19) (
25. Rxf3 Qxb1) 25... Bxh3 26. Ng2 (26. Bh5 Bxf1 27. Rxf1 g6 $19) (26. Qd1 Bxf1+
27. Kg1 Bxe3+ 28. Nxe3 Qxd1 29. Rxd1 Bh3 $19) 26... Qc3 $1 $19 {/\} (26... Bg4+
27. Nh4 Bxf3 28. Qd2 $1 (28. Qd2 $1 Qa2 29. Ra1 Qb2 30. Rxf3 Be7 $17)) 27. Rxb7
(27. Nce3 {Psakhis} Qd4 28. Bh5 g6 29. g4 (29. Nc2 Qg7 30. Rxb7 Bc8 $19) 29...
Bxg2 30. Nxg2 Bd6+ 31. Bxd6 Qxd6+ 32. Kh1 gxh5 $19) 27... Bc8+ $19) 24... Nxg4+
25. Qxg4 (25. Kg1 {Psakhis} Ndxf2 $1 (25... Ndxf2 $1 {Petursson} 26. Rxb3 Nxh3+
27. Kh1 Nf4+ 28. Bh3 Rxh3+ 29. Qh2 Rxh2#)) 25... Qxc2 {Suddenly Black is
winning!} 26. Qg5 (26. Rxb7 Nxf2 27. Z0 (27. Qd7 {Psakhis} Rxh3+ $1 28. Qxh3 (
28. Bxh3 Ng4+) (28. Kg1 Rh1+ $1 29. Bxh1 Nh3#) 28... Nxh3 29. Be5 Nf2 30. Rxg7+
Kf8 31. Rxh7 Re8 $19) 27... Rxh3+ 28. Bxh3 Nxg4+) (26. Qd1 {Petursson White's
best try is to go for a very gloomy ending:} Qxd1 27. Rfxd1 b6 $17) 26... Nxf2
27. Rxf2 (27. Qxc5 Rxh3+ $1 28. Kg1 (28. Bxh3 Ng4+) 28... Rh1+ 29. Bxh1 Nh3#) (
27. Rxb7 {Petursson} Rxh3+ 28. Bxh3 Ng4+ 29. Kh1 Qh2#) 27... Qxf2 28. Rf1 Qd4
29. Be5 Qd7 30. Qc1 (30. Bxg7 {Psakhis} Bg1+ 31. Rxg1 Rg6 32. Qc1 Qxg7 33.
Qxc4+ Kh8 $19) 30... Qe6 31. Bxg7 Kxg7 32. Qg5+ Rg6 33. Qxc5 Qd6 0-1

[Event "EU-Cup 34th"]
[Site "Porto Carras"]
[Date "2018.10.18"]
[Round "7.5"]
[White "Rodshtein, Maxim"]
[Black "Predojevic, Borki"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2674"]
[BlackElo "2616"]
[Annotator "Krasenkow,M"]
[PlyCount "49"]
[EventDate "2018.10.12"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "GRE"]
[SourceTitle "CBM 187"]
[Source "ChessBase"]
[SourceDate "2018.12.11"]
[SourceVersion "1"]
[SourceVersionDate "2018.12.11"]
[SourceQuality "1"]
[WhiteTeam "St Petersburg Bronze Horseman"]
[BlackTeam "Valerenga"]
[WhiteTeamCountry "RUS"]
[BlackTeamCountry "NOR"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. Nc3 c6 7. O-O Nbd7 8. b3
b6 9. Bb2 Ba6 10. Nd2 b5 (10... Rc8 {[%cal Yc6c5] is the main alternative.})
11. cxd5 {Quite a harmless continuation.} (11. cxb5 $144 cxb5) (11. c5 {
is principled, which leads to a double-edged position after} b4 {, e.g.} 12.
Na4 Bb5 13. Re1 {[%cal Ye2e4]} Qc7 14. Qc2 Rfe8 15. f4 Ng4 16. e4 dxe4 17. Nxe4
Ngf6 18. Ng5 h6 19. Nf3 Nd5 20. Bc1 Bxa4 21. bxa4 Rab8 22. Bf1 Bf6 23. Bb2 Red8
24. Bc4 Nf8 25. Bb3 Ng6 $13 26. Rxe6 $5 Ngxf4 27. Re4 Nh3+ 28. Kg2 Ng5 29. Nxg5
Bxg5 30. Rae1 Qd7 31. Qe2 {1/2 (31) Iturrizaga Bonelli,E (2636)-Leitao,R (2620)
Batumi 2018}) 11... cxd5 12. a3 Rc8 (12... Nb6 $5 {(anticipating b3-b4, when
Black's knight can immediately invade c4) is probably more precise:} 13. Re1 (
13. Nf3 Qc8 14. Rc1 Qb7 15. Na2 Rfc8 16. Nb4 Rxc1 17. Qxc1 Rc8 18. Qb1 Nbd7 19.
Qd3 Qb6 20. Nxa6 Qxa6 21. Nd2 Qb6 $11 {1/2 (40) Bruzon Batista,L (2691)
-Kovalyov,A (2606) Montreal 2013}) (13. b4 Nc4 14. Bc1 Nxd2 15. Qxd2 Qb6 16.
Qd3 Rac8 17. Bb2 Rc4 $132 {1/2 (24) Stefanova,A (2514)-Bischoff,K (2556)
Istanbul 2000}) 13... Qd7 14. Nf3 Rfc8 15. Ne5 Qe8 16. Qd3 Nbd7 17. b4 Nxe5 18.
dxe5 Nd7 19. Nb1 Bb7 $5 20. Qxb5 Bc6 21. Qd3 a5 22. Nd2 axb4 23. axb4 Bxb4 $11
{1/2 (68) Musat,A (2398)-Iordachescu,V (2608) Calimanesti 2014}) 13. Re1 (13.
Na2 Bb7 14. Nf3 Qb6 15. Ne1 a5 16. b4 Ne4 17. Nd3 Nd6 18. Nc5 Bc6 19. Bc3 a4
20. Nc1 Nc4 $132 {1-0 (42) Tatai,S-Hemasian,N Siegen 1970}) (13. b4 $142 $1 {
- White brings his d2 knight via b3 to c5, and Black will have to take it, due
to the poor position of his light-squared bishop. As a result, White will get
a strong protected passed pawn:} Nb6 14. Nb3 Nc4 15. Bc1 Nd7 16. Ra2 (16. Nc5 {
was possible at once:} Nxc5 17. bxc5 $14 {Z.Ribli}) 16... Bb7 $6 (16... f5 17.
Rc2 Bf6 18. e3 $14 {[%cal Yb3c5] Z.Ribli}) 17. Nxb5 a6 18. Nc3 Nxa3 19. Nxd5 (
19. Nc5 $142 Nxc5 20. bxc5 Nb5 21. Qd3 $14) 19... Bxd5 20. Bxa3 Nb6 $44 {
1-0 (63) Kortschnoj,V (2625)-Lputian,S (2610) Sarajevo 1998 CBM 066 
[Kortschnoj]}) 13... Bb7 $1 {Black finds a good way to consolidate his
position and equalize.} (13... Nb6 $6 14. e3 Qd7 15. Bf1 Ne8 16. a4 Nd6 17.
Ndb1 Rb8 18. Ba3 $16 {1-0 (54) Bruzon Batista,L (2684)-Gurevich,D (2473)
Chicago 2015}) 14. e3 (14. Nxb5 $2 Qa5 {[%csl Rb5]} 15. a4 Bb4 $17) 14... a6
$11 15. Qe2 (15. b4 Nb6 $11) 15... b4 $6 {This is unnecessary. Black's a-pawn
will be weaker than White's b3 pawn.} (15... Qb6 $11 {[%cal Yc8c7,Yf8c8] was
simpler.}) 16. axb4 Bxb4 17. Rec1 Qb6 18. Na4 Rxc1+ 19. Rxc1 Qd6 20. Nf3 Rc8
21. Rxc8+ Bxc8 22. Qc2 Qb8 23. Bc3 Qc7 24. Ne1 Ne4 $4 {[%mdl 8192] A tragic
blunder. Black doesn't notice that White has protected his queen.} (24... Bxc3
25. Qxc3 Qxc3 26. Nxc3 a5 {, and Black should reach a draw.}) 25. Bxb4 1-0

[Event "Buenos Aires Szmetan/Giardelli-A"]
[Site "Buenos Aires"]
[Date "2019.12.08"]
[Round "8.2"]
[White "Mareco, Sandro"]
[Black "Ricardi, Pablo"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "2634"]
[BlackElo "2493"]
[Annotator "Lorenzini,Martin"]
[PlyCount "109"]
[EventDate "2019.12.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARG"]
[EventCategory "13"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. O-O O-O 6. d4 {The subtle order
chosen by White transposes into a Catalan opening, and it does not give Black
the chance to choose the variations with ...Bb4+.} c6 7. b3 b6 8. Bb2 Bb7 {
This is an interesting moment in which Black chooses the plan. Other
variations are to develop the black bishop to a6 or the move a5. With the
black pawn on a5, sometimes it is convenient to delay the development of the
knight b8, choosing between the squares d7 and a6.} (8... a5 9. Nbd2 (9. Nc3
Ba6 10. Nd2 b5 11. Re1 Ra7 12. e3 Nbd7 13. Rc1 Qb8 $11 {Dogan, N. - Baklan, V.,
0-1, 7th Cesme Open A 2019.}) 9... a4 10. bxa4 Nbd7 11. cxd5 cxd5 12. Qb3 Bb7
13. Rac1 Ra7 14. Nb1 Ba6 15. Nc3 Ne4 16. Nxe4 dxe4 17. Nd2 Bxe2 18. Rfe1 $11 {
Gunina, V. - Vallejo Pons, F., 1-0, Eurasian Blitz Chess Cup, 2016.}) (8... Ba6
9. Nbd2 Nbd7 10. Qc2 Rc8 11. Rfd1 h6 (11... c5 12. dxc5 (12. e4 cxd4 13. exd5
exd5 14. Nxd4 {Epishin, Vladimir - Drasko, Milan, 1/2-1/2, Cutro op-A 15th,
2009.}) 12... Bxc5 13. e3 Qe7 14. Ne5 Nxe5 15. Bxe5 Bb7 16. Qb2 Rfd8 {
Christiansen, Larry Mark - Adams, Michael, 0-1, Las Palmas, 1993.}) 12. Rac1
Bb7 13. e4 dxe4 14. Nxe4 Qc7 15. Ne5 Rfd8 $14 {Fressinet, L. - Alonso Rosell,
A., 1/2-1/2, Chess24 Banter Blitz Cup, 2019.}) (8... Nbd7 9. Qc2 Bb7 10. Nc3
Rc8 11. e4 Nxe4 12. Nxe4 dxe4 13. Qxe4 Nf6 14. Qc2 c5 15. Rad1 cxd4 16. Rxd4
Qc7 17. Rfd1 Rfd8 18. Qe2 h6 19. Ne5 {Mamedyarov, S. - Vitiugov, N., 1-0,
TCh-RUS Men 2017.}) 9. Nc3 Nbd7 (9... Na6 10. e3 Rc8 (10... c5 11. Qe2 dxc4 12.
bxc4 Qc8 13. Rfd1 Rd8 14. Rac1 Ne4 {Volkov, Sergey1 - Sivuk, V., 1-0,
Panchenko Mem Open 2019.}) 11. Qe2 Qc7 12. Rfd1 Qb8 13. e4 Nc7 14. Ne5 Qa8 15.
Nd3 c5 {Horvath, Csaba - Howell, David, 0-1, Leiden LCT op-A 6th, 2012.}) 10.
Rc1 (10. e3 Rc8 11. Qe2 Qc7 12. Rfd1 Rfe8 13. Rac1 Qb8 14. Ne5 h6 15. f4 Red8
16. g4 Nxe5 17. fxe5 Nh7 18. Rf1 Rf8 $11 {Dubov, Daniil - Galkin, A., 1/2-1/2,
World Blitz 2019.}) 10... Rc8 11. e3 (11. Re1 Rc7 (11... Re8 12. Nd2 c5 13. e3
cxd4 14. exd4 Nf8 15. Qe2 Qd7 16. Nf3 dxc4 17. bxc4 Qc7 18. Nb5 Qb8 19. Ne5
Bxg2 20. Kxg2 a6 21. Nc3 Ng6 22. Nf3 Qa8 23. Ne4 {Lysyj, I. - Smirnov, P., 1/
2-1/2, Rapid GP Russia Final, 2016.}) 12. e4 Nxe4 13. Nxe4 dxe4 14. Rxe4 c5 15.
Re2 Bf6 16. d5 exd5 17. cxd5 $11 {Vallejo Pons, Francisco - Aronian, Levon, 1/
2-1/2, Amber-blindfold 15th, 2006.}) (11. Qd3 c5 12. cxd5 Nxd5 13. Nxd5 Bxd5
14. Rfd1 cxd4 15. Nxd4 Rxc1 16. Rxc1 $11 {Oparin, G. - Tang, Andrew, 1-0,
World Blitz 2018.}) (11. Ne5 Nxe5 (11... Ba8 12. Nd3 c5 13. cxd5 Nxd5 14. Nxd5
Bxd5 15. Bxd5 exd5 16. Nf4 Bg5 17. dxc5 Nxc5 18. Qd4 Bf6 19. Qd2 Bxb2 20. Qxb2
Qg5 21. Rfd1 Rcd8 22. Qd2 d4 23. Rc4 Rd7 24. Rxd4 Rfd8 25. Qe3 Rxd4 26. Rxd4 {
Ribli, Zoltan - Lukacs, Peter, 1-0, HUN-ch, 1971.}) 12. dxe5 Ng4 13. e4 Nxe5
14. exd5 cxd5 15. Nxd5 Ng6 16. Nxe7+ Qxe7 17. Qe2 Bxg2 18. Kxg2 Rfd8 19. Rcd1
$14 {Hort, Vlastimil - Antoshin, Vladimir S, 1-0, CSR-ch int, 1971.}) 11... c5
(11... Rc7 12. Qe2 Qb8 13. Rfd1 Rd8 14. Ne1 Rcc8 15. Nd3 h6 16. Nf4 Bd6 17. Nd3
a6 18. e4 $14 {Nikolic, Predrag - Seirawan, Yasser, 1/2-1/2, Hoogovens, 1995.})
12. Ne5 cxd4 13. exd4 Ne4 {After this move, Black has no inconvenience, and
the game is dynamically balanced.} (13... a6) 14. Nxe4 (14. Nb5) 14... dxe4 15.
Qe2 (15. Nxd7) 15... f5 16. Nd3 $6 ({This seems imprecise and gives Black the
more comfortable position. Probably Mareco, playing for a win, did not want to
simplify the game. He should have played} 16. Nxd7 Qxd7 17. f3 exf3 18. Bxf3
Bxf3 19. Rxf3 Bf6 20. Rd1 Rfe8 21. Re3 Rcd8 $11) 16... Bg5 17. Rcd1 Qe8 18. Ne1
({There are no satisfactory alternatives for White. The best choice is} 18. Nb4
{, avoiding the break ...b5 and gaining more control over the square c6.} Be7 (
18... b5 19. cxb5 {[%csl Gc6]}) 19. Nc2 Qg6 20. Ne3 Bd6 21. f4 exf3 22. Bxf3
Bxf3 23. Rxf3 f4 $15) 18... b5 $1 {Typical for Ricardi's aggressive style of
play.} 19. cxb5 Nb6 20. h4 $6 {A weakening, giving Black opportunities to
attack.} ({It could be tried} 20. Nc2 Nd5 21. a4 Qf7 {with a complex position
in which the black game is to be preferred .}) 20... Bh6 21. Nc2 Nd5 22. Na3
Rf7 23. Qe1 g5 $6 ({This is one of the crucial moments of the game. Ricardi
has been very precise in his last moves, but here misses a winning move while
still getting a decisive advantage.} 23... f4 $1 $19 24. Nc4 (24. Bc1 Nc3 25.
Nc4 Nxd1 26. Qxd1 fxg3 27. Bxh6 gxf2+ 28. Rxf2 Rxf2 29. Kxf2 gxh6 30. Qg4+ Qg6
31. Qxg6+ hxg6 $19) (24. Bh3 fxg3 25. fxg3 Rxf1+ 26. Bxf1 (26. Qxf1 Ne3 27. Qe2
Qg6 28. Kh2 Nxd1 $19) 26... Be3+ 27. Kh2 Qf7 28. Bh3 Rf8 29. Nc4 Bf2 30. Ne5
Qf6 31. Ng4 Qf3 32. Nxf2 Qxf2+ 33. Qxf2 Rxf2+ 34. Kg1 Rxb2 $19) 24... f3 25.
Bh3 (25. Bh1 Nf4 26. Kh2 Ne2 $19) 25... Nf4 26. Nd6 Nxh3+ 27. Kh2 Qd7 28. Nxf7
Kxf7 29. Kxh3 Rc2 30. Bc1 e3 $1 $19 {White cannot hold this.}) 24. Nc4 ({
Other options do not relieve White's burden either:} 24. hxg5 Bxg5 25. Nc4 (25.
Bc1 f4 26. Nc4 Rf6 27. Qxe4 Nc3 28. Qe5 Bxg2 29. Qxg5+ Rg6 30. Qh4 Bxf1 31.
Rxf1 fxg3 32. fxg3 Ne2+ 33. Kh2 Nxg3 34. Rg1 Nf5 $19) 25... Rg7 26. Bc1 Qg6 27.
Bxg5 Qxg5 28. Rc1 Rf8 29. Rc2 Qf6 30. Nd6 Ba8 31. Qc1 Qe7 32. Nc4 Nb4 33. Rd2
f4 $19) 24... gxh4 25. Nd6 Qf8 26. Nxf7 ({Not helping either was} 26. Nxc8 Bxc8
27. Bc1 Bb7 28. a4 Qg7 29. a5 Nf4 30. d5 Bxd5 31. a6 Nxg2 32. Kxg2 f4 {with a
devastating attack.}) 26... Qxf7 27. Bc1 Rxc1 $2 {This attractive second
exchange sacrifice is a mistake and lets White back into the game.} ({The
winner move is} 27... h3 $3 28. Bh1 (28. Bxh3 Qh5 29. Bxh6 (29. Bg2 Nf6) 29...
Qxh3 30. Rc1 Re8 31. Qd2 e3 $19) 28... Qh5 $19 29. Kh2 Nf6 30. Bxh6 Ng4+ 31.
Kg1 h2+ 32. Kg2 e3+ 33. f3 Rc2+) 28. Rxc1 hxg3 29. fxg3 Be3+ 30. Kh2 Bxd4 31.
Qe2 $2 (31. Rc4 Qh5+ 32. Bh3 Be5 33. Ra4 Bb8 34. Qd2 {This position is
confusing. Black has a much easier strategy to follow, but White is still in
the game.}) 31... Qg6 32. Bh3 Be5 33. Rg1 (33. Qe1 Qg5 34. Rc6 Bxc6 35. bxc6
Bc7 36. Qf2 Nf6 37. Kh1 e3 38. Qh2 Ne4 $19) 33... Qh6 34. Rcf1 ({White does
not accomplish enough offering an exchange with the following line:} 34. Rc6
Kf7 35. Re1 Nf6 36. Kg2 Qg5 37. Qf2 Bxc6 38. bxc6 Bc7 39. Kh1 Nh5 $19) 34...
Nf6 35. Rf4 Bxf4 $2 ({He had to prepare this capture improving the black king:
} 35... Kf7 36. Rgf1 (36. Rh1 Bxf4 37. gxf4 Qxf4+ 38. Kg1 Qc1+ 39. Kh2 Qc7+ 40.
Kg1 f4 $19) 36... Bd5 37. a4 (37. R1f2 Ke7 38. Rf1 e3 39. Ra4 Ne4 $19) 37...
Bxb3 38. Kg2 Bxf4 39. Rxf4 Nd5 40. Rf2 e3 41. Rf3 Qg7 42. Kh2 Qc3 $19) 36.
gxf4+ Kf7 37. Qg2 $4 (37. Qd2 Qh4 38. Qd6 Ng4+ 39. Rxg4 fxg4 40. Qd7+ Qe7 41.
Qxe7+ Kxe7 42. Bxg4 Bd5 43. Kg2 Kd6 44. Kf2 Kc5 45. Ke3 Kxb5 46. Kd4 $11 Kc6 (
46... Kb4 47. Bh5 h6 48. f5 exf5 49. Kxd5 Kc3 50. Ke5 Kd2 51. b4 e3 52. a4 e2
53. Bxe2 Kxe2 54. a5 Ke3 55. Kxf5 Kd4 56. b5 Kc5 $11) 47. Bh5 Kd6 $11) 37...
Qxf4+ 38. Qg3 Nh5 $2 {This is an error allowing White to get time at the end.
Black should advance the central pawns as quickly as possible.} (38... Qxg3+
39. Kxg3 Nh5+ 40. Kh2 f4 41. Rc1 Bd5 42. a4 e3 $19) 39. Qxf4 Nxf4 40. Rc1 Kf6 {
The endgame is very sharp and always results in a little easier play for Black.
White makes another mistake and finds himself lost again.} 41. Rc7 $2 (41. Bf1
e3 (41... Nd5 42. a4 f4 43. a5 f3 44. b6 axb6 45. a6 Bxa6 46. Bxa6 h5 47. Re1
Ke5 {Here it is not easy to find a winning line for Black. In a tournament
game it is a very unpleasant position for White.} 48. Kg3 h4+ 49. Kxh4 Nb4 50.
Bc4 Kf4 51. Rg1 e3 52. Rg4+ Kf5 53. Rg3 $11) 42. a4 Be4 43. Re1 Nd5 44. Bg2 Ke5
45. a5 f4 46. b6 Nxb6 47. Bxe4 Kxe4 48. axb6 axb6 49. Kg2 e5 50. Rh1 Kd3 51.
Kf3 e4+ 52. Kxf4 e2 53. Ra1 Kd2 54. Ra2+ Kd1 55. Ra1+ Kd2 $11 {Nice variations.
}) 41... Nxh3 42. Kxh3 e3 43. Kg3 Bd5 44. Kf4 e2 45. Rc1 h5 {Black is winning.}
46. Re1 e5+ 47. Ke3 h4 48. Rxe2 h3 (48... f4+ $1 49. Kd3 (49. Kd2 e4 50. b4 e3+
51. Kd3 Kf5 52. Kd4 Bf3 53. Rc2 h3 54. Kc3 Be4 55. Re2 Bd5 56. Rc2 Kg4 57. Kd4
Bf3 58. Rb2 Bg2 59. a4 Kg3 60. Rb1 h2 $19) 49... Kf5 50. Rh2 Kg4 51. Kc3 h3 52.
Rc2 Kg3 $19) 49. Rh2 Bg2 $4 {Allowing the only resource that White has, an
exchange sacrifice to achieve an endgame with equal pawns.} (49... f4+ $1 50.
Kf2 Be6 51. Kf3 Kg5 52. Ke4 Kg4 53. a4 Kg3 54. Rc2 h2 55. Rc3+ f3 56. Rxf3+ Kg2
57. Rf6 Bh3 $19) 50. Kf2 $4 ({As Black cannot move the bishop from g2 due to
exposing the pawn of h3, White should quickly advance his queenside pawns} 50.
a4 $1 Ke6 (50... f4+ 51. Kf2 e4 52. Rxg2 e3+ 53. Kf1 hxg2+ 54. Kxg2 Ke5 55. a5
Kd5 56. b4 Ke4 57. b6 axb6 58. axb6 e2 59. b7 e1=Q 60. b8=Q f3+ 61. Kh3 Qh1+
62. Kg4 Qg2+ 63. Kh4 Qg7 64. Kh3 f2 65. Qb5 Qg1 66. Qc4+ Ke3 67. Qc3+ Ke2 68.
Qc2+ Kf3 69. Qc6+ $11) 51. b4 f4+ 52. Kf2 e4 53. Rxg2 e3+ 54. Kf3 hxg2 55. Kxg2
Ke5 56. a5 Ke4 57. b6 axb6 58. axb6 e2 59. b7 e1=Q 60. b8=Q {transposing to
the variation above.}) 50... e4 $4 (50... Ke6 $1 51. Kg1 (51. a4 Kd5 52. Ke1
Kc5 53. Kf2 f4 54. Rxg2 hxg2 55. Kxg2 e4 56. Kf1 Kd4 57. Ke1 e3 58. a5 Kc5 59.
b6 axb6 60. a6 Kc6 61. b4 b5 $19) 51... Kd5 52. a4 f4 53. a5 Kc5 54. b6 axb6
55. a6 Kc6 56. Kf2 e4 57. Ke1 b5 $19) 51. Rxg2 $11 hxg2 52. a4 Ke5 53. a5 Kd5
54. b4 Kd6 55. Kxg2 {The position is balanced. It is interesting that Black
could lose with 55...Kd5?? 56.a6!+-. A sharp game with mistakes, but a great
fight.} 1/2-1/2

[Event "EU-ch 12th"]
[Site "Aix les Bains"]
[Date "2011.03.24"]
[Round "3"]
[White "Serov, Maksim"]
[Black "Khalifman, Alexander"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "2352"]
[BlackElo "2637"]
[Annotator "Marchand,A/Primel,D"]
[PlyCount "42"]
[EventDate "2011.03.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "FRA"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Qb3 e6 (4... dxc4 {Probablement un moyen plus
simple d'égaliser et par rapport а la variante 4.Qc2, les Blancs n'ont pas
l'option du gambit RAUZIS} 5. Qxc4 Bf5 (5... Bg4 6. Nc3 Nbd7 7. e4 Bxf3 (7...
e6 8. Be3 Be7 9. Be2 O-O 10. O-O $14) 8. gxf3 e5 9. Be3 (9. dxe5 Nxe5 10. Qe2
Bc5 11. Bd2 Qe7 (11... O-O 12. O-O-O {[%cal Gd1d8]} (12. Rg1 $5 {[%csl Gg1,Rg7]
[%cal Gd2h6]})) 12. f4 $14 {Vitiugov,N (2616)-Lastin,A (2639) RUS-ch Higher
League 61st 2008 (3) 1/2})) 6. g3 e6 7. Bg2 Nbd7 8. O-O Be7 9. Nc3 (9. e3 O-O
10. Qe2 Ne4 (10... c5 11. Rd1 (11. Nc3 Ne4 12. Ne1 $1 Ndf6 13. f3 Nxc3 14. bxc3
$14 {[%cal Ge3e4];Kurajica,B (2529)-Haznedaroglu,K (2439) Mediterranean op-A
4th 2010 (7) 1/2}) 11... Qb6 12. Nc3 cxd4 (12... Rfd8 13. h3 {Wojtkiewicz,A 
(2551)-Kamsky,G (2717) New York Masters 119th rapid 2004 (4) 1/2} (13. e4 Bg4 (
13... Bg6 14. d5 $36 {[%csl Gd1,Gd5]}) 14. Be3 {[%cal Ge3b6]} cxd4 (14... Rac8
15. h3 Bh5 16. g4 Bg6 17. Nh4 $16) 15. Bxd4 $36 {[%csl Rb6]})) 13. Nxd4 Bg4 14.
f3 Bh5 15. e4 e5 16. Na4 Qa5 17. Nf5 $1 Bb4 18. b3 Rfd8 19. a3 $14 {
Wojtkiewicz,A (2539)-Zatonskih,A (2440) USA-ch San Diego 2004 (3) 1/2}) (10...
Qb6 11. Nbd2 {[%csl Rb6][%cal Gd2c4]} Ne4 12. Ne5 Nxe5 13. Nxe4 Nd7 14. Nc3 $14
) 11. Rd1 {[%csl Gc5,Ge5][%cal Gd1d8]} Qc7 12. Ne1 Bg6 13. Nc3 Nxc3 14. bxc3 c5
15. e4 cxd4 16. cxd4 $16 {[%csl Gd4,Ge4]} Rac8 17. Nd3 Rfd8 (17... Qc2) 18. Bb2
Qa5 19. Nf4 Qa4 {[%cal Gc8c2]} 20. d5 $5 {Wojtkiewicz,A (2543)-Stripunsky,A 
(2543) New York Masters 76th rapid 2003 (3) 1-0}) 9... O-O 10. Re1 {[%cal
Ge2e4]} Ne4 11. Qb3 {[%csl Rb7]} Qb6 12. Nh4 Bxh4 13. gxh4 $5 Ndf6 14. f3 Nxc3
15. bxc3 Qc7 16. e4 Bg6 17. Be3 Nh5 18. a4 Qe7 {[%csl Rh4]} 19. Bg5 Qc7 20. Be3
{Nezar,M (2391)-Vernay,C (2441) FRA-chT Top 12 2012 (2.7) 1/2} (20. a5 {
[%csl Rb7][%cal Ge1b1]})) 5. g3 {Retombe sur une Catalane avec une sortie
prématurée de la Q mais c'est un système que jouait Kortchnoi dès les années 50
} Be7 (5... dxc4 6. Qxc4 b5 7. Qb3 (7. Qd3 Bb7 8. Bg2 Nbd7 9. O-O a6 10. Nfd2
Qb6 (10... Qc8 11. a4 b4 12. Nb3 c5 13. Bxb7 Qxb7 $11 {Leitao inf 114}) 11. a4
{El Debs,F (2477)-Leitao,R (2626) BRA-ch 78th Campinas 2011 (2) 0-1})) (5...
Nbd7 6. Nc3 (6. Bg2)) 6. Bg2 O-O 7. Nc3 (7. O-O Nbd7 8. Nc3 (8. Bf4 a5 $1 {
[%csl Rb3][%cal Ga5a4];Giri,A (2711)-Aronian,L (2816) Istanbul ol (Men) 40th
2012 (10.1) 0-1 La sortie Qb3 ne présente pas que des avantages}) (8. Rd1 b6 9.
Nc3) 8... b6 (8... a5 $5) 9. Bf4 Bb7 10. cxd5 exd5 11. Rad1 Re8 12. e4 $1 Nxe4
13. Nxe4 dxe4 14. Ne5 $40 {[%csl Rf7];Rashkovsky,N (2525)-Goloshchapov,A (2446)
RUS-Cup final 1999 (9) 1-0}) (7. Nbd2 $143 Nbd7 8. O-O Qb6 9. c5 Qxb3 10. axb3
a5 11. b4 b6 $1) 7... Nbd7 (7... b6 8. O-O Nbd7 9. Rd1 (9. cxd5 exd5 (9... cxd5
10. Bf4 a6 11. Rac1 (11. a4) 11... b5 12. a4 b4 13. Nb1 Ne8 14. Nbd2 Bb7 15.
Ne5 Nxe5 16. dxe5 a5 17. Nf3 Nc7 18. Be3 Qd7 $11 {Gligoric,S-Eliskases,E
Saltsjobaden Interzonal 1952 (8) 1/2}) 10. Bf4 Bb7 11. Rad1 {[%csl Gc5,Rc6]
[%cal Gd1d5]} (11. Rfe1) 11... Re8 (11... Nh5 $5 {Loevenfisch} 12. Bc1 Qc7 {
[%cal Ga8d8]})) 9... Ba6 10. cxd5 cxd5 11. Nb5 $6 Ne4 12. Bf4 Ndc5 $1 {[%csl
Rb3];Antoshin,V-Spassky,B URS-ch23 Leningrad 1956 1/2}) 8. O-O (8. Bf4 Nh5 $132
{[%cal Gf7f5]}) 8... Nb6 $5 {[%csl Rc4] La Qb3 n'est finalement pas si bien
placée et la pression du Nb6 sur le Pc4 force les Blancs а faire une concession
} (8... b6 {La grande ligne}) (8... Qb6 9. c5 Qxb3 10. axb3 $14 {[%csl Ga1]
[%cal Gb3b4,Gb4b5]}) 9. cxd5 {C'est rarement un bon choix dans la Catalane
mais les Blancs n'ont pas vraiment le choix.} (9. c5 Nbd7 10. Bf4 b6 $11 {
Nikolaev,N (2330)-Nikolaev,V (2280) St Petersburg White Nights op 1998 (5) 1/2}
) 9... exd5 (9... Nbxd5) 10. Ne5 (10. Bf4) (10. Rd1) 10... Ng4 (10... Bf5) 11.
Nd3 $1 $14 {[%csl Gc5]} Nc4 (11... Re8 $132 {[%csl Re2][%cal Ge7f8]}) 12. Rd1
$146 (12. Bf4 Bd6 13. Rfd1 Qc7 14. Bxd6 $14 {[%csl Rc8];Kortschnoj,V-Vittiglio,
G 1st StudWTCh final 1954 (3) 1-0}) (12. Qc2 {[%cal Gb2b3]} Re8 13. b3) 12...
Nf6 13. Bf4 Nd6 14. Bxd6 $6 {Les Blancs veulent pousser "e4" mais les nombreux
échanges qui vont suivre vont amoindrir le potentiel dynamique des Blancs au
centre alors que le Pd4 sera une faiblesse structurelle} (14. Rac1) 14... Bxd6
15. e4 {[%csl Rd4]} dxe4 16. Nxe4 Nxe4 17. Bxe4 Qf6 $11 {[%csl Rd4]} 18. Nc5
Rb8 19. Rac1 Kh8 (19... Bg4 $11) 20. Bf3 Qe7 21. Re1 Qd8 1/2-1/2

[Event "Candidates Tournament"]
[Site "Berlin"]
[Date "2018.03.10"]
[Round "1"]
[White "Caruana, Fabiano"]
[Black "So, Wesley"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2784"]
[BlackElo "2799"]
[Annotator "Marin,M"]
[PlyCount "65"]
[EventDate "2018.03.10"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "GER"]
[EventCategory "22"]
[SourceTitle "CBM 184"]
[Source "ChessBase"]
[SourceDate "2018.05.16"]
[SourceVersion "1"]
[SourceVersionDate "2018.05.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 O-O 7. O-O c6 8. Qb3
{This was the system prepared by Caruana for this tournament. In several
similar positions he developed his queen to b3 instead of the usual Qc2. In
the past, these l;ines used to be a specialty of Romanishin.} Nbd7 ({For} 8...
b6 {see Caruana,F (2784)-Ding Liren (2769) Berlin 2018 (½-½, 67)}) 9. Bf4 a5
{Black refrains from ...b7-b6 in order to be able to answer cxd5 with ...exd5.
But the question is how he is going to complete his development.} ({The
question about whether the bishop stands better on d2 or on c1 is not entirely
elucidated. A Romanishin game, reaching this position without ...Bb4+ and Bd2
on the way, continued:} 9... Nh5 10. Bd2 $5 (10. Bc1 {is more natural but
curiously I did not find games with the most consequent} f5) 10... f5 (10... a5
{is an attempt to reach some improved version of the main game. White could try
} 11. Ne5 {since the central exchange would leave the h5-knight in a delicate
situation, but after} Nhf6 12. f4 Ne4 13. Be3 {Black is not without chances.})
11. Bb4 a5 12. Bxe7 Qxe7 13. Nbd2 Nhf6 14. Ne1 {[%csl Ge5][%cal Ge1d3,Gd2f3]} (
{Before starting the standard regrouping WHite could have considered
activating his major pieces, for instance} 14. Rac1 a4 15. Qe3 $14) 14... a4
15. Qc2 e5 $5 16. dxe5 Nxe5 17. cxd5 Nxd5 18. Bxd5+ cxd5 19. Nd3 Nxd3 20. Qxd3
Be6 21. Nf3 f4 $13 {Romanishin,O-Korensky,V Tbilisi (Georgia) 1974 (1-0, 40.
Black's attacking chances (at least partly) compensate for White's blocvkade
on d4.}) (9... Qb6 10. Qc2 c5 11. dxc5 Qxc5 12. Na3 b6 13. Be3 Qc7 14. Nb5 Qxc4
15. Qxc4 dxc4 16. Nfd4 Nd5 17. Bxd5 exd5 18. Nc7 Bb7 (18... Rb8 19. Nxd5) 19.
Nf5 Bb4 20. Nxa8 Rxa8 21. Bd4 $14 {1-0 (70) Romanishin,O (2600)-Hertneck,G 
(2555) Bad Lauterberg 1991 CBM 027 [Hertneck,G]}) (9... b6 10. Nc3 Ba6 (10...
Bb7 11. cxd5 cxd5) 11. cxd5 Nxd5 {Roiz,M (2659)-Gyimesi,Z (2584) Germany 2009
CBM 134 [Roiz,M] (1-0, 83)}) 10. Rd1 Nh5 {I am always happy when I see this
move from the whote side as it allows "correcting" the bishop's position,
neutralising the merits of ...Bb4+. But ...a7-a5 involves a serious commitment
and Black's choice is narrower than in other lines already.} (10... b5 11. c5
Ba6 12. Qc2 b4 13. Bf1 (13. Re1 {is more or less similar to the main game.})
13... Ne4 14. Nbd2 f5 15. Ne5 Nxe5 16. Bxe5 Nxd2 17. Qxd2 Bg5 18. f4 Bf6 19.
Bxf6 gxf6 20. a3 b3 21. Rac1 $14 {Mamedyarov,S (2775)-Kovalenko,I (2644) Riga
2013 (½-½, 35)}) ({The consequent} 10... a4 {mainly weakens this pawn.} 11.
Qc2 b6 12. Ne5 $5 Nxe5 (12... Bb7 13. Nc3 a3 14. b3 $16 {planning e2-e4}) 13.
dxe5 Nd7 14. cxd5 cxd5 15. e4 {and in avoidance of the worse Black has to play}
d4 16. Rxd4 g5 17. Bc1 Bc5 18. Rd1 Qe7 19. Nc3 b5 (19... a3 20. Na4 $1) 20.
Nxb5 Nxe5 $14 {with just some compensation for the pawn.}) ({The main move is} 
10... b6 {leaving White with some initiative in the symmetrical position
resulting after} 11. cxd5 cxd5 12. Nc3 Ba6 13. Nb5 Bb4 14. a4 {½-½ Foisor,O 
(2495)-Arkhipov,S (2485) Moscow 1987}) 11. Bc1 Nhf6 12. Nbd2 $146 {A logical
novelty, preparing e2-e4 without leaving c4 vulnerable.} (12. Nc3 a4 13. Qc2 (
13. Nxa4 dxc4 14. Qc2 b5 $132) 13... dxc4 14. e4 h6 15. d5 cxd5 16. exd5 Nxd5
$13 {½-½ Ulybin,M (2521)-Palac,M (2586) Zagreb 2011}) 12... b5 13. c5 b4 ({
Since Black's main plan is breaking in the centre, he should have prepared
this at once without wasting time with pawn moves:} 13... Qc7 $5 {It could be
that So wanted to keep his indirect control over g5, fearing something like}
14. e4 dxe4 ({The aforementioned hypotetical fears are justified after} 14...
Nxe4 $6 15. Nxe4 dxe4 16. Ng5 Bxg5 17. Bxg5 a4 18. Qc2 f5 19. Be7 Re8 20. Bd6 {
with overwhelming compensation for the pawn.}) 15. Ng5 {But Black seems to be
doing fine here:} a4 16. Qc2 e3 17. fxe3 e5 $132) 14. Qc2 a4 15. Re1 ({Still
preparing e2- e4 as if} 15. e4 b3 16. Qb1 bxa2 17. Rxa2 Nxe4 18. Nxe4 dxe4 19.
Qxe4 Nxc5 $1 {Black should be OK despite his apparently hanging position.
After the game move White has basically lost two tempi with his major pieces,
but the merits of the massive pawn advance on the queenside are not entirely
clear.}) 15... e5 {It's now or never.} ({It is too late for half measures as} 
15... Qc7 16. e4 dxe4 17. Nxe4 $16 {leads to a favourable structure for White.}
) 16. Nxe5 Nxe5 17. dxe5 Nd7 18. Nf3 Bxc5 $6 {Leaving g5 undefended is too
inviting for a Catalan specialist, even though Caruana hesitated for a while
before answering.} (18... Nxc5 $5 19. Be3 Ra5 20. Nd4 Bd7 21. f4 {offers White
some pressure but not a direct atack.}) 19. Ng5 $1 {Perfectly in the good old
Catalan spirit, by switching to a kingside attack.} g6 20. Bf4 Qb6 21. e4 $1 {
Black's kingside is not prepared for White's massive attack.} b3 22. axb3 axb3
23. Qe2 Ba6 ({Caruana was mainly worried about} 23... Ra2 24. e6 $1 ({During
the press conference Caruana indicated only} 24. Rab1 Ba6 25. Qf3 Bd3 26. Qxd3
Bxf2+ 27. Kh1 Bxe1 28. Rxe1 Rxb2 {and}) (24. exd5 Ba6 25. Qf3 Rxb2 26. Ne4 cxd5
27. Nxc5 Nxc5 28. Be3 Bc4 29. Bd4 {when he did not like playing against the
passed b-pawn.}) 24... fxe6 25. exd5 e5 {Trying to prevent the queen's
infiltration.} 26. dxc6 exf4 27. cxd7 Bxd7 28. Rad1 {Despite the apparently
annoying pressure on f2 Black is in big trouble. For instance:} fxg3 29. hxg3
Rxf2 (29... Bxf2+ 30. Kh1 Bxe1 31. Rxd7 {threatening Bd5+ followed by Rxh7
mate.}) 30. Qc4+ Kh8 31. Rxd7) 24. Qf3 Bc4 (24... h6 {just weakens the
kingside:} 25. Nh3 (25. Nxf7 Rxf7 26. exd5 {also looks tempting but Black can
try surviving with} Nf8) 25... dxe4 26. Qxe4 $18 {c6 and h6 are hanging and
the threat e5-e6 is killing. More than Black cn cope with, for sure.}) 25. Rxa8
Rxa8 26. e6 dxe4 (26... fxe6 $2 27. Bc7 $1) 27. exf7+ Bxf7 28. Nxe4 Bd4 (28...
Re8 $16 {Caruana}) 29. Nd6 {Caruana concludes the attack with simple moves.}
Bd5 30. Qe2 Nf8 31. Bxd5+ cxd5 32. Qf3 Qa5 33. Re7 $4 {The bishop will move
away and there will be no defence against Qf7+.} 1-0

[Event "EU-Cup 23rd"]
[Site "Kemer"]
[Date "2007.10.06"]
[Round "4.1"]
[White "Eljanov, Pavel"]
[Black "Asrian, Karen"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "2681"]
[BlackElo "2623"]
[Annotator "Marin,M"]
[PlyCount "62"]
[EventDate "2007.10.03"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "TUR"]
[SourceTitle "CBM 121"]
[Source "ChessBase"]
[SourceDate "2007.11.14"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.14"]
[SourceQuality "1"]
[WhiteTeam "Ashdod"]
[BlackTeam "Yerevan"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "ARM"]

1. d4 e6 2. c4 Nf6 3. Nf3 d5 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Bf4
Nbd7 9. Nc3 Nh5 10. Bc1 Nhf6 11. Qd3 {This move has been out of fashion for a
long time and probably rightly so. The queen will soon become vulnerable.} (11.
Qb3 {and}) (11. Nd2 {offer Black less possibilites of counterplay.}) 11... b6
12. e4 Ba6 13. b3 dxc4 $1 ({White has been quite succesful in the past after} 
13... Rc8 14. Rd1 c5 15. exd5 exd5 16. Bb2) 14. bxc4 e5 {This well-timed pawn
break leaves White hanging in the centre.} 15. dxe5 ({The main alternative is} 
15. Rd1 {, trying to catch up with the development. The most consistent move
seems to be} Qc7 {Psakhis,L (2605)-Miladinovic,I (2500)/Moscow 1994/CBM 045/
[Shipov] (0-1, 21). , maintaining the tension and continuing the own
development.} ({Black was successful with} 15... exd4 {Piket,J (2605)
-Polugaevsky,L (2595)/Aruba 1994/CBM 040/[Ambroz] (0-1, 33) , but the
situation was far from clear. The early release of the tension in the centre
looks a bit like a concession.}) (15... Bb4 16. Bb2 exd4 17. Nxd4 Ne5 18. Qc2
Qc8 19. Nf5 Re8 20. Qc1 h6 21. Ne2 Bc5 22. Nf4 Nfg4 23. Bd4 Bf8 24. h3 c5 25.
Bc3 Nf6 26. Nd5 Nfd7 27. f4 $36 {Inkiov,V-Letzelter,JC/Buenos Aires olm/1978/
1-0 (32)})) 15... Ng4 16. Bf4 Nc5 (16... g5 $5 {looks risky, but is not easy
to refute.} 17. Rad1 (17. Bh3 Ndxe5 18. Nxe5 Nxe5 19. Qxd8 Nf3+ 20. Kg2 Raxd8
21. Kxf3 gxf4 $17) (17. e6 fxe6 18. Bh3 h5) (17. Nxg5 Ngxe5 18. Qe3 Nxc4 $132 {
Kouatly,B (2450)-Pfleger,H (2485)/Royan 1988/CBM 009 (0-1, 34)}) 17... gxf4 18.
gxf4 $5 (18. Qxd7 Qxd7 19. Rxd7 Bb4 20. Rc1 fxg3 21. hxg3 Rfd8 $132) 18...
Ndxe5 $1 (18... Nc5 19. Qe2 $44 {[%csl Rg4][%cal Gf3d4,Gd4f5]}) 19. Nxe5 Qxd3 (
19... Nxe5 20. Qg3+ $1 $18) 20. Nxd3 Bxc4 $132 {and White seems to be missing
just one tempo to put his formidable mass of pawns into motion.}) 17. Qd1 $5
$146 {An interesting concept. This paradoxical retreat creates the potential
threats Nd4 (פg4) and, if the c5-knight moves away, Qa4 (ץa6). White hopes
to tempt his opponent to exchange on d1 himself, thus allowing him to be the
first to occupy the d-file with a rook.} ({The previously played} 17. Qxd8 {
leads to a complicated fight.} Rfxd8 18. h3 Nh6 19. Rfd1 Bxc4 20. Nd4 Rac8 21.
Bxh6 gxh6 22. Nf5 Bf8 23. Nd6 Bxd6 24. exd6 Nd3 25. Rd2 Rxd6 26. Rad1 f6 $2 (
26... b5 $13 {[%csl Gc4]}) 27. Bf1 Rcd8 28. Ne2 {1-0 (?!) Vaganian,R (2640)
-Mueller,M (2375)/Germany 1995/GER-chT} Bb5 29. Nf4 Ba4 30. Bxd3 Bxd1 31. Rxd1
$14) 17... Nd3 (17... Bxc4 18. Nd4 $1 Bxf1 19. Bxf1 Re8 (19... Rc8 20. Nf5 $36
Qxd1 $2 21. Nxe7+ $18) (19... Bg5 20. Nxc6 Qxd1 21. Rxd1 Bxf4 22. gxf4 $44) 20.
Nxc6 Qxd1 21. Rxd1 $44) 18. Qa4 {[%csl Ra6,Rc6] One of the main points behind
White's previous play. However, he has moved his queen around too much to have
chances for an advantage.} Bc5 $5 (18... Bb7 19. Rad1 $16) (18... Ngxf2 $5) 19.
Rad1 Bxf2+ 20. Rxf2 Ngxf2 21. Rd2 Qe7 22. Be3 Ng4 23. Rxd3 Nxe3 24. Rxe3 {
White has won material, but his structure is disastruous and his piece
coordination rather poor. His novelty did not manage to change theory's
verdict on the whole variation.} Qc5 $44 25. Kf2 Bxc4 26. Nb1 b5 27. Qc2 Qb6
28. Nbd2 Be6 29. Nb3 Rad8 30. Bf1 a5 31. Qc5 Qxc5 1/2-1/2

[Event "RUS-ch"]
[Site "Elista"]
[Date "1994.??.??"]
[Round "11"]
[White "Ulybin, Mikhail"]
[Black "Aseev, Konstantin N"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "2510"]
[BlackElo "2540"]
[Annotator "Moiseev,V"]
[PlyCount "73"]
[EventDate "1994.09.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "RUS"]
[SourceTitle "CBM 044"]
[Source "ChessBase"]
[SourceDate "1995.02.01"]
[SourceVersion "1"]
[SourceVersionDate "1995.02.01"]
[SourceQuality "1"]

1. d4 {Ftacnik} Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O dxc4 7. Nc3
Nbd7 (7... Nc6 {Ftacnik} 8. e3 a6 9. Nd2 Na5 10. Qe2 $14) 8. e4 a6 (8... c5 $6
{Ftacnik} 9. d5 exd5 10. exd5 Nb6 11. Ne5 $44) 9. a4 Rb8 10. a5 (10. Qe2 b5 11.
axb5 axb5 12. Bf4 $44 {Pytel,K-Sydor,A/POL(ch)/1972/}) (10. Bf4 {Ftacnik} b5
11. axb5 axb5 12. Ra7 Ne8 $13) 10... b5 11. axb6 Nxb6 (11... cxb6 $6 12. Bf4
Ra8 13. Nd2 $14 (13. d5 $36 {Ftacnik})) 12. Qe2 (12. Qc2 $5) 12... Bb7 $5 (
12... c5 13. Bf4 Rb7 14. Rfd1 $14 {Taimanov}) 13. Rd1 $44 Bb4 14. Ne5 a5 15.
Bg5 (15. Nxc4 $2 Ba6 $19) 15... h6 16. Bf4 Qe7 17. Na4 (17. g4 $5) 17... Nxa4 (
17... Rbc8 {Ftacnik} 18. Nxb6 cxb6 19. Nxc4 Ba6 20. Rac1 Rfd8 $13) 18. Rxa4 c3
19. bxc3 Bxc3 20. Rc4 Bb4 (20... Ba6 $5 21. Nc6 Qa3 (21... Qd7 $5) (21... Qd7 {
Ftacnik} 22. Nxb8 Rxb8 23. Qd3 Bxc4 24. Qxc4 Bb4 25. Qxc7 Qxc7 26. Bxc7 Rc8 $15
) 22. Nxb8 Rxb8 23. Rxc3 (23. Bxc7 Rc8) (23. Qd3 Bxc4 24. Qxc4 Qb3 $10) 23...
Bxe2 24. Rxa3 Bxd1 $10 {/\ 25...Rb1}) 21. Nc6 Bxc6 22. Rxc6 Rfc8 23. Qc4 (23.
Rdc1 {Ftacnik} Qd7 24. Rxc7 Rxc7 25. Rxc7 Qxd4 26. Rc4 Qa1+ 27. Rc1 Qa3 $1 $17)
(23. e5 {Ftacnik} Nd5 24. Bxd5 exd5 25. Qg4 h5 $1 26. Qxh5 Rb6 $13) 23... Qd7 (
23... Ne8 $6 24. e5 $1 {/\ 25 d5}) 24. h3 (24. Rxc7 Rxc7 25. Qxc7 Qxc7 26. Bxc7
Rc8 27. Bf4 a4 (27... Rd8 $10) 28. d5 exd5 29. exd5 a3 (29... Ne8 $2 30. Rd4
$16) 30. d6 Rd8 $10) 24... a4 25. d5 (25. Rb1 {Ftacnik} a3 $1) 25... exd5 26.
exd5 Bd6 27. Bxd6 cxd6 28. Qxa4 Rd8 (28... Rxc6 $2 {Ftacnik} 29. dxc6 $14) 29.
Qf4 $14 Qe7 30. Bf3 Qe5 31. Qxe5 dxe5 32. d6 Rd7 33. Re1 (33. Rc7 $5 $14) 33...
Rbd8 34. Rxe5 Rxd6 35. Rxd6 Rxd6 36. Re7 Rd7 37. Rxd7 1/2-1/2

[Event "Moscow Nutcracker"]
[Site "Moscow"]
[Date "2014.12.23"]
[Round "4.2"]
[White "Dubov, Daniil"]
[Black "Dreev, Alexey"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2629"]
[BlackElo "2649"]
[Annotator "Pavlovic,M"]
[PlyCount "81"]
[EventDate "2014.12.20"]
[EventType "schev"]
[EventRounds "4"]
[EventCountry "RUS"]
[SourceTitle "CBM 164"]
[Source "ChessBase"]
[SourceDate "2015.01.15"]
[SourceVersion "1"]
[SourceVersionDate "2015.01.15"]
[SourceQuality "1"]
[WhiteTeam "Princes"]
[BlackTeam "Kings"]
[WhiteTeamCountry "RUS"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. g3 Nbd7 6. Bg2 dxc4 7. O-O Be7 8. e4
O-O 9. Bf4 Re8 {A tough line, it seems that Black has many chances for serious
counterplay.} 10. a4 Nf8 {Black has other recourses in this position from
which 10...a5 looks very solid and is popular among strong players.} (10... b6
11. Qe2 (11. d5 exd5 12. exd5 Bb7 13. a5 (13. d6 Bf8 14. Nd2 Ne5 15. Bxe5 Rxe5
16. Nxc4 Rc5 17. b3 Ba6 18. Qf3 Bxc4 (18... Nd7 19. Ne4 Bxc4 20. bxc4 Rxc4 21.
Qf5 Rb8 22. Rfe1 h6 23. Bh3 Nc5 24. d7 $44 {1/2-1/2 (42) Skatchkov,P (2486)
-Smirnov,P (2599) Sochi 2012}) 19. bxc4 Qxd6 $17) 13... bxa5 14. d6 Bf8 15. Nd2
Nb6 16. Nde4 Nxe4 17. Nxe4 Nd5 18. Bg5 f6 $5 (18... Qb6 19. d7 Reb8 20. Qg4 Ba6
21. Nf6+ Nxf6 22. Bxf6 c3 23. Bxc3 $1 Bxf1 24. Bxf1 $36 {1-0 (40) Zontakh,A 
(2521)-Grigoryan,A (2616) Legnica 2013}) 19. Bd2 Bxd6 20. Bxa5 Qd7 21. Qa4 Bf8
22. Qxc4 Kh8 $13) 11... Ba6 12. Rfd1 Rc8 (12... Bb4 13. Rac1 Qe7 14. e5 Nd5 15.
Bg5 Qf8 16. Nd2 Rac8 17. Nxc4 Bxc3 18. bxc3 c5 19. Be4 h6 20. Bd2 Bxc4 21. Qxc4
cxd4 22. Qxd4 Red8 23. Bc2 $13 {1/2-1/2 (23) Issler,D (2587)-Papenin,N (2469)
corr. 2009}) 13. Rac1 h6 14. Nd2 Bf8 15. Nxc4 Nd5 16. Bd2 e5 17. exd5 exd4 18.
Qf1 dxc3 19. Bxc3 cxd5 20. Bxd5 Qc7 21. Qd3 Bxc4 22. Bxc4 Qxc4 23. Qxd7 Re7 $11
{1/2-1/2 (33) Atakisi,F (2351)-Latronico,N (2452) corr. 2009}) (10... a5 {
some recent games don't show any particuar problems for Black:} 11. Qe2 b6 12.
Rfd1 Ba6 13. Nd2 {this is a better try but still doesn't impress} (13. h3 Bb4
14. g4 Qe7 15. g5 (15. Be3 $6 Bxc3 16. bxc3 Nxe4 17. Qb2 Nef6 18. Ne5 Nxe5 19.
dxe5 Nd5 20. Bxd5 exd5 21. Qxb6 Qxe5 $17 {1/2-1/2 (60) Wang,Y (2720)-Gelfand,B
(2743) Beijing 2014}) 15... Nh5 16. Be3 g6 17. e5 $5 (17. Nh2 e5 18. d5 Nc5 19.
dxc6 Bxc3 20. bxc3 Nd3 21. h4 Rac8 $17) 17... Ng7 (17... Bxc3 18. bxc3 Ng7 19.
Nd2 Rac8 20. Ne4 Nf5 21. Bf4 $13) 18. Nd2 Rac8 19. Nde4 Nf5 20. Bf4 {but the
white compensation is not obvious, still it was better than what happened in
that game.}) (13. Qc2 Bb4 (13... Rc8 14. d5 $1) 14. Ng5 h6 (14... Nf8 $5) 15.
e5 hxg5 16. Bxg5 Rc8 17. Qe2 Be7 18. exf6 Nxf6 19. Bf4 Nd5 $15 {1-0 (57)
Ulibin,M (2533)-Thingstad,E (2245) Stockholm 2013}) 13... Bf8 (13... Bb4 14.
Nxc4 Nd5 15. Bd2 Qc7 16. Rac1 Bxc3 17. bxc3 {White looks ok}) 14. h3 Rc8 15.
Be3 e5 (15... Qe7 $5 16. e5 (16. Nxc4 Qb4 17. Bf1 e5 $15 {Black has the
initiative}) 16... Nd5 17. Nde4 Qd8 18. Bg5 Qc7 19. Qg4 $44) 16. Nxc4 exd4 (
16... Qe7 $5 17. b3 Qb4 18. Qc2 Bxc4 19. bxc4 Qxc4 20. dxe5 Rxe5 21. Bf1 Qe6 {
again it is White who has to prove compensation}) 17. Bxd4 Qc7 18. b3 Bc5 19.
Qc2 Bxc4 20. bxc4 Bxd4 21. Rxd4 Nc5 22. Rad1 g6 23. f4 Nh5 24. Kh2 Rcd8 25. e5
$13 {1/2-1/2 (44) Wang,Y (2720)-Ponomariov,R (2714) Beijing 2014}) 11. Bg5 $5 {
White has an interesting idea in mind.} (11. a5 Ng6 12. e5 Nd5 13. Bd2 c5 14.
dxc5 Bxc5 $5 (14... Nxc3 15. Bxc3 Bxc5 16. Nd2 Qc7 17. Nxc4 Rd8 18. Qf3 Rb8 19.
h4 Bd7 20. h5 Bc6 21. Qg4 Bxg2 22. Kxg2 Ne7 (22... Bd4 $2 23. hxg6 Qxc4 24. Qh4
$18 {1-0 (46) Sokolov,I (2643)-Stefansson,H (2557) Aix-les-Bains 2011}) 23.
Rac1 Nf5 24. Nd6 Qc6+ 25. Kg1 Bxd6 26. exd6 Qxd6 27. h6 g6 28. Rfe1 $44) 15.
Ne4 Qc7 $13 16. Rc1 $2 b5 17. axb6 axb6 $17) 11... h6 12. Bxf6 Bxf6 13. e5 Be7
14. Qe2 a5 15. Rfd1 Nd7 (15... Qb6 16. Nd2 $5 Qxd4 (16... Qxb2 17. Qf3 Qb6 18.
Nxc4 Qc7 19. Ne4 Nh7 20. Ned6 Rf8 21. Rab1 Ra6 22. Rb3 $36) 17. Nxc4 Qc5 18.
Ne4 Qb4 19. Ra3 $5 $36) 16. Nd2 $1 Nb6 17. Nce4 Bb4 $6 {A waste of time.} (
17... Qxd4 $2 18. Nf3 $18 {the black queen is trapped in the centre}) (17...
Rf8 $5 18. Nxc4 (18. Qg4 f5 $1 19. exf6 Bxf6 20. Qe2 Bxd4 21. Nxc4 Nxc4 22.
Qxc4 c5 23. Nxc5 Bxf2+ 24. Kh1 Qc7 25. Rac1 Qxc5 26. Qxc5 Bxc5 27. Rxc5 b6 28.
Rc7 Rb8 29. Kg1 e5 30. Re1 Ba6 31. Rxe5 Rbd8 $132) 18... Nxc4 19. Qxc4 Bd7 $14
{the black position is a bit passive but holdable.}) 18. Qg4 $1 Be7 19. h4 Bd7
20. Bf1 $1 Rb8 21. Nxc4 Nxc4 22. Bxc4 b5 23. Bd3 $1 $36 {Although White did
everything well so far in the game, surprisingly tactics that will arise are
far from simple.} bxa4 24. Nc3 Rb4 (24... c5 $5 25. Qe4 g6 26. d5 (26. h5 Rxb2
27. hxg6 f5 28. exf6 Bxf6 29. g7 Bxg7 30. Nxa4 Bxa4 31. Rxa4 cxd4 32. Ra3 $44)
26... exd5 27. Nxd5 Bf5 28. Qc4 Be6 29. Bc2 Rb4 30. Nf6+ Bxf6 31. Rxd8 Bxd8 32.
Qc3 $14) 25. Qe4 g6 26. h5 $16 c5 $1 27. hxg6 f5 28. exf6 {Computers give a
huge advantage to White but things are not that simple.} (28. Qh1 $5 {an
unusual but interesting idea} Kg7 29. d5 Qb6 30. dxe6 Bxe6 31. Qh5 Rf8 32. Nxa4
Qb8 $13) 28... Bxf6 29. g7 Bxg7 30. Qh7+ Kf8 31. Bg6 Rxd4 32. Ne2 (32. Bxe8
Bxe8 33. Qc2 Bc6 34. Nxa4 Kg8 35. Nc3 Qg5 $1 $132) 32... e5 $6 (32... Re7 $1 {
was much better:} 33. Nxd4 Bxd4 34. Qxh6+ Rg7 35. Be4 Qg5 36. Qxg5 Rxg5 37. Kg2
Bxb2 38. Rab1 Bd4 39. Rb8+ Ke7 40. Ra8 $16 Rf5 $1 41. f4 Rf8 42. Ra7 a3 (42...
Kd6 43. Rb1 $1 $18) 43. Rxa5 e5 44. Rh1 $1 $16 {not an easy line for either
side!}) 33. Nxd4 exd4 34. Bxe8 Qxe8 35. Re1 Qf7 36. Qe4 $18 {Two rooks on the
open file will tell.} Kg8 37. Ra3 Bf5 38. Qc6 Bc2 39. Rf3 Qg6 40. Re6 Qg5 41.
Rf7 $1 1-0

[Event "Rohde op 09th"]
[Site "Sautron"]
[Date "2009.10.30"]
[Round "8"]
[White "Koziak, Vitali"]
[Black "Potkin, Vladimir"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "2475"]
[BlackElo "2615"]
[Annotator "Primel,D"]
[PlyCount "61"]
[EventDate "2009.10.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 (4. g3 $142 {la grande ligne de la
Catalane est moins risquée en retardant la sortie du Nb1}) 4... c6 5. g3 Nbd7
6. Bg2 dxc4 $1 {la ligne critique car la Catalane avec un Nc3 précoce impose
souvent de sacrifier le Pc4} 7. O-O (7. a4 $143 Be7 8. O-O O-O 9. e4 e5 $1 {
Topalov,V (2702)-Kasparov,G (2851) Sarajevo Bosnia 30th 2000 (4) 1/2}) 7... Be7
8. e4 $44 {[%csl Gd4,Ge4]} O-O 9. Bf4 Nh5 $1 {[%cal Gh5f4]} ({RR} 9... Re8 10.
a4 a5 11. Qe2 b6 12. Nd2 Ba6 13. Nxc4 Bf8 14. Rfd1 Nd5 15. Bc1 Nxc3 16. bxc3
Ne5 17. dxe5 Bxc4 18. Rxd8 Bxe2 19. Rxe8 Rxe8 20. Be3 Bc5 21. Bxc5 bxc5 22. Bf1
Bf3 23. Bg2 Be2 24. Bf1 {Ponomariov,R (2741)-Harikrishna,P (2673)/Montcada
2009/Mega2009 Update 37/1/2-1/2}) (9... a5) (9... b5 {La grande ligne} 10. d5
$5) 10. Be3 {Dans certaines variantes de la Catalane, les blancs laissent
prendre en f4 le Bf4 mais dans cette position, ils ont déjà joué e4 et cet
échange Nf4 serait favorable aux noirs.} Nhf6 11. Bf4 Nh5 12. Be3 Nhf6 13. Bf4
Nh5 14. Be3 Nhf6 15. Bf4 Nh5 16. Be3 Nhf6 17. Bf4 Nh5 18. Be3 Nhf6 19. a4 (19.
Nd2 $5 {[%cal Gd2c4]} b5 (19... Nb6) 20. a4 b4 21. Ne2 Ba6 (21... Ng4 22. Nxc4
Nxe3 23. Nxe3 $14 {[%csl Rb4,Rc6]}) 22. Rc1 Rc8 23. Nxc4 c5 24. d5 {[%cal
Gd5d6]}) 19... e5 $1 20. dxe5 (20. d5 $5 Ng4 21. Bd2 (21. d6)) 20... Ng4 21.
Bf4 Qa5 $11 {[%cal Gd7e5,Gg4e5,Ga5e5]} 22. Qd4 (22. e6 fxe6 23. Qe2 Nge5 24.
Nxe5 Nxe5 25. Bxe5 Qxe5 26. Kh1 g5 27. Rad1 b5 28. f4 gxf4 29. gxf4 Rxf4 30.
Rxf4 Qxf4 31. e5 Rb8 32. Be4 b4 33. Rg1+ Bg5 34. Qh5 {1-0 Miton,K (2595)
-Marcelin,C (2495)/Clichy 2009/Mega2009 Update 11}) 22... Rd8 23. Qxc4 Ndxe5
24. Qe2 Nxf3+ 25. Bxf3 Ne5 26. Bxe5 Qxe5 27. Rfd1 Bh3 (27... Be6) 28. Bg4 Bxg4
29. Qxg4 Qe6 30. Qxe6 fxe6 31. Kf1 1/2-1/2

[Event "Sautron op 16th"]
[Site "Sautron"]
[Date "2016.10.22"]
[Round "2.3"]
[White "Zubarev, Alexander2"]
[Black "Delorme, Alban"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "2525"]
[BlackElo "2316"]
[Annotator "RR"]
[PlyCount "84"]
[EventDate "2016.10.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]
[WhiteClock "0:08:59"]
[BlackClock "0:45:54"]

1. d4 {[%emt 0:00:26]} d5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:21]} Nf6 {
[%emt 0:00:28]} 3. c4 {[%emt 0:00:05]} e6 {[%emt 0:00:19]} 4. g3 {[%emt 0:00:
11]} Be7 {[%emt 0:01:08]} 5. Bg2 {[%emt 0:00:05]} O-O {[%emt 0:00:22]} 6. Nc3 {
[%emt 0:00:06] Une ligne ambitieuse car le P"c4" est plus difficile à
récupérer} (6. O-O {La grande ligne}) 6... c6 {[%emt 0:07:13][%cal Gd5c4]} (
6... dxc4 {La ligne critique} 7. O-O Nc6 (7... Nbd7 8. e4 c6 9. Bf4 Nh5 10. Be3
Nhf6 11. a4 e5 $13) 8. e3 Rb8 {[%cal Gb7b5]}) 7. O-O {[%emt 0:05:05]} b6 {
[%emt 0:03:47]} (7... Nbd7) (7... dxc4 8. Ne5 {[%cal Ge5c4]}) 8. b3 {[%emt 0:
03:22]} (8. Ne5) (8. Bf4) 8... Nbd7 {[%emt 0:03:04]} (8... Ba6 9. Qd3 $14 {
[%cal Ge2e4]}) 9. Qd3 $5 {[%emt 0:11:48][%cal Ge2e4,Gd3c4]} (9. Bb2) (9. Qc2
Ba6 10. Rd1 dxc4 11. bxc4 Bxc4 12. Ne5 Nxe5 13. dxe5 Nd5 14. Bb2 $44 {[%cal
Ge2e4]}) 9... Bb7 {[%emt 0:03:44]} (9... Ba6 10. Rd1 (10. e4 dxc4 11. bxc4 e5 {
Illustrant le problème de jouer e4 au bon moment}) 10... c5 (10... Rc8) 11.
Nb5 $5 (11. Bb2 Rc8 12. Nb5) 11... Bxb5 12. cxb5 {[%csl Ra7]} a6 13. bxa6 Qc8
14. Bb2 Qxa6 15. Qxa6 Rxa6 16. a4 Rc8 17. Rdc1 Ne4 18. e3 Ra7 19. Bf1 f5 20.
Rc2 g5 21. dxc5 bxc5 22. Nd4 Kf7 23. Nb5 Raa8 24. f3 Nef6 25. a5 g4 26. f4 Nb8
27. Be5 Nc6 28. Nd6+ Bxd6 29. Bxd6 Ne4 30. Bxc5 Rxa5 31. Rac1 Rb8 32. Bd6 Nxd6
33. Rxc6 Ne8 34. Rb1 Rb4 35. Ra6 Rxa6 36. Bxa6 Nd6 37. Bd3 Kf6 38. Kf2 e5 39.
fxe5+ {Wojtaszek,R (2733)-Adams,M (2740) Biel 2015 1/2-1/2}) 10. Rd1 {[%emt 0:
14:51][%cal Gd1d8]} Rc8 {[%emt 0:07:42]} 11. Bb2 {[%emt 0:04:07]} Re8 $6 $146 {
[%emt 0:04:35] Un coup passif} (11... dxc4 12. bxc4 c5 13. d5 exd5 14. cxd5 Re8
15. e4 c4 16. Qc2 Bb4 17. Rd4 Bc5 18. Rd2 Bb4 19. Rd4 Bc5 20. Rdd1 Ng4 21. Nd4
Nge5 22. Na4 Bf8 23. f4 Nd3 24. e5 N7c5 25. Nc3 b5 26. d6 Bxg2 27. Qxg2 b4 28.
Nd5 c3 29. Bc1 a5 30. Qf3 Nxc1 31. Raxc1 Qd7 32. Nb6 Qa7 33. Nxc8 Rxc8 34. Kg2
Qd7 35. Qd5 a4 36. f5 Na6 37. e6 fxe6 38. Nxe6 Kh8 39. Ng5 h6 40. Nf7+ Kh7 41.
Ne5 {Hou,Y (2673)-Kravtsiv,M (2563) Bastia 2014 0-1 (63)}) (11... Qc7 12. e4 (
12. Rac1) 12... c5 13. exd5 exd5 14. cxd5 Nxd5 15. Nxd5 Bxd5 16. Rac1 {[%cal
Gc1c7]}) 12. e4 {[%emt 0:07:59]} dxe4 {[%emt 0:02:27]} 13. Nxe4 {[%emt 0:00:17]
} Qc7 {[%emt 0:03:50]} 14. Nc3 $1 {[%emt 0:17:44] Les Blancs ont un avantage
d'espace et il vaut mieux éviter les échanges} Rcd8 {[%emt 0:05:11]} (14...
c5 15. d5 $14) 15. Rd2 {[%emt 0:10:37]} (15. Rac1) (15. Qe2 {[%csl Ge5]} Bf8
16. Ne5 $14) 15... Bb4 {[%emt 0:02:12]} 16. Re2 {[%emt 0:14:02]} e5 $132 {
[%emt 0:02:24]} 17. Qc2 {[%emt 0:02:45]} exd4 {[%emt 0:01:18]} 18. Rxe8+ {
[%emt 0:00:23]} Rxe8 {[%emt 0:01:26]} 19. Nxd4 {[%emt 0:00:04]} a6 {[%emt 0:03:
41]} (19... c5 20. Nf5 Bxg2 21. Kxg2) 20. Nf5 {[%emt 0:01:24]} Bf8 {[%emt 0:00:
41]} 21. Ne4 {[%emt 0:01:53]} Nxe4 {[%emt 0:01:13]} 22. Bxe4 {[%emt 0:00:04]}
Ne5 {[%emt 0:00:22]} 23. Ne3 {[%emt 0:00:34]} g6 {[%emt 0:00:47]} (23... c5 24.
Nd5 {[%csl Gd5]}) 24. Rd1 {[%emt 0:01:11]} Bg7 {[%emt 0:03:06]} 25. Bg2 {
[%emt 0:01:12]} Qe7 {[%emt 0:02:24]} 26. Bd4 {[%emt 0:01:35]} c5 {[%emt 0:02:
49]} 27. Bxe5 {[%emt 0:00:10]} Bxe5 {[%emt 0:00:10]} 28. Bxb7 {[%emt 0:00:27]}
Qxb7 {[%emt 0:00:06]} 29. Nd5 $16 {[%emt 0:00:38][%csl Gd5]} Bd4 {[%emt 0:00:
02]} 30. Qd3 {[%emt 0:00:54]} (30. Rxd4 cxd4 31. Nf6+ Kf8 32. Nxe8 Kxe8 33.
Qe2+) 30... Qc6 {[%emt 0:02:14]} 31. Qf3 $1 {[%emt 0:00:25][%cal Gd5f6,Gf3c6]}
Kg7 {[%emt 0:00:23]} 32. Kg2 {[%emt 0:00:29]} (32. h4 {[%cal Gh4h5]}) 32... Re5
{[%emt 0:00:39]} 33. Rd2 {[%emt 0:00:21]} Qe6 {[%emt 0:01:40]} 34. a4 {[%emt 0:
00:43]} g5 {[%emt 0:02:02] Très risqué} 35. h3 {[%emt 0:00:28]} (35. b4 $5 {
[%cal Gd2d4,Gb4b5]} g4 36. Qf4 f5 37. b5 $14) 35... f5 {[%emt 0:02:26]} 36. Nc7
{[%emt 0:00:17]} Qd7 {[%emt 0:00:25]} 37. Nd5 {[%emt 0:00:28]} Qe6 {[%emt 0:01:
17]} 38. Nc7 {[%emt 0:00:27] Une répétition de coups pour gagner du temps
avec l'incrément} Qd7 {[%emt 0:00:04]} 39. Nxa6 {[%emt 0:00:31]} g4 {[%emt 0:
00:18]} 40. hxg4 {[%emt 0:00:00]} fxg4 {[%emt 0:00:00]} 41. Qa8 {[%emt 0:16:31]
} Qf7 {[%emt 0:04:13]} 42. f3 $2 {[%emt 0:07:01] Il y a souvent une
déconcentration après avoir passé le contrôle de temps et cette partie en
est un nouvel exemple.} Re1 {[%emt 0:12:47]} 0-1

[Event "Reggio Emilia 0001 43th"]
[Site "Reggio Emilia"]
[Date "2001.01.06"]
[Round "8"]
[White "Vezzosi, Paolo"]
[Black "Efimov, Igor"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "2421"]
[BlackElo "2520"]
[Annotator "Rabinovich,Al"]
[PlyCount "118"]
[EventDate "2000.12.30"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ITA"]
[EventCategory "8"]
[SourceTitle "CBM 081"]
[Source "ChessBase"]
[SourceDate "2001.03.20"]
[SourceVersion "1"]
[SourceVersionDate "2001.03.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 c6 {Not such a popular move this
days.And we can see why.Black doesn't get any serious counterplay,while white
enjoys of free play in the center.} (5... Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 c6 8. Qc2
d5 9. Nbd2 Nbd7 10. Bg2 c5 11. O-O O-O 12. e4 cxd4 13. exd5 exd5 14. Nxd4 Rc8
15. Rfe1 g6 16. Rac1 b5 $11 {1-0 Gelfand,B-Psakhis,L/Haifa ISR 2000 (37)}) (
5... d5 6. cxd5 exd5 7. Bg2 Bb4+ 8. Bd2 Bd6 9. Nc3 Nbd7 10. Nh4 Bb7 11. Nf5 Bf8
12. O-O g6 13. Nh6 Be7 14. f4 $16 {1-0 Shneider,A-Rogovski,V/Ordzhonikidze UKR
2000/The Week in Chess 295 (33)}) (5... b5 6. cxb5 Bxb5 7. Bg2 d5 8. O-O Nbd7
9. Nc3 Ba6 10. Na4 Bd6 11. Bb2 Bb5 12. Nc3 Ba6 13. Rc1 O-O 14. Na4 Qe7 15. Qc2
Ne4 16. Ne5 f5 17. f3 Nef6 18. Rfe1 Bb5 19. Nc3 Ba6 20. Nxd7 Qxd7 21. Na4 Rae8
22. Nc5 $14 {1/2-1/2 Lputian,S-Gelashvili,T/Yerevan ARM 2000/The Week in Chess
292 (58)}) 6. Bg2 d5 7. O-O Nbd7 8. Nbd2 Rc8 $6 {Not such a good move.Better
was 8...Be7 9.Bb2 0-0 10.Re1 c5} 9. Bb2 Be7 10. Re1 O-O 11. e4 $14 c5 (11...
dxe4 12. Nxe4 Nxe4 13. Rxe4 c5 14. Qe2 Nf6 15. Re3 $14) 12. e5 Ne8 13. cxd5 (
13. Rc1 Nc7 $11) 13... exd5 14. Bh3 {White B finds good place on h3} Nc7 15.
Nf1 $1 {[%cal Gf1e3,Ye3f5,Ye3d5]} c4 (15... Re8 16. Ne3 Bb7 $14 {[%cal Gc7e6]})
16. bxc4 Bxc4 (16... dxc4 $5 17. d5 (17. Rc1 Bb4 18. Re4 Bb7 19. Rh4 Be7 20.
Rg4 h5 21. Rh4 Bxf3 (21... Bxh4 22. Nxh4 {[%cal Gd1h5]} g6 23. e6 Nxe6 24. Bxe6
fxe6 25. Nxg6 Rf5 26. Ba3 $44 {[%cal Gg6e7]}) 22. Qxf3 Bxh4 23. gxh4 b5 24.
Qxh5 $44 {[%csl Gb2,Rg8,Gh3][%cal Gf1e3,Ge3f5]}) 17... Bb4 18. Re3 Bc5 19. Re4
(19. Re1 Bb7 20. d6 Ne6 21. Ne3 Bb4 $17) 19... Bb7 $15) 17. a3 Ne6 (17... b5)
18. Ne3 b5 19. Nf5 Nb8 $6 (19... Nb6 $13 {[%cal Gb6a4]}) 20. Nd2 {[%cal Gd1g4]}
Nc6 (20... Bd3 {Since white B on b2 is not coming into the game soon,black had
just to exchange the white N on f5.White has no attacking chances without the
N.}) 21. Qg4 {[%cal Gf5h6,Gh6f7,Gg4e6]} Kh8 22. Re3 {[%cal Ge3f3] This move
brings the R to the game and also prevents Bd3.} g6 (22... Bg5 23. f4 Be7 {
[%csl Rd4]} 24. Nf3 {[%cal Gf5h4,Gf4f5]}) 23. Nh6 (23. Nxe7 Qxe7 $14 {[%csl
Rd6,Rf6,Rh6]}) 23... Qe8 $2 (23... Bg5 $5 24. Nxf7+ Rxf7 25. Nxc4 (25. Qxe6
Bxe3 26. fxe3 Rcc7 27. Bg2 Qe7 28. Qxe7 Nxe7 29. Rc1 $44 {[%cal Ge3e4]}) (25.
f4 $5 Bxf4 (25... Ncxd4 26. Bxd4 Nxd4 27. Qxc8 Nc2 28. Rae1 Qxc8 29. Bxc8 Nxe3
30. Rxe3 (30. fxg5 Nc2 31. e6 Nxe1 32. exf7 Kg7 33. Be6 Nd3 $17) 30... Be7 31.
Nxc4 bxc4 32. Kf1 Bc5 33. Re1 Rc7 34. Be6 c3 35. Re2 Bxa3 36. Rc2 d4 $15 {
[%cal Gf1e2,Ge2d3] Since white will block black pawns,it seems like he will
hold the position.}) 26. gxf4 Re7 27. Qh4 Rf7 28. Qg4 Re7 29. Nf3 $36 {[%cal
Gf3g5]}) 25... bxc4 26. Qxe6 Bxe3 27. fxe3 Rcc7 $15) 24. Nxf7+ Qxf7 25. Rf3 $18
{Black probably missed this move.} Qf5 {Black decides instead of playing lost
ending,to sacrafise the Q and to wait for oponent's mistakes.} (25... Be2 26.
Qxe6 Bxf3 27. Qxf7 Rxf7 28. Bxc8 $18) 26. Rxf5 gxf5 27. Qd1 Ncxd4 {Another"
unclear" sacrafise.With correct play from white the game should end very soon.}
28. Bxd4 Nxd4 29. Nxc4 Rxc4 30. Bf1 Bc5 31. Bxc4 dxc4 {White should activate
the Q and to bring the R in the game.} 32. Kg2 f4 33. Qh5 f3+ (33... fxg3 34.
hxg3 Nc2 35. Rf1 {[%cal Ge5e6]}) 34. Kh3 c3 35. e6 {[%cal Gh5c5]} Rf5 36. Qe8+
Kg7 37. Qd7+ Kg6 38. g4 (38. e7 $142 Rh5+ 39. Kg4 Rg5+ 40. Kf4 $18) 38... Re5
39. Qf7+ Kg5 40. Qg7+ Kf4 41. Qf6+ $6 {White looses it,he can't find the plan
for winning.One strong player said ones :"If you have material advantage you
must attack".This sentence correct also about this position.} (41. Qh6+ $1 Ke4
42. Re1+ Ne2 43. Qxh7+ Kd5 44. Qd7+ Kc4 45. Qf7 Kd4 46. Rd1+ Ke4 47. Qg6+ Kf4
48. e7 Bxe7 49. Qh6+ Rg5 (49... Ke4 50. Qe3#) (49... Bg5 50. Qf8+ Ke4 51. Qb4+
Nd4 52. Qxd4#) 50. Rd7 $18) 41... Ke4 42. Re1+ Ne2 43. g5 Bxf2 44. Rf1 (44.
Rxe2+ fxe2 45. Qxf2 Kd3 46. Qg3+ Re3 47. Qxe3+ Kxe3 48. e7 e1=Q 49. e8=Q+ Kd2
$19) 44... c2 {Black every move finds some ideas to confuse the oponent,luckly
it works.} 45. Kg4 $2 {It is like white doesn't want to win,almost every move
he makes mistakes.} (45. e7 c1=Q 46. Rxc1 Nxc1 47. Qxe5+ Kxe5 48. e8=Q+ {
With an easy win.}) 45... Bc5 46. Qxf3+ Kd4 47. Qb3 c1=Q 48. Rxc1 Nxc1 49. Qb2+
Kd5 50. Qxc1 Rxe6 51. Qd1+ {Still after what happened in the game what should
win.} Kc6 52. Kf5 (52. Qf3+ Kb6 53. Qd3 {[%cal Gd3a3,Gd3h7]} Re7 54. h4 {
[%cal Gh4h5]}) 52... Re3 $132 {[%cal Ge3a3,Gc5a3]} 53. a4 (53. Qh5 $1 Re7 54.
h4 Bxa3 $4 55. Qf3+) 53... b4 {I imagine what black felt here.In compare to
the position he had 10 moves,this one looks like a dream.} 54. Qf1 (54. h4 $142
) 54... b3 55. Qg2+ (55. Qb5+ Kd6 56. Qb8+ Kc6 57. Qg8 Rh3 58. Kg4 Rxh2 59.
Qxb3 $18) 55... Kd6 56. Qd2+ Kc6 57. h4 Rf3+ 58. Ke6 Re3+ 59. Kf5 Rf3+ {
[%mdl 12736] White decided to save half a point,although his position is still
better with good chances to win,but after the game full of blunders ,who
wouldn't?} 1/2-1/2

[Event "Moscow Aeroflot op-A1"]
[Site "Moscow"]
[Date "2008.02.16"]
[Round "3"]
[White "Al Sayed, Mohammed"]
[Black "Pashikian, Arman"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "2486"]
[BlackElo "2556"]
[Annotator "Reeh,O"]
[PlyCount "70"]
[EventDate "2008.02.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 123"]
[Source "ChessBase"]
[SourceDate "2008.04.02"]
[SourceVersion "1"]
[SourceVersionDate "2008.04.02"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Bd2 Be7 6. Bg2 c6 7. O-O O-O 8. Qb3
Nbd7 9. Bf4 b6 10. Nc3 Bb7 11. Rfd1 Nh5 12. Ne5 Nxe5 13. dxe5 Nxf4 14. gxf4 f5
15. e3 Kh8 16. Ne2 Rg8 17. Nd4 Qd7 18. cxd5 cxd5 19. Kh1 Rac8 20. Qd3 Rc5 21.
Qe2 a5 22. a3 Bc8 23. b4 Rc7 24. Rdb1 Rc4 25. Qd2 Bd8 26. h3 Qe7 27. bxa5 bxa5
28. Rb8 Bc7 29. Ra8 a4 30. Qb2 g5 31. Ne2 $2 {White had to counter Black's
pressure in the g-file immediately. Weiß musste unbedingt sofort in der
g-Linie gegenhalten.} (31. Rg1 $1 {was okay, when Black should not be too
optimistic: war okay, wonach Schwarz nicht zu optimistisch sein sollte:} gxf4
$2 {Opening the g-file... for whom? Öffnet die g-Linie... für wen?} {[%tqu
"En","With 31...gxf4 Black has just opened the g-file for his rook. How do you
react?","For HIS rook?","Try to swap the piece which keeps the black camp
together!","g2d5","Boom!  This hammerblow forces the exchange of rooks in the
g-file, after which there is just too much hanging in Black's camp - c4, c8,
e6, f5...",15,"De","Mit 31...gxf4 hat Schwarz gerade die g-Linie für seinen
Turm geöffnet. Wie reagieren Sie?","Für SEINEN Turm?","Versuchen Sie, die
Figur zu tauschen, welche das schwarze Lager zusammenhält!","g2d5","Bumm! 
Dieser Hammerschlag erzwingt den Turmtausch in der g-Linie, wonach im
schwarzen Lager einfach zu viel hängt - c4, c8, e6, f5...",15]} 32. Bxd5 $1 {
and White wins - after the exchange of rooks in the g-file there is just too
much hanging in Black's camp (c8, c4, e6, f5...) und Weiß gewinnt - nach dem
Turmtausch in der g-Line hängt im schwarzen Lager einfach zu viel (c8, c4, e6,
f5...).}) 31... gxf4 32. Nxf4 (32. exf4 Qc5 {is also very unpleasant. ist
ebenfalls sehr unangenehm.}) 32... Qg7 $1 {Now the tables have turned. Damit
hat sich das Blatt gewendet.} 33. Rg1 Bxe5 34. Qb6 {Allowing a drastic finish,
but White's position was lost anyway. Erlaubt ein drastisches Finale, aber
Weiß stand so oder so auf verlorenem Posten.} Bxf4 35. exf4 {[%tqu "En","Black
to play and win.","Beachten Sie die Motive: Deflection , Mate combination ,
Mate threat.","","c4c1","Deflecting the only defender of the Bg2.",10,"De",
"Schwarz zieht und gewinnt.","","","c4c1","Lenkt den einzigen Verteidiger des
Lg2 ab.",10]} Rc1 $1 {and Black triumphs in the g-file. und Schwarz
triumphiert in der g-Linie.} 0-1

[Event "Corus"]
[Site "Wijk aan Zee"]
[Date "2000.01.20"]
[Round "5"]
[White "Kramnik, Vladimir"]
[Black "Lputian, Smbat G"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2758"]
[BlackElo "2605"]
[Annotator "Ribli,Z"]
[PlyCount "99"]
[EventDate "2000.01.15"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "18"]
[SourceTitle "CBM 075"]
[Source "ChessBase"]
[SourceDate "2000.04.05"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.05"]
[SourceQuality "1"]

1. d4 {Hecht} d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. g3 {Eine seltene Zugfolge -
die traditionellen Alternativen sind 5.Bg5 und 5.Bf4.} Nbd7 (5... O-O 6. Bg2
dxc4 7. Ne5 Nc6 {Das ist die prinzipielle Alternative, hier opfert Schwarz
einen Bauern (nach 8.Bxc6 bxc6 9.Nxc6 ist der c4P nicht zu halten) und bekommt
aktives Gegenspiel.}) 6. Bg2 O-O (6... dxc4 7. Nd2 (7. Qa4) 7... Nb6 8. Nxc4
Nxc4 9. Qa4+ $14) 7. O-O {Mit dieser Fortsetzung opfert Weiß den Pc4.} (7. Qb3)
(7. b3) 7... dxc4 8. e4 a6 {Kramnik spielt diese Variante mit beiden Farben.
In zwei früheren Partien spielte er bereits 8...c6, was - meiner Meinung nach
- die beste Fortsetzung ist.} (8... c6 $5 9. a4 e5 $5 10. dxe5 Ng4 11. Bf4 Qa5
12. e6 (12. Qd4 Rd8 13. Qxc4 Ndxe5 14. Nxe5 Nxe5 15. Qb3 b6 16. Rfd1 Bg4 {
0-1 Hudecek,J-Stern,R/Pardubice 1996/CBM 55 ext (42)}) (12. Qd2 Bb4 13. e6 fxe6
14. Bd6 Bxd6 15. Qxd6 Nde5 16. Nxe5 Nxe5 17. Qd4 Rd8 18. Qe3 Nd3 19. e5 Qxe5 {
0-1 Hausner,I-Kramnik,V/Germany 1993/GER-chT (49)}) 12... fxe6 13. Qe2 (13. Ng5
Nde5 14. Qe2 h6 15. Nh3 Bd7 16. Kh1 Be8 17. Bd2 Bh5 18. f3 Nf6 19. Nf4 Bf7 20.
Ncd5 Qd8 21. Nxe7+ Qxe7 22. Bc3 Ned7 {0-1 Skatchkov,P-Evseev,D/Tula 1999/EXT
2000 (50)}) 13... Nge5 14. Nd4 Nd3 $1 15. Nxe6 Rf6 16. Bc7 Qb4 17. Nd4 (17. Nf4
Qxb2 18. Qxb2 Nxb2 19. e5 $132) 17... Bc5 $1 {0-1 Topalov,V-Kramnik,V/Linares
1997/Inf 69/[Kramnik,V] (33)}) (8... c5 9. d5 $36) 9. a4 Rb8 (9... c5 10. d5
exd5 11. exd5 (11. e5 $5) 11... Nb6 12. Ne5 Bd6 13. f4 a5 14. h3 Re8 15. Nb5
Bxe5 16. fxe5 Rxe5 17. Bf4 Rxd5 18. Qe2 Rd7 19. Qf2 Nbd5 20. Be5 Ra6 21. Qxc5
Re6 22. Bd4 Ne4 23. Bxe4 Rxe4 24. Rae1 Rxe1 25. Rxe1 Re7 26. Rxe7 Nxe7 27. g4
Nc6 {0-1 Mochalov,E-Nielsen,P/Minsk 1993/CBM 36 (59)}) 10. a5 {Schwarz möchte
b7-b5 ziehen, um den Pc4 zu verteidigen. Weiß hingegen muss diesen Spielplan
durchkreuzen.} (10. Nd2 b5 11. e5 Nd5 12. Bxd5 exd5 13. Nxd5 Bb7 14. Nxe7+ Qxe7
15. Nf3 Qe6 16. Be3 Qd5 {0-1 Gruenberg,R-Stelting,T/GER-N chT 7879 1979/EXT 99
(16)}) 10... b5 11. axb6 Nxb6 (11... cxb6 $6 12. Bf4 Ra8 13. Nd2 $14 (13. d5
$36 {Ftacnik})) 12. Qe2 {Weiß hat dank seines starken Bauernzentrums
Raumvorteil, zudem besitzt Schwarz einen Doppelbauern auf der c-Linie.
Prinzipiell hat Weiß ausreichende Kompensation für den Bauern.} Bb7 (12... c5
13. Bf4 Rb7 14. Rfd1 $14 {Taimanov}) 13. Rd1 Bb4 14. Ne5 {Endlich macht sich
Weiß daran, den Pc4 zurück zu gewinnen - mit besserem Spiel.} a5 {[%cal Gb7a6,
Ga6e2]} 15. Na2 $146 (15. Bg5 h6 16. Bf4 Qe7 17. Na4 Nxa4 18. Rxa4 c3 19. bxc3
Bxc3 20. Rc4 Bb4 21. Nc6 Bxc6 22. Rxc6 Rfc8 23. Qc4 $44 {1/2-1/2 Ulibin,
M-Aseev,K/Elista 1994/CBM 44/[Moiseev] (37)}) (15. Bf4 Nfd7 16. Nf3 Rc8 17. Na2
Bd6 18. Bd2 Ra8 19. Nc3 Bb4 20. Bg5 Qc8 21. Na2 c5 22. Rac1 cxd4 23. Nxb4 axb4
24. Nxd4 Qc5 25. Be3 Qe7 26. Nb5 Ra2 {1/2-1/2 Skatchkov,P-Brodsky,M/Nizhnij
Novgorod 1998/EXT 2000 (46)}) 15... Ra8 (15... Be7 $5 {Mit 16.Nc3 könnte Weiß
Zugwiederholung anstreben. Es ist fraglich, ob er hier mehr hat.}) 16. Bg5 Be7
17. Nxc4 {Weiß hat keine Angst vor der möglichen Fesslung auf der Diagonalen
a6-f1.} (17. Nc3 $5) 17... Ba6 {Schwarz muss das Spiel verkomplizieren, sonst
muss er sich in eine passive Stellung ohne Gegenspiel fnden.} 18. b3 a4 $13 19.
Bxf6 (19. Nc3 axb3 20. Rxa6 Rxa6 21. Ne5 Qa8 $19 (21... Ra3 22. Nc6 Qd7 23.
Nxe7+ Qxe7 24. e5 Qb4 $17)) 19... axb3 (19... Bxf6 20. Nb4 $14) 20. Qg4 Bxf6
21. Nxb6 cxb6 (21... Rb8 22. e5 Be7 23. Nb4 $5 (23. Na4 bxa2 24. Rxa2 Bc4 $44)
23... Bxb4 24. Rxa6 Rxb6 25. Rxb6 cxb6 26. d5 $36) 22. e5 Be7 23. d5 {[%mdl 64]
Weiß verscmäht das Schlagen auf a8, sondern opfert Material für aktives Spiel.}
(23. Bxa8 Qxa8 24. Nc3 b2 25. Rab1 (25. Ra2 Rc8) 25... Qc6 {[%cal Ga6b7,Gb7h1,
Rc6c3]} 26. Ne4 Bb7 27. f3 Qc2 $13) 23... exd5 24. Bxd5 bxa2 25. Rxa2 {Weiß
hat eine Figur weniger, aber Schwarz muss etwas Material zurückgeben.} (25.
Bxf7+ Rxf7 26. Rxd8+ Rxd8 $19) 25... Qb8 26. Bxa8 Qxa8 27. Rd7 (27. Rda1 $2 Qc8
$19) 27... h5 28. Qf4 (28. Qxh5 Qc6 29. Rxe7 Qc1+ 30. Kg2 Bf1+ 31. Kf3 Qd1+ $19
) 28... Re8 29. Ra1 {[%cal Ga1a8]} Qc8 (29... b5 $5 30. Qd4 Qc6 31. Rxa6 Qxa6
32. Rxe7 Rxe7 33. Qd8+ Kh7 34. Qxe7 Qe6 $15) 30. e6 $1 fxe6 31. Rc7 Qd8 $2 (
31... Qa8 $5 32. Qa4 Bf6 (32... Qd8 33. Qc6 Bc8 34. Ra8) 33. Ra7 (33. Qxa6 Bxa1
34. Ra7 Qf3 35. Qxa1 e5 $15) 33... Qc8 (33... Qxa7 34. Qxe8+ Kh7 35. Qxh5+ $11)
34. Qxa6 Bxa1 35. Qxa1 e5 36. Qb1 Qc6 37. Qf5 Rf8 38. Qxe5 Qc1+ 39. Kg2 Qc6+
$11) 32. Rxa6 Rf8 33. Qc4 $16 {Schwarz behält nur einen Bauern für die
Qualität. Die weißen Figuren stehen sehr aktiv.} Qd1+ 34. Qf1 Qxf1+ 35. Kxf1 {
[%mdl 4096]} Bc5 {Hecht: '[#] '} 36. f4 g5 (36... e5 {Hecht} 37. Raa7) (36...
Bd4 {Hecht} 37. Rd7 e5 (37... Bf6 38. Rxb6 e5 39. f5 (39. Ke2 exf4 40. gxf4 $16
{und wir hätten ein nettes Gegenstück zur Nr. 41. Ein Gewinnweg müsste erst
noch gefunden werden. Im Falle von g6 hätte Weiß immerhin den Hebel f5.}) 39...
Bg5 40. Rxg7+ Kxg7 41. Rg6+ Kh7 42. Rxg5 Kh6 43. h4 Ra8 44. Rg6+ Kh7 45. Re6
Ra1+ 46. Kg2 Ra2+ 47. Kh3 Rf2 48. Rxe5 Kg7 $14) 38. Raa7 Kh8 39. Rxg7 exf4 40.
Rgf7 Rxf7 41. Rxf7 fxg3 42. hxg3 $18 {[%csl Rh5][%cal Rf7f5]}) 37. Raa7 Bd4 38.
Rd7 Bh8 39. Ra4 e5 40. f5 Rxf5+ 41. Ke2 Bg7 42. Ra6 b5 43. Rb6 g4 44. Ke3 Kh7
45. Ke4 Rg5 46. Rxb5 Kg6 47. Rbb7 Bf6 48. Rh7 h4 (48... Rf5 {Hecht} 49. Rh6+
Kxh6 50. Kxf5 Bg7 (50... Bd8 51. Rd7 Ba5 52. Rd6+ Kh7 53. Kg5 $18) 51. Rb6+ Kh7
52. Kg5 {[%csl Rg4,Rh5]}) (48... Bd8 {Hecht} 49. Rbg7+ Kf6 50. Rd7 Kg6 51.
Rhg7+ Kh6 52. Rgf7 Ba5 (52... Rg8 53. Rd6+ Kg5 54. Rf5#) (52... Kg6 53. Rf2 Ba5
54. Ra2 $18)) 49. Rxh4 Bg7 50. Ra7 1-0

[Event "Enghien les Bains"]
[Site "Enghien les Bains"]
[Date "2003.06.22"]
[Round "9"]
[White "Gelfand, Boris"]
[Black "Bauer, Christian"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2700"]
[BlackElo "2582"]
[Annotator "Ribli,Z"]
[PlyCount "83"]
[EventDate "2003.06.13"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "FRA"]
[EventCategory "17"]
[SourceTitle "CBM 096"]
[Source "ChessBase"]
[SourceDate "2003.09.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.09.25"]
[SourceQuality "1"]

1. d4 {Ftacnik} Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ {Dieses Zwischenschach ist
heutzutage auf Großmeisterebene sehr beliebt - die schwarze Idee besteht in
der Provokation des Zuges 5.Bd2, nach dem - in der geschlossenen Variante -
Weiß den Läufer nicht mehr mit b3, Bb2 entwickeln kann.} 5. Bd2 Be7 6. Nf3 O-O
7. O-O c6 8. Qb3 {Der Textzug ist gut spielbar, dennoch trifft man häufiger
auf 8.Qc2.} Nbd7 9. Bf4 (9. Bb4 b6 10. Bxe7 Qxe7 11. Nc3 Bb7 12. Rac1 Rac8 13.
Rfd1 dxc4 14. Qxc4 c5 15. Ne1 Bxg2 16. Nxg2 cxd4 {1/2-1/2 Andersson,U-Jussupow,
A/Germany 2003/CBM 94 (16)}) (9. Nc3 Nb6 $132) 9... Nh5 {Der Springerzug ist
ein zwar ein übliches Motiv in der Variante 4...Bb4+ 5.Bd2, aber in dieser
konkreten Variante gefällt es mir nicht. Besser wäre es, entweder die
Entwicklung mit 9...b6 fortzusetzen oder den Springer auf e4 zu postieren.} (
9... Ne4 10. Nc3 g5 11. Be3 Nd6 (11... f5 12. Rad1 h6 $13) 12. cxd5 cxd5 13.
Rad1 Nc4 14. Bc1 f5 15. h3 Ndb6 16. g4 f4 17. e4 Bd7 18. Rfe1 {1-0 Piket,J-Van
der Wiel,J/Amsterdam 2000/CBM 77 ext (26)}) (9... b6 10. Nc3 Bb7 11. Rac1) 10.
Be3 (10. Nc3 Nxf4 11. gxf4 Qb6 12. Rab1 Nf6 13. e3 Rd8 14. Qc2 dxc4 15. Ne5 Qa6
16. Qe2 c5 17. dxc5 Bxc5 18. Nxc4 Bb4 {1/2-1/2 Nikolaidis,I-Graf,A/Porto
Carras 1998/EXT 99 (18)}) 10... Nb6 (10... Nhf6 11. Nc3 Nb6 12. cxd5 exd5 13.
Rad1 Bf5 14. Ne5 Re8 15. a4 a5 16. h3 Bb4 17. g4 Bc8 18. Bg5 Qd6 19. f4 Nfd7
20. e4 {1-0 Gelfand,B-Tkachiev,V/Cap d'Agde 2002/CBM 92 (56)}) 11. Nbd2 (11. c5
{Ftacnik} Nd7 12. Nc3 b6 $132) 11... f5 {[%cal Gf5f4] Ftacnik: 'Bauer is not
hesitating and imprints his position character of the dutch Stonewall. His
hope is connected with the immediate counterplay tied to the advance f5-f4.'
Das ist eine logische Folge von 9...Nh5. Aber Weiß braucht vor f5-f4 keine
Angst zu haben.} (11... dxc4 {Ftacnik} 12. Nxc4 Nxc4 13. Qxc4 Nf6 14. Rfd1 $14)
12. Ne5 $14 {[%csl Ge5] Weiß beabsichtigt, selbst 13.f4 zu ziehen. Die
schwarze Antwort ist daher praktisch erzwungen.} f4 (12... g5 13. f3 $14 (13.
f4 g4 $14)) 13. Bxf4 Nxf4 (13... dxc4 $5 {Ftacnik} 14. Ndxc4 Nxf4 15. gxf4 Qxd4
16. e3 Qc5 (16... Qd8 17. Rfd1 Qc7 18. Be4 $14) 17. Rfc1 Bf6 18. Nd3 Qh5 19.
Nd6 $14) 14. gxf4 Rxf4 15. e3 Rf8 16. Rad1 {[%cal Gd1d8]} (16. f4 $14) 16...
Bf6 (16... Nd7 $5 {Ftacnik} 17. f4 (17. Nxd7 Qxd7 18. e4 dxc4 19. Nxc4 Bg5 $13)
17... Nxe5 18. fxe5 Rxf1+ 19. Rxf1 Qa5 $13) 17. f4 {[%csl Ge5] Weiß festigt
den Vorposten Ne5 - er ist der Stolz der weißen Stellung.} Qe7 18. Kh1 {
Ein starker prophylaktischer Zug - anschließend kann Weiß die g-Linie nutzen.
Schwarz hat Probleme bei der Entwicklung seines Damenflügels. Nach Bd7 muss er
immer mit c4-c5 rechnen.} Rb8 {Ftacnik: 'Black should probably not open up his
solid position out of principle, but the bishop's pair would naturally welcome
more space.'} (18... c5 {Ftacnik} 19. cxd5 cxd4 (19... Bxe5 20. fxe5 Rxf1+ 21.
Rxf1 exd5 22. Bxd5+ Nxd5 23. Qxd5+ Be6 24. Qxc5 Qxc5 25. dxc5 Rd8 26. Rf2 Rd3
27. e4 Bxa2 28. b3 $16) 20. d6 Qxd6 21. Ne4 Qe7 22. exd4 $14) 19. c5 Nd7 20.
Qa4 Ra8 (20... a6 $14 21. b4 $14 {Ftacnik}) 21. b4 {[%csl Gb4,Gc5,Rc8,Gd4,Ge3,
Ge5,Gf4][%cal Gb4b5][%mdl 32] Das ist die richtige weiße Strategie: Da er
seinen schwarzfeldrigen Läufer schon abgetauscht hat, kann er seine
Bauernmasse gut auf schwarze Felder stellen. Schwarz hat keine Hoffnung auf
Gegenspiel, und der Bc8 hat Entwicklungsprobleme.} Qe8 {Richtet sich gegen 22.
b5, denn auf 22.b5 antwortet Schwarz 22...Nxe5 und 23...cxb5.} 22. Rf3 $1 {
[%cal Gf3g3,Gd1g1] Ein sehr starker positioneller Zug - Weiß möchte seine
Figuren am Königsflügel konzentrieren.} Bd8 (22... g6 {Ftacnik} 23. Rg1 Bg7 24.
Qc2 $14) 23. Rg1 {'!' Ftacnik. Ftacnik: 'Gelfand cleverly concentrates his
forces on the kingside, semiopen g file invites to the build up of the direct
attack against the black king.'} Nxe5 24. dxe5 {[%cal Gd2b3,Gb3d4]} (24. fxe5
$14) 24... Bd7 25. Bf1 {[%cal Gf1d3,Gd3h7]} Qh5 (25... a5 26. Rfg3 Rf7 27. Bd3
$40) 26. Rfg3 g6 (26... Rf7 27. Nf3 $16) 27. Nf3 Be7 28. Nd4 $16 {[%csl Gd4]
Der Springer steht ausgezeichnet auf d4.} Qh6 29. Qc2 {[%cal Rg1g6,Rc2g6]
Jetzt droht schon 30.Rxg6+ mit sofortigem Gewinn.} Kf7 30. Rh3 Qg7 31. Bd3 {
[%csl Gc2,Gd3,Gd4,Gg1,Gh3][%cal Rh3h7,Rh7f7] Nunmehr lautet die Drohung 32.
Rxh7 Qxh7 33.Bxg6+ mit Gewinn.} Rg8 (31... Ke8 {Ftacnik} 32. Rxh7 $1 Qxh7 33.
Bxg6+ $18) 32. f5 $1 {[%csl Rf7][%mdl 128] Ftacnik: 'Bauer used a great effort
to defend all weaknesses around the king, white is much better prepared for
opening of the position.' Weiß hat starken Angriff - alle seine Figuren stehen
sehr aktiv.} exf5 33. Bxf5 Ke8 (33... Bxf5 34. Nxf5 $18) 34. e6 Bc8 35. b5 $1 {
Ftacnik: 'The questions about the difference in coordination of the forces of
two armies would in this moment be probably impolite.'} Bf6 36. bxc6 Bxd4 (
36... bxc6 37. Qa4 $18) 37. cxb7 Bxb7 38. Qa4+ $18 {[%csl Re8]} Kd8 39. exd4 {
Weiß hat bereits einen Bauern mehr, und die schwarze Königsstellung ist
katastrophal.} Rc8 40. Qd7+ $1 {Es gibt andere Gewinnwege, aber der Textzug
ist einfach.} (40. Bxg6 hxg6 41. Rxg6 $18) (40. Qxa7 $18) 40... Qxd7 41. exd7
Rb8 42. Rxh7 1-0

[Event "MK Cafe Cup-A"]
[Site "Koszalin"]
[Date "1999.08.11"]
[Round "8"]
[White "Markowski, Tomasz"]
[Black "Filippov, Valerij"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2557"]
[BlackElo "2605"]
[Annotator "Ribli,Z"]
[PlyCount "127"]
[EventDate "1999.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 073"]
[Source "ChessBase"]
[SourceDate "1999.12.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.12.01"]
[SourceQuality "1"]

{[%mdl 4128]} 1. g3 d5 2. Nf3 Nf6 3. Bg2 e6 4. c4 Be7 5. d4 O-O {Das ist die
Grundstellung der klassischen Variante der Katalanischen Eröffnung, die
Grossmeister Filippov auch gerne mit Weiss spielt. Ribli.} 6. Nc3 {Das ist
eine beliebte Variante des Grossmeisters Markowski.} c6 {Kritisch ist eher die
Variante 6...dxc4 7.Ne5 Nc6. Schwarz vermeidet die scharfen Hauptvarianten und
spielt die geschlossene Variante.} 7. O-O Nbd7 8. Qb3 (8. Bf4 b6 9. Rc1 Bb7 10.
cxd5 cxd5 11. Qb3 a6 12. Na4 b5 13. Bc7 Qe8 14. Nb6 Nxb6 15. Bxb6 Rc8 16. Qe3
Nd7 17. Ba5 Bd6 18. Rxc8 Qxc8 19. Rc1 Qb8 20. Ne1 Rc8 21. Nd3 Rxc1+ 22. Qxc1
Qc8 {1/2-1/2 Romanishin,O-Kuijf,M/2.BLW 1995 (63)}) (8. b3 {Meines Erachtens
bietet dieser Zug Weiss die beste Möglichkeit für Eröffnungsvorteil.}) 8... b6
{Schwarz möchte den Läufer entwickeln, aber die Alternative 8...a5 kommt stark
in Betracht.} (8... a5 $5 {N} 9. cxd5 $6 (9. a4 $5 {Smagin,S}) 9... exd5 10.
Rd1 Nb6 11. Ne5 a4 12. Qc2 Be6 13. Bg5 Ne8 $1 14. Bxe7 Qxe7 15. a3 Nd6 16. b3
$6 (16. Nd3 $5) 16... Bf5 17. Qb2 h6 $1 $15 {Cvetkovic,S-Smagin,S/Jugoslavija
1992/Inf 55 (17)}) 9. Bf4 Ba6 {Schwarz erzwingt eine Klärung im Zentrum.} (9...
Bb7 $5 {Dieser Läuferzug wird häufiger gespielt. Weiss hat etwas Initiative
nach 10.cxd5 cxd5 11.Nb5 Ne8, aber Schwarz hat keine Schwächen und kann
stufenweise ausgleichen.}) 10. cxd5 cxd5 (10... Nxd5 11. Qa4 Nxf4 12. gxf4 Bb7
13. Rfd1 $14 {Weiss hat positionellen Druck und etwas bessere Chancen.} Qc7 14.
e3 c5 15. d5 exd5 16. Nxd5 Bxd5 17. Rxd5 Rad8 18. Rad1 Nb8 19. Ne5 Bf6 20. Rxd8
Rxd8 21. Rxd8+ Qxd8 22. Bd5 Bxe5 23. fxe5 Kf8 24. Qxa7 Qxd5 25. Qxb8+ Ke7 26.
h3 Qc6 27. a4 c4 {1/2-1/2 Horvath,J-Jirovsky,M/Odorheiu Secuiesc 1995/CBM 47 
(27)}) 11. Nb5 Bxb5 {Schwarz hat nichts besseres. Er gibt das Läuferpaar auf.}
(11... Ne8 12. Rfc1 $14 {In Theorie es gibt ähnliche Stellungen mit ...Bb7, in
denen Schwarz den b5-Springer mit 12...a6 verjagen kann.}) 12. Qxb5 a6 13. Qc6
{[%csl Gc6] Die Dame steht scheinbar aktiv auf c6, aber in Wirklichkeit muss
sie früher oder später zurück.} (13. Qd3 b5 14. Rfc1 Qb6 15. Rc2 Rac8 16. Rac1
Qb7 17. Rc7 Qa8 18. Ne5 Rxc7 19. Rxc7 Qe8 20. Nc6 Nh5 21. Rc8 {1-0 Fedorowicz,
J-Pieterse,G/Ostend 1987/EXT 87op (21)}) 13... Rc8 14. Qa4 {[%csl Ra6][%cal
Ra4a6]} Ra8 15. Qc6 Rc8 16. Qa4 Ra8 17. Rfc1 $5 $14 {Weiss ist nicht zufrieden
mit der Zugwiederholung.} b5 18. Qc2 Rc8 19. Bc7 {[%csl Gc7] Der Läufer stört
das schwarze Spiel.} Qe8 {[%cal Gc8c1]} 20. Qd2 {[%csl Ra6][%cal Rd2a5,Ra5a6]
Schwarz drohte ...Bd8.} Nb8 21. Ne5 (21. Qa5 Bd8 22. Bxd8 (22. Ne5 Bxc7 23.
Rxc7 Qd8 {[%csl Ra5,Rc7][%cal Rd8a5]} 24. Rac1 Ne8 25. Rxc8 (25. Nxf7 Rxf7 26.
Rxc8 Qxa5 $19) 25... Qxa5 26. Rxb8 Nd6 $17) 22... Qxd8 23. Qa3 $14) 21... Nfd7
(21... Nbd7 22. Qa5 $14) 22. e4 $1 {[%csl Gg2][%cal Gg2a8] Weiss möchte die
Diagonale des Läufers g2 öffnen.} Nxe5 (22... dxe4 23. Bxe4 $14 {Weiss hat
einen isolierten Bauern auf d4, aber wichtiger ist die Aktivität seines
Katalanisch-Läufers.}) 23. dxe5 (23. Bxe5 dxe4 24. Bxe4 Nc6 $11) 23... d4 $1 {
Schwarz opfert einen Bauern, damit sich der Läufer g2 nicht aktivieren kann.} (
23... dxe4 24. Bxe4 $16 {[%csl Gc7,Ge4,Ge5,Re8] Das weisse Läuferpaar steht
sehr aktiv.}) 24. Qxd4 Nc6 25. Qb6 Nb4 {[%cal Gb4d3,Gd3b2,Gd3c1,Gd3e5]} 26. Bf1
$6 {Meines Erachtens wäre es logischer, die c-Linie mit dem Turm zu verlassen.}
(26. Rd1 $5 Bd8 (26... Qc6 27. Qxc6 Nxc6 28. Rd7 $16) 27. Bxd8 Rxd8 28. Rd6 $16
) 26... Bd8 27. a3 (27. Bxd8 Qxd8 28. Qxd8 Rfxd8 $44 {[%csl Re5,Rf1]}) 27...
Rxc7 28. Rxc7 Bxc7 29. Qxc7 Nc6 {Nach forcierten Vereinfachungen hat Weiss
einen Bauern mehr, aber sein Läufer steht nicht aktiv und der Bauer e5 ist
schwach.} (29... Qc6 $2 30. Rc1 Qxc7 31. Rxc7 $18) 30. Rc1 (30. Rd1 Qc8 31.
Qxc8 Rxc8 32. f4 Kf8 $14) 30... Nd4 {[%csl Gd4]} 31. Qd6 Qd8 32. Kg2 (32. f4 f6
$14) 32... f6 33. Qxd8 Rxd8 34. exf6 gxf6 {Weiss hat die Bauernmehrheit am
Königsflügel, die gewöhnlich schwer zu verwerten ist und der schwarze Springer
steht stark.} 35. Rc7 {[%csl Gc7]} e5 {[%csl Gd4]} 36. Rb7 {[%cal Rb7b6,Rb6a6,
Rb6f6] Droht 37.Rb6 mit weiterem Bauerngewinn.} Rd6 37. Bd3 {[%cal Gd3b1,Gb1a2,
Ga2g8] Weiss möchte seine Läuferstellung verbessern.} Kh8 {Schwarz vermeidet
Motive auf der a2-g8-Diagonalen.} 38. Bb1 Nb3 {Schwarz bereitet das
Springermanöver ...Nb3-d2-c4 vor.} 39. Ba2 Nd2 40. Bd5 $16 {[%csl Gd5] Der
Laufer steht ausgezeichnet auf d5. Weiss hat jetzt auch das bessere
Figurenspiel.} Nc4 {[%cal Gc4b2,Gc4a3]} 41. Rb8+ {Weiss spielt auf Mattangriff,
aber auch das Turmendspiel wäre sehr gut.} (41. Bxc4 $5 bxc4 42. Rc7 Rd4 (42...
Rb6 43. Rxc4 Rxb2 44. Rc6 $18 {[%cal Rc6a6,Rc6f6]}) 43. Rc6 {[%cal Rc6a6,Rc6f6]
} Rxe4 44. Kf3 Rd4 45. Rxf6 $16) 41... Kg7 42. Rg8+ Kh6 43. b3 $6 (43. Bxc4 $1
{Das ist die beste Moment für die Vereinfachung, denn der schwarze König steht
schlecht.} bxc4 44. Rc8 Rd4 (44... Rd2 45. Rxc4 Rxb2 46. Rc6 {[%csl Rh6][%cal
Rc6a6,Rc6f6]}) 45. Rc6 {[%csl Rh6][%cal Rc6a6,Rc6f6]}) 43... Nxa3 44. h4 $14 {
[%cal Rg3g4,Rg4g5]} Nc2 {[%cal Gc2d4,Gd4e6]} 45. g4 Nd4 46. Bf7 {[%csl Rh6]
[%cal Rg4g5,Rg5h6] Es droht 47.g5 mit Matt, aber Schwarz kann das verteidigen.}
Ne6 47. Kg3 a5 (47... Rc6 48. f3 Rd6 49. b4 Rc6 50. Bxe6 Rxe6 51. g5+ fxg5 52.
hxg5+ Kh5 53. f4 $16) 48. f3 a4 (48... b4 49. Bxe6 Rxe6 50. Ra8 (50. g5+ fxg5
51. hxg5+ Kh5 52. f4 Rg6 $11) 50... Rd6 51. Rxa5 Rd3 52. Ra6 Kg7 53. Ra7+ Kg8
54. g5 fxg5 55. hxg5 Rxb3 56. Re7 $16) 49. bxa4 bxa4 50. Bxe6 (50. Ra8 Nf4 51.
Rxa4 Rd2 {[%cal Rd2g2,Rg2g3]} 52. Ra2 Rxa2 53. Bxa2 $11) 50... Rxe6 51. Ra8 {
Weiss gewinnt den a-Bauern, aber das Material ist reduziert. Schwarz hat
Remischancen.} Kg6 52. Rxa4 h5 $2 {Mit diesem Zug hilft Schwarz dem Gegner. Es
wäre besser, mit dem Bauern hinten zu bleiben.} (52... Re7 $14) 53. Ra8 {
[%cal Ga8g8,Ga8h8,Gh8h5]} Rb6 (53... hxg4 54. Kxg4 $16) 54. gxh5+ Kxh5 55. Rh8+
Kg6 56. Kg4 $16 {[%csl Yf5]} f5+ {Schwarz gibt einen weiteren Bauern, aber das
hilft auch nicht.} (56... Rb3 57. h5+ Kg7 58. Ra8 Rc3 59. Ra7+ Kg8 60. h6 Rb3
61. Rg7+ Kf8 (61... Kh8 62. Rf7 $18) 62. Kf5 Rxf3+ 63. Ke6 $18) 57. exf5+ Kg7
58. Re8 {[%csl Re5]} Rb4+ 59. Kg5 Rf4 60. f6+ $1 (60. Rxe5 $6 Rxf3 $14 {
In diesem Turmendspiel hat Schwarz Remischancen trotz seines Materialnachteils.
}) 60... Kf7 (60... Rxf6 61. Rg8+ Kxg8 62. Kxf6 $18) 61. Re7+ Kf8 62. h5 Rxf3
63. h6 $18 Kg8 (63... Rg3+ 64. Kf5 Rh3 65. h7 $18) 64. Rg7+ (64. Rg7+ Kh8 (
64... Kf8 65. h7 {[%cal Rg7g8,Rg8f8]}) 65. f7 $18 {[%csl Gf7][%cal Rg7g8,Rg8h8]
}) 1-0

[Event "Lippstadt 11th"]
[Site "Lippstadt"]
[Date "2003.08.14"]
[Round "8"]
[White "Romanishin, Oleg M"]
[Black "Cyborowski, Lukasz"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "2561"]
[BlackElo "2550"]
[Annotator "Ribli,Z"]
[PlyCount "72"]
[EventDate "2003.08.07"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[EventCategory "9"]
[SourceTitle "CBM 097"]
[Source "ChessBase"]
[SourceDate "2003.11.11"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.11"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 e6 5. g3 Be7 6. Bg2 O-O 7. O-O Nbd7 8. Bf4
{Statt dieses Läuferzugs empfehle ich 8.b3, was Weiß mehr Chancen auf
Eröffnungsvorteil bietet.} (8. b3 b6 9. Bb2 Ba6 10. a4 dxc4 11. bxc4 Bxc4 12.
Nd2 $14) 8... Nh5 {Schwarz beschäftigt sich nicht mit dem c4-Bauern, sondern
möchte die Entwicklung des Bf4 stören und ggf. f5 vorbereiten.} (8... dxc4 9.
e4 Bb4 10. Qc2 b5 11. a4 Bb7 12. e5 Nd5 13. Ng5 g6 14. axb5 Bxc3 15. bxc6 Bxc6
16. bxc3 Nxf4 17. Bxc6 Qxg5 18. Bxd7 {1-0 Romanishin,O-Vezzosi,P/Reggio Emilia
ITA 2003/(23)}) 9. Bd2 Nhf6 {Das ist ein indirektes Remisangebot - Schwarz
möchte die Züge wiederholen.} 10. Bf4 (10. cxd5 cxd5 11. Rc1 a6 12. Qc2 b5 13.
Bf4 Bb7 14. a3 Rc8 {0-1 Salaun,M-Wolfangel,C/Avoine 2000/EXT 2001 (27)}) (10.
c5 e5 11. dxe5 Ne4 12. b4 a5 13. a3 axb4 14. axb4 Rxa1 15. Qxa1 Nxd2 16. Nxd2
b6 $13) 10... Nh5 11. Be3 Nhf6 (11... dxc4 $5) 12. Rc1 $6 {Dieser Turmzug
scheint mir schablonenhaft.} (12. b3 $11) (12. cxd5 $11) 12... dxc4 {Schwarz
nimmt einfach den c4-Bauern und während Weiß diesen zurückgewinnt, kann er die
Entwicklung beenden.} 13. Nd2 Nb6 {Schwarz verteidigt einfach den c4-Bauern
und ich sehe keine Kompensation für Weiß. Der e3B steht besonders unglücklich,
weil Weiß nicht e2-e4 ziehen kann.} 14. Nce4 Nfd5 $15 {[%csl Re3][%cal Gd5e3]}
(14... Nxe4 15. Bxe4 c3 16. Rxc3 (16. bxc3 Nd5 $15) 16... Nd5 $15) 15. Nxc4
Nxc4 16. Rxc4 Nxe3 17. fxe3 {Weiß hat das materielle Gleichgewicht erreicht,
aber seine Bauernstellung ist geschwächt.} e5 $1 {[%csl Re2,Re3][%cal Gc8e6,
Ge6c4] Mit Läuferpaar möchte Schwarz die Stellung öffnen.} 18. dxe5 (18. Nc5
Bd6 $15 {[%cal Gd8e7]}) 18... Be6 19. Rd4 Qa5 $17 {[%csl Ra2,Ga5,Re2,Re3,Re5]
Weiß hat einen Bauern mehr, aber das hat keinerlei Bedeutung - er hat einfacvh
zu viele Bauerninseln. Zudem ist die schwarze Stellung sehr fest und er hat
das Läuferpaar.} 20. Nf6+ {Dieses Springeropfer ist praktisch erzwungen, wenn
Weiß nicht ohne Kampf verlieren möchte.} (20. Nd6 Qxe5 21. Qd2 Bxd6 22. Rxd6
Bxa2 $17) 20... gxf6 21. exf6 Bd8 {[%mdl 1024] Schwarz hat eine Figur mehr,
Weiß hat nur zwei Bauern als Ersatz und seine Bauern sind schwach.} 22. Rh4 {
Die weiße Idee ist einfach - 23.Qd3 spielen und mattsetzen. Aber Schwarz kann
sich gegen diese Drohung leicht verteidigen.} (22. Qd3 Qg5 $17) 22... Qg5 23.
Qd3 h6 $19 {[%mdl 256] Nach diesem Zug hängt schon der f6P und Schwarz kann
sein Materialvorteil direkt verwerten.} 24. Qc3 Bc7 25. e4 Rad8 (25... Be5 26.
Qf3 Bxb2 $19) 26. Qf3 Rd2 27. Bh3 {Weiß hat keine ernsthaften Drohungen am
Königsflügel.} Bb6+ (27... Bxh3 28. Rxh3 Kh7 $19 {[%cal Gf8g8,Gg8g4] Die
schwarze Idee ist 29...Rg8 und 30...Qg4 zu spielen.}) 28. Kg2 Qe3 29. Qxe3 Bxe3
$19 {Nach dem Damentausch steht Schwarz klar auf Gewinn.} 30. Bxe6 fxe6 31.
Rg4+ Kh8 32. e5 Rd5 33. Rg7 (33. Re4 Bd4 34. Rd1 Bxb2 $19) 33... Rxe5 34. Rxb7
Bd4 35. Rf4 Rxe2+ 36. Kf1 Rxb2 0-1

[Event "Capablanca Memorial Elite 39th"]
[Site "Havana"]
[Date "2004.05.07"]
[Round "2"]
[White "Arencibia Rodriguez, Walter"]
[Black "Dominguez Perez, Leinier"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "2505"]
[BlackElo "2612"]
[Annotator "Ribli,Z"]
[PlyCount "56"]
[EventDate "2004.05.06"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CUB"]
[EventCategory "13"]
[SourceTitle "CBM 101"]
[Source "ChessBase"]
[SourceDate "2004.07.27"]
[SourceVersion "1"]
[SourceVersionDate "2004.07.27"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. g3 {Diese Fortsetzung wird relativ
selten gespielt. Mehr Hoffnungen auf Eröffnungsvorteil geben 5.Bg5 und 5.e3.}
Nbd7 6. Bg2 dxc4 $1 {Das ist die beste Möglichkeit für Schwarz - nach diesem
aktiven Zug kann er seinen Mehrbauern verteidigen. Die genügsamen Alternativen
6...Be7 und 6...Bd6 sind aber auch spielbar.} 7. a4 Be7 8. O-O O-O {Diese
Stellung können wir entweder von der Slawischen Eröffnung oder von der
Katalanischen Verteidigung erreichen, die Codes der Variante sind E07 bzw. D43.
} 9. e4 e5 {Das ist die beste Verteidigung für Schwarz - er gibt den Bauern
zeitweilig zurück.} (9... b6 10. Qe2 Ba6 11. Rd1 Qc8 12. d5 $13) 10. dxe5 (10.
Nxe5 $6 Nxe5 11. dxe5 Ng4 $36) 10... Ng4 11. Bf4 (11. e6 fxe6 12. Nd4 Nde5 13.
h3 Nxf2 $1 14. Rxf2 Rxf2 15. Kxf2 Nd3+ 16. Kg1 Qxd4+ 17. Kh2 e5 18. Qh5 Be6 19.
Qe2 Bc5 20. Bg5 Rf8 {0-1 Karpov,I-Iskusnyh,S/Novosibirsk 1999/EXT 2000 (20)})
11... Qa5 {Jetzt hängt der e5-Bauern, so muss ihn Weiß wieder hergeben.} 12. e6
fxe6 13. e5 {Dieser Zug ist das letzte Wort der Theorie, nach anderen
Fortsetzungen bekommt Schwarz bequemes Spiel.} (13. Nd2 Nge5 14. Bh3 Nb6 (14...
Nf6 $5) 15. Bxe5 Qxe5 16. a5 Nd7 17. Nxc4 Qf6 18. f4 Qh6 19. Kg2 $14 {0-1
Certic,B-Todorovic,G/Petrovac SCG 2004/(37)}) (13. Bd6 Bxd6 14. Qxd6 Nde5 15.
Nxe5 (15. Ng5 h6 16. Nxe6 Bxe6 17. Qxe6+ Kh8 $17 {0-1 Van den Bersselaar,J-Van
der Poel,H/Dieren 2001/CBM 83 ext (28)}) 15... Nxe5 16. Rab1 Rd8 17. Qe7 Ng6
18. Qa3 e5 $15 {1/2-1/2 Sosonko,G-Van der Wiel,J/Wijk aan Zee 1987/CBM 02 (30)}
) (13. Qe2 Nge5 14. Nd4 $1 Nb6 (14... Nd3 15. Nxe6 Rf6 16. Bc7 Qb4 $13) 15. Bd2
Bb4 16. Nc2 c5 17. Qh5 Nc6 $1 18. e5 Rf5 19. Qe8+ Rf8 20. Qh5 Rf5 21. Qe8+ {
1/2-1/2 Vaulin,A-Gorelov,S/Pavlodar 1991/EXT 97 (21)}) 13... Ngxe5 14. Nxe5
Nxe5 15. Qh5 {[%cal Gh5a5]} Rf5 {Mit diesem Turmzug spielt Schwarz auf Gewinn.
Im Falle von 15...Bd6 kann er Remis erreichen.} (15... Bd6 16. Ne4 (16. Rae1
Rf5 17. Qe8+ Rf8 18. Qh5 $11) 16... Rf5 17. Qe8+ Rf8 18. Qh5 Rf5 19. Qe8+ {
1/2-1/2 Topalov,V-Kasparov,G/Sarajevo 2000/CBM 77 (19)}) 16. Qe8+ Bf8 17. Be4
Nf7 {Das ist die beste Verteidigung - Schwarz opfert die Qualität.} (17... Nf3+
$2 18. Bxf3 e5 19. Be2 exf4 20. Bxc4+ Kh8 21. Bd3 $16) 18. Rad1 $2 {[%mdl
16384] Gut oder schlecht - Weiß muss den katalanischen Läufer für die Qualität
geben und 18.Bxf5 spielen. Nach der Partiefortsetzung kann Schwarz mit dem
f5-Turm einfach weggehen.} (18. Bxf5 Qxf5 19. Rae1 e5 20. Bxe5 Qf3 (20... Nxe5
21. Rxe5 Qf3 22. Qh5 Qxh5 23. Rxh5) 21. Re3 Bh3 22. Qxf8+ Rxf8 23. Rxf3 Bxf1 (
23... Nxe5 $5 24. Rxf8+ Kxf8 $14) 24. Rxf7 Kxf7 25. Kxf1 $16 {1-0 Mochalov,
E-Yagupov,I/Orel 1999/EXT 2001 (37)}) 18... Rf6 $15 19. Be3 (19. Bxh7+ Kxh7 20.
Qxf8 Ne5 21. Qe8 Nd3 $15) 19... g6 {Schwarz bereitet 20...Kg7 vor, denn er
möchte die Fesselung auf der Grundlinie abschütteln.} (19... Qb4 $5 {[%cal
Gb4e7,Ge7e8] Dieser Damezug scheint mir noch besser als die Partiefortsetzung
- die schwarze Drohung ist einfach 20...Qe7 mit Damentausch.}) 20. f4 Kg7 21.
Bd4 (21. Rf2 Qc7 (21... Bc5 22. Bxc5 Qxc5 23. Bg2 e5 24. Ne4 Qxf2+ 25. Kxf2 Re6
26. Rd8 Rxe8 27. Rxe8) 22. Bd4 e5) 21... Bc5 $17 {[%cal Gc5g1] Dank der
Gegenfesselung kann Schwarz den dunkelfarbigen Läufer tauschen. Ich sehe keine
Kompensation für Weiß, er hat einen klaren Bauern weniger.} 22. Rf2 (22. Bxc5
Qxc5+ 23. Kh1 (23. Kg2 $2 e5 $19 {[%cal Rc8h3,Rh3g2,Ra8e8]}) 23... e5 $17)
22... Bxd4 23. Rxd4 e5 24. fxe5 Rxf2 (24... Qxe5 25. Qxe5 Nxe5 $17) 25. Kxf2
Qc5 $1 (25... Qxe5 26. Qxe5+ Nxe5 27. Rd8 Nf7 28. Re8 $15) 26. Ke3 (26. Ne2
Qxe5 27. Qxe5+ Nxe5 28. Rd8 Nf7 29. Re8 Nd6 $19) 26... Nxe5 $19 {[%csl Re3]
[%cal Rc5e3][%mdl 2048] Der weiße König steht schrecklich schlecht auf e3, es
droht 27...Ng4+ mit Turmgewinn.} 27. Qd8 Bd7 $1 (27... Nf7 28. Qe8 (28. Qc7 Bg4
$19) 28... Qg5+ 29. Kf2 Qf6+ 30. Ke3 Nd6 $19) 28. Qxa8 Ng4+ (28... Ng4+ 29. Kd2
Qxd4+ 30. Kc2 Nf6 31. Qd8 Kf7 $19) 0-1

[Event "RUS-ch qual 57th"]
[Site "St Petersburg"]
[Date "2004.05.24"]
[Round "4"]
[White "Khalifman, Alexander"]
[Black "Alekseev, Evgeny V"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2668"]
[BlackElo "2616"]
[Annotator "Ribli,Z"]
[PlyCount "81"]
[EventDate "2004.05.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "CBM 102"]
[Source "ChessBase"]
[SourceDate "2004.09.23"]
[SourceVersion "1"]
[SourceVersionDate "2004.09.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 c6 7. Qb3 Nbd7 8. Bf4
O-O 9. O-O b6 10. Nc3 (10. Rd1 a5 11. Nc3 Ba6 12. cxd5 exd5 $6 (12... Nxd5 $1
13. Ne5 Nxe5 14. Bxe5 a4 15. Qc2 a3 $13) 13. Rac1 Rc8 $2 (13... Re8) 14. Bh3 $1
Bc4 15. Qc2 c5 16. dxc5 Bxc5 17. Bg5 {Kasimdzhanov,R-Gurevich,M/Batumi (rapid)
82/432 2001/[Kasimdzhanov,R] (20)}) 10... Ba6 11. cxd5 Nxd5 (11... cxd5 12. Nb5
Bxb5 13. Qxb5 a6 14. Qd3 b5 15. Rfc1 Qb6 16. Rc2 Rfc8 17. Rac1 Qd8 18. Bc7 Qf8
19. Qe3 h6 20. Ne5 {1-0 Nielsen,P-Chuchelov,V/Germany 2003/EXT 2004 (39)}) (
11... exd5 $6 12. Rfd1 Re8 $6 13. Ne5 $14 Bb7 14. e4 {[%csl Gc3,Ge5,Gf4,Gg2]
[%cal Gb3g8]} Nf8 $6 15. Nxc6 $1 Bxc6 16. exd5 Bb7 17. d6 {[%cal Rd6e7,Rg2b7]}
Bxg2 18. dxe7 Qxe7 19. Kxg2 $16 {1-0 Nielsen,P-Harikrishna,P/Hastings 2003/CBM
93/[Ribli] (59)}) 12. Qa4 (12. Nxd5 cxd5) 12... Nxf4 13. gxf4 {Das ist ein
typisches Bild in der Katalanischen Verteidigung - Weiß hat einen Doppelbauern
auf der f-Linie, aber der f4P kontrolliert das e5-Feld.} (13. Qxa6 Nxg2 14.
Kxg2 Nf6 $11) 13... Bb7 {[%cal Gc6c5]} 14. Rfd1 {[%cal Gd1d8]} Qc7 15. e3 Rac8
$6 (15... c5 16. d5 (16. Nb5 Qb8) 16... exd5 17. Nxd5 Bxd5 18. Rxd5 Rad8 19.
Rad1 Nb8 $11 (19... Nf6 $11)) 16. Rac1 $14 {[%cal Gc1c8] Weiß hat
offensichtlichen positionellen Druck am Damenflügel und es ist nicht leicht
für Schwarz, wenn gar unmöglich, seine Stellung mit c6-c5 zu befreien.} Qb8 (
16... c5 17. Nb5 Bc6 18. Qa6 Bxb5 19. Qxb5) 17. Ne5 $1 {[%csl Rb7,Gg2][%mdl 32]
Jetzt können wir den großen Unterschied zwischen dem katalanischen g2-Läufer
und dem passiven b7-Läufer sehen.} Nxe5 18. dxe5 {[%csl Gd1][%cal Rd1d7]} Rc7 (
18... c5 19. Rd7 Bxg2 20. Qxa7 $16 (20. Kxg2 $16)) 19. Rd2 a6 (19... c5 $5 20.
Bxb7 (20. Nb5 Bxg2 (20... Qe8 21. b3 $14) 21. Nxc7 Qb7 22. f3 (22. Qa6 Qf3 23.
Qe2 Qh3 $36) 22... Qxf3 23. Qd1 Qxd1+ 24. Rcxd1 Bc6 $44) 20... Qxb7 21. Rcd1
Qf3 22. Qe4 $14) 20. Qb3 b5 (20... Qa7 $5) 21. a4 $1 c5 {Es ist verständlich,
dass Schwarz endlich aktiv spielen möchte. Mit dem Textzug öffnet er die
Stellung, aber im Folgenden verliert er den Bauern.} (21... Rd8 $14) 22. axb5
Bxg2 23. Kxg2 Qb7+ 24. Kg1 (24. f3 c4 25. Qa4 axb5 26. Qxb5 Qa7 $132) 24... c4
(24... Rb8 25. b6 Qxb6 26. Qc4 $14) 25. Qa4 axb5 26. Qxb5 Qf3 27. Ne2 {[%cal
Ge2d4,Gd4f3][%mdl 256] Der Springer kann den weißen Königsflügel verteidigen,
nach 27...Qg4 kommt 28.Ng3, ansonsten kann Weiß mit Nd4 die Dame von f3
verjagen.} h5 (27... Qg4+ 28. Ng3 h5 29. Rd7 Rxd7 30. Qxd7 $16) 28. Nd4 Qe4 (
28... Qg4+ 29. Kh1 $16) 29. Rxc4 $16 Qb1+ 30. Kg2 Qe4+ 31. Kg1 Qb1+ 32. Kg2
Qe4+ 33. f3 $1 Qg6+ (33... Qxe3 34. Re2 $18) 34. Kh3 {[%csl Gh3] Der König
steht etwas sonderbar auf h3, aber Schwarz kann das nicht ausnutzen.} Ra7 35.
Rc1 Rd8 36. Qd3 $18 (36. Rg2 Qh7 37. Rcg1 Bf8 38. f5 $18) 36... Qh6 (36... Qxd3
37. Rxd3 $18) 37. Qe4 Rad7 38. Rg2 Bf8 39. Rc6 Re8 40. f5 exf5 41. Nxf5 {
[%csl Rh6]} 1-0

[Event "SCG-ch 2nd"]
[Site "Pancevo"]
[Date "2006.03.03"]
[Round "5"]
[White "Tadic, Branko"]
[Black "Abramovic, Bosko"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "2491"]
[BlackElo "2507"]
[Annotator "Ribli,Z"]
[PlyCount "96"]
[EventDate "2006.02.27"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "YUG"]
[EventCategory "11"]
[SourceTitle "CBM 112"]
[Source "ChessBase"]
[SourceDate "2006.06.07"]
[SourceVersion "1"]
[SourceVersionDate "2006.06.07"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Bf4
Nbd7 9. Nc3 {Weiß beschäftigt sich nicht mit dem c4-Bauern, er spielt auf
aktives Spiel im Zentrum.} dxc4 10. e4 b5 (10... Re8 11. a4 (11. Re1 Nf8 12. a4
Ng6 13. Bg5 h6 14. Bxf6 Bxf6 15. e5 Be7 16. Qe2 (16. a5 $5) 16... a5 17. Qxc4 (
17. Red1 $1) 17... Qb6 18. Ne4 Rd8 19. Qc2 Bd7 {1/2-1/2 Roiz,M-Portisch,L/
Warsaw 2005/(33)}) 11... a5 12. Qc2 Nf8 13. Rfd1 Ng6 14. Bg5 h6 15. Bxf6 Bxf6
16. Qe2 Qb6 17. e5 Be7 18. Qxc4 Bd7 19. Ne4 Red8 20. b3 Be8 21. Rd3 Qa7 {
1/2-1/2 Prusikin,M-Jussupow,A/Pulvermuehle 2006/(21)}) (10... a5 11. Re1 Re8
12. d5 cxd5 13. exd5 Nc5 14. Ne5 exd5 (14... Ra6 $5) 15. Nxd5 Nxd5 $2 (15...
Be6 $1) 16. Nxf7 $3 {1-0 Gelfand,B-Georgiev,K/Mallorca 2004/CBM 104/ (26)}) 11.
d5 (11. Qc2 Qb6 12. Rad1 Bb7 13. e5 Nd5 14. Bg5 $44) 11... Qb6 $5 {Eine
kaltblütige Fortsetzung, Schwarz hat keine Angst vor dem weißen d-Bauern. Weiß
hat einige Initiative für den Bauern, aber ich bin gar nicht sicher, ob das
genügend ist.} (11... exd5 12. exd5 cxd5 13. Nxd5 {1-0 Romanishin,O-Tan,M/
Vlissingen 2005/(32)}) (11... cxd5 12. exd5 Qb6 13. d6 (13. dxe6 fxe6 14. Nd4
Bb7 15. Bxb7 Qxb7 16. Nxe6 Rfc8 17. Re1 {1-0 Romanishin,O-Sharma,D/Calcutta
2004/(26)}) 13... Bd8 14. Be3 Qa6 15. Nxb5 Nd5 16. a4 Nxe3 17. fxe3 Bb7 18. Qc2
Rc8 {1/2-1/2 Kortschnoj,V-Kramnik,V/Geneva 1996/EXP 54 (28)}) 12. d6 {[%mdl 4]
Dieser Zug kommt mit Tempo, aber der d6P kann auch schwach sein.} (12. Nd4 cxd5
13. exd5 e5 (13... Bb7 14. d6 Bxg2 $1 15. dxe7 Bxf1 16. exf8=Q+ Rxf8 17. Kxf1
e5 $15) 14. Ndxb5 (14. d6 Bxd6 15. Bxa8 exf4 16. Ndxb5 Bb8 $44) 14... Bc5 {
1/2-1/2 Nielsen,P-Beliavsky,A/Gothenburg 2005/ (124)}) (12. dxc6 Nc5 $1 13. Nd4
(13. e5 Nd5 14. Nxd5 exd5 15. Bg5 Bxg5 16. Nxg5 h6 $17) (13. Ne5 Rd8 14. Qf3
Ba6 15. Rfd1 b4 $15) 13... b4 14. Ncb5 Nd3 15. Bc7 Qc5 16. e5 Nd5 {0-1 Ulibin,
M-Nikolenko,O/Pavlodar 1991/EXT 91ch (24)}) 12... Bd8 13. b4 {Der große
Nachteil des Textzugs ist, dass der c4P ein gedeckter Freibauer wird.} a5 (
13... cxb3 14. axb3 $44) 14. a3 Re8 $13 {[%cal Ge6e5]} 15. Rb1 axb4 16. axb4 e5
17. Bg5 h6 18. Be3 Qb8 19. Nh4 {[%cal Gh4f5]} Bb6 (19... Nb6 $5 $15 {[%cal
Gb6a4]}) 20. Nf5 Nf8 21. Ne7+ Kh7 22. Nxc6 Qb7 23. Ne7 Ng6 (23... Bxe3 24. fxe3
Be6 25. Rxf6 $5 gxf6 26. Ncd5 $14 {[%cal Rd5c7,Rd5f6]}) 24. Ned5 $6 (24. Bxb6
$1 Qxb6 25. Ned5 Nxd5 (25... Qxd6 26. Nxb5 $16) 26. Qxd5 Be6 27. Qc5 $16 {
[%cal Gf2f4]}) 24... Nxd5 25. Qxd5 (25. Nxd5 Bxe3 26. Nc7 Bd4 $5 (26... Rd8 27.
Nxa8 (27. fxe3 Ra2) 27... Bd4 28. Nc7 Rxd6 29. Nd5) 27. Nxe8 Ra2 $44) 25...
Qxd5 26. Nxd5 Bxe3 27. fxe3 Rd8 28. Nc7 Rb8 29. Rxf7 Rb6 (29... Rxd6 30. Rxg7+
(30. Ne8 Re6 31. Nxg7 Re7 32. Rxe7 Nxe7 33. Ne8) 30... Kxg7 (30... Kh8) 31.
Ne8+ Kg8 32. Nxd6) 30. Rbf1 Kg8 31. h4 h5 32. Kh2 Rdxd6 33. Ne8 $6 Rd7 34. Rxd7
Bxd7 $15 {[%csl Gc4,Re8]} 35. Nc7 Rd6 (35... Ne7 $15) 36. Nd5 Ra6 37. Bf3 Ra2+
38. Kg1 Bg4 39. Bxg4 hxg4 {[%mdl 4096]} 40. h5 Nh8 41. Nc3 $2 (41. Ne7+ $142
Kh7 42. Nd5) 41... Rb2 42. Nxb5 Nf7 $17 {[%csl Gb2,Gf7][%cal Gf7g5,Gg5f3,Gg5h3,
Gg5e4,Gb2h2]} 43. Ra1 Rxb4 44. Ra8+ Kh7 45. Ra7 Ng5 46. Nd6 c3 $19 47. Rc7 Rb1+
48. Kf2 Rb2+ 0-1

[Event "Hastings 0203 78th"]
[Site "Hastings"]
[Date "2003.01.04"]
[Round "8"]
[White "Nielsen, Peter Heine"]
[Black "Harikrishna, Pentala"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2620"]
[BlackElo "2551"]
[Annotator "Ribli,Z"]
[PlyCount "118"]
[EventDate "2002.12.28"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[EventCategory "12"]
[SourceTitle "CBM 093"]
[Source "ChessBase"]
[SourceDate "2003.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2003.04.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 d5 4. d4 Bb4+ 5. Bd2 Be7 6. Bg2 c6 7. Qb3 {Dieser
Damenzug ist auch gut spielbar, aber 7.Qc2 ist populärer.} Nbd7 8. Bf4 O-O 9.
O-O b6 10. Nc3 Ba6 (10... Bb7 $5) 11. cxd5 exd5 {dieser Zug ist etwa
ungluecklich - die Alternativen bieten Schwarz bessere Chancen fuer Ausgleich.}
(11... cxd5 12. Nb5 $5) (11... Nxd5 $5) 12. Rfd1 Re8 $6 {Dieser Zug gefaellt
mir nicht, weil Schwarz den Punkt f7 schwächt.} 13. Ne5 $14 Bb7 (13... Nxe5 14.
dxe5 (14. Bxe5 $14) 14... Nh5 (14... Nd7 15. Nxd5 cxd5 16. Bxd5 $16) 15. Be3 (
15. Qa4 Nxf4 16. gxf4 Qc8 17. e4 b5 18. Qc2 b4 19. Na4 dxe4 20. Qxe4 Bb5 21. b3
) (15. Nxd5 cxd5 16. Bxd5 {[%cal Gd1d8,Gd5a8,Gd5g8,Gf7h5]} Nxf4 17. Bxf7+ Kh8
18. gxf4 (18. Rxd8 Nxe2+ 19. Kg2 Rexd8) 18... Qc8 19. Bxe8 Qxe8 20. Qf3 $36)
15... g6 16. f4 $14) 14. e4 {[%csl Gc3,Ge5,Gf4,Gg2][%cal Gb3g8] Weiß steht
viel aktiver, darum möchte er die Stellung öffnen.} Nf8 $6 {Dieser Zug
verliert eigentlich einen Bauern, aber es ist schwer zu sehen, wie Schwarz den
Druck abschütteln sollte.} (14... Nb8 $16) {[#]} 15. Nxc6 $1 {[%mdl 64] Ein
typisches, aber relativ unbekanntes zeitweiliges Springeropfer. In meiner
Partie gegen Radulov habe ich auch so gespielt. Die Variante entsteht nach den
Zügen 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 0-0 6.0-0 c6 7.Nc3 b6 8.Ne5 Bb7
9.e4 Nbd7? 10.Nxc6! (Ribli,Z. - Radulov,I. IBM Amsterdam 1975).} Bxc6 16. exd5
Bb7 (16... g5 $2 17. Be5 $16) 17. d6 {[%cal Rd6e7,Rg2b7] Das ist die Pointe
des weißen Spiels - jetzt hängt der e7B und der b7B auch. Weiß gewinnt die
Figur mit Bauernvorteil zurück.} Bxg2 18. dxe7 Qxe7 19. Kxg2 $16 Ne6 20. Be3
Ng4 21. Re1 (21. Qc2 Nxe3+ 22. fxe3 Ng5 $16 {[%cal Gg5e4]}) 21... Qf6 (21...
Nxe3+ 22. Rxe3 Qb7+ 23. d5 Nc5 24. Rxe8+ Rxe8 25. Qc4 $16) 22. d5 Nxe3+ 23.
Rxe3 Nd4 24. Rxe8+ (24. Qd1 Rxe3 25. fxe3 Nf5 $14) 24... Rxe8 25. Qd1 Nf5 {
[%cal Gf5d6]} 26. Qd2 {[%cal Ga1e1,Ge1e8] Weiß möchte die Stellung mit 27.Rd1
vereinfachen.} (26. Qd3 $16) 26... Qe5 27. Rd1 Nd6 {[%csl Gd6] Weiß hat einen
Bauern mehr, aber der d6N blockiert den weißen Mehrbauern, so dass Weiß einige
technische Probleme bewältigen muss.} 28. Qd3 {[%cal Gd1d2,Gd2e2,Ge2e8] Weiß
bereitet das Manöver Rd2-Re2 vor.} g6 29. Rd2 Qf6 30. Re2 {Natuerlich muss
Weiß den Turm tauschen.} Rxe2 31. Qxe2 {[%mdl 4096]} Qd4 32. Qd1 Qb4 (32...
Qxd1 33. Nxd1 $16) 33. Qd2 Kf8 (33... Nc4 $2 34. Qd4 $18 {[%cal Gd4b4]}) 34. b3
{Weiß möchte die Dame von der Verteidigung des b-Bauern befreien.} Nf5 35. Qd3
Nd6 36. Ne2 Qe1 (36... Qa5 37. a4 $16) 37. Nc3 Qe5 (37... Ke7 38. Qe3+ Qxe3 39.
fxe3 $16) 38. Qe3 Qf5 39. Qd4 Kg8 (39... Qc2 $6 40. Qe5 $18) 40. a4 Qd7 41. Qe5
h5 42. h3 $1 {Weißs mobilisiert seine Bauern am Königsflügel.} Kf8 43. f3 {
[%cal Gg3g4]} Qc7 44. g4 hxg4 45. fxg4 $1 {Gewöhnlich nimmt man mit dem
h-Bauern zurück, aber hier macht Weiß Platz für den König auf f3. Die andere
Idee des Zugs 45.fxg4 ist, dass Weiß später einen Freibauern auf der h-Linie
bilden kann.} Qc5 46. Kf3 {[%csl Gc3,Ge5,Gf3]} Qb4 47. Ke2 Qa3 48. Kd3 Qb4 49.
h4 $1 $18 {[%cal Gh4h5] Der weiße h-Bauer entscheidet die Partie.} Ne8 50. Qd4
Qa3 (50... Qxb3 51. d6 $18) 51. h5 gxh5 52. gxh5 Kg8 53. Qe5 Qf8 (53... Nd6 54.
h6 $18) 54. Ne4 f5 55. Ng5 Nf6 56. Qxf5 Qh6 57. d6 Nxh5 58. d7 Qd6+ 59. Ke3
Qe7+ (59... Qe7+ 60. Qe6+ Kf8 (60... Qxe6+ 61. Nxe6 $18) 61. d8=Q+ $18) 1-0

[Event "George Marx Memorial 2nd"]
[Site "Paks"]
[Date "2004.06.09"]
[Round "5"]
[White "Kortschnoj, Viktor Lvovich"]
[Black "Portisch, Lajos"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2579"]
[BlackElo "2573"]
[Annotator "Ribli,Z"]
[PlyCount "97"]
[EventDate "2004.05.05"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "HUN"]
[EventCategory "14"]
[SourceTitle "CBM 102"]
[Source "ChessBase"]
[SourceDate "2004.09.23"]
[SourceVersion "1"]
[SourceVersionDate "2004.09.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 {Die Hauptidee des Textzugs ist, dass im Falle
von der Abtauschvariante (4.cxd4 exd5) Schwarz wahrscheinlich bessere Chancen
hat, wie nach 3...Nf6 4.cxd4 exd5, da in diesem Fall 5.Bg5 stark ist.} 4. Nf3
Nf6 5. g3 O-O 6. Bg2 Nbd7 7. Qd3 (7. O-O dxc4) 7... c6 8. O-O Qa5 {[%cal Ga5a6,
Ga6d3] Das ist eine selten gespielte Fortsetzung und ich glaube, dass es nicht
die beste Möglichkeit für Schwarz ist. Die prinzipielle Antwort wäre 8...b6,
wonach Weiß immer mit dem Motiv Ba6 rechnen muss. Die Idee des Damezuges ist,
dass Schwarz Qa6 spielen kann.} (8... b6 $5 9. Rd1 (9. e4 Ba6 10. b3 Rc8 11.
Bf4 Re8 $2 (11... c5 $1 12. exd5 exd5 13. Nb5 dxc4 14. bxc4 Bxb5 15. cxb5 Nd5
$13) 12. Rfd1 Nf8 13. a4 Bb4 14. e5 $14 N6d7 15. Bd2 Nb8 16. Qc2 $1 {1-0
Korchnoi,V-Petrosian,T/Moscow 20/540 1975/[Matanovic,A; Korchnoi,V] (74)}) 9...
a5 $5 (9... Ba6 10. b3 Rc8 11. e4 c5 12. exd5 exd5 13. dxc5 dxc4 14. bxc4 Rxc5
15. Nb5 Bxb5 16. cxb5 Rd5 17. Nd4 Ne5 $5 18. Qc3 Bc5 $1 19. Bb2 Rd6 20. Rd2 Qd7
21. Rad1 Qg4 22. h3 $1 Bxd4 23. hxg4 Bxc3 24. Bxc3 Rxd2 25. Rxd2 Nexg4 26. Bc6
$16 {1-0 Gleizerov,E-Barua,D/Kolkata 84/405 2002/[Gleizerov,E] (51) [^^]}) 10.
b3 (10. e4 Ba6 11. b3 b5 12. cxb5 cxb5 13. e5 b4 14. Qc2 Rc8 15. exf6 Nxf6 16.
Ne5 Rxc3 17. Qb1 Nd7 {0-1 Gross,G-Vaganian,R/St Ingbert GER 2004/(31)}) 10...
Ba6 11. Bb2 b5 $5 (11... Qb8 12. a4 Rd8 13. e4 Ra7 14. Qe2 Bb4 15. exd5 Bxc3
16. dxc6 Bxb2 17. Qxb2 Nf8 18. Ne5 Ng6 19. f4 $44 {1-0 Gleizerov,E-Nadera,B/
Dubai UAE 2004/The Week in Chess 495 (48)}) 12. cxb5 cxb5 13. Nxb5 Ne4 14. a4
Rb8 15. Rdc1 Qb6 16. Bf1 Bxb5 17. axb5 Qxb5 18. Qxb5 Rxb5 19. Rc7 Rd8 {1/2-1/2
Romanishin,O-Bischoff,K/Essen 2001/CBM 83 (27)}) 9. Rd1 (9. e4 Qa6 10. b3 dxc4
11. bxc4 e5 12. dxe5 Ng4 13. Bf4 Nc5 14. Qc2 Ne6 15. h3 Nxf4 16. gxf4 Nh6 17.
f5 Qxc4 18. Qc1 Rd8 19. f6 {.. 1-0 Mihajlovic,V-Tadic,B/Budva 2002/EXT 2003 
(32)}) 9... b6 {[%cal Gc8a6,Ga6d3]} (9... Qa6 10. b3 Rd8 11. Bf4 dxc4 12. bxc4
Nb6 13. Ne5 Bd7 14. h4 Be8 15. Ne4 Nfd7 16. c5 Qxd3 17. Nxd3 Nd5 18. Bd6 Kf8 {
0-1 Balcerowski,W-Godes,D/Rowy 2000/CBM 78 ext (35)}) 10. cxd5 cxd5 (10... Ba6
11. Qc2 cxd5 12. a3 $14 {[%csl Ra5]}) (10... exd5 11. b3 $14) 11. a3 {12.b4
droht noch nicht, aber die schhwarze Dame steht ein wenig unglücklich auf a5.}
Qa6 12. Nb5 $1 $14 {[%csl Gb5] Bei symmetrischer Bauernstellung hat Weiß die
Initiative am Damenflügel. Sein b5N steht aktiv und paralysiert das schwarze
Figurenspiel und wegen der a6-Damestellung kann Schwarz den Springer nicht mit
a7-a6 verjagen..} Bb7 13. Bf4 Rac8 14. a4 {[%mdl 32] Weiß verstärkt den
b5-Springer.} Ne4 15. h4 {[%cal Gf3g5] Weiß sichert sein Königsflügel und im
Folgenden kann er Ng5 spielen.} Qa5 (15... h6 $142 $5) 16. Ng5 $1 Ndf6 (16...
Nxg5 17. hxg5 $14 {[%csl Gg5]} a6 $2 18. Nd6 $18 {[%csl Ra5,Gd6]}) 17. f3 a6 $8
{Nach diesem Zug verliert Schwarz eigentlich einen Bauern, aber das ist seine
einzige Gegenchance, denn sonst bekommt Weiß überlegenes Spiel.} (17... Nxg5
18. hxg5 Ne8 19. Kf2 $36 {[%cal Gd1h1,Gh1h7]}) 18. fxe4 dxe4 (18... axb5 19. e5
Ne4 20. Nxe4 (20. axb5 Qb4 21. Nxe4 dxe4 22. Bxe4 Bxe4 23. Qxe4 Qxb5 $14) 20...
dxe4 21. Qxb5 Qxb5 22. axb5 $16) 19. Nxe4 $6 {Meiner Meinung nach ist dieser
Tausch ein wenig schablonenhaft.} (19. Bxe4 $1 Bxe4 (19... Nxe4 20. Bd2 $1 Bb4
(20... Nxd2 $4 21. Qxh7#) 21. Nd6 $18) 20. Nxe4 Nxe4 (20... axb5 21. Nxf6+ Bxf6
22. Bd6 {[%cal Rd6f8,Gb2b4]} bxa4 (22... Rfd8 $2 23. axb5 $18 {[%csl Ra5][%cal
Ra1a5]}) 23. b4 Qa8 24. Bxf8 $16) 21. Na7 $16) 19... Bxe4 (19... Nxe4 $1 20.
Nc7 Qf5 $132) 20. Bxe4 axb5 (20... Nxe4 21. Na7 $16 Ra8 $2 22. Nc6 $18 {
[%cal Rc6a5,Rc6e7]}) 21. axb5 Qb4 22. Bc6 $16 {[%csl Gc6,Gf4] Weiß hat das
Läuferpaar und einen Bauern mehr.} Nh5 23. Bd2 Qd6 (23... Qxb2 $4 24. Bc3 Qb3
25. Rdb1 $18) 24. Kg2 f5 $1 {[%cal Gf5f4] Die schwarze Drohung ist 25...f4 und
im Falle von 26.g4 muss Weiß mit 26...f3+ rechnen.} 25. Qf3 g6 26. Ra7 {
[%csl Rd6,Re7][%cal Ra7d7,Rd7d6] Droht 27.Rd7 mit Figurengewinn.} Rcd8 27. e3
Bf6 28. Ra4 {[%cal Rd2b4,Rb4f8]} Be7 29. Ra7 {Mit dieser Zugwiederholung
gewinnt Weiß Bedenkzeit.} (29. Bb4 $5 Qc7 30. Bxe7 Qxe7 31. Ra6 Qc7 32. Rc1 $16
) 29... Bf6 30. Be1 e5 31. Rd2 (31. e4 $5 $16) 31... exd4 (31... e4 32. Qe2 $16
) 32. exd4 f4 (32... Bxd4 33. Rxd4 Qxd4 34. Qb3+ Kh8 35. Bc3 $18) 33. g4 Ng3 {
[#]} 34. Ba8 $3 {[%cal Rf3b7,Ra7h7] Das ist nicht so typisch, dass der
katalanische Läufer eine ruhige Position auf der gegnerische Grundlinie findet.
Die weiße Drohung ist 35.Qb7 mit sofortigem Gewinn.} (34. Bxg3 fxg3 35. Qxg3
Qxg3+ 36. Kxg3 Bxd4 $132) (34. Bf2 Bxh4 35. d5 $16) 34... Rfe8 35. Bxg3 fxg3
36. g5 Re7 (36... Bg7 $2 37. Qf7+ $18) 37. Rxe7 Bxe7 38. Bc6 {Der Mohr hat
seine Schuldigkeit getan, der Mohr kann gehen. Nach Vereinfachungen gewinnt
Weiß den zweiten Bauern auf g3.} Bf8 39. Qxg3 Qe6 (39... Qxg3+ 40. Kxg3 $18)
40. Qf3 Bg7 41. Re2 Qd6 42. d5 {Es gibt ungleichfarbige Läufer auf dem Brett,
aber die Anwesenheit der schweren Kavallerie demonstriert, dass Schwarz keine
Remischancen hat.} Qb4 43. Qe4 $1 Qxe4+ 44. Rxe4 {[%mdl 4096]} Bxb2 45. Re7 $18
Ba3 46. Rb7 Bc5 47. Bd7 {[%cal Rd7e6,Re6g8]} Kh8 (47... Kh8 48. Be6 $22 Be3 49.
d6 $18) 48. Be6 Rf8 49. Rd7 {[%cal Gd5d6]} 1-0

[Event "MK Cafe Cup-A"]
[Site "Koszalin"]
[Date "1999.08.08"]
[Round "6"]
[White "Romanishin, Oleg M"]
[Black "Grabarczyk, Miroslaw"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2567"]
[BlackElo "2484"]
[Annotator "Ribli,Z"]
[PlyCount "53"]
[EventDate "1999.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 073"]
[Source "ChessBase"]
[SourceDate "1999.12.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.12.01"]
[SourceQuality "1"]

{[%mdl 10240]} 1. d4 d5 2. c4 c6 {Die Slawische Verteidigung ist
wahrscheinlich die am häufigsten gespielte Eröffnung in der modernen
Turnierpraxis. Ribli.} 3. Nf3 Nf6 4. Nc3 e6 5. g3 Nbd7 {Schwarz nimmt die
Herausforderung nicht an, sondern entwickelt sich.} (5... dxc4 $5 {Das ist die
prinzipielle Variante. Schwarz hat einen Bauern mehr, aber Weiss bekommt seine
traditionelle "katalanische" Kompensation mit folgendem Bg2 / 0-0 / e4.}) 6.
Bg2 Be7 7. O-O O-O 8. Bf4 (8. b3 {Dieser traditionelle Bauernzug wird häufiger
gespielt.}) 8... Nh5 9. Bd2 (9. c5 Nxf4 10. gxf4 f5 11. Qd3 Qe8 12. b4 Qh5 13.
a4 Rf6 14. Ne5 Nxe5 15. fxe5 Rh6 16. h3 g5 $40 {0-1 Barlocco,C-Roatta,L/
Imperia 1989/EXT 89op2 (36)}) 9... Nhf6 (9... b6 10. e4 Ba6 11. exd5 cxd5 12.
Ne5 Nxe5 13. dxe5 g6 14. cxd5 Bxf1 15. Kxf1 exd5 16. Nxd5 Rc8 17. Bc3 $44 {
1/2-1/2 Pessi,J-Tahkavuori,T/Heart of Finland op 1997/EXT 99 (41)}) 10. Bf4 (
10. Re1 b6 11. Rc1 Bb7 12. cxd5 cxd5 13. a4 Rc8 14. Qb3 Ne4 15. Na2 Nxd2 16.
Nxd2 Nb8 17. Rxc8 Qxc8 18. Rc1 Qd7 19. e3 Ba6 (19... Rc8 $5) 20. Nb4 Rc8 21.
Rxc8+ Qxc8 22. Nxa6 Qc1+ 23. Bf1 Nxa6 24. Qb5 $36 {1-0 Harkonen,E-Birjukov,S/
Kuopio 1996/EXT 99 (33)}) 10... Nh5 11. Bd2 Nhf6 {Schwarz (80 Elopunkte
weniger) wäre sicher mit remis zufrieden.} 12. c5 {12.Bf4 wäre dreimalige
Stellungswiederholung.} Ne4 {Schwarz will mit ...f5 eine Stonewallstellung
errichten.} (12... e5 13. dxe5 (13. Nxe5 Nxe5 14. dxe5 Nd7 $11 {[%csl Rc5,Re5]}
) 13... Ne4 14. b4 a5 15. a3 axb4 16. axb4 Rxa1 17. Qxa1 Nxd2 18. Nxd2 b6 $13 (
18... Nxe5 19. Nxd5 $16 {[%csl Re5][%cal Ra1e5]})) (12... b6 13. b4 a5 14. a3
$14) 13. Nxe4 dxe4 14. Ne5 Nxe5 15. dxe5 Bxc5 $6 (15... Qd5 {[%csl Rc5,Re5]}
16. Bc3 Qc4 (16... Qxc5 17. Bxe4 $14) 17. e3 (17. Qc2 e3 $13) 17... Bxc5 18.
Qg4 $14 {[%csl Re4]}) (15... Qc7 $5) 16. Bxe4 $14 {[%csl Rc8,Ge4,Ge5] Weiss
hat zwar Doppelbauern in der e-Linie, aber seine Stellung ist aktiv. Der
Unterschied zwischen den weissfeldrigen Läufern wird spürbar.} Qd4 $2 {[%cal
Rd4e5,Rd4e4] Dieser Zug ist zu optimistisch. Schwarz hat Entwicklungsprobleme
und geht auf Bauernraub.} (16... Qc7 17. Qc2 {[%cal Rc2c5,Rc2h7]} (17. Bxh7+
Kxh7 18. Qc2+ {[%cal Rc2c5,Rc2h7]} Kg8 19. Qxc5 $16) 17... Qxe5 18. Bf4 $18 {
Mit Zugumstellung haben wir die Partiefortsetzung.}) (16... h6 $14) 17. Qc2 {
[%csl Rc5,Rd4][%cal Rc2h7]} (17. Bxh7+ Kh8 $16 (17... Kxh7 18. Qc2+ Kg8 19. Be3
Qxe5 20. Bxc5 $14)) 17... Qxe5 18. Bf4 $18 {[%csl Rc5,Re5] Schwarz kann die
vielseitigen Drohungen schon nicht mehr verteidigen.} Qh5 19. Bf3 {[%csl Rh5]}
Qf5 20. e4 {[%csl Rf5] Dieser Zug gewinnt eine Figur.} Qf6 21. Qxc5 Qxb2 {
Schwarz hat zwei Bauern für die Figur, aber seine Stellung ist natürlich zu
passiv.} 22. Be5 {[%csl Ge5][%cal Re5b2]} Qb6 23. Qc3 {[%cal Rc3g7]} f6 24. Bd6
{[%csl Gd6][%cal Rd6f8]} Re8 25. e5 {[%csl Rb6,Rc8,Gd6][%cal Ra1b1,Rb1b6] Die
weisse Figurenkoordination ist ausgezeichnet.} f5 26. Rfd1 {[%cal Gd1d8]} Bd7
27. Rab1 {Schwarz gab seine hoffnungslose Stellung auf.} (27. Rab1 Qa6 28. Qa3
Qxa3 29. Bxa3 Bc8 30. Bc5 $18) 1-0

[Event "Escaldes zt"]
[Site "Escaldes"]
[Date "1998.11.09"]
[Round "4"]
[White "Lautier, Joel"]
[Black "Godena, Michele"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "2625"]
[BlackElo "2510"]
[Annotator "Ribli,Z"]
[PlyCount "150"]
[EventDate "1998.11.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AND"]
[SourceTitle "CBM 068"]
[Source "ChessBase"]
[SourceDate "1999.02.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.02.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 {Neben dem Textzug kann Schwarz auch 4..
.dxc4 oder 4...a6 spielen. Ribli.} 5. g3 {In der letzten Zeit ist Schwarz
erfolgreich in der Meraner Variante, die so verhindert wird.} Be7 {Nach meiner
Meinung ist dieser scheinbar normale Zug nicht die beste Möglichkeit für
Schwarz.} (5... dxc4 $5 {Das ist die für Weiß kritische Fortsetzung.}) 6. Bg2
O-O 7. O-O Nbd7 8. b3 b6 9. Nd2 {[#]Weiß entwickelt nicht den b2-Läufer,
sondern beginnt sofortige Aktionen im Zentrum.} (9. Bb2 {meines Erachtens ist
diese natürliche Fortsetzung besser als der Textzug.} Bb7 (9... Ba6 10. a4 $5 (
10. Nd2) 10... dxc4 11. bxc4 Bxc4 12. Nd2 $14 {[%cal Rg2c6,Rd2c4]})) 9... b5 $5
(9... Ba6 10. e4 Rc8 11. Bb2 dxe4 12. Ncxe4 b5 13. c5 Nxe4 14. Nxe4 {0-1
Speelman,J-Lein,A/Hastings 1980/MCD (38)}) (9... Bb7 10. e4 dxe4 11. Ndxe4 Nxe4
12. Nxe4 Nf6 13. Bf4 Qd7 14. c5 Nxe4 15. Bxe4 {1-0 Khalifman,A-Almasi,Z/Wijk
aan Zee 1995/CBM 45 (35)}) 10. e4 (10. cxb5 cxb5 11. Nxb5 Qb6 $132 {[%csl Rb5,
Gb6,Rd4]}) 10... bxc4 11. bxc4 Ba6 {[%csl Yc4][%cal Ga6f1,Gd7b6,Gb6c4]} 12. e5
$146 {[#]} (12. Re1 Bb4 13. Bb2 Bxc4 14. Nxc4 dxc4 15. Qc2 Nb6 16. a3 Ba5 17.
Red1 Rb8 18. Ne2 Qe7 19. a4 c5 20. dxc5 Qxc5 21. Ba3 Bb4 22. Bxb4 Qxb4 23. a5
Nbd7 24. Ra4 Qb5 25. Qxc4 Qh5 {0-1 Wells,P-Vaganian,R/Antwerp 1997/CBM 59 ext 
(66)}) 12... Ne8 13. Re1 Bb4 $13 (13... Nb6 14. c5 (14. cxd5 $6 cxd5 $15) 14...
Nc4 15. Nxc4 (15. Qa4 Qa5 $1 16. Qxa5 Nxa5 $11) 15... Bxc4 16. Qa4 Qd7 17. Rb1
$14) 14. Qc2 Bxc4 $6 {Eine interessante Entscheidung. Schwarz gibt das
Läuferpaar für Aktivität auf, aber in offener Stellung wird das Läuferpaar
stark.} (14... Nb6 15. c5 Nc4 16. Nxc4 Bxc4 17. Bd2 $14 {Weiß hat Raumvorteil,
aber die schwarze Stellung ist fest.}) (14... dxc4 15. Bxc6 $14 {[%csl Ra6]})
15. Nxc4 dxc4 16. Bxc6 Rc8 17. Bb7 {Weiß vertreibt den c8-Turm von seiner
idealen Stellung.} Rb8 (17... Rc7 18. Be4 (18. Bg2)) 18. Be4 {Weiß provoziert
die Schwächung der schwarzen Königsstellung.} (18. Bg2 $5 Nc7 $11 {[%csl Yd5]
[%cal Gd7b6,Gb6d5,Gc7d5]}) 18... f5 (18... g6 19. Bh6 $14) 19. Bg2 (19. exf6 $6
Ndxf6 $15) 19... Nb6 20. Rb1 Bxc3 (20... Nd5 $2 21. Nxd5 $1 Bxe1 22. Ne7+ Qxe7
(22... Kh8 23. Nc6 $18) 23. Rxb8 $16) 21. Qxc3 Nc7 $14 {[%csl Yd5][%cal Gb6d5,
Gc7d5] Weiß besitzt das Läuferpaar, besonders sein schwarzfeldriger Läufer
scheint gefährlich zu sein, aber Schwarz hat einen guten Vorposten auf d5.
Trotzdem scheint das Läuferpaar wertvoller, denn Weiß kann sich entscheiden,
in einem guten Moment abzutauschen.} 22. Ba3 {[%cal Ra3f8]} Ncd5 23. Qc2 Rf7 {
[%csl Gd5]} 24. Bc5 (24. Bd6 Rc8) 24... Rfb7 25. Bd6 {[%csl Gb1,Gd6,Gg2]
Schwarz hat Probleme mit der Figurenkoordination.} Rc8 26. Bxd5 {[%cal Gb1b7]}
exd5 27. Qxf5 $16 {Weiß hat einen Bauern mehr und eine aktive Stellung.} Qd7 (
27... c3 28. Rec1 $16 {[%csl Rc3]}) 28. Qxd7 (28. Qc2) 28... Rxd7 29. Rb5 {
[%csl Rd5]} (29. Bc5 $5 Na4 30. e6 Rdc7 31. Bd6 Rc6 32. e7 Re8 (32... Kf7 $2
33. e8=Q+ Rxe8 34. Rb7+ $18) 33. Ba3 $16) 29... c3 $5 {Schwarz ergreift seine
Chance. Der c-Bauer ist gefährlich und es gibt einen neuen Springervorposten
für Schwarz auf c4.} 30. Rc1 (30. Bc5 $5 Na4 31. e6 Rdc7 32. Bd6 Rc6 33. e7 Re8
34. Ba3 (34. Rxd5 $2 Nb6 $17 {[%csl Rd5,Rd6][%cal Rb6d5,Rc6d6]})) 30... Rc4 31.
Rb4 {Weiß scheint wegen des schwachen schwarzen c-Bauern sofort zu gewinnen.}
Rdc7 $8 (31... Rxb4 32. Bxb4 Na4 33. Bxc3 Rc7 34. Bd2 $18) 32. Bxc7 Rxb4 33.
Rxc3 (33. Bxb6 $5 axb6 34. Rxc3 Rxd4 $16) 33... Rxd4 34. e6 {Weiß tauscht
nicht, denn sein Läufer ist viel aktiver.} (34. Bxb6) 34... Nc4 (34... Kf8 $2
35. Bd6+ Kg8 (35... Ke8 36. Rf3 $18) 36. Rf3 $18) 35. Rb3 {[%cal Rb3b8,Rb8g8]}
Kf8 36. Rb7 {[%csl Gb7,Gc7,Ge6]} (36. Bd8 Re4 37. e7+ Ke8 {[%csl Rd8] Weiß hat
einen Bauern mehr, aber der Läufer steht unglücklich.}) 36... Re4 37. Rxa7 Rxe6
{[%csl Ga2] Der starke erntfernte weiße Freibauer ist sehr gefährlich.} 38. Bf4
h6 39. h4 Re2 40. Kg2 (40. a4 Ra2) (40. Kf1 Rc2) 40... d4 {[%csl Gd4] Schwarz
hat auch einen gefährlichen Freibauern. Daher muß Weiß seinen a-Bauern gegen
den schwarzen d-Bauern tauschen.} 41. Rd7 Rxa2 42. Rxd4 $14 {[#]Weiß besitzt
einen Mehrbauern, aber es gibt keinen Freibauern, was die schwarze
Verteidigung erleichtert.} Rc2 43. h5 {[%csl Rg7,Gh5,Rh6]} Ke7 44. Kf3 Na5 45.
Rb4 (45. Be5 Nc6 46. Re4 Nxe5+ 47. Rxe5+ Kf6 $14 {Weiß steht natürlich besser,
aber Schwarz kann das Remis leicht erreichen.}) 45... Rc3+ 46. Kg4 Rc5 {
[%cal Gc5h5]} 47. Rb8 Nc4 (47... Nc6 48. Ra8 $14 (48. Rc8 $2 Ne5+ {[%cal Re5g4,
Rc5c8]} 49. Bxe5 Rxc8 50. f4 $11)) 48. Kh4 Ne5 49. Be3 Rc7 (49... Rd5) 50. Rb5
Nd7 51. g4 {Weiß mobilisiert seine Bauernmehrheit, aber das Material ist
reduziert und Schwarz sollte bei genauem Spiel nicht verlieren.} Kf7 52. Bd4
Nf8 (52... Rc4) 53. Be5 Ra7 54. f4 Ne6 55. Rb6 {Weiß hat das Maximum erreicht.
Wie soll es jetzt weitergehen? Nach z.B. g4-g5 kann Schwarz die Bauern
tauschen.} Nf8 {[%cal Gf8d7,Gd7e5,Gd7b6]} 56. Bb2 Ne6 57. Kg3 (57. f5 Nf8 $8 (
57... Ng5 58. Rg6 Kg8 59. f6 $16) 58. f6 Nd7 $11) 57... Rd7 58. Kf3 Rd3+ 59.
Ke4 Nc5+ 60. Kf5 (60. Ke5 Nd7+ 61. Ke4 Nxb6 $11) 60... Rb3 $1 61. Rc6 (61. Rxb3
Nxb3 $11 {Und die Stellung ist einfach remis. Weiß kann den Mehrbauern nicht
verwerten.}) 61... Rxb2 62. Rxc5 {Weiß hat nur symbolischen Vorteil. In der
Großmeisterpraxis kann man ein solches Turmendspiel nicht gewinnen.} Rb7 63.
Rd5 Ra7 {Mit einfachen Wartezügen hält Schwarz die Stellung.} 64. Ke5 Re7+ 65.
Kd4 (65. Kf5 $14) 65... Re1 66. Rd7+ Kf6 67. Rd6+ Kf7 68. Kd5 Rg1 (68... Rd1+
69. Ke5 Re1+ 70. Kf5 $14) 69. Rg6 Ra1 70. f5 (70. Rd6 Rg1) 70... Ra4 $11 {
[%csl Ga4] Der schwarze Turm steht ausgezeichnet. Weiß muß seinen Turm auf g6
behalten.} 71. Ke5 (71. g5 hxg5 72. Rxg5 Kf6 $11) 71... Rb4 72. f6 {Die letzte
Hoffnung für Weiß.} Rb5+ (72... gxf6+ 73. Rxf6+ Kg7 $11) 73. Kf4 gxf6 (73...
Rb4+ $11) 74. Rxh6 Kg7 {[%csl Rh6]} 75. Rg6+ Kf7 {Und endlich wurde Remis
gegeben. Weiß kann nichts erreichen.} 1/2-1/2

[Event "FIDE-Wch k.o."]
[Site "Groningen"]
[Date "1997.12.21"]
[Round "5.2"]
[White "Krasenkow, Michal"]
[Black "Short, Nigel D"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "2645"]
[BlackElo "2660"]
[Annotator "Ribli,Z"]
[PlyCount "68"]
[EventDate "1997.12.09"]
[EventType "k.o."]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "CBM 063"]
[Source "ChessBase"]
[SourceDate "1998.03.26"]
[SourceVersion "1"]
[SourceVersionDate "1998.03.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ (3... c5 $5) 4. Bd2 Be7 {Es scheint, Schwarz
habe ein Tempo verloren, aber in Wirklichkeit steht der d2-Läufer schlecht und
die natürliche Läuferentwicklung nach b2 ist nicht möglich. Ribli.} 5. Bg2 d5
6. Nf3 O-O 7. O-O c6 {Schwarz spielt die geschlossene Katalanische
Verteidigung.} 8. Qb3 (8. Qc2) 8... Nbd7 9. Bg5 (9. Bf4) 9... b6 (9... h6 10.
Bxf6 Bxf6 11. Nbd2 Qb6 12. e3 Qxb3 13. axb3 e5 14. cxd5 cxd5 15. dxe5 Nxe5 16.
Nxe5 Bxe5 17. Bxd5 Rd8 {1/2-1/2 Krasenkow,M-Goldin,A/Cappelle op 1992 (23)})
10. Re1 $146 {Weiß ist eigentlich in "Zugzwang" mit dem b1-Springer. Nach 10.
Nc3 wäre 10...Ba6 unangenehm und nach 10.Nbd2 spielt Schwarz einfach 10...Bb7.
Weiß möchte einen universellen Abwartezug machen. Nach 10...Bb7 spielt er 11.
Nc3 und nach 10...Ba6 11.Nbd2. Der Partiezug gefällt mir aber nicht, denn der
Turm steht nicht besser auf e1 als auf f1.} (10. Rd1 Bb7 (10... Ne4 11. Bxe7
Qxe7 12. Nc3 Nxc3 13. Qxc3 a5 14. e4 dxe4 15. Ne5 $14) 11. Nc3 Re8 $6 (11... h6
12. Bxf6 Nxf6 13. Ne5 Nd7 14. Nxd7 (14. Nd3 Rc8 15. e4 dxc4 16. Qxc4 Qc7 17. e5
$14) 14... Qxd7 15. e4 Rfd8 16. Rac1 Bf6 17. cxd5 cxd5 18. e5 Be7 19. Bf1 Rdc8
20. h4 h5 21. Bb5 Qd8 {1/2-1/2 Krasenkow,M-Ruban,V/RUS-ch 1995 (45)}) (11... a5
12. cxd5 cxd5 13. Rac1 Ne4 14. Bxe7 Qxe7 15. Nd2 Nef6 16. e3 Rfc8 17. a3 Ba6
18. Nb5 {1/2-1/2 Tukmakov,V-Chernin,A/Lvov zt 1990 (37)}) 12. Rac1 dxc4 13.
Qxc4 Nd5 14. Bxe7 Qxe7 15. Ne4 e5 16. Qb3 a5 17. Qa3 Nb4 18. dxe5 Nxe5 {
Tukmakov,V-Short,N/EUCup f 1988/1/2-1/2 (58)}) (10. Nc3 a5 $5 11. a4 Ba6 12.
cxd5 exd5 13. Rfd1 Re8 14. e4 Bc4 15. Qc2 dxe4 16. Nxe4 Bd5 17. Nc3 Rc8 {
1/2-1/2 Glavina,P-Giorgadze,G/ESP-chTB 1996 (58)}) 10... Bb7 11. Nc3 Ne4 $5 (
11... Rc8) 12. Bxe7 Qxe7 13. Nxe4 {Weiß strebt nach assymmetrischer Struktur.
Objektiv ist das nicht besonders gut, aber er hatte die erste Partie dieses
Miniwettkampfes verloren und muß so die zweite Partie um jeden Preis gewinnen,
um sich eventuell für die nächste Runde zu qualifizieren.} (13. Rac1) (13. Rad1
) 13... dxe4 14. Nd2 c5 $13 15. e3 (15. dxc5 Nxc5 16. Qe3 f5) (15. Nxe4 cxd4
$15) (15. Bxe4 Bxe4 (15... cxd4 $6 16. Bxb7 Nc5 17. Qf3 Nxb7 $11 (17... Qxb7
18. b4 Qxf3 19. Nxf3 $16 {[%csl Rd4]})) 16. Nxe4 cxd4 $15) 15... f5 {Wir haben
eine typische Stonewall-Stellung.} 16. Qc3 a5 17. Rad1 Rfc8 {[%cal Gc8c3]} 18.
f3 {Dieser Zug schwächt die weiße Königsstellung, aber Weiß sucht ja
Komplikationen.} exf3 19. Bxf3 (19. Nxf3 Nf6 $15 {[%csl Re4]}) 19... Nf6 20.
Bxb7 Qxb7 $15 {[%csl Gb7][%cal Gb7h1] Schwarz hat die bessere Figurenstellung
und es gibt Schwächen im Lager des Anziehenden.} 21. Rf1 b5 (21... Ne4 22. Nxe4
Qxe4 $15 {[%csl Ge4]}) 22. b3 (22. cxb5 cxd4 (22... Nd5 23. Qd3 $13) 23. Qxd4
Qxb5 $15) 22... bxc4 23. bxc4 (23. Nxc4 Ne4 {[%csl Ge4,Rg1][%cal Ge4g5,Gg5f3,
Gg5h3]}) 23... Qc6 24. d5 Qd6 (24... exd5 25. Rxf5 $11) 25. Nf3 (25. dxe6 Qxe6
$15 {Schwarz hat die etwas bessere Bauernstruktur und die weiße Königsstellung
ist angreiffbar.}) 25... exd5 26. cxd5 Ne4 {[%csl Ge4]} 27. Qc4 (27. Qe5 $5 g6
28. Qxd6 Nxd6 $15) 27... Rab8 {[%cal Gb8b1]} 28. Rb1 $2 {Der entscheidende
Fehler in etwas schlechterer Stellung.} (28. Qc2 g6 $15) {[#]} 28... Nxg3 $1
$17 {[%csl Rg1] Mit diesem schönen Springeropfer gewinnt Schwarz einen
Schlüsselbauern des weißen Königsflügels.} 29. Rfc1 (29. hxg3 Qxg3+ 30. Kh1
Rxb1 31. Rxb1 Qxf3+ $19) (29. Rxb8 Rxb8 30. hxg3 Qxg3+ 31. Kh1 Rb2 32. d6+ Kh8
$19 (32... Kf8 $6 33. Nd2 Qh3+ $19)) 29... Ne4 30. Kh1 {Weiß hat vier schwache
Bauern, eine offene Königsstellung und einen Minusbauern zurückbehalten.} Rd8 {
[%csl Rd5]} 31. a4 (31. Rxb8 Rxb8 $17) 31... Rxb1 32. Rxb1 g5 $19 {Der zweite
Bauerngewinn ist auch gut, aber der Textzug ist effektiver.} (32... Qxd5 33.
Qxd5+ Rxd5 $19) 33. Rb5 g4 34. Nh4 Qf6 {[%csl Rh4] und Weiß gab auf. Ribli.} (
34... Qf6 35. Ng2 (35. d6+ Kh8 $19) 35... Qa1+ $19) 0-1

[Event "RUS-chT 06th"]
[Site "St Petersburg"]
[Date "1999.05.16"]
[Round "1"]
[White "Poluljahov, Aleksandr"]
[Black "Akhmadeev, Vadim"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2566"]
[BlackElo "2467"]
[Annotator "Ribli,Z"]
[PlyCount "93"]
[EventDate "1999.05.16"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Belorechensk Khimik"]
[BlackTeam "Kazan Sberbank-Tatarstan"]
[WhiteTeamCountry "RUS"]
[BlackTeamCountry "RUS"]

{[%mdl 36]} 1. c4 {Baburin} e6 2. Nf3 d5 3. g3 Nf6 {Dieser Zug ist natürlich
und gut aber 3...dxc4 kommt in Betracht. Ribli.} 4. Bg2 Be7 (4... dxc4 $5) 5.
O-O O-O 6. b3 c6 {Dieser Zug ist ein wenig passiv. Meines Erachtens bietet die
Alternative Schwarz bessere Chancen auf Ausgleich.} (6... c5) 7. d4 Nbd7 8. Nc3
{Jetzt wir haben die Grundstellung der geschlossenen Variante der
Katalanischen Eröffnung. Der Springerzug ist das letzte Wort der Theorie.
Früher spielte man 8.Qc2 b6 9.Rd1 und im Falle von 9...Ba6 10.Nbd2, hingegen
nach 9...Bb7 10.Nc3. Mit dem Textzug möchte Weiß den Zug Qc2 sparen.} b6 9.
Bb2 Ba6 10. a4 {Das ist Kortschnojs Lieblingvariante. Weiß opfert zeitweilig
den c-Bauern, aber er gewinnt ihn auf c6 zurück. Ansondern kann, wie in der
Partie, der a-Bauer vorangehen.} (10. Nd2 b5 $5 11. cxb5 (11. e4 bxc4 12. bxc4
Rb8 13. Rb1 Nb6 14. e5 Ne8 15. c5 Nc4 16. Nxc4 Bxc4 17. Re1 Qa5 18. Qc2 Nc7 19.
Ra1 Rb7 20. Re3 Rfb8 {1/2-1/2 Danielsen,H-Dizdar,G/Manila olm 1992}) 11... cxb5
12. a3 Rc8 13. b4 $1 Nb6 14. Nb3 Nc4 15. Bc1 Nd7 16. Ra2 Bb7 $5 17. Nxb5 a6 18.
Nc3 Nxa3 19. Nxd5 {1-0 Kortschnoj,V-Lputian,S/Sarajevo 1998/CBM 66/[Kortschnoj]
(63)}) 10... Rc8 {Schwarz nimmt die Herausforderung nicht an und verteidigt
seinen c-Bauern. Der Nachteil des Zuges ist, daß im Falle von a4-a5 der Läufer
auf a6 immer unverteidigt ist.} (10... dxc4 $5 11. bxc4 Bxc4 12. Nd2 Ba6 13.
Bxc6 Rc8 14. Bg2 Nb8 $5 15. Nb5 Qd7 16. Qb1 $5 Bxb5 $5 17. axb5 Qxb5 18. Rxa7
Qxe2 19. Bc1 $1 $44 {1-0 Kortchnoi,V-Nogueiras,J/Moscow (ol) 1994 (32)}) 11.
Nd2 Re8 {Schwarz macht Platz für den Springer auf f8, aber dieses Manöver ist
nicht besonders gut für Schwarz. Ich glaube, der Zug 11...Bb7 ist logischer,
aber auch in diesem Fall muß Schwarz um den Ausgleich kämpfen.} (11... Bb7 12.
e4 dxe4 13. Ndxe4 Nxe4 14. Nxe4 Nf6 15. a5 Rc7 16. a6 Bc8 17. Nc3 $14 {1/2-1/2
Kortschnoj,V-Huebner,R/Tilburg 1985/MCL (42)}) 12. e4 $14 {Weiß hat
Raumvorteil und Übergewicht im Zentrum. Seine Läufer stehen gut in den langen
Diagonalen.} Nf8 (12... dxe4 13. Ndxe4 Nxe4 14. Nxe4 $14) 13. Re1 {Weiß räumt
die Diagonale des a6-Läufers.} (13. e5 N6d7 14. Re1 $14 c5 $6 15. Nb5 $36 {
[%csl Gb5]}) 13... Bb7 14. a5 $1 {Das ist eine Hauptidee des Systems 10.a4.
Weiß hat die Initiative am Damenflügel.} bxa5 (14... dxe4 15. Ndxe4 $14 (15. a6
Ba8 16. Ndxe4 Nxe4 17. Nxe4 $14)) 15. c5 {[%csl Ra5,Ra7]} Qc7 (15... Rb8 16. e5
N6d7 17. Ne2 $14 {[%cal Rb2c3,Rc3a5]}) 16. e5 N6d7 17. Ne2 {Weiß räumt das
Feld c3 für den Läufer.} Ba6 18. Bc3 {[%csl Ra5][%cal Rc3a5]} f5 $6 {Schwarz
schwächt freiwillig seine Königsstellung.} (18... Qb7 19. Nf4 Ng6 20. Nxg6 hxg6
21. Bxa5 $14 {[%cal Ga1a7] Weiß hat spürbaren Druck am Damenflügel.}) (18...
Ng6 19. Bxa5 Qb7 20. h4 $14) 19. h4 {Baburin: 'White enjoys great spatial
advantage and can start preparing an attack at his leisure.' Mit diesem Zug
gewinnt Weiß Raum am Königsflügel und sichert den Springervorposten auf f4.} (
19. exf6 $2 Bxf6 $15 {[%cal Ge6e5] Schwarz kann auf ...e6-e5 spielen und droht
eventuell eine kleine Kombination mit ...Bxe2 und ...Nxc5.}) 19... Bb5 20. Bxa5
Qb7 21. Nf4 {[%csl Gf4] Der Springer steht ausgezeichnet auf f4 und wegen 18...
f5 muß Schwarz immer auf den e6-Bauern achten.} Nb8 {Schwarz hat wenig Raum.
Mit dem Springerzug macht er Platz für die Dame.} 22. Qc2 Qd7 23. Nb1 {[%csl
Rb5][%cal Gb1c3,Gc3b5] Der weiße Springer strebt nach c3.} g5 $6 {Ein
scheinbar aktiver Zug, aber in Wirklichkeit eine neue Schwächung des
Königsflügels.} (23... a6 24. Nc3 $14) 24. hxg5 Bxg5 25. Bd2 {Es droht die
kleine Kombination 26.Nxd5!, denn nach 26...Bxd2 kommt 27.Nf6+.} Bxf4 26. Bxf4
$16 {[%csl Gf4,Yf6,Rg8] Weiß hat starke Kontrolle über die schwarzen Felder.
Im schwarzen Lager finden sich einige Felderschwächen.} Ng6 27. Bh6 {[%csl Gh6]
} (27. Bg5 $16) 27... Rc7 {[%cal Gc7h7,Gc7a7] Schwarz verteidigt die 7. Reihe.}
28. Nd2 {[%cal Gd2f3,Gf3g5] '!' Baburin. Baburin: 'Now this knight has
business on the kingside!' Die Situation hat sich geändert. Der Springer macht
sich auf den Weg zum Königsflügel.} Nh8 {[%cal Gh8f7]} 29. Nf3 Qf7 (29... Nf7
30. Bf4 $16 (30. Bd2 $16)) 30. Qd2 Nd7 (30... Qg6 $6 31. Nh4 $16) 31. Nh4 {
Weiß bereitet das Manöver Bf3 / Kg2 / Rh1 vor. Schwarz hat keinen aktiven Plan.
Er muß abwarten.} Ng6 32. Nxg6 hxg6 (32... Qxg6 33. Bf3 {Es droht Bf3 / Kg2 /
Rh1, gefolgt von Bh5.}) 33. Bf3 Nf8 34. Kg2 {[%cal Ge1h1,Gh1h8]} Nh7 35. Rh1 {
Weiß hat freie Hand am Königsflügel.} Qe7 36. Rh4 {[%cal Ga1h1,Gh1h8] Weiß
verdoppelt die Türme.} Qd8 (36... g5 37. Rh5 g4 38. Bd1 $16 {Und Weiß hat
klaren Vorteil. Er spielt Bc2 nebst und Rah1.}) 37. Rah1 {[%cal Gh1h8]} Rf7 38.
Be3 (38. Bg5 $1 {Später spielte Weiß das selbe Motiv (siehe 45.Bg5!), aber
jetzt geht das auch.} Qd7 (38... Qxg5 39. Rxh7 Qxd2 40. Rh8+ Kg7 41. R1h7#) 39.
Bf6 $18) 38... Rg7 39. Rh6 Qe7 (39... g5 40. Bxg5 Qxg5 (40... Nxg5 41. Rh8+ Kf7
42. Bh5+ $18 {[%csl Re8,Rf7][%cal Rh5e8]}) 41. Qxg5 Nxg5 42. Rh8+ Kf7 43. Bh5+
{[%csl Re8,Rf7][%cal Gh5e8]}) 40. Bd1 Rf8 41. f3 {Weiß muß sich nicht beeilen.
Er trifft weitere Vorbereitungen.} Re8 42. Bc2 Rf8 43. R6h2 Re8 44. Bh6 Rf7 45.
Bg5 $1 {Ein schönes Figurenopfer, das sofort gewinnt.} Nxg5 (45... Qd7 46. Bf6
$18) 46. Qxg5 $18 {[%csl Rg8][%cal Rh1h8,Rh8g8]} Rg7 (46... Qxg5 47. Rh8+ Kg7
48. R1h7#) 47. Qf6 (47. Qf6 Qxf6 48. exf6 $18 {[%csl Gf6,Rg8][%cal Rh1h8,Rh8g8]
}) 1-0

[Event "Bundesliga 0910"]
[Site "Germany"]
[Date "2009.11.14"]
[Round "3.4"]
[White "Roiz, Michael"]
[Black "Gyimesi, Zoltan"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2659"]
[BlackElo "2584"]
[Annotator "Roiz,M"]
[PlyCount "165"]
[EventDate "2009.10.16"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "GER"]
[SourceTitle "CBM 134"]
[Source "ChessBase"]
[SourceDate "2010.01.18"]
[SourceVersion "1"]
[SourceVersionDate "2010.01.18"]
[SourceQuality "1"]
[WhiteTeam "Werder Bremen"]
[BlackTeam "Eppingen"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

{[%mdl 32]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Bb4+ {Zoltan also plays many
other systems against the Catalan.} 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Bf4 Nbd7
{This order of moves is becoming more and more popular.} ({The previous game
between us saw} 8... b6 9. Nc3 Ba6 10. cxd5 cxd5 11. Rc1) 9. Qb3 $5 {This move
is less explored than 9.Qc2.} ({The main idea of 8...Nbd7 is to grab the pawn
after} 9. Nc3 dxc4 10. e4 $13) 9... b6 ({Alsoworth considering is:} 9... Nh5
10. Bc1 Nhf6 11. Rd1 b6) 10. Nc3 Ba6 11. cxd5 Nxd5 {No doubt, the strongest
capture.} (11... cxd5 {gives White easy play after} 12. Nb5 Bxb5 13. Qxb5 a6
14. Qd3 b5 15. Rfc1 Qb6 16. Rc2 Rfc8 17. Rac1 Qd8 18. Bc7 Qf8 19. Qe3 $14 {
1-0 Nielsen,P-Chuchelov,V/Germany 2003/EXT 2004 (38)}) ({While} 11... exd5 12.
Rac1 Re8 13. Rfd1 $14 {is not really a type of position which Black would like
to get in this system.}) 12. Qa4 ({Two years ago I tried:} 12. Rfe1 Nxf4 13.
gxf4 Qc7 14. e3 Bb7 15. Rac1 Rac8 16. Red1 Qb8 17. Ne5 Rfd8 18. a4 Nxe5 19.
dxe5 {1/2-1/2 Roiz,M-Almasi,Z/Dresden 2007/CBM 118}) 12... Nxf4 13. gxf4 Bb7
14. Rfd1 Qc7 15. e3 Rac8 (15... c5 16. d5 exd5 17. Nxd5 Bxd5 18. Rxd5 $14) 16.
Rd2 $6 $146 {Doubling the rooks along the d-file doesn't make sense.} ({
Much more natural would be:} 16. Rac1 Qb8 (16... c5 17. Nb5 Bc6 18. Qa6 Bxb5
19. Qxb5 $14) 17. Ne5 $1 {[%csl Rb7,Gg2]} Nxe5 18. dxe5 $14 {1-0 Khalifman,
A-Alekseev,E/St Petersburg 2004/CBM 102/[Ribli] (40)}) 16... Rfd8 17. Rad1 a6 {
A good prophylactic move - Black does not really intend to play ...b6-b5 next
move, but this resource could be very important in the future.} 18. Qc2 {
At this moment I wasn't satisfied with my previous play and couldn't
understand what I was going to do if Black simply played a waiting game!} ({
For instance after} 18. Ne5 Nxe5 19. dxe5 (19. fxe5 b5 20. Qc2 c5 21. d5 exd5
22. Nxd5 Bxd5 23. Rxd5 Rxd5 24. Rxd5 c4 $11) 19... b5 $1 20. Qc2 Rxd2 21. Rxd2
c5 $15) 18... g6 {An unnecessary prophylactic move.} (18... b5 19. Ne5 ({
Maybe Zoltan was preventing} 19. f5 exf5 20. Qxf5 {but I didn't like the
positions which arise after} g6 21. Qh3 Kg7) 19... Nxe5 20. fxe5 c5 21. d5 (21.
Bxb7 Qxb7 22. dxc5 Rxd2 23. Qxd2 Rxc5 24. Qd7 Qxd7 25. Rxd7 Bf8 $11) 21... exd5
22. Bxd5 Bxd5 23. Rxd5 b4 24. Ne4 Rxd5 25. Rxd5 c4 26. Nd6 Bxd6 27. exd6 Qd7
$11) 19. a3 ({White could force Black to play precise moves:} 19. Ne5 $142 Nxe5
20. fxe5 Bb4 $1 (20... c5 21. Bxb7 Qxb7 22. d5 $36) 21. Qe4 Qe7 $11 {[%cal
Gc8c7,Gb4c3,Gc6c5]}) 19... c5 20. d5 {Otherwise Black could seize the
initiative.} exd5 21. Nxd5 Bxd5 22. Rxd5 b5 {That is not a real mistake, but
my opponent understimated my next move.} ({Simpler would be} 22... Nf6 23.
Rxd8+ Rxd8 24. Ne5 Rxd1+ 25. Qxd1 Kg7 $11) 23. Bh3 $1 {After long thought I
came to the conclusion that it's possible to grab the pawn without much risk!}
(23. a4 Nb6 24. Rxd8+ Rxd8 25. Rxd8+ Qxd8 $11) 23... Nb6 ({Of course,} 23... f5
$6 {looks quite ugly, but White may exploit that weakening move only by
accurate play:} 24. a4 Nf6 (24... Kg7 25. Bf1 $16) 25. Rxd8+ Rxd8 26. axb5 axb5
27. Qb3+ Kg7 28. Rxd8 Qxd8 29. Bf1 $1 $14 (29. Qxb5 Qd1+ 30. Kg2 Qd5 $11)) 24.
Bxc8 Rxd5 $6 {Being in some time trouble, Zoltan makes the first mistake.} ({
During the game I had the feeling that Black has enough dynamic play after} 
24... Nxd5 25. Bxa6 Qc6 (25... Qb6 26. Qb3 $8 Qe6 $1 27. h3 Kg7 28. Ng5 Bxg5
29. fxg5 c4 30. Qc2 Qxa6 (30... Qe7 31. h4 Qe6 32. Rd4 Qxa6 33. e4 $11) 31. e4
Qe6 $11) 26. Qb3 (26. Qe4 Bf8 $1 27. Bxb5 $140 $2 Nxe3 $1 $19) 26... Qe6 $1 27.
Ne5 Kg7 $44) 25. Bxa6 ({I rejected} 25. Rxd5 $5 Qxc8 (25... Nxd5 26. Bxa6 Nxe3
27. fxe3 Qc6 28. Bxb5 Qxf3 29. Qe2 $14) 26. Re5 {without much reason.} {
It's practically impossible for a human to play} Kf8 $3 {[%csl Re5,Rg1][%cal
Gc8g4]} (26... Bf6 27. Qxc5 Qg4+ 28. Kf1 Bxe5 29. Nxe5 Qd1+ 30. Kg2 $16) 27.
Kf1 f6 28. Re4 {and even there it's not clear if Black may exploit the ugly
placement of Re4.}) 25... Qc6 (25... Qd7 26. Rxd5 Qg4+ 27. Kf1 Qxf3 28. Re5 $18
) 26. Rxd5 Qxd5 (26... Nxd5 27. Qe4 $16) 27. Kg2 $138 {Pinning myself!} (27.
Ne5 c4 $44) (27. Qe2 c4 28. Nd4 Bc5 $44) 27... c4 28. Qd2 Bf6 $2 {Till now
Black was playing quite well, but this simply gives up the second pawn.} ({
After} 28... Qxd2 29. Nxd2 Bf6 30. Bxb5 Bxb2 31. Nb1 (31. Bxc4 Bxa3 $14) 31...
Kf8 32. Kf3 Ke7 33. Ke2 Kd6 $14 {Black most probably could survive.}) 29. Qxd5
Nxd5 30. Bxb5 Bxb2 31. Bxc4 Nb6 32. Bb3 Bxa3 33. Ne5 $18 {Black loses the
second pawn, so the rest is a simple technical task!} Kg7 34. Nxf7 Nd7 35. Ng5
Nc5 36. Bc2 Bc1 37. h4 Bb2 38. Kg3 Bf6 39. Kg4 Be7 40. h5 Nd7 41. hxg6 hxg6 42.
Nf3 Bb4 43. Nh4 Nf8 44. f5 gxf5+ 45. Bxf5 Kf6 46. f4 Bc3 47. e4 Bb2 48. Nf3 Bc1
49. Nd4 Be3 50. Nc6 Bd2 51. e5+ Kf7 52. Kf3 Bc1 53. Ke4 Bd2 54. Bg4 Nh7 55. Kf5
Kg7 56. Bh5 Bc1 57. Be8 Nf8 58. Nd4 Bd2 59. Nb5 Ba5 60. Nd6 Bd8 61. Ne4 Nh7 62.
Nc3 Bh4 63. Nd5 Bd8 64. Bh5 Kh6 65. Bg6 Nf8 66. Be8 Kg7 67. e6 Nxe6 68. Kxe6
Bh4 69. f5 Bg5 70. f6+ Bxf6 71. Nxf6 Kh8 72. Nd7 Kg7 73. Ne5 Kh8 74. Kf6 Kg8
75. Bd7 Kh8 76. Nf7+ Kh7 77. Bf5+ Kg8 78. Be4 Kf8 79. Bh7 Ke8 80. Ne5 Kd8 81.
Ke6 Kc7 82. Nd7 Kc6 83. Bd3 1-0

[Event "Tata Steel-A 78th"]
[Site "Wijk aan Zee"]
[Date "2016.01.29"]
[Round "11"]
[White "Tomashevsky, Evgeny"]
[Black "Ding, Liren"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "2728"]
[BlackElo "2766"]
[Annotator "Sadorra,J"]
[PlyCount "106"]
[EventDate "2016.01.16"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "20"]
[SourceTitle "CBM 171"]
[Source "ChessBase"]
[SourceDate "2016.03.14"]
[SourceVersion "2"]
[SourceVersionDate "2016.03.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Bf4
Nbd7 9. Nc3 dxc4 {Aiming for an imbalanced game, signalling that Black wants
to fight!} ({The other approach is more quiet and solid} 9... Nh5 10. Bc1 Nhf6
11. Qd3 $5 {1/2-1/2 (46) Wojtaszek,R (2733)-Adams,M (2740) Biel SUI 2015, a
recent try at the top-level.} (11. b3 b6 12. Qc2 Bb7 13. Rd1 Rc8 14. e4 $14 {
1-0 (45) Ashwin,J (2472)-Spassov,L (2335) Varna 2013})) 10. e4 Re8 {Black
chooses to prepare himself against the possible central break rather than to
protect his c-pawn, which was tried not too long ago.} ({In the Qatar Masters,
the top Swedish GM challenged White's idea with the risky} 10... b5 $6 11. d5
$1 Qb6 {and even if Black was well prepared in this game, I don't think this
will gain more support in the future as White has different ways to keep the
initiative} 12. Be3 $5 ({also possible is} 12. d6 Bd8 13. b3 $1 $44) 12... Bc5
13. dxc6 Qxc6 14. e5 Nd5 15. Nd4 Qa6 {and White could've increased pressure
with} 16. a4 (16. Nxd5 $142 exd5 17. Nf5 $1 ({maybe White only considered the
forcing} 17. Bxd5 Bb7 {after which Black has no problems}) 17... Bb7 (17... Rb8
18. Qxd5 Bxe3 19. fxe3 $1 {with dangerous threats around the Black king.}) 18.
Qg4 $40 {with a decisive attack, which is no surprise as all Black pieces are
on the other side.}) 16... Nxe3 17. fxe3 {and now Black was able to start
energetic counterplay with} b4 $1 18. Ncb5 Rb8 19. Nc6 Rb6 20. Nc7 Qb7 21. Ne7+
Bxe7 22. Bxb7 Rxb7 23. Nb5 Nxe5 24. Qd4 f6 25. Rad1 Rd7 26. Qe4 Bc5 27. Rxd7
Bxd7 28. Nd4 Bxa4 29. Ra1 Bd7 30. Ra5 Bb6 31. Rxe5 fxe5 32. Qxe5 c3 33. bxc3
bxc3 34. Nxe6 Rf6 35. Nf4 c2 36. Qd5+ Be6 37. Qd2 Bb3 38. Qc3 Rf7 39. Ne2 Bd5
40. h4 h5 41. g4 hxg4 42. h5 g3 43. Qe5 Bf3 44. Nc1 Rf6 45. Nd3 g2 46. h6 Bc6 {
0-1 (46) Matlakov,M (2684)-Grandelius,N (2632) Doha QAT 2015}) 11. a4 b6 12.
Qe2 ({At the time of writing, a new move was tried in a most recent event:} 12.
Re1 a5 $6 (12... Bb4 {may be a safer approach, akin to Vitiugov's handling of
the position.} 13. Qe2 Ba6 14. Rad1 Qe7 $11 (14... Qc8 $5)) 13. Qc2 (13. d5 $1
$146 exd5 14. exd5 Bb7 (14... cxd5 15. Nxd5 Nxd5 16. Qxd5 Ba6 (16... Ra7 17.
Nd4 Bb7 18. Qxb7 $3 Rxb7 19. Nc6 $18) 17. Ng5 $18) 15. d6 Bf8 16. Nd2 {and
White can count on at least enough compensation for his strong d-pawn and
active pieces.}) 13... Ba6 14. Rad1 Bf8 15. h3 Rc8 16. g4 g6 17. d5 cxd5 18. e5
Qc7 19. Bg3 Ne4 20. Nxe4 dxe4 21. Ng5 Nc5 22. Nxe4 Nxe4 23. Rxe4 Red8 24. Red4
Rxd4 25. Rxd4 Rd8 26. Qd2 Rxd4 27. Qxd4 b5 28. axb5 Bxb5 29. Bf4 Bc5 30. Qe4
Qd8 31. Qb7 Be8 32. Bf3 Qh4 33. Be3 Bxe3 34. fxe3 Qg3+ 35. Kf1 Kg7 {0-1 (34)
Sachdev,T (2404)-Stefansson,H (2560) Reykjavik 2015}) 12... Ba6 13. Rfd1 Bb4
14. Ne1 $1 $146 {Up till this game, only the normal & routine Rac1 has been
tried where Black is doing fine. White's positional idea is to quickly
transfer the N to e3 where it controls key squares like d5 & c4, and allows
the g2-bishop to have more influence on the center. Simple but strong!} (14.
Rac1 Rc8 15. b3 $6 {only helps Black increase pressure on the queenside} (15.
Bf1 b5 (15... h6 $5 {a useful waiting move} 16. Ne5 Nxe5 17. dxe5 Nd7 18. Qg4
Bf8 $15 19. Bxh6 $2 Nxe5 $17) 16. axb5 (16. Ne5 Nxe5 17. dxe5 Nd7 18. axb5 Bxb5
(18... cxb5 19. Ra1 $36) 19. Qh5 $44) 16... cxb5 17. e5 Nd5 18. Nxd5 exd5 19.
Nh4 Rc7 20. Nf5 Nf8 21. Bd2 Bxd2 22. Qxd2 Re6 23. Qb4 Rb6 24. Nd6 Bc8 25. Bg2 {
1/2-1/2 (27) Grischuk,A (2760)-Vitiugov,N (2709) Plovdiv 2010}) 15... b5 16.
bxc4 bxc4 17. Ne5 Nxe5 18. dxe5 Nd7 {0-1 (36) Sjugirov,S (2625)-Vitiugov,N 
(2703) Tyumen 2012, and Black's extra material eventually decides the game.})
14... Qc8 {Logically preparing e6-e5 to contest White's central control.} 15.
Nc2 Bf8 16. Ne3 (16. e5 Nd5 {doesn't achieve anything} 17. Ne4 $2 c3 $17) 16...
e5 $1 (16... b5 $2 17. axb5 cxb5 18. e5 $18) ({Black cannot sit and wait} 16...
h6 $6 17. e5 (17. h4 $5 {followed by g4-g5!}) 17... Nd5 18. Nxc4 Nxf4 (18...
Qc7 19. Ne4) 19. gxf4 $16 {with the idea of Ne4, Rac1, and even creating
pressure on the g-file later.}) 17. dxe5 Nxe5 18. Bxe5 Rxe5 19. f4 Re8 20. e5
$14 {It's much easier to play White's position here, but Black's resources
cannot be underestimated. There's a good possibility that Evgeny is still in
his preps, as all of Black's previous moves were quite logical.} Qe6 ({Another
way was} 20... Bc5 21. Kh1 {but Liren probably didn't see the point behind
committing his bishop to c5 right away.}) 21. Kh1 ({The "best player" says the
way to maintain the initiative is} 21. Bf3 $142 $1 {preventing Black's idea in
the game} Nd7 $4 (21... Bc5 22. Kg2 Bxe3 23. Qxe3 Bb7 24. Qd2 $1 $14) 22. Bg4)
21... Nd7 $1 {[%csl Rd3][%cal Gd7c5,Gc5d3] Seems like the best plan is to
quickly transfer the knight to d3.} (21... Rac8 $6 {seems like a solid move to
a spectator, but it doesn't threaten anything and White simply doubles up} 22.
exf6 Qxe3 23. Qxe3 Rxe3 24. Rd7 Rce8 25. Bxc6 (25. Kg1 $2 Bc5 $19) 25... R3e6
26. Bd5 Rxf6 27. Rxa7 Bc8 28. Bxc4 {and Black doesn't have enough compensation
for the pawn.}) (21... Bb4 22. Rd2 Nd7 23. Rad1 Nc5 $6 24. Rd6 $18) 22. Nc2 Nc5
$1 {Black decides to sac a pawn for better piece placement, otherwise he risks
getting squeezed which Catalan players like to do!} (22... Rac8 23. Nd4 Qh6 24.
Nxc6 $1 $16) (22... Bb7 23. Nd4 Qg6 24. Qxc4 $16) 23. Nd4 Qc8 24. Bxc6 (24.
Nxc6 {loses the thread, after} Bb7 25. Nd4 Nd3 {[%csl Rd4,Re5][%cal Gf7f6]
Black is slowly taking over the intiative.}) 24... Nd3 $5 {Consistently
pursuing active play.} (24... Bb7 {may objectively be the safer way to equalise
} 25. Qg2 (25. Qf3 Bxc6 26. Nxc6 Qb7) 25... Bxc6 26. Nxc6 Qb7 27. Nb5 {but
White still keeps some pressure.}) 25. Qf3 Rb8 (25... Bc5 $1 26. Bxe8 Qxe8 (
26... Bxd4 $5 27. Rxd3 $1 cxd3 28. Bxf7+ Kxf7 29. Qd5+ Ke7 $1 (29... Kf8 30.
Qxd4 Bb7+ 31. Kg1 Qc6 32. Qd6+ $14) 30. Qxd4 Bb7+ 31. Kg1 Qc6 32. Qd6+ Qxd6 33.
exd6+ Kxd6 34. Rd1 Ba6 35. Nb5+ Bxb5 36. axb5 Kc5 {and the game should end in
a draw.}) 27. Ndb5 Nf2+ 28. Kg2 Qc8 $1 $44) 26. Rd2 Bb7 27. Rf1 Rd8 {At this
tense moment of the game, both sides try their best to thread their way
through by finding moves that keep the balance and it's inevitable for small
inaccuracies to crop up here and there.} 28. Bxb7 $6 {Allowing Black to
coordinate his pieces more.} ({It was better to keep the tension with} 28. Ncb5
a6 29. Na7 $1 {may it's this idea that escaped White} Qh3 30. Bxb7 Rxb7 31.
Nac6 $13 {with a complex game.}) 28... Rxb7 29. Nf5 Rc7 (29... Rbd7 $1 30. Ne4
Nc5 31. Ned6 Qa6 $15 {[%csl Ra4,Rd6,Rf5][%cal Gg7g6,Ga6a4]}) 30. Ne3 (30. Nb5
$5 Qxf5 31. Nxc7 Rd7 32. Nd5 (32. Nb5 $2 Ne1 $19) (32. g4 $5 Qg6 33. Nd5 Qe6)
32... Qe6 33. Nc3 (33. Ne3 Nxe5 $1) 33... Nxe5 34. Qe3 Qc6+ 35. Rg2 Nd3 $44 {
with a dynamically balanced game.}) 30... Qe6 (30... Rcd7 $5 31. Ne4 Ne1 32.
Rxe1 Rxd2 33. Nxd2 Rxd2 34. f5 $132) 31. Ne4 h6 $1 {A nice prophylactic move.}
32. Rc2 Rcc8 33. Re2 a6 34. g4 Nc5 35. Nc3 Rd3 36. Qg2 Rcd8 {Clearly it is
Black who has improved his position more in the past several moves.} 37. f5 $6
({Maybe it was better to prepare the push with} 37. Nc2) 37... Qxe5 38. Nxc4
Qf6 39. Ne5 R3d6 40. Nf3 {Material is still balanced but it's White's slightly
exposed king which will be a problem for a while.} b5 $5 {A nice practical
decision by Liren who executes another dynamic pawn sac aimed to maximise the
activity of his pieces!} (40... Rc8 41. h4 Qd8 $1 {I like this regrouping idea!
} 42. g5 h5 $15) 41. axb5 axb5 42. Nxb5 Rd1 43. Nc3 Rxf1+ 44. Qxf1 Qc6 45. Re3
Rb8 46. Qg2 Qa6 (46... Na4 $5 47. Nxa4 (47. Nd2 Qa6 $15) 47... Qxa4 $17 {
the b-pawn will eventually fall after which everybody shifts their attention
to the unsafe white king.}) 47. Ne4 $6 {Not the most solid way to continue but
it's almost impossible to correctly defend this position in practice.} (47. h3
Nd3 $6 {is hasty due to} 48. Qf1 $1 Rd8 49. Ne4 (49. Ne1 Qa8+) 49... Qc4 50.
Ne1 $11) 47... Nxe4 48. Rxe4 Rb3 $1 $17 {[%csl Rb2,Rf3,Rh1][%cal Ga6b7,Rb7b2,
Rb7f3,Rb3b2] With the idea of doubling up on the b-file while combining
pressure on White's kingside.} 49. Re1 Qb5 50. Nd4 Qb4 51. Qe4 (51. Nxb3 Qxe1+
52. Qg1 Qe4+ 53. Qg2 Qb1+ 54. Qg1 Qd3 $19) 51... Rxb2 52. f6 Qd6 53. Qe5 Rb1 $1
{A nice tactic to finish off some strong dynamic play!} 0-1

[Event "Continental Class-ch 5th"]
[Site "Virginia"]
[Date "2016.06.19"]
[Round "4"]
[White "Sadorra, Julio Catalino"]
[Black "Sukandar, Irine Kharisma"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2535"]
[BlackElo "2419"]
[Annotator "Sadorra,J"]
[PlyCount "77"]
[EventDate "2016.06.17"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "CBM 173"]
[Source "ChessBase"]
[SourceDate "2016.07.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.07.12"]
[SourceQuality "1"]

{This game was played in the penultimate round. I was facing the sole leader
of the event, so it was crucial that I created winning chances to get a good
shot at 1st place going into the last round.} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4.
Nc3 Be7 5. g3 O-O 6. Bg2 c6 7. O-O Nbd7 8. Qd3 Re8 $6 {I think my opponent was
trying to take me out of standard Catalan positions. It's a good idea to do so
in general, but it's not so effective when the opponent can play normal moves
without any risk.} (8... b6 9. Rd1 Ba6 (9... Bb7 10. Bf4) 10. b3 {leads to
standard Catalan positions.}) 9. Rd1 {I decided to prepare things before
changing the structure.} (9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 c5 $5 (11... Nf6
12. Qe2 Qa5 13. Bf4 Bd7 {is better for White but Black is very solid.}) 12. Rd1
Qc7 13. b3 (13. Bf4 Qb6) 13... Nf6 14. Qe2 cxd4 15. Nxd4 a6 16. Bf4 Qb6 $14)
9... Bb4 {Another non-standard idea which I met with the same approach of
playing useful moves.} (9... b6 10. e4 dxe4 11. Nxe4 Nxe4 12. Qxe4 Bb7 13. Bf4
{transposing to one of those Catalan lines where Black has wasted a tempo on ..
.Re8.}) 10. a3 {Questioning the B's main intention.} Ba5 (10... Bxc3 11. Qxc3
b6 12. Bf4 Bb7 13. Ne5 $16 {with the bishop pair and more space for nothing.})
11. Bf4 {Not changing the structure with b4 and playing useful moves first.}
Nf8 {Planning ...Ng6 to dislodge my bishop on f4, therefore I have to do
something active now.} 12. b4 Bc7 13. Bxc7 Qxc7 14. e4 dxe4 15. Nxe4 Nxe4 16.
Qxe4 Bd7 17. c5 $1 {A typical operation in these types of position. During the
game, I was thinking this I'm getting a better version of Alekhine-Asztalos,
1927.} (17. Qe2 $5 {or}) (17. Qc2 {were more cunning, as after} Rad8 18. c5 {
threatens 2 ways of getting a knight on d6. But I didn't see anything wrong
with the direct way of doing it.}) 17... f6 {Preventing the manoeuvre
Ne5-c4-d6.} 18. Nd2 Ng6 $6 {I wasn't sure about my opponent's exact defensive
idea but it seemed to me that it just gives up on the positional struggle over
the d6-outpost.} ({A more stubborn defence was} 18... b5 19. a4 (19. Qe2 f5 20.
a4) 19... Rab8 (19... a6 20. Ra3 $1 {a standard positional operation of taking
over a file} Qb7 21. Rda1 Ng6 22. Nb3 Ne7 $2 23. axb5 axb5 24. Na5 Qc7 (24...
Qc8 25. Nxc6 $1 Bxc6 26. Rxa8) 25. Nxc6 $1 Bxc6 26. Qxe6+ Kf8 27. Rxa8 $18) 20.
Nb3 Ng6 {and White still has plenty of work to do.} (20... bxa4 21. Rxa4 Rec8
22. Rda1 Rb7 23. Na5 Rb5 24. Nc4 $16) 21. Na5 Ne7) 19. Nc4 e5 $6 {Only helps
White as it gives me a second weakness to attack.} ({But it's also difficult
to recommend other ideas for Black} 19... Ne7 20. Nd6 Rf8 21. Bh3 {is almost
winning.} f5 22. Qe5 Nc8 (22... Nd5 23. Bg2) 23. Nxf5 $1 Qxe5 24. dxe5 exf5 25.
Rxd7 $18) 20. Nd6 Rf8 21. d5 {Creating tactical motifs against the poorly
placed enemy pieces.} (21. dxe5 {also looks good but when I checked it
concretely during the game, Black seems to be holding} Nxe5 22. f4 Nf7 23. Qc4
Rad8 24. Re1 Bc8) 21... Kh8 (21... f5 22. Qc4 {transposes to the game.}) 22.
Qc4 (22. Nxb7 {is tempting but} f5 $1 (22... Qxb7 23. dxc6) 23. Qf3 e4 {
ends in Black's favour.}) 22... f5 (22... cxd5 23. Bxd5 {is just crushing in
different ways.}) 23. Nf7+ {The right way to execute the discovery tactic.} (
23. dxc6 $2 Bxc6 {and f7 is covered.}) 23... Rxf7 (23... Kg8 24. Ng5 {should
win, among others.}) 24. d6 Be6 {Here, I took my time to compare my options.} (
{The attempt to trap the queen also must be checked:} 24... Qc8 25. Qxf7 Be6
26. Qc7 $18) 25. dxc7 ({The other option} 25. Qxe6 Qd7 26. Qxd7 Rxd7 27. b5 Rc8
28. bxc6 bxc6 29. Rab1 Kg8 30. Rb4 {is of course also better for White, but
the other candidate move is more forcing and devastating, but that's if you're
convinced by your analysis!}) 25... Bxc4 26. Rd8+ Rf8 27. Rad1 Bd5 $1 {This
defensive idea must be foreseen before playing dxc7.} 28. Rxa8 Rxa8 29. Bxd5
cxd5 30. Rxd5 Rg8 {When I first calculated this position I thought that at
least Black is holding, if not better, say after 31.Rd8 Ne7 32.b5 Nc8... But
after another check, I felt like looking for a study-like idea. After 10
minutes of checking (ofcourse before playing 25.dxc7) I found something:} 31.
Rd7 $3 {This quiet rook move is like a cold-blooded assassin that just entered
the building. The main idea is to paralyse (or dominate if you like) Black's
kingside pieces while the queenside pawns march down the board!} h5 32. b5 Kh7
(32... h4 {only helps White} 33. gxh4 $1 Kh7 (33... Nxh4 34. Rd8) 34. h5 {
with Rd8 next.}) 33. a4 Rc8 {Black threatens ...Nf8.} ({There's really no
other try:} 33... Kh6 34. Rd8 Ne7 35. Rxg8 Nxg8 36. c8=Q $18) (33... b6 34.
cxb6 axb6 35. a5 bxa5 36. b6 a4 37. b7 $18) 34. b6 {The rest is a display of
pawn power.} axb6 35. cxb6 h4 36. a5 h3 37. Rd8 Ne7 38. Rxc8 Nxc8 39. a6 {
...and Black resigned.} 1-0

[Event "Olympiad-31"]
[Site "Moscow"]
[Date "1994.12.05"]
[Round "5.3"]
[White "Psakhis, Lev"]
[Black "Miladinovic, Igor"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "2605"]
[BlackElo "2500"]
[Annotator "Shipov,S"]
[PlyCount "36"]
[EventDate "1994.12.01"]
[EventType "team-swiss"]
[EventRounds "14"]
[EventCountry "RUS"]
[SourceTitle "CBM 045"]
[Source "ChessBase"]
[SourceDate "1995.04.01"]
[SourceVersion "1"]
[SourceVersionDate "1995.04.01"]
[SourceQuality "1"]
[WhiteTeam "Israel"]
[BlackTeam "Serbia & Montenegro"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "YUG"]

1. c4 {Ftacnik} e6 2. Nf3 d5 3. d4 Nf6 4. g3 Be7 5. Bg2 O-O 6. O-O c6 7. Nc3
Nbd7 8. Qd3 (8. Qc2) (8. Nd2) (8. b3 $1) 8... b6 9. e4 (9. cxd5 cxd5 10. Bf4 a6
$10) 9... Ba6 (9... a5 10. b3 Ba6 11. exd5 cxd5 12. a4 Nb8 13. Ne5 $14 {
Romanishin,O-Dolmatov,S/Erevan/1982/}) 10. b3 dxc4 $1 (10... Ne8 $14) (10...
Rc8 $14) (10... dxe4 11. Nxe4 b5 $5) (10... b5 $5) 11. bxc4 {[#]} e5 12. Rd1 (
12. dxe5 $2 Ng4 13. Bf4 g5 $1 14. Nxg5 Ngxe5 15. Qe3 Nxc4 $17 {Kouatly,
B-Pfleger,H/Royan/1988/}) 12... Qc7 (12... Bb4 13. Bb2 exd4 14. Nxd4 Ne5 15.
Qc2 $44 Qc8 {Ftacni} 16. Nf5 Re8 17. Qc1 h6 18. Ne2 Bc5 19. Nf4 Nfg4 20. Bd4
Bf8 21. h3 c5 22. Bc3 Nf6 23. Nd5 Nfd7 24. f4 $36 {Inkiov,V-Letzelter,JC/
Buenos Aires olm/1978/1-0 (32)}) (12... exd4 13. Nxd4 Ne5 14. Qc2 Qe8 15. Bf4 (
15. Bg5 $5 Bxc4 16. Nf5 $44 Rd8 {Ftacnik} 17. h3 h6 18. Rxd8 Bxd8 19. Bf4 b5
20. Qd2 Qd7 21. Bxh6 gxh6 22. Qxh6 Ne8 23. Qh5 Qe6 24. Nh6+ $10 {Hansen,
LB-Pliester,L/Wijk II/1994/}) 15... Nfd7 $1 (15... Nxc4 16. e5 $36) 16. Bh3 Bf6
17. Nxc6 $6 (17. Nf5 $13) 17... Nf3+ 18. Kg2 Nc5 19. Rd6 Bxc3 20. Qxc3 Bb7 $17
{Piket,J-Polugaevsky,L/Aruba/1994/}) 13. dxe5 (13. Bb2 $2 exd4 14. Nxd4 Ne5 $17
) 13... Nxe5 14. Nxe5 Qxe5 15. Bb2 $6 (15. Bf4 Qc5 (15... Qe6 $5) 16. e5 Nh5 (
16... Bxc4 $6 17. exf6 $2 (17. Qc2 $32 Nd5 18. Ne4 $36) 17... Bxd3 18. fxe7
Qxc3 $1 19. exf8=Q+ Rxf8 20. Rac1 Qa3 $17) 17. Be3 (17. Ne4 Nxf4 $1) 17... Qxe5
18. Bxc6 Rad8 $10 19. Bd4 {Ftacnik} Qg5 20. Nb5 Bc5 21. Qe3 Qxe3 22. fxe3 Nf6
23. Bxc5 bxc5 24. Nxa7 $14 {Sorokin,M-Hoffman,A/San Martin (03)/1993/0.5 (50)})
15... Qe6 $1 16. e5 $8 (16. Bf1 $142 {Ftacnik}) 16... Ng4 $1 (16... Qxe5 17.
Nd5 Qxb2 18. Nxe7+ Kh8 19. Nxc6 $14) 17. Re1 (17. Nd5 cxd5 18. Bxd5 (18. cxd5
Bxd3 19. dxe6 Rad8 $1 $19) 18... Qc8 $17) (17. Qd7 $5 Nxf2 18. Kxf2 Bc5+ $40) (
17. Qe4 {Ftacnik} Bc5 18. Rd2 Nxe5 $17) 17... Rad8 18. Qe4 $2 (18. Qc2 Bxc4 $17
) 18... Bc5 $1 $19 (18... Bc5 19. Nd1 (19. Re2 Bxc4 $19 (19... Nxf2 {Ftacnik}
20. Rxf2 Bxf2+ 21. Kxf2 Rd2+ $19)) 19... Rxd1 20. Raxd1 Nxf2 $19) 0-1

[Event "Ankara zt"]
[Site "Ankara"]
[Date "1995.??.??"]
[Round "9"]
[White "Nikolaidis, Ioannis"]
[Black "Anastasian, Ashot"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "2505"]
[BlackElo "2530"]
[Annotator "Shipov,S"]
[PlyCount "80"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "TUR"]
[SourceTitle "CBM 049 Extra"]
[Source "ChessBase"]
[SourceDate "1996.01.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.01.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Nbd7 5. Nf3 c6 6. Nc3 Be7 (6... dxc4 $5) 7.
O-O dxc4 8. a4 O-O 9. e4 e5 $1 (9... a5) (9... b6) 10. dxe5 (10. Nxe5 $6 Nxe5
11. dxe5 Ng4 $36) 10... Ng4 11. Bf4 Bc5 {N/} (11... g5 $5 12. Nxg5 Ndxe5 13.
Qxd8 Rxd8 14. f3 (14. h3 $5 Bc5) 14... Bc5+ 15. Kh1 Ne3 16. Bxe5 Nxg2 17. Bf6
Rd3 18. Kxg2 Rd2+ 19. Kh1 h6 $13 {Ristic,N-Maksimovic,B/YUG/1989/0:1/48/}) (
11... Qa5 12. e6 (12. Qe2 Ndxe5 13. Nxe5 Nxe5 14. Bxe5 Qxe5 15. Qxc4 Be6 $15)
12... fxe6 13. Qe2 (13. Bd6 Bxd6 14. Qxd6 Nde5 15. Nxe5 Nxe5 16. Rab1 Rd8 17.
Qe7 Ng6 18. Qa3 e5 $15 {Sosonko,G-Van der Wiel,J/Wijk aan Zee/1987/0,5/30/})
13... Nge5 14. Nd4 Nb6 15. Bd2 Bb4 16. Nc2 c5 17. Qh5 Nc6 18. e5 (18. Ne3 $6
Bd7 19. e5 Be8 20. Qh3 Nd4 $1 $17 {Gelfand,B-Timman,J/Tilburg/1990/0:1/47/})
18... Rf5 19. Qe8+ Rf8 20. Qh5 Rf5 21. Qe8+ {Vaulin,A-Gorelov,S/Pavlodar/1991/}
) 12. e6 (12. Qe2 Qe7 13. Qxc4 Ndxe5 $10) (12. h3 Nxf2 $1 13. Rxf2 Bxf2+ 14.
Kxf2 Qb6+ $13) 12... fxe6 13. Qe2 (13. e5 $5 {/\Ne4/}) 13... e5 14. Bg5 Qa5 (
14... Qb6 $2 15. a5 $1) 15. h3 $5 (15. Qxc4+ Kh8 16. h3 $6 Nxf2 $1 17. Rxf2
Bxf2+ 18. Kxf2 Qb6+ 19. Kf1 Qxb2 $40) 15... Nxf2 $1 (15... Ngf6 16. Qxc4+ Kh8
17. Rad1 $14) 16. Rxf2 Bxf2+ 17. Qxf2 (17. Kxf2 b5 $1 $36) 17... Nc5 18. Be3
Nd3 19. Qe2 $2 (19. Qc2 $1 b5 20. Ne1 $14) 19... b5 20. Ne1 b4 $1 21. Nd1 Nxe1
22. Qxe1 Be6 $15 23. Bd2 Rab8 24. Ne3 c3 $1 25. Bc1 $1 (25. bxc3 b3 26. c4 Qc5
$17) 25... b3 26. Nf5 $5 Bxf5 (26... Qb4 $5 {/\27.bc b2!/}) 27. exf5 Rxf5 (
27... Qb4 $5 {/\c2|^/}) 28. bxc3 $1 b2 29. Rb1 Rff8 30. Be3 (30. Rxb2 $2 Rxb2
31. Bxb2 Qb6+ $19) (30. Bxb2 Rb3 $1 (30... Qb6+ $2 31. Kh2 Rf2 32. a5 $13) 31.
Kh2 Rfb8 32. Qe2 Qb6 $19) 30... Qxa4 31. Bc5 Rfd8 32. Be7 $1 (32. Qxe5 Qd1+ $1
$19) 32... Rd1 (32... Rd7 $6 33. Qxe5 $36) 33. Rxd1 Qxd1 34. Qxd1 b1=Q 35. Qxb1
Rxb1+ 36. Kf2 $10 Rb2+ 37. Kf1 (37. Kf3 e4+ $19) 37... Rc2 38. Bb4 c5 39. Bd5+
Kh8 40. Ba5 Rd2 1/2-1/2

[Event "ISR-chT"]
[Site "Israel"]
[Date "1997.05.02"]
[Round "10"]
[White "Alienkin, Aleksander"]
[Black "Tyomkin, Dimitri"]
[Result "1/2-1/2"]
[ECO "E07"]
[WhiteElo "2420"]
[BlackElo "2450"]
[Annotator "Tyomkin,D"]
[PlyCount "61"]
[EventDate "1997.??.??"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "CBM 059"]
[Source "ChessBase"]
[SourceDate "1997.08.01"]
[SourceVersion "1"]
[SourceVersionDate "1997.08.01"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. c4 e6 4. Qb3 Nf6 5. Nc3 Nbd7 6. g3 Be7 (6... Nb6 7. c5
Nbd7 (7... Nc4 $5) 8. Qa4 e5 9. b4 exd4 (9... e4 $13) 10. Nxd4 g6 11. Bg2 Bg7
12. O-O O-O 13. Bf4 (13. Rd1 {/\14.e4,14.Bf4-d6}) 13... Nh5 (13... Re8 14. Rad1
$16) 14. Be3 a6 (14... Ne5 $14) 15. Rad1 Ne5 16. Qb3 Bd7 17. Bc1 f5 18. f3 (18.
Nxd5 cxd5 19. Bxd5+ Kh8 20. Bxb7 Ra7 $13 21. c6 Rxb7) 18... Kh8 19. e4 fxe4 20.
fxe4 $16 {Wojtkiewicz-Smagin, Palma 1989}) 7. Bg2 O-O 8. O-O Nb6 9. c5 $6 $146
(9. cxd5 {Tyomkin,D} exd5 10. Bf4 (10. a4 $6 a5 {[%csl Rb4]} 11. Ne5 (11. Bf4
Nc4 {[%cal Ge7d6]} 12. e4 Nxe4 13. Nxe4 dxe4 14. Qxc4 exf3 $17 {[%csl Rd4]
[%cal Gc8e6,Ge6d5]}) 11... Nbd7 12. Bf4 Nxe5 13. Bxe5 (13. dxe5 Nd7 {[%cal
Gd7c5]} 14. e4 d4 $15) 13... Re8 14. Rad1 (14. e4 dxe4 15. Nxe4 Nxe4 16. Bxe4
Bb4 {[%cal Gc8e6,Yf7f6]} 17. Rad1 $140 $2 Bh3) 14... Bb4 $1 {[%csl Ye4]} (14...
b6 $6 {[%cal Gc8a6]} 15. e4 Ba6 16. Rfe1 {|^[+]}) 15. Na2 Bd6 16. Bxd6 Qxd6 17.
Nc3 Bf5 18. Rd2 Re7 19. Rc1 Rae8 $15 {[%cal Gd6b4,Ge7e2] <->e Sokolsky,
A-Simagin,V/Vilnius URS sf 1949 (33)/0-1}) 10... Nc4 $6 {According to opening
strategy Black should first develope his pieces} (10... a5 {[%cal Ga5a4]} 11.
Ne5 Bf5 {[%csl Ye4]} (11... a4 12. Qc2) 12. Rfe1 a4 13. Qd1 Re8 $15) (10... Re8
$5) (10... Bf5 $5) (10... Bd6 11. Ne5 Re8 $6 (11... Bf5) 12. e4 $1 Be6 13. Nxc6
$1 bxc6 14. Bxd6 (14. e5 $2 Bc7 15. exf6 Bxf4 $17) 14... Qxd6 15. e5 Qd8 16.
exf6 Qxf6 17. Qd1 $14 {[%cal Gb2b3,Ga1c1]}) 11. Ne5 Nxe5 12. Bxe5 Qb6 13. Qc2
Nd7 {[%cal Gc3a4]} 14. Na4 Qb4 (14... Qa5 15. Bf4 {now white can choose
beetwing playing on the queenside by pushing pawns or opening the center by
pushing e2-e4 using better development of his pieces}) 15. a3 Qc4 16. Qxc4 dxc4
17. Bc7 Nf6 18. e4 Be6 19. Nc5 Bxc5 20. dxc5 Rfc8 21. Bd6 $16 {Alvarez,
R-Guerra,D/ESP-ch Lleida 1991/1-0 (73) _|_ ^^}) 9... Nbd7 $15 {[%cal Ge6e5]}
10. Bf4 b6 11. cxb6 axb6 12. Rfe1 {[%cal Ge2e4,Yg2a8]} b5 {[%cal Gd7b6,Gb6c4]}
(12... Ba6 13. e4 (13. Qc2 c5 14. Rad1 (14. e4 dxe4 15. Nxe4 Nxe4 16. Qxe4 Nf6
$15)) 13... dxe4 14. Nxe4 Nxe4 15. Rxe4 Nf6 16. Ree1 Nd5 17. Ne5 Bb7 (17...
Nxf4 18. Nxc6 Qc7 (18... Nxg2 19. Nxd8 Nxe1 20. Nc6 $18) 19. Nxe7+ Qxe7 20.
gxf4 Bb7 21. d5 $16) 18. Rac1 Nxf4 19. Bxc6 Ra7 20. gxf4 Qxd4 21. Re4 $36 (21.
Bxb7 Rxb7 22. Qf3 $14)) (12... Bb7 $5) 13. a3 Nb6 (13... Bb7 $142) 14. Ne5 Bb7
15. e4 Nfd7 $2 (15... dxe4 $142 16. Nxe4 (16. Rad1 Nbd5) 16... Nbd5 $1 (16...
Qxd4 17. Nxc6 $1 (17. Rad1 Qa4 18. Qxa4 Nxa4 19. Nxc6 Bxc6 20. Nxf6+ Bxf6 21.
Bxc6 Nxb2 $17) 17... Bxc6 18. Nxf6+ Bxf6 19. Bxc6 Ra5 (19... Qxb2 20. Qxb2 Bxb2
21. Rab1 $14) 20. Re2 $14 (20. Rad1 $2 Qxb2 21. Qxb2 Bxb2 22. Bc7 Bxa3)) 17.
Qf3 Nxe4 18. Qxe4 Ra4 $15 {[%cal Gc6c5]}) 16. Nxd7 Qxd7 17. exd5 exd5 18. Na2
$1 {[%cal Ga2b4,Gb4d3,Yd3e5,Yd3c5]} (18. Bh3 Qxh3 19. Rxe7 Bc8 20. f3 Be6 $132)
18... Nc4 (18... Ra4 $6 19. Nb4 (19. Nc3 Rxd4 $140 20. Be3) 19... Bxb4 20. axb4
Re8 21. Qc3 (21. Bh3 $4 Rxa1 $19) (21. Rad1) 21... Rxa1 22. Rxa1 Qf5 23. b3 $16
) 19. Nb4 Rfe8 $2 (19... Bf6 $1 {[%csl Rd4]}) 20. Nd3 Bf8 21. Ne5 Nxe5 22. Bxe5
Ra4 {[%csl Rd4][%cal Gf7f6]} 23. Qd3 {[%cal Gb2b4]} Ba6 $2 {[%cal Gb5b4]} (
23... b4 24. axb4 Rxb4 25. Qc3 Rc4 (25... Rb5 {[%cal Gf8b4]} 26. Qc2) (25...
Qf5 $2 26. Bd6 $3 $18) 26. Qd3 Bc8 $15 {[%cal Gd7b7]}) 24. b4 $1 $14 Bb7 25.
Bf3 $1 {[%cal Gf3d1,Gd1c2]} Rea8 26. Bd1 R4a7 (26... Rxb4 $4 27. Bc2) 27. Bc2
g6 (27... Qh3 $142 {[%cal Gb7c8]} 28. Qc3 Ra6 $14) 28. Qf3 {[%cal Ge1e3,Gf3f6]}
Bg7 29. Bxg7 Kxg7 30. Re3 Qd6 31. Rae1 $138 {+/= <->e} 1/2-1/2

[Event "Dubai op"]
[Site "Dubai"]
[Date "2001.04.25"]
[Round "9"]
[White "Volzhin, Alexander"]
[Black "Neverov, Valeriy"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "2528"]
[BlackElo "2562"]
[Annotator "Volzhin,A"]
[PlyCount "82"]
[EventDate "2001.04.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "UAE"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. g3 O-O 6. Bg2 dxc4 7. O-O Nbd7 8. e4
Rb8 $5 {This old line becomes now more and more popular. The game
Kramnik-Lputian where the outcome of the opening fight was disastrous for the
world-title rival (at that time) boosted the line a lot.} 9. a4 a6 10. a5 (10.
Nd2 $6 b5 11. e5 Nd5 12. Bxd5 exd5 13. Nxd5 Bb7 14. Nxe7+ Qxe7 15. Nf3 Qe6 16.
Be3 Qd5 $17 {Gruenberg,R-Stelting,T/GER 1979}) ({White has tried to sacrifice
the pawn forever:} 10. Qe2 b5 11. axb5 axb5 12. Bf4 {Pytel,K-Sydor,A/POL(ch)
1972, hoping for his pawn centre and space advantage. But I don't belive such
sort of stuff may be good for White.}) 10... b5 11. axb6 Nxb6 (11... cxb6 $6 {
is weaker:} 12. Bf4 Ra8 13. Nd2 (13. d5 $5 $44 {is worth considering.}) 13...
b5 14. Nxb5 (14. e5 $6 Nd5 15. Nxd5 exd5 16. Bxd5 Ra7 17. Be4 Nb6 18. Qf3 Be6
$13 {><d5}) 14... Nb6 15. Bc7 Qd7 16. Bxb6 Qxb5 17. Ba5 $14 {and White is
clearly better due to the weakness of c4-pawn.}) 12. Qe2 (12. Qc2 Bb7 13. Rd1
h6 14. Bf4 Bb4 15. Ne5 Qe7 16. Na4 Rbc8 17. Bd2 Bxd2 18. Rxd2 Nxa4 19. Rxa4 c5
20. Rxc4 cxd4 21. Rdxd4 Rfd8 22. Rxd8+ Qxd8 23. Rxc8 Qxc8 24. Qxc8+ Bxc8 $11 {
, and the endgame is drawish, Miton,K-Nielsen,P New York 2000}) 12... Bb7 (
12... c5 $6 {looks premature:} 13. Bf4 Rb7 14. Rfd1 $36) 13. Rd1 Bb4 14. Ne5
Qe7 $6 {Wasting an important tempo.} (14... a5 $1 {should be played:} 15. Na2
Ra8 16. Bg5 Be7 17. Nxc4 Ba6 18. b3 a4 $1 {with excellent chances for Black,
Kramnik-Lputian, 2000.}) 15. Bg5 $1 $14 {/\16.Ng4} h6 $8 16. Bxf6 Qxf6 17. Nxc4
Nxc4 18. Qxc4 Qe7 $8 19. e5 $5 (19. Na2 Ba5 20. b4 Bb6 {/\Rfd8,e5<=>} 21. e5
Bxg2 22. Kxg2 a5 $1 $11) 19... Bxg2 20. Kxg2 c5 $2 {A gross positional mistake.
} (20... a5 $14 {/\ Rfd8-d7, Rbd8 should be preffered.}) 21. d5 $1 $16 exd5 22.
Rxd5 Bxc3 (22... a5 23. Ne4 $16 {is clearly better for White since the black
bishop is "off-side" .}) 23. bxc3 Qb7 24. Rxa6 Rfe8 $1 25. Rad6 $1 {[]} Rxe5
26. Qxc5 Rbe8 27. c4 Re4 28. Rd7 Qb1 29. Rd8 Re1 30. Rxe8+ Rxe8 31. Re5 Rd8 (
31... Rxe5 32. Qxe5 $18) 32. Qb5 $1 Qxb5 33. cxb5 $18 {The rook ending is
easily won for White.} Rd2 34. Kf3 Rb2 35. h4 g6 36. Ke3 f6 37. Rc5 Kf7 38. h5
gxh5 39. Rxh5 Rb3+ 40. Kd4 Kg6 41. Rd5 Rb2 (41... Rb2 42. Kc5 Rxf2 43. b6) 1-0

