[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1990.01.??"]
[Round "9"]
[White "Van der Wiel, John"]
[Black "Short, Nigel D"]
[Result "1-0"]
[ECO "B29"]
[WhiteElo "2550"]
[BlackElo "2635"]
[Annotator "Anand,V"]
[PlyCount "91"]
[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. e4 {Boensch} c5 2. Nf3 Nf6 {Short had lost his last two games and this
choice of opening is peculiar} 3. e5 Nd5 4. Nc3 e6 (4... Nxc3 5. dxc3 e6 6. Bf4
Nc6 {Murey has tried this a couple of times}) 5. Nxd5 exd5 6. d4 Nc6 7. dxc5
Bxc5 8. Qxd5 d6 (8... Qb6 9. Bc4 Bxf2+ 10. Ke2 O-O 11. Rf1 Bc5 12. Ng5 Nd4+) 9.
exd6 Qb6 10. Qe4+ $1 (10. Bc4 {Boensch} Bxf2+ 11. Ke2 O-O 12. Rd1 Be6 13. Qe4
Rae8 14. Kf1 Bd7 $13 {Hübner-Heidrich BL 1984/85}) 10... Be6 11. Bc4 {This
seems to refute black's strategy.} (11. d7+ {Boensch} Kxd7 12. Be3 $13) 11...
Qb4+ (11... Bxf2+ 12. Ke2 O-O-O (12... O-O {Boensch} 13. Ng5 g6 14. Nxe6 Rae8 (
14... fxe6 15. Bh6 $18) 15. Bh6 $18) 13. Bxe6+ fxe6 14. Rd1 $16 {Van der Wiel})
12. Nd2 O-O 13. O-O Rae8 14. c3 Qb6 15. Nf3 h6 16. b4 Bxd6 17. Be3 Qc7 18. Bxe6
Rxe6 19. Qc4 Rfe8 20. Rad1 $1 (20. b5 $2 Na5 21. Qxc7 Bxc7 $14) 20... a6 21. a4
Re4 22. Qd3 R8e6 23. a5 f5 24. h3 Qf7 25. Qd5 Kh7 26. Bc5 Bb8 27. Qd7 Qh5 28.
Rd5 $1 (28. Qxb7 Rg6 $132 (28... Rg6 {Boensch} 29. Kh1 Reg4 $19)) 28... Be5 29.
Qxe6 $1 {This queen sacrifice is the clearest way to win.Black is deprived of
any counterplay} Bh2+ 30. Kxh2 Rxe6 31. Rd7 $18 Qe8 32. Rxb7 Nd8 (32... Nxa5 $2
{Boensch} 33. bxa5 Qc6 34. Rb6 $18) 33. Ra7 Re4 34. Rd1 Ne6 35. Rdd7 Qb8+ 36.
Bd6 Qb5 37. Nd4 Rxd4 38. cxd4 Kg6 39. Be5 Kh5 40. Rd6 Ng5 41. Bxg7 Qb8 42.
Raxa6 Ne4 43. Be5 Nxd6 44. Rxd6 Qg8 45. Bf4 Qg3+ $3 {A 66%er-Short} 46. Bxg3 (
46. Kxg3 $2 {Boensch Patt!}) (46. fxg3 $2 {Boensch Patt!}) 1-0

[Event "Bonn GSK"]
[Site "Bonn"]
[Date "1993.??.??"]
[Round "?"]
[White "Luetke, Jens"]
[Black "Von Gleich, Alexander"]
[Result "1-0"]
[ECO "B29"]
[WhiteElo "2335"]
[BlackElo "2335"]
[Annotator "Blatny,P"]
[PlyCount "89"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "8"]
[SourceTitle "CBM 034"]
[Source "ChessBase"]
[SourceDate "1993.06.01"]
[SourceVersion "1"]
[SourceVersionDate "1993.06.01"]
[SourceQuality "1"]

1. e4 {Von Gleich} c5 2. Nf3 Nf6 3. e5 (3. Nc3 Nc6 4. d4 d5 $5 5. exd5 Nxd5 6.
Bc4 Nxc3 7. bxc3 e6 8. O-O Be7 9. Be3 Qa5 $132 {Tolnai-Neuenschwander, Bern op
1992}) 3... Nd5 4. Nc3 e6 (4... Nxc3 5. dxc3 e6 6. Bf4 Nc6 {Murey}) 5. Bc4 (5.
Nxd5 exd5 6. d4 Nc6 7. dxc5 Bxc5 8. Qxd5 d6 (8... Qb6 9. Bc4 Bxf2+ 10. Ke2 O-O
11. Rf1 Bc5 12. Ng5 Nd4+ {/\Ne6}) 9. exd6 Qb6 10. Qe4+ (10. Bc4 Bxf2+ 11. Ke2
O-O 12. Rd1 Be6 13. Qe4 Rae8 14. Kf1 Bd7 $13 {Huebner-Heidrich, BL 1984/85})
10... Be6 11. Bc4 $1 Qb4+ (11... Bxf2+ 12. Ke2 O-O 13. Ng5 g6 14. Nxe6 Rae8 (
14... fxe6 15. Bh6 $18) 15. Bh6 $18) 12. Nd2 O-O 13. O-O Rae8 14. c3 Qb6 15.
Nf3 h6 16. b4 Bxd6 17. Be3 $16 {Van der Wiel-Short, Wijk-A 1990}) 5... Nf4 6.
O-O Nc6 7. d4 Ng6 (7... cxd4 {Von Gleich} 8. Nxd4 Nxe5 (8... Ng6 9. Nxc6 bxc6
10. f4) 9. Bxf4 Nxc4 10. Ndb5 d6 11. b3 a6 12. bxc4 axb5 13. Nxb5) 8. Bg5 Qb6 (
8... Be7 $2 {Von Gleich} 9. Bxe7 Qxe7 10. Nb5 O-O 11. c3) 9. d5 Ncxe5 10. Nxe5
Nxe5 11. dxe6 fxe6 (11... Nxc4 12. Nd5 $1 Qc6 13. e7) (11... dxe6 {Von Gleich}
12. Bb5+ Bd7 13. Bxd7+ Nxd7 14. Re1 $44) 12. Be2 $44 Bd6 (12... Be7 13. Bh5+ g6
(13... Ng6 14. Qg4 $40) 14. Qe2 $1 d6 (14... gxh5 $6 15. Qxe5 {/\Bxe7,Nd5+-}) (
14... Qc7 15. Bxe7 Kxe7 16. f4 $1 $18) (14... Nf7 15. Bxe7 gxh5 $8 16. Bh4 {
/\Nd5;Qxh5+-}) 15. Bxe7 Kxe7 16. f4 $1 gxh5 17. fxe5 {/\Qxh5+-}) (12... d6 13.
Bh5+ g6 14. Bf6 Rg8 15. Bxe5 dxe5 16. Bf3 $16) 13. Ne4 Bc7 (13... Bb8 $5 {
Von Gleich}) 14. Bh5+ Ng6 (14... Nf7 {Von Gleich} 15. Qf3 O-O 16. Be7) (14...
g6 {Von Gleich} 15. Nf6+ Kf7 16. f4 Nc6 17. f5 $1) 15. Be3 d5 (15... d6 16. Qg4
(16. Ng5 {Von Gleich}) 16... Kf7 17. Ng5+ {/\Nxh7+-}) 16. Bxc5 (16. Nxc5 {
Von Gleich} Qd6 17. g3 O-O) 16... Qc6 17. Qg4 e5 (17... dxe4 $4 18. Bxg6+ Kd7 (
18... hxg6 19. Qxg6+ Kd7 20. Qf7+ Kd8 21. Qe7#) 19. Rad1+ $18) 18. Qg5 {/\Qe7#}
Qe6 (18... dxe4 {Von Gleich} 19. Qe7#) 19. Nc3 Bd8 20. Qd2 b6 21. Ba3 Bb7 22.
Rae1 (22. f4 $1 $18 {Von Gleich}) 22... Qf5 23. Rxe5+ Qxe5 24. Re1 Qxe1+ (24...
Kd7 25. Rxe5 Nxe5 26. Nxd5 $18) 25. Qxe1+ Kf7 26. Nb5 Bc6 27. Qe5 $6 {/\Nd6 ->#
} (27. Nd6+ $142 Kf6 (27... Kf8 28. Qe6 $18) 28. Bxg6 (28. b3 {Von Gleich})
28... Kxg6 (28... hxg6 29. Qc3+ $18) 29. Qe6+ Kh5 (29... Bf6 30. Qf5+ Kh6 31.
Nf7#) 30. Qh3+ Bh4 (30... Kg5 31. Qf5+) 31. g3 $18) 27... Re8 $1 (27... Bf6 28.
Qc7+ $18) (27... Bxb5 28. Qxd5+ Kf6 29. Qxa8 $18) 28. Nd6+ Kg8 29. Qc3 Bf6 (
29... d4 $2 {/\ב1} 30. Qc4+ Kh8 31. Nf7+ Kg8 32. Nh6+ Kh8 33. Qg8+ $1 Rxg8 34.
Nf7#) 30. Qd2 Re5 31. Bg4 Rd8 $6 (31... Bg5 $142 {+/-/+/=} 32. Qc3 $140 (32.
Qd1 {Von Gleich} d4 $13) 32... d4 $1 33. Qc4+ Bd5 34. Qf1 Nf4 $132) 32. f4 Re7
33. Bf3 $18 {_|_} h6 34. Bxd5+ Bxd5 35. Qxd5+ Kh7 36. g3 Red7 37. Qe6 Re7 38.
Qf5 Red7 39. Ne4 Rd1+ 40. Kg2 Bd4 41. h4 Bc5 42. h5 Bxa3 43. bxa3 R1d5 44.
hxg6+ Kh8 45. Qe6 1-0

[Event "Berlin Tageblatt+"]
[Site "Berlin (Cafe Koenig)"]
[Date "1928.10.13"]
[Round "3"]
[White "Tarrasch, Siegbert"]
[Black "Tartakower, Saviely"]
[Result "0-1"]
[ECO "B29"]
[Annotator "ChessBase"]
[PlyCount "96"]
[EventDate "1928.10.11"]
[EventType "tourn"]
[EventRounds "3"]
[EventCountry "GER"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 {Tarrasch musste nach der dritten Runde (0/3) wegen eines Gallenleidens
vom Turnier zurücktreten. Das doppelrundigeTurnier wurde mit sieben Spielern
fortgesetzt.} c5 2. Nf3 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. Ne5 Nxc3 6. bxc3 Qc7 7.
Bb5+ Nd7 8. Qe2 e6 9. O-O Bd6 10. Re1 O-O 11. d4 cxd4 12. cxd4 Nxe5 13. dxe5
Bb4 14. Bd2 Bxd2 15. Qxd2 Rd8 16. Bd3 b6 17. Qf4 Bb7 18. Qh4 g6 19. Re3 Qc6 20.
Be4 Qc4 21. f3 Rac8 22. Qf6 Qd4 23. Rae1 Bxe4 24. fxe4 Rxc2 25. h4 Rdc8 26. h5
Rc1 27. Kh2 R1c5 28. hxg6 hxg6 29. Ra3 a5 30. Rb3 b5 31. Kh1 Qxe5 32. Qf1 Qg5
33. Kh2 Qh6+ 34. Rh3 Rh5 35. e5 Rxh3+ 36. gxh3 Rc2+ 37. Re2 Rxe2+ 38. Qxe2 Qf4+
39. Kg2 Qc4 40. Qb2 b4 41. Kf2 a4 42. Ke3 Kg7 43. Qh2 Qc3+ 44. Ke4 b3 45. axb3
axb3 46. Qg1 b2 47. Qf1 Qc6+ 48. Kd4 Qb6+ 0-1

[Event "Keres Memorial-05"]
[Site "Tallinn"]
[Date "1985.02.28"]
[Round "6"]
[White "Dolmatov, Sergey"]
[Black "Pribyl, Josef"]
[Result "1-0"]
[ECO "B29"]
[WhiteElo "2540"]
[BlackElo "2405"]
[Annotator "Dolmatov,S"]
[PlyCount "103"]
[EventDate "1985.02.21"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "URS"]
[EventCategory "9"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 e6 5. Ne4 $6 (5. Nxd5 exd5 6. d4 Nc6 7.
dxc5 Bxc5 8. Be2 $14) 5... f5 6. exf6 Nxf6 7. Nxf6+ Qxf6 8. d4 cxd4 $10 9. Nxd4
Nc6 10. Be3 d5 (10... Bc5 $2 11. Qh5+ $18) 11. c3 a6 (11... Bd6 12. Nb5 Bb8 13.
Bc5 Qe5+ 14. Be2 a6 15. Nd4 $14) 12. Be2 Bd6 13. O-O O-O 14. Nb3 (14. f4 $6 e5
$1 15. Nb3 exf4 16. Qxd5+ Kh8 $132) 14... Ne7 (14... Bd7 15. Qd2 Be8 16. f4 Bg6
$14) 15. Qd2 Bd7 (15... e5 $5 16. Bg5 Qf7 17. Rad1 Be6 $132) 16. f4 Rae8 17.
Rae1 Kh8 18. g3 Nf5 19. Bc5 Bxc5+ 20. Nxc5 Bc6 $14 21. Bg4 $6 (21. Nd3 $5 d4
22. Ne5 Rd8 23. Bf3 $14) 21... d4 $1 22. cxd4 (22. Bxf5 $2 dxc3 23. Qxc3 Qxf5
$15) 22... Nxd4 23. Re5 Rd8 24. Qe3 Qg6 25. h3 Rfe8 (25... Qc2 26. Qf2 Qxf2+
27. Kxf2 $14) 26. Bh5 Qc2 27. Qf2 Qxf2+ 28. Kxf2 g6 29. Bg4 h5 30. Bd1 Bd5 31.
a3 b6 (31... Rc8 32. Nd7 Nc6 33. Rg5 $16) 32. Na4 (32. Nxa6 $2 Bc4 33. Nc7 Re7
$15) 32... b5 $2 (32... Rd6 33. Rfe1 Kg7 $14) 33. Nc5 a5 34. Rfe1 Kg7 (34...
Rc8 35. Nd7 Kg7 36. Nb6 $16) 35. Rg5 Rc8 $6 (35... Kf6 $14) 36. Nd3 (36. Nd7 $5
) 36... Kf6 37. Ne5 Rg8 38. g4 hxg4 $2 39. Nxg4+ Kf7 $2 (39... Kg7 40. Ne3 Be4
$10) 40. Nh6+ Kf6 41. Nxg8+ Rxg8 42. h4 Rh8 $16 43. h5 gxh5 44. Rxh5 Rxh5 $6 (
44... Rc8) 45. Bxh5 $18 Kf5 46. Kg3 Kf6 47. Bg4 b4 48. axb4 axb4 49. Kf2 b3 50.
Ra1 (50. Rd1 $6 e5 $16) 50... Ke7 51. Rd1 Nb5 52. Bf3 1-0

[Event "Tata Steel-A 80th"]
[Site "Wijk aan Zee"]
[Date "2018.01.13"]
[Round "1"]
[White "So, Wesley"]
[Black "Mamedyarov, Shakhriyar"]
[Result "1/2-1/2"]
[ECO "B29"]
[WhiteElo "2792"]
[BlackElo "2804"]
[Annotator "Fernandez,D"]
[PlyCount "57"]
[EventDate "2018.01.13"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "NED"]
[EventCategory "20"]
[SourceTitle "CBM 183"]
[Source "ChessBase"]
[SourceDate "2018.03.14"]
[SourceVersion "1"]
[SourceVersionDate "2018.03.14"]
[SourceQuality "1"]

1. e4 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} Nf6 $5 {
[%emt 0:00:00] This is another exceedingly rare guest in elite practice.} 3. e5
{[%emt 0:00:00]} Nd5 {[%emt 0:00:00]} 4. Nc3 {[%emt 0:00:00]} e6 {[%emt 0:00:
00]} 5. Nxd5 {[%emt 0:00:00]} exd5 {[%emt 0:00:00]} 6. d4 {[%emt 0:00:00]} Nc6
{[%emt 0:00:00]} 7. dxc5 {[%emt 0:06:35]} Bxc5 {[%emt 0:00:00]} 8. Bd3 {
[%emt 0:03:01] I'm not surprised Wesley So decided to avoid the absolutely
most critical continuation and try for a positional edge, but I'm not sure
what Black's prep could have been.} (8. Qxd5 $1 {is critical, and I was once
privileged to watch a sharp line being played at a neighbouring board.} d6 (
8... Qb6 $6 9. Bc4 Bxf2+ 10. Ke2 O-O 11. Rf1 Bc5 12. Ng5 Nxe5 13. Nxf7 Nxf7 14.
Rxf7 Qe6+ 15. Qxe6 dxe6 16. Rxf8+ Kxf8 17. Bf4 $14 {Tan,J-Bach,M Helsingor
2015, among others.}) 9. exd6 Qb6 10. Be3 $5 (10. Qe4+ Be6 11. Qh4 Bxd6 12. Bd3
$14 {is safer}) 10... Qxb2 11. Bb5 $1 $14 {White retains an extra pawn against
best play.}) 8... d6 {[%emt 0:00:00]} 9. exd6 {[%emt 0:00:06]} Qxd6 {[%emt 0:
00:00]} 10. O-O {[%emt 0:00:23]} O-O {[%emt 0:00:00]} 11. Re1 {[%emt 0:04:45]}
h6 {[%emt 0:00:00]} 12. h3 {[%emt 0:09:25]} Bd7 {[%emt 0:04:58]} 13. Be3 {
[%emt 0:02:15] Presumably, Wesley So had in mind some idea of occupying the
d4-square when he made his 8th move, but it is not possible to execute unless
Black helpfully trades the bishops. With a move such as the one played Black
keeps equality.} d4 {[%emt 0:03:53]} (13... b6 $6 14. c3 Rfe8 15. Qd2 $14) 14.
Bd2 {[%emt 0:00:39]} Rfe8 {[%emt 0:01:56]} 15. a3 {[%emt 0:04:45]} Qd5 {
[%emt 0:06:46][%cal Gd7f5] Thematically playing for ...Bf5.} 16. b4 {[%emt 0:
02:04]} Bd6 {[%emt 0:07:35]} 17. c4 {[%emt 0:18:57]} dxc3 {[%emt 0:00:36]} 18.
Rxe8+ {[%emt 0:00:43]} Rxe8 {[%emt 0:09:54]} 19. Bxc3 {[%emt 0:00:17]} Be6 {
[%emt 0:00:17]} 20. Be4 {[%emt 0:11:07]} Qxe4 {[%emt 0:03:09]} 21. Qxd6 {
[%emt 0:00:21]} Qc2 {[%emt 0:00:22]} 22. Qd2 {[%emt 0:03:26] Instead of
playing this move it is also possible to offer a draw immediately.} Qxd2 {
[%emt 0:00:19]} 23. Nxd2 {[%emt 0:00:18]} Rd8 {[%emt 0:00:06]} 24. Re1 {
[%emt 0:05:57]} Nd4 {[%emt 0:02:25]} 25. a4 {[%emt 0:00:42]} Nc2 {[%emt 0:02:
59]} 26. Rc1 {[%emt 0:00:33]} Nd4 {[%emt 0:08:26]} 27. Re1 {[%emt 0:00:16]} Nc2
{[%emt 0:00:15]} 28. Rc1 {[%emt 0:00:04]} Nd4 {[%emt 0:00:10]} 29. Re1 1/2-1/2

[Event "World Cup"]
[Site "Khanty-Mansiysk"]
[Date "2009.11.22"]
[Round "1.2"]
[White "Fedorchuk, Sergey A"]
[Black "Sokolov, Ivan"]
[Result "1-0"]
[ECO "B29"]
[WhiteElo "2619"]
[BlackElo "2652"]
[Annotator "Ftacnik,L"]
[PlyCount "63"]
[EventDate "2009.11.21"]
[EventType "k.o."]
[EventRounds "7"]
[EventCountry "RUS"]
[SourceTitle "CBM 134"]
[Source "ChessBase"]
[SourceDate "2010.01.18"]
[SourceVersion "1"]
[SourceVersionDate "2010.01.18"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. Bb5+ Bd7 6. Qe2 Nb4 {Black is
trying to gain time with the help of an attack against the c2-square.} 7. Bxd7+
Qxd7 8. d3 f6 {Despite the presence of dark-squared bishops on the board the
defender believes in the potential of the pawn structure e5-f6-g7.} (8... N4c6
9. O-O Nd4 10. Nxd4 cxd4 11. Ne4 e6 12. Bg5 Nc6 13. c4 dxc3 14. bxc3 Be7 15.
Bxe7 Qxe7 16. d4 O-O 17. Rfd1 Rfd8 18. Rd3 Rd5 19. Nd2 Rad8 $11 {1/2-1/2
Khamatgaleev,A (2412)-Belozerov,A (2507)/Togliatti 2001 (66)}) (8... N8c6 9. a3
Nd5 10. Bd2 (10. Nxd5 Qxd5 11. Qe4 e6 12. Bf4 Be7 13. Qxd5 exd5 14. Kd2 O-O 15.
Rae1 Rfd8 16. g4 Rac8 17. c3 b5 18. h4 Kf8 $11 {1/2-1/2 Ringoir,T (2208)
-Souleidis,G (2421)/Netherlands 2007 (40)}) 10... e6 11. O-O Be7 12. Ne4 Rd8
13. Rfd1 Nd4 14. Nxd4 cxd4 15. Qg4 g6 16. Ng5 e5 17. Qxd7+ Rxd7 18. Nf3 f6 $17
{0-1 Fernandez Barrera,V (2319)-Magem Badals,J (2500)/La Massana 2008 (39)}) 9.
a3 N4c6 (9... Nd5 10. Ne4 e5 11. c4 Nc7 12. b4 cxb4 13. d4 $14) 10. Ne4 e5 11.
c3 Na6 (11... f5 12. Ng3 Bd6 13. O-O O-O 14. b4 $16) 12. b4 Nc7 13. d4 $5 {
Fedorchuk is demonstrating his courage with this daring opening of the centre.
Time has become a key factor, since the opponent was threatening long castling.
} (13. O-O O-O-O 14. Rd1 c4 15. d4 Qd5 16. Rd2 f5 17. Ng3 $14) (13. Nxc5 $2
Bxc5 14. bxc5 O-O-O $15) 13... cxd4 14. cxd4 f5 {The plain accepting of the
pawn sacrifice would have forced Sokolov into a role of the defender in an
unpleasant position.} (14... Nxd4 15. Nxd4 Qxd4 16. Bb2 Qb6 17. O-O (17. Qh5+
g6 18. Nxf6+ Kf7 19. Qxe5 Bg7 20. O-O-O Rhd8 21. Qf4 Bxf6 22. Bxf6 Qxf6 23.
Qxc7+ Kg8 24. Kb1 Rdc8 25. Qa5 Rc3 26. Qd5+ Kg7 $11) 17... Be7 18. Rfd1 Rc8 19.
Rac1 Qe6 20. Ng3 O-O 21. Qf3 $14) 15. Nxe5 Nxe5 (15... Nxd4 $2 16. Nf6+ Ke7 17.
Nfxd7 Nxe2 18. Kxe2 $18) (15... Qxd4 $1 16. Nxc6 Qxe4 (16... Qxa1 17. O-O bxc6
18. Nc3+ Kd7 19. Bb2 $16) 17. Ne5 Be7 $11) 16. Ng3 Qxd4 17. O-O Qxa1 $2 {
Black willingly accepts this dubious gift; the move seems to be an
exceptionally daring one. The defender has probably misjudged the level of
risk in the given situation.} (17... O-O-O 18. Bb2 Qd2 (18... Qg4 19. Qxe5 Rd5
20. Qc3) 19. Qxe5 Rd5 20. Rfd1 Qxd1+ (20... Rxe5 21. Rxd2 Rb5 22. Rc1 $16) 21.
Rxd1 Rxd1+ 22. Nf1 Rd5 23. Qe2 $16) 18. Bf4 $1 (18. Bb2 $2 Qa2 19. Qxe5+ Ne6
$17) 18... Qxa3 (18... Qc3 19. Bxe5 Qc6 20. Bxg7+ Qe6 21. Bxh8 Qxe2 22. Nxe2
$16) 19. Qxe5+ Be7 (19... Kf7 20. Qxc7+ Be7 21. Nxf5 Qxb4 (21... Rae8 22. Qe5
Qd3 23. Qxg7+ Ke6 24. Nd4+ $18) (21... Rhe8 22. Qc4+ Kf6 23. Qd4+ Kxf5 24. Qd5+
Kf6 25. g4 g6 26. Be5+ Kg5 27. Bb2+ $18) 22. Bd6 Qe4 23. Nxe7 $18) 20. Nxf5
Qxb4 21. Re1 $1 {[%mdl 128] A quiet move of enormous power. The attacker is
following the golden rule about mobilising all his pieces for the purpose of
the conflict raging on the board.} (21. Qxc7 $6 Qe4 22. Bg5 O-O 23. Nxe7+ Kh8
24. Qd7 $16) 21... Nd5 22. Nxg7+ Kf7 (22... Kd7 23. Qe6+ Kd8 24. Qxd5+ Bd6 25.
Bd2 Qa3 26. Qxb7 $18) (22... Kf8 23. Ne6+ Kf7 24. Qg7+ Ke8 25. Qxh8+ Kd7 26.
Qe5 Nxf4 27. Nxf4 Qd6 28. Qf5+ Kd8 29. Qg4 $18) 23. Qxd5+ Kxg7 (23... Kf8 24.
Ne6+ Kf7 25. Nc5+ Kf8 26. Bh6+ Ke8 27. Rxe7+ Kxe7 28. Qd7+ Kf6 29. Qe6#) 24.
Bd2 Qc5 (24... Qd6 25. Bc3+ Kf8 26. Qf3+ Kg8 27. Qxb7 Rb8 28. Qxa7 Rb3 29. Rxe7
Rb1+ 30. Be1 Kf8 31. Re3 $18) 25. Bc3+ $1 {The black king is becoming the
tragic hero of the adventure taking place in the middle of the board.} Kf8 (
25... Qxc3 26. Rxe7+ Kh6 27. Qe6+ Kh5 28. Qf7+ Kg5 29. h4+ Kxh4 30. Qf5 $18)
26. Qf3+ Kg8 (26... Ke8 27. Qxb7 Rd8 28. Bb4 Rd1 29. Rxd1 Qxb4 30. Qa8+ Kf7 31.
Qxh8 $18) 27. Qg4+ Qg5 (27... Kf7 28. Qg7+ Ke8 29. Bf6 $18) 28. Qe6+ Kf8 29. h4
$1 {This small sacrifice of the pawn solves the problem of the weak back rank
and enables an easier mobilisation of the white rook.} Qxh4 (29... Qc5 30. Qh6+
Ke8 31. Bxh8 $18) 30. Qf5+ Ke8 (30... Kg8 31. Re4 Qg5 32. Rg4 $18) 31. Bxh8 Qb4
32. Re4 {The significant factor is the passive role of the rook on a8, a piece
that never made an impact on the game.} (32. Re4 Qa3 33. Qb5+ Kf7 34. Bb2 Qd6
35. Qb3+ Kf8 36. Qf3+ Kg8 37. Rg4+ $18) 1-0

[Event "Venice"]
[Site "Venice"]
[Date "1949.??.??"]
[Round "2"]
[White "Rossolimo, Nicolas"]
[Black "Tartakower, Saviely"]
[Result "1-0"]
[ECO "B29"]
[Annotator "Ftacnik,L"]
[PlyCount "137"]
[EventDate "1949.??.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "ITA"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 d5 4. Bb5+ Bd7 5. Bxd7+ (5. e5 d4 6. exf6 dxc3 7.
fxg7 cxd2+ 8. Qxd2 Bxg7 9. Bd3 Qc7 (9... Qb6 10. O-O Nc6 11. Qg5 Bf6 12. Qh5
Rg8 13. Qxh7 O-O-O 14. Bf5 e6 15. Bh3 Rh8 16. Qe4 Rxh3 17. gxh3 Rg8+ 18. Kh1
Nd4 19. Nxd4 Bxd4 20. f3 Bc6 21. Qe2 Qb5 {0-1 Zuckerman,B-Pomar Salamanca,A/
Malaga 1968}) 10. O-O c4 11. Be4 Nc6 12. Qe2 c3 13. bxc3 Bxc3 14. Rb1 O-O-O 15.
Qc4 $16 {Fischer-Sherwin/USA-ch/1962}) 5... Qxd7 6. exd5 Nxd5 7. Nxd5 Qxd5 8.
d4 cxd4 (8... e6 $142 9. Be3 cxd4 10. Qxd4 Qxd4 11. Nxd4 a6) 9. Qxd4 Qxd4 10.
Nxd4 a6 11. Bg5 $1 f6 (11... e6 $142 12. Rd1 Be7 13. Bxe7 Kxe7 14. O-O Rd8 15.
Rfe1 {/\Sf5} g6) 12. Be3 e5 13. Ne6 Kd7 14. Nxf8+ Rxf8 15. O-O-O+ Kc7 (15...
Kc6 16. Rd3 {/\17.Thd1, 18.Tc3}) 16. Bc5 Rf7 (16... Rd8 $4 17. Bb6+ $18) 17.
Bd6+ Kc8 (17... Kc6 18. Rd3 $40) 18. f4 $1 Nc6 19. Rhe1 b5 $1 20. fxe5 fxe5 21.
Bxe5 Kb7 22. Bg3 Rd8 23. Rxd8 Nxd8 24. c3 Nc6 25. Kc2 b4 26. Re2 bxc3 27. Kxc3
Ne7 28. b3 Nf5 29. Bf2 Nd6 30. Kb2 Kc6 31. Bg3 Nf5 32. Bf2 Nd6 33. Rc2+ Kd5 (
33... Kb7 $14) 34. a4 (34. Ka3 $142) 34... Ne4 35. Bb6 Rf6 36. Be3 g5 37. b4 g4
38. Kb3 g3 39. hxg3 (39. h3 $142 Rf2 40. b5 $1) 39... Rg6 40. Bf4 Nxg3 41. Rc5+
Ke4 42. Bxg3 Rxg3+ 43. Kc4 Rxg2 44. Rh5 Rc2+ 45. Kb3 Rc7 46. Rh6 Ra7 47. Kc4
Rc7+ 48. Kb3 Ra7 49. a5 {/\Ta6} Kf5 50. Ka4 Kg5 $2 $18 (50... Ke5 $1 51. Rxa6 (
51. b5 axb5+ 52. Kxb5 Kf5 53. Kb6 Re7 54. a6 Kg5 55. Rh1 h5 56. a7 Re8 57. Ra1
h4 58. a8=Q Rxa8 59. Rxa8 Kf4 60. Kc5 h3 61. Kd4 h2 62. Rh8 Kg3 63. Ke3 Kg2 $10
) 51... Rxa6 52. b5 (52. Kb5 Ra8 $1) 52... Rg6 53. a6 Kd6 54. a7 Rg8 $19) 51.
Rxa6 Rxa6 52. b5 Re6 53. a6 Re1 54. b6 Rb1 55. b7 Kh6 $2 (55... h6 $1) 56. a7
Rxb7 57. a8=Q Rf7 58. Kb4 Rf6 59. Kc4 Rg6 60. Qf8+ Kh5 61. Kd4 Kg5 (61... h6)
62. Ke5 Kh5 63. Qe7 Kh6 64. Kf5 Rg2 65. Qe3+ Kg7 66. Qc3+ Kf8 67. Qc8+ Kg7 68.
Qb7+ Kh8 69. Qxg2 1-0

[Event "EU-chT (Men) 20th"]
[Site "Reykjavik"]
[Date "2015.11.19"]
[Round "6.1"]
[White "Adams, Michael"]
[Black "Grandelius, Nils"]
[Result "1/2-1/2"]
[ECO "B29"]
[WhiteElo "2744"]
[BlackElo "2644"]
[Annotator "Ftacnik,L"]
[PlyCount "83"]
[EventDate "2015.11.13"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "ISL"]
[SourceTitle "CBM 170"]
[Source "ChessBase"]
[SourceDate "2016.01.15"]
[SourceVersion "1"]
[SourceVersionDate "2016.01.15"]
[SourceQuality "1"]
[WhiteTeam "England"]
[BlackTeam "Sweden"]
[WhiteTeamCountry "ENG"]
[BlackTeamCountry "SWE"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 d5 4. Bb5+ {Adams chooses a logical move in an
attempt to get some advantage out of the opening. The other major option is a
pawn exchange on the square d5 followed by check on b5.} (4. exd5 Nxd5 5. Bc4 (
5. Bb5+ Bd7 (5... Nc6 6. Ne5 Nxc3 (6... Qd6 7. d4 cxd4 8. Qxd4 Ndb4 9. Qxd6
exd6 10. Nxc6 bxc6 11. Ba4 Bd7 (11... Bb7 12. Be3 Be7 13. a3 Na6 14. Nd5 Bd8
15. Nb4 Nxb4 16. axb4 Bb6 17. Ra3 O-O 18. Kd2 Bxe3+ 19. Rxe3 a5 $11 {1/2 (52)
Luther,T (2525)-Gisbrecht,E (2400) Gladenbach 1997}) 12. Bf4 d5 13. O-O-O O-O-O
14. Rhe1 Na6 15. Bb3 Bb4 16. a3 Bc5 17. Bg3 Rhe8 18. Na4 Bf8 19. Rxe8 Bxe8 $11
{1-0 (38) Fernandez Garcia,J (2490)-Leon Varela,L Las Palmas 1996}) 7. dxc3 (7.
Bxc6+ bxc6 8. dxc3 Qxd1+ 9. Kxd1 f6 10. Nc4 e5 11. b3 Be6 12. Ke2 Bxc4+ 13.
bxc4 Rb8 14. Rd1 Ke7 15. f4 Ke6 16. g4 g6 17. Be3 h5 18. f5+ gxf5 19. gxf5+
Kxf5 $17 {1-0 (48) Kotronias,V (2550)-Welin,T (2390) Stockholm 1988}) 7...
Qxd1+ 8. Kxd1 a6 9. Bxc6+ bxc6 10. c4 Bf5 11. Be3 g5 12. Bxc5 Rd8+ 13. Kc1 f6
14. Nd3 Be4 15. f3 Bxd3 16. cxd3 Rxd3 17. Kc2 Rd7 18. Rad1 e5 19. Bb6 $11 {
1/2 (37) Guseinov,G (2610)-Rasulov,V (2491) Baku 2015}) 6. Ne5 e6 (6... Bxb5 7.
Qf3 f6 8. Nxb5 Na6 9. Qh5+ g6 10. Nxg6 hxg6 11. Qxh8 Qd7 12. Nc3 Qe6+ 13. Kf1
Nab4 14. Qh4 Qa6+ 15. Kg1 O-O-O 16. Qg4+ f5 17. Qd1 Bg7 18. d3 $2 (18. Nxd5 $1
Rxd5 19. d3 $16) 18... Nxc3 19. bxc3 Bxc3 20. Rb1 Qxa2 $15 {1-0 (41) Parligras,
M (2587)-Westerberg,J (2496) Reykjavik 2015}) 7. Qh5 (7. Nxd7 Nxd7 8. Nxd5 exd5
9. O-O a6 10. Be2 Be7 11. d4 O-O 12. Bf3 Nb6 13. dxc5 Bxc5 14. c3 Qf6 15. Qd2
Rad8 16. Qg5 Qc6 17. Bf4 h6 18. Qf5 Bd6 19. Rad1 Bxf4 20. Qxf4 $14 {1/2 (39)
Kovchan,A (2583)-Rakhmanov,A (2640) Al Ain 2015}) 7... g6 8. Qf3 Qf6 9. Nxd7
Nxd7 10. Qe4 Qf4 11. Qxf4 Nxf4 12. O-O a6 13. Bxd7+ Kxd7 14. d4 Nd5 15. Nxd5
exd5 16. dxc5 Bxc5 $11 {1/2 (28) Ponkratov,P (2604)-Rakhmanov,A (2640) Minsk
2015}) (5. g3 Nxc3 6. bxc3 g6 7. Bg2 Bg7 8. O-O O-O 9. Rb1 Qa5 10. a3 Nc6 11.
c4 Rd8 12. d3 Qc7 13. Bf4 e5 14. Bg5 Re8 15. Re1 h6 16. Be3 b6 17. Nd2 Bb7 18.
Ne4 Rab8 19. Nc3 Ne7 20. Bd2 Bxg2 21. Kxg2 $11 {1-0 (52) Grigoriants,S (2603)
-Rakhmanov,A (2637) Berlin 2015}) (5. Nxd5 Qxd5 6. b3 Nc6 7. Bb2 Nd4 8. Bxd4
cxd4 9. Bc4 Qe4+ 10. Kf1 e6 11. Bd3 Qd5 12. Qe2 Bc5 13. h4 O-O 14. Re1 h6 15.
h5 Rd8 16. Bc4 Qf5 17. Bd3 Qd5 18. Be4 Qd6 19. Rh4 Bd7 20. Ne5 $11 {1-0 (46)
Caruana,F (2796)-Inants,A (2332) Las Vegas 2015}) 5... Nb6 6. Bb5+ Bd7 7. Qe2
Nc6 8. O-O Nd4 9. Nxd4 cxd4 10. Ne4 Bxb5 11. Qxb5+ Qd7 12. Qe5 Qd5 13. Qxd5
Nxd5 14. Re1 Nb4 15. Nd6+ Kd7 16. Nxf7 Nxc2 17. Nxh8 Nxe1 18. Kf1 Nd3 19. Ke2
Nxc1+ 20. Rxc1 Ke8 $17 {0-1 (45) Babanin,A-Rakhmanov,A (2640) Minsk 2015}) 4...
Bd7 5. e5 Bxb5 $1 {Grandelius has certainly prepared well for the opening
battle in the less usual variation. Black must be very careful in order to
avoid falling into difficulties after alternative moves.} (5... Ne4 6. e6 fxe6
(6... Bxb5 7. exf7+ Kxf7 8. Nxb5 Nc6 9. O-O h6 10. d3 Nf6 11. Bf4 a6 12. Nc3 e6
13. Ne5+ Nxe5 14. Bxe5 Bd6 15. f4 Rf8 16. Qf3 Kg8 17. Rae1 Bxe5 18. Rxe5 Qb6
19. Nd1 Nd7 20. Re2 $11 {1-0 (56) Berelowitsch,A (2587)-Afek,Y (2350) Haarlem
2007}) 7. Bxd7+ Nxd7 8. Nxe4 (8. O-O $5 $14) 8... dxe4 9. Ng5 Nf6 10. c3 Qd7
11. Qb3 Rc8 12. Qxe6 Qxe6 13. Nxe6 Kf7 14. Nf4 e6 15. O-O Bd6 16. Ne2 Rhf8 17.
b3 Be5 18. f4 exf3 19. Rxf3 Ke7 20. Ba3 Ng4 21. Rxf8 Kxf8 22. h3 Nf6 23. d4 Bd6
$11 {1/2 (61) Amonatov,F (2483)-Arbakov,V (2445) Tula 2002}) (5... d4 6. exf6
dxc3 7. Qe2 (7. fxg7 cxd2+ 8. Qxd2 Bxg7 9. Bd3 (9. Qg5 Bf6 10. Bxd7+ Nxd7 11.
Qh5 Qa5+ 12. Nd2 Qa6 13. Ne4 O-O-O 14. Qe2 Qe6 15. Nxf6 Qxe2+ 16. Kxe2 Nxf6 17.
Be3 b6 18. Rad1 Rxd1 19. Rxd1 Rd8 20. Rxd8+ Kxd8 $11 {1/2 (77) Fischer,R-Pomar
Salamanca,A Stockholm 1962}) 9... Bc6 (9... Qc7 10. O-O c4 11. Be4 Nc6 12. Qe2
c3 13. bxc3 Bxc3 14. Rb1 O-O-O 15. Qc4 f5 16. Qxc3 fxe4 17. Ng5 Rhg8 18. Nxe4
Nd4 19. Qxc7+ Kxc7 20. Ng3 Bc6 21. Re1 Nxc2 22. Rxe7+ Rd7 23. Bf4+ $16 {
1-0 (29) Fischer,R-Sherwin,J New York 1962}) 10. c3 Nd7 11. Qe2 Qc7 12. Be4
O-O-O 13. Bg5 Bf6 14. Bxc6 Qxc6 15. O-O-O Bxg5+ 16. Nxg5 Qf6 17. Qe3 Rhg8 18.
Rd5 Nb6 19. Rxd8+ Rxd8 20. Ne4 Qe6 21. Qxc5+ Kb8 22. Nd2 $11 {1-0 (39) Landa,K
(2641)-Kunin,V (2516) Bad Wiessee 2012}) 7... cxd2+ 8. Bxd2 gxf6 9. O-O-O Qb6
10. Bc4 Nc6 11. Rhe1 (11. Bc3 O-O-O 12. Bxf7 e5 13. Qc4 Kb8 14. Be6 Nd4 15.
Bxd7 Rxd7 16. Bd2 Qc6 17. Nxd4 cxd4 18. Qxc6 bxc6 19. Rhe1 Bd6 {1/2 (19) Brkic,
A (2573)-Stevic,H (2599) Bihac 2010}) 11... O-O-O 12. Bxf7 e5 13. c3 Kb8 14.
Nh4 Bc8 15. Qh5 c4 16. Be3 Bc5 17. Rxd8 Rxd8 18. Qxh7 Bxe3+ 19. fxe3 Qc7 20.
Bg6 Qxh7 {0-1 (20) Motylev,A (2645)-Nisipeanu,L (2668) Predeal 2007}) 6. Nxb5
Nfd7 {Historic games warn against the untimely ambition to push the knight on
b5 away from the active square.} (6... a6 7. Nc3 d4 8. Na4 Nfd7 9. e6 fxe6 10.
Ng5 Qc7 (10... b5 $2 11. Qf3 $18) 11. O-O (11. Qe2 Qc6 12. Qxe6 Qxe6+ 13. Nxe6
Kf7 14. Naxc5 Nxc5 15. Nxc5 Nc6 16. Ne4 Nb4 17. Kd1 h6 18. a3 Nd5 19. d3 g6 20.
Bd2 Bg7 21. Ke2 Rac8 22. Rac1 $16 {1-0 (54) Bogoljubow,E-Mikenas,V Prague 1931}
) 11... Qc6 12. b3 e5 13. d3 Nf6 14. f4 h6 15. Nf3 e4 16. Ne5 Qc7 17. dxe4 Nbd7
18. Ng6 Rg8 19. e5 Nd5 20. c4 Nb4 21. e6 $18 {1-0 (26) Bronstein,D-Saadi,J Mar
del Plata 1960}) 7. e6 $5 {For better or worse White is obliged to play this
move disturbing Black's development. Without the light-squared bishop
Grandelius would otherwise be enjoying pleasant prospects.} fxe6 8. O-O (8. Ng5
Qb6 9. Qe2 e5 10. c4 d4 11. Qf3 Nf6 12. Qf5 Nbd7 13. Qe6 Qxe6 14. Nc7+ Kd8 15.
Ngxe6+ Kc8 16. Nxa8 Ne8 17. d3 Kb8 18. O-O Kxa8 19. Bg5 h6 20. Bh4 g5 21. Bg3
$16 {1-0 (67) Aagaard,J (2531)-Landa,K (2615) Helsingor 2008}) (8. Qe2 a6 9.
Nc3 Nc6 10. Qxe6 Nf6 11. Ng5 Qd6 12. Qxd6 exd6 13. Ne2 h6 14. Nf3 O-O-O 15. O-O
Nb4 16. c3 Nd3 17. Ne1 Nxe1 18. Rxe1 Re8 19. d4 $11 {1/2 (43) Bellon Lopez,
J-Cordovil,J Malaga 1970}) 8... Qb6 {[%mdl 4] The Swedish player gives the
vote to the queen move, since the alternative expansion with the central pawn
seem to be more risky.} (8... e5 9. Ng5 Qb6 10. c4 Na6 $2 (10... dxc4 $1 11.
Qa4 (11. Qf3 Nf6 12. Na3 Nc6 13. Nxc4 Nd4 $11) 11... Nc6 12. Qxc4 Nd8 $11) 11.
d3 g6 12. Nc3 d4 13. Nd5 Qc6 14. Qf3 Nf6 15. Re1 O-O-O 16. Nf7 {1-0 (16)
Jakovenko,D (2667)-Llobel Cortell,E (2390) San Sebastian 2006}) 9. c4 Nc6 (9...
a6 10. Nc3 d4 11. Ne4 g6 12. d3 $14) 10. d3 {The British player is one of the
best positional experts in the world so it is a bit difficult to question his
opening choice. Many players would be attracted to the much more active move
10.Re1, which should pose more complicated problems for Black.} (10. Re1 $5
dxc4 11. Na3 Qa6 12. b3 g6 13. Bb2 e5 $11) 10... d4 11. Ng5 (11. Re1 e5 12. Ng5
a6 13. Qf3 Nd8 14. Na3 g6 $11) 11... a6 12. Na3 (12. Qa4 e5 13. f4 g6 $17)
12... e5 13. Nb1 {The knight is making its way towards the best square, e4,
but the trip is proving to be way too slow. Black will not find it too
difficult to develop his bishop and put the opening problems behind him.} (13.
Qf3 Nd8 14. Nc2 g6 15. Rb1 Bg7 16. b4 Qc6 $11) 13... g6 14. Nd2 Bh6 15. Nde4
Nf6 16. Qf3 Bxg5 $1 {In some positions knights are more dangerous than bishops
and Grandelius is executing the right exchange of minor pieces.} (16... Nxe4 $6
17. Qf7+ Kd7 18. Nxe4 Bxc1 19. Qd5+ Kc7 20. Raxc1 $14) 17. Bxg5 (17. Nxg5 h6
18. Ne4 Nxe4 19. Qxe4 g5 20. Bd2 $11) 17... Nxe4 18. Qxe4 Qc7 19. f4 Rf8 {
Black is understandably careful about treating this position in a way which
does not open too many files and diagonals for enemy pieces.} (19... O-O 20.
Rae1 Kg7 21. fxe5 Rxf1+ 22. Rxf1 Qxe5 23. Qh4 Kg8 24. Bh6 Qe2 25. Qg3 Rc8 $11)
20. fxe5 (20. Rae1 O-O-O 21. fxe5 Rxf1+ 22. Rxf1 Re8 (22... Qxe5 23. Qxe5 Nxe5
24. Bxe7 Re8 25. Bxc5 Nxd3 26. Bxd4 Re2 27. b3 $14) 23. Bf4 e6 $11) 20... Rxf1+
21. Rxf1 Qxe5 22. Qh4 h5 23. Re1 Qd6 24. Qe4 Kd7 $1 (24... O-O-O 25. Bxe7 Nxe7
26. Qxe7 Qxe7 27. Rxe7 Rd6 $11) 25. Bf4 {The transition to an equal rook
endgame is hard to criticise as Adams has no interest in looking for
compensation without the pawn.} e5 26. Bxe5 Qxe5 27. Qxc6+ Kxc6 28. Rxe5 Kd6
29. Rd5+ Kc6 30. Rg5 Rg8 31. h4 b6 {The defender is a bit passive, but White
will struggle to get anywhere against the plan of transfering the king to f6.}
32. Kh2 (32. g4 hxg4 33. h5 Kd7 34. Kg2 Ke6 $11) (32. a3 a5 33. Kh2 Kd6 34. b4
axb4 35. axb4 cxb4 36. Rb5 Kc7 37. Rxb4 Re8 $11) 32... Kd6 33. g4 (33. Rd5+ Ke6
$11) 33... hxg4 34. Kg3 (34. h5 Ke6 35. Kg3 Kf7 36. hxg6+ Rxg6 37. Rxg6 Kxg6
38. Kxg4 a5 39. a4 Kf6 40. Kf4 Ke6 41. Ke4 Kd6 42. Kf5 Kd7 $11) 34... Ke6 35.
a4 a5 36. Kxg4 Kf6 {The chances are shared now and White will have to admit
equality very soon.} 37. Rd5 Re8 38. Kf4 Re3 39. Rd6+ Re6 (39... Ke7 40. Rxb6
Rxd3 41. Rc6 Rh3 42. Kg4 Rb3 43. Rxc5 Rxb2 $11) 40. Rd7 Re2 41. Rd6+ Re6 42.
Rxe6+ (42. Rxe6+ Kxe6 43. Kg5 Kf7 44. h5 gxh5 45. Kxh5 Kf6 46. Kg4 Ke5 $11)
1/2-1/2

[Event "Mitropa Cup 21st"]
[Site "Leipzig"]
[Date "2002.05.10"]
[Round "8.1"]
[White "Lutz, Christopher"]
[Black "Markos, Jan"]
[Result "1-0"]
[ECO "B29"]
[WhiteElo "2644"]
[BlackElo "2467"]
[Annotator "Hecht,H"]
[PlyCount "120"]
[EventDate "2002.05.03"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "CBM 089"]
[Source "ChessBase"]
[SourceDate "2002.08.12"]
[SourceVersion "1"]
[SourceVersionDate "2002.08.12"]
[SourceQuality "1"]
[WhiteTeam "Germany"]
[BlackTeam "Slovakia"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "SVK"]

1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 e6 5. Nxd5 exd5 6. d4 d6 7. Bb5+ Nc6 8.
O-O Be7 9. c4 a6 10. exd6 axb5 11. dxe7 Nxe7 12. cxb5 c4 13. a4 Bf5 14. Re1 O-O
15. Bd2 Ng6 16. Ra3 Re8 17. Rxe8+ Qxe8 18. Re3 Qd7 19. Ne5 Nxe5 20. Rxe5 f6 21.
Re3 Re8 22. h3 Re4 23. Rxe4 dxe4 24. Bf4 Be6 25. Qd2 g5 26. Bg3 Bd5 27. h4 h6
28. hxg5 hxg5 29. Qa5 Kg7 30. Qc7 Qxc7 31. Bxc7 {[#] Die späteren weißen
Freibauern sind nur um eine Linie voneinander getrennt, doch spielen die
Verteidiger nicht zusammen. Man beachte: der weiße Läufer deckt den letzten
Gewinnbauern und blockt gleichzeitig den gegnerischen!} f5 32. a5 Kg6 33. a6
bxa6 34. bxa6 Kh5 35. a7 Kg4 36. Kf1 f4 37. Bd6 Ba8 38. Bc7 Bd5 39. Be5 Ba8 40.
Bd6 Bd5 41. Ke2 e3 42. fxe3 Bxg2 43. exf4 gxf4 44. Bb4 Bf3+ 45. Kd2 Bd5 46. Kc2
{[#]} Kf3 {Mein Verteidigungsvorschlag lautet: Rückmarsch des Königs nach d7
und Aufgabe aller Bauern, um so eine Festung gegen drei weiße Freibauern zu
bilden.} (46... Kf5 47. Be1 Ke6 48. Kc3 Kd6 49. Kb4 f3 50. Kb5 Kd7 51. Bg3 Ke7
52. Kc5 Ke6 53. Bh4 Be4 54. Kxc4 Ba8 55. Bf2 Bb7 56. b4 Kd7 57. d5 Kd6 58. Bg3+
Kd7 59. Kc5 f2 60. Bxf2 {[#]} Ba8 61. b5 Bb7 62. Be1 Ba8 63. Bb4 Bb7 64. d6 Ba8
65. Kb6 Kc8 66. Ka6 Bb7+ 67. Ka5 Kd7 68. b6 Kc8 69. a8=Q+ Bxa8 70. Ka6 Bc6 71.
Ka7 Bd5 $11 {[#]}) 47. Bd2 Ke4 48. Kc3 f3 49. Be1 Ke3 $2 (49... Kf5 $1 {
letztmalige Möglichkeit zum Königsrückzug!}) 50. a8=Q $1 Bxa8 51. Kxc4 Ke4 52.
Kc5 Kf5 {Zu spät. Stillhalten nutzt jedoch nichts, weil der Läufer sich auf f2
postiert (Doppelfunktion!) und der b-Bauer mit Hilfe des Königs forciert wird.}
53. Kd6 $1 Bb7 54. b4 Ba6 55. Kc6 Bd3 56. b5 Be4+ 57. Kc7 Bd5 58. b6 Ke4 59.
Bf2 Kd3 60. b7 Ke2 1-0

[Event "Altensteig"]
[Site "Altensteig"]
[Date "1990.??.??"]
[Round "7"]
[White "Hickl, Joerg"]
[Black "Smejkal, Jan"]
[Result "0-1"]
[ECO "B29"]
[WhiteElo "2480"]
[BlackElo "2545"]
[Annotator "Horn,Pe"]
[PlyCount "72"]
[EventDate "1990.07.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[EventCategory "9"]
[SourceTitle "CBM 020"]
[Source "ChessBase"]
[SourceDate "1991.02.01"]
[SourceVersion "1"]
[SourceVersionDate "1991.02.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d3 d5 3. Nbd2 (3. Bg5 $5) 3... c5 4. e4 Nc6 5. c3 e5 {Führt die
Partie endgültig in die Bahnen einen Altindischen Verteidung mit vertauschten
Farben.} 6. a3 {N} (6. Be2 Be7 7. O-O O-O $10) 6... Be7 7. b4 a6 8. Be2 O-O 9.
O-O Re8 10. Re1 Bf8 11. Bb2 h6 12. Qb1 $6 (12. Bf1) 12... Rb8 13. Bf1 dxe4 $1
14. dxe4 (14. Nxe4 $5) 14... b5 $1 {verhindert Nc4-e3.} 15. Be2 Qb6 $1 16. Nb3
(16. Nf1 $2 cxb4 17. cxb4 Ng4) (16. h3) 16... c4 17. Nbd2 Bb7 18. Nh4 $2 {
führt zu nichts} Nd8 19. g3 Ne6 20. Nhf3 (20. Nf5 g6) 20... Rbd8 21. Bc1 g6 22.
h3 (22. Nxe5 Ng5 $19) 22... Bg7 23. a4 g5 24. Nh2 h5 25. axb5 axb5 26. Bf1 g4
27. h4 Rd7 28. Qa2 Kh7 29. Bg2 $2 Rd3 $19 30. Nhf1 (30. Qc2 Rxg3) 30... Rxc3
31. Ne3 Rd3 32. Nf5 Nd4 33. Qa7 (33. Bf1 Rxd2 34. Qxd2 Nxf5 35. exf5 Qc6) 33...
Qc6 34. Nxd4 Rxd4 35. Qa3 Ra8 36. Qb2 c3 0-1

[Event "Dortmund SuperGM 35th"]
[Site "Dortmund"]
[Date "2007.06.26"]
[Round "3"]
[White "Leko, Peter"]
[Black "Naiditsch, Arkadij"]
[Result "1/2-1/2"]
[ECO "B29"]
[WhiteElo "2738"]
[BlackElo "2654"]
[Annotator "Horvath,J"]
[PlyCount "76"]
[EventDate "2007.06.23"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[EventCategory "20"]
[SourceTitle "CBM 119"]
[Source "ChessBase"]
[SourceDate "2007.08.01"]
[SourceVersion "1"]
[SourceVersionDate "2007.08.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Qxd4 e6 6. Bc4 (6. c4 Nc6 7. Qe4
Nde7 {[%cal Ge7g6,Gg6e5]} 8. b3 (8. Bd2 Ng6 9. Nc3 a6 10. Na4 d5 $11) 8... Ng6
9. Bb2 Qa5+ $1 {This very important check, disturbs White's development.} (9...
Bb4+ 10. Nbd2 Qa5 11. a3 Bxd2+ 12. Nxd2 Ncxe5 13. f4 $16) (9... Be7 10. Be2 O-O
11. O-O d6 12. Rd1 Qc7 13. exd6 Bxd6 14. Na3 a6 15. Nc2 b6 16. Ncd4 Nce5 (16...
Bd7 $2 17. Nxc6 Bxc6 18. Qd4 $18) 17. Qxa8 $6 Bb7 18. Qa7 Ra8 19. Nxe6 $1 fxe6
20. Qxb7 Qxb7 21. Rxd6 Nf7 $2 (21... Qe4 $1 22. Rxe6 Qxe2 23. Bxe5 Rf8 24. Re1
Qxa2 $15) 22. Rxe6 {Chiburdanidze,M-Markovic,G/Malta (ol) 1980/}) 10. Nbd2 Ba3
$1 11. Bxa3 Qxa3 12. Be2 Qa5 {[%csl Re5]} (12... Ncxe5 13. Nxe5 Qb2 $17)) (6.
a3 Nc6 7. Qe4 f5 8. Qe2 Qc7 9. c4 Nde7 10. b3 Ng6 11. Bb2 d6 $13) (6. c3 {
leads to the 2.c3 Sicilian.}) 6... Nc6 7. Qe4 d6 {This natural reply is the
best possibility for Black.} (7... f5 8. Qe2 Nde7 9. O-O (9. Nc3 a6 10. h4 b5
11. Bb3 Qc7 12. Bd2 Bb7 13. O-O-O Na5 14. Kb1 Nxb3 15. cxb3 b4 16. Na4 Be4+ 17.
Ka1 Nc6 18. Bg5 h6 19. Bf4 g6 20. Qe3 Rb8 21. Nd2 Bxg2 22. Qg3 {1-0 Tal,
M-Zaitsev,I/Sochi 1977}) (9. h4 $5 {Khalifman}) 9... Ng6 (9... Qc7 10. Re1 Ng6
11. h4 Rg8 12. Bb5 a6 13. Bxc6 Qxc6 14. c4 b6 15. h5 Nh8 16. Nd4 Qc7 17. Nc3
Bb7 18. Bf4 Bc5 19. Rad1 $16 {Caruana,F-Shytaj,L/Porto Mannu PAL 2007/}) 10.
Bb5 Be7 11. Bxc6 bxc6 12. Nbd2 Nf4 13. Qc4 g5 (13... Nd5 14. Nb3 a5 15. Qd4 $13
) 14. Nb3 a5 15. Nc5 Qb6 (15... Nd5 $6 16. Ne1 $1 $14 {Khalifman,A-Karasev,V/
USSR 1983/}) 16. Bxf4 gxf4 17. Nd3 c5 $1) 8. O-O (8. Bxd5 exd5 9. Qxd5 dxe5 10.
Qxd8+ Kxd8 11. Nc3 f6 12. Be3 Bf5 13. O-O-O+ Ke8) (8. exd6 Nf6 9. Qe2 (9. Qh4
Bxd6 10. Nc3 Ne5 11. Nxe5 Bxe5 12. O-O O-O 13. Bd3 Qd4 $11 {Schlechter,
C-Nimzowitsch,A/San Sebastian 1912/}) 9... Bxd6 10. O-O (10. Bg5 h6 (10... Qa5+
11. Nc3 O-O 12. Bxf6 gxf6 13. O-O-O $36) 11. Bh4 Qa5+ 12. c3 $1 (12. Nbd2 $6 g5
13. Bg3 Bxg3 14. hxg3 g4 $1 {Matulovic,M-Sahovic,D Jugoslavia ch 1976})) 10...
O-O (10... Qc7 $6 11. Nc3 a6 12. Re1 O-O 13. Ne4 Nxe4 14. Qxe4 $14 Ne5 15. Ng5
$1 (15. Nxe5 Bxe5 16. Qxe5 Qxc4 $11) 15... Ng6 16. h4 b5 17. Bd3 h6 18. h5 $18
{Savon,V-Kirov,N Sukhumi 1972}) 11. Bg5 h6 (11... a6 12. Nc3 h6 13. Bxf6 Qxf6
14. Ne4 Qe7 15. Nxd6 Qxd6 16. Rad1 $14 {Balashov,Y-Prybil,J Moscow 1977}) 12.
Bh4 Be7 13. Rd1 Qa5 14. Nc3 a6 15. a3 Qh5 16. Bg3 b5 17. Bd3 Bb7 $11 {Leventic,
I-Majeric,Z/Borovo CRO 2005/}) 8... Nb6 (8... dxe5 9. Nxe5 Nxe5 (9... Qc7 10.
Nf3 Nf6 11. Qe2 Be7 12. Nc3 a6 13. Rd1 O-O 14. Ne4 Ng4 15. Bg5 b5 $11) 10. Qxe5
Qc7 {Black follows a simple strategy - he wants to exchange pieces.} 11. Bb5+
Bd7 12. Bxd7+ Qxd7 13. c4 Nf6 14. Nc3 Bd6 15. Qe2 O-O 16. b3 Qc7 17. h3 Qa5 18.
Nb5 Be7 19. Qf3 a6 20. Nd4 Qe5 21. Bb2 Qe4 22. Qxe4 Nxe4 23. Rfe1 Nf6 24. Rad1
Rfd8 25. Bc3 Kf8 26. Kf1 Rac8 $11 {Sax,G-Baumbach,F/Germany 1992/GER-chT2}) 9.
Bb5 Bd7 (9... d5 10. Qf4 $14) 10. exd6 (10. Nc3 a6 11. Be2 Qc7 $11) 10... Bxd6
11. Nc3 a6 12. Be2 f5 $5 {Black plays in very original fashion: he wants to
castle queenside.} (12... O-O) 13. Qd3 Qc7 14. Be3 Ne5 15. Nxe5 Bxe5 $11 16. f4
Bf6 17. Bd4 Bxd4+ (17... O-O-O 18. Bxf6 gxf6 19. Rad1 Qc5+ 20. Qd4 Qxd4+ 21.
Rxd4 Bc6 $11) 18. Qxd4 O-O-O (18... O-O $11) 19. Rad1 Bc6 20. Qe3 Rxd1 21. Rxd1
Re8 22. Bf1 e5 $15 23. fxe5 Rxe5 24. Qd4 g6 25. Qd6 Qxd6 26. Rxd6 Kc7 27. Rd4
Nd7 (27... Nd5 28. Nxd5+ Rxd5 29. Rxd5 Bxd5 $15) 28. Kf2 Nf6 29. Be2 b5 30. Bf3
g5 31. a4 h6 32. axb5 axb5 33. h3 f4 34. h4 $1 $11 Rf5 35. hxg5 hxg5 36. Rb4
Re5 37. Bxc6 Kxc6 38. g3 fxg3+ 1/2-1/2

[Event "ISR-chT"]
[Site "Israel"]
[Date "2004.01.10"]
[Round "2"]
[White "Kundin, Alexander"]
[Black "Afek, Yochanan"]
[Result "1-0"]
[ECO "B29"]
[WhiteElo "2424"]
[BlackElo "2376"]
[Annotator "Kundin,A"]
[PlyCount "113"]
[EventDate "2004.01.03"]
[EventType "team"]
[EventRounds "11"]
[EventCountry "ISR"]
[SourceTitle "CBM 099"]
[Source "ChessBase"]
[SourceDate "2004.03.30"]
[SourceVersion "1"]
[SourceVersionDate "2004.03.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 e6 5. Nxd5 exd5 6. d4 Nc6 7. dxc5 Bxc5 8.
Qxd5 d6 9. Bc4 $6 (9. exd6 {Is the usual and the better continuation.}) 9...
Be6 (9... O-O 10. O-O Be6 11. Qd3 dxe5 (11... Nb4 12. Qe2 Bxc4 13. Qxc4 Rc8 14.
Qb3 $16) (11... Nxe5 12. Nxe5 dxe5 13. Bxe6 (13. Qxd8 Raxd8 14. Bxe6 fxe6 15.
Bg5 Rd5 $11 {The doubled pawns are compensated by black's active pieces.})
13... Qxd3 14. Bxf7+ Rxf7 15. cxd3 Rd8 $11) 12. Qxd8 (12. Bxe6 Qxd3 13. Bxf7+ (
13. cxd3 fxe6 $11) 13... Rxf7 14. cxd3 Rd8 $11) 12... Raxd8 13. Bxe6 fxe6 14.
Bg5 Rd5 15. Rae1 Nd4 (15... e4 $2 16. c4 $1) 16. Nxd4 exd4 17. Bh4 Kf7 $11) 10.
Qd3 Bxc4 $2 (10... Nb4 $1 11. Qe2 (11. Bb5+ Kf8 12. Qe2 Nxc2+ 13. Qxc2 Qa5+ $15
) 11... Bxc4 12. Qxc4 Rc8 13. Qb5+ Qd7 14. Qxd7+ Kxd7 $11) (10... dxe5 11. Bxe6
fxe6 (11... Qxd3 12. Bxf7+ Kxf7 13. cxd3 Rhd8 $14)) (10... Nxe5 11. Nxe5 dxe5
12. Bxe6 Qxd3 (12... fxe6 $2 13. Qb5+) (12... Bb4+ 13. Ke2 Qxd3+ 14. Kxd3 fxe6
$14) 13. Bxf7+ Kxf7 14. cxd3 Rac8 $44) 11. Qxc4 Qe7 {Seems OK but white has a
strong answer...} (11... Qb6 12. exd6 Bxf2+ 13. Kf1 O-O 14. Bf4 $16) {[%tqu
"En","What can white do?","","","c1e3","",10,"c1g5","",0,"e1g1","",0]} 12. Be3
$1 (12. Bg5 f6 13. Be3 Nxe5 14. Nxe5 Qxe5 $13) (12. O-O dxe5 13. Re1 O-O-O $11)
12... Bxe3 (12... Nxe5 13. Nxe5 Qxe5 14. Qb5+ Kf8 15. O-O Bxe3 16. Qxb7 Re8 17.
fxe3 Qxe3+ 18. Kh1 $16) 13. exd6 Qxd6 (13... Bxf2+ 14. Kxf2 Qxd6 15. Rad1 Qc7
16. Rhe1+ $16) (13... Bd2+ 14. Kxd2 Qxd6+ 15. Qd3 O-O-O (15... Qf4+ 16. Qe3+)
16. Qxd6 Rxd6+ 17. Kc3 Rg6 18. Rhg1 $16) 14. fxe3 O-O 15. O-O $16 {White got
an extra (though weak) pawn from the opening. The rest of the game was not so
interesting - probably black could've defended better but the really
interesting part of the game was definitely the opening.} Rae8 16. Rfe1 Re7 17.
Rad1 Ne5 18. Nxe5 Qxe5 19. Qd4 Qa5 20. Qd5 Qb6 $6 (20... Qa4 $16) 21. Qd6 $1 {
Exchanging queens and going into probably a won endgame.} Qxd6 (21... Rxe3 22.
Qxb6 Rxe1+ 23. Rxe1 axb6 24. Re7 Rb8 25. Kf2 $18) 22. Rxd6 g6 23. Kf2 Rc8 24.
c3 Rc5 25. Red1 Rh5 26. Rd8+ Kg7 27. R1d7 Kf6 28. Rxe7 Kxe7 29. Rb8 Rb5 30. b4
$18 Kd6 31. e4 Rb6 (31... Kc7 32. Rf8) 32. Ke3 Ra6 (32... Kc7 33. Rf8 Rf6 34.
g4 $18) 33. Rxb7 Ke6 34. Kd4 Rxa2 35. g3 h5 36. h4 f5 37. exf5+ Kxf5 38. Rb5+
Kf6 39. Ra5 Rd2+ 40. Ke4 Re2+ 41. Kf4 Rf2+ 42. Ke3 Rg2 43. Ra6+ Kf5 44. Ra5+
Kf6 45. Kf4 Rf2+ 46. Ke4 Re2+ 47. Kd4 Rd2+ 48. Kc5 Rd7 49. Kc6 Rd3 50. c4 Rxg3
51. b5 Rg4 52. c5 Rxh4 53. Rxa7 Rb4 54. b6 h4 55. b7 h3 56. Ra3 h2 57. Rh3 1-0

[Event "Dortmund 46th"]
[Site "Dortmund"]
[Date "2018.07.17"]
[Round "3"]
[White "Giri, Anish"]
[Black "Kovalev, Vladislav"]
[Result "0-1"]
[ECO "B29"]
[WhiteElo "2782"]
[BlackElo "2655"]
[Annotator "Mekhitarian,K"]
[PlyCount "146"]
[EventDate "2018.07.14"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "GER"]
[EventCategory "19"]
[SourceTitle "CBM 186"]
[Source "ChessBase"]
[SourceDate "2018.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2018.09.14"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 {The Nimzowitsch Variation, nowadays played repeatedly by
the Russian GM Alexander Rakhmanov. In the following moves, I will reference
some of the first games in this variation, that was defended mostly by
Nimzowitsch himself and the great Rubinstein.} 3. e5 {I believe this is the
critical move.} (3. Nc3 {is also possible, but Black has been holding without
many problems:} d5 4. exd5 (4. e5 Nfd7 5. e6 $5 fxe6 6. Bb5 a6 7. Bxd7+ Bxd7 8.
O-O g6 9. d4 Bg7 10. dxc5 O-O 11. Re1 Nc6 $13 {0-1 (51) Anand,V (2759)
-Mamedyarov,S (2808) Leuven 2018; with interesting play.}) 4... Nxd5 5. Bb5+ (
5. Bc4 e6 6. O-O Be7 7. d4 Nxc3 8. bxc3 O-O 9. Ne5 Qc7 10. Bd3 Nc6 $11 {
0-1 (46) Spielmann,R-Nimzowitsch,A San Sebastian 1911}) 5... Bd7 6. Ne5 $5 {
is one of the most challenging variations} (6. Bc4 Nb6 7. Be2 Nc6 8. d4 cxd4 9.
Nxd4 e5 10. Ndb5 a6 11. Nd6+ Bxd6 12. Qxd6 Bf5 13. Qxd8+ Rxd8 $15 {½-½ (32)
Ponomariov,R (2694)-Rakhmanov,A (2653) Riadh 2017 and Black already has a more
pleasant position}) 6... Nf6 $1 7. Qf3 Qc8 8. a4 e6 $1 (8... a6 $6 9. Bxd7+
Nbxd7 10. Nc4 $1 $14 {[%csl Ra8,Rb7,Rc8] ½-½ (41) Moskalenko,A (2531)
-Rakhmanov,A (2669) Sochi 2017, and Black has some problems developing his
queenside.}) 9. b3 Be7 10. Bb2 O-O 11. O-O a6 12. Bxd7 Nfxd7 13. Nc4 Nc6 $11 {
0-1 (97) Khanin,S (2450)-Rakhmanov,A (2659) Khanty-Mansiysk 2017}) 3... Nd5 4.
Nc3 (4. d4 cxd4 5. Qxd4 (5. c3 {transposes to the Alapin variation of the
Sicilian}) 5... e6 6. Bc4 Nc6 7. Qe4 d6 8. exd6 Nf6 9. Qh4 Bxd6 $11 {1/2-1/2 
(79) Schlechter,C-Nimzowitsch,A San Sebastian 1912}) 4... e6 (4... Nxc3 $5 {
Is also playable} 5. dxc3 Nc6 6. Bf4 (6. Bc4 d6 (6... e6 $1 {should be played,
Rubinstein's 6...d6 is way too optimistic and risky}) 7. Bf4 dxe5 8. Nxe5 Qxd1+
9. Rxd1 Nxe5 10. Bxe5 a6 11. Bc7 $1 $16 {1-0 (28) Alapin,S-Rubinstein,A
Vilnius (Lithuania) 1912}) 6... e6 {White is better with more space, but Black
may have long-term weaknesses to attack, and White's play is not that
straightforward.} 7. Qd2 h6 8. h4 Qc7 9. O-O-O a6 10. Bd3 b5 11. Be4 Bb7 12.
Qe3 Ne7 $1 {[%csl Rd5] getting a strong hold of the important d5-square, that
will soon be used by the knight.} 13. Kb1 c4 14. Rhe1 Bxe4 15. Qxe4 Qc6 16. Bc1
Qxe4 17. Rxe4 h5 {with a nice blockade on d5} 18. b3 $6 Nd5 19. Bb2 Rc8 $17 {
0-1 (59) Pavlidis,A (2539)-Duda,J (2693) Minsk 2017}) 5. Nxd5 (5. g3 {played
by Reti, doesn't look threatening:} Nc6 6. Bg2 Nxc3 (6... d6 $5 {was also fine}
) 7. bxc3 d6 8. exd6 Bxd6 9. O-O O-O 10. d3 Be7 11. Be3 Bd7 $11 {0-1 (48) Reti,
R-Rubinstein,A Gothenburg 1920}) 5... exd5 6. d4 Nc6 (6... d6 {is not that bad:
} 7. Bb5+ Nc6 8. O-O Be7 9. c4 $1 a6 10. exd6 Qxd6 11. dxc5 Qxc5 12. Be3 Qd6
13. Bxc6+ (13. c5 $5 $14) 13... bxc6 14. cxd5 Qxd5 15. Qxd5 cxd5 16. Rfd1 Be6
17. Rac1 {is slightly better for White, but always unpleasant to defend,
specially after the bishop exchange on the next move, that I feel Black must
avoid.} Bf6 18. Bd4 Bxd4 19. Nxd4 Kd7 20. f4 g6 21. Rc5 Rhc8 22. Ra5 Rab8 23.
Rd2 $14 {1-0 (59) Martinez Alcantara,J (2539)-Slipak,S (2420) Montevideo 2018})
7. c3 {A solid move, avoiding complications, and looking to play against the
isolated pawn. In any case, Black is doing just fine after the opening.} (7.
dxc5 Bxc5 8. Qxd5 {used to be the critical move, but Black is holding his
ground after:} (8. Bd3 {seems harmless for Black} d6 9. exd6 Qxd6 10. O-O O-O
11. Re1 h6 12. h3 (12. Be3 Bxe3 13. Rxe3 Bg4 $11 {would be simply equal}) 12...
Bd7 (12... Bxh3 $5 {there is no need for such adventures} 13. gxh3 Qg3+ 14. Kh1
Bxf2 15. Rf1 (15. Bf1 $4 Nd4 $1 $19 {[%csl Re1,Rg1] 0-1 (37) Pinter,E (2212)
-Markos,J (2225) Slovakia 2000}) 15... Qxh3+ 16. Nh2 Bg3 17. Qe2 $13 {feels
better for White, but the position remains complicated}) 13. Be3 d4 14. Bd2
Rfe8 15. a3 Qd5 16. b4 Bd6 17. c4 dxc3 18. Rxe8+ Rxe8 19. Bxc3 Be6 20. Be4 Qxe4
21. Qxd6 $11 {½-½ (29) So,W (2792)-Mamedyarov,S (2804) Wijk aan Zee 2018})
8... d6 $1 (8... Qb6 9. Bc4 $1 Bxf2+ 10. Ke2 O-O 11. Rf1 Bc5 12. Ng5 Nd4+ 13.
Kd1 Ne6 14. Ne4 Be7 15. Nd6 $5 {With complex play, but White should have the
upper hand, because of the major development issues of the black queenside.})
9. exd6 Qb6 {[%csl Rf2][%cal Rc5f2]} 10. Qe4+ Be6 11. Qh4 (11. d7+ Kxd7 12. Be3
Bxe3 13. fxe3 Qxb2 $1 14. Rd1+ Ke7 $11 {1/2-1/2 (30) De Gleria,F (2420)
-Buenermann,V (2325) Germany 2004 Black is doing just fine.}) 11... Bxd6 12.
Be2 O-O 13. O-O Bf5 14. c3 Rae8 $44 {with good play for Black.}) 7... cxd4 (
7... d6 8. Bb5 Be7 9. exd6 Bxd6 10. Qe2+ {would be similar to the game:} Be6
11. dxc5 Bxc5 12. O-O O-O 13. Be3 $14 {should be slightly more pleasant for
White.}) 8. Nxd4 (8. cxd4 $6 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 d6 $11 {and Black
doesn't have any problems.}) 8... d6 (8... Nxe5 $6 {looks way too risky} 9. Bf4
$1 d6 10. Bb5+ Bd7 11. O-O Be7 12. Qb3 Nc4 13. Rfe1 (13. Bxd7+ $5 Qxd7 14. Nc2
O-O 15. Nb4 $14) 13... O-O 14. Bxc4 dxc4 15. Qxb7 Re8 (15... Rb8 $5 16. Qxa7
Rxb2 $13) 16. Nc6 Bxc6 17. Qxc6 Rc8 18. Qa4 a5 19. Rad1 $16 {1-0 (59) Kurnosov,
I (2645)-Arribas Lopez,A (2477) Zuerich 2012}) 9. Bb5 Bd7 10. exd6 Bxd6 11. O-O
(11. Qe2+ Qe7 12. Qxe7+ Kxe7 {exchanging queens should be favourable for Black,
who still has a worse structure, but shouldn't suffer much in the endgame.})
11... O-O 12. Nb3 a6 13. Be2 Qc7 14. h3 Rfe8 $36 {Black slowly becomes more
active, and the isolated d5-pawn is no problem at all.} 15. Re1 Re5 (15... Bf5
$1 {trying to find the best setup for the pieces, with the simple Rad8:} 16.
Qxd5 (16. Be3 Rad8 $36 {with at least equality for Black}) 16... Bg6 {
threatening Rad8} 17. Qd1 Red8 $3 (17... Rad8 {is the most logical and also
playable, but there is an issue with the e8-rook hanging:} 18. Bf1 $1 Bh2+ 19.
Kh1 $14 {when Black can't take the queen because of checkmate on e8}) 18. Bd2
Bh2+ 19. Kh1 Bf4 20. Bxf4 Qxf4 21. Qc1 Qxf2 $15) (15... Rad8 $5 16. Bg5 f6 17.
Be3 Kh8 $11) 16. Be3 Rae8 17. Bd3 g6 (17... Qc8 $1 {[%csl Rh3][%cal Rd7h3]} 18.
Qf3 Bf5 $11 {would be very solid for Black, who is left without any problems.})
18. Qd2 Qd8 19. Nd4 Nxd4 20. Bxd4 Rxe1+ 21. Rxe1 Rxe1+ 22. Qxe1 Qe8 23. Qd2 $14
{After a few tiny inaccuracies, now White has a tiny edge, which at the end
shouldn't be much, but there is play because of the weak isolated pawn on d5.}
Be5 24. Be3 (24. Bxe5 Qxe5 25. Be2 $11 {these kinds of positions never promise
anything for White, since Black has an active queen and will place his bishop
on either c6 or e6.}) 24... Qe6 25. f4 Bf6 26. a3 h5 27. Bc2 Bc6 28. Bf2 Qe7
29. Bd1 Qe6 30. Bc2 Qe7 31. Bb6 Qe6 32. Qf2 Qe8 33. Qd2 Qe6 34. Bc5 Qe8 {
After some manoeuvering, White loses control with a bad move and suddenly
enters a difficult position:} 35. Qd1 $2 d4 $1 {Kovalev takes the chance! the
d4-pawn is untouchable.} 36. Qd2 (36. cxd4 Qe3+ {[%csl Rf4,Rh3]} 37. Kh2 Bd5 $1
{is the most precise, leaving the c5-bishop out of play and preparing a
devastating attack on the next move.} 38. Qf1 {[%csl Rf4]} Bh4 39. Bd6 Bg3+ 40.
Kh1 Qe6 $1 $19 {[%cal Re6h3,Re6d6]}) (36. Bxd4 Bxd4+ 37. cxd4 (37. Qxd4 Qe1+
38. Kh2 Qe2 $19 {[%csl Rc2,Rg2]}) 37... Qe3+ 38. Kh2 (38. Kh1 $4 {runs into
checkmate} Qxh3+ 39. Kg1 Qxg2#) 38... Qxf4+ 39. Kh1 Qg5 $1 {[%csl Rd5]
attacking g2 and keeping an eye on d5 as well} 40. Qf1 Bd5 $1 $19 {stopping
Bb3 and preparing the devastating ...Qd2 or ...Qe3.}) 36... dxc3 37. bxc3 Qe6 {
[%csl Ra3,Rc3][%cal Re6a2] Now suddenly White is in trouble with the weak
pawns.} 38. Bd4 Bxd4+ 39. cxd4 Qa2 40. Qc3 Qd5 41. Qd2 Qa2 42. Qc3 h4 $1 {
[%csl Rg2]} 43. Kh1 a5 $1 44. a4 {It's always sad to place another pawn on a
light square, but Black had an idea to play ...a4 himself.} (44. Kh2 Qd5 {
[%csl Rg2]} 45. Qd2 a4 46. Kg1 b5 $36 {White has to watch for moves like ...b4
here, trying to put the a-pawn in the 6th rank.}) 44... Qd5 (44... Bxa4 $6 {
should be a relief for White.} 45. Bxa4 Qxa4 46. f5 $1 {In queen endgames, it
is always important to open up your opponent's king.} gxf5 47. Qc8+ Kg7 48.
Qxf5 Qd1+ 49. Kh2 Qxd4 50. Qg5+ Kf8 51. Qxa5 {Black retains tiny chances to
convert this endgame, with such a weak king.} b6 $17) 45. Qd2 b6 (45... Kg7 $5
{could have been more precise} 46. f5 gxf5 47. Qg5+ Kf8 48. Bxf5 Qxd4 $17) 46.
f5 $1 $132 Kg7 47. fxg6 fxg6 48. Bd1 Qf5 49. Kg1 Bd5 50. Bc2 Qf6 51. Qe3 g5 52.
Bd3 Kh6 53. Bc2 Kg7 54. Bd3 Kh6 55. Bc2 (55. Be2 $1 {was better, preparing Bf3
next.} Qf4 56. Qe7 $1 Qxd4+ 57. Kh2 $132) 55... Qf4 56. Qd3 $6 (56. Qe7 $5 {
would force the following queen endgame:} Qxd4+ 57. Kh2 Qf4+ 58. Kg1 Qc1+ 59.
Kh2 Qxc2 60. Qd6+ Kg7 61. Qxd5 {with a long endgame to come, and excellent
drawing chances for White.}) 56... Kg7 $1 57. Qg6+ Kf8 58. Qd3 Kg7 59. Qg6+ Kf8
60. Qd3 Ke7 {The black king slowly escapes from the checks.} 61. Bd1 Qe4 62.
Qd2 (62. Qxe4+ $2 {would lose easily because of the huge weaknesses on the
kingside.} Bxe4 63. Kf2 Kd6 64. g3 Kd5 65. gxh4 gxh4 66. Ke3 Bf5 {[%csl Rh3]}
67. Bg4 Bc2 68. Bd7 Kd6 $1 $19 {Now White loses either a4 (...Bxa4) or h3 (...
Bf5).}) 62... Kd6 63. Bc2 Qf4 64. Qd3 (64. Qxf4+ {is hopeless} gxf4 65. Kf2 Bc6
{[%csl Ra4]} 66. Bb3 Be4 67. Kg1 Kc6 68. Kf2 b5 $1 $19 {with an easy endgame
win.}) 64... Kc7 65. Qh7+ Kb8 $1 66. Qd3 (66. Qh8+ $1 Ka7 67. Qh7+ Bb7 68. Qd3
{had to be tried, keeping an eye on d5 if Black tries to play ...g4 again} g4
69. hxg4 Qxg4 70. d5 $17 {when White survives at least for now.}) 66... g4 $1 {
Finally Black crashes through.} 67. hxg4 Qxg4 {[%csl Rd4,Rg2]} 68. Qg6 (68. Qd2
{doesn't save the day:} h3 $1 69. Bd1 Qxg2+ 70. Qxg2 hxg2 $19 {Again Black
wins the endgame easily after centralising his king.}) 68... Qxd4+ 69. Kh1 Bb7
{Keeping the king safe.} 70. Qe8+ Ka7 71. Bf5 Qd1+ 72. Kh2 Qd6+ 73. Kh1 Qg3 $19
{White resigned, since he is forced to play Qg6, when Black takes on g2,
exchanges queens and wins the endgame with two pawns up. A very resilient game
from Kovalev, who was holding on to a slightly inferior position, took his
chance when it appeared on the board, and was able to squeeze a win against
one of the Top 10 players in the world!} 0-1

[Event "Norway Chess 4th"]
[Site "Stavanger"]
[Date "2016.04.21"]
[Round "3"]
[White "Carlsen, Magnus"]
[Black "Grandelius, Nils"]
[Result "1-0"]
[ECO "B29"]
[WhiteElo "2851"]
[BlackElo "2649"]
[Annotator "Nielsen,Peter Heine"]
[PlyCount "75"]
[EventDate "2016.04.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NOR"]
[EventCategory "21"]
[SourceTitle "CBM 172"]
[Source "ChessBase"]
[SourceDate "2016.05.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.05.12"]
[SourceQuality "1"]

{Magnus had a good start to Norway Chess, beating Harikrishna and then drawing
with a very solidity minded Topalov. Next was the young Swedish top player
Grandelius who in the qualifier had edged out local favourite Hammer. Nils
announced at the press-conference that he was afraid of no-one, and would stay
loyal to his style, and certainly kept his word even when facing the World
Champion:} 1. e4 c5 2. Nf3 Nf6 $6 {A line the Swedish team had prepared for
the 2015 European championship in Reykjavik, and with which he made a draw
against Adams. After the game he was asked when he made his mistake, and said
" On move two!" It is true that the line most likely is dubious, but the
decisive mistake did only come later though.} 3. e5 $1 {Part of the reason
that 2...Nf6 is not very popular is that after 3.Nc3 Black's best option most
likely is just 3...d6 which after 4.d4 transposes back to main-line Sicilians
as in the Grandelius game with e.g. Harikrishna recently. However Nils' clever
point is that then he would have avoided Magnus' pet-line 3.Bb5+! But 3.Nc3 in
a way is kind of the lazy reaction to 2...Nf6, so one could argue that Nils
actually forces Magnus to play the best move!} Nd5 4. Nc3 Nxc3 (4... e6 {
used to be Black's try years back, when:} 5. Nxd5 exd5 6. d4 Nc6 7. dxc5 Bxc5
8. Qxd5 Qb6 9. Bc4 $1 {led to complications favourable for White, which lead
to Black players abandoning the line.}) 5. dxc3 Nc6 6. Bf4 Qb6 $5 {This
however is Black's new idea, resurrecting the line. Earlier Black played a
setup with the queen on c7 followed by long castling, but then White gets easy
development with Bd3 Qe2 0-0-0 etc. Now however Black tries forcing a weakness.
If after 7.Rb1 long castling is ruled out altogether, and 7.b3 at least gives
Black a target on c3 White should aim for 0-0-0. Which lead Magnus to the
conclusion that...} 7. Qc1 $5 {was the way to handle the position. Of course
the queen can be said to be awkwardly placed on c1, but despite the d-file
being open it was not of much use there anyway, and while 0-0-0 being as a
minimum postponed, White does have the simple plan of Bd3 and 0-0, while on
the other hand for Black it is much harder to come up when a sensible way to
finish his development.} f6 $5 {Nils took his time, and then played the
principled move. Ipatov has tried 7...h6 8.h4 d5 but after 9.exd6 exd6 10.Qe3+
is an obvious improvement with a pleasant position for White. Now however
Black tries undermining the white centre. Intending either the bold ...g5 as
well as ...d6 exd6 e5!.} 8. Bc4 $5 {A logical developing move, that makes 8...
d6 look less attractive as: 9.exf6 gxf6 10.Qe3!? when despite Black getting
his huge centre, it looks more like White's speedy development is the relevant
factor. Black might have to play 10...e5, but then White gets a grip on the
white squares in return. Nils shows no fear, and again plays the principled
move:} g5 $5 9. Bg3 $5 (9. exf6 {was a similar piece sacrifice to the game.
After} gxf4 10. Qxf4 {it even looks like White has won some time, but the
knight on f3 is a less strong attacking piece than the bishop on g3, and
concretely after} Na5 $1 {there seems to be no effective follow-up for White.})
9... g4 10. exf6 $1 {I praised Nils' courage, but one has to give credit for
Magnus' lack of fear too. The piece sacrifice is purely intuitive, believing
White's compensation to be sufficient.} gxf3 11. Qf4 $5 {Played quickly, and
very much planned when sacrificing the piece. It aims at both the f7- and
c7-squares, hoping to catch the black king in the centre, and not caring about
Black getting a tempo to take on g2. White however had an interesting
alternative, and if 12...h5! seems to hold in the game continuation, 11.0-0
might actually be very relevant for the theoretical debate of 2...Nf6, should
such a debate exist...} ({After} 11. O-O {The best seems to be} Na5 $1 {when} (
11... fxg2 12. Re1 {just helps White.}) ({So Black should either go for} 11...
e6 {when however} 12. Qf4 {looks very dangerous for Black as e.g} Kf7 13. Rad1
d5 $2 (13... Na5 14. Bd3) 14. Rxd5 $1 {crashes through.}) 12. f7+ Kd8 13. Bd5
Qg6 {looks like the critical line with a strange position where to me it looks
like White has at least sufficient compensation for the sacrificed piece.})
11... fxg2 $5 {Greedy and good.} ({If directly} 11... Na5 {then Magnus pointed
out in the post mortem that} {, however} 12. f7+ $1 (12. fxe7 Bxe7 13. Bf7+ Kf8
$1 {was an important resource for Black, as he should not fear the discovered
check, and now threatens ...Qf6 consolidating, practically speaking forcing
White to give a perpetual.} (13... Kd8 14. O-O $18) 14. Be6+ $11) 12... Kd8 13.
Bd5 {gives White great compensation similar to the game.}) (11... h5 {allows
White options with 0-0 making ...h5 lose its point, so Black's move order is
the correct one.}) 12. Rg1 Na5 $2 {A very logical move, but possibly the
losing mistake!} ({The absolutely only way is} 12... h5 $1 {stopping long
castling due to ...Bh6 as well as having the option of disturbing the white
bishop by ...h4.} {The best probably is} 13. Rxg2 $5 {when} (13. fxe7 Bxe7 14.
Qf7+ ({and also} 14. O-O-O Kd8 {seems to hold up decently as well}) 14... Kd8
15. Qg7 Re8 16. O-O-O Na5 17. Bf7 Qf6 $1 {defends just in time.}) ({Trying to
continue similarly to the game with} 13. f7+ $6 Kd8 14. O-O-O {runs into} ({and
} 14. Rxg2 d6 15. O-O-O Kc7 16. Bh4 Bg4 {also defends well.}) 14... h4 $1 15.
Bxh4 Qc7 $1 {when White's attack seems too slow.}) 13... Kd8 $1 14. fxe7+ (14.
O-O-O $6 Bh6 15. Qxh6 Rxh6 16. Bf4 d6 {unfortunately defends}) 14... Bxe7 15.
O-O-O h4 16. Bxh4 Bxh4 17. Rg8+ Rxg8 18. Qxh4+ Kc7 19. Bxg8 {which leads to an
equal position. Black has an extra piece but White's attack and the h-pawn
balances the position.}) 13. f7+ (13. fxe7 Bxe7 14. Bf7+ Kf8 $1 {again is
strong, forcing White to limit himself to a draw by perpetual check.}) 13...
Kd8 14. Bd5 {A key position in the game. At first it looks like Black has
survived the worst. His king will be safe on c7, and having "lured" White's
pawn to f7, his e7-d6-c5 construction looks solid. At first the computer
agrees, but after a few minutes comes to the realisation that White is winning.
Grandelius thought for half an hour, but came to the same result. Yes Black's
king is safe, but there is no reasonable plan for stopping a White rook from
invading on g8.} Bh6 $6 {Nils decided to sacrifice a rook for some counterplay,
but it is insufficient.} (14... d6 15. O-O-O Kc7 16. Rxg2 Bh3 17. Rgg1 {
is the illustrative mainline. After} Nc6 {he even pauses for} 18. Kb1 {as then}
Ne5 ({and} 18... Bd7 19. Bh4 Ne5 20. Rg8 Ng6 21. Qe4 Bc6 22. c4 {leaves Black
in a hopeless position, despite his extra piece.}) {is met by} 19. Qh4 $1) 15.
Qe5 Rf8 16. Bh4 $1 {This is the problem. Mate is threatened on e7, and Black
has to give up the rook to lure the white bishop away from attacking the
c6-square as 16...Nc6 17.Bxc6 Rxf7 18.Rxg2 wins on the spot.} Rxf7 17. Bxf7 Nc6
18. Qg3 Qxb2 19. Rd1 Qxc2 20. Bd5 {Materialistically speaking it is not that
bad for Black, but add on top a white attack, and the overall situation
becomes hopeless.} Qf5 21. Rxg2 Bf4 22. Qf3 $5 (22. Qxf4 $5 Qxf4 23. Rg8+ Kc7
24. Bg3 {was simple and strong, but Magnus plays for the maximum.}) 22... Kc7
23. Rg5 Qf8 24. Bg3 $6 {After the game he expressed his dissatisfaction with
this inacurracy. Taking on c6 first, and only then Bg3 would have been simpler.
} e5 25. Rh5 $6 (25. Bxc6 $1 {actually was still possible, as Nils intended:}
Qe7 $5 {while tactically creative, getting out of the f-file pin, and
preparing a discovered check in the e-line, still falls short after} 26. Rh5
dxc6 27. Qe4 $1 {attacking h7, and thus winning comfortably for White.}) 25...
a5 26. Rxh7 Ra6 27. Rf7 Qe8 28. Kf1 Bxg3 29. hxg3 Qh8 30. Kg2 Nd8 31. Rf8 Qg7
32. Rh1 Rh6 33. Rxh6 Qxh6 34. Qf6 Qxf6 35. Rxf6 d6 36. Kf3 b5 37. g4 Kd7 38.
Rh6 {And here Grandelius resigned. Even if the rather dull technical phase in
the end dragged out the game a bit, the fireworks right at the start made it
an amazing and atypical game for a supertournament, and gave Magnus a
tournament lead, which he kept till the end.} 1-0

[Event "Budapest FS06 GM"]
[Site "Budapest"]
[Date "1999.06.07"]
[Round "3"]
[White "Maiwald, Jens Uwe"]
[Black "Czebe, Attila"]
[Result "1/2-1/2"]
[ECO "B29"]
[WhiteElo "2467"]
[BlackElo "2420"]
[Annotator "Oratovsky,M"]
[PlyCount "106"]
[EventDate "1999.06.??"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "HUN"]
[EventCategory "9"]
[SourceTitle "CBM 072"]
[Source "ChessBase"]
[SourceDate "1999.10.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.10.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d3 d5 4. Nbd2 Nf6 5. Be2 $6 {after this passive move
white has to fight for an equality almost in all variations.More promising
continuation is} (5. g3 {[%cal Gf1g2]}) 5... e5 (5... g6 $5 6. c3 e5 7. O-O Bg7
8. Qc2 O-O 9. Rd1 Re8 10. Nf1 h6 11. b3 Be6 12. Ng3 Qe7 13. h3 Rad8 $15 {
Gueci,R-Rosino,A/Catania op 1995/1/2-1/2 (57)}) 6. c3 Be7 7. O-O O-O 8. a3 (8.
Re1 Re8 (8... d4 9. Nc4 Nd7 10. a4 b6 11. Bd2 a6 12. Qb1 Rb8 13. cxd4 cxd4 14.
Rc1 (14. b4 b5 15. axb5 Rxb5 $15 {[%csl Rb4]}) 14... a5 15. Bd1 $13 {Zetocha,
C-Turzo,A/Cseppko op 1997/1-0 (46)}) 9. Qc2 Bf8 10. Nf1 h6 11. Ng3 Rb8 12. a4
a6 13. Bd2 b5 14. axb5 axb5 {black has some space advantage. Yang Xian-Antunes,
A/Moscow olm 1994 1/2 (60)}) 8... b5 9. Re1 (9. b4 $5) 9... Rb8 10. Bf1 d4 ({
Deserved attention simple} 10... dxe4 $5 11. dxe4 (11. Nxe4 Nxe4 12. dxe4 Be6
$15 {[%csl Rb3]}) 11... c4 {with very comfortable position after} 12. a4 a6 13.
axb5 axb5 {[%csl Rd3][%cal Gf6d7,Gd7c5]} 14. b3 cxb3 15. Qxb3 Be6 $15) 11. c4
a6 12. cxb5 axb5 13. a4 Ba6 ({More promising continuation was} 13... Ra8 $5 {
preventing entering whites knight on c4} 14. b3 Nd7 15. Bb2 (15. axb5 Rxa1 16.
bxc6 Nb8 17. Nxe5 f6 $17) 15... bxa4 16. bxa4 Na5 17. Qc2 Ba6 $15 {[%csl Gc4]})
14. b3 Bd6 15. axb5 Bxb5 16. Nc4 $132 Ne8 17. g3 Bc7 18. Bh3 g6 $6 ({Deserved
attention} 18... Ra8 {creating counterplay on the queenside.After text move
whites initiative becomes stronger move by move.} 19. Rxa8 Qxa8 20. Bd7 Bxc4
21. bxc4 Nf6 22. Bh3 Ba5 23. Rf1 Rb8 24. Bg5 Bd8 $13) 19. Bh6 Ng7 20. Ng5 {
[%csl Rh7][%cal Gd1g4,Gg4h4]} Re8 21. Qg4 Bd6 22. f4 ({Nothing promises} 22.
Qh4 Be7 $132 {[%cal Ge7h4]}) 22... Be7 23. Rf1 Bxg5 24. Bxg5 f6 25. Bh4 (25.
Bh6 $5) 25... exf4 26. gxf4 Rf8 27. Qg2 ({Doesn't work} 27. e5 f5 28. Qg3 Qd7
29. Nd6 Nb4 30. Nxb5 Qxb5 {[%cal Gg7e6,Gb4d5,Gd5e3] and black knights are
better than white bishops.}) 27... Nb4 28. e5 $2 (28. Qd2 $142 $13) 28... Bc6
$17 29. Rf3 ({Doesn't help} 29. Qg3 Qd5 30. exf6 Nh5 $17 {and white is in the
troubles}) 29... Bxf3 30. Qxf3 Qd5 31. Qe2 fxe5 32. Nxe5 Ra8 {unaccurasy.After
simple} (32... Rxf4 33. Bg3 Rff8 $19 {black has a winning position.}) 33. Rxa8
Rxa8 34. Ng4 $132 Qxb3 35. Nh6+ Kh8 36. Bf6 Ra1+ (36... Nxd3 $6 37. Qe7 Ra1+
38. Bf1 (38. Kg2 Nxf4+ 39. Kf2 Nxh3+ 40. Ke2 Qd1#) 38... Rxf1+ 39. Kxf1 Qb1+
40. Kg2 Qa2+ 41. Kh1 $1 (41. Kh3 Qe6+ 42. Qxe6 Nxf4+ 43. Kg3 Nfxe6 $17) 41...
Qb1+ 42. Kg2 $11) 37. Bf1 Rxf1+ 38. Qxf1 Qxd3 39. Qa1 Qe3+ 40. Kg2 Qe4+ 41. Kg1
Qe3+ (41... Nd3 42. Qb1 Qxf4 $19) 42. Kg2 Qe2+ 43. Kg3 Qa6 $2 ({Still winning} 
43... Qe3+ 44. Kg2 Qe4+ {[%cal Gb4d3]}) 44. Qxa6 Nxa6 45. Kf3 Nb8 (45... d3 46.
Ke3 c4 47. Be5 $22 Nb4 48. Nf7+ Kg8 49. Nh6+ $11 {[%csl Rb4][%cal Ge5d6,Rd6b4,
Rd6f8]}) 46. Be7 {[%cal Gh6f7]} Ne8 (46... Nf5 47. Nxf5 gxf5 48. Bxc5 Nc6 49.
Ke2 Kg7 50. Kd3 $11) 47. Bxc5 Nc6 48. Nf7+ Kg7 49. Ne5 $11 Nxe5+ 50. fxe5 d3
51. Ke3 Kf7 52. Kxd3 Ke6 53. Ke4 Ng7 1/2-1/2

[Event "DDR-ch 36th"]
[Site "Glauchau"]
[Date "1987.02.11"]
[Round "7"]
[White "Boehnisch, Manfred"]
[Black "Paehtz, Thomas Sr"]
[Result "0-1"]
[ECO "B29"]
[WhiteElo "2305"]
[BlackElo "2415"]
[Annotator "Paehtz,T"]
[PlyCount "40"]
[EventDate "1987.02.05"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "DDR"]
[EventCategory "6"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

{SCHACH 5/1987} 1. e4 c5 2. Nf3 Nf6 {Ab und zu wende ich diesen Zug gern an.}
3. e5 Nd5 4. Nc3 e6 5. Ne4 ({Scharfe Verwicklungen ergeben sich auch nach} 5.
Nxd5 exd5 6. d4 Nc6 7. dxc5 Bxc5 8. Qxd5 d6) 5... Nc6 6. c4 Nb6 7. b3 {Nach
den Erfahrungen dieser Partie sollte man sich doch lieber für den aggressiven
Zug} (7. b4 $1 {entscheiden.}) 7... d5 8. exd6 e5 $1 {Meines Erachtens eine
Neuerung.} ({Polugaevsky gibt nur} 8... Bxd6 $2) ({und} 8... f5 {an.}) 9. Nxc5
$2 {Weiss greift zu und daneben.} ({Unbedingt erforderlich war} 9. d4 $1 {
mit unklarem Spiel.}) 9... Qxd6 $1 10. Ne4 ({Vielleicht besser} 10. Ba3 $6)
10... Qg6 11. d3 $6 (11. Ng3) 11... f5 12. Nc3 $2 (12. Ng3) 12... Bb4 13. Bd2
e4 $1 14. dxe4 fxe4 15. Ng1 {Traurig, aber notwendig.} (15. Qe2 $2 O-O 16. Qxe4
$2 Bxc3) 15... O-O 16. Nge2 Qf6 $1 {Der Todesstreich! [#]} 17. Qc1 (17. Nxe4 $2
Bxd2+ 18. Kxd2 Rd8+) 17... Qxf2+ 18. Kd1 Bg4 19. Kc2 Bxc3 {Mit Figurengewinn}
20. Be3 Nd4+ 0-1

[Event "Paris Apsap op 103rd"]
[Site "Paris"]
[Date "2008.08.10"]
[Round "6"]
[White "Vallejo Pons, Francisco"]
[Black "Shirazi, Kamran"]
[Result "1-0"]
[ECO "B29"]
[WhiteElo "2650"]
[BlackElo "2440"]
[Annotator "Primel,D"]
[PlyCount "129"]
[EventDate "2008.08.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. e5 (3. Nc3 $5 {L'alternative préférée par KHALIFMAN
dans sa monographie 8} d5 4. exd5 Nxd5 5. d4 e6 6. dxc5 $146 {Lilienthal,
A-Tartakower,S Paris 1930 1-0}) 3... Nd5 4. Nc3 (4. c3) (4. b3) 4... Nb4 $5 {
(1h28) La grande spécialité du MI mais c'est un choix assez douteux contre un
fort GMI} (4... e6 $142 {La grande ligne} 5. Nxd5 (5. Bc4 Nb6) 5... exd5 6. d4
{la ligne critique et le gambit donne des positions trés compliquées} Nc6 {
[%csl Rd5]} 7. dxc5 Bxc5 8. Qxd5 Qb6 $1 {[%csl Rf2] Cette idée de LARSEN a
relancé le gambit des noirs.} 9. Bc4 {[%csl Rf2,Rf7][%cal Gd5f7,Gc5f2]} Bxf2+
10. Ke2 O-O $13 {Boulard,E (2160)-Schall,A (2280) FRA-ch 57th Schiltigheim
1982 (5.5) 0-1}) 5. Ne4 {Il est intéressant de voir ce qu'avait préparé comme
amélioration le GMI sur la partie jouée а Issy en 2006} (5. d4 $6 {Marzolf,B 
(2235)-Shirazi,K (2405) Metz op 24th 2006 (4) 0-1}) (5. a3 $1 {la ligne
critique sur laquelle, le MI a été sévèrement battu а Issy, il y a quelques
mois.} N4c6 {le N a joué 4 fois en 5 coups!} 6. Bc4 Nd4 $6 (6... e6 $142 {
préféré par Olexa le créateur de la variante Nb4} 7. O-O {Hajek,M-Olexa,V
CSR-ch sf  Zvolen 1963 (8.7) 0-1}) 7. d3 $14 {Demarre,J (2163)-Shirazi,K (2448)
Syre mem op 31th 2008 (2.4) 1-0}) (5. Bc4 N4c6 $6 {Halberstadt,V-Raizman,M
Paris Ch 1934 1-0}) 5... b6 6. Bc4 $5 $146 {[%csl Rf7] (1h28)} (6. c3 {
Lamorelle,J (2222)-Shirazi,K (2405) Syre mem op 29th 2006 (6) 0-1}) 6... f5 $6
{Un coup typique du style de SHIRAZI, il avait notamment joué une partie
d'anthologie а Cappelle en jouant avec les noirs 1.e4e5 2.f4 f5?!} (6... Bb7 7.
d3 $14) 7. Ng3 $5 {[%csl Rg3] (1h03)} (7. Nfg5 $142 $1 {Le GMI a dépensé prés
d'une 1/2 h sur cette position compliquée,probablement а calculer
l'alternative Nfg5 qui donnait une bonne initiative aux blancs en profitant de
l'affaiblissement de la case "f7". Nfg5 est intrinséquement meilleur que Ng3
mais devant l'échiquier et ... sans Rykba, Ng3 est nettement plus raisonnable!}
d5 (7... fxe4 $4 8. Bf7#) (7... Qc7 {[%cal Ge8d8] Donne une case de fuite pour
le K mais les noirs ont un gros retard de développement.} 8. Qh5+ g6 9. Bf7+
Kd8 10. Bxg6 $40 Bb7 (10... fxe4 11. Nf7+) (10... Nxc2+ 11. Kd1 Bb7 (11... Nxa1
12. Nf7+ Ke8 13. Nxh8+) 12. Bxf5 Nxa1 13. e6 $1 Bc6 (13... Nc6 14. exd7) 14.
exd7 Bxd7 15. Nf7+ Kc8 16. Nxh8 $16)) (7... e6 8. Nf6+ $1 {[%cal Gd1h5]} Ke7 (
8... gxf6 9. Qh5+) 9. Nfxh7 $40) 8. exd6 e6 {[%cal Gf5e4,Gf8d6]} (8... exd6 9.
Nf7 Qh4 (9... Qe7 $2 10. Nfxd6+) 10. O-O $1 d5 {[%csl Rc4,Re4][%cal Gd5f4,
Gd5c4,Ge8f7] les blancs ont 3 pièces en prise!} 11. Nxh8 dxc4 12. Nc3 Bd6 13.
Re1+ Kf8 14. h3 N8c6 15. a3 Na6 16. Qf3 Bd7 17. Qd5 $40 {[%cal Gd5d6,Gd5f7]})
9. d4 $1 (9. Bb5+) 9... fxe4 (9... cxd4 10. a3 N4c6 11. Bxe6 $1 fxe4 12. Qh5+
g6 13. Qg4 Ne5 14. Qxe4 $40 {[%csl Re5][%cal Ge4e8,Ge4a8]}) 10. dxc5 (10. a3)
10... bxc5 11. Nxe4 Bb7 12. Qh5+ (12. Bb5+ Bc6 13. Qh5+ g6 14. Qe5 Kd7 15. Bg5
Qc8 16. Nxc5+) 12... g6 13. Qe5 $40 (13. Bb5+)) (7. exf6 $143 $6 exf6 8. a3 d5)
7... e6 (7... g6 $6 {trop lent} 8. Nxf5 gxf5 9. Ng5 {[%csl Rh5]} d5 10. e6 $1 (
10. Qh5+) 10... h5 (10... dxc4 11. Qh5#) 11. Be2 Bg7 12. Bxh5+ (12. c3 N4c6 13.
Bxh5+ Kf8 14. Qf3 $13 {[%csl Rf5]}) 12... Kf8) 8. c3 {(1h01)} (8. O-O $5 {
Semble un peu meilleur} Ba6 9. Bxa6 N8xa6 {[%csl Ra6,Rb4]} (9... N4xa6 10. d4
$32 {[%csl Ra6,Rb8,Re8]} Nc6 (10... cxd4 11. Nxd4 Nc6 (11... Be7 12. Qf3 {
[%csl Ra8]})) 11. d5 $36) 10. d4 $1 $36 {Il faut bien entendu ouvrir le jeu
pour profiter de l'avance de développement et la position des deux N noirs
n'inspire pas confiance.} cxd4 11. Nxd4 (11. Bg5 Be7 12. Bxe7 Qxe7 13. Nxd4 O-O
$132 {[%cal Ga6c5]}) (11. a3 Nc6 12. b4 {[%cal Gb4b5]} Nc7 13. Bb2 $14) 11...
Rc8 {[%cal Gb4c6]} 12. c3 (12. Ngxf5 $143 exf5 13. Nxf5 Nxc2 14. Nxg7+ $1 Bxg7
15. Qh5+ Kf8 16. Qf3+ Kg8 17. Qd5+ {ne donne qu'un échec perpétuel}) (12. Qe2 {
[%cal Ge2a6,Ga2a3]} Nc5 13. a3 Nc6) (12. Nh5 $6 Qh4 $1 $13) 12... Nc6 13. Nxc6
Rxc6 14. Qe2 Nc5) (8. d4 cxd4 9. O-O (9. Nxd4 Qc7 $13 {[%cal Gc7c4]}) (9. Bg5
$6 Be7 (9... Qc7 $1 10. Bb3 Ba6 {[%csl Re1]}) 10. a3) 9... Qc7 10. Bb3 Ba6 $132
) (8. Bb3 $1 {Peut-être la meilleure option des blancs qui évitent l'échange
du B de cases blanches tout en gardant l'avantage d'espace} Ba6 (8... Be7 9. d3
(9. a3 N4c6 (9... N4a6 10. d4) 10. d4 cxd4 11. O-O O-O (11... Ba6 12. Re1) 12.
Re1 d6) (9. d4 Ba6 {[%csl Ga6,Re1][%cal Ga6f1]} 10. a3 c4 11. axb4 cxb3 12. c3
{[%cal Gd1b3]} Bc4 13. Nd2 Qc8 14. Nxc4 Qxc4 15. Nf1 {[%cal Gf1e3]} (15. Qe2)
15... O-O (15... Nc6 $2 16. Ne3) 16. Ne3 Qb5 17. Qxb3 $16 (17. f4))) (8... h5
$6 {[%csl Rg3][%cal Gh5h4]} 9. h4 $1 {[%csl Gg5][%cal Gd2d3,Gc1g5]} Bb7 10. a3
$1 (10. d3 $143 $6 Bxf3 $1 11. Qxf3 N8c6 {[%cal Gc6d4]} 12. Nxh5 (12. Bg5 Nd4))
10... N4a6 {[%csl Rb8]} (10... N4c6 {[%csl Rb8]} 11. c3 {[%cal Gd2d4]} Na5 12.
Bc2 Bxf3 13. Qxf3 Nbc6 14. b4 Nc4 15. Qe2 {[%cal Gd2d3]} b5 16. a4 $16) 11. c3
Nc7 12. d4 $16 {[%csl Rb8]}) 9. d3 $14 {[%csl Ra6,Rb4,Rb8]}) 8... Ba6 $1 {
La position noire est étonnament solide notamment parce que le Ng3 est assez
mal placé} 9. Bxa6 {(55)} N4xa6 10. d4 {(53mns)} (10. O-O) 10... cxd4 11. Nxd4
{(52mns)} Be7 $6 {Donne l'occasion au Ng3 de se ranimer.} (11... Nc6 $142 {
[%cal Gc6d4,Gc6e5]} 12. Nxc6 dxc6 13. Qe2 Nc5 14. O-O Qd3 $1) 12. Qh5+ $36 (12.
Ngxf5 $1 exf5 13. Nxf5 {[%cal Gf5g7,Gd1h5,Gd1d5]} O-O (13... g6 $2 14. Bh6 $3
$40) 14. Qd5+ {[%cal Gd5a8,Gd5g8]} Kh8 15. Nh6 $1 (15. Qxa8 $143 Rxf5) 15...
gxh6 16. Qxa8 $16) 12... g6 13. Qf3 (13. Qe2 {[%cal Ge2a6]}) 13... Nc6 14. Nxe6
dxe6 15. Qxc6+ Kf7 16. Be3 (16. O-O Rc8 17. Qb5 Nc5) 16... Qd3 {[%csl Re1]} 17.
Ne2 {[%cal Ga1d1] (30mns)} Nc5 (17... Rad8) 18. Bxc5 bxc5 (18... Qc4 $5 {
[%cal Gc4c6]}) 19. Qxe6+ $1 {Spectaculaire mais Rd1 était également bon et
même meilleur pour garder la pression sur le K noir.} (19. Rd1 $142 $16 Rac8 (
19... Qc4 20. b3 Qg4 21. Rd7 Rad8 22. h3 {[%csl Rg4]}) 20. Qa4 $40 {[%csl Rd3]
[%cal Gd1d7]}) 19... Kxe6 20. Nf4+ Kxe5 21. Nxd3+ Kf6 22. O-O-O $16 {[%csl Rc5]
Les blancs ont des trés bonnes chances de gain mais il y a encore beaucoup de
travail pour valoriser le P de plus.} c4 23. Nf4 {[%cal Gf4d5,Gd5e7,Gd5f6]} (
23. Nb4 Bc5 24. Nd5+ Kf7 25. Rhe1 $1 $32 Rhe8 (25... Bxf2 $2 26. Re7+) 26. f4
Rxe1 27. Rxe1 Rd8 28. Rd1 (28. Ne3 Re8 29. Kd2 Rd8+) 28... Re8 29. b4 $1 Bd6
30. g3 Re2 31. Rd2 Re1+ 32. Kb2 h5 {[%cal Gh5h4]}) 23... Bc5 $1 24. Nd5+ (24.
Rhe1 Rhe8 25. Nd5+ Kf7 26. f4) 24... Kg5 25. Nc7 (25. f4+ Kg4 $6 (25... Kh4
$142) 26. b4 cxb3 27. axb3 Rhd8 28. Rd3) 25... Rac8 26. Ne6+ Kh6 27. Nxc5 {
La première partie du plan est atteinte avec l'élimination du B qui dominait
le N et donnait quelques chances de contre-jeu} Rxc5 28. Rhe1 {(19mns)} (28.
Rd4 Re8 29. Rhd1 (29. Rh4+) 29... Re2 30. R1d2 Re7 31. Kc2) 28... Rc7 29. Rd5 {
"Ne pas se presser en finale" comme le préconisait CHERECHEVSKY, les blancs
vont commencer une série de manoeuvre pour améliorer la position des R et
fatiguer la défence.} Rb8 30. Ree5 Rbb7 31. Re2 Rc8 32. Rde5 Rcc7 33. Kc2 {
(13mns)} Kg5 34. b4 $1 cxb3+ 35. axb3 {[%csl Gc3]} Kf6 36. Re6+ (36. c4) 36...
Kf7 37. c4 Rb8 38. Ra6 {[%csl Ra7] il ne restait plus que 11 secondes pour
passer le contrôle de temps!} Rcb7 39. Re3 Rd8 40. g3 {Le contrôle de temps
est passé et le GMI dispose de 20 mns en phase KO} Kg7 41. Re2 (41. c5) 41...
Kh6 $6 42. f4 {[%csl Gg5] (12mns)} (42. Kc3 $142 Kg5 43. c5 Rdb8 44. Rb2 $1)
42... Kh5 43. Rae6 Rdd7 44. h3 $1 {[%csl Rh5][%cal Ge2e5,Gg3g4]} Kh6 45. R2e5 {
[%cal Ge5f5,Ge6h6]} (45. Kc3 {[%cal Gb3b4]}) 45... Kg7 46. Rd5 {Avec des P sur
les deux ailes et des P faibles, les blancs ont normalement intérêt а échanger
une R} (46. c5 {[%cal Gc5c6]}) 46... Rdc7 (46... Rxd5 47. cxd5 Rb5 48. Re7+ Kf6
49. Re5 {[%cal Gc2c3,Gc3c4]} Kf7 50. Kc3 a5 {[%csl Rb4]} 51. d6 $1) 47. Kc3 {
la partie s'est terminée en zeitnot en phase ko et les deux feuilles de
parties étaient difficiles а déchiffrer.} Kf7 48. Red6 {[%cal Gc4c5]} Ke7 49.
Ra6 (49. c5 $2 Rxc5+) 49... Kf7 50. b4 $18 {le gain technique est maintenant
facile а réaliser car la majorité blanche ne peut être stoppée.} Re7 51. Re5
Red7 52. Ra1 Rd8 53. Rea5 Rdd7 54. Re5 Rd8 55. c5 Rbd7 56. c6 Rc7 57. b5 Kf6
58. h4 Rd6 59. Re2 Kf7 60. Rea2 Rdd7 61. Rxa7 $3 {La partie était gagnante
mais la pointe finale est jolie!} Rxa7 62. cxd7 Rxd7 63. b6 Kf6 64. Kc4 Rd8 65.
b7 1-0

[Event "Paris"]
[Site "Paris"]
[Date "1930.??.??"]
[Round "4"]
[White "Lilienthal, Andor"]
[Black "Tartakower, Saviely"]
[Result "1-0"]
[ECO "B29"]
[Annotator "Primel,D"]
[PlyCount "83"]
[EventDate "1930.??.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "FRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 {Cette partie était présente dans la megadatabase 2008 ... mais sans les
coups.} c5 2. Nf3 Nf6 $5 {Cette variante Rubinstein-Nimzovitch était populaire
au début du 20ème siècle avant de connaitre une longue éclipse jusqu'aux
années 70.} 3. Nc3 (3. e5 Nd5 4. Nc3 $5) 3... d5 4. exd5 Nxd5 5. d4 (5. Bb5+ $5
Bd7 6. Ne5 (6. Qe2)) 5... e6 (5... Nxc3 6. bxc3 g6 $1 (6... e6 $143 {Jouable
mais assez passif}) 7. Bb5+ Bd7 8. Bxd7+ Nxd7 9. O-O Bg7 10. Re1 O-O 11. Bg5
Re8 12. Rb1 b6 13. Qd3 $14) 6. dxc5 $5 $146 {Curieusement cette nouveauté ne
semble avoir été rejouée dans aucune autre partie. A priori, dc5 semble faible
car la structure blanche est trés affaiblie après l'échange Nc3 mais les
blancs veulent jouer de manière dynamique. La conception blanche est trés
moderne!} (6. Nxd5 Qxd5 7. Be3 cxd4 8. Qxd4 $1 {[%csl Rc8,Ge5] L'échange des Q
donne un millieu de jeu favorable aux blancs} Qxd4 9. Bxd4 $1 (9. Nxd4 $143 $6
a6 {[%cal Ge6e5]} 10. O-O-O {Perlis,J-Nimzowitsch,A Karlsbad 1911 (22) 0-1})
9... Nc6 10. Bb5 $32 {[%cal Ge1c1]}) 6... Nxc3 7. Qxd8+ Kxd8 8. bxc3 Bxc5 9.
Bf4 Nc6 (9... Ke7) 10. Rd1+ Ke7 11. Bb5 f6 12. O-O e5 13. Rfe1 {[%cal Ge1e7]
Le russe (il n' a été naturalisé hongrois que bien plus tard) joue de manière
trés active} Kf7 14. Bc4+ $1 {les blancs doivent garder la pression sinon les
échanges de pièces donneraient une bonne finale aux noirs.} Kf8 (14... Be6 $2
15. Rd7+ {[%cal Gd7b7]} Be7 16. Bxe6+ Kxe6 17. Rxb7) (14... Kg6 15. Bd3+ Kf7
16. Bc4+ {Forçant la nulle}) 15. Bxe5 $3 fxe5 (15... Nxe5 16. Rd8+) 16. Nxe5
$40 {[%cal Ge5f7,Gf7h8]} Bf5 $2 (16... Be7 $5 {semblait plus solide} 17. Nf7
Rg8 18. Nd6 Bxd6 19. Rxd6 Rh8 20. Re4 {[%cal Ge4f4]}) 17. Rd5 $1 {[%cal Gd5c5,
Gd5f5,Ge5c6]} Be7 18. Nxc6 bxc6 19. Rxf5+ Bf6 20. g4 {[%cal Gg4g5]} Re8 21.
Rxe8+ Kxe8 22. Ra5 Ke7 23. Rxa7+ Kd6 24. Rf7 (24. f4 $142 Bxc3 25. Kg2 Re8 26.
Bd3 h6) 24... Bxc3 25. Bd3 Ra8 26. Bxh7 Rxa2 27. Kg2 Ra4 28. f3 {[%cal Gh7e4]}
(28. h3) 28... g5 {[%csl Rf4,Rh4]} 29. Be4 Be5 30. Rf5 Rd4 (30... Bf4 $2 31. h4
$1) 31. Bd3 Bf4 32. h3 c5 33. Rf6+ Kd5 $2 (33... Ke5 $142) 34. h4 c4 (34...
gxh4 $2 35. Be4+ Ke5 36. Rf5+) 35. Be4+ Kc5 36. hxg5 Rd2+ 37. Kf1 Bh2 38. g6
Kd4 39. g7 Ke3 40. g8=Q Rf2+ 41. Ke1 Rg2 42. Qg5+ {[%mdl 520]} 1-0

[Event "Olympiad-41"]
[Site "Tromsoe"]
[Date "2014.08.14"]
[Round "11.1"]
[White "Shirov, Alexei"]
[Black "Markos, Jan"]
[Result "1-0"]
[ECO "B29"]
[WhiteElo "2709"]
[BlackElo "2602"]
[Annotator "Roiz,M"]
[PlyCount "73"]
[EventDate "2014.08.02"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "NOR"]
[SourceTitle "CBM 162"]
[Source "ChessBase"]
[SourceDate "2014.09.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.09.17"]
[SourceQuality "1"]
[WhiteTeam "Latvia"]
[BlackTeam "Slovakia"]
[WhiteTeamCountry "LAT"]
[BlackTeamCountry "SVK"]

1. e4 c5 2. Nf3 Nf6 {This conitunation is a rare guest on the top level.} 3. e5
Nd5 4. Nc3 {The most principled response.} e6 (4... Nxc3 5. dxc3 {is the
favourite line of GM Ipatov.}) 5. Nxd5 (5. Bc4 {didn't promise much:} Nb6 6. d3
d5 7. exd6 Bxd6 $11) ({After} 5. d4 Nc6 {White has nothing better than} 6. Nxd5
exd5 {transposing to the text.}) 5... exd5 6. d4 Nc6 {This move is connected
with a temporary pawn sacrifice.} (6... d6 {can hardly be recommended, as after
} 7. Bb5+ Nc6 8. O-O Be7 9. exd6 (9. c4 $5) 9... Qxd6 10. dxc5 Qxc5 11. Bd3 $14
{White has a risk-free advantage.}) 7. dxc5 {Alexei accepts the challenge.} (7.
c3 cxd4 8. Nxd4 (8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 d6 $11) 8... d6 (8... Nxe5
9. Bf4 d6 10. Bb5+ Bd7 11. Qb3 $36 {1-0 Korneev,O (2649)-Recuero Guerra,D 
(2315)/Dos Hermanas 2006/CBM 111 ext (46)}) 9. Bb5 Bd7 10. exd6 Bxd6 11. O-O
O-O {Black is close to equality.}) (7. Be2 {is harmless:} d6 8. exd6 Bxd6 9. c3
O-O 10. O-O Bf5 $11 {0-1 Yemelin,V (2562)-Naiditsch,A (2638)/Moscow 2008/CBM
122 Extra (89)}) 7... Bxc5 8. Qxd5 (8. c3 d6 9. b4 $6 Bb6 10. Qxd5 O-O 11. Bg5
Qe8 12. Qxd6 Bg4 $36) 8... Qb6 ({Black fails to prove a reasonable
compensation after} 8... d6 9. exd6 (9. Bc4 {as in Becerra Rivero,J (2557)
-Nakamura,H (2710)/ICC INT 2009/EXT 2010 (12)} {leads only to equality after}
Be6 10. Qd3 Nb4 11. Bb5+ Kf8 12. Qe2 Nxc2+ 13. Qxc2 Qa5+ 14. Bd2 Qxb5 15. a4
Qb3 $11) 9... Qb6 10. Qe4+ Be6 11. Qh4 Bxd6 12. Bd3 $14) 9. Bc4 {The only way
to fight for an advantage. Now both kings are in danger, but White's forces
are better mobilised.} (9. Qd2 O-O 10. Bd3 d6 11. O-O Nxe5 12. Nxe5 dxe5 $11)
9... Bxf2+ 10. Ke2 O-O {Black has managed to castle, but it hasn't solved the
problem...} 11. Rf1 Bc5 12. Ng5 $1 {Of course, Alexei goes for the most
aggressive way. In my opinion, this is a critical position for a whole
theoretical line.} (12. c3 d6 13. b4 Bxb4 14. cxb4 Be6 15. Qb5 Nd4+ 16. Nxd4
Qxd4 17. Bxe6 fxe6 18. Be3 Qg4+ $132) 12... Nxe5 {GM Markos decides to
liquadate into an inferior endgame.} ({The real test for White's agressive
setup would be} 12... Nd4+ $5 13. Kd1 Ne6 14. Ne4 d6 $1 15. exd6 Rd8 16. Bd3
Bxd6 17. Qh5 (17. Nxd6 Rxd6 18. Qf5 Rxd3+ 19. cxd3 Nd8 20. Qf4 Be6 $44) 17...
Bc7 18. Qxf7+ Kh8 {In the subsequent position Black has some compensation for
the pawn, but White is somewhat better.}) 13. Nxf7 $1 ({Correctly avoiding} 13.
Qxe5 d5 {when Black gets a powerful initiative:} 14. Bxd5 (14. Qxd5 Bg4+ 15.
Rf3 Rad8 16. Qe4 Bxf3+ 17. Kxf3 g6 $132) 14... Bg4+ 15. Kd3 Rfe8 $1 (15... Rad8
$2 16. Rxf7 Rxf7 17. Nxf7 $18 {1-0 Kaidanov,G (2605)-Kreitner,I/Chicago 1995/
EXT 2010 (22)}) 16. Nxf7 (16. Bxf7+ $2 Kh8 17. Bxe8 Rd8+ $19) 16... Rxe5 17.
Nh6+ Kh8 18. Nf7+ Kg8 $11) 13... Nxf7 14. Rxf7 Qe6+ 15. Qxe6 dxe6 16. Rxf8+
Kxf8 {White has a stable edge due to a preferable pawn structure and
difficulties with the development of the Bc8. However, Black's position should
be tenable.} 17. Bg5 (17. Bf4 $5 Bd4 18. Rf1 Bf6 19. Bd3 Kg8 20. Be4 $14 {
1-0 Danin,A (2602)-Smirnov,A (2418)/Tallinn EST 2014 (49)}) 17... Bd7 18. Rf1+
Ke8 {The king should be closer to the centre.} (18... Kg8 19. Rd1 Bc6 20. Bxe6+
Kh8 21. g3 $16) 19. Bd3 g6 $2 $146 {This inaccurate move is the main cause of
Jan's troubles.} ({Black should have tried to avoid any weakening movements on
the kingside:} 19... Be7 $1 20. h4 Rc8 $1 (20... Bxg5 $6 21. hxg5 Rc8 22. g6
hxg6 23. Bxg6+ Kd8 24. Rf8+ Kc7 25. Rf7 $16 {1-0 Hammer,J (2636)-Tomczak,J 
(2509)/Chotowa 2010/CBM 137 Extra (73)}) 21. Bxe7 (21. Bxh7 Bb5+) 21... Kxe7
22. Ke3 h6 $14) 20. Rf4 $1 {That is the point! The pawns are very vulnerable
now, and Black cannot avoid a loss of material.} Be7 {Black has to exchange
one pair of bishops in order to activate the pieces.} 21. Bxe7 Kxe7 22. Rh4 Bc6
(22... h5 23. Bxg6 Rg8 24. Be4 $18) 23. Rxh7+ Kf6 {Black keeps some practical
drawish chances due to the activity of his pieces, but the position should be
winning from a technical point of view.} 24. g4 (24. g3 $5 {also deserved
serious attention}) 24... Kg5 $6 ({It was possible to provide much more
resistance by means of} 24... g5 25. Ke3 Rf8 $16) 25. Ke3 Kxg4 26. Bxg6 {
White is ready to enter into a rook ending now.} Rf8 (26... e5 27. Bd3 Rf8 28.
Rg7+ Kh3 29. Be4 $18) 27. Be4 $1 Bxe4 28. Kxe4 Rf4+ (28... b5 29. Rg7+ Kh3 30.
Rxa7 $18) 29. Ke5 Rf2 30. Rg7+ Kh3 {Now the king is out of play, so White wins
easily.} 31. Kxe6 Rxc2 32. Rxb7 Kxh2 ({Or} 32... a5 33. a4 Kxh2 34. Rb5 Kg3 35.
Kd5 Kf3 36. b3 Rb2 37. Kc4 $18) 33. a4 Kg3 34. b4 a5 35. bxa5 (35. b5 {was
also good enough:} Ra2 36. b6 Rxa4 37. Ra7 Rb4 38. b7 a4 39. Kd5 $18) 35... Rc4
36. Kd5 Rxa4 37. Rb5 (37. Rb5 Ra2 38. Kc6 $18) 1-0

[Event "Amsterdam Euwe Memorial"]
[Site "Amsterdam"]
[Date "1996.03.22"]
[Round "1"]
[White "Kramnik, Vladimir"]
[Black "Seirawan, Yasser"]
[Result "1-0"]
[ECO "B29"]
[WhiteElo "2775"]
[BlackElo "2630"]
[Annotator "Romero Holmes"]
[PlyCount "63"]
[EventDate "1996.03.22"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "NED"]
[EventCategory "18"]
[SourceTitle "CBM 052"]
[Source "ChessBase"]
[SourceDate "1996.06.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.06.01"]
[SourceQuality "1"]

1. Nf3 {Kramnik} c5 2. e4 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. Bb5+ Bd7 6. Ne5 Nf6 (
6... Nxc3 7. Qf3 $1) 7. Nxd7 Nbxd7 8. d4 cxd4 {Known was} (8... a6 9. Bxd7+
Nxd7 10. d5 $14) 9. Qxd4 a6 10. Be2 e6 (10... e5 $5 {Kramnik}) 11. Bf4 Bc5 12.
Qd3 O-O 13. O-O (13. Bf3 $5) 13... b5 $2 {A rare move, that makes easy life
for the pair of white bishops, in their pressure against queen side. Besides,
this move weakens black solid structure. I propose} (13... Qe7 $5 14. Bf3 Nb6 {
when black can hold the position, trying to get to d5, and play active.}) 14.
Bf3 Ra7 15. Rad1 Qa5 {After this move, Seirawan loose the exchange in a forced
way, without any compensation. Black problems involves to find a nice place
for the queen. For example:} (15... Qe7 16. a3 e5 17. Bg5 h6 18. Bh4 Qe6 19.
Rfe1 $16 (19. b4 $16)) 16. a3 $1 b4 {[#]} 17. Na2 $1 bxa3 18. b4 Bxb4 (18...
Qa4 $2 19. Rb1 {/\ 20.Nc3+-}) 19. Nxb4 Qxb4 20. Bd6 Qa5 21. Bxf8 Kxf8 22. Ra1
$18 {White will take a3 and the rest of the game is without interest.} Nc5 23.
Qd6+ Re7 24. Rfb1 Ne8 25. Rb8 Nd7 26. Ra8 Qc5 27. Qxc5 Nxc5 28. Bc6 f6 29. Rxa3
Kf7 30. Bxe8+ Rxe8 31. Rxe8 Kxe8 32. Ra5 1-0

[Event "FIDE World Cup"]
[Site "Tbilisi"]
[Date "2017.09.06"]
[Round "2.1"]
[White "Vachier Lagrave, Maxime"]
[Black "Grachev, Boris V"]
[Result "1-0"]
[ECO "B29"]
[WhiteElo "2804"]
[BlackElo "2654"]
[Annotator "Szabo,Kr"]
[PlyCount "79"]
[EventDate "2017.09.03"]
[EventType "k.o."]
[EventRounds "7"]
[EventCountry "GEO"]
[SourceTitle "CBM 181"]
[Source "ChessBase"]
[SourceDate "2017.11.10"]
[SourceVersion "1"]
[SourceVersionDate "2017.11.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 (3. e5 {is the other main line.}) 3... d5 4. e5 ({
Last year Vachier played} 4. exd5 Nxd5 5. Bc4 Nb6 6. Bb5+ Bd7 7. a4 e6 8. O-O
Be7 9. d3 O-O 10. Re1 a6 11. Bxd7 N6xd7 12. Ne4 Nc6 13. c3 Rc8 14. Bf4 Nf6 $11
{(Vachier Lagrave-Grandelius, Stavanger 2016) with a balanced position; later
White managed to win.}) 4... Nfd7 5. e6 {A tempting move, but I'm not sure
that this is so good.} (5. Nxd5 {is the most common variation.}) 5... fxe6 6.
Bb5 Nc6 (6... a6 $5 {was an interesting alternative,} 7. Bxd7+ Bxd7 8. O-O (8.
Ne5 g6 9. Qf3 Qc7 10. Qf7+ Kd8 $17 {and Black is safe, he is a pawn up.}) 8...
Nc6 9. d4 cxd4 10. Nxd4 g6 {and it is not clear whether has White compensation
for the pawn.}) 7. O-O g6 8. Qe2 Bg7 9. Qxe6 Nb6 $2 {This is a mistake. Black
sacrifices the c6- and c5-pawns; he hopes that he will have some compensation
with the bishop pair.} (9... Nde5 $1 {was correct,} 10. Qxd5 Qxd5 11. Nxd5
Nxf3+ 12. gxf3 Kf7 $44 {and Black's pieces are active, he has enough
compensation for the pawn.}) 10. Bxc6+ bxc6 11. Qxc6+ Bd7 12. Qxc5 {White
accepts the offer.} d4 ({In the event of} 12... Rc8 13. Qe3 O-O 14. h3 $5 {
Black has some pressure, but White should be slightly better with the two
pawns up.} (14. d4 $14)) 13. Ne4 ({The greedy} 13. Nxd4 $2 {could have been
met by} Rc8 14. Qb4 Rc4 $15 {and Black wins the knight.}) 13... Rc8 14. Qa3 O-O
(14... Rxc2 {gets back a pawn, but} 15. d3 $16 O-O $2 {does not work, as after}
16. Qb3+ $18 {the c2-rook is lost.}) 15. d3 h6 (15... Rxf3 $5 {was tempting,
but} 16. gxf3 Nd5 17. Re1 $16 {and it is not easy to continue the attack for
Black.}) 16. Re1 Kh7 17. c4 $1 {A good move, which solves the weakness of the
c2-pawn.} dxc3 18. Nxc3 Bc6 19. Qxe7 ({Probably} 19. Rxe7 $1 {was the
strongest, but the text move is the human reply - to exchange the queens.} Bxf3
20. Qxa7 $1 Qxe7 21. Qxe7 Rce8 22. Qxe8 Rxe8 23. Be3 $18 {and finally White is
winning.}) 19... Bxf3 20. gxf3 Rc7 $6 {A dubious reply.} (20... Rxf3 {was more
accurate,} 21. Qxd8 Rxd8 22. Re7 $14 {also slightly better for White, but
still this is a long fight.}) 21. Qxd8 Rxd8 22. Bf4 Rf7 23. Be3 Bxc3 (23...
Rxd3 24. Red1 $16 {with a clearly better position for White.}) 24. bxc3 Rxd3
25. Bd4 Nd5 (25... Rdxf3 26. Re8 Rf8 27. Rae1 $16 {is also unpleasant for
Black.}) 26. Rad1 Rdxf3 27. c4 Nb4 28. Rd2 (28. Re8 $16 {was also fine.}) 28...
R3f4 29. Re8 g5 ({In the event of} 29... Rf8 30. Rxf8 Rxf8 31. Bc3 $18 {
is also hopeless for Black.}) 30. Be5 $1 {This is the strongest reaction!} Rg4+
(30... Rxc4 31. Rd6 $1 $18 {and the black king is in a mating net.}) 31. Kf1
Nc6 (31... Rxc4 {is the same as in the previous analysis,} 32. Rd6 $1 $18 {
followed by Rh8 mate.}) 32. Bb2 $1 {The best square for the B.} (32. Ba1 $2 {
could have been met by} Rxc4 33. Rd6 $2 Rc1+ {.}) 32... Rgf4 (32... Rxc4 33.
Rd6 $1 $18) 33. Rh8+ Kg6 34. Rd6+ Kf5 (34... Kh5 {is also losing, because} 35.
Rhxh6+ Kg4 36. h3+ $1 Kf3 37. Rd3+ Ke4 38. Re3+ Kf5 39. Rxc6 $18 {and finish.})
35. Rxc6 Kg4 36. h3+ $1 {A nice intermediate move.} Kxh3 37. Rhxh6+ Kg4 38.
Rhf6 Rb7 39. Be5 Kf3 40. Bxf4 (40. Bxf4 Rb1+ 41. Bc1+ $18 {and check! Great
technique by Vachier Lagrave!}) 1-0

