[Event "Hoogovens"]
[Site "Wijk aan Zee"]
[Date "1977.01.16"]
[Round "3"]
[White "Sosonko, Gennadi"]
[Black "Ligterink, Gert"]
[Result "1-0"]
[ECO "A63"]
[WhiteElo "2530"]
[BlackElo "2430"]
[Annotator "Bulletin"]
[PlyCount "83"]
[EventDate "1977.01.14"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "11"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3
O-O 9. O-O a6 10. a4 Nbd7 11. e4 Re8 12. Re1 c4 13. Qe2 Qc7 14. Bf4 Ng4 $1 15.
Bf1 Qc5 $2 (15... Nde5 16. Bxe5 Nxe5 17. Nxe5 Bxe5 18. Qxc4 Qxc4 19. Bxc4 Bd7)
16. Nd2 $1 Nde5 17. h3 Nd3 18. hxg4 Bxg4 19. Qe3 $6 (19. Qxg4 Qxf2+ 20. Kh1
Nxe1) 19... Bd4 20. Bxd3 Bxe3 21. Bxe3 Qb4 22. Nxc4 b5 23. Na2 Qb3 24. Nc1 Qb4
25. Bd2 Qc5 26. Nb3 Qc7 27. Ne3 Bd7 (27... Bf3 28. Nd4 Bxe4 29. Ng4 Bxd3 30.
Nf6+) 28. Nd4 Qb6 29. Ndc2 (29. Nc6 $6 Bxc6 30. dxc6 Qd4) 29... bxa4 30. Nc4
Qb8 31. Bf4 Bb5 32. Bxd6 Qd8 33. Ba3 Bxc4 34. Bxc4 Rc8 35. Bd3 h5 36. Ne3 h4
37. d6 hxg3 38. fxg3 Rb8 39. Nd5 Qg5 40. Kg2 (40. Re3) 40... Qd2+ 41. Be2 Kg7
42. Rad1 1-0

[Event "World Cup"]
[Site "Khanty-Mansiysk"]
[Date "2007.12.05"]
[Round "4.4"]
[White "Bareev, Evgeny"]
[Black "Alekseev, Evgeny V"]
[Result "0-1"]
[ECO "A63"]
[WhiteElo "2653"]
[BlackElo "2716"]
[Annotator "CB"]
[PlyCount "82"]
[EventDate "2007.11.24"]
[EventType "k.o."]
[EventRounds "7"]
[EventCountry "RUS"]
[SourceTitle "CBM 122"]
[Source "ChessBase"]
[SourceDate "2008.01.30"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.30"]
[SourceQuality "1"]

{As it often happens, in the must-win situation it is easily to cross the
limit.} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Nf3 Bg7
8. Bg2 O-O 9. O-O Nbd7 10. a4 a6 11. Nd2 Nh5 12. Nce4 Ndf6 13. Nxf6+ Qxf6 14.
Nc4 Rb8 15. Nb6 Qd8 16. a5 Bd7 17. Bg5 f6 18. Bd2 f5 19. Rb1 Bb5 20. b4 cxb4
21. Rxb4 Qe7 22. Re1 Rbe8 23. Qb3 Nf6 24. Rxb5 axb5 25. Qxb5 Ne4 26. Bxe4 fxe4
27. Be3 h5 28. Rb1 Kh7 29. Qd7 Bh6 30. Bd4 Bg7 31. Bxg7 {Unfortunately for
Bareev, repeating the position with 31.Be3 was not an option for him. However,
the exchange of bishops leave White with the weakness on f2 and hands Black
over the advantage.} (31. Be3 $11) 31... Kxg7 32. Qxe7+ Rxe7 33. Nc4 Ref7 34.
Nxd6 Rxf2 35. Re1 e3 36. Nxb7 h4 37. Nc5 Kh6 38. d6 $2 (38. gxh4 {keeps some
to survive, but that would have made no difference for Bareev anyway.}) 38...
h3 $1 39. Ne4 Rg2+ 40. Kh1 Rxe2 $1 41. Rd1 Ra2 (41... Ra2 42. d7 e2 $19) 0-1

[Event "URS-ch50 Final+"]
[Site "Moscow"]
[Date "1983.04.14"]
[Round "9"]
[White "Razuvaev, Yuri S"]
[Black "Tal, Mihail"]
[Result "1/2-1/2"]
[ECO "A63"]
[WhiteElo "2520"]
[BlackElo "2620"]
[Annotator "ChessBase"]
[PlyCount "57"]
[EventDate "1983.04.03"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "URS"]
[EventCategory "14"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 Bg7 8. Bg2
O-O 9. O-O Re8 10. h3 a6 11. a4 Nbd7 12. Re1 Ne4 13. Nxe4 Rxe4 14. Qc2 Qe7 15.
Bd2 Nf6 16. Nh4 Bd7 17. Bc3 Re8 18. Bxe4 Nxe4 19. Bxg7 Kxg7 20. Ra3 Qg5 21. Rd1
Bxh3 22. Re3 Qg4 23. Kh2 Re5 24. Rxe4 Qxe4 25. Qxe4 Rxe4 26. Kxh3 Rxe2 27. Nf3
Rxb2 28. a5 Kf6 29. Nd2 $11 {Tal withdrew after this round nine} 1/2-1/2

[Event "URS-ch FL56"]
[Site "Simferopol"]
[Date "1988.??.??"]
[Round "?"]
[White "Tukmakov, Vladimir B"]
[Black "Ulybin, Mikhail"]
[Result "1-0"]
[ECO "A63"]
[WhiteElo "2590"]
[BlackElo "2390"]
[Annotator "ChessBase"]
[PlyCount "83"]
[EventDate "1988.11.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[EventCategory "10"]
[SourceTitle "CBM 011"]
[Source "ChessBase"]
[SourceDate "1989.08.01"]
[SourceVersion "1"]
[SourceVersionDate "1989.08.01"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3
O-O 9. O-O a6 10. a4 Nbd7 11. Bf4 Qe7 12. h3 Rb8 13. Rb1 Nh5 14. Bg5 f6 15. Bd2
f5 16. b4 $6 {>= 16.Qc2! /\ b4} cxb4 17. Rxb4 Nc5 $2 (17... Nxg3 $1 18. fxg3
Bxc3 19. Bxc3 Qe3+) 18. Nd4 Bd7 19. Qb1 a5 20. Rc4 Nxa4 $5 21. Ncb5 $1 Bxb5 22.
Qxb5 Nc5 23. Ne6 (23. Bxa5 $2 Nxg3 $1) (23. Qxa5 $2 Bxd4 24. Rxd4 Nb3) 23...
Nxe6 24. dxe6 Nf6 25. Bxa5 Qxe6 26. Rc7 Ne4 27. Rd1 Rf7 28. Rxf7 Qxf7 $6 (28...
Kxf7 $1 29. Bc7 Re8 30. Qxb7 Re7) 29. Bxe4 fxe4 30. Rxd6 Qf5 31. Qb3+ Kh8 32.
Bc3 $1 Rf8 33. Bxg7+ Kxg7 34. Qxb7+ Kh6 35. Qa7 Rf7 36. Qe3+ Kg7 37. Qd4+ Kh6
38. g4 $1 Qf4 39. Re6 Rc7 40. Rxe4 Qg5 41. Re5 Qh4 42. Qd6 1-0

[Event "Porto San Giorgio op 9th"]
[Site "Porto San Giorgio"]
[Date "1997.??.??"]
[Round "9"]
[White "Dautov, Rustem"]
[Black "Cebalo, Miso"]
[Result "1/2-1/2"]
[ECO "A63"]
[WhiteElo "2595"]
[BlackElo "2485"]
[Annotator "Dautov,R"]
[PlyCount "116"]
[EventDate "1997.07.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ITA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 c5 5. d5 d6 6. Nc3 O-O 7. Bg2 e6 8. O-O
exd5 9. cxd5 a6 10. a4 Nbd7 11. Bf4 Qe7 12. h3 Nh5 13. Bg5 f6 14. Bd2 f5 15.
Qc1 Ndf6 {N} (15... Ne5 16. Rb1 Nxf3+ (16... Bd7 $142) 17. Bxf3 Nf6 18. b4 Ne4
19. Nxe4 fxe4 20. Bg2 b6 21. Be3 a5 22. bxc5 bxc5 23. Qc2 Ba6 24. Rb6 $16 {
Gleizerov,E-Mololkin,A/Volgograd 1995}) 16. Bh6 (16. Ng5 $142 $1 {Gleizerov}
Rb8 $5 {/\h6,/\b5} (16... h6 17. Ne6 Bxe6 18. dxe6 Qxe6 19. Bxh6 $1 (19. Bxb7
Rab8 20. Bxa6 (20. Bf3 Kh7 $11) 20... f4 21. Kh2 fxg3+ 22. fxg3 Qe5 $44) 19...
d5 20. Bxg7 Kxg7 21. e3 Rac8 22. Rd1 Rfd8 23. Rd3 $14) 17. Re1 $1 (17. e4 $6
Nxe4 (17... h6 $5 18. Ne6 Bxe6 19. dxe6 Nxe4 $13) 18. Ncxe4 (18. Ngxe4 fxe4 19.
Nxe4 Bxh3 $17) 18... fxe4 19. Re1 Bd4 20. Be3 Bxe3 21. Qxe3 Nf6 22. Nxe4 Nxe4
23. Qxe4 Qf6 $11) 17... h6 (17... b5 18. axb5 axb5 19. e4 Nxe4 20. Ncxe4 fxe4
21. Nxe4 $36) 18. Ne6 Bxe6 19. dxe6 Kh7 20. e4 Qxe6 21. exf5 Qxf5 22. Be3 $44 {
/\g4}) 16... Bd7 17. a5 Rae8 18. Bxg7 Kxg7 19. Ra3 $5 {/\Rb3,Nd2-c4} Bc8 (19...
Ne4 20. Nxe4 (20. Rb3 Bc8 21. Nd2 Nxd2 22. Qxd2 f4 $1 23. g4 Nf6 $36) 20...
fxe4 21. Nd2 Nf6 22. Re3 Nxd5 23. Rxe4 Be6 24. Nc4 Nf6 25. Re3 d5 26. Nb6 $14)
20. Re1 (20. Nd2 $142 $14) 20... Qd8 (20... Ne4 $5 21. e3 (21. Nd2 $2 Nxf2 $1)
(21. Nxe4 $2 fxe4 22. Nd2 Qf6 23. Rf1 e3 $17) 21... Nhf6 22. Nd2 Nxd2 23. Qxd2
$14) 21. Nd2 Nd7 (21... f4 $2 22. g4 $16) 22. Nc4 (22. e3 Ne5 23. Qc2 g5 24. f4
Ng6 25. Ne2 $13) 22... Ne5 23. Nxe5 Rxe5 24. f4 Ree8 25. Nb1 $1 (25. Kh2 Nf6
26. e4 fxe4 27. Nxe4 Nxe4 28. Rxe4 Rxe4 29. Bxe4 Re8 30. Bg2 Qf6 $132) 25...
Nf6 (25... g5 $2 26. fxg5 f4 27. g4 Ng3 28. e4 $1 Re5 (28... Qxg5 $4 29. Rxg3)
29. Nd2 Rxg5 30. Nf3 Rg6 31. Qc3+ Kg8 32. e5 $16) 26. Nd2 Bd7 (26... b5 27.
axb6 Qxb6 28. Nc4 Qc7 29. Qc3 Kg8 30. Qa5 Qxa5 31. Rxa5 Rd8 32. b4 cxb4 33. Rb1
$16) 27. Qc3 Kg8 28. b4 cxb4 29. Qxb4 Bb5 30. e3 $14 Rf7 31. Rc1 Rc7 32. Rxc7 (
32. Rac3 $5 Rxc3 33. Qxc3 Qe7 (33... b6 34. axb6 Nh5 35. Kh2 (35. Kf2 Qxb6 36.
Bf3 Ng7 37. Nb3 Bd7 38. Na5 Rc8 39. Nc6 $16) 35... Qxb6 36. Re1 $1 $16 {
/\e4,/\Bf3}) 34. Re1 $14) 32... Qxc7 33. Rc3 Qd8 34. Kh2 (34. Nb3 Ne4 35. Bxe4
Rxe4 36. Nd4 Be8 $132) 34... h5 35. Nf3 (35. e4 fxe4 36. Nxe4 Nxe4 37. Bxe4 Qf6
$132) (35. Bf3 $14) 35... Ne4 (35... Nxd5 $4 36. Qb3 Bc6 37. Nd4 $18) 36. Rc1 (
36. Rc2 Nc5 $1 (36... b6 37. axb6 Qxb6 38. Nd4 Nc5 39. Ne6 $1 Nxe6 40. dxe6
Qxe3 41. Qxd6 $16) 37. Ne5 Nd3 $1 38. Nxd3 Bxd3 39. Rc3 Bb5 $14) 36... b6 (
36... Nc5 37. Ne5 $1 Rxe5 (37... h4 38. Rxc5 dxc5 39. Qxc5 hxg3+ 40. Kxg3 Qf6
41. d6 $16) (37... dxe5 38. Qxc5 $16) 38. fxe5 Nd3 39. Qh4 $1 g5 40. Rc8 $1
Qxc8 41. Qxg5+ Kf8 42. Qxh5 $40) 37. axb6 Qxb6 38. Nd4 $138 Nc5 39. Rc3 {/\Ne6}
(39. Ne6 $2 Nxe6 40. dxe6 Qxe3 41. Rc7 h4 42. gxh4 Rxe6 $17) (39. Qc3 {/\Ne6}
Bd7 (39... Na4 40. Qa1 $16 {/\Ne6}) 40. Nc6 Ne4 $132) 39... Kh7 $1 40. Bf1 $2 (
40. Bf3 {/\g4} Qb8 41. Nc6 $14 (41. g4 hxg4 42. hxg4 Bd7 $11)) 40... Rb8 $11
41. Bxb5 (41. Bg2 Bd7 $11) 41... axb5 42. Ne6 (42. Ra3 Qb7 $1 43. Ne6 (43. Nc6
Ra8 $11) 43... Qxd5 44. Ra7+ Kh6 45. Ng5 Nb7 $1 (45... Rb7 46. Ra8 $40) 46.
Qxd6 $1 Qc4 $1 47. Qd2 b4 48. Qg2 b3 49. Rxb7 Rxb7 50. Qxb7 Qe2+ 51. Kh1 Qf1+
$11) 42... Nxe6 43. dxe6 Re8 44. Qb3 d5 (44... b4 $11) 45. Qxd5 Qxe6 46. Rc7+
Kh6 47. g4 $2 (47. Qxe6 Rxe6 48. Rb7 $11) 47... hxg4 48. Qxe6 (48. Qd4 g3+ $1
$15) 48... Rxe6 49. hxg4 fxg4 50. Rb7 Rxe3 51. Rxb5 Rf3 52. Kg2 Rxf4 53. Kg3
Rf5 54. Rb4 Kh5 55. Rb8 Rf3+ 56. Kg2 Rc3 57. Ra8 Kg5 58. Rb8 Re3 1/2-1/2

[Event "Capablanca Memorial-A"]
[Site "Cuba"]
[Date "1993.??.??"]
[Round "5"]
[White "Hernandez Guerrero, Gilberto Eduardo"]
[Black "Vilela de Acuna, Jose Luis"]
[Result "1/2-1/2"]
[ECO "A63"]
[WhiteElo "2505"]
[BlackElo "2430"]
[Annotator "Ernst,T"]
[PlyCount "169"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[EventCategory "10"]
[SourceTitle "CBM 036"]
[Source "ChessBase"]
[SourceDate "1993.10.01"]
[SourceVersion "1"]
[SourceVersionDate "1993.10.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3
O-O 9. O-O Re8 10. h3 a6 11. a4 Nbd7 12. Re1 Rb8 13. Bf4 Qc7 (13... Qe7 14. e4
Nh5 15. Be3 Ne5 16. Nxe5 Qxe5 17. f4 Qe7 18. Bf2 $16 {Es droht der Durchbruch
e4-e5!}) 14. e4 Nh5 15. Be3 b5 (15... Nhf6 16. Nd2 (16. Qc2 b5 17. axb5 axb5
18. Bf1 b4 19. Nb5 Rxb5 20. Bxb5 Rxe4 21. Ra8 $16 {Der weisse Turm dringt in
die schwarze Stellung ein.}) 16... b5 17. axb5 axb5 18. Bf1 b4 19. Nb5 Qb6 20.
Bf4 $16 {Eine Traumstellung fur Weiss in der moderne Benoniverteidigung.}) (
15... Bxc3 16. bxc3 Rxe4 $44 {Weiss muss beweisen, dass die Schwachung der
Diagonale h8-a1 ihm genugend Kompensation fur die geringe Materialeinbusse
bietet.}) 16. axb5 axb5 17. Bf1 $1 {Die Pointe des weissen Planes, die den
Vorstoss des b-Bauern provoziert, nach- dem Weiss eine positionelle
Gewinnstellung erlangen wurde.} b4 $2 {Nach diesem Fehler bekommt der
Nachziehende bald eine ungeniessbare Stellung, richtig ist nur 17.-Db6.} (17...
Qb6 18. Nd2 (18. Bxb5 Bxc3 19. Bxd7 Bxd7 20. bxc3 Rxe4 $10) (18. Nxb5 $6 Rxe4
19. Nd2 Rb4 20. Nc4 $2 Qxb5 $19) 18... Ba6 19. Ra2 Ra8 20. Qa1 Qb7 21. Ra5 c4
22. Na2 Qc7 23. Nc3 Qb7 24. Na2 $10 {Razuvaev-Arnason/Jurmala/1987/}) 18. Nb5
Qb6 (18... Rxb5 19. Bxb5 Rxe4 20. Qc2 $16 {Weiss hat zwei offene Linien fur
seine Turme, die fur Schwarz gefahrlich werden konnen.}) 19. Nd2 $1 $16 Ne5 20.
Na7 Bd7 21. g4 {Razuvaev hatte dieselbe Stellung schon in seiner Partie gegen
Panchenko, UdssR (ch) 1984 und brauchte nicht viel Bedenkzeit fur die
Eroffnung. Der Text sich- ert Raumvorteil am Konigsflugel vor der forcierten
Abwicklung, die bald folgt.} Nf6 (21... Ra8 $2 22. gxh5 Rxa7 23. Rxa7 Qxa7 24.
f4 $18) 22. g5 Nh5 {Hier steht der Springer sicher, aber er kann nicht an
Operationen am Damenflu- gel teilnehmen.} 23. f4 Ra8 24. fxe5 Rxa7 25. Nc4 Qb8
26. Rxa7 Qxa7 27. Nxd6 Rxe5 28. Qf3 $16 Re7 29. b3 Be5 30. Nc4 Bc3 31. Rd1 {
Weiss hat eine schone Stellung mit gedecktem Freibauern, schwacher schwarzer
Bauer c5. Der Gewinn sollte eigentlich eine Frage der Zeit sein, aber Bernd
Stein verteidigt sich zah.} Re8 32. Bg2 h6 $1 {Das Bauernopfer ist die
Einleitung zu einem starken Gegenspiel. Dabei musste auch der Zug 33.Df2 genau
berechnet werden.} 33. gxh6 (33. Qf2 hxg5 34. Bxc5 Qb8 35. Nd6 Rf8 $13 {
Schwarz ist noch am Leben!}) 33... f5 34. exf5 Bxf5 35. Nd6 Rf8 36. Nxf5 Rxf5
37. Qg4 Kh7 38. Qc4 (38. d6 Nf6 39. Qc4 $16 {Der weisse Freibauer ist eine
Macht.}) 38... Bd4 39. Bxd4 cxd4 40. Qxd4 Qd7 41. Ra1 {Hier wurde die Partie
abgebrochen. Trotz zweier Mehrbauern ist die Gewinnfuhr- ung problematisch
wegen des schlechten Laufers und der schlechten Konigsstell- ung von Weiss.
Der schwarze Konig steht dagegen sicher wegen des Sh5.} (41. Re1 Nf4 42. d6 Rf7
43. Kh2 Nxg2 44. Kxg2 Qf5 $1 $44 {Schwarz hat genugend Gegenspiel.}) 41... Kxh6
{Dieser Zug und die nachsten zwei Zuge sind alle erzwungen. Das schwarze Spiel
hangt auf einem dunnen Haar.} (41... Nf4 $2 42. Ra7 Ne2+ 43. Kh2 Nxd4 44. Rxd7+
Kxh6 45. d6 $16 {Weiss steht klar besser, der Freibauer ist zu gefahrlich.})
42. Ra8 {Droht Matt oder Damengewinn.} (42. Qxb4 $6 Nf4 {Schwarz hat starken
Angriff.}) (42. Ra7 Qd6 43. h4 Rf6 44. Qd2+ Nf4 $44 {Es droht Db6+, der
Freibauer ist zuverlassig blockiert.}) 42... Rf6 43. Qe5 Qd6 $1 44. Qxd6 Rxd6
45. Rc8 (45. Rb8 Nf4 46. Rxb4 Nxg2 47. Kxg2 Rxd5 $14 {Wegen des reduzierten
Materiales ist ein Unentschieden wahrscheinlich.}) 45... Nf4 46. Rc6 Rd8 47. d6
Kg5 {Schwarz behalt den Springer, ein gewagter Entschluss.} (47... Nxg2 48.
Kxg2 Kg5 49. Kf3 Kf5 50. Rc5+ Ke6 51. Rb5 Rxd6 52. Rxb4 {Dieses Turmendspiel
bietet grossere Gewinnchancen als das vorige (Anmerkung zum 45. Zug des
Weissen.), weil sein Konig etwas mehr Raum zum Manovrieren hat.}) 48. Bf1 Kf5
49. Kf2 Ke5 50. Kg3 Ne6 51. Rb6 Rxd6 52. Rxb4 Nd4 $1 {Der zentrale Springer
dominiert das Spiel. Der Entschluss im 47. Zug war also richtig!} 53. Rb8 (53.
Bd3 Nf5+ 54. Bxf5 gxf5 $10) 53... Nf5+ 54. Kf3 {Weiss muss aufpassen, so dass
sein Konig nicht auf die erste Reihe zuruckgedr- angt wird.} Rd1 55. Re8+ Kf6
56. Bc4 Nd4+ 57. Kf2 Rb1 58. Rb8 Ke5 59. Ke3 (59. b4 Nc6 60. Re8+ Kd4 $10)
59... Nf5+ {Die Bewegung des Springers in diesem Endspiel gleicht die eines
Pendels.} (59... Rh1 $4 60. Re8+ $18) 60. Kd3 Rh1 61. Rh8 Nd6 {Ein neues Feld
fur den Springer, er greift den Laufer an und nimmt dem Turm das Feld e8.} 62.
Kc3 (62. b4 $2 Rd1+ $10) 62... g5 {Der Bauer darf wieder nicht vorrucken. 63.
b4?? verliert sogar nach Tc1+. Weiss findet kein gutes Feld fur seinen Laufer.}
63. Kb4 Kd4 64. Be6 Re1 $1 65. Rh6 Re4 66. Bd7 Kd5+ 67. Ka3 Re7 68. Bg4 Nb5+
69. Ka4 Nd4 $1 {Der Springer ist wieder zu d4 zuruckgekehrt, es droht Ta7+,
und 70.b4?? schei- tert an Matt.} 70. Ra6 Re5 {Der Turm deckt den Bauern g5
und kann nicht vom Laufer angegriffen werden. Der Turmtausch bringt auch
keinen Erfolg, wie die folgende Variante zeigt.} 71. Rg6 (71. Ra5+ Kd6 72. Rxe5
Kxe5 73. b4 Kd6 74. Bh5 (74. Ka5 Nc6+ 75. Kb5 Nxb4 $10) 74... Kc7 75. Bg6 Kb6
76. Be4 Ne2 77. Kb3 Nf4 78. Bf5 Nd5 $3 79. Be6 Nxb4 80. Kxb4 Kc6 $10) (71. b4
Re1 72. Ka5 Ra1+ 73. Kb6 Rxa6+ 74. Kxa6 Kc4 75. b5 Nxb5 76. Be2+ Kd4 $10) 71...
Ke4 $1 {Der einzige Zug, Schwarz war namlich in Zugzwang!} (71... Nc2 $2 72. b4
$16) 72. b4 Kd3 {Der Konig schleicht sich an den Freibauern heran, es ist
merkwurdig wie passiv der Laufer steht. Das ist ein Ergebnis der grossartigen
Verteidigung des Hamburger Amateurspielers!} 73. Rg8 Re1 {Droht wieder Matt.}
74. Ka5 Re5+ $1 (74... Ra1+ 75. Kb6 Rb1 76. Kc5 Rc1+ 77. Kd6 Rb1 78. Rxg5 Rxb4
79. h4 $16 {Gegenuber der Partiefortsetzung hat Schwarz viel Zeit verloren.})
75. Ka6 Rb5 76. Bd7 Rxb4 77. Rxg5 Rb2 $10 78. h4 Ke4 79. h5 Rh2 80. Kb6 Kf4 81.
Rd5 Nf3 82. Kc5 Ne5 83. Be8 Kf5 84. Kd6 Kf6 85. Rxe5 (85. Rxe5 Rd2+ 86. Rd5
Rxd5+ 87. Kxd5 Kg7 $10) 1/2-1/2

[Event "EU-chT (Men) 21st"]
[Site "Heraklion"]
[Date "2017.11.01"]
[Round "5.2"]
[White "Kelires, Andreas"]
[Black "Short, Nigel D"]
[Result "1-0"]
[ECO "A63"]
[WhiteElo "2510"]
[BlackElo "2698"]
[Annotator "Fernandez,D"]
[PlyCount "65"]
[EventDate "2017.10.28"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "GRE"]
[SourceTitle "CBM 182"]
[Source "ChessBase"]
[SourceDate "2018.01.17"]
[SourceVersion "1"]
[SourceVersionDate "2018.01.17"]
[SourceQuality "1"]
[WhiteTeam "Greece II"]
[BlackTeam "England"]
[WhiteTeamCountry "GRE"]
[BlackTeamCountry "ENG"]
[WhiteClock "0:03:15"]
[BlackClock "0:02:16"]

{One final messy attack for the road.} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5
5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Nbd7 10. h3 a6 11. a4 Rb8 12.
Bf4 Qc7 13. Rc1 Re8 14. Qd2 b5 15. axb5 axb5 16. b4 Ba6 17. Bh6 Bh8 18. Qf4 Qb6
19. Ng5 Re7 20. Nce4 $5 {Playing 'va banque'.} (20. Rfd1 {and a whole host of
other normal moves were possible, and the position stays level.}) 20... Nxd5
21. Qh4 Bb7 22. Rfd1 (22. Nxh7 $6 {looks good at first glance only.} Re5 23.
Bf3 Kxh7 (23... f5 $5) 24. Nxd6 Bf6 $15) 22... Rbe8 (22... cxb4 $5 23. Nxh7 Re5
24. Nhg5 {Completely understandable that Black might not want this, but at the
same time - White lacks a threat, and it turns out Black can just play} Rbe8 $1
$15) 23. bxc5 dxc5 24. Nxc5 Nxc5 25. Bxd5 Bxd5 26. Rxd5 $11 {Regaining the
pawn and White has equalised. In human terms he is doing rather well as he has
an attack on the king...} Nb3 27. Rcd1 Rxe2 (27... f6 28. Qb4 $1) 28. Qf4 f6 $6
(28... Qf6 {I'm not sure White had a plan against this, and it's not clear he
can even recover his material, but he's luckily not worse:} 29. Qxf6 Bxf6 30.
R1d3 (30. Rxb5 Nd4 31. Ra5 Nf5 $1 $17) 30... Nc1 31. Rf3 Bxg5 32. Bxg5 R2e5 33.
Rxe5 Rxe5 34. Bh6 $11) 29. Rd7 (29. Qf3 {immediately would have set up some
beautiful ideas based on the epaulette mate:} fxg5 30. Rd8 $1 Bf6 $8 (30... Bg7
31. Qxb3+ Kh8 32. Qf7) (30... Rxd8 31. Rxd8+ Qxd8 32. Qxb3+) 31. R8d6 $3 Qxf2+
32. Qxf2 Rxf2 33. Kxf2 $16) 29... Nc5 30. Qf3 R2e5 $4 {I suspect this was an
attempt to win quickly.} (30... Nxd7 31. Rxd7 Qxf2+ 32. Qxf2 Rxf2 33. Kxf2 fxg5
34. Bxg5 {cannot possibly have escaped Nigel's notice, but some detail that
enables the pawn to be retained might have, e.g.} b4 (34... Be5 $5 $15 {
seems best}) 35. Rb7 Bc3 36. Be7 b3 $1 37. Ba3 Bd4+ 38. Kf3 Re3+ $15 {Black
can try for a while to win this, although it should not work.}) 31. R1d6 $1 $18
Rf5 32. Rxb6 (32. Qe2 $3 {is a nice extra, but you only need to win once.})
32... Rxf3 33. Re7 $1 (33. Nxf3 {Even if Black had expected this, the line
should not be preferred to the immediate ...Nxd7, because here it is obvious
that White will regain his pawn.} Nxd7 34. Rxb5 $11) 1-0

[Event "Vienna op"]
[Site "Vienna"]
[Date "1990.??.??"]
[Round "7"]
[White "Roeder, Mathias"]
[Black "Gavrikov, Viktor"]
[Result "1/2-1/2"]
[ECO "A63"]
[WhiteElo "2445"]
[BlackElo "2580"]
[Annotator "Ftacnik,L"]
[PlyCount "65"]
[EventDate "1990.10.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUT"]
[SourceTitle "CBM 021"]
[Source "ChessBase"]
[SourceDate "1991.04.01"]
[SourceVersion "1"]
[SourceVersionDate "1991.04.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bf4 a6 8. a4
Qe7 9. g3 Nbd7 10. h3 Rb8 11. a5 Bg7 12. Bg2 O-O 13. O-O Nh5 14. Bg5 f6 15. Bd2
f5 16. Qc1 (16. Re1 Ne5 17. Nxe5 Bxe5 18. e3 b5 19. axb6 Rxb6 20. Na4 Rb8 21.
Qc2 g5 $132 {Savchenko-Ragozin, Leningrad (tch) 1989}) 16... Ne5 17. Nxe5 Qxe5
18. f4 (18. e3 b5 19. axb6 Rxb6 20. Na4 Rb8 21. Bc3 $10) 18... Qe7 19. Kh2 b5
20. axb6 Rxb6 21. e4 (21. Re1 Nf6 22. e4 fxe4 23. Nxe4 Rxb2 24. Nxc5 $13) 21...
fxe4 (21... Bxc3 $6 22. Bxc3 fxe4 23. Re1 $40) 22. Ra4 (22. Re1 $5 Qb7 23. Ra2
Nf6 $13) 22... Nf6 (22... Rb4 23. Rxb4 cxb4 24. Nxe4 Bf5 25. Re1) 23. Nxe4 Rxb2
$1 (23... Nxd5 24. Qc4 Be6 25. Nxc5 $10) (23... Nxe4 24. Rxe4 Qf7 25. Bc3) 24.
Re1 (24. Qxb2 $2 Ng4+ $1 $19) (24. Bc3 Rxg2+ 25. Kxg2 Bxh3+ $1 (25... Nxe4 26.
Bxg7 Kxg7 27. Re1 Qd7 28. Raxe4 Qxh3+ 29. Kf2 Qh2+ 30. Ke3 (30. Kf3 Bg4+ 31.
Kxg4 Qh5#) 30... Qxg3+ 31. Kd2 $17) 26. Kxh3 Qd7+ 27. Kg2 Qxa4 28. Nxd6 Qa2+
$17) 24... Nxe4 $6 (24... Qd7 $1 $17) 25. Raxe4 Qf6 26. Re7 Bh8 $8 (26... Rf7
27. Re8+ Rf8 28. R8e7) (26... Qd4 27. Rxg7+ Qxg7 28. Bc3 Rxg2+ 29. Kxg2 Qd7 30.
Re6) 27. f5 $1 Qxf5 (27... Bxf5 28. Bh6) (27... Qd4 28. Bh6 Qxd5 29. Qxb2 $18)
28. Rf1 (28. Bh6 $4 Qxh3+ $19) 28... Qd3 29. Rxf8+ Kxf8 30. Qe1 Qxd2 (30... Be5
31. Rxe5 dxe5 32. Bh6+ Kf7 33. Qxe5 Rxg2+ (33... Rb7 $2 34. Qg7+ Ke8 35. Qf8+
Kd7 36. Qf7+ Kd6 37. Bf4#) 34. Kxg2 $10) 31. Re8+ Kg7 32. Qe7+ Kh6 33. Qh4+ {
Ftacnik,L} 1/2-1/2

[Event "USA-ch"]
[Site "Saint Louis"]
[Date "2015.04.09"]
[Round "8"]
[White "Troff, Kayden W"]
[Black "Nakamura, Hikaru"]
[Result "0-1"]
[ECO "A63"]
[WhiteElo "2532"]
[BlackElo "2798"]
[Annotator "Gormally,D"]
[PlyCount "68"]
[EventDate "2015.04.01"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "USA"]
[EventCategory "16"]
[SourceTitle "CBM 166"]
[Source "ChessBase"]
[SourceDate "2015.05.11"]
[SourceVersion "1"]
[SourceVersionDate "2015.05.11"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 Bg7 8. Bg2
O-O 9. O-O Re8 10. Re1 a6 11. a4 Nbd7 12. e4 {Somewhat double-edged as this
weakens the d3-square, so often an important target for Black in the Benoni.} (
12. Bf4 {is more solid.} Nh5 (12... Qc7 13. Rc1 h6 14. b4 b6 {Gleizerov,E 
(2557)-Martynov,P (2298) Stockholm 2013, was also a solid choice for Black.})
13. Bg5 (13. Bxd6 $2 Qb6) 13... Qc7 14. e4 h6 15. Bd2 {with a slight edge for
White in Dautov,R (2601)-Degraeve,J (2544) Germany 2008}) 12... Ng4 $1 {
Already perhaps intending a plan of ...Ne5 ...c4 ...Nd3} 13. Nd2 (13. Bg5 Qb6
14. Qc2 h6 15. Bf4 g5 16. Bc1 Nde5 17. a5 Qa7 $6 (17... Qc7 {looked more
typical}) 18. Nxe5 Nxe5 19. Na4 $1 b5 (19... Bg4 20. Ra3 $1) 20. axb6 Qb8 21.
f4 Ng4 22. e5 dxe5 23. h3 Bd7 24. fxg5 e4 25. hxg4 Qxg3 26. Qf2 {Seirawan,Y 
(2630)-Christiansen,L (2550) Chandler 1997, and White was already winning.}) (
13. h3 Nge5 14. Nxe5 Nxe5 15. f4 Nd7 {should be just about ok for Black. It is
generally acknowleged that in the Benoni it is in Black's favour to exchange
pieces as he is somewhat lacking in space.} 16. Be3 Qa5 $13) 13... Nge5 14. Bf1
g5 {Somewhat forced, otherwise White will drive away the knight with f4.   Of
course this move weakens some important squares on the kingside so involves an
element of risk, but you can hardly play an opening like the Benoni quietly.  
The dynamic features of this opening suit Nakamura's style perfectly well, as
he likes to drag the opponent into unfathomable complications and then simply
outcalculate him.} 15. h3 ({White can try the immediate} 15. f4 {anyway, but
this entails a huge amount of risk.} gxf4 16. gxf4 Ng6 $1 ({The crazy looking} 
16... Qh4 {needs to be considered, even if there should be a way for White to
consolidate his extra piece.} 17. fxe5 Nxe5 18. Qe2 $1 Nd3 $2 (18... Bg4 19.
Qf2) 19. Qxd3 Qxe1 20. Nf3 {trapping the queen.}) 17. Nc4 Bd4+ (17... Qh4 18.
Nxd6 Nf6 {is another wild line, even if this is hard to believe. Black
directly targets the white king.} 19. Nxe8 Ng4 20. Re2 Bd4+ 21. Kh1 Nf2+ 22.
Rxf2 Qxf2 23. Bg2 {and White should be able to repulse the threats.}) 18. Be3
Bxe3+ (18... Bxc3 $6 19. bxc3 Nf6 (19... Rxe4 20. Nxd6 Rxe3 21. Rxe3 Nf6 22.
Nxc8 Rxc8 23. Bh3 {is too optimistic for Black}) 20. f5 $1) 19. Rxe3 Nb6 $1 (
19... Nf6 $1 {also looks fine}) 20. f5 Nxc4 21. Bxc4 Ne5 {should be perfectly
fine for Black as the knight occupies an excellent square in the centre.})
15... Qf6 16. Qh5 Bh6 $1 {Awkward, but typical of the computer generation
style of play in that it doesn't matter whether a move looks ugly or not, it's
whether it works.} 17. Nd1 g4 18. Ne3 Bxe3 19. Rxe3 Qg7 20. hxg4 Nxg4 $6 {
Slightly sloppy from the normally very accurate Nakamura.} (20... Nf6 $1 21.
Qh1 Nfxg4 22. Rc3 Bd7 {would solve all of Black's problems.}) 21. Rc3 Ndf6 (
21... Nde5 22. f3 $1 Nf6 23. Qh4 {and White is beginning to consolidate his
position, as it's difficult for Black to now achieve anything on the kingside.
If White fully mobilises his forces, something that he was unable to achieve
in the game, then he will be much better due to the weakened dark squares in
Black's position.}) 22. Qh1 Re5 23. Qf3 Bd7 (23... Qg6 $5) 24. Qd3 $2 {A
serious error, after which Black's attack becomes overwhelming. You can
imagine what Troff was intending with this move, he frees up the f3-square for
the knight. But the queen was doing a good job on f3 of holding together his
position.} ({White should have played the concrete} 24. Rb3 $1 {giving Black
an awkward decision, whether to passively defend the pawn or try to plough on
with the attack.} Qh6 $1 {he should certainly plough on} 25. Qg2 Rh5 26. Nf3
Qg7 {Now Black's threat of taking on e4 seems quite serious, so White's next
is probably forced} 27. Nh4 Nxf2 $1 {the best practical chance} 28. Kxf2 Ng4+
29. Ke2 $5 {a crazy winning attempt} ({against Naka I would certainly play} 29.
Kg1 Qd4+ 30. Kh1 Nf2+ 31. Kh2 {with a draw- and desperately pray he doesn't
have anything better! :D}) {and now Black has a choice between} 29... Qd4 ({or
} 29... Re8 {both offering excellent play for the piece;}) 30. Rd3 Qb4 {
this is a complete mess and almost impossible to evaluate, which is why I'm
sure Troff would have gone for 29.Kg1} 31. b3 (31. Rda3 Re8 32. Kd1 $1 Rxe4 33.
Kc2 {is also a complete mess}) 31... c4 $40) (24. Bd3 Rae8 25. Nc4 Rxe4 $1 26.
Bxe4 Nxe4 {gives Black tremendous compensation for the exchange.}) 24... Qh6 $1
25. Bg2 (25. Nf3 Qh5 {when e4 will inevitably drop and the queen stuck on d3
can offer no help to its beleagured king.}) 25... Qh2+ 26. Kf1 Nxf2 $1 27. Kxf2
Bh3 28. Qf1 Rxe4 $19 29. Nxe4 Nxe4+ 30. Ke3 Bxg2 31. Qf4 Nxc3 32. Qg5+ Kf8 33.
bxc3 Re8+ 34. Kf2 Bh1+ 0-1

[Event "Bundesliga 0405"]
[Site "Germany"]
[Date "2005.02.13"]
[Round "11.1"]
[White "Haba, Petr"]
[Black "Levin, Felix"]
[Result "1/2-1/2"]
[ECO "A63"]
[WhiteElo "2520"]
[BlackElo "2498"]
[Annotator "Kapengut"]
[PlyCount "71"]
[EventDate "2004.11.12"]
[EventType "team-tourn"]
[EventRounds "15"]
[EventCountry "GER"]
[SourceTitle "CBM 106"]
[Source "ChessBase"]
[SourceDate "2005.06.06"]
[SourceVersion "1"]
[SourceVersionDate "2005.06.06"]
[SourceQuality "1"]
[WhiteTeam "Erfurt"]
[BlackTeam "Muelheim Nord"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3
O-O 9. O-O a6 10. a4 Nbd7 11. Bf4 {The Fianchetto Variation against the Modern
Benoni has a solid reputation. The Knight pirouette Nf3-d2-c4- (a3) has
occurred in over 50% of the games. White often wants to avoid this manoeuvre.
There are a number of ways to do this, one of them is imediately 11.Bf4, and
Black has a choice between the development of Queen to c7 or e7.} Qe7 12. Qd2
$6 {[%mdl 4] This is not a precise move, because White can use this square for
the knight or the bishop.} Nb6 $5 $146 (12... Re8 13. Rfe1 (13. Rad1 $6 Rb8 14.
e4 Ng4 15. h3 Nge5 16. Nxe5 Nxe5 17. Bxe5 Bxe5 18. f4 Bd4+ 19. Kh2 b5 20. axb5
axb5 21. b4 Qa7 22. Ne2 Bg7 23. bxc5 Qxc5 24. Rc1 Qa3 25. Rf3 Qa7 26. Rb3 Bd7
27. Qb4 Qb6 $11 {Giezendanner,J-Mueller,L/Lenk 1989}) (13. Rfc1 Qf8 14. Rab1 h6
15. Qd1 g5 16. Bd2 Nb6 17. Qb3 Nbd7 18. Qd1 Nb6 19. Qb3 Nbd7 {1/2-1/2 Hausner,
I-Schmittdiel,E/Augsburg 1987}) (13. h3 Qf8 14. Qc2 Nh5 15. Bd2 Ne5 16. Kh2 b6
(16... Nxf3+ 17. Bxf3 Qe7 18. a5 (18. Bxh5 gxh5 19. Bf4 Rb8 20. Qd3 Qd7 $132)
18... Nf6 19. Rfe1 Rb8 20. Bg2 b5 21. axb6 Rxb6 $132) 17. Nxe5 Bxe5 18. f4 Bd4
19. e4 Rb8 20. Ne2 $6 (20. g4 $142 $5 Ng7 21. Ne2 Bf6 22. g5 Bd8 23. Bc3 $16)
20... Bg7 21. Bc3 f5 22. Rae1 fxe4 23. Bxe4 Nf6 24. Bg2 Qf7 25. Qd1 b5 26. b4
Bb7 27. axb5 axb5 (27... cxb4 $5) 28. f5 g5 $17 {[%csl Rd5] Martin del Campo,
J-Huerta,R/Merida 2000}) 13... Rb8 (13... Ng4 $5 14. e4 Rb8 15. Qc2 b5 16. axb5
axb5 17. Ra7 b4 18. Na4 Rb7 19. Ra8 Nde5 20. Nxe5 Nxe5 21. b3 Bg4 22. Rxe8+
Qxe8 23. Re3 Ra7 24. h3 Bd7 25. Nb6 Ra1+ 26. Kh2 Bb5 $15 {Pukkila,M-Salimaki,J/
Helsinki 1999}) 14. Rab1 (14. h3 b5 15. axb5 axb5 16. Bg5 Qf8 17. Nh2 b4 18.
Nd1 Ne4 19. Bxe4 Rxe4 20. Be3 Nb6 $17 {Johansson,P-Yndesdal,K/Gausdal AC 1990})
14... Ng4 (14... c4 15. b4 cxb3 $5 16. Rxb3 Nc5 17. Ra3 Nfe4 (17... b5 $5 18.
axb5 axb5 19. Nd4 b4 20. Nc6 Qc7 21. Nxb8 Qxb8 22. Rb1 bxc3 $1 $17) 18. Nxe4
Nxe4 19. Qb4 b5 20. Re3 Bf5 21. Nd4 (21. Nd2 bxa4 22. Qa3 Bb2 23. Qxa4 Nc5 24.
Rxe7 Nxa4 25. Rxe8+ Rxe8 26. Nc4 Bd3 $5 27. Nxb2 Nxb2 28. Kf1 $1 $16) 21... a5
$5 22. Nxf5 Qa7 $1 23. Qb1 gxf5 24. Bxe4 bxa4 {Lanzendoerfer,J-Steinert,M/RLNS
1991} 25. Bxf5 $1 Rxe3 26. Bxh7+ Kh8 27. Qf5 Reb3 28. Qh5 $18) 15. b4 h6 $5 (
15... c4 $6 16. h3 Nge5 17. Nd4 Nf6 18. b5 (18. g4 Qf8 19. Bh2 h6 20. f4 Ned7
21. e4 $16) 18... axb5 19. Rxb5 Bd7 20. Rbb1 Qd8 21. Bg5 Qa5 22. Ncb5 Qxa4 23.
Nxd6 $18 {Arkell,K-Rudd,J/Scarborough 1999}) 16. h3 Nxf2 $5 17. Bxh6 (17. Kxf2
$140 $6 g5 $36) 17... Bxh6 18. Qxh6 Qe3 19. Qxe3 Rxe3 20. Kxf2 Rxc3 $132) (
12... Ng4 {/\ Ne5} 13. h3 (13. Rab1 Nde5 (13... Rb8 14. b4 cxb4 15. Rxb4 Nc5
16. Nd4 Bd7 17. a5 Rbd8 (17... h6 18. f3 g5 $5 19. fxg4 gxf4 20. Rxf4 Qg5 21.
Nf3 Qg6 $14) 18. Rfb1 Ne5 19. Bg5 f6 20. Bh6 Bxh6 21. Qxh6 Nf7 22. Qd2 Kg7 23.
Rxb7 $1 Nxb7 24. Rxb7 Qe8 25. Nc6 Rc8 26. Qd3 Bxc6 27. dxc6 Rxc6 28. Bxc6 Qxc6
29. Rb6 Qc5 30. Rxa6 $16 {Hausner,I-Suetin,A/Halle 1981}) 14. b4 b6 (14... cxb4
15. Rxb4 Nxf3+ 16. Bxf3 Ne5 $14) (14... Nxf3+ 15. Bxf3 g5 16. Bxg5 Bxc3 17.
Bxe7 Bxd2 18. bxc5 dxc5 19. Bxc5 Ne5 (19... Re8 20. Rfd1 Bc3 21. d6 Nf6 $132)
20. Bg2 Re8 21. Rfd1 Nc4 22. d6 Bd7 23. Bxb7 Bxa4 24. Bxa8 Rxa8 25. Rxd2 Nxd2
26. Rb4 Bd7 27. Be3 a5 28. Rb7 $16 {Hausner,I-Gobet,F/Augsburg 1986}) 15. bxc5
bxc5 16. h3 Nxf3+ 17. exf3 Ne5 18. Rbe1 $6 (18. Rfe1 $132) 18... Qc7 $5 (18...
Qd8 $132) 19. Bxe5 Bxe5 20. Rxe5 $5 dxe5 21. f4 Rb8 (21... exf4 22. d6 Qa7 23.
Bxa8 $16) (21... Rd8 22. Rd1 $44) 22. d6 Qa5 23. fxe5 Be6 $15 {Korchnoi,
V-Hulak,K/Wijk aan Zee 1983}) (13. b3 $6 Rb8 14. Rfe1 Re8 15. Rab1 (15. h3 Nge5
16. Nxe5 Nxe5 17. Bh6 Bxh6 18. Qxh6 f5 19. Qd2 b5 20. axb5 axb5 21. f4 b4 22.
Na4 {Berndt,K-Friesse,B/DDR-ch M916 corr 1989} Nf7 $132) 15... Nge5 (15... h6
$5 16. h3 g5 17. hxg4 (17. Bxg5 hxg5 18. hxg4 Ne5 19. Nxg5 b5 20. Nce4 Nxg4 $44
) 17... gxf4 18. gxf4 Qf6 19. Rbc1 b5 $44) 16. Bh6 Bh8 17. h3 b5 18. axb5 axb5
19. b4 Nc4 20. Qc1 Ba6 21. bxc5 dxc5 22. Bf4 Nde5 23. Ne4 Rbc8 24. Nxe5 Bxe5
25. Bxe5 Qxe5 26. Ra1 Bb7 27. Rd1 Red8 28. f4 Qg7 $15 {[%csl Rd5] Radashkovich,
I-Marovic,D/Beersheba 1976}) 13... Nge5 14. Nxe5 (14. b3 Nxf3+ 15. exf3 Ne5 16.
Rfe1 Qc7 17. Bh6 Bxh3 $6 18. Bxg7 Kxg7 19. Rxe5 $6 (19. f4 $142 $1 Bxg2 20.
fxe5 $16) 19... Bxg2 20. Re3 Bh3 21. g4 f5 22. Rae1 Rf7 23. Ne2 {Sofyan,
S-Simbolin,Y/Jakarta 1997} fxg4 24. Nf4 Qd7 25. Ne6+ Kg8 $13) 14... Nxe5 15. a5
Bd7 (15... Rb8 16. Na4 $1 Bd7 (16... Nc4 17. Qc2 Nxa5 18. Nxc5 $16) 17. Nb6 Bb5
18. b4 cxb4 19. Qxb4 g5 20. Bxe5 Bxe5 21. Rac1 f5 $1 22. Rfe1 h5 23. f4 gxf4
24. gxf4 Qh4 $5 25. e3 Kh8 26. Qd2 Bf6 $132 {Arkell,K-Kinsman,A/England 1999})
16. Rfb1 $1 (16. Bh6 $6 Nc4 $15 {><a5,b2}) 16... Rab8 (16... Rfb8 $142 $5 {/\}
17. Bh6 Bh8 $132) 17. Bh6 (17. b4 $6 Rfc8 $36) 17... Nc4 18. Qf4 Bxh6 19. Qxh6
b5 (19... Qd8 20. Qf4 Ne5 21. b4 $36) 20. axb6 Rxb6 21. b3 Ne5 22. Qe3 (22. f4
$2 Ng4 $1 23. hxg4 Qe3+ $17) (22. Qc1 $5 $14 {/\f4+-}) 22... Rfb8 (22... Bf5 $5
23. Rb2 (23. f4 $2 Bxb1 24. Rxb1 Nc6 $1 $19) 23... Qf6 $132 {/\Nc4}) 23. Nd1 g5
(23... Bf5 24. Rb2 $14 {/\f4,g4} (24. f4 $6 Bxb1 25. Rxb1 c4 $44)) 24. Qc3 (24.
f4 gxf4 25. gxf4 Ng6 $13) 24... Qf6 (24... f5 $5 25. f4 gxf4 26. gxf4 Ng6 27.
e3 Nh4 $132) 25. Qc1 h6 (25... h5 $5) (25... Rxb3 26. Rxb3 Rxb3 27. Rxa6 Bb5
28. Ra8+ Kg7 29. Rb8 $14) 26. Ne3 Bc8 27. Qc2 $14 Rb4 28. Ra4 $1 Rxa4 $6 (28...
Kg7 $142 $14) 29. bxa4 Rxb1+ $8 30. Qxb1 Bd7 31. Qb8+ Kg7 32. a5 {><a6,d6} Qg6
33. Qb6 $5 (33. g4 h5 $132 {Smyslov,V-Grooten,H/Tilburg 1992}) 33... f5 (33...
Bb5 34. g4 $16) 34. Qxa6 f4 35. Nc4 $16 {Stohl,I}) (12... Rb8 13. Rab1 (13. Bh6
b5 14. Bxg7 Kxg7 15. axb5 axb5 16. b4 Nb6 $1 17. bxc5 dxc5 18. Nxb5 Nbxd5 19.
Nc3 Rd8 20. Rfc1 Rb4 $10 {Margot,F-Wedberg,T/St Martin 1991}) 13... b5 $6 (
13... Ng4 $142 $5 14. b4 h6 $132) 14. axb5 axb5 15. b4 $1 Ba6 16. bxc5 Nxc5 17.
Nd4 Qd7 18. Nc6 Rb6 19. Be3 Re8 20. Bd4 Rb7 21. Nb4 $16 {Lundin,E-Olsson,A/
Karlskrona 1963}) (12... Nh5 13. Bh6 f5 14. Bxg7 Nxg7 15. Rab1 Rb8 16. b4 Ne8
17. Ng5 Ndf6 18. Rfd1 h6 19. Nh3 (19. Ne6 $5) 19... cxb4 20. Rxb4 g5 21. f4 Ng4
$6 (21... g4 22. Nf2 Nc7 23. a5 Bd7 $14) 22. e4 $1 $16 {Gokhan,D-Apaza,H/
Santiago 1990}) 13. b3 Bf5 $5 14. a5 Nc8 (14... Nbd7 15. Nh4 Ne4 16. Nxf5 gxf5
17. Nxe4 fxe4 18. Ra4 f5 19. f3 $14) 15. Bh6 Ne4 (15... b5 16. Bxg7 (16. axb6
Nxb6 17. Bxg7 Kxg7 18. Qb2 Rfb8 19. e4 Bg4 20. Nd2 Qe5 $132) 16... Kxg7 17. b4
cxb4 18. Na2 b3 19. Nb4 Be4 20. Qb2 $14) 16. Nxe4 Bxe4 17. Bxg7 Kxg7 18. b4 $1
cxb4 (18... Re8 19. Rfc1 b5 20. Ra3 $14) 19. Qxb4 $16 Na7 20. Ra3 Bxf3 21. Re3
Qd7 22. Bxf3 Nb5 23. Bg4 Qc7 24. h4 (24. Qd2 f5 25. Rc1 Qd7 26. Bf3 $16) 24...
h5 25. Bh3 Rae8 26. Qb2+ $6 (26. Rxe8 Rxe8 27. e3 $14) 26... Kg8 27. Rc1 Qxa5
$11 28. Rxe8 Rxe8 29. Bd7 Rf8 (29... Rb8) 30. Bxb5 Qxb5 31. Qxb5 axb5 32. Rb1
Rc8 33. Rxb5 Rc5 34. Rxb7 Rxd5 35. Kg2 Kg7 36. Kf3 1/2-1/2

[Event "EU-Cup 12th Group5"]
[Site "Thessaloniki"]
[Date "1996.11.23"]
[Round "3"]
[White "Goldin, Alexander"]
[Black "Horvath, Tamas"]
[Result "1-0"]
[ECO "A63"]
[WhiteElo "2570"]
[BlackElo "2410"]
[Annotator "Kapengut"]
[PlyCount "76"]
[EventDate "1996.11.??"]
[EventType "team-k.o."]
[EventRounds "3"]
[EventCountry "GRE"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Novosibirsk Sibekobank"]
[BlackTeam "Zalaegerszegi Csuti Antal SK"]
[WhiteTeamCountry "RUS"]
[BlackTeamCountry "HUN"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 g6 6. Nc3 d6 7. g3 Bg7 8. Bg2
O-O 9. O-O Nbd7 10. Bf4 Qe7 11. h3 a6 12. a4 Rb8 13. Rb1 Nh5 14. Bg5 f6 (14...
Bf6 {see Shipov,S-Rustemov,A}) 15. Bd2 f5 16. Qc1 (16. Kh2 {/\b4@} Ne5 17. b4
$1 cxb4 18. Rxb4 Bd7 $13) (16. b4 $6 cxb4 (16... Nxg3 $1 17. fxg3 Bxc3 18. Bxc3
Qe3+ 19. Kh2 Qxc3 20. Ng5 cxb4 21. Rb3 Qe5 22. Nf3 Qf6 23. Rxb4 a5 $1 $15) 17.
Rxb4 Nxg3 $1 (17... Nc5 $2 18. Nd4 Bd7 19. Qb1 a5 20. Rc4 Nxa4 $5 21. Ncb5 $1
Bxb5 22. Qxb5 Nc5 23. Ne6 (23. Bxa5 $2 Nxg3 $1) (23. Qxa5 $2 Bxd4 24. Rxd4 Nb3
$17) 23... Nxe6 24. dxe6 Nf6 25. Bxa5 Qxe6 26. Rc7 Ne4 27. Rd1 Rf7 28. Rxf7 {
Tukmakov,V-Ulybin,M/Simferopol 1988} Kxf7 $1 29. Bc7 Re8 30. Qxb7 Re7 $11) 18.
fxg3 Bxc3 $17 19. Bxc3 Qe3+ 20. Kh2 Qxc3 21. Qd4 Qxd4 22. Nxd4 Re8 23. Rc1 Kf7
24. Rc7 Kf6 25. a5 h6 $15 {Pavlovic,D-Abramovic,B/Nis 1983}) (16. e3 Nb6 17.
Qb3 Na8 18. Qa2 Nc7 19. Rfe1 (19. b4 $6 Kh8 (19... Nxg3 $2 20. fxg3 Bxc3 $2 21.
bxc5 $1 $18) (19... cxb4 $5 20. Rxb4 Nxg3 $1 21. fxg3 Bxc3 22. Bxc3 Qxe3+ 23.
Kh2 Qxc3 24. Rc4 Qg7 25. Rfc1 Na8 $15) 20. Rfd1 Rd8 21. Be1 h6 (21... b6 22.
bxc5 dxc5 23. Qa3 $14) 22. bxc5 dxc5 23. Rb6 Rd6 24. Rdb1 Nf6 25. Nd2 Nd7 26.
Rxd6 Qxd6 27. Nc4 Qf6 28. d6 $16 {Grabarczyk,M-Petkovski,V/Ohrid 2001}) 19...
b6 20. e4 fxe4 21. Nxe4 Bf5 22. Nxc5 $5 (22. Nfg5 Bd4 23. g4 Bxe4 24. Nxe4 Nf4
$132) 22... Bxb1 23. Qxb1 Qf7 24. Ne6 $14) (16. Qc2 Nhf6 17. b4 cxb4 18. Rxb4
Nc5 19. Nd4 Bd7 20. Qb1 Rbc8 $5 (20... Nfe4 21. Nxe4 Nxe4 22. Bxe4 fxe4 23. Ne6
Bxe6 24. Qxe4 Be5 25. dxe6 Qxe6 $14 {Obukhov,A-Cherniak,L/Smolensk 1991}) 21.
a5 (21. Nb3 b5 22. axb5 axb5 23. Nd4 Na6 $1 24. Rb3 b4 25. Na2 Ne4 $15) 21...
Rc7 22. Rd1 $13 {Drasko,M-Petronic,J/Jugoslavija 1997}) (16. Bg5 Qe8 (16...
Nhf6) 17. Qd2 Ne5 $11 18. b4 $5 (18. Rfe1 $6 f4 19. g4 h6 20. gxh5 hxg5 21. Ne4
gxh5 22. Nxd6 Nxf3+ 23. Bxf3 Qg6 $132) (18. Bh6 $6 Bxh6 (18... f4 $5 19. Bxg7
Nxg7 20. Nxe5 Qxe5 21. gxf4 Rxf4 $36) 19. Qxh6 f4 $1 $15 {'und angesichts der
Drohung Nf7 kam Schwarz schnell in Vorteil'} 20. Ng5 Qe7 21. Nce4 Bf5 22. g4
Bxe4 23. Bxe4 Nf6 24. Bg2 Kh8 $17 {Razuvaev,Y-Zuckerman,B/Polanica Zdroj 1972})
18... Nf7 (18... f4 19. bxc5 dxc5 20. g4 h6 21. Bxh6 Bxh6 22. gxh5 Nxf3+ 23.
exf3 gxh5 24. Rb6 $36) 19. Be3 f4 20. gxf4 Bf5 21. bxc5 $5 (21. Rb2 $140 cxb4
22. Rxb4 Qc8 23. Rc1 Bxh3 $132) 21... Bxb1 22. Rxb1 dxc5 23. Bxc5 Rc8 24. Bd4
$1 $14) 16... Ne5 17. b4 cxb4 18. Rxb4 a5 (18... Bd7 $5 19. a5 Rfc8 20. Nd4 Qd8
21. Qd1 Qxa5 (21... Nc4 22. Nc6 $5 bxc6 23. Rxc4 c5 $132) 22. Na4 Bh6 $5 23. f4
b5 24. Rxb5 Qxd2 25. Qxd2 axb5 26. Nb2 Nxg3 27. Ra1 Ne4 $44) 19. Rb3 Bd7 20.
Bg5 Bf6 (20... Qf7 21. Nxe5 Bxe5 22. Nb5 f4 $140 23. g4 Nf6 24. Qd2 Bxb5 25.
axb5 Nd7 26. Rf3 $14) 21. Bxf6 Nxf6 22. Nd4 Rfc8 23. Qe3 Qf7 24. Rfb1 Nc4 25.
Qg5 b6 26. Nc6 Bxc6 27. dxc6 d5 28. Rd1 Rxc6 29. Nxd5 $16 Kg7 30. Nxf6 Rxf6 31.
Qf4 Rc8 32. Rc3 Rc5 33. Rdc1 Nd6 34. Rxc5 bxc5 35. Rxc5 Qa7 36. Qe5 Nf7 37. Qc3
Qe7 38. e3 g5 1-0

[Event "World Cup"]
[Site "Khanty-Mansiysk"]
[Date "2007.12.04"]
[Round "4.2"]
[White "Bareev, Evgeny"]
[Black "Alekseev, Evgeny V"]
[Result "1/2-1/2"]
[ECO "A63"]
[WhiteElo "2653"]
[BlackElo "2716"]
[Annotator "Marin,M"]
[PlyCount "59"]
[EventDate "2007.11.24"]
[EventType "k.o."]
[EventRounds "7"]
[EventCountry "RUS"]
[SourceTitle "CBM 122"]
[Source "ChessBase"]
[SourceDate "2008.01.30"]
[SourceVersion "1"]
[SourceVersionDate "2008.01.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Nf3 Bg7 8. Bg2
O-O 9. O-O Nbd7 10. h3 ({The classical main line continues with} 10. Nd2 a6 11.
a4 Re8 12. h3 Rb8 {when after} 13. Nc4 {both} Nb6 {and 13...Ne5 are supposed
to lead to adequate counterplay for Black.}) 10... a6 11. a4 Rb8 12. Bf4 {
By maintaining his knight on f3, White hopes for rapid development of pieces,
in order to put Black under pressure as soon aspossible.} Qe7 13. e4 ({The
alternate plan is} 13. Rb1 {[%cal Gb2b4]}) 13... h6 $5 {A relatively
unexplored move.} ({The main course of theory continues with} 13... b5 14. axb5
axb5 15. Re1 Ne8 16. Ra7 $5 (16. Qe2 {is supposed to be slightly unpleasant
but entirely defensible for Black.} Rb6 (16... b4 17. Nb5 Rb6 {Atalik,E (2400)
-Stein,A (2412)/San Fransisco 2007/CBM 119 ext (1/2-1/2, 52)} 18. Na7 Bb7 19.
e5 $36 {[%cal Ga7c6,Rg2c6]}) 17. Nxb5 Ba6 18. Rxa6 Rxa6 19. Nbd4 Nb8 20. Nc6
Rxc6 21. dxc6 Nxc6 {White continues to be better developed, but the weakness
of the b2-pawn and of the d4-square offer Black suficient play.} 22. e5 (22.
Rd1 {Drasko,M (2465)-Renet,O (2455)/Vrnjacka Banja 1987/EXT 97 (1-0, 55)} Nd4
23. Nxd4 Bxd4 $11) 22... Nxe5 23. Nxe5 dxe5 24. Bxe5 Nc7 25. Bxg7 Qxe2 26. Rxe2
Kxg7 27. Rc2 Ne6 28. Bd5 Rb8 29. Bxe6 {1/2-1/2 Razuvaev,Y (2535)-Psakhis,L 
(2555)/Irkutsk 1986/TD}) 16... Qd8 17. Bf1 $1 ({neutral moves such as} 17. Qc1
{allow Black consolidate his advantage of space on the queenside.} Qb6 18. Ra1
c4 $1 {A more favourable way to advance pawns than in the main line.} 19. Be3
Nc5 20. e5 Qc7 21. Bxc5 Qxc5 22. Qd2 Bb7 23. Rad1 dxe5 24. Nxe5 Rd8 25. Qf4 Nd6
26. Nc6 Rde8 27. g4 Kh8 28. Ne5 {1/2-1/2 Martin,A (2340)-Mestel,A (2500)/
Southport 1983/EXT 99}) 17... b4 18. Na4 $14 {[%csl Gc4,Gd6] Sorokin,M (2575)
-Hoffman,A (2510)/Buenos Aires 1998/CBM 064 ext (1-0, 40)}) 14. Re1 ({Here,
too,} 14. Rb1 {has been tried.} g5 15. Bd2 Ne8 $6 {After Black's refusal to
fight for the centre, White's strategy is fully justified.} ({The critical
line is} 15... Nxe4 $5 16. Nxe4 Qxe4 17. Nxg5 Qg6 18. Ne4 Ne5 $132 {[%csl Ge4]
[%cal Gc8h3,Yf7f5,Ye5c4]}) 16. Re1 Nc7 17. Qc2 b5 18. axb5 Nxb5 19. Nxb5 Rxb5
20. b4 $14 {Gleizerov,E (2520)-Moiseev,V (2450)/Berlin 1994/EXT 97 (1-0, 33).
White is better developed, has a compact structure, while the enemy
king'sposition is somewhat weak.}) 14... g5 $5 $146 (14... Nh5 {drives the
bishop away, but releases the pressure against the white centre.} 15. Be3 b5
16. axb5 axb5 17. Ra7 (17. Ra5 $5 Qd8 $5 18. Qa1 $1 b4 19. Nb5 Bxb2 20. Qxb2
Qxa5 21. Nxd6 $44) 17... b4 18. Na4 Rb7 19. Rxb7 Bxb7 20. e5 Nxe5 21. Nxe5 Bxe5
22. g4 Ng7 23. f4 Bf6 24. Bxc5 $14 {Vanheste,J (2290)-Cardon,H (2380)/
Netherlands 1987/TD (1/2-1/2, 48)}) 15. Bxd6 {Practically forced.} ({After} 15.
Be3 b5 {the e4-pawn would be in danger; to be compared to the line after 14...
Nh5, above.}) 15... Qxd6 16. e5 Qb6 17. exf6 Nxf6 {White has a strong central
passed pawn, while Black's position is not without weaknesses. However, the
stability on dark sqares will allow Black equalize in just a few moves.} 18.
Qc2 Ne8 $1 {[%cal Ge8d6]} 19. a5 Qd8 20. Nd2 Nd6 21. Nce4 Nxe4 22. Nxe4 b6 $132
{[%csl Yb2,Gg7] Now, the weaknesses will compensate for each other. White has
no advantage at all.} 23. axb6 Qxb6 24. Nxc5 Qxb2 25. Qxb2 Bxb2 26. Rad1 Ba3
27. Ne4 Bb4 28. Re3 Kg7 29. g4 a5 30. Ng3 1/2-1/2

[Event "Nalchik FIDE GP"]
[Site "Nalchik"]
[Date "2009.04.28"]
[Round "12"]
[White "Grischuk, Alexander"]
[Black "Bacrot, Etienne"]
[Result "1-0"]
[ECO "A63"]
[WhiteElo "2748"]
[BlackElo "2728"]
[Annotator "Marin,M"]
[PlyCount "112"]
[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. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 d6 5. Nc3 exd5 6. cxd5 g6 7. g3 {There was
a time when the transposition to the fianchetto Benoni was considered Black's
best reaction to the Catalan Opening. Over the past years, this strategic
system has become very popular even from the normal Benoni move order, facing
Black with numerous problems. In the absence of the pressure against the
e4-pawn, Black cannot organize his counterplay so easily.} Bg7 8. Bg2 O-O ({
I happened to be around when the following game was played:} 8... Na6 9. O-O
Nc7 10. e4 O-O 11. h3 Nd7 12. Bf4 Ne5 13. Nxe5 ({This may be a premature
release of the tension, allowing Black to clear the d6-square for his other
knight. Any normal developing move may have been better.} 13. Re1 $5) 13...
dxe5 14. Be3 b6 15. f4 Ne8 16. f5 Nd6 17. Qc2 Bd7 18. Rf2 Rc8 19. a4 a6 20. g4
f6 21. Bf1 c4 22. Bg2 Rf7 23. Rff1 {1/2 Bacrot,E (2709)-Gashimov,V (2644)/
Torrelavega 2007/CBM 119. The ease with which Black managed to hold his own
may have inspired Bacrot to employ the same plan in the present game, but in a
slightly different form.}) 9. O-O Nbd7 (9... a6 10. a4 Re8 11. Bf4 Ne4 {
Aronian,L (2759)-Carlsen,M (2693)/Elista 2007/CBM 119/[Marin,M] (1-0, 66)}) (
9... Re8 10. Bf4 Bg4 $5 (10... Na6 {Gleizerov,E (2552)-Marin,M (2551)/Predeal
2007/CBM 121/[Marin,M] (1/2, 30)}) 11. Nd2 $146 Nh5 12. Be3 Nd7 $5 {Eljanov,P 
(2692)-Topalov,V (2780)/Wijk aan Zee 2008/CBM 122/[Marin,M] (1-0, 46)}) 10. h3
a6 11. a4 Rb8 12. Bf4 Ne8 $5 {This rare move defends the d6-pawn and prepares
Gahsimov's manoeuvre. The fact that the knights have reversed their functions
does not have any significance, of course...} (12... Qe7 {Bareev,E (2653)
-Alekseev,E (2716)/Khanty-Mansiysk 2007/CBM 122/[Marin,M] (1/2, 30)}) 13. Rc1
$146 {A strong novelty, preventing Black's queenside counterplay by indirect
means.} (13. Qd2 b5 14. axb5 axb5 15. Ne4 Qb6 16. Rfe1 b4 17. Qc2 {Kaidanov,G 
(2515)-Ermenkov,E (2480)/Calcutta 1988/EXT 97 (1-0, 46)} Ba6 $132 {Kaidanov}) (
13. a5 b5 14. axb6 Nxb6 15. Qc1 Nc7 {1/2 Gligoric,S (2455)-Velimirovic,D (2535)
/Pozarevac 1995/CBM 049 ext}) 13... b6 {[%csl Gc5][%cal Gd7e5,Gd6e5,Ge8d6]
Black overprotects c5, in order to prepare ...Ne5.} ({White's idea is revealed
after} 13... b5 14. axb5 axb5 15. b4 $1 $14 cxb4 16. Na2 {[%cal Gg7a1]} Qa5 17.
Qd2 $14 {[%cal Ga2c4]}) 14. e4 Ne5 15. Re1 (15. Nxe5 dxe5 16. Be3 Nd6 $13 {
[%cal Gc8d7,Gf7f5]} 17. a5 $6 Nc4 $1) 15... Bd7 16. Bf1 {[%csl Ga6] White
refrains from releasing the tension and forces Black to take a concrete
decision instead.} (16. Nxe5 dxe5 17. Be3 Nd6 18. a5 Nc4 19. axb6 Nxe3 20. Rxe3
$2 Bh6 $17) 16... Nxf3+ {This probably is the best practical decision.} (16...
b5 17. axb5 axb5 18. Nxe5 $1 (18. b4 cxb4 19. Na2 Qa5 {[%csl Gf3]} 20. Bxe5 $8
dxe5 21. Qd2 Qa3 $36 {[%cal Gb4b3,Ge8d6]}) 18... Bxe5 (18... dxe5 19. Be3 $16 {
[%csl Gc5]}) 19. Qd2 $1 (19. Bxe5 dxe5 20. b3 Nd6 $11) 19... Bxf4 20. Qxf4 b4
21. Nb1 $14 {In the absence of the g7-bishop, Black's queenside play is not
too impressive.}) 17. Qxf3 b5 18. axb5 axb5 19. b4 {White has more or less
stabilised the queenside, but his piece placement is slightly awkward,
allowing Black to get some initiative on the other wing.} g5 $5 (19... cxb4 20.
Na2 Qa5 21. Qb3 Qa4 22. Rb1 $14 {[%cal Ga2b4]}) (19... c4 20. Qe3 $14 {[%cal
Gf4h6]}) 20. Bd2 c4 21. Qd1 f5 22. exf5 Bxf5 23. Be3 h6 24. Bd4 Bxd4 25. Qxd4 {
White has managed to consolidate on dark squares, but the c4-pawn needs
permanent surveillance.} Qf6 {The active white queen, which keeps both wings
under pressure, has to be exchanged.} 26. Qxf6 Nxf6 {It is hard to claim an
objective advantage for White, but experience has taught me that Black's play
is more difficult to be carried out. The c3-knight, blocking the c-pawn and
keeping the b5-pawn under pressure, is very stable. Eventual exchanges would
transform it into the strongest piece on board.} 27. Ra1 {[%csl Rb5,Gd6][%cal
Ga1a6,Ra1a5]} Nd7 {[%cal Ga1a6,Gb8b6,Rd7e5] This move blocks the bishop's
retreat to d7, leaving the e6-square vulnerable.} (27... Rb6 28. g4 Bd7 {
[%csl Rb6] looks a bit passive.}) 28. g4 Bd3 29. Re6 $14 Ne5 30. Bg2 Nf3+ 31.
Bxf3 Rxf3 32. Re3 $5 {White neutralises Black's initiative at the cost of
slightly spoiling his structure. Play becomes rather one-sided, with just a
small plus at no risk for White.} (32. Rxh6 Rbf8 $132) 32... Rxe3 33. fxe3 Re8
(33... Kf7 $5) 34. Kf2 Rf8+ 35. Kg3 Re8 36. Kf3 Rf8+ 37. Kg2 Re8 38. Kf2 Rf8+
39. Kg2 Re8 40. Kf3 Rf8+ 41. Kg3 Re8 42. Re1 Ra8 43. e4 Ra3 44. Nxb5 Rb3 45.
Kf2 Rxb4 $6 (45... c3 $5 $132) 46. Nxd6 c3 47. Ke3 c2 48. Kxd3 Rb1 49. Kxc2
Rxe1 50. Kd3 h5 51. Kd4 Kf8 52. Nf5 Rh1 53. e5 Rxh3 54. e6 hxg4 55. d6 Rh1 56.
d7 Rd1+ 1-0

[Event "FIDE World Cup"]
[Site "Khanty-Mansiysk"]
[Date "2005.11.28"]
[Round "1.2"]
[White "Nikolic, Predrag"]
[Black "Navara, David"]
[Result "1-0"]
[ECO "A63"]
[WhiteElo "2584"]
[BlackElo "2646"]
[Annotator "Marin,M"]
[PlyCount "93"]
[EventDate "2005.11.27"]
[EventType "k.o."]
[EventRounds "7"]
[EventCountry "RUS"]
[SourceTitle "CBM 111"]
[Source "ChessBase"]
[SourceDate "2006.04.04"]
[SourceVersion "1"]
[SourceVersionDate "2006.04.04"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 {It is
quite refreshing to see that in an era when the main theoretical discussion in
the Benoni is held in the forced lines of the h3, Bd3 and Nf3 system, a player
of classic style like Nikolic sticks to his favourite fianchetto system, where
the game is decided by the players' ability rather than their theoretical
knowledge.} Bg7 8. Bg2 O-O 9. O-O Nbd7 10. Nd2 a6 11. a4 Rb8 ({Although less
popular and less investigated than} 11... Re8 {this move looks playable.}) 12.
Nc4 Ne8 13. a5 {This move takes the b6-square under control and more or less
"freezes" Black's structure on this wing, since ...b5 can always be met by
axb6 followed by Na5 and Nc6. On the other hand, Black gets the b5-square for
his minor pieces.} ({The less committal} 13. Bf4 {allows Black to carry out a
typical regroupment:} Nb6 14. Na3 Bd7 15. a5 Nc8 16. Nc4 Bb5 17. Qb3 Qd7 18.
Na4 Na7 19. Nc3 Nc8 20. Na3 Na7 21. Rfd1 Nc7 22. Nc4 {1/2-1/2 Savon,V (2570)
-Kapengut,A (2450)/Leningrad 1971/URS-ch}) ({Another way of putting pressure
on the b6-square is} 13. Qb3 {but, judging from the following old game,
Nikolic seems to be not very convinced about its merits.} Ne5 14. Nb6 {1/2-1/2
Nikolic,P (2585)-Sax,G (2565)/Amsterdam 1984/MCL}) 13... Ne5 14. Nb6 Nc7 ({
If Black has no ambitions at all, he can try to pursue the enemy kight with} 
14... Nd7 {. Although barely tried in practice, this line deserves further
investigation. Here is what looks like the only relatively relevant game
played so far:} 15. Nxc8 Rxc8 16. Bd2 Nc7 17. Qa4 Rb8 18. Rab1 b5 19. axb6 Nxb6
20. Qa2 {1/2-1/2 Melnikov,A (2335)-Ulibin,M (2240)/Kursk 1987/EXT 97}) 15. f4 {
By taking the e5-square under control, White ensures stability to his knight
on c4. However, the e4- and e3- quares are relatively weak now.} (15. h3 Nb5
16. Bd2 Re8 17. Re1 Nd7 18. Nxc8 Qxc8 19. Qa4 b6 $1 $13 {Velimirovic}) 15...
Ng4 (15... Nd7 16. Nc4 $16) 16. e3 $5 (16. Nc4 Re8 {0-1 Donner,J-Keres,P/
Hastings 1954/MCL/[Chekhov] (34)} (16... f5 $5) 17. e4 $1 Bd4+ 18. Kh1 Nf2+ 19.
Rxf2 Bxf2 20. e5 dxe5 21. fxe5 Bd4 22. Bf4 g5 23. Ne4 $40 {Kapengut,
"Indiiskaia Zaschita" 1984.}) 16... f5 $6 ({Although from a static point of
view this move looks just natural, it offers White an important tempo for
regrouping. A more dynamic approach is better suited here. Black should
activate his pieces with} 16... Re8 $1 17. Re1 (17. Nxc8 Qxc8 18. Re1 f5 19. h3
Nf6 20. Kh2 Nb5 21. Bd2 Qd7 22. Rc1 Re7 $132 {1/2-1/2 Marotz,H-Roze,L/EU-ch
GT269 corr 1987/Corr Nr. 1 (31)}) (17. Qf3 $2 Nxe3 $1 $17 18. Bxe3 Rxe3 $19)
17... Nb5 {when White would have certain problems to maintain the control of
the position.} 18. Nxb5 (18. Bd2 Bf5 $1 {[%csl Ye4][%cal Rg4f6,Rf6e4]}) 18...
axb5 19. h3 Nf6 20. Qb3 (20. e4 Nd7) 20... Ne4 21. Qxb5 Nxg3 {0-1 Quinteros,
M-Velimirovic,D Vinkovci 1970}) 17. h3 Nf6 18. Bd2 $1 $146 ({Obviously better
than giving up the knight with} 18. Nxc8 Qxc8 $13 {Silva,F-Kaplan,L/Stokholm/
1969/}) 18... Bd7 19. Qc2 Bb5 20. Rfe1 Re8 21. Nd1 $1 $14 {[%cal Yd1f2,Yd2c3]
The start of a typical regroupment. Black will soon find himself in a position
with no counterplay at all, while White will be able to prepare the central
break e4 with all the comfort.} Nd7 (21... Ne4 22. Bxe4 $14 {[%cal Yd1f2] /\Nf2
}) 22. Nxd7 Bxd7 23. Bc3 Bf8 24. Nf2 Nb5 25. Bd2 Bg7 26. Bf1 $1 {[%cal Yf1c4,
Yc4a2]} Nc7 27. Bc4 Bb5 28. Ba2 Re7 29. Bc3 Qf8 30. Qd2 Bd7 31. Rac1 b5 32.
axb6 Rxb6 33. Kh2 Ne8 34. e4 $16 fxe4 35. Nxe4 Bxc3 36. bxc3 Bxh3 37. Nxc5 Bg4
38. Nd3 Nf6 39. Kg1 Bf3 40. Qf2 Bxd5 41. c4 Rb8 42. cxd5 Ne4 43. Qg2 Qe8 44.
Rc2 Qa4 45. Rc4 Qa3 46. Rcxe4 Rxe4 47. Qxe4 1-0

[Event "USA-ch GpB"]
[Site "San Diego"]
[Date "2006.03.06"]
[Round "4"]
[White "Shulman, Yuri"]
[Black "Shabalov, Alexander"]
[Result "1-0"]
[ECO "A63"]
[WhiteElo "2581"]
[BlackElo "2595"]
[Annotator "Marin,M"]
[PlyCount "81"]
[EventDate "2006.03.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 112"]
[Source "ChessBase"]
[SourceDate "2006.06.07"]
[SourceVersion "1"]
[SourceVersionDate "2006.06.07"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 g6 6. Nc3 d6 7. h3 a6 8. a4 Qe7
9. g3 $5 {This switch of plans leads to a slightly improved version of the
fianchetto-Benoni because of the fact that the black queen has defined its
intentions a bit too soon.} Bg7 10. Bg2 O-O 11. O-O Nbd7 12. Bf4 {[%cal Ye2e4,
Yf1e1]} Nh5 {The only way to counter White's simple plan in the centre.} 13.
Bg5 f6 14. Bd2 f5 {Black has gained some space on the king side, but the
weakness of the e6-square is rather disturbing.} 15. Ng5 $5 {The most direct
attempt to take advantage of the main drawback of Black's plan.} ({The more
subtle} 15. Qc1 {is a specialty of Gleizerov. The notes to 1/2-1/2 Dautov,R 
(2595)-Cebalo,M (2485)/Porto San Giorgio 1997/EXT 2000/[Dautov] (58) contain a
comprehensive Survey of this line.}) (15. Rb1 Ndf6 16. Ne1 (16. b4 Ne4 $1 $132
17. Qc2 Nhxg3 $1 18. fxg3 Nxc3 19. Bxc3 Qe3+ $17) 16... Bd7 17. Nc2 (17. a5 $5)
17... b5 18. b4 c4 19. axb5 axb5 20. Be3 (20. Nd4 $6 Ne4 21. Nxe4 Bxd4 22. Bg5
Qe5 $1) (20. Qc1 $5) (20. Kh2 $5) 20... f4 21. gxf4 Ne8 22. Nd4 (22. Qd2 Qh4 $1
) 22... Nxf4 23. Bxf4 Rxf4 24. Ne6 Bxe6 (24... Rh4 $5) 25. dxe6 Nc7 (25... Rd4
26. Qc2 Rb8) 26. Bxa8 Bxc3 27. Bg2 Qxe6 28. e3 Rf8 29. Qc2 (29. Qg4 $5) 29...
Bf6 30. Rbd1 d5 31. Qa2 Qc6 (31... Kg7 $5 32. Qa7 Rf7 33. Qc5 Rd7) 32. Qe2 Kg7
33. Rd2 (33. e4 $5) 33... Bc3 34. Ra2 Qf6 $17 {1-0 Oms Pallise,J (2476)-Marin,
M (2539)/Andorra la Vella 2003 (71)}) 15... f4 {This looks tempting, but does
not cross White's intentions in any way.} ({Black could have prevented the
instalation of the knight to e6 with} 15... Ndf6 {[%csl Gd5]} 16. Qb3 Re8) 16.
Ne6 $5 $146 (16. gxf4 Nxf4 17. Bxf4 Rxf4 18. Ne6 Rb4 19. Qc2 Nf6 20. Rfd1 Bxe6
21. dxe6 Qxe6 {1-0 Nikolic,P (2643)-De Firmian,N (2536)/Qaqortoq 2003/EXT 2004
(37)} (21... Kh8 $1 $15 {[%csl Ge6]}) 22. Nd5 $1 $16) 16... fxg3 17. f4 $5 {
Instead of aiming for immediate material gains, White is concerned about
consolidating his active knight.} (17. Nxf8 Nxf8 {would leave Black with
strong king side pressure.}) 17... Rf7 18. e4 Bd4+ 19. Kh1 Ndf6 20. f5 Ng7 21.
Bg5 Be5 22. Qb3 $44 {[%cal Ya4a5,Yb3b6,Yc3a4] White has safely defended his
e6-knight, which severly restricts Black's possibilities. With his last move,
he starts putting pressure on the queen side. Black faces a difficult
defensive task, since his far advanced extra-pawn does not present the enemy
king with any serious danger.} Qe8 23. Ne2 Nxe4 24. Bxe4 gxf5 25. Bg2 Nxe6 26.
dxe6 Bxe6 27. Qc2 Rg7 28. Bh6 Rg6 29. Be3 Qf7 30. Nf4 Bb3 31. Qd2 Rg7 32. Nd3
Re8 33. Rae1 Bc4 34. Bf4 Qf6 35. Rf3 Ree7 36. Nxe5 dxe5 37. Bh6 Rg6 38. Qd8+
Kf7 39. Qf8+ Ke6 40. Qc8+ Rd7 41. Rfe3 1-0

[Event "EU-ch 12th"]
[Site "Aix les Bains"]
[Date "2011.03.28"]
[Round "7"]
[White "Mikhalevski, Victor"]
[Black "Kurmann, Oliver"]
[Result "1-0"]
[ECO "A63"]
[WhiteElo "2584"]
[BlackElo "2446"]
[Annotator "Mikhalevski,V"]
[PlyCount "59"]
[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"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3
O-O 9. O-O a6 10. a4 Nbd7 11. Bf4 Qe7 12. h3 Nh5 13. Bg5 f6 14. Bd2 f5 15. e4
$1 {[%csl Re7] A relatively fresh idea of the Chinese Super GM Wang Hao. White
opens up the e-file exploiting the vulnerable position of Black's queen on the
e-file and White's advantage in development.} (15. Qc1 {used to be the main
line.}) (15. Ng5 {--> 1-0 Shulman,Y (2581)-Shabalov,A (2595)/San Diego 2006/
CBM 112/[Marin,M] (41)}) 15... f4 {[%cal Gd7e5] A logical alternative to
Tomashevsky's 15...fxe4. Black wants to block the e-pawn by means of ...Ne5.} (
{In the only preceding game Black played} 15... fxe4 16. Re1 Nhf6 17. Bf4 $1
Rb8 18. Re2 $1 b5 19. axb5 axb5 20. Qe1 Nb6 21. Nxe4 Nxe4 22. Rxe4 Qf6 23. Ra7
$1 $36 {1-0 Wang Hao (2715)-Tomashevsky,E (2701)/Dagomys 2010/CBM 136 (40)})
16. g4 {White's reaction is forced.} Nhf6 17. Bxf4 {During the game I
considered this move to be a must, but White may also look for alternatives.}
Nxe4 $6 {Already this capture turns out to be wrong.} (17... Nxg4 {was
necessary.} 18. Bc1 (18. Bg3 Nge5 {looks fine for Black.}) 18... Nge5 19. Ng5 {
[%csl Re6][%cal Gf2f4]} c4 20. Ne6 Rf7 21. a5 $1 $132 {and I still prefer
White, although the position is double-edged.}) 18. Bh2 {[%csl Rd6]} Nxc3 19.
bxc3 Ne5 $6 {Black underestimates my reply.} (19... Bxc3 $5 {was a better
chance with the idea to meet} 20. Ra3 {with} Rxf3 $1 {[%csl Re5] Taking
control over the important e5-square.} 21. Qxf3 Bd4 $1 (21... Be5 $6 22. Bxe5
Nxe5 23. Qb3 $1 {[%cal Gf2f4]} g5 24. f4 gxf4 25. Rxf4 $16 {[%csl Rg8]}) 22.
Qe4 $5 (22. Re3 Ne5 $1 23. Bxe5 $13 {is less clear.}) 22... Qxe4 23. Bxe4 Ne5
24. Rb1 $1 $14 {and White is better.}) 20. Bxe5 $1 ({After the straightforward
} 20. Nxe5 Bxe5 $11 {Black doesn't seem to have problems.}) 20... Bxe5 21. Re1
$1 {[%csl Re7][%cal Gf3e5] White damages Black's pawn structure and creates a
protected passed pawn on d5.} Rxf3 $1 {The best chance. Otherwise after 22.
Nxe5 White is strategically winning.} 22. Qxf3 Bd7 23. Qg3 $1 {[%cal Gf2f4]
White creates a threat of 24.f4 and thus forces a favourable change of the
pawn structure even if it is at the price of returning an exchange, which he
just won.} Qf6 24. Rxe5 $1 Qxe5 ({or} 24... dxe5 25. a5 $1 $16 {with a big
positional advantage.}) 25. Qxe5 dxe5 26. a5 $1 $16 {[%csl Ra6,Rb7][%cal Gc3c4]
Fixing Black's queenside White secures a clear positional advantage.} Bb5 {
Black prevents 27.c4.} 27. Re1 {[%csl Re5]} b6 $2 {Loses by force.} (27... Re8
{was necessary, although White retains a clear positional edge.} 28. Bf1 $1 {
[%csl Rb7] Getting access to the b7-pawn.} Bxf1 ({or} 28... c4 29. Re4 {
[%csl Rc4]} (29. g5 $5) 29... Kf7 30. Bxc4 $16) 29. Kxf1 c4 (29... Kf8 30. Rb1
Re7 (30... c4 $5 31. Rxb7 $16) 31. Ke2 $1 {[%cal Ge2d3,Gd3c4]} Rd7 32. c4 $16 {
and Black shouldn't survive.}) 30. f4 Rf8 31. Rxe5 Rxf4+ 32. Ke2 $16) 28. d6 $1
Rb8 29. Rb1 $1 {[%csl Ga5][%cal Gb1b5,Ga5b6] It seems that Black missed this
move. Now the threats of 30.Rxb5 and 30.axb6 are decisive.} c4 (29... bxa5 {
doesn't save him.} 30. c4 Kf7 31. Bd5+ Kf6 32. g5+ $1 {[%cal Gd6d7] and Black
is doomed.}) 30. Rxb5 ({The line} 30. Rxb5 axb5 31. a6 b4 32. a7 Rd8 33. a8=Q
$1 Rxa8 34. Bxa8 $18 {[%cal Gd6d7] is rather obvious and so Black resigned.})
1-0

[Event "Montreal 6th"]
[Site "Montreal"]
[Date "2005.08.05"]
[Round "3"]
[White "Mikhalevski, Victor"]
[Black "Charbonneau, Pascal"]
[Result "1-0"]
[ECO "A63"]
[WhiteElo "2572"]
[BlackElo "2509"]
[Annotator "Mikhalevski,V"]
[PlyCount "145"]
[EventDate "2005.08.03"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[EventCategory "12"]
[SourceTitle "CBM 109"]
[Source "ChessBase"]
[SourceDate "2005.11.14"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.14"]
[SourceQuality "1"]

1. d4 Nf6 {It's interesting that I expected 1...Nf6 from Shipov and 1...d5
from Pascal, but they just played it the other way round.} 2. c4 e6 3. Nf3 c5
4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O a6 10. a4 Nbd7 11.
Nd2 {[%csl Rd6][%cal Gd2c4] The knight is heading to c4 in order to attack the
weak d6-pawn, which is the main weakness in Black's position.} Nh5 {[%cal
Gf7f5] A relatively uncommon line. Black wants to play f5 as soon as possible
trying to save a few tempi comparing to the main line in which he often
returns with the rook from e8 to f8.} ({The main line runs} 11... Re8 12. h3
Rb8 13. Nc4 {and now Black chooses between} Ne5 ({and} 13... Nb6)) 12. Nce4 {
[%cal Gd2c4] White attacks the d6-pawn in order to prevent f5 and leaves the
other knight on d2 for coming to c4.} Ndf6 ({I was more concerned of} 12... Ne5
$5 {as e4 is not the best square for the knight. This would lead to some
complications after} 13. f4 Ng4 {[%csl Re3][%cal Gg4e3]} 14. Nc4 Bd7 {[%cal
Gb7b5] with the idea of b5. Here is a possible follow-up.} 15. a5 $5 Bb5 $140
16. Nexd6 Bd4+ 17. e3 Nxe3 18. Bxe3 Bxe3+ 19. Kh1 Bd4 20. Qb3 Bxc4 21. Nxc4 $14
{[%csl Rb7,Gc4,Gg2] and White is better thanks to a weakness on b7 and strong
minor pieces.}) 13. Nxf6+ Nxf6 {The most logical. The knight has nothing to do
on h5 anymore.} ({Black also tested other recaptures.} 13... Qxf6 {which looks
a bit weird as it leaves the knight on h5.} 14. Nc4 Rb8 15. a5 (15. Nb6 $5 {
1/2-1/2 Reefschlaeger,H-Kindermann,S/Germany 1984/GER-chT (20)}) 15... Bd7 16.
Rb1 b5 17. axb6 Bb5 18. b3 $14 {0-1 Derieux,C-Kovacevic,S/Massy 1992.}) ({
Even more weird looks} 13... Bxf6 {I don't see what the bishop is going to do
there. The best will be to return to g7. Then the question is why not 13...
Nxf6.} 14. Nc4 Bd4 15. e3 Bg7 16. e4 $14 {1-0 Nikolic,P-De Firmian,N/Wijk aan
Zee 1986.}) 14. Nc4 {[%csl Rd6][%cal Ga4a5,Gc1f4] preparing both to fix the
b7-pawn by means of a5 and also to attack the d6-pawn with Bf4.} Re8 15. a5 {
[%csl Rd6][%cal Gc4b6,Gc1f4] This move turns out to be a novelty, though the
arisen position is similar to the current game. White fixes the b7-pawn and
postpones Bf4. Black's next move proves that White's choice was correct.} ({
The only earlier game saw} 15. Bf4 Bf8 16. a5 Nh5 17. Bd2 Bd7 18. Nb6 Rb8 19.
e4 Bg7 20. Bc3 Nf6 21. Re1 Bb5 22. f4 Nd7 23. Nxd7 Qxd7 24. e5 $16 {and White
obtained a clear advantage. 1-0 Tkachiev,V-Bezold,M/Makarska 1997.}) 15... Bf8
16. Re1 $1 {Moving the rook away from the possible pin along the a6-f1
diagonal after Bd7-b5 and preparing e4.} Bd7 17. e4 Bb5 18. b3 $1 {My idea is
to exploit my extra pawn in the centre after the exchange on c4.} (18. Nb6 {
is less logical as after} Rb8 {with Nd7 to follow Black exchanges the knight.})
18... Bg7 19. Bb2 Bxc4 20. bxc4 Nd7 {It seems that Black is fine as he
exchanges the dark-squared bishops and remains with a "good" knight vs a "bad"
bishop, but in fact the bishop is much more active than the knight, which is
restricted by White's and Black's pawns.} 21. Bxg7 Kxg7 22. f4 $14 {[%cal
Ga1a2,Ga2e2,Gd1a1,Ge4e5] Now my plan includes regrouping of pieces by means of
Ra2-e2; Qa1 and Bh3 and when everything is ready I'm going to play e5 which is
the punchline of White's previous play.} f6 {Sooner or later Black will have
to make this move though it weakens the e6-square.} 23. Bh3 Re7 24. Ra2 Qc7 25.
Qa1 Rae8 26. Rae2 {Everything is ready and so Black moves the knight away from
a possible exchange and thus makes the e5-advance more difficult.} Nf8 27. Bg4
{I was very surprised when I analysed the game and saw Fritz chooses the same
move. Frankly speaking I made this move with the idea to weaken the kingside
by means of h4-h5, but in fact White has another hidden idea offered after the
game by Pascal.} h5 28. Bh3 {I've decided to wait and see since Black has a
restricted number of moves.} ({He suggested} 28. Bf3 $1 {[%cal Ge2e3,Gf3d1,
Gd1a4] with the idea Re3 and then Bd1-a4.}) 28... Nd7 $6 {As Pascal told me
after the game his idea was to provoke complications, but I believe it would
be better to wait.} 29. Be6 $1 {Closing the e-file and thus preparing e5.} Nf8
30. e5 $16 {Finally White succeeds in advancing the e-pawn to e5 and opens up
the position.} fxe5 31. fxe5 dxe5 $1 (31... Kh7 $2 {Loses beautifully to} 32.
Bf7 $1 {[%csl Re7,Re8]} Rxf7 ({or} 32... Rd8 33. exd6 $18 {[%csl Re7]}) 33.
exd6 $18 {[%csl Re8]}) 32. Rxe5 Kh7 {An inaccuracy.} ({It was better to
exchange the bishop at once and thus to prevent 33.Bf7!} 32... Nxe6 $1 33. dxe6
(33. Rxe6+ {is not very convincingly as after} Kh7 {White can't play} 34. d6 {
in view of} Qxd6 $1 35. Rxd6 Rxe1+ {and Black is even better.}) 33... Kh7 34.
Qb1 {-32...Kh7}) 33. Qb1 {[%cal Ge5h5] White creates the threat of Rh5.} ({
And again} 33. Bf7 $5 {exchanging all the rooks was strong thanks to a clear
superiority of the bishop over the knight and a protected passer on d5.} Rxe5
34. Bxe8 Re7 35. Ba4) 33... Nxe6 $1 ({Black can't simply move from the pin as
the white queen comes closer using a method of stairs.} 33... Kg7 34. Qb2 Kh7
35. Qc2 Kg7 36. Qc3 Kh7 37. Qd3 {adding to a threat of Rxh5 a more convincing
one - d6.} Nxe6 38. d6 Qd7 39. Qd5 Rg7 40. Rxe6 Rxe6 41. Rxe6 $16) 34. dxe6 Qd6
$1 {The best defense.} 35. Rxh5+ ({The intermediate} 35. Rd5 $5 {was also
strong.} Rxe6 (35... Qc6 $2 {loses to} 36. Rxh5+ Kg7 37. Qb2+ {with mate in
the next move.}) 36. Qxb7+ Qe7 37. Qxe7+ R8xe7 38. Rxe6 Rxe6 39. Rxc5 $16 {
and White has to be able to convert his extra pawn into a victory.}) 35... Kg7
36. Rd5 $6 {This makes White's task more difficult.} ({I've correctly rejected
both} 36. Rg5 $6 Rxe6 37. Rxg6+ Rxg6 38. Rxe8 Rxg3+ 39. hxg3 Qxg3+ 40. Kf1 Qf3+
$11 {with perpetual check.}) ({and} 36. Rhe5 $6 Rxe6 37. Qxb7+ Kh6 38. Rxe6
Rxe6 39. Rxe6 Qxe6 40. Qd5 Qe1+ 41. Kg2 Qxa5 $11 {also with equality.}) ({
However} 36. Rd1 $1 {was strong.} Qxd1+ (36... Qxe6 $2 {loses on the spot to}
37. Qb2+ Qf6 38. Rh7+ $18 {[%csl Rf6]}) 37. Qxd1 gxh5 38. Qxh5 Rxe6 39. Qxc5
$16 Re1+ 40. Kf2 R1e2+ 41. Kf3 Rxh2 42. Qc7+ Kf8 43. Qxb7 Rh6 $16 {[%csl Gc4,
Gg3] and though Black holds for a moment I believe that White's advantage is
sufficient for a win.}) 36... Qc6 37. Qb2+ $1 (37. Rde5 $6 Rxe6 38. Rxe6 Rxe6
39. Rxe6 Qxe6 40. Qxb7+ Kh6 $11 {and Black either returns material equality or
ends the game by perpetual check.}) 37... Kg8 $1 {The only possible retreat.} (
37... Kh7 $2 {loses to} 38. Re4 $1 {[%csl Rh7][%cal Ge4h4] and the rook comes
to h4 with a decisive effect.}) 38. Qf2 $1 {[%csl Rc5] As a compensation for
losing the e6-pawn I want the c5-pawn.} (38. Qf6 Rxe6 39. Rxe6 Qxe6 40. Qxe6+
Rxe6 41. Rxc5 {This rook endgame is different from the one I could obtain
earlier as White doesn't have a passer.} b6 $5 42. axb6 Rxb6 $14) 38... Rxe6
39. Rf1 $1 {It's useful to keep this pair of rooks to protect the king.} Qc7
40. Rxc5 Qe7 41. Rd5 Re2 {Black has achieved some activity in view of a number
of inaccuracies from my side, but White still has chances for a win.} 42. Qf3
$1 Re1 43. Rxe1 $1 $16 {White is not afraid of several checks as his king will
be safe on h4 or g4.} (43. Qd3 $5 Rxf1+ 44. Kxf1 Qf6+ (44... Qe1+ 45. Kg2 Re2+
46. Kh3 Qf1+ 47. Kg4 Kg7 48. Rd6) 45. Kg2 $16) 43... Qxe1+ 44. Kg2 Rf8 (44...
Re2+ {doesn't reach the goal as after} 45. Kh3 Rf2 46. Rd8+ $1 Kg7 47. Qxb7+
Rf7 48. Qd5 Qf1+ 49. Kh4 Qf6+ 50. Kg4 {the king escapes the checks.}) 45. Qd3
$1 (45. Rd1 {is wrong:} Qxa5 46. Qxb7 Qa2+ 47. Kh3 Qxc4 $11) 45... Rf2+ (45...
Kg7 $5) 46. Kh3 Qe6+ 47. g4 Qf6 {With the clear idea Rf3.} 48. Rd8+ Kh7 $2 (
48... Kg7 49. Rd7+ Kf8 50. Qd6+ Qxd6 51. Rxd6 $16) 49. Rd7+ Kh6 $4 {It's
curious that we both missed a winning reply.} ({Black had to return to g8.} 
49... Kg8) 50. Qe3+ $2 {I also missed the win.} (50. Qg3 $3 {[%cal Gg4g5] A
brilliant idea which allows to win at once. The point is that Black can't stop
g5 followed by Rh7+ withough big material losses.} Rf4 (50... g5 51. Rd6 $18)
51. g5+ Qxg5 52. Rh7+ $1 Kxh7 53. Qxg5 $18) 50... g5 $2 {[%cal Gf2f3] Black
also errs.} ({It was necessary to look for chances at the rook endgame.} 50...
Qf4 51. Qxf4+ (51. Qg3 $5) 51... Rxf4 52. Rc7 $1 $14 {and White keeps an extra
pawn, however it wouldn't be easy to convert it into a win.} (52. Rxb7 Rxc4 53.
Rb6 Kg5 54. Rxa6 Ra4 $1 55. Ra8 (55. Kg3 Rxg4+ 56. Kf3 Rh4 $11) 55... Ra3+ 56.
Kg2 Kxg4 57. a6 Ra2+ 58. Kg1 Ra1+ 59. Kf2 Ra2+ 60. Ke3 Rxh2 $11 {with a draw.})
) 51. Kg3 $1 {This way I prevented Rf3 and created a threat which he
completely missed.} Rf1 $2 {After this move there is no escape.} ({It was
necessary to exchange the queens at once.} 51... Qf4+ $1 52. Qxf4 Rxf4 {
and Black has good chances for a draw. F.e.} 53. h4 $3 (53. Rxb7 {leads only
to a draw after} Rxc4 54. Rb6+ Kg7 55. Rxa6 Rc3+ 56. Kf2 Rc2+ 57. Kf3 {White
has to give up a pawn-otherwise perpetual.} Rxh2 58. Rb6 Ra2 59. a6 Ra4 $1 60.
Rb7+ Kf6 61. a7 Ke5 62. Ke2 Ra3 $3 {Only this move saves Black as this way he
wins a tempo comparing to 62...Ra2.} (62... Ra2+ $2 63. Kd3 Kf4 64. Kc3 Kxg4
65. Kb3 Ra6 66. Rb4+ Kf3 67. Ra4 Rxa7 68. Rxa7 g4 69. Rf7+ $1 {A winning
intermediate check. Now White wins a very important tempo which allows him to
win the game.} Ke2 ({or} 69... Kg2 70. Kc2 g3 71. Kd2 Kh1 72. Ke2 g2 73. Rh7+
Kg1 74. Rg7 $18) 70. Rg7 Kf3 71. Kc3 g3 72. Kd2 $1 g2 73. Ke1 $18 {and the
king is just in time to prevent Kf2.}) 63. Kd2 Kf4 64. Kc2 Kxg4 65. Kb2 Ra6 $11
) 53... Rxc4 54. Rd6+ Kg7 55. hxg5 Ra4 (55... Rc5 $6 56. Kh4 Rxa5 $2 57. Kh5
Rb5 58. Rd7+ Kf8 59. Kh6 $18) (55... Rc1 56. Rb6 Ra1 57. Rxb7+ Kg6 58. Rb6+
Kxg5 59. Rxa6 Ra3+ 60. Kf2 Kxg4 61. Ra8 Kf4 $1 {The simplest way to a draw.} (
61... Kg5 $6 62. a6 Kg6 63. Ke2 Kf7 64. Kd2 Kg7 65. Kc2 Rh3 $3 {Hard to
believe, but this is the only move.} (65... Rf3 $2 {turns out to lose to} 66.
Ra7+ $1 Kf6 (66... Kg6 67. Rb7 Ra3 68. a7 Kf6 69. Kb2 Ra6 70. Kb3 Ke5 71. Kc4
Ra1 72. Kc5 $18) 67. Kb2 $3 Ke6 68. Ra8 Rf7 69. Kb3 Ke5 (69... Kd5 70. a7 $1
Rd7 71. Kb4 Kd4 72. Kb5 Kd5 73. Ka5 $1 (73. Kb6 $5 Rd6+ 74. Kc7 Rc6+ 75. Kb7
$18) 73... Kd4 74. Kb6 Rd6+ 75. Kc7 $18) 70. Kb4 Ke4 71. Rd8 $1 $18) (65... Re3
$2 66. Ra7+ Kf6 67. Rh7 Kg6 68. Rb7 Kf6 69. a7 Ra3 70. Kb2 Ra6 71. Kb3 Ke6 72.
Kc4 Kd6 73. Rb6+ $1 ({Also} 73. Kb5 {is enough for a win.} Ra1 74. Rb6+ Kd5 75.
Ra6 Rb1+ 76. Ka5 Kc5 77. Rc6+ Kxc6 78. a8=Q+)) 66. Kb2 (66. Ra7+ Kf6 67. Kb2 (
67. Rb7 Ke6 68. a7 Ra3 69. Kb2 Ra6 70. Kb3 Kd6 71. Kb4 Kc6 $11) 67... Rh8 68.
Rb7 Ra8 69. a7 Ke6 70. Kb3 Kd6 71. Kb4 Kc6 $11) 66... Rh2+ 67. Kb3 Rh6 $1 68.
Kb4 Rf6 $1 {A fantastic escape!}) 62. a6 Ra2+ 63. Ke1 Ke3 64. Kd1 Kd3 65. Kc1
Kc3 66. Kb1 Rb2+ 67. Ka1 Rb6 $1 $11 {and the king comes via b4 to a5(b5) with
a draw.}) 56. Rd5 Ra1 $1 {and it's not easy to make progress.}) 52. h4 $1 $18 {
[%csl Rh6] Now it's over. The threat of hxg5 forces Black to go to a lost
endgame.} Qf4+ 53. Qxf4 gxf4+ 54. Kg2 Ra1 55. Kf3 $1 {[%csl Gg4,Gh4]} Rxa5 56.
Rxb7 {The rest is easy. White exchanges a and c-pawns, picks up the f-pawn and
with two connected pawns wins without any problems.} Rc5 57. Rb6+ Kg7 58. Rxa6
Rxc4 59. g5 {[%cal Ga6f6] Preparing Rf6.} Rc3+ 60. Kxf4 Rc4+ 61. Kg3 Rb4 62.
Rf6 Ra4 63. Rf4 Ra6 64. Kg4 Rb6 65. Rd4 Ra6 66. Rd7+ Kg8 67. Kh5 Rb6 68. g6 Rb8
69. Kh6 Ra8 70. h5 Rb8 71. Rd5 Ra8 72. Kg5 Rb8 73. h6 1-0

[Event "FRA-ch 58 Championnat"]
[Site "Belfort"]
[Date "1983.08.28"]
[Round "15"]
[White "Giffard, Nicolas"]
[Black "Bernard, Christophe"]
[Result "0-1"]
[ECO "A63"]
[WhiteElo "2345"]
[BlackElo "2335"]
[Annotator "Primel,D"]
[PlyCount "144"]
[EventDate "1983.08.12"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "FRA"]
[EventCategory "2"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 c5 3. d5 d6 4. c4 (4. Nc3 $1 {[%csl Gc4] Une suite plus
dynamique notamment а l'aide la case forte "c4" disponible pour une pièce
blanche} g6 (4... e6 5. e4 exd5 6. exd5 Be7 7. Bb5+ Bd7 8. a4 O-O 9. O-O Na6
10. Re1 $5 (10. h3 Nc7 11. Bc4) 10... Nc7 11. Bxd7 Qxd7 12. Qd3 {[%csl Gc4,Gf5]
} Rfe8 13. Bg5 h6 {[%csl Rf5]} 14. Bxf6 Bxf6 15. Ne4 {[%csl Rb2]}) 5. e4 Bg7 6.
Bb5+ Bd7 7. a4 O-O 8. O-O Na6 9. h3 Nc7 10. Bc4 a6 11. a5 $14 {[%csl Rb6]})
4... g6 5. g3 Bg7 6. Bg2 O-O 7. O-O e6 8. Nc3 exd5 9. cxd5 a6 10. a4 Nbd7 11.
Bf4 $1 {[%csl Rd6]} Qe7 12. e4 (12. a5 Rb8 13. Na4 b5 14. axb6 Nxb6 15. e4 Nfd7
16. Nxb6 Rxb6 17. Nd2 Rb4 18. Ra4 Rxa4 19. Qxa4 g5 20. Be3 Ne5 21. b4 cxb4 22.
Qxb4 Bd7 23. Qb7 a5 24. Rc1 a4 25. Rc7 a3 26. Qa6 Bb5 {Nikolic,P (2585)-Tal,M 
(2610)/Reykjavik 1988/CBM 010/1/2-1/2 (52)}) 12... Ng4 13. Bg5 $6 (13. Nd2 $142
$1 {[%cal Gd1g4] plus précis pour garder l'avantage car après le repli du B,
les pièces blanches manquent de coordination.} Nge5 14. Be3 f5 15. exf5 gxf5
16. Qc2 Nf6 17. Rfe1 {[%cal Ge1e7]} Qd8 18. h3 Rb8 19. f4 Ng6 20. Nf3 $14)
13... f6 $1 (13... Qe8 14. a5 $14 {[%csl Rb6]} h6 15. Bd2 Nde5 16. Nxe5 Nxe5
17. Na4 Nc4 18. Bc3 Qb5 19. Bxg7 Kxg7 20. Qd3 Qb4 (20... Nxa5 21. Qc3+ f6 22.
Nxc5 $1 {[%csl Ra5]}) 21. Rfc1 Nxa5 22. Qc3+ Qxc3 23. Rxc3 b5 24. Nb6 {1-0
Mochalov,E (2415)-Luukkonen,T (2252)/Saint Vincent 2005/EXT 2006}) 14. Bc1 (14.
Bd2 $5 Nge5 {[%csl Rd3][%cal Ge5d3]}) 14... Nge5 $1 $11 15. Nxe5 $6 {Un
échange qui favorise les noirs mais il était difficile d'améliorer la position
blanche.} (15. Nd2 {[%cal Gf2f4,Rd2c4]} f5 16. exf5 gxf5 17. f4 $1 Ng4 18. Nf3
(18. Nc4 Bd4+) 18... Re8) (15. Ne1 f5 16. exf5 gxf5 17. h3 Nf6 18. f4 Nc4 19.
Qd3 Na5 20. Be3 Nb3 21. Rd1 c4 $1 22. Qe2 Bd7 (22... Re8 23. Nc2) 23. Nf3 Rae8)
(15. h3 Nxf3+ 16. Bxf3 Ne5 17. Bg2 c4 {[%cal Ge5d3]}) 15... fxe5 16. a5 {
Les pièces blanches sont mal placées pour utiliser la case "c4" et ce coup
naturel est probablement prématuré.  Paradoxalement ,16.a5 fait pression sur
la case faible "b6" mais perd le contrôle de la case "b5" qui va servir de
case de transit pour les pièces noires dans la suite de la partie.} (16. Be3 $1
Nf6 17. f3 Rb8 18. Qe2 {[%csl Rb5]} (18. Rb1 {[%cal Gb2b4]}) 18... Bd7 19. Rab1
$1 (19. a5 $143 b5 20. axb6 Rxb6 21. Rxa6 Bb5 22. Qxb5 $3 Rxb5 23. Nxb5 Qb7 24.
Ra5 Ne8 25. Rfa1 {[%cal Gg2f1]} Rf7 {[%cal Gg7f8]} 26. R1a4 $1 {[%cal Gb2b4]}
Bf8 27. b4 cxb4 28. Rxb4 {[%cal Ga5a7]} Bh6 $3 29. Bf2 (29. Bxh6 Qb6+ {[%cal
Gb6a5,Gb6g1]})) 19... b5 (19... a5 $5 {[%csl Rb5]}) 20. axb5 axb5 21. b4 $1 c4
22. Ra1 $16 {[%csl Rb5] Les noirs ont plusieurs faiblesses structurelles et
l'ouverture de la colonne "a" va permettre l'échange des pièces lourdes pourn
rentrer dans une finale favorable aux blancs.}) 16... Rb8 17. Be3 (17. Na4 b5
18. axb6 Nxb6 19. Nxb6 Rxb6 20. Qc2 Qb7 21. Ra2 h6 22. Bd2 g5 23. Bc3 g4 $11 {
[%csl Rf3] avec des pièces noires plus actives}) 17... b6 $1 18. axb6 Rxb6 19.
Qe2 Nf6 $1 {[%cal Gf6g4]} 20. f3 $2 {[%csl Rg2][%cal Ga1a2,Gf1a1,Rg2f1] Un
affaiblissement durable de la structure. Le Bg2 va peiner а se réactiver alors
que les pièces noires vont gagner des tempi en attaquant "f3"} (20. Qc2 Ng4 21.
Bd2 Nf6 22. h3) 20... Qb7 21. Ra2 Rf7 22. Rfa1 Qb8 23. Nd1 {[%cal Gd1b2,Ge3c1,
Rd1e3,Re3c4] Par rapport au plan habituel des blancs Nf3-d2-c4, la manoeuvre
des blancs apparait lente et artificielle.} Ne8 $1 {[%cal Ge8c7,Gc7a6,Gc7b5,
Gb5d4] Le début d'une forte manoeuvre pour activer le N. Par ailleurs,la Rf7
fait pression sur la faiblesse f3 pour empêcher une réorganisation des
positions de la Q et du Bg2} 24. Bc1 {[%cal Gd1e3,Ge3c4]} Nc7 25. Ne3 Nb5 {
[%csl Rd4]} 26. Nc4 Nd4 $132 {[%cal Gd4e2,Gd4f3] Gagnant un tempo important
sur la Q} 27. Qd1 Rb4 $36 28. Ra4 $1 Rxa4 29. Rxa4 Bd7 30. Ra3 Bb5 $1 $15 {
[%cal Gb5c4,Gb5a6] Un nouvelle pièce transite par la case forte "b5"} 31. Bf1
Qf8 {[%csl Rf3]} 32. Kg2 h5 33. h4 Kh7 34. Bg5 Bh6 35. Bxh6 Kxh6 36. Nd2 Kh7
37. Bxb5 axb5 38. Ra6 c4 39. Rb6 $4 (39. Ra1 {Giffard}) 39... Ra7 {[%csl Rb6]
[%cal Gf8d8]} 40. Qc1 Qd8 41. Rc6 {Il devait être très désagréable de mettre
sous enveloppe un coup perdant car l'ajournement devait permettre de trouver
un gain rapide des noirs.} Nxc6 42. dxc6 Qc7 43. Nf1 Qxc6 44. Ne3 Rf7 45. Nd5
c3 $1 (45... Qa6 $6 46. Qg5 {[%cal Gd5f6]} Kg7 47. Ne7 {[%csl Rg6]}) (45... Qc8
$5 46. Qg5 Kg7 47. Ne7 Qe6 48. Nd5 Ra7 49. Qd8 $1 Ra2 50. Nc7) 46. bxc3 Qc4 $1
{[%csl Ra2,Re2]} 47. Qe3 Qa2+ 48. Qf2 Qxf2+ 49. Kxf2 Kg7 50. Ke3 Ra7 51. f4 Kf7
52. Kf3 Ra3 53. Kf2 Rb3 54. Kg2 Ra3 55. Kf2 Ra2+ 56. Kf3 {Second ajournement!}
Rc2 57. Ke3 Rb2 58. Kf3 Rb3 59. Kf2 exf4 60. gxf4 {[%csl Rh4]} Rb1 $1 61. Kg2 (
61. Ke3 Rh1 62. Nc7 Rh3+ $1 63. Kd4 Rxh4 64. Nxb5 Rxf4 {[%cal Gh5h1]} 65. Nxd6+
Ke6 66. Ke3 Rg4 67. Nc4 Rg3+ 68. Kd4 h4) 61... Re1 $1 62. Kf3 Rh1 63. Kg3 Rg1+
64. Kf3 Rg4 65. Nc7 Rxh4 66. Nxb5 Rh3+ 67. Kg2 Rd3 68. Kf2 h4 69. Kg2 g5 $1 70.
fxg5 Kg6 71. Nd4 Kxg5 72. e5 dxe5 0-1

[Event "Rohde op 12th"]
[Site "Sautron"]
[Date "2012.10.27"]
[Round "6"]
[White "Ulybin, Mikhail"]
[Black "Colin, Vincent"]
[Result "1-0"]
[ECO "A63"]
[WhiteElo "2529"]
[BlackElo "2407"]
[Annotator "RR"]
[PlyCount "55"]
[EventDate "2012.10.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]
[WhiteClock "1:30:00"]
[BlackClock "1:30:00"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 (5... b5) 6. Nc3 g6 7. Nf3
Bg7 8. Bg2 O-O 9. O-O Re8 10. Bf4 a6 11. a4 Qe7 (11... Nh5) 12. h3 Nbd7 13. e4
Rb8 $6 (13... Qf8) 14. Re1 Nh5 15. Bg5 Qf8 16. g4 Nhf6 17. Bf4 h5 (17... Ne5
18. Nxe5 dxe5 19. Be3 $14 {Razuvaev,Y (2545)-Lautier,J (2450) Berliner Sommer
07th 1989 1-0}) 18. e5 $1 dxe5 19. Nxe5 hxg4 20. Nc4 {[%csl Rb8] Cette
variante Rb8 n'avait pas bonne réputation théorique et on s'perçoit qu'elle
est mal placée} Rxe1+ 21. Qxe1 Bh8 $6 (21... gxh3 22. Bd6 $13) 22. hxg4 b5 $2
23. axb5 axb5 24. Bd6 $40 Qh6 25. Bxb8 Nxb8 26. Nd6 (26. Nxb5 Nxg4 27. Qe8+)
26... Bxg4 27. Qe7 Qg7 28. Ra8 1-0

[Event "Candidates m2"]
[Site "Riga"]
[Date "1991.??.??"]
[Round "1"]
[White "Ivanchuk, Vassily"]
[Black "Yudasin, Leonid"]
[Result "1-0"]
[ECO "A63"]
[WhiteElo "2695"]
[BlackElo "2645"]
[Annotator "Rogers,I"]
[PlyCount "55"]
[EventDate "1991.01.??"]
[EventType "match"]
[EventRounds "5"]
[EventCountry "LAT"]
[SourceTitle "Candidates"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Nf3 Bg7 8. Bg2
O-O 9. O-O a6 10. a4 Nbd7 11. Nd2 Qc7 {By an unusual move order the players
have reached one of the less fashionable lines of the Modern Benoni opening, a
Yudasin favourite. However Ivanchuk has done his homework well and now comes
up with a new move which seems to unsettle Yudasin.} 12. Qb3 $1 Ne8 $6 {
Terribly passive.} ({Black should probably try} 12... Nh5 {to keep the bishop
away from f4.}) 13. Nc4 Rb8 14. Bf4 b5 $2 {A desperate pawn sacrifice which
not surprisingly fails to ease the pressure. Yudasin was obviously fearing
slow strangulation on the queenside and could not find a viable plan but the
text is simply refuted.} 15. axb5 Ne5 16. Bxe5 Bxe5 17. b6 Bf6 18. Ra3 Qb7 19.
Rfa1 Bd8 20. Na4 Bd7 {Yudasin now manages to exchange his 'a' pawn for the
powerful 'b' pawn but his pieces remain too passive to offer serious
resistance.} 21. Na5 Bxa4 22. Qxa4 Qxb6 23. Rb3 Qc7 24. Rxb8 Qxb8 25. Nc6 Qc7
26. Qxa6 Bf6 27. Bh3 $3 Bg7 ({If} 27... Bxb2 28. Rb1 {/\29.Rb7 wins.}) 28. Qb5
$1 {Black is completely helpless against the threat of 29.Ra7 so Yudasin
resigned, the first of four consecutive losses in this best of 8 match.} 1-0

[Event "Budapest FS06 GM"]
[Site "Budapest"]
[Date "1995.??.??"]
[Round "7"]
[White "Horvath, Jozsef"]
[Black "Enders, Peter"]
[Result "0-1"]
[ECO "A63"]
[WhiteElo "2515"]
[BlackElo "2480"]
[Annotator "Stohl,I"]
[PlyCount "92"]
[EventDate "1995.06.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HUN"]
[EventCategory "9"]
[SourceTitle "CBM 049"]
[Source "ChessBase"]
[SourceDate "1995.12.01"]
[SourceVersion "1"]
[SourceVersionDate "1995.12.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 O-O 5. g3 c5 6. d5 d6 7. Bg2 e6 8. O-O (8.
dxe6 Bxe6 9. Ng5 Bxc4 $5 10. Bxb7 Nbd7 11. Bxa8 Qxa8 $44) 8... exd5 9. cxd5
Nbd7 10. e4 $5 (10. Bf4 Qe7 11. h3 Nh5 $1 12. Bg5 f6 13. Bd2 f5 14. Qc2 Nb6 $6
(14... Ndf6 $142 $13) 15. Rad1 Bd7 16. e4 $1 Rae8 17. Rfe1 Bxc3 18. Bxc3 fxe4
19. Nd2 $1 Nxd5 20. Nxe4 Nxc3 21. Qxc3 $16 {[%csl Rf6,Rg7,Rh6] ׻,Stohl,
I-Enders,P/Erfurt/1994/}) 10... a6 11. a4 Rb8 (11... Ng4 $6 12. Nh4 Nge5 13. f4
Nc4 14. Re1 Rb8 15. Bf1 Na5 16. Nf3 Re8 17. Be3 Nf6 18. e5 Ng4 19. h3 Nxe3 20.
Rxe3 Bd7 21. Qc2 Bf5 22. Qf2 Nb3 23. Rae1 h5 24. Ne4 Bxe4 25. Rxe4 b5 26. axb5
axb5 27. e6 $36 {Scheeren-Stoica/Thessaloniki ol/1984/}) 12. Re1 Ng4 $5 $146 (
12... b5 13. axb5 axb5 14. Bf1 b4 (14... Ng4 15. Nxb5 (15. Nd2 Nde5 16. h3 b4
17. Nb5 c4 18. Nxc4 Nxc4 19. Bxc4 Ne5 20. Bf1 Bxh3 21. Bxh3 Rxb5 22. Qe2 Rb8
23. Ra6 Ra8 24. Rxa8 Qxa8 25. Be3 Qa2 $15 {Alburt-Sax/Subotica izt/1987/})
15... Nde5 16. h3 Nxf3+ 17. Qxf3 Ne5 18. Qe2 Rxb5 19. Qxb5 Nf3+ 20. Kh1 Nxe1
21. Qe2 Re8 22. Qxe1 f5 23. Ra8 Rxe4 24. Be3 Re8 25. b4 f4 26. Bb5 $1 $16 {
Nogly,C-Pajeken,W/Hamburg-ch/1994/}) 15. Nb5 Ne8 16. Na7 $5 (16. Qc2 Ne5 17.
Nxe5 Bxe5 18. Bh6 Bg7 19. Bxg7 Kxg7 20. e5 Bf5 21. Qc1 dxe5 22. Qxc5 Rc8 23.
Qxb4 Qxd5 24. Ra5 Qc5 25. Qxc5 Rxc5 26. b4 Rc2 27. Rxe5 Rc1 $44 {
Sosonko-Danner/Thessaloniki ol/1984/}) (16. Bf4 Rb6 17. Qc2 Bb7 18. Na7 h6 19.
Bb5 g5 20. Be3 Nc7 21. Bc6 Ba6 22. Ba4 Bb5 $13 {Ree,H-Sax,G/Amsterdam OHRA/
1983/}) 16... Qc7 (16... Bb7 $5 17. Nc6 Bxc6 18. dxc6 Nb6 $13) 17. Nc6 Rb6 18.
Bg5 Nef6 19. Nd2 Re8 20. Nc4 Ra6 21. f3 Rxa1 22. Qxa1 Bb7 23. Rd1 Ra8 24. Qc1
Ne8 25. Bf4 Ra2 26. Qb1 Ra6 {Ligterink,G-M_Chess Pro/Hague/1995/} 27. Qd3 $14)
13. Bf1 $6 (13. a5 b5 14. axb6 Rxb6 $13) 13... Nde5 {[%cal Rf7f5] /\f5|^} 14.
Nd2 (14. Nxe5 Nxe5 15. f4 Bg4 16. Be2 Bxe2 17. Qxe2 Nd7 $15 {[%csl Rd5,Re4]
[%cal Gh8b2] ה,/^h8-a1}) 14... g5 $1 (14... f5 15. f4 Nf7 16. h3 Nf6 17. exf5
gxf5 18. a5 $14) 15. h3 Nh6 16. g4 (16. Nf3 Nxf3+ 17. Qxf3 f5 $36) 16... Kh8
17. Be2 Ng8 $15 {[%csl Re5,Rf4,Rh4] ><e5,f4,h4} 18. Nf1 Ng6 19. Ng3 Nf4 20. Bf1
(20. Bxf4 $6 gxf4 21. Nf5 Be5 {[%cal Yh7h5,Yd8g5] /\Qg5,h5->}) 20... Ne7 21. h4
$6 (21. Nce2 $142 Neg6 22. Nf5 Be5 $15) 21... Be5 $1 22. h5 (22. hxg5 Neg6 {
/\Qg5-/+}) 22... Qd7 23. Nf5 (23. f3 $142 b5 24. axb5 axb5 25. Qc2 $17) 23...
Nxf5 24. exf5 (24. gxf5 $6 g4 $1 $40) 24... b5 {[%csl Rd5] ><d5} 25. axb5 axb5
26. Ra5 c4 27. Be3 f6 28. Ba7 (28. Qd2 $142 Rb7 $5 29. Rea1 b4 30. Ne4 Qc7 $17)
(28. Ne4 Bb7) 28... Ra8 $1 29. Nxb5 (29. Bb6 Bb7 $1 $19 {[%cal Rb5b4] /\b4})
29... Ba6 $1 30. Rxa6 $8 Qxb5 {White's Bishops are useless, while Black's
centralized minor pieces and central pawns will decide the game.} 31. Qa4 $8 (
31. Ra1 Qxb2 $19 {[%csl Gc4] o^c4}) 31... Qxd5 {/\Qf3-+} 32. Re3 (32. Qxc4 $2
Nh3+ $1 $19) 32... Qb7 33. h6 d5 $19 {[%csl Gc4,Gd5,Ge5] [+]} 34. Ra3 Rfc8 35.
Be3 (35. Ra5 d4 36. Rb5 Qc6 $19) 35... Qxa6 36. Qxa6 Rxa6 37. Rxa6 Bxb2 38.
Bxf4 gxf4 {[%csl Gc4,Gd5] The ^- don't help White, as the united passed
c+d-pawns will cost him a piece.} 39. Rd6 Kg8 $1 (39... c3 $2 40. Bd3 Kg8 (
40... c2 41. Bxc2 $1) 41. Bc2 $13) 40. Rxd5 c3 41. Bd3 c2 42. Bxc2 Rxc2 {
The extra piece decides, as Black has also a mating attack.} 43. Rd8+ Kf7 44.
Rd7+ Ke8 45. Rxh7 f3 $1 46. g5 (46. Rh8+ Kf7 47. h7 Rc1+ 48. Kh2 Be5+ 49. Kh3
Rh1#) (46. Kh2 Be5+ 47. Kh3 Rxf2 $19) 46... Be5 {[%cal Rc2c1] /\Rc1#} 0-1

[Event "Interzonal-14a"]
[Site "Subotica"]
[Date "1987.??.??"]
[Round "14"]
[White "Alburt, Lev O"]
[Black "Sax, Gyula"]
[Result "0-1"]
[ECO "A63"]
[WhiteElo "2575"]
[BlackElo "2570"]
[Annotator "Stohl,I"]
[PlyCount "84"]
[EventDate "1987.06.??"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "YUG"]
[EventCategory "11"]
[SourceTitle "CBM 003"]
[Source "ChessBase"]
[SourceDate "1988.04.01"]
[SourceVersion "1"]
[SourceVersionDate "1988.04.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2
O-O 9. O-O Nbd7 10. Re1 (10. e4 b5 $5 (10... a6 11. a4) 11. e5 dxe5 12. Nxb5
Ba6 13. a4 $13) 10... a6 11. a4 Rb8 12. e4 b5 13. axb5 axb5 14. Bf1 Ng4 $5 (
14... b4 15. Nb5 $14) 15. Nd2 $146 (15. Nxb5 $13) 15... Nde5 16. h3 (16. Nxb5
Qb6 17. Nc4 Nxc4 18. Bxc4 Ne5 19. Be2 f5 $44) 16... b4 17. Nb5 (17. Ncb1 $5 Nf6
18. f4 $13) 17... c4 18. Nxc4 (18. Nd4 $2 Nxf2 19. Kxf2 Nd3+ $19) 18... Nxc4
19. Bxc4 Ne5 20. Bf1 Bxh3 21. Bxh3 Rxb5 22. Qe2 $1 Rb8 (22... Rc5 $6 23. Be3
$14) (22... Ra5 $5 $13) 23. Ra6 Ra8 24. Rxa8 Qxa8 25. Be3 $6 (25. f4 Nd7 $1 {/\
} 26. Bxd7 Qa7+ {/\Qd7=/+}) (25. Bd2 $1 $13) 25... Qa2 $15 26. Rc1 Qb3 27. Rc6
$5 (27. Bf1 h5 $1 $36) 27... h5 $1 (27... Nxc6 28. dxc6 f5 29. exf5 gxf5 30.
Qb5 $44) 28. Rxd6 Nc4 29. Rc6 Nxe3 30. fxe3 (30. Qxe3 Qxb2 31. d6 b3 32. d7
Qa1+ 33. Kg2 (33. Bf1 b2 34. Rc8 b1=Q 35. Rxf8+ Bxf8) 33... b2 34. Rc8 b1=Q $19
) 30... Qxb2 (30... Bxb2 $5 31. d6 Be5 32. d7 Qb1+ 33. Kf2 Qxe4 34. Rc8 Qd5 $17
) 31. Qxb2 Bxb2 $17 {_|_} 32. d6 Be5 33. d7 (33. Rb6 $5 Bxg3 34. d7 Rd8 35.
Rxb4 Kf8 $17) 33... b3 34. Rc8 Bf6 35. Bf1 b2 36. Bd3 Rd8 37. Kf2 (37. e5 $5
Bg5 $17) 37... Kh7 38. Rc7 (38. e5 Rxd7 39. exf6 Rxd3 40. Rb8 Rd2+ 41. Kf3 g5
42. Ke4 Kg6 43. Ke5 h4 $19) 38... Kg7 39. Rb7 Be5 40. Bc2 Kf6 41. Ba4 Ke7 42.
Bc6 $6 Rb8 0-1

[Event "Santa Clara"]
[Site "Santa Clara"]
[Date "1991.??.??"]
[Round "4"]
[White "Borges Matos, Juan R"]
[Black "Ruban, Vadim"]
[Result "0-1"]
[ECO "A63"]
[WhiteElo "2385"]
[BlackElo "2575"]
[Annotator "Stohl,I"]
[PlyCount "68"]
[EventDate "1991.02.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "CUB"]
[EventCategory "9"]
[SourceTitle "CBM 026"]
[Source "ChessBase"]
[SourceDate "1992.02.01"]
[SourceVersion "1"]
[SourceVersionDate "1992.02.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 g6 6. Nc3 Bg7 7. g3 O-O 8. Bg2
d6 9. O-O a6 10. a4 Nbd7 11. Bf4 (11. Qc2 Rb8 12. a5 $6 b5 13. axb6 Nxb6 14.
Nd2 Nfd7 15. Nb3 Nc4 16. Ne4 Rb4 17. Ra2 Nde5 18. Bg5 Qb6 19. Nc1 f5 $17 {
Rohde,M-Gurevich,D,New York 1985}) (11. e4 Re8 (11... Rb8 12. a5 $5 (12. Re1 b5
13. axb5 axb5 14. Bf1 Ng4 $5 $146) 12... Qc7 13. Re1 Re8 14. Bf1 c4 15. h3 b5
16. axb6 Nxb6 17. Be3 Nfd7 18. Bd4 Nc5 19. Bxg7 Kxg7 20. Qd4+ f6 21. Nd2 $14 {
Pergericht,D-Franco,Z,Novi Sad olm 1990-TD 89_06}) 12. Re1 c4 13. h3 (13. Bf1
Qc7 $1 (13... Nc5 14. Nd2 Qc7 15. Bxc4 Bh3 16. Bf1 Bxf1 17. Kxf1 Rac8 18. Re3
Qd7 19. Kg2 Ng4 20. Re2 $14 {Alburt,L-De Firmian,N,USA-ch Estes Park 1985}) 14.
Qe2 $6 Nc5 15. Qxc4 Bg4 16. Nd2 Nfd7 $1 $146 {|^,Piket,Je-Winants,L,Wijk aan
Zee II 1987-TD 87_06}) 13... Nc5 14. Nd2 Nd3 15. Re2 Qc7 16. a5 Bd7 17. Na4 Bb5
18. Nb6 Rad8 19. Ra3 Qc5 $132 {Brenninkmeijer,J-De Firmian,N,Lugano op 1989-TD
89_01}) 11... Qe7 (11... Qc7 12. Qd2 Re8 13. Rfc1 $5 c4 14. Nd4 Nc5 15. Ra3 Bd7
16. a5 b5 17. axb6 Qxb6 18. Nc6 Nb3 19. Rxb3 cxb3 20. Bxd6 $146 {Bonin,
J-Zaichik,G,New York op 1990-EXP 16}) 12. Re1 (12. Qc2 $5 h6 (12... Nh5 $142 $5
13. Bg5 f6 14. Bd2 f5 $132) 13. Rab1 Re8 14. Rfe1 g5 $6 15. Bd2 Nb6 16. Qb3
Nbd7 17. a5 Rb8 18. Qa2 b5 19. axb6 Rxb6 20. Na4 Rb8 21. e4 $16 {Razuvaev,
Y-Ruban,V,Sochi-A 1989-CBM 16}) 12... h6 13. e4 {/\e5} (13. h3 $13) 13... Ng4
$8 14. a5 Nde5 $132 15. Na4 (15. Nxe5 Nxe5 16. Qc2 g5 $36) 15... Nxf3+ 16. Bxf3
Ne5 17. Nb6 (17. Bg2 Bg4 18. f3 Bd7 19. Nb6 Rae8 $10) 17... Rb8 (17... Nxf3+ $2
18. Qxf3 Rb8 19. Nc4 $16) 18. Bg2 Bd7 {/\Bb5} 19. b4 $6 (19. Qc2 $10) 19...
cxb4 20. Rb1 (20. Qd2 g5 21. Be3 Bb5 $17) 20... Bb5 21. Bf1 (21. Rxb4 $2 Nd3
22. Rxb5 Nxe1 $19) 21... g5 $1 22. Bxe5 (22. Bd2 g4 $40) 22... Bxe5 23. Bxb5
axb5 24. Qd3 (24. Rxb4 $2 Bc3 $19) 24... Bc3 25. Re2 Rbe8 26. f4 $2 (26. Qxb5
$142 $5 f5 27. e5 $1 dxe5 28. Nc4 $146) 26... gxf4 27. gxf4 Kh8 $40 {/\f5,ה} (
27... f5 $2 28. e5 dxe5 29. d6 Qe6 30. fxe5 $16) 28. Kh1 Rg8 29. e5 (29. Qxb5
Rg4 30. Rf1 Reg8 $40) 29... Qh4 $1 (29... dxe5 30. d6 $132) 30. Qf5 (30. exd6
Rxe2 31. Qxe2 Qxf4 32. d7 b3 33. Rg1 Rxg1+ 34. Kxg1 Bd4+ 35. Kh1 Bf6 $19) 30...
Rg4 31. Qxf7 Reg8 $19 32. Qf6+ $8 (32. e6 Qh3 33. Rf2 Rg2 $19) (32. Rf1 Bd4 $19
) 32... Qxf6 33. exf6 Bxf6 34. Rxb4 $4 (34. Rf2 b3 $19) 34... Rg1# {[Stohl,I]}
0-1

[Event "ARM-ch"]
[Site "Yerevan"]
[Date "1995.??.??"]
[Round "3"]
[White "Mirumian, Vigen"]
[Black "Minasian, Artashes"]
[Result "0-1"]
[ECO "A63"]
[WhiteElo "2415"]
[BlackElo "2565"]
[Annotator "Stohl,I"]
[PlyCount "72"]
[EventDate "1995.08.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ARM"]
[EventCategory "10"]
[SourceTitle "CBM 050"]
[Source "ChessBase"]
[SourceDate "1996.02.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.02.01"]
[SourceQuality "1"]

1. d4 c5 2. d5 Nf6 3. c4 g6 4. Nc3 Bg7 5. g3 O-O 6. Bg2 e6 7. Nf3 exd5 8. cxd5
d6 9. O-O a6 10. a4 Nbd7 11. Nd2 (11. h3 Re8 12. Nd2 Rb8 13. Nc4 Ne5 14. Na3
Bd7 15. Bg5 b5 16. f4 Nc4 17. Nxc4 bxc4 18. Rb1 Qa5 19. e4 Rxb2 20. Rxb2 Qxc3
21. Re2 Nxe4 22. Rxe4 Rxe4 23. Bxe4 Qe3+ 24. Kh2 Qxe4 25. Rf2 h6 26. Re2 Bxa4
27. Rxe4 Bxd1 {Hulak,K-Rogic,D/Vinkovci (02) 1995/0-1 (50)}) 11... Rb8 (11...
Re8 12. h3 (12. Nc4 Ne5 (12... Nb6 13. Na3 Bd7 14. Bd2 (14. Re1 Qc7 15. Rb1 Ng4
16. h3 Ne5 17. b3 c4 18. a5 Nc8 19. b4 Bf5 20. Nc2 Na7 21. Bb2 $13 {Churin,
L-Paglilla,C/Buenos Aires VII Najdorf op/1995/}) 14... Rb8 15. Qc2 Nc8 16. Rab1
b5 17. axb5 axb5 18. b4 c4 19. h3 h6 20. e4 Kh7 21. Kh2 Ng8 22. Rbe1 Rb7 23.
Qc1 Re7 24. f4 f6 25. Be3 Qe8 26. Bd4 $16 {Davies,N-Henderson,J/Hastings
op9495/1995/}) 13. Na3 Nh5 14. e4 f5 15. h3 Rf8 16. exf5 Bxf5 17. Be3 Rb8 18.
g4 Bxg4 19. hxg4 Qh4 20. f3 Nxg4 21. fxg4 Be5 22. Rf3 Qh2+ 23. Kf1 Ng3+ 24. Kf2
Bxc3 25. bxc3 Ne4+ 26. Kf1 Ng3+ 27. Kf2 Ne4+ 28. Kf1 Ng3+ 29. Kf2 {1/2/
Spangenberg,H-Fucek,C/Villa Martelli op/1995/}) (12. a5 b5 13. axb6 Nxb6 14.
Nb3 Bd7 $6 (14... Nc4 15. Qd3 Rb8 16. Qxc4 Rb4 $132) 15. Na5 Qc7 16. Ra2 (16.
Nc6 $5) 16... Bb5 17. b3 Na4 18. bxa4 Qxa5 19. axb5 Qxc3 20. bxa6 Qc4 21. Qa4
Qxa4 22. Rxa4 Reb8 23. Bf4 Ne8 24. Be4 Rb4 25. Rxb4 cxb4 26. Bd3 $16 {
Jovanovic,Mile-Tesic,D/JUG-chT Tivat/1995/}) 12... Rb8 (12... Qc7 13. Nc4 Ne5
14. Na3 b6 15. Be3 Bb7 16. Qd2 Rad8 17. Bh6 Bh8 18. f4 Ned7 19. Nc4 Nh5 20. Qd3
Ng7 21. e4 $16 {[+],Djubek,B-Berza,S/SVK-chT2/1995/}) 13. Nc4 (13. Rb1 Nh5 14.
Nc4 Ne5 15. Na3 f5 16. e4 b5 17. axb5 axb5 18. b4 Nf7 19. Qc2 cxb4 20. Rxb4
fxe4 21. Nxe4 Bd7 22. Bb2 Nf6 23. Qc3 Nh5 24. Qb3 Nf6 25. Nxf6+ Bxf6 26. Bxf6
Qxf6 27. Nxb5 Ng5 $132 {Johannessen,LE-Tisdall,J/Gausdal Int/1995/}) 13... Ne5
14. Na3 Nh5 (14... h6 15. f4 Ned7 16. Kh2 Qc7 17. Qb3 Nh7 18. e4 Kh8 19. Bd2 b6
20. Rae1 Bb7 21. Nc4 $16 {Slipak,S-Lloyd,O/Buenos Aires VII Najdorf op/1995/})
15. e4 Bd7 16. g4 Qh4 17. Re1 b5 18. axb5 axb5 19. Naxb5 Bxb5 20. Nxb5 Rxb5 21.
gxh5 Reb8 22. Ra6 Nc4 23. hxg6 hxg6 24. Qc2 Rxb2 $1 25. Bg5 Qxg5 26. Qxc4 Bd4
$19 {Seres,L-Horvath,Gy/Balatonbereny op/1995/}) 12. Nc4 (12. h3 Re8 13. Nc4 {
-11...Re8}) 12... Ne8 13. Bf4 Qe7 $146 (13... Nb6 $142 14. Na3 Bd7 (14... Na8
$2 15. Qd2 Qc7 16. Rac1 Bd7 17. Ne4 b6 18. Nc4 Bxa4 19. Ncxd6 Qd7 20. Nxf7 Nec7
21. Nfg5 Rbe8 22. d6 {1-0/Lekander,R-Kinnmark,O/SVE-ch/1972/}) 15. a5 Nc8 16.
Nc4 Bb5 17. Qb3 Nc7 $5 (17... Qd7 18. Na4 Na7 19. Nc3 Nc8 20. Na3 Na7 21. Rfd1
Nc7 22. Nc4 {1/2/Savon,V-Kapengut,A/URS-ch39 Leningrad/1971/}) 18. Rfe1 Bxc4
19. Qxc4 b5 20. axb6 Rxb6 21. Ra2 Rb4 22. Qd3 Nb6 23. Qc2 Re8 24. Rd1 Nb5 25.
Rxa6 Nd4 26. Qd3 c4 27. Qd2 Nxe2+ $1 $17 {Reefschlaeger,H-Sax,G/Lugano op/1986/
}) 14. Qd2 (14. a5 $5 g5 (14... b5 15. axb6 Nxb6 16. Na5 $36) (14... Ne5 15.
Nb6 $14) 15. Bd2 f5 16. f4 $14) 14... Ne5 15. Bxe5 (15. Nb6 Nd7 16. Nxc8 Rxc8 {
[%cal Yc5c4] /\c4<=>}) 15... Bxe5 16. Nxe5 Qxe5 17. f4 Qg7 18. e4 {[%csl Gd5,
Ge4,Gf4] [+]} f5 $8 (18... b5 19. axb5 axb5 20. Rfe1 $16) 19. Rfe1 fxe4 20.
Nxe4 b5 21. b4 $6 (21. axb5 $142 Rxb5 $5 (21... axb5 22. Ng5 $36 (22. b4 $16))
22. Ra2 $14) 21... cxb4 22. Qxb4 a5 $1 23. Qxa5 b4 $44 {[%csl Ra5] ףa5} 24.
Rab1 (24. Rad1 Bf5 $36) 24... Qd4+ 25. Kh1 Bf5 26. Red1 Qc4 27. Rdc1 Qa2 $6 (
27... Qd4 28. Rd1 $10) 28. Rxb4 $5 (28. Ra1 $10) 28... Rc8 $1 $40 {[%csl Ra5,
Rb4] ףa5,Rb4} 29. Rg1 $8 (29. Rxc8 $4 Qa1+ $19) 29... Rc2 {[%cal Rf5h3] /\Bh3!
} 30. Qb5 $1 (30. Rd4 Rxg2 $1 31. Rxg2 Qb1+ $19) (30. Ng5 Nf6 {[%cal Rf6g4] /
\Ng4}) 30... Nc7 $1 (30... Bh3 31. Qf1) 31. Qd3 $8 (31. Qf1 Nxd5 $19 {[%cal
Rd5b4,Rd5e3] /\Ne3,Nb4}) 31... Re2 (31... Nxd5 $2 32. Qxd5+ $1 Qxd5 33. Nf6+
Rxf6 34. Bxd5+ $16) 32. g4 $2 (32. Qf3 $5 Nxd5 33. Rd4 $14) (32. Qc4 $1 Qxc4
33. Rxc4 Nxd5 34. Nxd6 Ne3 35. Nxf5 $16) 32... Bxg4 33. Rb7 (33. Ng3 $142 Rf2
$44 {[%cal Rg4f3] /\Bf3}) 33... Bf5 $1 34. Rxc7 Bxe4 $19 35. Qc3 Bxg2+ 36. Rxg2
Qb1+ $1 (36... Rxg2 $4 37. Qg7#) (36... Qb1+ 37. Rg1 Qe4+ $19) 0-1

[Event "Recklinghausen"]
[Site "Recklinghausen"]
[Date "1998.07.28"]
[Round "4"]
[White "Kachiani Gersinska, Ketino"]
[Black "Pinter, Jozsef"]
[Result "1/2-1/2"]
[ECO "A63"]
[WhiteElo "2435"]
[BlackElo "2590"]
[Annotator "Stohl,I"]
[PlyCount "185"]
[EventDate "1998.07.25"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[EventCategory "12"]
[SourceTitle "CBM 067"]
[Source "ChessBase"]
[SourceDate "1998.11.30"]
[SourceVersion "2"]
[SourceVersionDate "1998.11.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3
O-O 9. O-O a6 10. a4 Nbd7 11. Bf4 $5 {An interesting move, which is certainly
no worse than the heavily played} (11. Nd2) 11... Qe7 12. h3 {[%cal Ye2e4] /\e4
} (12. a5 Rb8 13. Na4 b5 14. axb6 Nxb6 15. Nxb6 Rxb6 16. Nd2 Rb4 17. Ra4 Rxa4
18. Qxa4 Nh5 19. Nc4 Nxf4 20. gxf4 Qxe2 21. Nxd6 Bg4 22. b3 Bd4 23. h3 Bh5 24.
Qc4 Qd2 $36 {Driamin,D-Shariyazdanov,A/RUS-Cup07 Tomsk/1998/}) ({The immediate
central advance is not popular, and probably rightly so:} 12. e4 $6 Ng4 $1 13.
Nd2 Nge5 14. Be3 f5 $6 (14... Nb6 $142 $1 {[%cal Rb6c4,Re5g4] /\Nbc4,Ng4|^})
15. exf5 gxf5 16. Qc2 Nf6 17. Rfe1 Qd8 18. h3 Rb8 19. f4 Ng6 20. Nf3 h6 21.
Rab1 Ne7 22. Bf2 b5 23. axb5 axb5 24. b4 $16 {Hertneck,G-Ernst,T/Gausdal Int/
1987/}) 12... Rb8 ({Dautov, one of the greatest g3 experts, shows how to treat
the seemingly promising} 12... Nh5 13. Bg5 f6 14. Bd2 f5 15. Qc1 $1 (15. Qb3
Ne5 16. Nxe5 Bxe5 17. f4 Bg7 18. Kh2 Nf6 19. Rae1 Qd7 20. e4 fxe4 21. Nxe4 Nxe4
22. Bxe4 b5 23. axb5 axb5 24. Bc3 b4 25. Bxg7 Qxg7 $132 {Browne,W-Gurevich,D/
USA-ch/1987/}) 15... Ndf6 (15... Ne5 16. Rb1 (16. Bh6 Nxf3+ 17. Bxf3 f4 18.
Bxg7 Nxg7 19. g4 h5 20. Kg2 hxg4 21. hxg4 Bd7 $15 {Verat,L-Chabanon,J/FRA-chT/
1996/}) 16... Bd7 $5 $14 (16... Nxf3+ 17. Bxf3 Nf6 18. b4 Ne4 19. Nxe4 fxe4 20.
Bg2 b6 21. Be3 a5 22. bxc5 bxc5 23. Qc2 Ba6 24. Rb6 $16 {Gleizerov,E-Mololkin,
A/Volgograd/1995/})) (15... Rb8 16. Rb1 Nhf6 17. b4 cxb4 18. Rxb4 Nc5 19. Bh6
Bd7 20. a5 Rbe8 21. Bxg7 Kxg7 22. Qb2 h6 23. Nd2 Kh7 24. Nc4 $16 {Kachiani
Gersinska,K-Womacka,M/Schoeneck/1996/}) 16. Bh6 (16. Ng5 $5 $36) 16... Bd7 17.
a5 Rae8 18. Bxg7 Kxg7 19. Ra3 Bc8 20. Re1 Qd8 21. Nd2 Nd7 22. Nc4 Ne5 23. Nxe5
Rxe5 24. f4 Ree8 25. Nb1 Nf6 26. Nd2 Bd7 27. Qc3 Kg8 28. b4 cxb4 29. Qxb4 Bb5
30. e3 $14 {Dautov,R-Cebalo,M/Porto San Giorgio op/1997/}) (12... Re8 $142 $5
13. Re1 Qf8 14. e4 Nh5 15. Bd2 Ne5 16. Nxe5 Bxe5 17. Kh2 Bd7 18. f4 Bd4 19. Ne2
Bxb2 20. Rb1 Bg7 21. Rxb7 Bc8 22. Rb3 Nf6 23. Ng1 Nd7 $132 {Gleizerov,
E-Magerramov,E/Pavlodar/1987/}) 13. Rb1 ({About equivalent is} 13. e4 $5 Ne8
14. Re1 b5 15. axb5 axb5 16. Ra7 $5 (16. Qe2 b4 17. Nb5 Rb6 18. Na7 Bb7 19. e5
{1/2,Drasko,M-Velimirovic,D/JUG-ch/1995/}) 16... Qd8 17. Bf1 b4 18. Na4 f6 19.
b3 Ne5 20. Nxe5 fxe5 21. Be3 Nc7 22. h4 Bd7 23. Nb2 Nb5 24. Bxb5 Bxb5 25. Qg4
Qc8 26. Qxc8 Rfxc8 $14 {Sorokin,M-Hoffman,A/Buenos Aires Boca Juniors/1998/})
13... c4 $146 (13... Re8 $5 14. Re1 Nh5 15. Bg5 Qf8 16. e4 b5 17. axb5 axb5 18.
g4 Nhf6 19. Nd2 h5 20. Bxf6 Nxf6 21. g5 Nd7 22. f4 c4 23. f5 Be5 24. Nf3 Nc5
$15 {Hausner,I-Cebalo,M/Banja Luka/1981/}) (13... Nh5 14. Bg5 f6 15. Bd2 f5 16.
Qc1 $1 Ne5 17. b4 cxb4 18. Rxb4 a5 19. Rb3 Bd7 20. Bg5 Bf6 21. Bxf6 Nxf6 22.
Nd4 Rfc8 23. Qe3 Qf7 24. Rfb1 Nc4 25. Qg5 b6 26. Nc6 Bxc6 27. dxc6 d5 28. Rd1
Rxc6 29. Nxd5 $16 {[%csl Ra5,Rb6,Rf5,Rg6] ׻,<< Goldin,A-Horvath,T/EUCup Gr5/
1996/}) (13... h6 14. e4 $5 Nh5 15. Bd2 Ne5 16. Nxe5 Qxe5 17. f4 Qe7 18. Kh2 b5
19. axb5 axb5 20. b4 Qc7 21. bxc5 Qxc5 22. Na2 $16 {Dautov,R-Matthias,H/
Lippstadt/1991/}) 14. b4 $1 $36 cxb3 $6 (14... Nh5 $5 15. Bg5 $8 (15. Bd2 $2
Nxg3 $1 16. fxg3 Bxc3 $17) 15... f6 16. Bd2 f5 17. Rc1 $14) 15. Rxb3 h6 (15...
Nc5 16. Rb6 Nfe4 17. Nxe4 Nxe4 18. Qd3 Bd7 (18... g5 19. Nxg5 $1 Nxg5 20. Bxd6
Qd8 21. Rfb1 $16) 19. Nd2 $16) 16. Qc1 g5 17. Qe3 $1 Qxe3 18. Bxe3 $16 {
[%csl Rb7,Rd6][%cal Gb1b8] _|_><d6,b7,<->b,[+] Model play by White lead to a
strategical nightmare for Black.} Re8 19. Ba7 Ra8 20. Bd4 Re7 21. a5 Ne8 22.
Bxg7 Kxg7 23. h4 {White doesn't need to force g4.} (23. Nd4 $16) 23... g4 24.
Nd4 Nc5 25. Rb4 Rc7 $6 (25... Bd7 $142 $16) 26. Nd1 $1 {Very good piece play
by White.} Re7 (26... f5 27. Ne3 Kf6 28. f3 $1 $40 (28. Ndxf5 Bxf5 29. Rf4 Ng7
30. Nxf5 Nxf5 31. e4 Nb3 32. Rxf5+ Kg7 $44)) 27. Ne3 Kh7 28. Rc1 Bd7 29. Rb6
Rc8 30. Nc4 $18 Bb5 (30... Ne4 31. Rxb7 N8f6 32. Nf5 $18) 31. Nxd6 Nxd6 32.
Rxd6 Bd7 (32... Bxe2 33. Nf5 Re5 34. Rxh6+ Kg8 35. Nd6 Rc7 36. Nxf7 $1 $18) 33.
e3 h5 34. Rb6 (34. Ne2 Bf5 35. Nf4 Bg6 (35... Ne4 36. Rxc8 Nxd6 37. Rd8 Rd7 38.
Rxd7 Bxd7 39. Nxh5 $18) 36. Rb6 $18) 34... Ree8 35. Bf1 $6 (35. Ne2 $5 {
[%csl Rh5] ><h5}) 35... Kg7 36. Bg2 Na4 $5 37. Rxc8 Bxc8 38. Rb4 (38. Rd6 $5)
38... Nc5 39. Rc4 (39. Ne2 $1 $18) 39... Nd3 40. Rc7 Kf6 41. d6 $6 {White
forces matters prematurely.} (41. f4 {/\e4-e5} gxf3 $8 42. Bxf3 Bg4 $1 43. Bxg4
hxg4 44. Nc2 Re5 $132) (41. Kf1 $5 {[%cal Yf1e2,Yf2f4] /\Ke2,f4,e4}) 41... Rd8
42. d7 $6 (42. Bxb7 Bxb7 43. Rxb7 Rxd6 $16 {[%csl Rf2] <=>><f2}) (42. f4 $5 $16
) 42... Bxd7 43. Bxb7 Nb4 44. Rc4 (44. Ne2 Bb5 45. Nf4 Rd1+ 46. Kh2 Rd2 47.
Nxh5+ Kg6 48. Nf4+ Kf6 49. Kg2 Nc2 $44) 44... Nd3 45. Rc3 (45. Bxa6 Ra8 $14)
45... Ne5 $1 (45... Nb4 46. Rb3 {[%cal Rb7a6] /\Ba6+-}) 46. Rb3 (46. Bxa6 Ra8
$14) 46... Nc4 47. Bxa6 Nxa5 48. Rb6+ Be6 $8 (48... Kg7 $2 49. Rd6 Ra8 50. Bd3
$40) (48... Ke7 $2 49. Rh6 $18) 49. Rb5 (49. Nxe6 fxe6 50. Be2 $5 Rd2 51. Kf1
$14 {[%csl Ra5,Rh5][%cal Rf2f3] /\f3,><h5,פa5}) 49... Rd5 50. Rxd5 $6 {
Without the R Black's task becomes easier.} (50. Rb8 $142 $36) 50... Bxd5 51.
Ne2 Be4 52. Kf1 Bg6 53. Bb5 Nb7 54. Nf4 Nc5 55. Bc6 (55. Ke2 $5 $14) 55... Nd3
56. Nxd3 (56. Nxg6 fxg6 {><f2} 57. f3 gxf3 58. Bxf3 Ne5 $11 {and Black sets up
an unbreakable blockade, as the N always has enough squares to control e5 from.
}) 56... Bxd3+ 57. Ke1 Ke5 58. f4+ gxf3 59. Bxf3 Bg6 $11 {[%csl Rh5] With only
one weakness Black's defense is rather simple.} 60. Kd2 f6 61. Kc3 Bf7 62. Kd3
Bg6+ 63. Ke2 Kd6 64. g4 {The only try, but now it's enough for Black to give
his B for the e-pawn to draw.} hxg4 65. Bxg4 Ke7 66. Kf3 Kf7 67. Kf4 (67. e4
Bxe4+ $1 68. Kxe4 f5+ 69. Bxf5 Kg7 $11) 67... Kg7 68. Bf5 Bh5 69. Ke4 Bf7 70.
Bg4 Bb3 71. Kf5 Bc4 72. Bh5 (72. h5 Bb3 73. h6+ Kxh6 74. Kxf6 Bd5 $11) 72...
Bb3 73. Be8 Bd5 74. Kf4 Kh6 75. Kf5 Kg7 76. Kg4 Be6+ 77. Kf4 Bd5 78. Kf5 Bg2
79. Ke6 Be4 80. Ke7 Bc2 81. Bf7 Be4 82. Bh5 Bg2 83. Bg4 Be4 84. Be2 Bg2 85. Bd1
Be4 86. h5 Bg2 87. Bc2 Bf3 88. Bg6 Bg2 89. Ke6 Bf3 90. Be8 Be4 91. h6+ Kxh6 92.
Kxf6 Bg6 $1 93. Bxg6 ({To advance the pawn by interpolating the B White must
allow Black's K back into the game.} 93. Bd7 Be4 $1 (93... Kh7 $2 94. Bf5 Kh6
$8 95. e4 $18) 94. Bf5 Bc6 95. Ke5 Kg7 96. Be4 Ba4 $11) (93. Bc6 Bc2 $11)
1/2-1/2

[Event "Interzonal-14c"]
[Site "Zagreb"]
[Date "1987.??.??"]
[Round "3"]
[White "Nikolic, Predrag"]
[Black "Barlov, Dragan"]
[Result "1/2-1/2"]
[ECO "A63"]
[WhiteElo "2620"]
[BlackElo "2555"]
[Annotator "Stohl,I"]
[PlyCount "123"]
[EventDate "1987.08.01"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "YUG"]
[EventCategory "12"]
[SourceTitle "CBM 004"]
[Source "ChessBase"]
[SourceDate "1988.06.01"]
[SourceVersion "1"]
[SourceVersionDate "1988.06.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 Bg7 8. Bg2
O-O 9. O-O a6 10. a4 Nbd7 11. Bf4 Qe7 12. a5 $1 b5 $6 (12... Ng4 13. Na4 $5 $14
) (12... Rb8) (12... Ne8) 13. axb6 Nxb6 14. e4 $1 (14. Nd2 $6 {/\Nd2-b3-a5} Rb8
15. Nb3 Nc4 16. Ra4 Nb6 17. Ra2 Nc4 18. Qd3 Nd7 19. Qxc4 Rb4 20. Qd3 Rxb3 $10)
14... Ng4 15. h3 Ne5 16. Nxe5 dxe5 (16... Bxe5 17. Bxe5 Qxe5 18. f4 Qd4+ 19.
Qxd4 cxd4 20. Na4 $16) 17. Be3 $16 {><a6,c5,Bg7} Nc4 18. Bc1 Bd7 (18... Nd6 19.
b3 {/\Ba3|^}) 19. Qc2 Rfc8 20. Rd1 Nd6 21. Bf1 c4 22. Na4 Qd8 23. Be3 Rcb8 24.
Nc5 Bb5 25. Ra2 Qc8 26. h4 Bf8 27. Qc3 (27. Rda1 Nf5 $1 $14) 27... Qg4 28. Re1
Re8 29. Bg2 Qc8 30. Kh2 h5 31. Qc2 Nb7 $1 32. Na4 Qc7 33. Bf1 Nc5 $14 34. Nxc5
Bxc5 35. Bxc5 Qxc5 36. Ra3 Qb4 37. Rc1 Rec8 38. Rc3 Kg7 39. Qb1 {/\b3} (39.
Bxc4 Bxc4 40. Rxc4 Rxc4 41. Qxc4 Qxb2 42. Rc2 Qb6 $14) 39... Rab8 40. Qa2 (40.
b3 Qc5 $132) 40... Rd8 41. Kg2 (41. R1c2 Ba4 $1 42. Rxc4 Bxc2 43. Rxb4 Rxb4
$132) 41... Rdc8 42. Be2 Rc7 43. Qa3 a5 44. Qa2 a4 45. R1c2 Rbc8 46. Qa3 Qc5
47. d6 Rd7 48. Bxc4 Qxa3 49. bxa3 Bxc4 50. Rxc4 Rxc4 51. Rxc4 Rxd6 52. Rxa4 Rd3
$44 53. Ra5 Kf6 54. a4 Ra3 55. Ra6+ Kg7 56. Ra7 Kf6 57. a5 Kg7 58. a6 Kf6 59.
Kf1 Ra2 60. Kg1 Ra4 $1 61. Kg2 (61. f3 Ra3 $10) 61... Rxe4 62. Rb7 (62. Rb7 Ra4
63. a7 Ke6 $10) 1/2-1/2

[Event "Interpolis"]
[Site "Tilburg"]
[Date "1992.10.08"]
[Round "1.1"]
[White "Smyslov, Vassily V"]
[Black "Grooten, Herman"]
[Result "1-0"]
[ECO "A63"]
[WhiteElo "2530"]
[BlackElo "2405"]
[Annotator "Stohl,I"]
[PlyCount "125"]
[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. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Bg2 g6 7. Nf3 Bg7 8. O-O
O-O 9. Nc3 a6 10. a4 Nbd7 11. Bf4 Qe7 12. Qd2 (12. h3 Nh5 (12... h6 13. e4 $1
g5 14. Be3 Rb8 (14... Nxe4 15. Nxe4 Qxe4 16. Nxg5 $16) 15. a5 b5 16. axb6 Rxb6
17. Qc2 Ne8 18. Nd2 Rb4 19. Nb3 Ne5 20. Na5 $16 {Alburt,L-Fedorov,V,New York
op 1992,TD 92_05}) 13. Bg5 f6 14. Bd2 f5 15. Bg5 Nhf6 16. Rb1 h6 17. Bd2 Ne4
18. Nxe4 fxe4 19. Ne1 Ne5 $36 {Ulibin,M-Hall,J,Oakham 1992,CBM 30}) 12... Ng4 (
12... Rb8 13. Bh6 b5 14. Bxg7 Kxg7 15. axb5 axb5 16. b4 Nb6 $1 17. bxc5 dxc5
18. Nxb5 Nbxd5 19. Nc3 Rd8 20. Rfc1 Rb4 $10 {Margot-Wedberg,St Martin op 1991})
13. h3 {N} (13. Rab1 Nde5 14. b4 b6 15. bxc5 bxc5 16. h3 Nxf3+ 17. exf3 Ne5 18.
Rbe1 Qc7 19. Bxe5 Bxe5 20. Rxe5 $5 dxe5 21. f4 Rb8 22. d6 Qa5 23. fxe5 Be6 $15
{Korchnoi,V-Hulak,K,Wijk 1983}) 13... Nge5 14. Nxe5 Nxe5 15. a5 Bd7 (15... Rb8
16. Na4 $1 {/\} Nc4 17. Qc2 Nxa5 18. Nxc5 $16) 16. Rfb1 $1 (16. Bh6 $6 Nc4 $15
{><a5,b2}) 16... Rab8 (16... Rfb8 $142 $5 {/\} 17. Bh6 Bh8 $132) 17. Bh6 (17.
b4 $6 Rfc8 $36) 17... Nc4 18. Qf4 Bxh6 19. Qxh6 b5 (19... Qd8 20. Qf4 Ne5 21.
b4 $36) 20. axb6 Rxb6 21. b3 Ne5 22. Qe3 (22. f4 $2 Ng4 $1 23. hxg4 Qe3+ $17) (
22. Qc1 $5 $14 {/\f4+-}) 22... Rfb8 (22... Bf5 $5 23. Rb2 (23. f4 $2 Bxb1 24.
Rxb1 Nc6 $1 $19) 23... Qf6 $132 {/\Nc4}) 23. Nd1 g5 (23... Bf5 24. Rb2 $14 {
/\f4,g4} (24. f4 $6 Bxb1 25. Rxb1 c4 $44)) 24. Qc3 (24. f4 gxf4 25. gxf4 Ng6
$13) 24... Qf6 (24... f5 $5 25. f4 gxf4 26. gxf4 Ng6 27. e3 Nh4 $132) 25. Qc1
h6 (25... h5 $5) (25... Rxb3 26. Rxb3 Rxb3 27. Rxa6 Bb5 28. Ra8+ Kg7 29. Rb8
$14) 26. Ne3 Bc8 27. Qc2 $14 Rb4 28. Ra4 $1 Rxa4 $6 (28... Kg7 $142 $14) 29.
bxa4 Rxb1+ $8 30. Qxb1 Bd7 31. Qb8+ Kg7 32. a5 {><a6,d6} Qg6 33. g4 (33. Qb6 $5
f5 (33... Bb5 34. g4 $16) 34. Qxa6 f4 35. Nc4 $16) 33... h5 $132 34. gxh5 Qf6 (
34... Qxh5 $2 35. Qxd6 $18) 35. Qb7 g4 36. hxg4 (36. Qxa6 $2 gxh3 $40) 36...
Nxg4 37. Nxg4 Bxg4 38. Qxa6 Bxh5 39. e3 (39. Qb5 $5 {/\} Qa1+ 40. Bf1 $16)
39... Qg6 (39... Qa1+ $142 40. Bf1 Bf3 $132) 40. Qf1 Bf3 41. a6 Bxd5 42. a7 $16
{o^a} Ba8 43. f3 Kf8 44. Qa1 Ke7 45. e4 {/\Qb2-b8} Qh6 46. Qc3 f5 (46... Kd7
47. e5 dxe5 48. Qxe5 Qc1+ 49. Bf1 $16) 47. exf5 Qf6 48. Qe3+ Kd7 49. Kh2 (49.
f4 $5 {/\} Qa1+ 50. Kh2 Bxg2 51. Kxg2 Qxa7 52. Qe6+ Kc6 53. f6 $18) 49... c4 (
49... Qxf5 $4 50. Bh3 $18) 50. f4 d5 (50... Qh4+ 51. Kg1 Qg4 52. Qe6+ Kc7 (
52... Kd8 53. Qxd6+ Kc8 54. Qf8+ $18) 53. Qxc4+ Kb6 54. Qd4+ $18) 51. Bh3 Kc7 (
51... d4 52. Qe6+ Qxe6 53. fxe6+ Ke7 54. Bg2 $18) 52. Qc5+ (52. Qe5+ $2 Qxe5
53. fxe5 c3 $132) 52... Qc6 53. Qxc6+ Bxc6 54. f6 $18 Kd6 (54... c3 55. Bf5 $18
) 55. Kg3 c3 56. Bf5 c2 $8 (56... d4 57. Kh4 $18 {/\Kg5-g6-g7,f7}) 57. Bxc2 Ke6
58. Kf2 Kxf6 59. Ke3 Ke6 60. Kd4 Kd6 61. Bb3 Bb7 62. f5 Ba8 63. f6 (63. f6 Ke6
64. f7 Kxf7 65. Bxd5+ $18) 1-0

[Event "Olympiad-34"]
[Site "Istanbul"]
[Date "2000.11.07"]
[Round "10.1"]
[White "Ivanchuk, Vassily"]
[Black "Topalov, Veselin"]
[Result "1/2-1/2"]
[ECO "A63"]
[WhiteElo "2719"]
[BlackElo "2707"]
[Annotator "Stohl,I"]
[PlyCount "86"]
[EventDate "2000.10.28"]
[EventType "team-swiss"]
[EventRounds "14"]
[EventCountry "TUR"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]
[WhiteTeam "Ukraine"]
[BlackTeam "Bulgaria"]
[WhiteTeamCountry "UKR"]
[BlackTeamCountry "BUL"]

1. d4 {Bangiev} Nf6 2. c4 e6 3. Nf3 c5 4. d5 d6 5. Nc3 exd5 6. cxd5 g6 7. h3 a6
{One of the best ways to avoid the unpleasant A70 line} (7... Bg7 8. e4 O-O 9.
Bd3) 8. a4 Qe7 {Bangiev: 'Eine interessante Idee mit dem Ziel den Vorstoss 9.
e4 und damit die ganze Variante zu vermeinden.'} (8... Bg7 {Bangiev} 9. e4 {
In dieser Variante hat Weiss in der letzten Zeit gute Ergebnisse erreicht.}) 9.
g3 ({The most often played alternative is} 9. Bg5 {but even here White finds
it difficult to get a tangible edge after} Bg7 10. e3 h6 11. Bh4 O-O 12. Nd2
Nbd7 13. Be2 Ne5 14. O-O g5 15. Bg3 Bf5 16. a5 Rae8 17. Ra4 Nfd7 18. e4 Bg6 19.
Re1 Qd8 20. Nf1 c4 $1 21. Ne3 Nc5 22. Bxe5 Bxe5 23. Rxc4 Bxc3 24. Rxc3 Nxe4 25.
Rb3 Re7 $132 {Danailov,S-Marin,M/Benasque op/2000/}) 9... Bg7 10. Bg2 O-O (
10... Ne4 $5 11. Nxe4 Qxe4 12. O-O O-O 13. Nd2 Qe7 14. Nc4 Nd7 15. Bf4 Ne5 16.
Nb6 Rb8 17. Qd2 Qc7 18. a5 Bd7 19. Rac1 Bb5 20. Rfe1 Nd7 21. Nxd7 Qxd7 22. Bh6
Bxh6 23. Qxh6 f5 24. e4 Rbe8 25. exf5 Qxf5 26. Qd2 Qd3 {1/2,Atalik,S-Ionescu,C/
Balkaniad Mangalia/1992/}) 11. O-O (11. Nd2 Nbd7 12. Nc4 Ne5 13. Nb6 Rb8 14.
O-O Nfd7 15. Nxc8 Rfxc8 16. a5 b5 17. axb6 Rxb6 18. Ra4 Nf8 19. f4 Ned7 20. Qd3
Rb4 21. Rxb4 cxb4 $13 {Lipinsky,F-Cebalo,M/Bled op/1997/}) 11... Nbd7 12. Bf4 {
More active than} (12. Nd2 Nh5 $5 13. Kh2 f5 14. f4 $6 Ndf6 15. Nc4 Bd7 16. Nb6
Rae8 17. e3 Qd8 18. a5 Bb5 19. Nxb5 axb5 20. g4 $2 Nxg4+ 21. hxg4 Qh4+ 22. Kg1
fxg4 23. Bd2 g3 24. Rf3 Qh2+ 25. Kf1 Nxf4 26. exf4 Bd4 27. Be3 Bxe3 {0-1,
Arbakov,V-Milov,V/Bad Ragaz op/1994/}) 12... Rb8 (12... h6 13. e4 $5 g5 14. Be3
Rb8 (14... Nxe4 $142 15. Nxe4 Qxe4 16. Nxg5 Qg6 $13) 15. a5 b5 16. axb6 Rxb6
17. Qc2 Ne8 18. Nd2 Rb4 19. Nb3 Ne5 20. Na5 Bd7 21. f4 Nc4 22. Nxc4 Rxc4 23.
Rxa6 $16 {Alburt,L-Fedorov,V/New York/1992/}) 13. Rb1 {Bangiev: '/\b4'} Ne8 $5
$146 {[%mdl 8] A typical Benoni move, the N is better placed here, than on h5.
Bangiev: 'Ein neuer Plan an dieser Stelle, der allerdings für vielen Abspiele
der Benoni-Verteidigung typisch ist.'} (13... Nh5 14. Bg5 Bf6 (14... f6 15. Bd2
f5 16. Qc1 $14) 15. Bxf6 Nhxf6 16. Qd2 b5 17. axb5 axb5 18. b4 Ba6 19. Qa2 Rb6
20. Rfc1 Ne4 21. Nxe4 Qxe4 22. Ng5 Qe5 23. Ne4 Rc8 24. Qa5 c4 25. Qa1 f5 26.
Qxe5 dxe5 27. Nc3 e4 28. Ra1 Nf6 29. f3 $16 {[%csl Ra6,Rb5] ><b5,Ba6,Shipov,
S-Rustemov,A/Orel/1997/}) (13... h6 14. Qc1 (14. b4 {Bangiev} Nh5 15. Qc1 Nxf4
16. gxf4 $36) 14... g5 15. Bd2 Nb6 16. h4 g4 17. Nh2 Kh7 18. b4 $1 (18. Qc2+
Kh8 19. b3 Nbd7 20. Qc1 Kh7 21. Qc2+ {1/2,Itkis,B-Marin,M/Bucharest/1999/})
18... c4 19. b5 $36) 14. Qd2 {Bangiev: 'Weiss strebt danach, den Bg7
abzutauschen.'} ({Perhaps more testing was} 14. Bg5 $5 f6 15. Bf4 f5 (15... b5
16. axb5 axb5 17. b4 $16) 16. Qc1 Ne5 17. Nxe5 dxe5 $13) 14... Nb6 (14... Nc7 {
Bangiev} 15. Qe3 Qxe3 16. fxe3 Bxc3 17. bxc3 Nxd5 18. Bxd6 Nxc3 19. Rb3 Ne4 20.
Bxb8 Nxb8 21. Rc1 Nc6 $13 {1-0 Najer,E-Khomyakov,V/Moscow 1994/(58)}) 15. Bh6 (
15. e4 Bd7 (15... Bxc3 16. bxc3 Nxa4 17. e5 $40) 16. Qc2 Nc4 {[%cal Yb7b5] /
\b5<=>} (16... f5 17. Rfe1 $36 {[%cal Ge1e8] <->e})) 15... Nc4 16. Qc1 Bxh6 17.
Qxh6 Ne5 {Bangiev: 'Schwarz versucht durch den angebotenen Abtausch von
Springer, die schwarzen Felder zu stärken.'} (17... b5 $142 18. axb5 axb5 19.
b4 Nf6 $5 $132) 18. b4 (18. Nxe5 dxe5 $5 {[%cal Re8d6] /\Nd6=} (18... Qxe5 19.
Qd2 {/\b4|^})) 18... Nxf3+ 19. Bxf3 Bf5 20. e4 $2 {Very natural, but now a
clever tactical blow gives Black an advantage. Topalov exploits the
unprotected white minor pieces to win material.} (20. Rb2 cxb4 (20... Qe5 21.
Rc1 Rc8 (21... cxb4 {Bangiev} 22. Rxb4 Nf6 23. Bg2 Rfc8 24. Qd2 Bd7 $14) 22. b5
$14) 21. Rxb4 Rc8 22. Rc1 Rc5 23. g4 (23. e4 Bxh3 $1 24. Qxh3 Qf6 25. Kg2 Rxc3
26. Rxc3 Qxc3 27. Rxb7 Nf6 $11) 23... Bc8 24. Ne4 $14) (20. Rb3 $5) 20... cxb4
21. Rxb4 Bxh3 $1 {[%mdl 64]} 22. Qxh3 Qf6 $15 23. Kg2 Qxc3 24. Rfb1 Nf6 25. Qh4
$5 (25. Rxb7 Rxb7 26. Rxb7 Qd4 27. Qh4 Rc8 $17) 25... Nd7 26. Be2 (26. Rxb7
Rxb7 27. Rxb7 Nc5 28. Rb1 (28. Re7 Nd3 $40) 28... Re8 $5 $15) 26... Rfe8 $6 (
26... Nc5 $142 27. Rh1 Qg7 28. Rb6 Rfe8 $15) 27. Rxb7 Rxb7 28. Rxb7 Nc5 29. Re7
$1 Rxe7 (29... Rb8 $2 30. Qf4 $16) 30. Qxe7 Qe5 (30... Qc2 31. Qxd6 Qxe2 32.
Qxc5 Qxe4+ 33. Kg1 Qxa4 34. d6 {and it's Black who must try to scrape a draw
by giving a perpetual.}) 31. Qxe5 dxe5 32. a5 $8 Kf8 33. f4 f6 34. Kf3 Ke7 35.
Ke3 Kd6 36. Bf1 Kc7 37. Kf3 Kd6 {Black can't improve his position.} (37... Kb7
{[%cal Rc5b3] /\Nb3} 38. Bc4 Ka7 {/\Nb7} 39. d6 Kb7 40. Bg8 h6 41. Bf7 $132)
38. Bc4 Nb7 39. Bxa6 Nxa5 40. Bc8 Nb3 41. Ke3 Nc5 42. Bh3 Kc7 43. Be6 Kd6 (
43... Kd6 44. Bg8 h6 45. Bf7 $11) 1/2-1/2

[Event "Oakham YM"]
[Site "Oakham"]
[Date "1992.??.??"]
[Round "9"]
[White "Ulybin, Mikhail"]
[Black "Hall, Jesper"]
[Result "1/2-1/2"]
[ECO "A63"]
[WhiteElo "2585"]
[BlackElo "2370"]
[Annotator "Stohl,I"]
[PlyCount "94"]
[EventDate "1992.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ENG"]
[SourceTitle "CBM 030"]
[Source "ChessBase"]
[SourceDate "1992.10.01"]
[SourceVersion "1"]
[SourceVersionDate "1992.10.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3
O-O 9. O-O a6 10. a4 Nbd7 11. Bf4 Qe7 (11... Ne8 12. Qd2 Nb6 13. Bh6 Nc4 14.
Qc1 Na5 15. Bxg7 Nxg7 16. Rb1 Bg4 17. b4 cxb4 18. Rxb4 Bxf3 19. Bxf3 Rc8 20.
Qa1 $14 {Adorjan,A-Mascarinas,R,Bacolod 1991-EXP 23}) 12. h3 (12. Re1 h6 $1 13.
e4 Ng4 14. a5 Nde5 15. Na4 Nxf3+ 16. Bxf3 Ne5 17. Nb6 Rb8 18. Bg2 Bd7 {Borges
Mateos,J-Ruban,V,Santa Clara 1991-CBM 26} 19. Qc2 $13) (12. a5 Ng4 $5 13. Bg5
f6 14. Bd2 b5 15. axb6 Nxb6 16. h3 Nh6 17. b4 cxb4 18. Na4 Nxa4 19. Rxa4 a5 20.
Bxb4 Ba6 $132 {Gleizerov,E-Shestoperov,A,Budapest Spring op 1990-EXP 17}) (12.
Qc2 Nh5 $5 13. Bg5 f6 14. Bd2 f5 $13) 12... Nh5 $1 (12... Ne8 $6 13. Bg5 f6 14.
Bd2 Rb8 15. Rb1 Ne5 16. Nxe5 Qxe5 17. f4 Qe7 18. e4 Bd7 19. f5 $1 $16 {(),
Petrosian,K-Jurkovic,A,Belgorod-B 1991-TD 91_03}) (12... Rb8 13. Rb1 h6 14. e4
$1 Nh5 15. Bd2 Ne5 16. Nxe5 Qxe5 17. f4 Qe7 18. Kh2 b5 19. axb5 axb5 20. b4 Qc7
21. bxc5 Qxc5 22. Na2 $16 {Dautov,R-Matthias,M,Lippstadt 1991}) 13. Bg5 f6 14.
Bd2 (14. Bc1 f5 15. Nd2 Ne5 16. f4 Nf7 17. Kh2 Bd7 18. a5 Rfe8 19. e4 fxe4 20.
Ndxe4 Nf6 21. Re1 Bb5 $13 {Verat,L-Bernard,C,Clichy 1990}) 14... f5 15. Bg5 $6
{N} (15. Qb3 Ne5 16. Nxe5 Bxe5 17. f4 Bg7 18. Kh2 Nf6 19. Rae1 Qf7 {Browne,
W-Gurevich,D,Estes Park US-ch 1987}) 15... Nhf6 16. Rb1 h6 17. Bd2 Ne4 $36 18.
Nxe4 fxe4 19. Ne1 (19. Nh4 $2 Kh7 20. Qc2 Nf6 {פh4}) 19... Ne5 20. Nc2 Nc4 $6
(20... b5 $142 $5 21. axb5 axb5 22. b4 Bd7 23. Ne3 Ra2 $15) 21. Bc1 $8 (21. Bc3
$6 e3 $17) 21... b5 22. b3 Ne5 (22... Nb6 23. Ne3 (23. axb5 $6 axb5 24. Ne3 Ra2
$36 {/\b4,Ba6}) 23... Bd7 24. a5 $5 Nc8 25. Qc2 $13) 23. Ne3 Bd7 24. axb5 axb5
25. Qc2 $132 {><e4} (25. Bxe4 $6 Bxh3 $17) 25... Nf3+ $5 26. exf3 exf3 27. Bh1
Bxh3 $44 {ץh1} 28. Rd1 (28. Qxg6 $5 Bxf1 29. Kxf1 $13 {<=>><f3}) 28... Qf7 {
/\Bd4|^} 29. Bb2 Ra2 30. Qc1 Bd7 $1 {/\g5-g4()} 31. Bxg7 Qxg7 32. Ra1 $8 Rxa1
33. Qxa1 g5 34. Qa7 (34. Qxg7+ Kxg7 35. g4 h5 $1 36. gxh5 Kh6 $44) 34... Rf7
35. Qb8+ (35. Qb6 Qe5 $13) 35... Qf8 36. Qxf8+ Kxf8 37. g4 Rf4 38. Kh2 h5 $1 $8
39. gxh5 Rh4+ 40. Kg1 (40. Kg3 $4 Rh3#) 40... g4 41. Ra1 Rxh5 $10 42. Ra7 Ke8 (
42... Ke7 $2 43. Nxg4 Rg5 44. Bxf3 $16) 43. Ra8+ (43. Rxd7 $6 Kxd7 44. Nxg4 Rh3
45. Nh2 c4 $17) 43... Ke7 44. Rg8 Kf7 45. Rd8 $10 (45. Rxg4 $2 Bxg4 46. Nxg4
Rxd5 $19) 45... Ke7 46. Rg8 Kf7 47. Rd8 Ke7 {[Stohl]} 1/2-1/2

[Event "Herzliya"]
[Site "Herzliya"]
[Date "1993.??.??"]
[Round "9"]
[White "Boensch, Uwe"]
[Black "Gruenfeld, Yehuda"]
[Result "0-1"]
[ECO "A63"]
[WhiteElo "2525"]
[BlackElo "2535"]
[Annotator "Stohl,I"]
[PlyCount "108"]
[EventDate "1993.11.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "ISR"]
[EventCategory "10"]
[SourceTitle "CBM 039"]
[Source "ChessBase"]
[SourceDate "1994.04.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.04.01"]
[SourceQuality "1"]

1. d4 {Boensch} Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Bg2 g6 7. Nf3
Bg7 8. O-O O-O 9. Nc3 a6 10. a4 Nbd7 11. h3 (11. e4 Rb8 12. Bf4 Qe7 13. a5 Ng4
14. h3 Nge5 15. Nd2 b5 16. axb6 Nxb6 17. Qc2 h5 $132 {Szamos-Meduna/Hlohovec
op/1993/}) (11. Bf4 Qe7 12. a5 Rb8 13. h3 h6 $5 14. e4 g5 15. Bc1 b5 16. axb6
Nxb6 17. Re1 Nfd7 18. Bf1 Ne5 19. Nxe5 Qxe5 20. Be3 Nd7 21. f4 $13 {1/2:1/2/
Savcenko,S-Gurevich,V/Ukraine-ch/1989/}) 11... Rb8 12. Bf4 Qe7 13. a5 (13. Rb1
$5 h6 14. e4 (14. b4 $6 Nh5 15. Qc1 (15. Bd2 $2 Nxg3 $1 16. fxg3 Bxc3 $17)
15... Nxf4 16. gxf4 Re8 17. Qd2 {Goldin,A-Yedidia,J/New York op/1993/} cxb4 18.
Rxb4 Nc5 $36) 14... Nh5 15. Bd2 Ne5 16. Nxe5 Qxe5 17. f4 Qe7 18. Kh2 b5 19.
axb5 axb5 20. b4 $36 {Dautov,R-Matthias,R/Lippstadt/1991/}) (13. e4 b5 (13...
Ne8 14. Qd2 b5 15. axb5 axb5 16. Ra7 b4 17. Na4 Rb7 18. Rxb7 Bxb7 19. Re1 Nc7
20. e5 $1 Nxd5 21. exd6 Qd8 22. Bh6 $36 {Bartels,H-Dizdarevic,E/Berlin op/1988/
}) 14. axb5 axb5 15. Ra7 Nh5 16. Bg5 Bf6 17. Bxf6 Qxf6 18. Re1 Re8 19. Qd3 c4
20. Qd4 Ne5 21. Nxe5 dxe5 22. Qc5 Qb6 23. Qxb6 Rxb6 24. Rea1 Nf6 $132 {
Vanheste,J-Grooten,H/Dieren op/1988/}) 13... b5 $5 (13... Nh5 14. Bg5 f6 15.
Bd2 f5 16. Re1 Ne5 17. Nxe5 Bxe5 18. e3 b5 19. axb6 Rxb6 20. Na4 Rb8 21. Qc2 g5
22. Bc3 g4 23. h4 Nf6 24. Bxe5 Qxe5 25. Nc3 $13 {Savcenko,S-Ragozin,E/
Leningrad-chT/1989/}) 14. axb6 Nxb6 (14... Rxb6 15. Qc2 $14 {/\e4}) 15. e4 Nfd7
(15... Nc4 16. Qe2 $1 (16. b3 Nh5 17. Bg5 f6 $15) 16... Nxb2 $2 17. Bc1 $18)
16. Rc1 (16. Qc2 $5 Nc4 17. b3 Nce5 18. Nd2 $14 {/\Be3,Rae1,f4}) 16... Nc4 17.
b3 Nce5 18. Nxe5 Nxe5 19. Be3 c4 $1 $132 20. bxc4 (20. f4 $2 Nd3 $17) 20...
Nxc4 21. Bd4 Nb2 22. Qd2 Bxd4 $5 (22... Nc4 23. Qd3 Nb2 $10) 23. Qxd4 a5 24.
Nd1 $6 (24. Rc2 Rb4 (24... Ba6 25. Ra1 Rb4 $13) 25. Qd2 Nc4 26. Qc1 {/\Na2} Ba6
$132) 24... Rb4 25. Qc3 Na4 26. Qa1 Qd8 $1 $15 27. Ne3 (27. Nc3 Nc5 28. Rb1 Ba6
$36) 27... Nc5 28. Rxc5 $5 dxc5 29. Rc1 (29. e5 $142 $5 $132) 29... a4 30. e5 (
30. Rxc5 Qb6 31. Rc1 $8 Bd7 32. e5 Rc8 $17) 30... Qb6 31. e6 $5 Rd4 (31... fxe6
32. dxe6 Bxe6 33. Nd5 $132) 32. Nc4 (32. e7 Re8 33. Nc4 Qa6 {-32.Nc4}) 32...
Qa6 33. e7 Re8 34. d6 $1 Be6 $1 {? Boensch} (34... Rxc4 $2 35. Rxc4 Qxc4 36.
Bc6 Qd3 37. Qf6 $1 (37. Bxe8 Qxd6 38. Qe1 Be6 $17) 37... Bxh3 $1 $8 38. Kh2 Qf1
39. Qf3 $3 $18 (39. d7 Bxd7 40. Bxd7 Rxe7 41. Qxe7 Qxf2+ $15)) (34... Rxd6 $1
$16 {Boensch}) 35. Rd1 $5 {! Boensch: ein Hammer.} a3 (35... Rxc4 $142 $1 36.
Bf1 (36. d7 Bxd7 37. Rxd7 Qe6 $17) 36... Bd7 37. Qa2 {+- Boensch} Rc1 $3 38.
Bxa6 Rxd1+ 39. Kh2 Rxd6 $17) (35... Qxc4 $6 36. Bc6 Qa6 37. Bxe8 Qxd6 38. Rxd4
cxd4 39. Bxa4 Qxe7 40. Qxd4 Bxh3 41. Bc6 $10) 36. Rxd4 cxd4 37. Bd5 $1 $8 Bd7
38. Qa2 (38. Ne5 $142 $5 Qxd6 $8 39. Bxf7+ (39. Qxd4 Be6 40. Ng4 $1 Bxg4 $8 41.
Bxf7+ Kxf7 42. Qxd6 a2 $17) 39... Kg7 40. Bxe8 Bxe8 $15) (38. Qxa3 $1 {Boensch}
Qxa3 39. Nxa3 d3 40. Kf1 $18) 38... Kg7 39. Bxf7 (39. Qxa3 $1 {Boensch}) 39...
Rc8 (39... Kxf7 $2 40. Ne5+ $18) 40. Kh2 Qb5 $19 {Boensch} 41. Nxa3 Qe5 (41...
Qf5 $1 {Boensch}) 42. Nc4 Qe4 {?? Boensch} (42... Qf5 $1 {Boensch}) 43. Qa7 Qf5
$1 $17 {/\Qf2,Kf7} (43... Bc6 $2 44. Bd5 $1 $18) 44. Qxd4+ (44. e8=Q $10 {
Boensch} Rxe8 45. Bxe8 Qxf2+ 46. Kh1 Qf1+ 47. Kh2 Qf2+ $10) 44... Kxf7 45. g4 (
45. Ne5+ Ke6 46. Nxd7 Kxd7 $19) 45... Qc5 (45... Qf6 $6 46. Ne5+ (46. Qxf6+ $1
{Boensch} Kxf6 47. Nb6 $18) 46... Ke8 (46... Kg7 $2 47. g5 $18) 47. Qd5 Qe6 48.
Qd4 $5 $44) 46. Qf4+ Kg8 47. Nd2 $1 (47. Ne5 Qxd6 48. Qf7+ Kh8 49. Qf4 $5 (49.
Kg2 Bc6+ $19 (49... Qxe5 $4 50. Qf8+ Rxf8 51. exf8=Q#)) 49... Qxe7 50. Qd4 Qg7
$1 51. Nf7+ Kg8 52. Qxd7 Rf8 $19) 47... g5 {? Boensch} 48. Qf6 Qd5 49. Nf3 Bc6
50. Kg3 {? Boensch} (50. Qxg5+ Qxg5 51. Nxg5 Bd7 52. Nf3 Kf7 $19) (50. h4 $1 {
Boensch} gxh4 51. Kh3 $16) 50... Qd3 (50... Qxf3+ $2 51. Qxf3 Bxf3 52. d7 $18)
(50... Ra8 51. Nxg5 $5 $13) 51. Qxg5+ $2 (51. Qe6+ Kg7 52. Qe5+ Kf7 $19) (51.
Kh2 $5 $8 Qd5 52. Kg3) 51... Kf7 52. Qf5+ (52. Qf4+ Ke8 53. Qf8+ Kd7 $19) 52...
Qxf5 53. gxf5 Bxf3 54. Kxf3 (54. d7 Rg8+ 55. Kxf3 Kxe7 $19) 54... Rc6 0-1

[Event "Cannes m1"]
[Site "Cannes"]
[Date "1999.10.20"]
[Round "5"]
[White "Tkachiev, Vladislav"]
[Black "David, Alberto"]
[Result "1-0"]
[ECO "A63"]
[WhiteElo "2648"]
[BlackElo "2544"]
[Annotator "Stohl,I"]
[PlyCount "81"]
[EventDate "1999.10.15"]
[EventType "match"]
[EventRounds "8"]
[EventCountry "FRA"]
[SourceTitle "CBM 074"]
[Source "ChessBase"]
[SourceDate "2000.02.01"]
[SourceVersion "1"]
[SourceVersionDate "2000.02.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. g3 Bg7 6. Bg2 O-O 7. Nf3 e6 8. O-O
exd5 9. cxd5 a6 ({It's cleverer to delay the interpolation of a6,a4, as in
some lines this might weaken the b6-square and Black's <<.} 9... Nbd7 10. Bf4
Qe7 11. h3 h6 $5 (11... Nh5 12. Bg5 f6 13. Bd2 f5 14. Qc1 $1 $14) 12. Re1 (12.
e4 g5 13. Bd2 Rb8 14. Rb1 b5 15. b4 Nxe4 16. Nxe4 Qxe4 17. Nxg5 Qg6 18. Nf3 c4
19. Rc1 Ne5 20. Nxe5 Bxe5 21. Bc3 Bxc3 22. Rxc3 Bf5 23. Re1 Rfe8 $11 {Gurevich,
D-De Firmian,N/USA-ch/1994/}) 12... g5 13. Bd2 Nb6 14. e4 Nc4 15. Bc1 Nd7 16.
Bf1 Nce5 17. Nh2 Ng6 18. a4 a6 19. Be3 Rb8 20. Qc2 Qf6 21. Qd2 Qd8 22. Rab1 f5
23. exf5 Rxf5 {Poluljahov,A-Ruban,V/Anapa/1991/} 24. Bd3 Nde5 25. Bxf5 Bxf5 26.
Rbd1 Bxh3 $44) 10. a4 Nbd7 11. Bf4 Qe7 12. Rb1 $1 (12. Qc2 Nh5 $5 (12... h6 13.
Rab1 Re8 14. Rfe1 g5 15. Bd2 Nb6 16. Qb3 Nbd7 17. a5 Rb8 18. Qa2 b5 19. axb6
Rxb6 20. Na4 Rb8 21. e4 Ng4 22. b4 cxb4 23. Rxb4 Rxb4 24. Bxb4 $16 {Razuvaev,
Y-Ruban,V/Sochi 1989/}) 13. Bg5 f6 14. Bd2 f5 $132) (12. Qc1 Re8 13. Bh6 Rb8 (
13... Bh8 $5 $13) 14. Bxg7 Kxg7 15. a5 b5 16. axb6 Nxb6 17. Nd2 h5 18. h3 Na8
19. Nc4 $36 {Bernstein,S-Reshevsky,S/New York/1959/}) 12... Nh5 $6 $146 (12...
Ng4 $142 $1 13. Bg5 Bf6 (13... f6 $142 14. Bd2 f5 $132 {/\} 15. b4 $2 Bxc3 16.
Bxc3 Ne3 $1 $15) 14. Bxf6 Ndxf6 15. b4 $2 (15. h3 {[%cal Yb2b4] /\b4+/=}) 15...
cxb4 16. Rxb4 Ne3 $17 {Predein,V-Bazhin,A/Podolsk/1993/}) (12... Re8 13. b4 Ng4
14. Qb3 cxb4 15. Qxb4 Nc5 16. h3 Ne5 17. Nxe5 Bxe5 18. Bxe5 Qxe5 19. a5 Bd7 20.
Rfd1 Rac8 21. Qd4 Qh5 22. Kh2 Rcd8 23. Rb6 Bc8 24. e3 Qe5 25. Qxe5 Rxe5 26. Rd4
Re7 27. Nd1 Bf5 28. Nb2 Bc2 29. Rc4 Be4 30. Rd4 Bc2 31. Rdb4 Rdd7 32. Kg1 Bd3
33. Rd4 Bb5 34. Bf1 Bxf1 35. Kxf1 $16 {Mochalov,E-Belichev,N/Yalta/1995/ A
strategic ideal for White, Black has no <=> for his compromised pawn structure
in an _|_.}) 13. Bg5 f6 14. Bd2 f5 15. Ng5 $1 (15. b4 f4 $132) 15... Ndf6 16.
b4 c4 (16... cxb4 17. Rxb4 $16 {[%cal Rg5e6] <->b,/\Ne6}) (16... b6 $5 17. bxc5
bxc5 18. Qb3 $36 (18. Ne6 $6 Bxe6 19. dxe6 Rab8 $13)) 17. b5 $36 {[%csl Rc4]
><c4} a5 (17... h6 18. Ne6 $1 Bxe6 19. dxe6 Rab8 (19... Qxe6 20. Bxb7 $16) 20.
e4 (20. Qc1 Qxe6 21. Bxh6 $14) 20... Qxe6 21. exf5 Qxf5 22. h3 $44 {[%csl Rh5]
פh5}) (17... Ne4 18. Ngxe4 fxe4 19. Qc2 $5 e3 (19... Bf5 20. Bxe4 Bxc3 21.
Bxf5 Bxd2 22. Be6+ $16) 20. fxe3 $16) 18. b6 Ne4 $2 (18... h6 $142 $5 19. Ne6 (
19. Nf3 Ne4 20. Rc1 $14) 19... Bxe6 20. dxe6 Rab8 21. Nd5 Qxe6 22. Bxa5 $14)
19. Ngxe4 fxe4 20. Rc1 {[%csl Rc4,Re4]} ({Taking the pawn is premature, White
patiently waits for a more suitable moment.} 20. Nxe4 $6 Bf5 21. f3 (21. Bg5
Qe5 22. f4 Qd4+ 23. Qxd4 Bxd4+ 24. Kh1 Bxe4 25. Bxe4 Rae8 $36 {[%csl Gc4,Rg5]
o^c,ץg5}) 21... c3 $44) 20... Nf6 (20... Bf5 21. Nb5 $16 (21. h3 $2 e3 $1 22.
Bxe3 Nxg3 $40)) 21. Bg5 Bf5 22. Nb5 Rac8 23. Qd2 {[%csl Ra5,Rb7]} Qe5 (23...
Rc5 24. Qxa5 Rxd5 (24... Qe5 25. Bf4 Qxd5 26. Rfd1 $18) 25. Rxc4 $16) 24. Bf4
$1 Qxd5 25. Nxd6 Rc6 (25... Qxd2 26. Bxd2 Rcd8 27. Nxc4 $18) 26. Nxc4 $18 {
Now Black's position falls apart.} Rfc8 (26... Rxc4 27. Qxd5+ Nxd5 28. Rxc4
Nxb6 29. Rc7 Nxa4 30. Rxb7 $18 {/\} Nc3 $2 31. Rxg7+ Kxg7 32. Be5+) 27. Bc7
Rxc4 {Desperation, but Black will lose another pawn:} (27... Qxd2 28. Nxd2 Rxc1
29. Rxc1 Bh6 30. e3 Bf8 31. Rc4 Re8 32. Rd4 $5 Bc5 33. Rd8 $18) 28. Qxd5+ Nxd5
29. Rxc4 Nxb6 30. Rcc1 Nxa4 31. Bxa5 Bc3 (31... Nc3 32. Bxc3 Bxc3 33. Rb1 e3
34. Bd5+ $1 $18) 32. Bxc3 Nxc3 33. Rc2 e3 34. Rb2 exf2+ 35. Kxf2 (35. Rxf2 $2
Nd1 $16) 35... b5 36. Ra1 h5 37. Rb4 Kg7 38. Ra3 {[%cal Rb4b3] /\Rbb3} Bc2 $8
39. Ke1 Rc5 40. Ra7+ Kf6 41. Ra6+ (41. Ra6+ Ke7 42. Rc6 Rxc6 43. Bxc6 Ba4 44.
Kd2 Kd6 45. Bf3 Nd1 46. Rxa4 $18) 1-0

[Event "Dortmunder Schachtage-A 18th"]
[Site "Dortmund"]
[Date "1990.04.14"]
[Round "9"]
[White "Lobron, Eric"]
[Black "Wahls, Matthias"]
[Result "1/2-1/2"]
[ECO "A63"]
[WhiteElo "2545"]
[BlackElo "2565"]
[Annotator "Wahls,M"]
[PlyCount "127"]
[EventDate "1990.04.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "GER"]
[EventCategory "13"]
[SourceTitle "CBM 018"]
[Source "ChessBase"]
[SourceDate "1990.10.01"]
[SourceVersion "1"]
[SourceVersionDate "1990.10.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 Bg7 8. Bg2
O-O 9. O-O Re8 10. h3 a6 11. a4 Nbd7 12. Bf4 Qe7 13. e4 Rb8 $2 (13... Qf8 14.
Re1 (14. g4 h5) 14... Nh5 15. Bg5 h6 16. Bd2 (16. Be3 Nhf6) 16... Ne5 $10 17.
g4 Nxf3+ 18. Qxf3 Nf6 19. Bxh6 Bxh6 20. Qxf6 Bg7 21. Qh4 Bd7 $44) 14. Re1 Nh5
15. Bg5 Qf8 16. g4 Nhf6 17. Bf4 $16 Ne5 18. Nxe5 dxe5 19. Be3 b6 20. Qd3 Qd6
21. Bf1 h5 22. f3 Nh7 23. Re2 Bf6 24. Qd2 Kh8 25. Rc1 Bd7 26. Rg2 Ra8 27. b3
Reb8 28. Nb1 Be7 29. Kh1 Qf6 30. d6 Bxd6 31. Rd1 Bf8 32. Qf2 Be6 33. Bc4 b5 34.
Bd5 Bxd5 35. exd5 bxa4 36. bxa4 Rb3 37. gxh5 Qf5 38. Nd2 Rd3 39. hxg6 fxg6 40.
Rdg1 Qxh3+ 41. Rh2 Qf5 42. Rg5 Qf7 43. Nc4 Rxd5 44. Rg4 Ra7 45. Qg3 Qf5 46. Bg1
Qe6 47. Rb2 Nf6 48. Rxg6 Rh7+ 49. Kg2 Qf7 50. Be3 e4 51. fxe4 Rdh5 52. Bg1 Nxe4
53. Ne5 Nxg3 54. Nxf7+ Rxf7 55. Rxg3 Bg7 56. Rb8+ Kh7 57. Rc8 Rff5 58. Rc6 Rhg5
59. Rxg5 Rxg5+ 60. Kf1 Rg4 61. Rxa6 c4 62. Rc6 c3 63. Be3 Rxa4 64. Ke2 1/2-1/2

