[Event "Goch op 24th"]
[Site "Goch"]
[Date "2013.09.08"]
[Round "7"]
[White "Sumets, Andrey"]
[Black "Burg, Twan"]
[Result "1/2-1/2"]
[ECO "E23"]
[WhiteElo "2585"]
[BlackElo "2490"]
[Annotator "CB"]
[PlyCount "77"]
[EventDate "2013.09.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GER"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. a3 Bxc5 7. Nf3 O-O 8.
Bg5 Nd4 (8... h6 9. Bh4 d5 {The alternative was to accept an isolated pawn.}
10. cxd5 exd5 11. Bxf6 (11. Rd1 d4) 11... Qxf6 12. Nxd5 Qg6 {With some
compensation for the pawn because the white king needs time to get into safety.
}) 9. Nxd4 Bxd4 10. e3 Qa5 11. exd4 Qxg5 12. g3 e5 {With his king still in the
middle I decided to open the centre.} (12... d5 {The alternative. I thought it
would be difficult to develop my bishop from c8, but after} 13. f4 Qg6 14. c5
Bd7 15. Rd1 b6 {he has some weaknesses and I can play on the queenside.}) 13.
h4 Qg4 14. dxe5 Qf3 ({After} 14... Re8 15. Be2 Rxe5 16. Kf1 {He can slowly
castle. White has a small advantage because of the backward pawn on d7.}) 15.
exf6 Re8+ (15... Qxh1 {When I just take the rook he has nice compensation for
the exchange. My d-pawn is backward and he has a very nice square for his
knight on d5.} 16. O-O-O Qf3 17. fxg7 Re8 18. Bd3 d6 19. Qc2 $36) 16. Kd2 d5 (
16... Qxh1 17. Nd5 d6 18. Qd3 $14) 17. Bd3 d4 (17... Bf5 {Probably the best
but white gets a lot of material for his queen.} 18. Bxf5 Re2+ 19. Nxe2 Qxb3
20. Bc2 Qxb2 21. cxd5 Rd8 22. Rhc1 $14) (17... Qxf2+ {I wanted to play this
but he runs away with his king.} 18. Kc1 Qe3+ 19. Kc2 $18) 18. Rae1 dxc3+ 19.
Qxc3 Qxf2+ 20. Kc1 $1 ({Of course not} 20. Be2 Bg4 $19) 20... Bf5 21. Bxf5 Qxf5
22. fxg7 b5 {Instead of passive defence I wanted to keep making counterplay.}
23. c5 a5 24. Rhf1 (24. Rxe8+ Rxe8 25. Rd1 (25. b4 Re4 26. Rd1 f6 27. Rd4 $16)
25... b4 26. axb4 axb4 27. Qxb4 Ra8 28. Qd4 Ra1+ 29. Kd2 $18) 24... Rxe1+ 25.
Rxe1 b4 {Now I have good counterplay already.} 26. Qe5 Qf2 27. Kb1 bxa3 28.
bxa3 Qf3 29. Ka2 Rd8 30. Rb1 Qd3 (30... Rd2+ 31. Rb2 Rd8 {It is very difficult
for white to make progress.} 32. Rc2 Rd3 33. a4 Ra3+ 34. Kb2 Rb3+ $11) 31. Rc1
Qb5 32. Qb2 Qc6 33. Ka1 (33. Qc3 $1 $14 {Controlling some important squares.})
33... Rd3 $1 $11 {Now black has enough counterplay for the draw.} 34. Re1 Rd5
35. Qb8+ Kxg7 36. Qb2+ Kg8 37. Qb8+ Kg7 38. Qb2+ Kg8 39. Qb8+ 1/2-1/2

[Event "World-ch13 Alekhine-Bogoljubow +11-5=9"]
[Site "GER/NLD"]
[Date "1929.09.07"]
[Round "2"]
[White "Bogoljubow, Efim"]
[Black "Alekhine, Alexander"]
[Result "1/2-1/2"]
[ECO "E23"]
[Annotator "ChessBase"]
[PlyCount "101"]
[EventDate "1929.09.06"]
[EventType "match"]
[EventRounds "25"]
[EventCountry "GER"]
[SourceTitle "MainBase"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 (5... Na6 6. a3 Bxc5 7. Nf3
b6 {Elikases-Botvinnik/Moscow/1936}) 6. Nf3 Bxc5 (6... Ne4 7. Bd2 Nxd2 (7...
Nxc5 8. Qc2 f5 9. a3) 8. Nxd2 Bxc5 9. e3 (9. g3 $142 {/\10.Bg2, 11.0-0}) 9...
O-O 10. Be2 f5 11. O-O-O b6 12. a3 $2 (12. Nf3 $142) 12... Bb7 13. Bf3 $6 Qh4
$1 14. g3 {ץf3} Qf6 15. Qa4 $6 (15. Qc2 $142) 15... a6 $1 16. Qc2 (16. Nb3 b5
$1 17. cxb5 axb5 18. Qxb5 (18. Qh4 g5 {/\19... Ba3}) 18... Bxa3 $1 {Ftacnik})
16... Be7 17. Kb1 (17. Na4 b5 18. Nb6 Rad8 19. c5 d6 $1 $40 {פb6}) 17... b5 $1
18. c5 (18. cxb5 axb5 19. Nxb5 Rfb8 {/\20... Ba6 21.Nc3 Ba3} 20. Nc3 Bxa3 21.
bxa3 Nd4 $1 22. exd4 Be4+ $19) 18... b4 19. axb4 Nxb4 20. Qb3 Bxf3 21. Nxf3
Rab8 22. Na4 $1 f4 $1 23. exf4 Qf5+ 24. Kc1 Bxc5 $40 {Najdorf}) (6... O-O 7.
Bg5 Qa5 $5 8. Bxf6 gxf6 9. Rc1 {N} Bxc5 10. e3 (10. g3 $5) 10... b6 11. Be2 Bb7
12. O-O Be7 13. Rfd1 Ne5 $5 14. Ne1 (14. Nxe5 Qxe5 15. Rd4 Bd6 {/\ Bc6}) (14.
Nb5 Nxf3+ 15. Bxf3 Bxf3 16. gxf3 Rfd8 17. Qc3 $1) 14... Bc6 15. a3 Rad8 16. Qa2
Ng6 $8 17. Rd4 (17. Nd5 Bxd5 $8 18. cxd5 Rc8 $1 $10 {/\} 19. d6 $4 Bxd6) 17...
Qe5 18. Rcd1 f5 19. Bf3 a6 20. Qb3 Qa5 21. Qc2 Bf6 22. R4d3 Qe5 $8 (22... Ne5
$2 23. b4 Qxa3 24. Nd5 $18) 23. Rd6 Be7 24. R6d2 {Piket-Wirthenson/Hamburg/1991
} Qg7 $10) 7. Bg5 h6 (7... b6 8. e4 Be7 {N} (8... Nd4) 9. Be2 Bb7 10. e5 Ng4
11. Bf4 $1 f5 (11... Qb8 $5 12. Rd1 $5 (12. Qb5 $2 Bc5 13. Ne4 a6 $17) (12. Nb5
$5 Ngxe5 13. Nxe5 Nxe5 14. Qg3 Bf6 15. O-O $44) 12... Ngxe5 13. Nxe5 Nxe5 14.
Qb5 Bf6 $8 15. Bxe5 Bxe5 16. Qxd7+ $13) 12. exf6 Nxf6 13. O-O O-O 14. Bg3 Nh5
15. Rad1 {/\ Rd2, Rfd1+/=|^[+]  Akopian,V-Shneider,A/URS-ch /1991}) 8. Bxf6
Qxf6 9. e3 b6 10. Be2 Bb7 11. Ne4 Qe7 12. O-O O-O 13. Rad1 Rfd8 14. a3 Rac8 15.
Qc2 d5 16. cxd5 exd5 17. Nxc5 bxc5 18. Rfe1 d4 19. Bd3 dxe3 20. Rxe3 Qf6 21.
Rde1 (21. Qxc5 Nd4 $17) 21... Nd4 22. Nxd4 cxd4 23. R3e2 (23. Qxc8 $2 dxe3 $19)
23... g6 (23... Qg5 24. f4 Qg4 $2 (24... Qh4 $5 $14) 25. Bf5 $18) 24. Qd2 Ba6
$1 25. Bxa6 (25. h3 $142) 25... Qxa6 26. Qxh6 d3 (26... Qxe2 $6 27. Rxe2 d3 28.
Re6 $1 $10 (28. Re1 $2 d2 29. Rd1 (29. Kf1 $5) (29. Re8+ Rxe8 30. Qxd2 Rc2 $19)
29... Rc1 30. Rxc1 d1=Q+ 31. Rxd1 Rxd1#)) 27. Rd2 Re8 28. Red1 (28. Rxe8+ Rxe8
29. Kf1 (29. h3 Re1+ 30. Kh2 Qd6+ 31. g3 (31. f4 Qd4 $19) 31... Qd5 $19 (31...
Qc6 $19)) 29... Qc4 30. g3 Qc6 $19 (30... Qc1+ 31. Kg2 Re2 $19)) 28... Rc2 (
28... Re2 29. g3) 29. h3 Qf6 30. Kh1 {[%cal Yd2d3] /\31.Rd3} Rxb2 31. f3 $6 (
31. Rxd3 Rxf2 (31... Qxf2 32. Rg1) 32. Rg3 Rf1+ 33. Rxf1 Qxf1+ 34. Kh2 Re1 35.
Rc3 Qf5 36. Re3 $10 {Kotov}) 31... Rxd2 32. Qxd2 Qd4 {/\33... Re2} 33. Qb4 (33.
Qxd3 $4 Re1+ $19) 33... Qf2 (33... Qxb4 34. axb4 $10) 34. Kh2 {[%cal Yd1d3] /
\35.Rd3} (34. Rxd3 $4 Qf1+) 34... Re2 35. Qb8+ Kg7 {[%cal Re2e1] /\36... Re8}
36. Qg3 $8 Qd4 37. Qg4 Qe3 38. Qg3 d2 {[%cal Re2e1] /\39... Re1-+} 39. f4 Qe4
40. f5 Kh6 $2 (40... Qc2 $1 $19 41. f6+ (41. fxg6 f5 $19 (41... fxg6 $1 42. Qd6
Qxd1 43. Qc7+ Kf6 $19 {Kotov})) 41... Kh7 $1 42. Qd6 (42. Qh4+ Kg8 43. Qh6 Qc7+
44. Kg1 Qc5+ 45. Kh2 Qe5+ 46. Kg1 Qxf6 $19) 42... Qxd1 43. Qf8 Rxg2+ 44. Kxg2
Qe2+ 45. Kg3 Qe5+ 46. Kf2 d1=N+ 47. Kf1 Qxf6+ $19) 41. fxg6 fxg6 42. h4 Qd5 43.
Qg4 Qe5+ 44. Qg3 Qd5 45. Qg4 Re4 46. Qg5+ Qxg5 47. hxg5+ Kxg5 48. Rxd2 Ra4 49.
Rd3 Kf4 50. Rh3 g5 51. Rb3 1/2-1/2

[Event "Amsterdam Wereldschaaktoernooi"]
[Site "Amsterdam"]
[Date "1950.11.25"]
[Round "11"]
[White "Reshevsky, Samuel Herman"]
[Black "Pirc, Vasja"]
[Result "1/2-1/2"]
[ECO "E23"]
[Annotator "Ftacnik,L"]
[PlyCount "159"]
[EventDate "1950.11.11"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "NED"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 (
7... Nxc5 8. Qc2 f5 9. a3) 8. Nxd2 Bxc5 9. e3 (9. g3 $142 {/\10.Lg2, 11.0-0})
9... O-O 10. Be2 f5 11. O-O-O b6 12. a3 $2 (12. Nf3 $142) 12... Bb7 13. Bf3 $6
Qh4 $1 14. g3 {><Lf3} Qf6 15. Qa4 $6 (15. Qc2 $142) 15... a6 $1 16. Qc2 (16.
Nb3 b5 $1 17. cxb5 axb5 18. Qxb5 (18. Qh4 g5 {/\19... La3}) 18... Bxa3 $1)
16... Be7 17. Kb1 (17. Na4 b5 18. Nb6 Rad8 19. c5 d6 $1 $40 {><Sb6}) 17... b5
$1 18. c5 (18. cxb5 axb5 19. Nxb5 Rfb8 {/\20... La6 21.Sc3 La3} 20. Nc3 Bxa3
21. bxa3 Nd4 $1 22. exd4 Be4+ $19) 18... b4 (18... Bxc5 $2 19. Nd5 $1) 19. axb4
Nxb4 20. Qb3 Bxf3 21. Nxf3 Rab8 22. Na4 $1 Nd5 $2 (22... f4 $1 23. exf4 (23.
Nd4 fxe3 24. fxe3 Qg6+ 25. Kc1 Rf2 $19) 23... Qf5+ 24. Kc1 Bxc5 $40 {Najdorf})
23. Nb6 Bxc5 24. Nxd5 Rxb3 25. Nxf6+ gxf6 26. Ka2 $5 (26. Rxd7 Rfb8 27. Rd2 Ba3
$19) 26... Rfb8 27. Rd2 R3b4 $2 (27... d5 $2 28. Nd4) 28. Rc1 d6 29. Ne1 R4b5
30. Nd3 Bb6 31. Rdc2 Kf7 32. Rc8 Bd8 33. Rxb8 Rxb8 34. Rc6 Rb6 35. Rxb6 Bxb6
$19 36. Kb3 e5 37. Nb4 f4 $5 38. Nd5 (38. exf4 exf4 39. Nxa6 f3 $1) (38. gxf4
exf4 39. exf4 a5 $1) 38... fxe3 39. fxe3 Bd8 40. e4 (40. Nb4 $143 Ke6 41. e4 (
41. Nxa6 Kd5 42. Kc3 Ke4 43. Kd2 Bb6) 41... f5 42. exf5+ Kxf5 43. Nxa6 d5 $19)
40... Kg6 41. Kc4 (41. Ne3 Kg5 42. Kc4 Bb6 43. Nf5 (43. Nd5 Bg1) 43... Kg4)
41... f5 42. Kd3 a5 43. Ke3 Bg5+ 44. Kf3 h6 45. b3 fxe4+ 46. Kxe4 Bd2 47. Nb6
Bb4 48. Nc4 Kf6 49. Ne3 Ke6 50. Nd5 Bd2 51. g4 (51. Nc7+ Kd7 52. Nd5 Kc6 53.
Nf6 Kc5 54. Kd3 Bg5) (51. Nb6 Bb4 {/\Lc5-g1}) 51... Be1 52. Ne3 Bb4 53. Nd5 Bd2
54. h3 (54. Nb6 Kf6 55. h4 Be1 56. Nc4 $2 Ke6) 54... Be1 55. Ne3 Bb4 56. Nd5
Be1 $6 (56... Bd2 $1 57. h4 $8 Be1 $1 58. g5 (58. h5 Bb4 59. Nc7+ Kf6 60. Nd5+
Kg5 61. Kf3 e4+ $19) 58... h5 59. Nc7+ Kf7 60. Kd5 (60. Kf5 Bxh4 61. g6+ Kg8
$19) 60... Bxh4 61. Kxd6 e4 $19) 57. Ne3 Bh4 58. Nd5 Kd7 59. Kd3 Kc6 60. Kc4
Be1 61. Ne7+ $2 (61. Nf6 $142 Bb4 62. Nd5 Bd2 63. Nf6 Be1 64. Nd5 Kd7 65. Kd3
Ke6 66. Ke4 Bd2 $1) 61... Kd7 62. Nf5 Ke6 63. Ng7+ (63. Nxh6 d5+) 63... Kf6 64.
Ne8+ Ke7 65. Ng7 Bb4 66. Nf5+ (66. Kd5 Kf6 67. Nf5 Kg5 68. Ke4 Bc5 $19 69. Kf3
d5) 66... Ke6 67. Nxh6 (67. Ne3 $2 Kf6 68. Nd5+ Kg5 69. Nxb4 axb4 70. Kxb4 Kf4
$1 71. Kc3 Kf3 $1 $19) 67... d5+ 68. Kb5 $6 (68. Kd3 $142 e4+ 69. Kd4 Ba3)
68... e4 69. Nf5 Ke5 70. h4 Kf4 $2 $10 (70... d4 $1 $19 71. Kc4 d3 72. Ne3 d2
73. Nd1 Kf4 74. g5 Kf3 75. g6 (75. Kd4 e3 76. Nxe3 Bc5+ $19) 75... e3 76. g7 e2
77. g8=Q exd1=Q $19) 71. Kc6 e3 72. Nxe3 $1 Kxe3 73. Kxd5 Kd3 74. g5 Kc3 75. h5
Kxb3 76. g6 Bf8 77. Ke6 a4 78. Kf7 Bh6 79. g7 Bxg7 80. Kxg7 1/2-1/2

[Event "ISR-chT"]
[Site "Israel"]
[Date "1998.02.14"]
[Round "4"]
[White "Gofshtein, Leonid D"]
[Black "Har Zvi, Ronen"]
[Result "1/2-1/2"]
[ECO "E23"]
[WhiteElo "2520"]
[BlackElo "2510"]
[Annotator "Har Zvi,R"]
[PlyCount "40"]
[EventDate "1998.01.15"]
[EventType "team-tourn"]
[EventRounds "10"]
[EventCountry "ISR"]
[SourceTitle "CBM 064"]
[Source "ChessBase"]
[SourceDate "1998.06.02"]
[SourceVersion "1"]
[SourceVersionDate "1998.06.02"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 {a new move for me!!! Gofshtein playes 3.Nc3 very
very rarly but as he knew that I play the king's Indian and understood that I
was prepering for 3.Nf3 he played 3.Nc3 the last time I analysed Nimzo-Indian
was 2 years ago,and how suprised was I after the games when I looked on theory
and saw the line both of us played was theory!!} Bb4 4. Qb3 c5 5. dxc5 Nc6 6.
Bg5 (6. Nf3) 6... h6 7. Bxf6 (7. Bh4 g5 8. Bg3 Ne4 9. e3 Bxc3+ 10. bxc3 Qa5 11.
Bd3 Nxg3 (11... Nxc5 $5) (11... Nxc3 $5 12. Kf1 Na4) 12. hxg3 Qxc5 13. Nf3 b6
14. Qb5 Qa3 15. Qb3 Qc5 16. Qb5 Qa3 17. Qb3 $11 {/=/+ Agdestein,S-Hjartarson,J/
Reykjavik op 1996/CBM52}) 7... Qxf6 8. Nf3 Bxc3+ $1 {I think that after this
simple move black has no problems to get equal with I mean just a drawish
position,it's starnge since many strong players still play this position with
white,what do they know that I does not??? but atleast was one other game like
this with very strong players Akopian-Yudasin when also there no problems for
black} (8... Bxc5 9. e3 O-O (9... b6 10. Be2 Bb7 11. Ne4 Bb4+ 12. Qxb4 Nxb4 13.
Nxf6+ gxf6 14. Kd2 Ke7 15. Rhc1 Rac8 16. a3 Nc6 17. b4 Ne5 18. Nxe5 fxe5 $11 {
Akopian,V-Tiviakov,S/WchJ-Mamaia 1991}) 10. Be2 Qe7 11. O-O b6 12. a3 (12. Rfd1
Bb7 13. Ne4 d6 14. Qc3 Rac8 15. a3 a5 16. Rac1 f5 17. Nxc5 bxc5 18. Qd2 Rcd8
19. Ne1 f4 $13 {Akopian,V-Schmittdiel,E/Groningen 1991}) (12. Ne4 f5 13. Nxc5
bxc5 14. Rad1 Rb8 15. Qa3 Bb7 16. Rd2 Rbd8 17. Rfd1 d6 18. g3 Ba8 19. Ne1 g5
$132 {Akopian,V-Greenfeld,A/Beer-Sheva 1992}) 12... Bb7 13. Rfd1 Rac8 14. Rd2
Rfd8 15. Rad1 Qe8 (15... Na5 $6 16. Qa2 $16 {[%csl Ra5,Rc5][%cal Gb2b4]
Malaniuk,V-Averkin,O/RUS-Cup6 Krasnodov 1997/CBM59}) 16. Qa2 Bf8 17. Nb5 d5 18.
cxd5 exd5 19. Rxd5 Rxd5 20. Qxd5 $16 {Malaniuk,V-Sabjanov,R/RUS-Cup7 Kstovo
1997/CBM59}) 9. Qxc3 (9. bxc3 Nb8 $1 {the simplest and strongest way to win
back the pawn} 10. Rd1 Na6 11. Qa3 Qf5 $15 {[%csl Rc5]}) 9... Qxc3+ 10. bxc3 b6
$8 {black must play this move to get some space on the Queen's side and to
open the "a" file of course} 11. cxb6 axb6 12. e4 $6 (12. e3 Ra4 13. Bd3 Ba6
14. Kd2 Ke7 (14... Bxc4 15. Bxc4 Rxc4 16. Rhb1 {[%csl Rb6]}) 15. Rhb1 Rb8 16.
Nd4 Nxd4 17. cxd4 Bxc4 {Akopian,V-Yudasin,L/Dos Hermanas 1992/54/(528)}) 12...
Ra4 $1 $11 {the play now is simple Ba6-Na5,when black will win the "b6" pawn}
13. Bd3 Ba6 14. Kd2 (14. Nd2 Ne5 15. Bc2 Ra3) 14... Bxc4 15. Bxc4 (15. Rhb1
Bxd3 (15... Rxa2+ $4 16. Rxa2 Bxa2 17. Ra1 $18) 16. Kxd3 Ra6 {is like the game}
) 15... Rxc4 16. Kd3 Ra4 17. Rhb1 Ra6 18. Nd2 Ke7 19. Nc4 Rb8 20. a4 b5 1/2-1/2

[Event "Warsaw 6Players"]
[Site "Warsaw"]
[Date "1934.01.26"]
[Round "4"]
[White "Najdorf, Miguel"]
[Black "Spielmann, Rudolf"]
[Result "1/2-1/2"]
[ECO "E23"]
[Annotator "Petronijevic,Z"]
[PlyCount "84"]
[EventDate "1934.01.22"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "POL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 {1)Spielmann in WSZ 1934, S.45,73. 2)Gillam: Tournaments of 1934: Warsaw
1934 (22.-27. I).} Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 {It is considered that this
move gives Black equal play and that's why it is rarely played nowadays.} c5 5.
dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxd2 8. Nxd2 f5 ({The alternative is} 8... Bxc5 9.
e3 O-O $11) 9. g3 (9. e3 $11) 9... Bxc5 10. Bg2 O-O ({Interesting is} 10... b6
$5 $11) 11. O-O b6 12. Qa4 (12. Rad1 $11) 12... Bb7 13. Nb3 Qe7 ({Black could
have kept the bishop:} 13... Be7 $5 14. Nd4 $11) 14. Nxc5 ({White has nothing
better. If he plays} 14. Rad1 {Black gets equal play after} Bb4 $11 (14... Rad8
{gives White a minimal advantage:} 15. Nxc5 Qxc5 16. e3 $14)) 14... bxc5 15. e3
Rab8 $11 {Out of opening, the position is equal.} 16. f4 Nb4 ({Interesting is
the possibility of} 16... g5 $5 $11) 17. Bxb7 Rxb7 18. Rad1 Nc6 ({Black should
have looked for a counter-play on the kingside} 18... g5) 19. Qc2 g5 20. b3 Rf7
21. Qd2 gxf4 22. gxf4 Kh8 23. Kh1 Rb8 24. Rg1 $2 ({White does not make
advantage of Black's inconclusive play. He could have got an advantage by
playing} 24. Qd6 $16) 24... Rg8 25. Nb5 Rfg7 {Now Black has a good
counter-play on the g-file} 26. Nd6 Nd4 $5 ({Simpler is} 26... Rxg1+ 27. Rxg1
Rxg1+ 28. Kxg1 Nd4 29. Nf7+ Qxf7 30. exd4 Qg7+ 31. Kf2 cxd4 32. Qa5 $11 {
with equal ending.}) 27. Rxg7 Rxg7 28. Nc8 Qe8 29. exd4 Qxc8 30. d5 Qg8 ({
Simple} 30... exd5 {led to a completely equal ending:} 31. Qxd5 Qe8 32. Qxf5
Qe3 $11) 31. Qc3 ({White should have tried} 31. Qe3 $14) 31... h6 (31... exd5
32. cxd5 Qe8 $11) 32. Rg1 Kh7 33. Rxg7+ Qxg7 34. Qd2 $11 {Completely equal
queen ending.} Qf6 35. Kg2 Kg6 36. Kf3 e5 37. fxe5 Qxe5 38. Qe2 $4 ({If White
wanted to play a pawn ending, much simpler was} 38. Qf4 $11 {After the game
move, White is lost.}) 38... d6 $4 ({Black missed to enter a won pawn ending:} 
38... Qxe2+ 39. Kxe2 Kf6 40. Ke3 Ke5 $19 {Three black pawns prevents White
from creating a passed pawn which means that Black simply wins due to his
passed f- pawn.}) 39. Qxe5 dxe5 40. h4 Kf6 41. a3 a5 42. Ke3 Ke7 1/2-1/2

[Event "Match/TradeUnions Leningrad-Moscow gr1"]
[Site "Leningrad"]
[Date "1930.05.01"]
[Round "1.2"]
[White "Botvinnik, Mikhail"]
[Black "Kan, Ilia Abramovich"]
[Result "1-0"]
[ECO "E23"]
[Annotator "Primel,D"]
[PlyCount "80"]
[EventDate "1930.05.01"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "URS"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Leningrad Metallisty"]
[BlackTeam "Moscow"]
[WhiteTeamCountry "RUS"]
[BlackTeamCountry "URS"]

1. d4 {BOTVINNIK voulait remettre les pendules а l'heure face а son adversaire
qui l'avait battu auparavant et il va le faire nettement dans ce match.} Nf6 2.
c4 e6 3. Nc3 Bb4 4. Qb3 {La spécialité de BOTVINNIK dans sa jeunesse et le
thème du Championnat du Monde 1929.} c5 5. dxc5 Bxc5 (5... Nc6 {[%cal Gc6b4,
Gc6d4] La ligne principale} 6. Bg5 (6. Nf3 $142) 6... h6 7. Bh4 $6 g5 $1 8. Bg3
Ne4 9. e3 Bxc3+ 10. bxc3 {Botvinnik,M-Kan,I Botvinnik-Kan Training match 1930
1-0}) (5... Na6 $1 {Le plus souple dans l'esprit du système hérisson et il
faut d'ailleurs noter que BOTVINNIK a d'ailleurs lui même choisi ce coup avec
les noirs.} 6. a3 Bxc5 7. Nf3 b6 8. Bg5 Bb7 9. e3 Be7 $1 $11 {[%cal Gd7d6,
Ga6c5];Eliskases,E-Botvinnik,M Moscow 1936 1/2}) 6. Nf3 Nc6 7. Bg5 b6 $5 {
trés peu joué car en général le N est mal placé en "c6" dans des positions de
système hérisson et sa case naturelle est "d7" voire "a6c5"} (7... O-O 8. e3
Be7 9. Be2 b6) (7... h6 8. Bh4 (8. Bxf6 $142 {Bogoljubow,E-Alekhine,A World
Championship 14th 1929 (2) 1/2}) 8... Qb6 $6 {Botvinnik,M-Mazel,I URS-ch07
Moscow 1931 1-0} (8... O-O)) 8. e4 {[%csl Rd4]} Nd4 9. Nxd4 Bxd4 10. f3 h6 11.
Bf4 e5 $5 12. Nb5 $1 {[%cal Gb5d4]} Nh5 13. Be3 Bxe3 14. Nd6+ Kf8 $6 (14... Ke7
{semblait meilleur} 15. Nxc8+ {[%cal Gc8e7]}) 15. c5 $1 {[%csl Rf7]} Qe7 (15...
Bxc5 16. Qxf7#) 16. Qxe3 Nf4 17. Qa3 $40 {[%cal Ga3f8]} bxc5 18. Qxc5 Kg8 19.
g3 Ng6 (19... Ne6 20. Qxe5) 20. Bc4 Kh7 21. O-O-O $40 (21. h4 {[%cal Gh4h5]}) (
21. Bxf7) 21... a5 22. Bxf7 Ba6 23. Kb1 Be2 24. Rd5 Bxf3 25. Bxg6+ (25. Rf1
$142 $40 Bg4 26. Bxg6+ Kxg6 27. Rxe5 $18) 25... Kxg6 26. Rxe5 Qf6 27. Re1 (27.
Rc1) 27... Rhb8 {[%cal Gf6b2,Gb8b2]} 28. Nf5 Ra6 29. Qe7 Qxe7 30. Rxe7 Bxe4+
31. R1xe4 Kxf5 32. Rf4+ Kg6 33. Rg4+ Kf5 34. Rf4+ $138 {Une répétition de
coups pour gagner du temps et passer le contrôle de temps du 40ème coup.} Kg6
35. Rg4+ Kf5 36. Rgxg7 Rab6 37. Rgf7+ Kg6 38. Rg7+ Kf5 39. Ref7+ Ke5 40. Rf2 d5
$6 {[%csl Re5]} 1-0

[Event "Olympiad-03"]
[Site "Hamburg"]
[Date "1930.07.15"]
[Round "3"]
[White "Stahlberg, Gideon"]
[Black "Alekhine, Alexander"]
[Result "0-1"]
[ECO "E23"]
[Annotator "Stahlberg,G"]
[PlyCount "62"]
[EventDate "1930.07.13"]
[EventType "team-tourn"]
[EventRounds "17"]
[EventCountry "GER"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Sweden"]
[BlackTeam "France"]
[WhiteTeamCountry "SWE"]
[BlackTeamCountry "FRA"]

1. d4 {1)Stahlberg:Strövtåg i schackvärlden.1965.Skara. p.22} Nf6 2. c4 e6
3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Nf3 Ne4 7. Bd2 Nxc5 8. Qc2 f5 9. a3 Bxc3
10. Bxc3 O-O 11. b4 Ne4 12. e3 b6 13. Bd3 Nxc3 14. Qxc3 Bb7 15. O-O Ne7 16. Be2
Qe8 17. Rfd1 Rd8 18. a4 f4 19. a5 fxe3 20. Qxe3 Nf5 21. Qc3 d6 22. axb6 axb6
23. Ne1 e5 24. Ra7 Nd4 25. Qe3 Rd7 26. Ra2 Rdf7 27. f3 Rf4 28. Bd3 Qh5 29. Bf1
Qg5 30. Rf2 h6 31. Kh1 $2 (31. Qd2 $2 Bxf3 $1 $19 (31... Nxf3+ 32. Nxf3 Bxf3
33. Re1 Bc6 $17) 32. Nxf3 Nxf3+ 33. Rxf3 Rxf3 34. Qxg5 Rxf1+ 35. Rxf1 Rxf1+ 36.
Kxf1 hxg5 37. Ke2 Kf7 38. Kf3 Ke6 39. Ke4 b5 $1 40. cxb5 d5+ $19) (31. Be2 $2
Rxf3 $1 $19 32. Qxg5 Nxe2+ 33. Kh1 Rxf2) (31. Bd3 $145 $1 {Jetzt deckt der Bd3
das kritische Feld f1.Schwarze Opfer sind jetzt sinnlos. Die Stellung ist
ausgeglichen, auch wenn die schwarzen Figuren aktiver stehen.} d5 (31... Rxf3
32. Qxg5 Rxf2 33. Qe7 $18) (31... Nxf3+ 32. Nxf3 Bxf3 33. Rxf3 Rxf3 34. Qxg5
$18) (31... Bxf3 32. Nxf3 Nxf3+ 33. Rxf3 Rxf3 34. Qxg5 $18) 32. c5) 31... Rxf3
$19 (31... Rxf3 $19 32. Qxg5 Rxf2) 0-1

[Event "RUS-Cup6"]
[Site "Krasnodar"]
[Date "1997.03.15"]
[Round "5"]
[White "Malaniuk, Vladimir P"]
[Black "Averkin, Orest Nikolaevich"]
[Result "1-0"]
[ECO "E23"]
[WhiteElo "2610"]
[BlackElo "2425"]
[Annotator "Tisdall,J"]
[PlyCount "47"]
[EventDate "1997.03.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Nc6 6. Bg5 h6 7. Bxf6 Qxf6 8.
Nf3 Bxc5 (8... Bxc3+ $5 9. Qxc3 Qxc3+ 10. bxc3 b6 11. cxb6 axb6 12. e3 Ra4 13.
Bd3 Ba6 14. Kd2 Ke7 15. Rab1 {1/2-1/2 Akopian,V-Yudasin,L/Dos Hermanas 1992}) (
8... O-O 9. e3 Bxc5 10. Be2 b6 11. O-O Qe7 12. Ne4 {Earlier attempts to revive
this line revolved around the insertion of this move for white. Malaniuk's way
of playing is more logical, preferring to mount pressure on the d-file and
aiming to harass the Bc5 later by expanding the queenside pawn mass with a3/b4.
} (12. Rfd1 Bb7 13. Ne4 d6 14. Qc3 Rac8 15. a3 a5 16. Rac1 f5 17. Nxc5 bxc5 18.
Qd2 Rcd8 $11 {Akopian,V-Schmittdiel,E/Groningen 1991/1/2-1/2 (60)}) 12... f5
13. Nxc5 bxc5 14. Rad1 Rb8 15. Qa3 Bb7 16. Rd2 Rbd8 17. Rfd1 d6 18. g3 Ba8 $11
{1/2-1/2 Akopian,V-Greenfeld,A/Beersheba 1992 (38)}) 9. e3 Qe7 (9... b6 10. Be2
Bb7 11. Ne4 Bb4+ 12. Qxb4 Nxb4 13. Nxf6+ gxf6 14. Kd2 Ke7 15. Rhc1 Rac8 16. a3
Nc6 17. b4 Ne5 18. Nxe5 fxe5 19. g3 Rc7 $11 {Akopian,V-Tiviakov,S/WchJ Mamaia
1991/1/2-1/2 (55)}) 10. Be2 b6 11. O-O Bb7 12. a3 $1 O-O 13. Rfd1 Rac8 14. Rd2
$1 {A simple plan, but since it is both effective and departs from the norm,
it deserves an exclamation.} Rfd8 15. Rad1 Na5 $6 {This misplaces yet another
piece.} 16. Qa2 Ba6 $2 (16... Bxf3 17. Bxf3 (17. gxf3 Nb7 $13) 17... Qe8 $1 {
is the best way to limit damage, when white's pressure on the d-file gives him
enduring pressure, but black is still fighting.} (17... Nxc4 18. Qxc4 Bxe3 19.
Rxd7 $1)) 17. b4 Bxe3 18. fxe3 Bxc4 19. Bxc4 Nxc4 20. Rd3 a5 21. Qb3 Nxa3 22.
bxa5 bxa5 23. Nd5 $1 {This completely devalues the black pawns, and forces a
technically winning position.} exd5 24. Qxa3 {...which black did not want to
see.} 1-0

[Event "Leningrad Masters 1932/33"]
[Site "Leningrad"]
[Date "1932.11.20"]
[Round "2"]
[White "Botvinnik, Mikhail"]
[Black "Ragozin, Viacheslav"]
[Result "1-0"]
[ECO "E23"]
[Annotator "Varnusz/PrimeL,D"]
[PlyCount "61"]
[EventDate "1932.11.16"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "URS"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 {Les deux joueurs de Léningrad ont disputé plusieurs dizaines de parties
ensemble.} Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 {A la fin de sa carrière dans les
années 60, BOTVINNIK a commencé а jouer la variante SAEMISCH et il avait
tendance а préférer la paire de B.  Cette ligne Qb3 avait connu son heure de
gloire lors du Championnat du Monde 1929 mais dans la pratique moderne, Qb3
est néanmoins peu joué а haut niveau. PIKET qui était un des rares GMI а la
jouer а haut niveau a d'ailleurs arrêté la compétition.} c5 $1 {Lors d'une
autre rencontre entre les deux joueurs le mois précédent au Championnat de
Leningrad, RAGOZIN avait choisit l'autre ligne intéressante Nc6} (4... Nc6 $5 {
[%cal Gd7d6,Ge6e5,Gc6b4,Gc6d4] Qb3 a pour défaut de laisser un point faible en
"d4" que les noirs peuvent attaquer par "c5" ou encore par Nc6 protégeant le
Bb4 et permettant de jouer la structure d6e5} 5. Nf3 O-O (5... a5 6. a3 a4 7.
Qc2 Bxc3+ 8. Qxc3 Ne4 9. Qc2 d5 10. e3 O-O 11. Bd3 f5 12. O-O Bd7 13. Bd2 Rf6 {
[%cal Gf6h6]} 14. Rfc1 Rh6) 6. a3 Bxc3+ 7. Qxc3 d6 (7... Ne4 8. Qd3 d5 $11 {
Botvinnik,M-Ragozin,V Leningrad-ch 1932 1-0} (8... f5)) 8. b4 (8. g3 e5 $1 9.
dxe5 dxe5 10. Nxe5 Nxe5 11. Qxe5 Re8 $44) 8... e5 9. dxe5 Nxe5 10. Nxe5 dxe5
11. Qxe5 Re8 12. Qb2) (4... Qe7 $5 {[%cal Ge7b4,Gd7d6,Ge6e5]} 5. a3 {Les
blancs gagnent la paire de B comme dans la variante CAPABLANCA mais la
position noire est trés solide et comme dans la variante 4.Qc2, les blancs
risquent d'être provisoirement en retard de développement dans l'ouverture.}
Bxc3+ 6. Qxc3 d6 (6... Ne4 {Cette partie éait peut-être а l'origine du nom de
la variante car SPIELMANN y a gagné en 11 coups!} 7. Qc2 f5 8. f3 $2 Qh4+ 9. g3
Nxg3 10. hxg3 Qxh1 11. Nh3 {Spielmann,A-NN  1922 1-0}) 7. Nf3 O-O (7... Nbd7 8.
Bg5 O-O 9. e3 e5 $132)) 5. dxc5 (5. Nf3 $143 Ne4 $1 {Cette idée de MAROCZY
exploite l'absence de la Qc2 qui ne contrôle pas la case "e4" et
paradoxalement, les blancs ne peuvent pas éviter la prise en "c3" et
l'apparition de P doublés, alors que la variante "cousine" Qc2, les blancs
gardent une structure saine.} (5... b6 6. a3 Ba5 {[%csl Rb2,Rb3] On voit la
différence entre les variantes Qc2 et Qb3. Avec Qb3, les blancs ne peuvent pas
jouer b2b4!} 7. Bg5 Bb7 8. e3 (8. dxc5 $143 Na6 $1 9. c6 (9. cxb6 Nc5 10. Qc2
Be4 11. Qd1 Bxc3+ 12. bxc3 Qxb6 $44))) 6. Nd2 (6. Bd2 Nxd2 7. Nxd2 Qa5 $1 {
[%cal Gb4c3];Pirc,V-List,P Frankfurt 1930 (6) 0-1}) 6... Bxc3 7. bxc3) 5... Nc6
(5... Na6 6. a3 Bxc5 7. Nf3 O-O 8. Bg5 Be7 $11 {[%cal Ga6c5];Botvinnik,
M-Gothilf,S Leningrad-ch 1930 1-0}) (5... Bxc5 6. Nf3 Nc6 7. Bg5 b6 {Botvinnik,
M-Kan,I Botvinnik-Kan Training match 1930 1-0}) 6. Bg5 $5 (6. Nf3 {Plus
populaire mais peut-être moins précis car les blancs vont perdre la paire de B.
.. tout en ayant un retard de développement!} Ne4 $1 {[%cal Ge4c3]} (6... Bxc5
$143 7. Bg5 h6 {Botvinnik,M-Mazel,I URS-ch07 Moscow 1931 1-0}) 7. Bd2 Nxd2 $1 (
7... Nxc5 $5 {[%cal Gc5b3]} 8. Qc2 f5 9. a3 Bxc3 10. Bxc3 O-O 11. b4 Ne4 12.
Bb2 $5 {[%csl Gb2] Les blancs continuent а s'accrocher а l'avantage de la
paire de B mais au détriment du développement} b6 13. g4 $5 {[%cal Gh1g1,Gg1g7]
Curieusement, il y a eu trés peu de parties jouées avec ce coup risqué mais
intéressant.} Nxf2 $1 14. Kxf2 fxg4 15. Rg1 Qh4+ $36 {[%csl Rf2];Botvinnik,
M-Myasoyedov,G Leningrad-ch 1930 1/2}) 8. Nxd2 O-O 9. e3 Bxc5 $132 (9... f5
$132)) 6... h6 {Posant une question au B} (6... Qa5 7. Bxf6 gxf6 8. Nf3 (8. e3
Bxc3+ 9. Qxc3 Qxc3+ 10. bxc3 Rg8 $32 {[%csl Rc3,Rc4,Rc5]}) 8... Qxc5 9. a3 $14
{Botvinnik,M-Miasoedov,G Leningrad-ch 1932 1-0}) 7. Bh4 $6 (7. Bxf6 $142 {
Botvinnik,M-Sozin,V Leningrad masters 1933 1-0}) 7... g5 $1 $146 (7... Nd4 $143
{[%csl Rc2][%cal Gd4c2,Gd4b3]} 8. Qa4 Bxc3+ 9. bxc3 Nf5 $132 {[%cal Gf5h4];
Botvinnik,M-Savitsky,L Leningrad-ch 1932 1-0}) 8. Bg3 Ne4 9. e3 Bxc3+ 10. bxc3
Qf6 $132 {[%csl Rc3][%cal Ge4g3,Gf6f2,Gh6h5,Gh5h4]} (10... Qa5) (10... Nxc5 $5
{[%csl Gc5]} 11. Qc2 Qe7 $5 (11... b6 12. Nf3 Bb7 13. Rd1 {[%csl Gd5,Gd6]} Qf6)
12. Nf3 d6 {[%cal Ge6e5] un plan interessant pour jouer sur cases noires et
enfermer le Bg3 car les pièces blanches ne peuvent pas profiter de
l'affaiblissement de la case d5} 13. Rd1 e5 $132 {[%csl Rg3]}) 11. Rc1 Nxc5 12.
Qc2 e5 13. Nf3 d6 14. Nd2 Bf5 $1 (14... Be6 $5 15. Ne4 Qe7 {[%csl Rg3][%cal
Gf7f5,Gf5f4] (Varnusz)}) 15. e4 {[%csl Rd4]} Bg6 16. f3 h5 17. Be2 h4 18. Bf2
Ne6 {[%csl Rf4]} 19. Nf1 g4 $6 (19... Nf4) (19... h3 20. g3 Nc5 $11 {[%csl Gc5]
}) 20. Ne3 gxf3 21. Nd5 Qg5 22. gxf3 Qg2 $6 23. Rg1 Qxh2 $2 24. Nf6+ $40 Ke7
25. Ng4 {[%csl Rh2] enfermant la Q} Qh3 26. Qd1 Ng5 27. Be3 Rh5 28. Nf2 $1 $18
{[%cal Gf2h3,Ge3g5]} Qe6 29. Bxg5+ f6 30. Bxh4 Rg8 31. Bg3 {Botvinnik a été
chanceux dans cette partie car l'ouverture ne lui avait donné aucun avantage}
1-0

