[Event "Bugojno"]
[Site "Bugojno"]
[Date "1978.02.28"]
[Round "3"]
[White "Balashov, Yuri S"]
[Black "Ivkov, Borislav"]
[Result "1/2-1/2"]
[ECO "C98"]
[WhiteElo "2590"]
[BlackElo "2515"]
[Annotator "Bulletin"]
[PlyCount "33"]
[EventDate "1978.02.27"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[EventCategory "14"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 (12... cxd4 13. cxd4 Rd8 14.
b3 Nc6 15. Bb2 exd4 16. Nxd4 Nxd4 17. Bxd4 Be6 18. Rc1 Qa5 19. Bb1 Rac8 $10 {
Kavalek-Balashov, Tilburg 1977}) 13. dxc5 dxc5 14. Nf1 Be6 15. Ne3 Rad8 16. Qe2
c4 17. Nf5 1/2-1/2

[Event "POL-ch 68th"]
[Site "Warsaw"]
[Date "2011.02.12"]
[Round "1"]
[White "Jakubowski, Krzysztof"]
[Black "Markowski, Tomasz"]
[Result "1-0"]
[ECO "C98"]
[WhiteElo "2502"]
[BlackElo "2625"]
[Annotator "CB"]
[PlyCount "63"]
[EventDate "2011.02.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POL"]
[SourceTitle "CBM 140 Extra"]
[Source "ChessBase"]
[SourceDate "2011.03.01"]
[SourceVersion "1"]
[SourceVersionDate "2011.03.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Bb7 13. d5 Bc8 {This position can
be also reached via 12... Nc6 13.d5 Na5.} 14. b3 {Poor position of the Na5 is
a major headache for Black. Therefore, before making the standard manoeuvre
Nd2-f1, White excludes the possibility of Na5-c4-b6.} Bd7 15. Nf1 Nb7 {#} 16.
g4 ({The main line is} 16. Ng3 {. GM Krzysztof Jakubowski told us that he
opted for the text move to sharpen the game and to avoid usual set-ups, well
known to his opponent.}) 16... Rfc8 17. Ng3 g6 18. Nh2 {Commenting upon this
part of the game, Krzysztof pointed out that he should have prepared against
18...c4 and 19...a5 with the prophylactic move Be3, which could be played now.
Soon we shall see why it was so important.} c4 19. b4 a5 20. a3 axb4 21. cxb4 {
Black obtained the c4 passed pawn. If White had played 18.Ge3 instead of 18.
Nh2, he could have recaptured 21.axb4, avoiding such a scenario.} Ne8 22. Kh1
Qd8 23. Rg1 Bg5 24. Nf5 Rc7 25. Nf3 f6 $2 ({A grave error leading to a
disaster. - "Black should have played} 25... Bf6 {. If he had done so, he
would have retained a solid position with a queenside counter play." -
commented GM Jakubowski. #}) 26. Nxg5 fxg5 27. Nh6+ $1 Kg7 28. h4 gxh4 29. g5
Qe7 30. f4 $1 exf4 {Otherwise, White could go 31.f5} 31. Bxf4 Kh8 32. e5 $1 {
#Black resigned, as his position is just about to collapse. He cannot play 32.
..dxe5 33.Bxe5+ Qxe5, because of 34.Nf7+ and 35.Nxe5. On the other hand, White
is threatening 33.exd6 Nbxd6 34.Qd4+ Ng7 (34...Qg7 35.Be5) 35.Bxd6 Qxd6 36.
Nf7+ and 37.Nxd6. The defence 32...Ra6 is not sufficient due to 33.Re1, e.g.
Qf8 34. e6 Bc8 35.Rf1 Qe7 36.Qf3 Bxe6 37.dxe6 Qxe6 38.Be5+ and 39.Qf8+} 1-0

[Event "URS-ch13 Final"]
[Site "Moscow"]
[Date "1944.05.25"]
[Round "4"]
[White "Boleslavsky, Isaak"]
[Black "Kotov, Alexander"]
[Result "1-0"]
[ECO "C98"]
[Annotator "Chekhov,V"]
[PlyCount "119"]
[EventDate "1944.05.21"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. dxc5 dxc5 14. a4 (14. Nf1
$5 Be6 15. Ne3 Rad8 16. Qe2 c4 $132) 14... Be6 15. Ng5 Bd7 (15... Rad8 16. Nxe6
fxe6 17. Qe2 c4 18. axb5 axb5 19. b3 Bc5 20. bxc4 Nh5 21. Qxh5 Bxf2+ 22. Kf1
Rxd2 23. Bxd2 Nd4 24. cxd4 Qxc4+ 25. Re2 Be3+ 26. Ke1 Bxd2+ 27. Kxd2 Qxd4+ $10)
16. Nf1 Rad8 (16... h6 $5 17. Nf3 Be6 18. Nh4 Rad8 19. Qf3 Nh7 20. Nf5 Bg5 $10
{Zaitsev,I-Smyslov,V/USR/1969/}) 17. Qe2 h6 (17... g6 $5) 18. Nf3 c4 19. axb5
axb5 20. Nh4 Rfe8 21. Qf3 Nh7 22. Nf5 $16 Bg5 23. Bxg5 Nxg5 24. Qg3 Bxf5 (24...
Kh8 25. h4 Ne6 26. N1e3 $36 {/\ Nd5/}) 25. exf5 Nh7 26. Be4 $1 Na5 (26... Nf6
27. Bxc6 Qxc6 28. Rxe5) 27. Ne3 Nf6 28. Ng4 Nxg4 (28... Nxe4 29. Rxe4 {/\ Ne5,
/\ Nh6/}) 29. Qxg4 Rd6 $6 (29... f6 $5) 30. Rad1 $1 Nb3 (30... Rxd1 31. Rxd1
Rd8 32. Rxd8+ Qxd8 33. f6 g6 34. Bxg6 $36) (30... Red8 31. f6 $1 Rxf6 32. Rxd8+
Qxd8 33. Rd1 Qb8 (33... Rd6 34. Rxd6 Qxd6 35. Qc8+ Qf8 36. Bh7+) 34. Qd7 g6 35.
Qe7 Qb6 36. Rd8+ Kh7 37. Qf8 Qxf2+ 38. Kh2 Qf4+ 39. g3 Qf2+ 40. Bg2 $18) 31.
Rxd6 Qxd6 32. Rd1 Qb6 33. Rd5 Rd8 (33... Nc5 34. f6 $1 $18) (33... Kh8 $5) 34.
Rxe5 (34. Rxb5 $5 Qxb5 35. f6 g5 36. Qf5 Kf8 37. Qh7 $40) 34... Nc1 35. f6 Qxf6
36. Rxb5 g6 37. Bd5 Nd3 38. Qf3 Nf4 (38... Qxf3 39. Bxf3 Re8 40. Bd5 $18) 39.
Bxc4 $18 Rd2 40. Kh2 Qd6 41. g3 Ne6 42. h4 Qd7 43. Rd5 Qb7 44. b4 Rc2 45. Rd3
Qa7 46. Kg2 Nf8 47. Rd4 Kg7 48. Rf4 f5 49. Qd5 Qe7 50. Rf3 h5 51. Qg8+ Kh6 52.
Qh8+ Nh7 53. Bg8 Qb7 54. Qxh7+ Qxh7 55. Bxh7 Kxh7 56. Rd3 Kg7 57. Rd7+ Kf6 58.
Rc7 f4 59. gxf4 Rd2 60. b5 1-0

[Event "Match Bogoljubow-Romanowsky +5-1=2 (6)"]
[Site "Leningrad"]
[Date "1924.11.30"]
[Round "1"]
[White "Bogoljubow, Efim"]
[Black "Romanovsky, Peter Arsenievich"]
[Result "1/2-1/2"]
[ECO "C98"]
[Annotator "ChessBase"]
[PlyCount "67"]
[EventDate "1924.11.30"]
[EventType "match"]
[EventRounds "12"]
[EventCountry "URS"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 {Soloviev:Bogoljubow.Chess Stars.2004. S.83. According to the rules of
the match the first four draws were not counted.} e5 2. Nf3 Nc6 3. Bb5 a6 4.
Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d4 Qc7 11. h3
O-O 12. Nbd2 Nc6 13. dxc5 dxc5 14. Nf1 Rd8 15. Qe2 Be6 16. Ne3 h6 17. Nf5 Bf8
18. Nh2 Kh7 19. Qf3 Ng8 20. Ng4 f6 21. Nge3 Nd4 22. cxd4 cxd4 23. Qe2 dxe3 24.
Nxe3 Rac8 25. Bd2 Bc4 26. Nxc4 bxc4 27. b3 c3 28. Be3 Rd2 29. Bxd2 cxd2 30.
Qxd2 Qxc2 31. Qxc2 Rxc2 32. Rec1 Re2 33. Re1 Rc2 34. Rec1 1/2-1/2

[Event "World-ch08 Lasker-Tarrasch +8-3=5"]
[Site "Duesseldorf/Munich"]
[Date "1908.09.01"]
[Round "5"]
[White "Lasker, Emanuel"]
[Black "Tarrasch, Siegbert"]
[Result "1-0"]
[ECO "C98"]
[Annotator "ChessBase"]
[PlyCount "75"]
[EventDate "1908.08.17"]
[EventType "match"]
[EventRounds "16"]
[EventCountry "GER"]
[SourceTitle "MainBase"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 {Am 31.August zogen die Spieler um von Düsseldorf nach München, wo vom
1.-30.Septemder 1908 die zweite Hälfte des Weltmeisterschaftskampfes gespielt
wurde.} e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
Na5 9. Bc2 c5 10. d4 Qc7 11. Nbd2 Nc6 12. h3 O-O 13. Nf1 cxd4 14. cxd4 Nxd4 15.
Nxd4 exd4 16. Bg5 h6 17. Bh4 Qb6 18. Qd3 g5 19. Bg3 Be6 20. Rad1 Rfc8 21. Bb1
Nd7 22. e5 Nf8 23. Qf3 d5 24. Qh5 Kg7 25. f4 f5 26. exf6+ Bxf6 27. fxg5 hxg5
28. Be5 d3+ 29. Kh1 Ng6 30. Qxg5 Bf7 31. Ng3 Bxe5 32. Rxe5 Rh8 33. Bxd3 Ra7 34.
Rde1 Kf8 35. Bxg6 Qxg6 36. Qe3 Rc7 37. Nf5 Qc6 38. Qg5 1-0

[Event "YUG Team-ch36"]
[Site "Pula"]
[Date "1984.09.08"]
[Round "4.1"]
[White "Popovic, Petar"]
[Black "Matanovic, Aleksandar"]
[Result "1-0"]
[ECO "C98"]
[WhiteElo "2515"]
[BlackElo "2490"]
[Annotator "ChessBase/Kovacevic,V"]
[PlyCount "60"]
[EventDate "1984.09.05"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "YUG"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]
[WhiteTeam "Novi Sad"]
[BlackTeam "Belgrade Crvena Zvezda"]
[WhiteTeamCountry "YUG"]
[BlackTeamCountry "YUG"]

1. e4 {1)Sahovski Glasnik 1984, p.409} e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5.
O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2
Nc6 13. d5 Nd8 14. a4 Rb8 15. axb5 axb5 16. b4 c4 17. Nf1 Ne8 18. N3h2 Bf6 (
18... f6 19. f4 exf4 (19... Nf7) 20. Bxf4 f5) (18... f5 19. exf5 Bxf5 20. Bxf5
Rxf5 21. Be3 $14) 19. Ng4 $16 Bxg4 20. Qxg4 g6 21. Be3 Ng7 22. Ra7 {[#]} Nb7 $2
(22... Rb7 23. Rea1 $16) 23. Rea1 $18 Be7 24. Bh6 Bd8 25. Ng3 Bf6 26. R1a5 Qd8
27. Rxb5 Nc5 28. Rxb8 Qxb8 29. Ra3 Nd3 30. Bxd3 cxd3 1-0

[Event "Piatigorsky Cup-01"]
[Site "Los Angeles"]
[Date "1963.07.22"]
[Round "12"]
[White "Gligoric, Svetozar"]
[Black "Reshevsky, Samuel Herman"]
[Result "1/2-1/2"]
[ECO "C98"]
[Annotator "Dolmatov,S"]
[PlyCount "67"]
[EventDate "1963.??.??"]
[EventType "tourn"]
[EventRounds "14"]
[EventCountry "USA"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Na5 10. Bc2 c5 11. d4 Nc6 12. dxc5 (12. d5 Na5 13. Nbd2 c4 14. Nf1
$14) 12... dxc5 13. Nbd2 Qc7 14. Nf1 Rd8 15. Qe2 Rb8 16. Ne3 g6 17. Nh2 (17.
Ng5 Bb7 18. Bb3 c4 $2 19. Nxc4 $18 {Tal,M-Averbah,Y/URS/1964/}) 17... Be6 18.
Nhg4 Rd6 19. Nxf6+ $6 (19. Qf3 $5 Nxg4 20. Nxg4 Bxg4 21. hxg4 c4 22. Be3 Rbd8
23. Rad1 $14 {Parma,B-Lengyel,Le/Beverwijk/1964/}) 19... Bxf6 20. Ng4 Bg7 21.
Bg5 f6 $1 22. Be3 (22. Nxf6+ $2 Bxf6 23. Bxf6 Bc4 24. Qf3 Rf8 $19) (22. Bxf6 $2
Bxg4 $19) 22... c4 23. Rad1 Rxd1 24. Rxd1 h5 25. Nh2 $10 Rd8 26. Nf3 Rxd1+ 27.
Qxd1 Qd8 28. Qxd8+ Nxd8 29. a4 Nb7 30. axb5 axb5 31. Nd2 Bf8 32. Nb1 Bc5 33.
Bxc5 Nxc5 34. h4 1/2-1/2

[Event "Budapest FS03 GM"]
[Site "Budapest"]
[Date "1993.??.??"]
[Round "1"]
[White "Leko, Peter"]
[Black "Lengyel, Bela"]
[Result "1-0"]
[ECO "C98"]
[WhiteElo "2555"]
[BlackElo "2350"]
[Annotator "Ernst,T"]
[PlyCount "120"]
[EventDate "1993.03.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "HUN"]
[EventCategory "8"]
[SourceTitle "CBM 037"]
[Source "ChessBase"]
[SourceDate "1993.12.01"]
[SourceVersion "1"]
[SourceVersionDate "1993.12.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. d5 Na5 14. b3 Bd7 15. Nf1
Nb7 16. N3h2 (16. Bd2 a5 17. a3 c4 18. b4 Ra6 19. Qb1 Rfa8 20. Qb2 $14 {
Ilincic,Z-Lengyel,B/BudapestSpringop/1990/}) 16... c4 17. b4 a5 18. Ng3 g6 19.
Qf3 Ra6 20. Bg5 Qd8 21. Bh6 Re8 22. a3 Qc7 23. Rad1 axb4 24. cxb4 Rea8 25. Bc1
{The knight on b7 is still badly placed./} Qd8 26. Qe3 Ne8 27. Kh1 Bf8 28. Rf1
Qe7 29. Ne2 Nd8 30. f4 Bh6 31. Qf3 exf4 32. Nxf4 Bg7 (32... f6 $2 33. Nxg6 $1
$16) 33. Ne2 f6 34. Qg3 Nf7 35. Nf3 Ne5 36. Nfd4 Nc7 37. Nc3 Qe8 (37... Rxa3
38. Bxa3 Rxa3 39. Ra1 Rxa1 40. Rxa1 $16) 38. Qh4 Rxa3 39. Bxa3 Rxa3 40. Nde2
Na6 41. Rb1 Nd3 42. Ra1 Rxa1 43. Rxa1 Naxb4 44. Bb1 Ne5 (44... f5 45. Ra7 (45.
exf5 Bxf5 46. Ra7 h5 47. Qe7 Qxe7 48. Rxe7 Nf2+ 49. Kg1 Bxb1 50. Nxb1 Nxd5 51.
Rxg7+ Kxg7 52. Kxf2 b4 $13) 45... fxe4 46. Nxe4 Qxe4 $1 47. Qxe4 Nf2+ 48. Kg1
Nxe4 49. Bxe4 Bf5 $13) 45. Qf2 Nbd3 46. Bxd3 Nxd3 47. Qb6 b4 48. Qb7 $1 Bf8 (
48... bxc3 49. Ra8 $18) 49. Ra8 Qf7 50. Na2 f5 51. Ra7 Nc5 52. Qxb4 fxe4 53.
Nac3 Qf1+ 54. Kh2 e3 (54... Bg7 55. Qb8+ Kf7 56. Qxd6 $18) 55. Ra8 Nd3 56. Qxc4
Ne1 57. Qe4 Bf5 58. Ng3 $1 Qf2 $2 (58... Bxe4 59. Nxf1 Bxg2 60. Nxe3 Bf3 61.
Ng4 $16) 59. Nxf5 gxf5 60. Qe6+ Kg7 (60... Kg7 61. Ra7+ Kh8 62. Qf6+ $18) 1-0

[Event "Yopal"]
[Site "Yopal"]
[Date "1997.06.23"]
[Round "4"]
[White "Milos, Gilberto"]
[Black "Arencibia Rodriguez, Walter"]
[Result "1-0"]
[ECO "C98"]
[WhiteElo "2605"]
[BlackElo "2560"]
[Annotator "Hecht,H"]
[PlyCount "111"]
[EventDate "1997.06.20"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[EventCategory "12"]
[SourceTitle "CBM 060"]
[Source "ChessBase"]
[SourceDate "1997.09.29"]
[SourceVersion "1"]
[SourceVersionDate "1997.09.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. dxc5 dxc5 14. Nh2 Nb8 15.
Ndf1 Nbd7 16. Ng3 Re8 17. Nf5 Bf8 18. Ng4 Kh8 19. Qf3 Ng8 20. h4 Ndf6 21. Nxf6
Nxf6 22. Bg5 Nd7 23. h5 f6 24. Bh4 Qc6 25. Rad1 Nb6 26. h6 Bxf5 27. hxg7+ Bxg7
28. Qxf5 Rad8 29. Rd5 Kg8 30. Re3 Qc8 31. Qh5 Rf8 32. Rg3 Kh8 33. Rh3 h6 34.
Qg6 Rd7 35. Bg5 fxg5 36. Qxb6 Rf6 37. Rxc5 Qa8 38. Qa5 Rxf2 39. Kxf2 Qf8+ 40.
Ke2 Qxc5 41. Qxa6 Kh7 42. Qe6 Rd6 43. Qf5+ Kg8 44. Rd3 Rxd3 45. Bxd3 {[%csl
Yb3,Yc4,Yd5,Ye6,Yf7,Yg6,Rg8,Yh7] [#] Mehrbauer, bessere Bauernstellung,
besserer Läufer für Weiß; Minusbauer, schlechte Bauernstellung, passiver
Läufer, schwache Königsstellung ==> Gewinn für Weiß} b4 46. cxb4 Qc1 47. b3
Qb2+ 48. Kf3 Qc3 49. Qd7 Qd2 50. Qc8+ Kh7 51. Qf5+ Kh8 52. Qc8+ Kh7 53. Qf5+
Kh8 54. Bc4 h5 (54... Qd1+ $142 {jetzt wird es matt.}) 55. Qc8+ Kh7 56. Bg8+
1-0

[Event "EU-ch 2nd"]
[Site "Ohrid"]
[Date "2001.06.01"]
[Round "1"]
[White "Bologan, Viktor"]
[Black "Sulskis, Sarunas"]
[Result "1-0"]
[ECO "C98"]
[WhiteElo "2676"]
[BlackElo "2530"]
[Annotator "Hecht,H"]
[PlyCount "123"]
[EventDate "2001.06.01"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "YUG"]
[SourceTitle "CBM 084"]
[Source "ChessBase"]
[SourceDate "2001.09.13"]
[SourceVersion "1"]
[SourceVersionDate "2001.09.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Na5 10. Bc2 c5 11. d4 Nc6 12. d5 Na7 13. Nbd2 Bd7 14. a4 Qc7 15. Nf1
Rae8 16. Be3 Nc8 17. N1d2 Bd8 18. Qe2 Qb7 19. Ra2 h6 20. Rea1 Bb6 21. axb5 axb5
22. b3 Ne7 23. b4 c4 24. Bxb6 Qxb6 25. Ra6 Qb8 26. Qe3 Nc8 27. Nh4 Re7 28. Nf1
Ne8 29. Ng3 Nc7 30. R6a2 Kh7 31. Ngf5 Ree8 32. g4 g5 33. Ng2 Bxf5 34. gxf5 Qb6
35. Qf3 Ne7 36. f6 Ng6 37. Qf5 Rd8 38. Bd1 Kh8 39. Bh5 Rg8 40. Kf1 Rdf8 41. Ra7
Rd8 42. Qg4 Rdf8 43. Qd7 Ne8 44. R1a6 Qb8 45. Ra8 Nxf6 46. Qf5 Nxh5 47. Rxb8
Rxb8 48. Rxd6 Ra8 49. Rd7 Rg7 50. Kg1 Kg8 51. Kh2 Nhf4 52. Nxf4 gxf4 53. Rxf7
Rxf7 54. Qxg6+ {[#] Kein Zusammenspiel zwischen den Türmen und jede Menge
Bauernschwächen.} Rg7 55. Qe6+ Kh7 56. Qf5+ Kg8 57. Qxe5 Rf8 58. h4 f3 59. Kh3
Rff7 (59... Rg2 60. d6 Rxf2 61. Qg3+ $18) 60. d6 Rg1 (60... Ra7 61. Qd5+ Kh8
62. e5 Ra1 63. Qxf3 Rag1 64. e6 $18) 61. Qd5 Kf8 62. d7 1-0

[Event "SCG-ch 2nd"]
[Site "Pancevo"]
[Date "2006.03.10"]
[Round "11"]
[White "Perunovic, Milos"]
[Black "Abramovic, Bosko"]
[Result "1-0"]
[ECO "C98"]
[WhiteElo "2508"]
[BlackElo "2507"]
[Annotator "Marin,M"]
[PlyCount "145"]
[EventDate "2006.02.27"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "YUG"]
[EventCategory "11"]
[SourceTitle "CBM 112"]
[Source "ChessBase"]
[SourceDate "2006.06.07"]
[SourceVersion "1"]
[SourceVersionDate "2006.06.07"]
[SourceQuality "1"]

1. e4 {Mueller,Karsten} e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5
7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Nc6 12. d5 Na5 {This position
can arise from the Romanischin line (11...Bb7) if Black answers 12.d5 with 12..
.Bc8 (rather than 12...Nc4).} 13. Nbd2 g6 14. b3 {It is considered that White
should avoid direct pawn contact on the queen side.} (14. b4 Nb7 15. a4 Bd7 16.
Nf1 (16. a5 Rc8 17. Nf1 Nh5 18. Bh6 Re8 19. Qd2 Bf8 20. Bg5 Be7 21. Be3 Bf6 $11
{1/2-1/2 De Firmian,N-Torre,E/Biel 1989/CBM 14 (39)}) 16... Qc7 17. Bh6 Rfc8
18. axb5 cxb4 19. bxa6 Nc5 20. cxb4 Nxa6 21. Ba4 Nxb4 22. Bxd7 Rxa1 23. Qxa1
$10 {1/2-1/2 Geller,E-Romanishin,O/Moscow 1985/MCL/[Dolmatov] (85)}) 14... Nh5
15. Nf1 Qc7 ({The transfer of the bishop to g7, starting with} 15... Bf6 {
is a solid option for Black.} 16. Ng3 Nxg3 (16... Nf4 17. Ne2 {1-0 Ilincic,Z 
(2430)-Abramovic,B (2485)/Yugoslavia 1989/CBM 013 (35)} Nxe2+ 18. Qxe2 Bg7 $132
{[%cal Yf7f5]}) 17. fxg3 Bg7 18. g4 Bd7 19. Be3 Nb7 20. Qe2 Qe7 21. a4 Rfc8 22.
Ra2 c4 23. b4 Nd8 24. Rea1 Rab8 25. axb5 axb5 26. Ra7 f6 27. g5 Nf7 {Black has
managed to display his forces harmoniously and is entitled to hope that he
will neutralise White's pressure along the a-file. 1/2-1/2 Klovans,J-Malaniuk,
V (2465)/Tallinn 1985/EXT 2000 (45)}) (15... Ng7 $5 {[%cal Yf7f5] This move
has been played only once, but deserves further investigation.} 16. N3h2 Bg5
17. Ng3 Bxc1 18. Qxc1 Bd7 19. Qh6 Qe7 20. Rf1 f5 $132 {1/2-1/2 Ilincic,Z (2430)
-Reyes,J (2445)/Vrnjacka Banja 1989/CBM 013 (67)}) ({The main alternative to
the text continuation is the natural developing move} 15... Bd7 16. Bh6 (16.
Be3 {1-0 Galliamova,A (2556)-Xie Jun (2528)/Kazan/Shenyang 1999/CBM 073/
[Wedberg] (40)}) 16... Re8 17. Qd2 (17. Ng3 Nxg3 18. fxg3 Bf8 19. Be3 Bg7 20.
g4 f6 21. Rf1 Rf8 22. Rf2 Nb7 23. Qe2 Qc7 24. Nd2 {1-0 Kotronias,V (2561)
-Markidis,K (2377)/Thessaloniki 2002/EXT 2004 (42)} Nd8 $11 {[%cal Yd8f7]}) (
17. g4 Nf4 18. Kh2 Bf6 19. Qd2 c4 20. Ng3 Bg7 21. Bg5 Qb6 22. Rg1 h6 $1 $36 {
[%cal Yg7c3] 0-1 Venkatesh,M (2439)-Iuldachev,S (2550)/Pune 2004/CBM 102 ext 
(37)}) 17... Bf8 (17... Bf6 18. Rac1 Bg7 19. Bg5 f6 20. Be3 f5 21. exf5 gxf5
22. Qd1 Nf6 23. Bg5 h6 24. Bh4 Qc7 25. Ng3 e4 26. Nd2 Nxd5 27. Ndxe4 Qc6 28. c4
$36 {1-0 Timman,J (2594)-Wedberg,T (2530)/Helsingborg 2002/CBM 090 ext (37)})
18. Bg5 Be7 19. Be3 Bf6 20. Rac1 c4 21. b4 Nb7 22. Ng3 Nxg3 23. fxg3 Be7 24. g4
{1/2-1/2 Psakhis,L (2555)-Romanishin,O (2560)/Yerevan 1986/EXT 99} a5 $132) 16.
Bh6 Re8 (16... Ng7 $5 {[%cal Yf7f5]} 17. g4 Nb7 18. Ng3 Nd8 19. a4 {1-0
Kveinys,A (2555)-Luetke,J (2335)/Bonn 1993/CBM 034 (48)} Rb8 $132 {[%cal Yf7f6,
Yd8f7,Yf6f5]}) 17. Ng3 (17. Qd2 Bf8 18. Bxf8 Rxf8 19. Kh2 Bd7 20. Ng3 Nf4 (
20... Nxg3 21. fxg3 Nb7 $11) 21. Nf5 $3 f6 (21... gxf5 22. g3 $1 $40) 22. g3
Nh5 23. Qh6 $36 {1-0 Dubinin,P-Korelov,A/URS-chT4 corr 1973/Corr 2000 (40)})
17... Nxg3 18. fxg3 {[%cal Ye1f1,Gf1f7,Yg3g4]} Bd7 $146 ({Strictly speaking,
this is a novelty.} 18... Nb7 {was played in 1/2-1/2 Benjamin,J (2581)-Xie Jun
(2557)/Seattle 2001/CBM 082/[Wedberg] (41). However, it does not make too much
difference whether Black plays ...Bd7 or ...Nb7 first, since both moves are
necessary anyway. The conceptual new idea in our main game belongs to White,
who refrained from causing direct pawn contact with c4 (as played in the
aforementioned game), thus depriving Black from queen side counterplay.}) 19.
Rf1 Nb7 20. Qd2 f6 21. g4 Nd8 22. g5 Nf7 23. gxf6 Bxf6 24. Nh2 Qd8 25. Be3 Bg5
26. Rf2 Bxe3 27. Qxe3 $11 {After this natural sequence of moves, Black has
solved the opening probnlems in a satisfactory way.} Qg5 $6 {Curiously, this
move will give White the possibility of maintaining a light, but persistent
initiative in the endgame.} (27... Rf8 $1 28. Raf1 Qg5 $11) 28. Qxg5 Nxg5 29.
Rf6 Nf7 30. Raf1 Re7 31. Bd1 Rd8 32. h4 Kg7 33. Bg4 $14 {In spite of his solid
position, Black still has to fight for complete equality.} Bxg4 34. Nxg4 h5 35.
Ne3 Nh6 36. a4 Ng8 37. R6f3 Rb8 38. axb5 axb5 39. g4 hxg4 40. Nxg4 Ra8 41. Ne3
Raa7 42. h5 Rf7 43. Rxf7+ Rxf7 44. Rxf7+ Kxf7 45. hxg6+ Kxg6 46. Nf5 Kg5 47.
Nxd6 Kf4 48. Kf2 Nf6 49. c4 b4 50. Ke2 Nd7 51. Kd3 Nf6 52. Nb7 Nd7 53. Nd8 Kf3
54. Ne6 Kf2 55. Ng5 Ke1 56. d6 Kd1 57. Nf3 Kc1 58. Ke3 Kc2 59. Nxe5 {'!?'
Mueller,Karsten. Mueller,Karsten: 'Ein guter Gewinnversuch, der erneut die
Faustregel bestätigt, dass in keinem Leichtfigurenendspiel die Leichtfigur so
oft geopfert wird wie im reinen Springerendspiel.'} Nxe5 60. Kf4 Nf7 61. e5
Kxb3 62. d7 Nd8 63. Kf5 Kxc4 64. e6 Nc6 {'!' Mueller,Karsten.} (64... b3 $2 {
Mueller,Karsten} 65. e7 b2 66. exd8=Q b1=Q+ 67. Kf6 Qf1+ 68. Ke7 Qe2+ 69. Kd6
Qd2+ 70. Kc6 Qg2+ 71. Kc7 Qg3+ 72. Kc8 Qg4 73. Qc7 Qh3 74. Kb7 Qb3+ 75. Qb6
Qf3+ 76. Ka7 Qf7 77. Qc7 $18) 65. d8=Q Nxd8 66. e7 Nb7 {'?' Mueller,Karsten.
Mueller,Karsten: 'Hier wird der Springer schnell zur Beute der weißen Dame.'} (
66... Nf7 $1 {Mueller,Karsten hätte remis gehalten:} 67. Ke6 Ng5+ 68. Kd6 Ne4+
69. Ke5 Nd2 70. e8=Q b3 $11 {und gegen die vereinigten schwarzen Streitkräfte
kann die Dame nicht gewinnen.}) 67. Ke5 {'!' Mueller,Karsten.} (67. e8=Q $4 {
Mueller,Karsten} Nd6+ $19) 67... b3 68. e8=Q b2 (68... Na5 {Mueller,Karsten}
69. Qa4+ Kd3 70. Qxa5 b2 71. Qa3+ Kc2 72. Qxc5+ $18) 69. Qf7+ Kc3 70. Qxb7 c4 (
70... Kc2 {Mueller,Karsten} 71. Qe4+ Kc1 72. Qc4+ Kd2 73. Qb3 Kc1 74. Qc3+ Kb1
75. Qxc5 $18) 71. Qe4 Kb3 72. Kd4 c3 73. Qd3 1-0

[Event "OHRA-A"]
[Site "Brussels"]
[Date "1986.12.??"]
[Round "3"]
[White "Nunn, John DM"]
[Black "Short, Nigel D"]
[Result "1-0"]
[ECO "C98"]
[WhiteElo "2590"]
[BlackElo "2615"]
[Annotator "Nunn,J"]
[PlyCount "59"]
[EventDate "1986.12.??"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "BEL"]
[EventCategory "16"]
[SourceTitle "CBM 001"]
[Source "ChessBase"]
[SourceDate "2004.01.01"]
[SourceVersion "1"]
[SourceVersionDate "2004.01.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 {A somewhat passive
alternative to the usual lines with 12...cxd4 or 12...Bd7. The idea is to
answer d5 by ...Nd8, aiming for a solid defensive set-up by ...g6, ...Ne8-g7, .
..f6 and ...Nf7.} 13. d5 Nd8 14. Nf1 Ne8 15. a4 {Although White is aiming for
a future kingside attack, he firstly improves his position on the queenside as
much as possible. This move gains control of the a-file, which may seem
irrelevant now but later proves very important.} Rb8 16. axb5 axb5 17. b4 {
White would like to force Black to play ...c4, closing the position on the
queenside. Then not only would White be free to concentrate on his kingside
attack, but he would also have the possibility to play Be3 and R a7 later.} c4
{Black gives in rather easily.} (17... g6 {would be more flexible, but sooner
or or later Black would probably have to play ...c4 in any case, since if he
were to play ...Ng7, moving away from d6, White could contemplate bxc5.}) 18.
Ng3 {The first new move of the game.} ({Karpov had once played} 18. N3h2 {
against Spassky, and in fact Karpov's move is more accurate, since the knight
on g3 can become tactically exposed to ...Bh4.}) 18... g6 19. Nh2 {White's
only method of making progress on the kingside is to arrange f4 to open up
lines.} Ng7 20. Rf1 ({Necessary preparation since} 20. f4 $2 Bh4 21. Qf3 f5 $1
{is good for Black, so first of all White must make sure the knight is not
pinned after f4 Bh4.}) 20... Bd7 $6 {A mistake. Black hopes to challenge the
a-file one day, so he starts clearing pieces off the back rank. Unfortunately
this move cuts off the queen from the kingside.} (20... f6 21. f4 exf4 22. Bxf4
Nf7 $14 {was better, with an edge for White.}) 21. f4 Bh4 22. Qf3 f5 {It is
obviously risky to open the position up, but otherwise White plays f5 and
Black has a horribly passive position.} 23. fxe5 ({Not} 23. exf5 Bxg3 24. Qxg3
Bxf5 $13 {with an unclear position.}) 23... dxe5 (23... f4 {would be
interesting, based on the idea} 24. Bxf4 $140 $2 ({but} 24. Ne2 dxe5 25. g3 $1
{keeps the advantage.}) 24... Qb6+ {followed by ...dxe5.}) 24. exf5 Bxg3 ({
Black must part with his important defensive bishop since} 24... gxf5 25. Nxf5
$1 Rxf5 (25... Nxf5 26. Qg4+) ({or} 25... Bxf5 26. g4) 26. Bxf5 Bxf5 27. g4 e4
28. Qf4 $1 {wins material for White.}) 25. Qxg3 Nxf5 (25... gxf5 26. Ng4 $1
fxg4 27. Bxh7+ Kxh7 28. Rxf8 Qb6+ 29. Be3 Qg6 30. Ra6 $1 Qxa6 31. Qh4+ $18 {
the first variation in which the open a-file is important.}) 26. Qf2 Nb7 {
Black not only meets the threat of g4, but also introduces his own
counter-threat of ...Nd4.} 27. Ng4 h5 {It seems that White has gone wrong,
because if the knight retreats Black can play ...Nd4, but there is a surprise
in store for Black.} 28. Ra6 $1 hxg4 {Black has no decent way to defend g6, so
he accepts the sacrifice. For example:} (28... Kh7 29. Nf6+ Kg7 30. Nxh5+ gxh5
31. Bh6+ Nxh6 32. Rg6+ Kh7 33. Rc6+) 29. Rxg6+ Ng7 ({Or} 29... Kh7 30. Rxg4 {
with the threat of Qh4 mate.}) 30. Rxg7+ (30. Rxg7+ {After} Kxg7 {White mates
by} 31. Bh6+ Kg8 ({or} 31... Kxh6 32. Qh4+ Kg7 33. Qh7#) 32. Qxf8+ Rxf8 33.
Rxf8#) 1-0

[Event "URS-ch28 Final & Zonal"]
[Site "Moscow"]
[Date "1961.01.21"]
[Round "7"]
[White "Polugaevsky, Lev"]
[Black "Averbakh, Yuri L"]
[Result "1/2-1/2"]
[ECO "C98"]
[Annotator "Polugaevsky,L"]
[PlyCount "113"]
[EventDate "1961.01.10"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "URS-ch"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. dxc5 dxc5 14. Nf1 Rd8 15.
Qe2 Rb8 16. Ne3 g6 17. a4 Bf8 18. axb5 axb5 19. Nh2 Be6 20. Nhg4 Nxg4 21. hxg4
Rd6 22. g5 Qd7 23. Rd1 Rxd1+ 24. Bxd1 Qd8 25. Ng4 Bxg4 26. Qxg4 Ra8 27. Rxa8
Qxa8 28. Qe2 Qa1 29. Qc2 Na5 30. b3 c4 31. b4 Nb3 32. Be3 h5 33. gxh6 Kh7 34.
g4 Bxh6 35. g5 Bf8 36. Kg2 Qa8 37. Bf3 Qa1 38. Bg4 Nd4 39. Qd2 Bg7 40. Bd7 Qb1
{[%mdl 4096] Auf Grund der chronischen Schwäche der schwarzen Bauern am
Damenflügel und des großen Unterschieds in der Aktivität der entsprechenden
Figuren ist die Stellung von Weiß zweifellos besser. Zwar treibt sich die
schwarze Dame im weißen Hinterland herum, was Weiß manche Mühe kosten wird,
aber im großen und ganzen darf Weiß mit einem Sieg rechnen.} {Im Umschlag war
der Zug} 41. f3 {Die dabei entstehende Position untersuchte ich gemeinsam mit
meinem damaligen Trainer Lev Solomonovich Aronin.} {Unsere Analyse ergab
schließlich, daß die stärkste schwarze Erwiderung} Qa1 {lautet. Tatsächlich
wählte Averbakh eben diesen Zug.} ({Vor allem nahmen wir} 41... Nb3 {unter die
Lupe.} 42. Qe2 (42. Qd5 $2 Qc2+ 43. Kg3 Qxc3 44. Bf2 Nd2 $40) 42... Nd4 43. Qf2
(43. cxd4 $5)) 42. Be8 $1 {[%csl Rf7] Auf den ersten Blick ist der Sinn dieses
Zuges schwer zu begreifen, doch in Wirklichkeit ist es ein sehr starker Zug.
Weiß lockt den schwarzen König nach g8, wo er, wenn die weiße Dame ihr Lager
verlassen hat und sich am Überfall auf f7 beteiligt, ernsten Gefahren
ausgesetzt sein wird.} Kg8 43. cxd4 c3 $5 {Diesen Zug hatten wir vorher nicht
ernstgenommen, und nun fand dieses Versehen seine gerechte Sühne. Ja, wir
hatten die Empfehlungen Botvinniks, alle möglichen Fortsetzungen bis auf die
letzte zu untersuchen, nicht befolgt! Bei der Analyse begnügten wir uns mit
der Feststellung, daß dieser Zug die Formation der schwarzen Bauern "verderbe"
und die Blockade des c- und d-Bauern erleichtere, aber 10-15 Minuten dieser
Fortsetzung zu widmen schien uns nicht der Mühe wert. Eigentlich steht Weiß
auch nach diesem Zug auf Gewinn. Aber in der plötzlich entstandenen, mir
unbekannten und dazu noch sich rasch verschärfenden Situation konnte ich mich
direkt am Brett nicht zurechtfinden, beging einen Fehler, geriet in Zeitnot
und entkam einer Niederlage nur mit großer Mühe.} (43... exd4 44. Bf2 c3 45.
Qf4 $1 {[%csl Rf7]} Qa7 (45... Qa2 46. Bc6 c2 47. Bd5 Qa7 48. Bb3) 46. Bxb5 {
[%cal Yb5d3]}) 44. Qd3 $1 {Die Berechnung von Varianten, die auf dem erwähnten
Überfall auf den Punkt f7 beruhen, nahm ungeheuer viel Zeit in Anspruch:} (44.
Qf2 exd4 ({für} 44... Qb2 {reicht Schwarz die Zeit schon nicht aus:} 45. dxe5
c2 46. e6 {und Weiß gibt die Figur zurück, erlangt Angriff und behält 2
Mehrbauern bei verschiedenfarbigen Läufern}) 45. Bxd4 Bxd4 46. Qxd4 Qa2+ 47.
Kg3 c2 48. Qc5 {, und nach} Qb2 ({aber nach} 48... Qc4 $142 {muß Weiß die
Waffen strecken}) 49. Qe7 {gewinnt Weiß}) {Deshalb beschloß ich, eine
Offensive bis auf weiteres zu verschieben und zuerst die schwarzen Bauern zu
blockieren.} 44... Qb2+ 45. Kh3 $1 ({Weniger genau ist} 45. Kg3 {wonach
Schwarz mit} exd4 46. Bf4 {[%csl Rc1,Rf4,Rg3][%cal Yg7e5] gewisse Chancen
erlangen würde, die auf dem Ausfall Lg7-e5 und der Ablenkung des weißen
Läufers vom Feld c1 beruhen.}) 45... exd4 46. Bf4 ({Bei} 46. Bxd4 Bxd4 47. Qxd4
Qc1 {erzwingt Schwarz Dauerschach.}) 46... c2 47. Qf1 {Um den Preis arger
Zeitnot und allergrößter Anstrengung gelang es Weiß, etliche stärkere Züge zu
finden und die gegnerischen Bauern zu stoppen.} Bf8 $1 ({Nach} 47... d3 {
würde Schwarz lediglich seine Bauern einbüßen.} 48. Bxb5 {[%cal Rb5d3] Deshalb
versuchte er, mit seinem Läufer die Schräge a3-c1 zu erreichen, um seinem
Bauern c2 das Feld c1 zu sichern.}) 48. Bxb5 Bd6 ({Nichts würde} 48... Bxb4 {
an der Sache ändern, denn der weiße Läufer besetzt sowieso den Punkt c1.}) 49.
Bc1 Qxb4 50. e5 $4 ({Hätte Weiß die entstandene Position vorausgesehen, so
könnte er hier mühelos gewinnen:} 50. Bd3 Qb1 51. f4 {mit entscheidendem
Angriff auf den König (e4-e5 und f4-f5).} {Auf} Qa1 {wäre das sorgfältige} ({
Zu spät käme das schwarze Manöver} 51... Bb4 52. e5 Bc3 {mit der Absicht 53...
Lb2} {wegen} 53. f5 gxf5 ({falls} 53... Bb2 {, so} 54. fxg6 {mit Matt}) 54.
Bxf5 Bd2 55. Bh7+ $1 Kf8 (55... Kxh7 56. Qxf7+ Kh8 57. g6 $18) 56. e6 {, und
Weiß gewinnt.}) 52. Kg4 {möglich, damit nach} Ba3 53. Bxa3 Qxa3 {der Läufer d3
nicht gefesselt ist.}) {Ich ließ mich aber von der absurden Idee verführen,
den gegnerischen Läufer nach e5 zu locken, um ihn danach mit der Dame zu
überfallen. Dabei hoffte ich, die Dame mit Tempogewinn auf d2 zu verlegen und
entweder den Bauern c2 zu gewinnen oder den Punkt f7 angreifen zu können. Was
aus meiner Idee herauskam, ist aus dem Fortgang der Partie ersichtlich.} 50...
Bxe5 51. Bd3 Qb1 52. Qe1 Bf4 53. Bc4 {Das zweite Ziel scheint erreicht zu sein:
Entweder wird Schwarz in zwei Zügen mattgesetzt oder (nach 53...Db7) büßt er
die Dame ein.} Be3 {Eben diesen Zug hatte Weiß glatt übersehen und fand sich
sofort am Rand einer Katastrophe.} 54. Qa5 ({Bei ausgehender Zeit gelang es
mir jedoch, die Dame aus der Falle herauszuhauen (bei} 54. Bd3 Qxc1 55. Qxc1
Bxc1 56. Bxc2 Bxg5 {kann Weiß, ungeachtet der Verschiedenfarbigkeit der Läufer,
das Endspiel verlieren).}) 54... Qxc1 {Es ist durchaus möglich, daß Averbakh
hier seinerseits einen Fehler beging, indem er sofort nach meinem Läufer griff,
was mir die Möglichkeit gab, Dauerschach zu erzwingen.} 55. Bxf7+ Kxf7 ({Oder} 
55... Kg7 56. Qe5+ {mit dem gleichen Ergebnis.}) 56. Qd5+ Ke7 57. Qe5+ 1/2-1/2

[Event "Match/Training Botvinnik-Kan +8-0=8"]
[Site "Moscow"]
[Date "1954.02.07"]
[Round "?"]
[White "Kan, Ilia Abramovich"]
[Black "Botvinnik, Mikhail"]
[Result "0-1"]
[ECO "C98"]
[Annotator "Primel,D"]
[PlyCount "80"]
[EventDate "1954.01.22"]
[EventType "match"]
[EventRounds "16"]
[EventCountry "URS"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. d5 Na5 (13... Nd8) 14. Nf1
(14. b3 $142 {[%csl Ra5,Gc4];Alexander,C-Keres,P Hastings 3738 1937 (8) 1/2})
14... Nb7 15. g4 c4 16. Ng3 a5 17. Bd2 Nc5 18. Kh2 $1 {[%csl Rg7][%cal Ge1g1,
Gg3f5]} Qb6 19. Be3 b4 20. Nd2 Ba6 21. Nf5 $14 Bd8 22. Rg1 Qc7 23. Qf3 Nfd7 24.
h4 Rb8 25. Bh6 $6 (25. Rab1 $11) 25... gxh6 26. g5 h5 27. Qxh5 Kh8 28. g6 fxg6
29. Rxg6 Nf6 $17 30. Qh6 Ng8 31. Qh5 Nf6 32. Qh6 Ng8 33. Qh5 Nd7 34. Rg7 Ndf6
35. Qf3 Qxg7 $3 36. Nxg7 Kxg7 37. Rg1+ Kh8 38. Qg2 Rb7 39. Bd1 Rbf7 40. Kh1 Nh6
{[%mdl 512]} 0-1

[Event "Match/Training Botvinnik-Kan +8-0=8"]
[Site "Moscow"]
[Date "1954.01.27"]
[Round "5"]
[White "Kan, Ilia Abramovich"]
[Black "Botvinnik, Mikhail"]
[Result "0-1"]
[ECO "C98"]
[Annotator "Primel,D"]
[PlyCount "82"]
[EventDate "1954.01.22"]
[EventType "match"]
[EventRounds "16"]
[EventCountry "URS"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3
d6 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. dxc5 $5 {Un carrefour
important dans cette variante TCHIGORINE, les blancs peuvent choisir de fermer
le centre par d4d5 afin de gagner de l'espace et pouvoir attaquer а l'aile-roi
ou encore jouer dc5 pour essayer de profiter de la case forte d5. FISCHER a
expliqué dans son livre "mes 60 meilleures parties " la manière d'exploiter
cet avant-poste "d5"} (13. d5 Nd8 {Bogoljubow,E-Rubinstein,A DSB-24.Kongress
1925 (4) 1/2}) 13... dxc5 14. Nf1 {[%csl Gd5][%cal Gf1e3,Ge3d5]} Rd8 $1 {
gagnant un tempo important afin de retarder Nf1e3d5} (14... Be6 15. Ne3 Rad8
16. Qe2 c4 17. Nf5 $14) 15. Qe2 Nh5 {[%csl Gf4]} 16. a4 $5 {thématique dans ce
genre de structure} (16. g4 $5 {plus ambitieux} Nf4 17. Bxf4 exf4 18. e5 $1 {
[%csl Gd6][%cal Ga1d1];Saigin,V-Borisenko,G URS-ch sf Minsk 1952 1-0}) 16...
Rb8 17. axb5 axb5 18. g4 (18. g3 g6 {[%csl Gf5]} (18... Bxh3 $143 19. Ng5 Bxf1
20. Qxh5 Bxg5 21. Bxg5 f6 (21... Bc4 22. Bxd8) 22. Rxf1 fxg5 23. Qxg5)) 18...
Nf4 19. Bxf4 exf4 20. e5 $1 g6 21. Qe4 f6 $5 22. Qxf4 fxe5 23. Qe3 c4 24. Ng3 {
[%cal Gg3e4]} Qb6 (24... b4) 25. Qh6 (25. Be4) 25... Bf8 26. Qh4 Be7 (26... Rb7
{[%cal Gb7h7]}) 27. Ng5 Bxg5 28. Qxg5 Rf8 29. Re3 Rb7 30. Be4 (30. Ne4 $142 {
[%csl Gf6]} Rbf7 31. Nd6 Rxf2 32. Nxc8 $40) 30... Rd7 31. h4 Bb7 32. Rae1 (32.
Bf5 $1 Rd2 33. Ne4 Rxb2 34. Nf6+ $40) 32... Nd8 33. R3e2 $2 (33. h5 $142 $36 {
la suite naturelle} Nf7 34. Qh4 g5 35. Qh1 Bxe4 36. Nxe4 $14 {[%csl Ge4]})
33... Ne6 $15 34. Qxe5 Nf4 $40 35. Re3 $2 (35. h5 Nxe2+ 36. Rxe2 Qf6 37. Bxb7
Qxe5 38. Rxe5 Rxb7 39. hxg6 hxg6 40. Ne4) 35... Nh3+ $40 36. Kg2 Nxf2 37. Rf3
Rxf3 38. Bxf3 Bxf3+ 39. Kxf3 Rf7+ 40. Kg2 Qb7+ 41. Ne4 Re7 0-1

[Event "Match/Team URS-World 20,5-19,5"]
[Site "Belgrade"]
[Date "1970.04.02"]
[Round "3.6"]
[White "Reshevsky, Samuel Herman"]
[Black "Smyslov, Vassily V"]
[Result "1-0"]
[ECO "C98"]
[WhiteElo "2590"]
[BlackElo "2620"]
[Annotator "Reshevsky/Smyslov"]
[PlyCount "107"]
[EventDate "1970.03.29"]
[EventType "team"]
[EventRounds "4"]
[EventCountry "YUG"]
[SourceTitle "MCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
[WhiteTeam "World"]
[BlackTeam "Soviet Union"]
[BlackTeamCountry "URS"]
[TimeControl "40/9000:16/5400:0"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Na5 10. Bc2 c5 11. d4 Nc6 12. Nbd2 Qc7 13. dxc5 dxc5 14. Nf1 Be6 15.
Ne3 Rad8 16. Qe2 c4 17. Nf5 Rfe8 18. Bg5 Nd7 19. Bxe7 $1 {Reshevsky=:R} (19.
Nxe7+ Nxe7 20. a4 f6 21. Be3 Nc5 22. axb5 axb5 23. Red1 Ng6 24. Rxd8 Rxd8 25.
Rd1 Rxd1+ 26. Qxd1 Nf8 27. Qa1 Kf7 28. Qa8 Qb7 29. Qxb7+ Nxb7 30. Nd2 Nd7 31.
b3 cxb3 32. Nxb3 Nd6 33. Na5 Nc4 {1/2-1/2 (33) Vasiukov,E-Smyslov,V Moscow 1969
}) 19... Nxe7 20. Ng5 {P h5/ g4, e3 R} Ng6 (20... h6 21. Nxe6 fxe6 22. Ne3 {R})
21. g3 h6 $146 (21... Nc5 22. Rad1 Bc8 23. h4 h6 {1/2-1/2 (23) Parma,
B-Ivanovic,B Novi Travnik 1969}) 22. Nxe6 fxe6 23. Ne3 Nc5 24. Rad1 Rxd1 25.
Rxd1 Rd8 26. b4 $1 cxb3 (26... Nb7 27. a4 {R}) (26... Rxd1+ 27. Qxd1 Nd7 {
Smyslov=:S}) 27. Rxd8+ Qxd8 28. axb3 Qd6 29. b4 Nd7 30. Bb3 Nf6 31. Ng4 Nxg4 $2
{R/S} (31... Nd7 $16 {R}) (31... Nf8 $142 32. Nxf6+ (32. Qf3 Nxg4 33. Qxg4 Kf7)
32... gxf6 33. Qe3 Qc7 $1 {S}) 32. Qxg4 Nf8 33. Qf5 $1 $18 {R/S} Qc7 (33... Kh8
34. Qf7 {R}) 34. Bxe6+ Nxe6 35. Qxe6+ Kf8 (35... Kh7 {S}) 36. Qxa6 Qxc3 37.
Qxb5 Qe1+ 38. Kg2 Qxe4+ 39. Kh2 Ke7 40. Qc5+ Ke6 41. Qc8+ Kf7 (41... Ke7 42.
Qg4 {S}) 42. Qd7+ Kg8 43. b5 Qc2 44. Qd5+ Kh7 45. Kg2 e4 46. Qd4 Kg8 47. b6 Qb3
48. Qc5 {P c8, b7} Qb2 49. Qc6 $1 {S} (49. Qc8+ Kh7 50. b7 e3 51. Qf5+ Kg8 {S})
49... Kf7 50. h4 g6 51. Qc7+ Ke6 (51... Kf6 52. b7 e3 53. Qf4+ {P 54.b8 S}) 52.
Qh7 Qf6 53. Qxh6 Qf3+ 54. Kg1 1-0

[Event "URS-chT Cup 03rd sf"]
[Site "Riga"]
[Date "1961.10.18"]
[Round "7"]
[White "Tal, Mihail"]
[Black "Averbakh, Yuri L"]
[Result "1-0"]
[ECO "C98"]
[Annotator "Tal,M/Primel,D"]
[PlyCount "61"]
[EventDate "1961.10.08"]
[EventType "team-match"]
[EventRounds "7"]
[EventCountry "URS"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Daugava"]
[BlackTeam "Trud"]
[WhiteTeamCountry "URS"]
[BlackTeamCountry "URS"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. dxc5 dxc5 14. Nf1 Rd8 15.
Qe2 g6 16. Ne3 Rb8 17. Ng5 Bf8 ({RR} 17... Bb7 18. Bb3 Rf8 19. Nd5 Nxd5 20.
Bxd5 Bf6 21. Qg4 ({RR} 21. Qf3 Bg7 22. Qg3 Ne7 23. Bxb7 Rxb7 24. Qh4 h6 25. Nf3
Kh7 26. Be3 Rd8 27. Rad1 Rxd1 28. Rxd1 c4 29. g4 Ng8 30. Qd8 Nf6 31. Qxc7 Rxc7
32. Nd2 Rd7 33. Rb1 Bf8 34. Kf1 Bc5 35. Ke2 Bxe3 {Suetin,A-Averbakh,Y/Kiev
1964/URS-ch/1/2-1/2 (41)}) 21... Kg7 22. Qh4 h5 23. Qg3 Ne7 24. Bxb7 Rxb7 25.
Be3 Rd8 26. Rad1 c4 27. f4 Rbb8 28. Nf3 Rxd1 29. Rxd1 Nc6 30. Rd5 Re8 31. f5
Ne7 32. Rd1 {Liberzon,V-Filip,M/Yerevan 1965/MCL/1/2-1/2 (37)}) 18. Qf3 Bg7 19.
Nd5 $1 {[%csl Gd5]} Qd6 (19... Nxd5 20. exd5 Na5 $132) 20. Be3 h6 21. Nxf6+ {
[%csl Rd6][%cal Ga1d1] I managed to celebrate my son's first birthday wtih a
victory over Averbackh (the life and Games of M Tal)} Bxf6 $6 (21... Qxf6) 22.
Rad1 Qe7 23. Bxc5 $1 Rxd1 24. Rxd1 Qxc5 25. Qxf6 hxg5 26. Bb3 {[%cal Gb3g8,
Gf6g6]} Rb7 27. Qxg6+ Kf8 28. Qh6+ Ke8 29. Rd5 Qb6 30. Qh8+ Ke7 31. Qxc8 {
The Daugava Team reached the final wich pleased us all.} 1-0

[Event "Tilburg Fontys"]
[Site "Tilburg"]
[Date "1998.10.24"]
[Round "2"]
[White "Svidler, Peter"]
[Black "Piket, Jeroen"]
[Result "1-0"]
[ECO "C98"]
[WhiteElo "2710"]
[BlackElo "2605"]
[Annotator "Wedberg,T"]
[PlyCount "93"]
[EventDate "1998.10.23"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "NED"]
[EventCategory "18"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 Nc6 13. d5 Nd8 14. a4 Qb7 15. Nf1
Ne8 16. N3h2 f6 17. b3 (17. Ng3 g6 18. f4 exf4 19. Bxf4 Nf7 20. Nf3 Bd7 $14 {
1/2-1/2 Jansa,V-Nikolic,Z/Vrnjacka Banja 1982/MCD (41)}) 17... Nf7 18. f4 exf4
19. Bxf4 Ne5 20. Ne3 g6 21. Neg4 Bxg4 22. Nxg4 Nxg4 23. hxg4 $1 {An
intreresting decision. The point is that after a later f5 by Black, the
manouvre exf5 gxf5 and then g5 will keep the black minor pieces caged in. The
h-file is also opened for attack. So White now has an easy way to mobilise
against Blacks K.} (23. Qxg4 Ng7 $14) 23... Nc7 24. Rf1 Rf7 25. Qf3 b4 26. Bd2
(26. c4 {Now Black can concentrate on the K-side and probably defend even
though White is better.}) 26... a5 27. cxb4 cxb4 28. Rac1 Raf8 $2 (28... Na6
$142 {/\Nc5}) 29. Bd3 $1 {[%mdl 32] There is a gaping hole on c6. We now get
an example of the classical principle of two weaknesses. White can probe Black
on both the K and Q-side. This double stress will in the end be to much for
the defenders, since they lack coordination and space.} Na6 30. Bxa6 $1 $16 {
Not allowing the blocking Nc5.} Qxa6 31. Rc6 Qa7+ 32. Be3 Qd7 33. Rfc1 Ra8 34.
Rc7 Qe8 35. Bd4 Bd8 36. R7c6 Be7 37. Rc7 Bd8 38. R7c6 Be7 39. R1c4 h6 40. Rc7
Bd8 41. R7c6 Be7 42. Rc7 Bd8 43. Rxf7 Qxf7 44. Qf4 Qd7 45. Rc6 Be7 46. Qxh6
Qxg4 47. Rc7 (47. Rc7 Qxe4 48. Bxf6 $18) 1-0

[Event "USA-CHN Summit"]
[Site "Seattle"]
[Date "2001.03.15"]
[Round "2.5"]
[White "Benjamin, Joel"]
[Black "Xie, Jun"]
[Result "1/2-1/2"]
[ECO "C98"]
[WhiteElo "2581"]
[BlackElo "2557"]
[Annotator "Wedberg,T"]
[PlyCount "82"]
[EventDate "2001.03.14"]
[EventType "team"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "CBM 082"]
[Source "ChessBase"]
[SourceDate "2001.05.17"]
[SourceVersion "1"]
[SourceVersionDate "2001.05.17"]
[SourceQuality "1"]
[WhiteTeam "US of America"]
[BlackTeam "China"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "CHN"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 Na5 10. Bc2 c5 11. d4 Nc6 12. d5 Na5 13. b3 Qc7 14. Nbd2 g6 {Quite a
direct approach to the position. Black intends to regroup on the K-side with
Nh5 and later Nf4 or Ng7 followed by f5.} ({The alternative is} 14... Bd7 15.
Nf1 Nb7 16. Ng3 (16. c4 bxc4 (16... Rfb8 17. Ng3 g6 18. Nh2 Ne8 19. Ng4 Nd8 20.
Nh6+ Kh8 21. f4 $16 {Tischbierek,R-Lengyel,B, Budapest 1987.}) 17. bxc4 Rfb8
18. Bd2 Qc8 19. a4 $14 {Balashov-Holmov, SSSR(ch) 1969.}) 16... g6 (16... c4
17. b4 Rfc8 18. Nf5 Bf8 19. Nh2 a5 20. Re3 axb4 21. cxb4 Bxf5 22. exf5 c3 23.
Ng4 $1 Be7 24. Nxf6+ Bxf6 25. Re4 $1 {1-0 Geller,E-Mecking,H/Palma de Mallorca
1970/IZT/[ChessBase] (48)}) 17. Bd2 (17. Nh2 c4 18. b4 a5 19. Bh6 Rfe8 20. Qd2
axb4 21. cxb4 Ra3 $10 {Horvath,J-Lengyel,B, Budapest 1987.}) 17... Rfb8 18. Nh2
Be8 19. f4 exf4 20. Bxf4 Nd7 21. Ng4 Ne5 22. Rf1 Kh8 23. Qd2 $16 {
Kuzmin-Averbach, SSSR 1974}) 15. Nf1 Nh5 16. Bh6 Re8 $146 {[%mdl 8]} (16... Ng7
17. g4 Bd7 (17... f6 18. Ng3 Bd7 19. Nd2 Nb7 20. Ndf1 Nd8 21. Kg2 Nf7 22. Bd2
Rac8 23. Ne3 Nd8 24. Rf1 Nf7 25. f3 Nd8 26. Qe2 Nf7 {1/2-1/2 De Leon,O-Jimenez,
J/Caracas 1973/EXT 2000 (26)}) 18. Ng3 Nb7 19. Kh2 f6 20. Rg1 $14 {1-0 Parma,
B-Sines,J/Vrbas 1982/MCD (47)}) 17. Ng3 {An interesting decision, but
exchanges should favour Black due to her lack of space. It also takes away the
important possibility to challenge Black´s cntre with f2-f4. The positive
aspect is the f-file. But on balance Black should be happier than White with
this exchange.} (17. N3h2 $5 {[%cal Yh2g4]}) 17... Nxg3 18. fxg3 Nb7 19. c4 Bd7
20. Rf1 Bf8 21. Bd2 Bg7 22. Nh2 Rf8 23. Qe2 Nd8 24. Rf2 Qb7 25. Raf1 bxc4 $1 {
Black's counterplay on the Q-side is not to be underestimated. Especially
since it is quite unclear how White is going to increase the presure on the
K-side.} 26. bxc4 Qb2 27. Bb1 (27. Bb3 $6 a5 $36) 27... Rb8 28. Qd1 Qd4 29. Qc1
Qb2 $6 (29... f5 $1 {looks simpler} 30. exf5 (30. Be3 $4 Rxb1 $19) 30... Bxf5
31. Bxf5 Rxf5 $132) 30. Qxb2 $1 Rxb2 31. Bg5 Rxf2 32. Rxf2 f6 33. Be3 $14 {
White gets first to the b-file.} Nf7 34. Rb2 f5 35. Rb7 Bc8 36. Rc7 Bf6 37. Nf3
a5 38. Nd2 Ng5 39. h4 (39. Bc2 $5) 39... Nf7 40. Bc2 f4 $6 41. Bf2 $2 ({Why not
} 41. gxf4 $1 {with the R well placed on c7 White should welcome some action
on the other side to increase the pressure on Blacks cramped position.} exf4 (
41... Bxh4 42. Nf3 Bg3 43. f5 $36) 42. Bxf4 Bxh4 43. Nf3 Bf6 44. e5 $1 dxe5 45.
Be3 $16) 41... Bg4 1/2-1/2

