[Event "Landesliga Sued 9495"]
[Site "Bayern"]
[Date "1995.04.30"]
[Round "8.1"]
[White "Riedel, Wolfgang"]
[Black "Lechtynsky, Jiri"]
[Result "0-1"]
[ECO "E22"]
[WhiteElo "2310"]
[BlackElo "2410"]
[Annotator "Bulletin"]
[PlyCount "84"]
[EventDate "1994.10.09"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "GER"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]
[WhiteTeam "Graefelfing SK"]
[BlackTeam "Krumbach SK"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "GER"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Bxc5 6. Nf3 O-O 7. Bg5 h6 8.
Bh4 Be7 9. e4 d6 10. Be2 b6 11. Rd1 Nbd7 12. e5 dxe5 13. Nxe5 Qc7 14. Nxd7 Bxd7
15. Ne4 Nxe4 16. Bxe7 Rfe8 17. Ba3 Rad8 18. O-O Bc6 19. Qe3 Rxd1 20. Rxd1 e5
21. f3 Ng5 22. Bd6 Qc8 23. c5 b5 24. b4 a6 25. Re1 e4 26. f4 $5 (26. fxe4 $142
Nxe4 27. Bf4 $14) 26... Nf3+ $1 27. gxf3 exf3 28. Qf2 fxe2 (28... Qg4+ $1 29.
Kf1 (29. Kh1 $2 fxe2+) 29... Qh3+ 30. Kg1 Re6 31. f5 Qg4+ 32. Kf1 (32. Bg3 Rxe2
$19) 32... fxe2+ 33. Rxe2 Rxe2 34. Qxe2 Qxf5+ $17) 29. Rxe2 Qg4+ 30. Kf1 Qh3+
31. Kg1 Qg4+ 32. Kf1 Qh3+ 33. Kg1 Rxe2 34. Qxe2 Qc3 35. Kf2 Qxb4 36. Ke3 Bd5
37. Kf2 Qd4+ 38. Kg3 f5 39. c6 Qc3+ $19 40. Kh4 Qf6+ 41. Kg3 Qg6+ (41... Qxd6)
42. Kf2 Qxd6 0-1

[Event "Christmas Congress 1949/50-25 Premier"]
[Site "Hastings"]
[Date "1950.01.04"]
[Round "6"]
[White "Euwe, Max"]
[Black "Szabo, Laszlo"]
[Result "0-1"]
[ECO "E22"]
[Annotator "Chekhov,V"]
[PlyCount "100"]
[EventDate "1949.12.29"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "ENG"]
[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 Nc6 (4... c5 $5) 5. Nf3 d5 6. Bg5 (6. a3
dxc4 7. Qxc4 Bd6 8. Bg5 h6 9. Bh4 g5 10. Bg3 Bxg3 11. hxg3 g4 12. Ne5 Qxd4 13.
Qxd4 Nxd4 14. Rd1 Nc6 15. Nxc6 bxc6 $10) 6... h6 7. Bxf6 Qxf6 8. e3 O-O $6 (
8... dxc4 $5 9. Bxc4 O-O 10. O-O Qe7 11. Qc2 Bd6 12. Rad1 Kh8 13. a3 e5 14. Nd5
Qe8 {Eliskases,E-Fisher,R/Buenos Aires/1960/}) 9. cxd5 exd5 10. Qxd5 (10. Bb5
Qd6 11. a3 Ba5 12. Bxc6 Qxc6 13. O-O Be6 $10 {Jongsma,W-Medina,M/Amsterdam/
1967/}) 10... Re8 (10... Rd8 11. Qb3 Be6 12. Bc4 $16) (10... Be6 11. Qb5 $1 a6
12. Qd3 Na5 13. Be2 c5 14. O-O $16 {Roessel-Filipsson/Varna/1958/}) 11. Be2 g5
$5 12. O-O g4 13. Nd2 Nxd4 14. exd4 (14. Bxg4 Bxg4 15. Qxd4 Qxd4 16. exd4 Rad8
17. Nb3 Be6 $44) 14... Bxc3 15. bxc3 Rxe2 16. Ne4 Qe7 17. Ng3 Rb2 18. Rae1 $6 (
18. Rab1 $1 $16) 18... Be6 19. Qe4 Qg5 20. f4 Qd5 21. f5 Qxe4 22. Rxe4 Bxa2 23.
Rxg4+ Kh8 $13 24. Ne4 $6 (24. Rh4 $5) 24... a5 25. Rf3 Rg8 26. Rxg8+ (26. Rfg3
Rxg4 27. Rxg4 Rb6) 26... Kxg8 27. Nf6+ Kg7 $1 (27... Kf8 28. Re3 {/\Re8 Kg7
Nh5-Nf6=/}) 28. Ne8+ Kf8 29. Nxc7 Bc4 30. Re3 Re2 $1 31. Rxe2 Bxe2 32. Kf2 a4
$19 33. Nd5 Bc4 34. Nb4 Bb3 35. Ke3 a3 36. f6 Ke8 37. Kf4 Kd7 38. Kg4 Bd1+ 39.
Kf5 b5 40. h3 Kd6 41. g3 Kd7 42. h4 (42. Ke5 Bb3 $19) 42... Kd6 43. g4 Bb3 44.
g5 hxg5 45. Kxg5 (45. hxg5 a2 46. Nxa2 Bxa2 47. Kf4 Ke6 $19) 45... Ke6 46. d5+
Kd6 (46... Bxd5 47. Nc2 a2 48. h5 Be4 49. Na1 Bd3 50. Nb3 (50. h6 Kd5 $19)
50... Kd5 51. Kh6 Kc4 52. Na1 Kxc3 (52... Be2 $1 $19) 53. Kg7 Kb2 54. Kxf7 Kxa1
55. Ke7 Kb1 56. f7 a1=Q $19) 47. Kh6 a2 48. Nxa2 Bxa2 49. Kg7 Bxd5 50. h5 Ke6
0-1

[Event "Rogaska Slatina"]
[Site "Rogaska Slatina"]
[Date "1929.09.??"]
[Round "6"]
[White "Pirc, Vasja"]
[Black "Flohr, Salo"]
[Result "0-1"]
[ECO "E22"]
[Annotator "ChessBase"]
[PlyCount "104"]
[EventDate "1929.09.19"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "YUG"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. Nf3 Ne4 6. Nd2 Nxd2 7. Bxd2 Nc6 8.
dxc5 Bxc5 9. e3 b6 10. Ne4 Be7 11. Bc3 O-O 12. Rd1 Qc7 13. Be2 Ba6 14. Qa4 Bb7
15. Bf3 f5 16. Nd2 Rad8 17. O-O Bf6 18. Qc2 d5 19. Bxf6 Rxf6 20. cxd5 exd5 21.
Nb3 Qf7 22. g3 Ne5 23. Bg2 Rc6 24. Qe2 Rh6 25. Rd4 Ng4 26. h3 Nf6 27. Rfd1 Rc8
28. Qd3 Ne4 29. Rc1 Rhc6 30. Rxc6 Bxc6 31. Qa6 Qb7 32. Qxb7 Bxb7 33. Bxe4 fxe4
34. Rd2 Kf7 35. Nd4 Rc1+ 36. Kh2 Kf6 37. Rc2 Rxc2 38. Nxc2 {[%mdl 4096] B <-> N
} a5 39. b3 (39. Nd4) 39... Ke5 40. a3 a4 41. b4 (41. bxa4 Bc6 42. Nd4 Bxa4 43.
g4 $11) (41. Nd4 axb3 42. Nxb3 $11) 41... d4 $1 $15 42. Nxd4 Kd5 43. Kg2 Ba6
44. f3 (44. g4 Kc4 45. Kf1 Kc3+ 46. Ke1 Kb2 47. Kd2 Kxa3 48. b5 Bc8 49. Kc3 h5
50. gxh5 Bxh3 $17) 44... Kc4 $1 $17 45. fxe4 (45. Kf2 exf3 46. Kxf3 Kc3 $17)
45... Kc3 $19 46. Nf5 Kb3 47. Nd6 Bd3 48. e5 Bg6 49. Kf3 Kxa3 50. h4 Kxb4 51.
Kg4 a3 52. h5 Bxh5+ 0-1

[Event "Moscow International-03"]
[Site "Moscow"]
[Date "1936.05.17"]
[Round "4"]
[White "Capablanca, Jose Raul"]
[Black "Ragozin, Viacheslav"]
[Result "1-0"]
[ECO "E22"]
[Annotator "ChessBase"]
[PlyCount "125"]
[EventDate "1936.05.14"]
[EventType "tourn"]
[EventRounds "18"]
[EventCountry "URS"]
[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 Nc6 5. e3 (5. Nf3 d5 (5... d6 6. d5) 6.
Bg5) (5. d5 exd5 6. cxd5 Nd4) 5... d5 6. Nf3 O-O 7. a3 (7. cxd5 exd5) 7... dxc4
8. Bxc4 Bd6 9. Bb5 (9. Be2 e5 $10 {Kmoch-Levenfish/Leningrad/1934}) 9... e5 $1
(9... Qe7 10. Bxc6 bxc6 11. e4 e5 $14) 10. Bxc6 (10. d5 Ne7 11. e4 a6 12. Be2
Nd7 $132) 10... exd4 11. Nxd4 bxc6 12. Nxc6 (12. O-O c5 13. Nf3 Bg4 $40) 12...
Qd7 13. Nd4 Qg4 $1 (13... Ba6 14. Qa4 Qc8 {/\ Nd7-c5-d3} 15. b4 $13) (13... c5
$6 14. Nde2 (14. Nf3 $6 Ba6) 14... Bb7 15. f3 Rab8 16. Qc2 $14) 14. O-O Ba6 $2
(14... c5 15. Nf3 (15. h3 $1 Qh5 16. Ndb5 Bxh3 $1 17. Nxd6 Bxg2 18. Kxg2 Qg4+
19. Kh2 Qh4+ $10) 15... Qh5 16. Qd1 (16. Rd1 Rd8) 16... Rd8 17. Qe2 g5 $1 (
17... Bg4 18. h3 Bxh3 (18... Bxh3 $145 19. gxh3 Qxh3 20. Rd1 Ng4 21. Rxd6 Rxd6
22. Ne4 Rg6 23. Ng3 Nxf2 $19)) 18. h3 Bxh3 19. gxh3 Qxh3 $40 {Lisitzin} (19...
Qxh3 $145 20. Rd1 g4 21. Rxd6 Rxd6 22. Ng5 Qh5 23. Nb5 Rb6 24. e4 Nd7 25. Nc7
Rh6 26. Nh3 Ne5 27. Bxh6 Nf3+ 28. Qxf3 gxf3 $19)) 15. h3 $1 (15. Rd1 Bxh2+ 16.
Kxh2 Qh4+ 17. Kg1 Ng4 18. Nf3 Qxf2+ 19. Kh1 Bf1 20. Ne1 Bxg2+ 21. Nxg2 Qg3 22.
Kg1 Qh2+ $19 (22... Qh2+ $145 23. Kf1 Qh1+ 24. Ke2 Qxg2+ 25. Kd3 Rad8+ $19))
15... Qh4 16. Nf3 Qh5 17. Re1 $1 Rab8 $6 (17... Bc8 $1 18. Qd1 Rd8 $13) (17...
g5) 18. Qa4 Bb7 19. e4 {/\ Bg5} h6 $8 20. Be3 Rfe8 (20... Ba8 21. Bd4) 21. Bd4
$1 Nh7 (21... Nxe4 $2 22. Bxa7 Ra8 (22... Nxc3 $4 23. Rxe8+) 23. Nxe4 $16) 22.
Bxa7 Ra8 23. Qb5 (23. Qd4) 23... Qxb5 24. Nxb5 Rxe4 25. Rxe4 Bxe4 26. Nd2 Bd3
27. Nxd6 Rxa7 (27... cxd6 $16 {o^o^}) 28. N6e4 Nf8 29. Nc5 Bf5 30. Nf3 Ne6 31.
Rc1 Kf8 32. Nxe6+ Bxe6 33. Nd4 {/\ preventing the advance of the c-pawn (the
white b-pawn would become weak), aiming to control the board along the 5th
rank, for which Ke3, Rc3, Nd4, b4, f4 are needed, followed by a queenside pawn
advance. /\ Verhinderung des Vorrückens des c-Bauern (der weiße b-Bauer würde
schwach), Kontrolle des Bretts auf der 5.Reihe, hierzu Ke3, Rc3, Nd4, b4,f4,
hiernach Vorrücken der Bauern auf dem Damenflügel.} Rb7 34. b4 Bd7 35. f4 Ke7
36. Kf2 Ra7 37. Rc3 Kd6 38. Rd3 Ke7 39. Ke3 Ra4 40. Rc3 (40. Ke4 $6 c5 41. bxc5
Bc6+ 42. Ke5 f6+ 43. Kf5 Bxg2 44. Rg3 Bd5 $10 {Capablanca}) 40... Kd6 41. Rd3
Ke7 42. Rc3 Kd6 43. Ne2 g6 44. Rd3+ Ke6 45. Kd4 Ra6 46. Re3+ Kd6 (46... Kf6)
47. Nc3 f5 48. b5 Ra8 (48... Rxa3 49. Ne4+ fxe4 50. Rxa3 Bxb5 51. Rg3 c5+ 52.
Kxe4 Bc6+ 53. Kd3 Be8 $18 {Capablanca}) 49. Kc4 Be6+ 50. Kb4 c5+ 51. bxc6 Bg8
52. Nb5+ Kxc6 53. Rd3 g5 54. Rd6+ Kb7 55. fxg5 (55. Rxh6 gxf4 {/\ Bd5}) 55...
hxg5 56. Rg6 Rf8 57. Rxg5 f4 58. Nd4 (58. a4 $1 {Capablanca}) 58... Rc8 59.
Rg7+ Kb6 60. Rg6+ Kb7 61. Nb5 Rf8 62. Nd6+ Kb8 63. h4 1-0

[Event "World-ch13 Alekhine-Bogoljubow +11-5=9"]
[Site "GER/NLD"]
[Date "1929.09.15"]
[Round "6"]
[White "Bogoljubow, Efim"]
[Black "Alekhine, Alexander"]
[Result "1-0"]
[ECO "E22"]
[Annotator "ChessBase"]
[PlyCount "95"]
[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 Qe7 5. a3 (5. Bg5 b6 6. a3 Bxc3+ 7. Qxc3
Bb7 8. f3 d6 9. Nh3 h6 10. Bh4 Nbd7 {Christiansen-Karpov/Wijk m(02)25'/1993/
CBM 34}) 5... Bxc3+ 6. Qxc3 b6 7. f3 d5 8. cxd5 Nxd5 9. Qc2 Qh4+ 10. g3 Qxd4
11. e4 Ne7 (11... Ne3 12. Qd3 Qxd3 13. Bxd3 Ba6 14. Bxa6 Nc2+ 15. Kd1 Nxa1 16.
Bb7 Kd7 17. Bxa8 Na6 18. Bb7 Nc5 19. b4 Nxb7 20. Bb2 Nb3 21. Kc2 $18) 12. Bf4 (
12. Qxc7 $143 Nbc6) 12... Bd7 13. Rd1 Qa4 14. Qxc7 Qc6 15. Ne2 Qxc7 16. Bxc7
Na6 17. Bd6 Bb5 18. Nc3 Bxf1 19. Rxf1 Nc8 20. Bf4 Ke7 21. Rf2 Rd8 22. Rxd8 Kxd8
23. Rd2+ Ke8 24. Nb5 f6 25. b4 Ne7 26. Kd1 Ng6 27. Bc7 e5 28. Kc2 Nf8 29. Bd6
Ne6 30. f4 exf4 31. gxf4 Rc8+ 32. Kb3 Ra8 33. h4 Kf7 34. f5 Nd8 (34... Nf8 35.
Bxf8 Kxf8 36. Rd7) 35. Bf4 Ke7 36. Rg2 g6 (36... Kf8 37. e5 fxe5 $6 (37... Nc6
38. exf6 gxf6 39. Bh6+ Ke7 40. Rg7+ $18) (37... Nf7 38. e6 Nd8 39. e7+ $18) 38.
Bxe5 $18) 37. Rc2 gxf5 38. exf5 Nf7 39. Re2+ Kd7 40. Re6 Rg8 41. Rxf6 Ke7 42.
Re6+ Kd7 43. Bd6 Nxd6 44. Rxd6+ Ke8 45. Nxa7 Rg3+ 46. Ka4 Rg7 47. Nc6 Nc7 48.
f6 (48. f6 Rf7 (48... Rd7 49. f7+) (48... Rg3 49. Rd8+ Kf7 50. Rd7+ $18) 49.
Rd8#) 1-0

[Event "World-ch13 Alekhine-Bogoljubow +11-5=9"]
[Site "GER/NLD"]
[Date "1929.11.01"]
[Round "21"]
[White "Alekhine, Alexander"]
[Black "Bogoljubow, Efim"]
[Result "1-0"]
[ECO "E22"]
[Annotator "ChessBase"]
[PlyCount "97"]
[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 Bxc5 6. Nf3 d5 (6... b6 7. Bg5
Bb7 8. Rd1 O-O 9. e3 Be7 10. Be2 Na6 11. O-O Nc5 12. Qc2 Nce4 13. Bxf6 Nxf6 14.
e4 d6 {Piket,J-Karpov,An/Roquebrune 30' (10) 1992/1/2-1/2 (72)}) 7. cxd5 exd5
8. Bg5 Be6 9. Bxf6 gxf6 10. O-O-O (10. Qxb7 Nd7 $44 {@}) 10... Nd7 11. Nd4 $1
$16 (11. Nxd5 Rc8 12. Kb1 Bxf2 {[%csl Rc2][%cal Ye6f5,Rf5b1]}) 11... O-O 12. e3
Rc8 13. Kb1 Ne5 14. Nxe6 $18 {Alekhine considered this move for 30 minutes.}
fxe6 15. Be2 (15. f4 $2 Ng4) (15. Nxd5 $2 exd5 16. Rxd5 Qb6) 15... Kh8 (15...
Nc6 16. Nxd5 exd5 (16... Na5 $1 $13) 17. Rxd5 Qb6 18. Rxc5+ $18) (15... Nf7 16.
f4 f5 17. g4 $40) 16. f4 $1 Nc6 17. f5 Bxe3 18. fxe6 d4 19. Nd5 Qe8 (19... Na5
$2 20. e7 $18) (19... Bh6 20. Bb5 {[%csl Rd4] ><d4}) 20. Nxe3 dxe3 21. Qxe3 Ne5
22. Qh3 Rc6 (22... Rc7 $142) 23. Bb5 $18 Qg6+ 24. Ka1 Rc7 25. Bd7 Rd8 26. Rc1
Rxc1+ 27. Rxc1 Qg5 28. Rd1 Nc6 29. a3 Qe5 30. Qf3 Rb8 31. Qf2 {[%cal Rd1e1] /
\Re1+-} (31. Bxc6 bxc6 32. Qxc6 $4 Qxb2#) 31... Ne7 32. Re1 Qg5 33. Qxa7 Rg8
34. Qd4 Rg6 35. g3 Qa5 36. Rf1 Kg7 37. Rc1 Qe5 38. Qb4 (38. Qxe5 $18) 38... Nd5
39. Qxb7 Kh6 40. Qb3 Rg8 41. Rc5 Qe1+ 42. Ka2 Ne7 43. Qf3 Rg6 44. Qf4+ Kg7 45.
Qd6 Ng8 46. Ba4 Kh8 47. Rc8 Rg7 48. e7 Qxe7 49. Qxe7 (49. Qxe7 Rxe7 50. Bb3 Rg7
51. Rxg8+ Rxg8 52. Bxg8 Kxg8 53. a4 $18) 1-0

[Event "Wien Trebitsch Memorial-14"]
[Site "Vienna"]
[Date "1929.12.??"]
[Round "?"]
[White "Gruenfeld, Ernst"]
[Black "Spielmann, Rudolf"]
[Result "1-0"]
[ECO "E22"]
[Annotator "ChessBase/Gruenfeld,E"]
[PlyCount "97"]
[EventDate "1929.11.25"]
[EventType "tourn"]
[EventRounds "17"]
[EventCountry "AUT"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 {[%mdl 1] 1) WSZ 1930.S.4-10. 2)Lachaga:20 Trebitsch Gedenkturniere.
Wien 1907-1938. S.46.2} e6 2. Nf3 c5 3. c4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Qb3
Bc5 7. Nf3 b6 (7... O-O 8. e3 (8. Bg5) 8... d5 9. cxd5 exd5 10. Be2 Bb6 11. O-O
Be6 12. Rd1 {1-0 (63) Rubinstein,A-Teichmann,R Teplitz Schoenau 1922}) (7...
Nc6 8. e3 O-O 9. Be2 d5 10. O-O Na5 11. Qb5 b6 12. cxd5 exd5 13. Rd1 Bf5 {
0-1 (40) Menchik,V-Spielmann,R Karlsbad 1929}) 8. Bg5 Bb7 9. e3 Nc6 10. Be2 h6
11. Bh4 Qe7 (11... Be7) 12. a3 g5 13. Bg3 Nh5 14. O-O-O Nxg3 15. hxg3 O-O-O 16.
Qa4 Kb8 (16... f5) 17. Nd4 Bxd4 (17... Qf6) (17... f5) 18. exd4 Rc8 $6 (18...
d5 19. cxd5 exd5 20. g4 Qd6 $11) (18... Qf6 19. d5 Ne7 $11) 19. Kb1 $14 (19. d5
exd5 20. cxd5 Na5 21. Rhe1 Qf6 $11) 19... Na5 20. c5 (20. f3 d6 21. g4 $14)
20... Bxg2 (20... Bc6 21. Qb4 Bxg2 22. Rh2 Bb7 $11) 21. cxb6 axb6 22. Qb5 {#} (
22. Rh2 Bb7 23. Qb5) 22... Qd6 $11 (22... Bxh1 $15 23. Qxb6+ Bb7 24. Qxa5 Qd6
25. Bf3 Qa6 26. Qb4 Rc7 $15) 23. Rhg1 Bb7 (23... Qc6 $2 24. Rxg2 Qxg2 25. Qxb6+
Nb7 26. Nb5 $18) 24. d5 exd5 $6 (24... Rc5 25. Qd3 Nc4 26. Qd4 e5 $11) (24...
Rhe8 25. dxe6 Qxe6 26. Bd3 Nc4 $11) 25. Nxd5 $14 Bxd5 (25... Ka7) 26. Rxd5 Qc6
(26... Qg6+ 27. Bd3 Qc6) 27. Rxd7 Rhe8 (27... Qxb5 28. Bxb5 h5 29. Rxf7 h4 30.
gxh4 gxh4 31. Rg6 Rc7 32. Rff6 h3 33. Rh6 Rch7 34. Rf8+ Rxf8 35. Rxh7 Rf5 36.
Ba6 Rf3 37. Ka2 $14) 28. Qxc6 $16 Nxc6 29. Bf3 g4 30. Bxc6 Rxc6 31. Rxf7 Re2
32. Rd1 Kc8 33. Rc1 Rxc1+ 34. Kxc1 $16 h5 35. Rf5 Re1+ 36. Kd2 Rh1 37. Ke3 Rh2
38. a4 Kb7 39. b4 h4 40. gxh4 Rxh4 41. a5 bxa5 42. bxa5 {[%mdl 4096] R+2P <->
R+1P} Rh6 (42... Rh8 43. Kf4 Rg8 44. Kg3 Ka6 45. Rf4 Kxa5 46. Rxg4 Rd8 47. Rg6
$18) (42... Rh2 43. Rg5 Rg2 44. Rg6 Ka7 45. a6 Ka8 46. Rg7 Kb8 47. Ke2 Rg1 48.
Kd2 Ka8 49. Ke3 Rg2 50. Ke2 Rg1 51. a7 $18) (42... Rh1 43. Rg5 Rh3+ 44. Ke2 Ra3
45. Rxg4 Rxa5 46. Rc4 $18 Kb6 47. Ke3 Re5+ 48. Kd3 Rf5 49. f4) 43. Kf4 Rg6 44.
Kg3 Ka6 45. Rf4 Kxa5 46. Rxg4 Rf6 47. Rd4 Kb5 48. f4 Kc5 49. Rd8 1-0

[Event "Politiken Cup 18th"]
[Site "Copenhagen"]
[Date "1996.??.??"]
[Round "4"]
[White "Gulko, Boris F"]
[Black "Taimanov, Mark E"]
[Result "1-0"]
[ECO "E22"]
[WhiteElo "2615"]
[BlackElo "2480"]
[Annotator "Jacoby,G"]
[PlyCount "62"]
[EventDate "1996.06.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "DEN"]
[SourceTitle "CBM 054"]
[Source "ChessBase"]
[SourceDate "1996.10.01"]
[SourceVersion "1"]
[SourceVersionDate "1996.10.01"]
[SourceQuality "1"]

1. c4 {Chekhov} e6 2. Nc3 Bb4 {Eine selten angewandte Fortsetzung.} 3. Qb3 Nc6
(3... Ba5 4. d4 $1 d5 (4... b6 5. Nf3 c5 6. dxc5 bxc5 7. Bf4 $1 Nc6 8. O-O-O
$36 {Illescas Cordoba,M-Oll,L/Wijk m/1993/CBM34/INF56,10/}) 5. Nf3 Nf6 6. Bg5
c6 7. e3 $14 {Gulko,B-Rozentalis,E/Copenhagen PC/1996/CBM54/}) 4. a3 (4. Nf3 $5
) 4... Be7 $6 (4... Bxc3 5. Qxc3 Nf6 6. b4 O-O 7. d3 Ne8 8. Nf3 d6 9. g3 $14 {
Varga,Zo-Huss,A/Mitropa Cup/1993/CBM34/INF56,(09)/} (9. g3 {Chekhov} e5 10. Bg2
Ne7 11. e4 f5 12. exf5 Nxf5 13. O-O Nf6 14. Re1 Qe8 15. h3 Qg6 16. Ra2 $14 {
Varga,Z-Huss,A/Europe/1993/1|0/42/})) (4... Nd4 $5 5. Qd1 (5. Qa4 Bxc3 6. dxc3
Nc6 7. e4 (7. Nf3 $5) 7... Qh4 8. Bd3 Ne5 9. Bc2 Nf6 $13 {Renet,O-Van der Wiel,
J/Brussels zt/1993/EXP34/INF57,06/} (9... Nf6 10. c5 Qg4 11. Kf1 Qh5 12. Nh3
Nc6 13. b4 Qe5 $36 {Renet,O-Van Der Wiel,J/Brussels/1993/0|1/18/})) 5... Bxc3
6. bxc3 Nc6 7. Nf3 d6 8. g3 e5 9. Bg2 Nf6 10. O-O O-O 11. Rb1 h6 $13 {Gunawan,
Ro-Rozentalis,E/Philadelphia World op/1994/} (11... h6 {Chekhov} 12. d3 Rb8 $10
{Gunawan,R-Rozentalis,E/USA/1994/0|1/60/})) 5. Nf3 Nf6 6. d4 d5 {Diese
Stellung ist aus der Nimzoindischen Verteidigung bekannt, dort ist es aber
eine andere Zugfolge: 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 Nc6 5.Nf3 d5 6.a3 und
hier ist -meiner Meinung nach- 6...Bxc3 die beste Fortsetzung.} 7. cxd5 exd5 (
7... Nxd5 8. e4) 8. Bg5 O-O 9. e3 {Schwarz hat schon Probleme, weil der
d5-Bauer schwach ist.} Na5 10. Qc2 h6 (10... Be6 11. Bd3 h6 12. Bf4 Nc6 13. h3
Bd6 14. Ne2 $14 {Ehlvest,J-Rozentalis,E/Groningen PCA/1993/CBM39/INF59,575/})
11. Bh4 (11. Bxf6 Bxf6 12. b4 $16 Nc4 13. Nxd5) 11... Be6 12. Rd1 (12. Bd3 $5 {
Chekhov}) 12... Nd7 (12... Nh5 $5) 13. Bg3 c6 14. Be2 (14. Bd3 $5 {Chekhov})
14... b5 {Schwarz nutzt die Möglichkeit und spielt aktiv am Damenflügel.} (
14... Nc4 $5 {Chekhov}) 15. O-O Nc4 16. a4 a6 (16... b4 17. Nb1 {Der c6-Bauer
ist schwach.}) 17. b3 Na5 (17... Nd6 $5 {Chekhov}) 18. axb5 axb5 19. Ra1 Nb7
20. Ne5 {Wenn Schwarz sofort 20...Qb6 spielt, dann kommt f4 mit Angriff.} Nxe5
21. Bxe5 Qb6 22. Bd3 {Schwarz hat Probleme mit seiner Königsstellung, auch mit
seiner Bauerstruktur am Damenflügel kann er nicht zufrieden sein.} (22. h3 $5 {
Chekhov}) 22... Rfc8 (22... Nd6 $5 {Chekhov}) 23. Bh7+ Kf8 (23... Kh8 $142 {
Baburin} 24. Bf5 Bxf5 (24... Nd8 $5 25. Ne2) 25. Qxf5 {the f7-pawn would be
hanging and that was the point of playing 23 Bh7+!, however Black probably
should have preffered 23...Kh8 anyway.}) 24. Bf5 Nd8 $2 {24...Bxf5 25.Qxf5 Kg8
und Weiss steht natuerlich besser, aber Schwarz kann noch weiter kaempfen.} (
24... Bxf5 {Chekhov} 25. Qxf5 Kg8 26. Qd7 Bf8 27. h3 Nd8 $22 28. Rxa8 Rxa8 29.
Bc7 Qb7) 25. Bxe6 Nxe6 26. Qh7 {Droht Matt auf h8 und außerdem Turmgewinn. Die
schwarze Stellung ist hoffnungslos.} Ke8 (26... f6 {Chekhov} 27. Rxa8 Rxa8 28.
Qh8+ Kf7 29. Qxa8 $18) 27. Bxg7 b4 28. Na4 Qb5 29. Qg8+ Nf8 30. Bxh6 Qd3 31.
Rab1 Qg6 {Und Schwarz gab gleichzeitig auf.} 1-0

[Event "EU-ch 12th"]
[Site "Aix les Bains"]
[Date "2011.03.26"]
[Round "5"]
[White "Giffard, Nicolas"]
[Black "Petrik, Tomas"]
[Result "1/2-1/2"]
[ECO "E22"]
[WhiteElo "2318"]
[BlackElo "2537"]
[Annotator "Marchand,A/Primel,D"]
[PlyCount "96"]
[EventDate "2011.03.22"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "FRA"]
[SourceTitle "CBM 142 Extra"]
[Source "ChessBase"]
[SourceDate "2011.06.27"]
[SourceVersion "1"]
[SourceVersionDate "2011.06.27"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 e6 2. c4 Nf6 3. Nc3 Bb4 4. Qb3 {Cette vieille ligne était populaire au
début des années 30 et c'était le thème du Championnat du Monde 1929; N.
GIFFARD va d'ailleurs esssayé d'améliorer une vieille partie de cette époque.}
c5 $1 (4... Nc6 5. e3 d5 6. a3 Be7 7. cxd5 exd5 8. Nge2 O-O 9. g3 Na5 10. Qa4
c6 (10... Nc4 11. Nf4 Nb6 12. Qc2 {Smyslov}) 11. Bg2 Bf5 12. O-O b5 13. Qd1 Qd7
14. Nf4 Bd6 15. Nce2 {Smyslov,V-Romanovsky,P URS-ch14 Moscow 1945 1-0}) 5. Nf3
(5. dxc5 {La grande ligne} Na6 {[%cal Ga6b4,Ga6c5]} (5... Nc6 6. Nf3 (6. Bg5)
6... Qa5 $1 {"Les Noirs ne veulent pas lacher prise, ce qui arriverait après
les alternatives oo et Bc5 TARTAKOVER)} (6... O-O $143) (6... Bxc5 $143) (6...
Ne4 $143 7. Bd2 $1 Nxd2 8. Nxd2 f5 9. e3 O-O (9... Bxc5 10. Be2 b6 11. O-O Bb7
12. Na4 Rb8 13. Nxc5 bxc5 14. Qc3 Qf6 15. Qxf6 (15. Bh5+ Ke7 $132) 15... gxf6)
10. O-O-O $1 {Bravo! le roque du grand-coté commence а devenir un des atouts
du combat moderne (XT)} Bxc5 11. Be2 b6 12. Nf3 Bb7 (12... Ba6 $143 13. Rd2 Qe7
14. Rhd1 Rad8 {Spielmann,R-Colle,E Karlsbad 1929 (5) 1-0}) (12... Qe7 13. Rd2
Bb7 14. Rhd1 Rfd8 {Johner,P-Saemisch,F Karlsbad 1929 (20) 1-0}) 13. a3 {
Et peu-à-peu la constellation des forces blanches s'est montrée préférable
TARTAKOVER} Rc8 14. Rd2)) 6. a3 Bxc5 (6... Bxc3+ {Plus risqué} 7. Qxc3 Nxc5 8.
b4 Na4 $1 9. Qc2 b5 10. cxb5 Nb6 11. Nf3 Bb7 12. e3 Rc8 $32)) 5... Ne4 $1 ({RR
} 5... O-O 6. Bg5 Nc6 7. dxc5 h6 8. Bxf6 Qxf6 9. Rc1 Bxc5 10. e3 Qg6 11. a3 b6
12. Qc2 f5 13. g3 Bb7 14. Bg2 Qf6 15. O-O Rac8 16. b4 Be7 17. Qb3 Ba8 18. Rfd1
Rfd8 19. Nb5 Qf8 20. Nfd4 Nxd4 21. Rxd4 {Giffard,N (2318)-Paichadze,L (2487)/
Aix les Bains 2011/Mega2011 Update 15/1/2-1/2 (39)}) (5... b6) (5... d5) (5...
Nc6 6. e3 $1 {TARTAKOVER}) 6. Nd2 d5 $146 (6... Nxd2 7. Bxd2 Nc6 8. dxc5 Bxc5
9. e3 b6 10. Ne4 Be7 11. Bc3 $11 {Avec une position équilibrée (TARTAKOVER
dans un article théorique consacré а la Défense Nimzo-Indienne dans
l'échiquier n~/=13 de janvier 1930)} O-O 12. Rd1 Qc7 13. Be2 Ba6 14. Qa4 Bb7
15. Bf3 f5 16. Nd2 Rad8 17. O-O Bf6 18. Qc2 d5 19. Bxf6 Rxf6 20. cxd5 exd5 21.
Nb3 {Pirc,V-Flohr,S/Rogaska Slatina 1929/EXT 1999/0-1 (52)}) (6... Bxc3 7. bxc3
Nxd2 8. Bxd2 Nc6 $132) 7. Ncxe4 (7. Ndxe4 $142 {Semblait plus simple} dxe4 8.
dxc5 $14) 7... dxe4 8. e3 Nc6 9. dxc5 f5 $132 10. a3 Bxc5 11. Qc3 O-O 12. b4
Bd6 (12... Be7 13. Bb2 Bf6) 13. Bb2 Be5 $1 14. Qc2 Qf6 15. O-O-O $13 b6 (15...
a5 $5 16. b5 Bxb2+ (16... Nb8 $5 {[%cal Gb8d7,Gd7c5]}) 17. Qxb2 Ne5 {[%csl Ge5]
[%cal Ge5d3]}) 16. Nb3 Bb7 {[%csl Rc1,Rc2][%cal Ga8c8,Gc8c1]} 17. Rd7 $1 {
Force des échanges qui doivent favoriser la position blanche} Rf7 18. Rxf7 Kxf7
19. Be2 Rc8 (19... Rd8) 20. Rd1 {[%csl Rb7,Rf7][%cal Gd1d7]} Bxb2+ 21. Qxb2 Ne5
22. Kb1 $1 Rc7 (22... Nxc4 $2 23. Rd7+) 23. Ka1 (23. c5) 23... Ke7 24. c5 Bd5 (
24... Nd3 25. Bxd3 exd3 26. Rxd3 Bxg2 (26... Be4) 27. Qxf6+ Kxf6 $15 {[%csl
Ra1]}) 25. cxb6 {33} axb6 {09} 26. Nd4 Bc4 27. f4 exf3 (27... Nd3 28. Bxd3 Bxd3
{[%csl Gd3]} 29. Rc1 $1 Rxc1+ 30. Qxc1 b5 31. Qc7+ $36 {[%csl Re7]}) 28. gxf3
Bxe2 29. Qxe2 Kf7 30. Ka2 Qe7 {Pour les 10 derniers coups avant le contrôle,
les Noirs n'avaient plus qu'une minute} (30... f4 $5) 31. f4 Ng4 32. e4 $1 Nf6
33. exf5 exf5 34. Qxe7+ Rxe7 35. Nxf5 Re2+ 36. Kb3 Rxh2 {[%csl Gh7][%cal Gh7h1]
} 37. a4 Rf2 38. Rd4 (38. a5 $5 bxa5 39. bxa5 Rxf4 (39... Ne4 {[%cal Ge4c5,
Gc5b3,Gc5a6]}) 40. Nd6+ Ke6 41. a6 $1 Nd7 42. a7 Nc5+ 43. Kc3 Ra4 44. Nb5 {
[%csl Ga7][%cal Gb5a7]}) (38. Nd6+ Ke6 39. f5+ Ke5 40. a5) 38... g6 39. Nd6+
Ke6 40. a5 bxa5 41. bxa5 {[%csl Ga5]} Nd5 42. a6 $1 Rf3+ (42... Kxd6 43. a7
Rf3+ 44. Ka4 Rf1 {[%cal Gf1a1]}) 43. Kb2 Rf2+ 44. Kb3 Rf3+ 45. Kb2 Kxd6 46. a7
Rf2+ 47. Kb3 Rf3+ 48. Kb2 Rf2+ 1/2-1/2

[Event "Leningrad-Moscow m 07th  12-18 "]
[Site "Leningrad"]
[Date "1930.10.08"]
[Round "2.1"]
[White "Kan, Ilia Abramovich"]
[Black "Botvinnik, Mikhail"]
[Result "0-1"]
[ECO "E22"]
[Annotator "Primel,D"]
[PlyCount "78"]
[EventDate "1930.11.07"]
[EventType "team-match"]
[EventRounds "2"]
[EventCountry "URS"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 e6 4. d4 cxd4 5. Nxd4 Bb4 (5... Nc6 6. e4 {Retombe
sur une sicilienne... KAN!}) (5... a6) 6. Qb3 $5 {[%cal Gb3c3,Gb3b4] L'idée de
BOGOLJUBOW était populaire а l'époque mais intrinséquement, les noirs n'ont
pas trop de difficultés а égaliser} (6. g3 $142 {les deux alternatives Ndb5 et
surtout g3 qui est devenu ensuite la ligne principale, n'étaient pas connues а
cette époque.} O-O 7. Bg2 d5 8. cxd5 Nxd5 9. Qb3 (9. Bd2 $11)) (6. Ndb5 $5 {
[%cal Gb5c3,Gb5d6]} d5 $1 7. Bf4 O-O {[%cal Gd5d4]} 8. e3 Nc6 9. a3 Bxc3+ 10.
Nxc3 e5 $132 {[%csl Gd5,Ge5]}) 6... Bc5 (6... Na6 7. Bd2 {Bogoljubow,
E-Przepiorka,D Bad Pistyan 1922 (6) 1-0}) 7. Nf3 {[%csl Gd5]} b6 (7... Nc6 8.
Bg5 O-O 9. e3 b6 10. Be2 Bb7 11. O-O Be7 $11 12. Rfd1 Rc8 13. Qa4 {Koenig,
I-Bluemich,M DSV Kongress 1926 (9) 1/2}) 8. Bg5 Bb7 9. Qc2 $146 (9. e3 Nc6 10.
Be2 h6 11. Bh4 Qe7 12. a3 g5 13. Bg3 Nh5 14. O-O-O Nxg3 15. hxg3 O-O-O 16. Qa4
Kb8 17. Nd4 Bxd4 18. exd4 Rc8 {Gruenfeld - Spielmann, Vienna, 1929}) 9... h6 (
9... Be7 10. e3) 10. Bh4 O-O 11. e4 {[%csl Rd4] Assez risqué а cause de
l'affaiblissement de la case "d4" et le P "e4" peut aussi être sous pression
après Na6c5} (11. e3 $142 $5 {[%csl Gd4]}) 11... Be7 $1 {[%cal Gb8a6,Ga6c5] Un
coup multifonction, les noirs se libèrent du clouage du Bg5 tout en libérant
la case "c5" pour le Na6} 12. Be2 Na6 {[%cal Ga6c5,Ga6b4]} 13. e5 (13. O-O Nc5
{[%csl Re4][%cal Gc5e4]}) 13... Nb4 14. Qd2 Ne4 $1 15. Nxe4 Bxe4 16. Bxe7 Qxe7
17. O-O Rad8 (17... Rfd8 18. a3 Nc6) 18. Rad1 (18. Rfd1 f6 $132) 18... Nxa2 (
18... f5 19. Nd4 Nxa2 20. f3 Ba8 21. Ra1 Nb4 22. Rxa7) 19. Nd4 (19. Ra1 Nb4 20.
Rxa7 Nc6 $36 {[%cal Ge4f3,Gc6e5,Gc6a7]}) 19... Nb4 20. Nb5 {[%csl Gd6]} Qc5 21.
Nxa7 f6 (21... Bc2 $1 22. Ra1 d5 $17) 22. exf6 Rxf6 23. Qd4 (23. Nb5 d5 $1 {
[%cal Gc5b5,Gd5c4]}) 23... d5 24. cxd5 exd5 $17 25. Nb5 Nc6 26. Qxc5 bxc5 27.
Rc1 d4 $5 (27... c4 $5) 28. f3 (28. Rxc5 d3 29. Bg4 d2 30. Rd1 Bg6) 28... d3 $1
29. Bd1 (29. Rfd1 dxe2 30. Rxd8+ Nxd8 31. fxe4 Rb6 {[%cal Gb6b2]}) 29... d2 30.
Rxc5 Bd3 $1 31. Rf2 Bxb5 32. Rxb5 Re6 {[%csl Rd1][%cal Ge6e1]} 33. Rf1 Re1 34.
Rc5 $6 Nb4 {[%cal Gb4d3]} 35. Rc4 Nd5 (35... Nd3 36. Bb3 Kf8 37. g3 Ra8 $1 $19
{[%cal Ga8a1]}) 36. Re4 Ne3 $19 37. Rxe3 Rxe3 38. Kf2 Rde8 39. Ba4 Re1 0-1

[Event "Groningen PCA"]
[Site "Groningen"]
[Date "1993.??.??"]
[Round "9"]
[White "Ehlvest, Jaan"]
[Black "Rozentalis, Eduardas"]
[Result "1-0"]
[ECO "E22"]
[WhiteElo "2620"]
[BlackElo "2600"]
[Annotator "Ribli,Z"]
[PlyCount "113"]
[EventDate "1993.12.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "NED"]
[SourceTitle "CBM 039"]
[Source "ChessBase"]
[SourceDate "1994.04.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.04.01"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 Bb4 3. Qb3 Nc6 4. Nf3 Nf6 5. a3 Be7 (5... Bxc3 $5) 6. d4 d5 7.
cxd5 exd5 8. Bg5 O-O 9. e3 Na5 10. Qc2 Be6 11. Bd3 h6 12. Bf4 Nc6 (12... Nh5
13. Be5 Nc6 14. h3 Nxe5 15. Nxe5 $14 (15. dxe5 $5)) 13. h3 Bd6 14. Ne2 Re8 15.
Rc1 Ne4 16. O-O Bxf4 17. Nxf4 Qd6 18. Rfd1 Ng5 19. Nxg5 hxg5 20. Nxe6 Rxe6 21.
Be2 g6 22. Rd3 Ne7 (22... Re7 23. Qc5 $14) 23. Rb3 $1 Rb8 24. Qxc7 Rc8 25.
Qxc8+ Nxc8 26. Rxc8+ Kg7 27. Rxb7 Re7 $44 28. Rxe7 Qxe7 29. b4 f5 (29... a5 30.
bxa5 Qxa3 31. a6 $18) 30. Rc3 f4 31. Bf3 Qe6 32. Kh1 Qa6 33. Kg1 Qe6 34. Bd1
Qd6 35. Bg4 Qe7 36. Be2 Qe6 37. b5 $1 Qb6 38. Rc5 Qa5 39. exf4 gxf4 40. Rxd5
Qxa3 41. Rd7+ Kf6 42. Bf1 Ke6 43. Rg7 Kf6 44. Rc7 Qa1 45. d5 Ke5 46. d6 $1 Ke6
(46... Kxd6 47. Rc6+ Ke5 48. Rxg6 $18) 47. d7 Ke7 48. Rc6 Qb1 (48... Kxd7 49.
Rxg6 $18) 49. Rd6 $1 Kd8 50. h4 Qe4 51. Rd1 Qe7 52. Bc4 Qf6 53. Be2 Qxh4 54.
Bf3 Qf6 55. Bg4 $1 Qc3 56. Kh2 g5 (56... Qh8+ 57. Bh3 g5 58. Rc1 $18) 57. Kg1
1-0

