[Event "Moscow International-02"]
[Site "Moscow"]
[Date "1935.02.18"]
[Round "4"]
[White "Chekhover, Vitaly A"]
[Black "Lasker, Emanuel"]
[Result "0-1"]
[ECO "D39"]
[Annotator "Tactical Analysis 5.2 (180s)"]
[PlyCount "76"]
[EventDate "1935.02.15"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "URS"]
[SourceTitle "HCL"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "2"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]
{[%evp 0,76,25,-25,-8,-16,4,1,6,6,53,60,55,46,46,-29,7,11,8,14,42,43,37,27,16,
7,5,11,0,-43,-24,-43,-22,-18,-8,-2,-14,-10,-30,-45,-54,-58,-50,-39,-38,-38,-4,
-20,-30,-30,-30,-31,-37,-59,-94,-87,-78,-78,-81,-73,-76,-77,-96,-89,-106,-107,
-117,-143,-143,-228,-240,-250,-222,-336,-357,-364,-282,-293,-312]} {Stockfish
15.} 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. d4 dxc4 5. e4 (5. e3 c5 6. Bxc4 Nc6 7.
O-O Be7 8. dxc5 Qxd1 9. Rxd1 Bxc5 10. a3 Ke7 11. b4 Bb6 12. Bb2 Rd8 13. Rxd8
Bxd8 14. e4 Bd7 15. Bd3 h6 16. e5 Ne8 17. Rd1 Bb6 18. Ne4 a6 19. Bc3 Nc7 20.
Nd6 Nd5 21. Bb2 Nd8 22. Be4 Bc6 23. Nd4 Bc7 24. Rc1 Kd7 25. Nxc6 bxc6 26. Nc4
a5 27. b5 Rb8 28. bxc6+ Nxc6 29. g3 Rb5 30. Rd1 Rc5 31. Bd3 Ke7 32. f4 Nb6 33.
Nd6 Na4 34. Ba1 Nc3 35. Rf1 Bxd6 36. exd6+ Kxd6 37. f5 exf5 38. Bxf5 Nd4 39.
Bd3 f5 40. Kg2 g6 41. g4 fxg4 42. Bxg6 Nf3 43. Bd3 h5 44. Rc1 Nh4+ 45. Kh1 Ne4
46. Rxc5 Nf2+ 47. Kg1 Nh3+ 48. Kf1 Kxc5 49. Ba6 Nf3 50. Kg2 h4 51. Bf6 {
½-½ (51) Bogoljubow,E-Alekhine,A World ch-14 Germany (5) 1934}) 5... Bb4 6.
Bg5 (6. e5 Nd5 7. Bd2 Bxc3 8. bxc3 b5 9. a4 c6 10. Ng5 f6 11. exf6 Nxf6 12. Be2
a6 13. Bf3 h6 14. Bh5+ Nxh5 15. Qxh5+ Kd7 16. Nf7 Qe8 17. Qg6 Rg8 18. Bf4 Bb7
19. Bg3 Ke7 20. Bd6+ Kd7 21. O-O c5 22. dxc5 Bd5 23. axb5 axb5 24. Rxa8 Bxa8
25. Ra1 Nc6 26. Ne5+ {1-0 (26) Alekhine,A-Bogoljubow,E World ch-13 GER/NLD (1)
1929}) 6... c5 $1 {[#]} (6... h6 7. Bxf6 Qxf6 8. Bxc4 O-O 9. O-O c5 10. e5 Qd8
11. a3 cxd4 12. axb4 dxc3 13. bxc3 Qc7 14. Qe2 Bd7 15. b5 Be8 16. Bd3 Nd7 17.
Qe4 g6 18. Qe3 Kg7 19. Ra3 Qc5 20. Qxc5 Nxc5 21. Be2 a5 22. bxa6 bxa6 23. Rfa1
Rc8 {½-½ (24) Bogoljubow,E-Tartakower,S Moravska Ostrava Masters (7) 1923}) (
6... b5 7. e5 h6 8. Bh4 g5 9. Nxg5 Qd5 10. Nxf7 Qe4+ 11. Be2 Kxf7 12. Bxf6 Rg8
13. Qd2 Bxc3 14. bxc3 Nd7 15. O-O-O Qg6 16. Qf4 Nxf6 17. exf6 Qg5 18. Qxg5 hxg5
19. Bg4 Bb7 20. Rde1 Bd5 21. Rhf1 Kxf6 22. f4 gxf4 23. Rxf4+ Ke7 24. Bxe6 Bxe6
25. d5 Rg6 26. Rfe4 Kd6 27. dxe6 Ke7 28. Rh4 Rag8 29. g3 R8g7 30. Kd2 Rxe6 31.
Rh6 Rxe1 32. Kxe1 Rf7 33. g4 Rf3 34. Rh7+ Kf6 35. Kd2 Kg5 36. Rg7+ Kf4 37. h4
Rf2+ 38. Kd1 Rxa2 39. g5 Rh2 40. Rh7 Kf5 41. Rh6 c5 42. Ke1 b4 43. Rc6 bxc3 44.
Rxc5+ Ke4 45. g6 c2 46. Rxc4+ Kd3 47. Rc7 Rxh4 48. Rd7+ Kc3 49. Rc7+ Kb2 50.
Rb7+ Kc1 51. g7 Re4+ 52. Kf2 Re8 53. Rxa7 {½-½ (53) Bogoljubow,E-Wolf,H
Karlsbad-03 International Masters Karlovy Vary (3) 1923}) 7. Bxf6 $2 {D39:
Queen's Gambit Declined: Ragozin Defence with 5 Bg5 dxc4.} (7. Bxc4 $14 cxd4 8.
Nxd4 Bxc3+ 9. bxc3 Qa5 10. Bxf6 Qxc3+ 11. Qd2 Qxa1+ 12. Ke2 Qxh1 13. Nxe6 Nd7
14. Nxg7+ Kf8 15. Qd5 {1-0 (15) Mueller,H-NN corr 1934}) (7. e5 cxd4 8. exf6
gxf6 9. Qa4+ Nc6 10. O-O-O Bxc3 11. bxc3 fxg5 12. Nxd4 Qa5 13. Nxc6 Qxc3+ 14.
Kb1 bxc6 15. Qxc6+ Ke7 16. Qxa8 Qb4+ 17. Ka1 Qc3+ {½-½ (17) Savitsky,
L-Rabinovich,I URS-ch08 Final Leningrad 1933}) 7... Qxf6 $15 8. Bxc4 (8. e5 Qf4
9. Bxc4 cxd4 10. Qxd4 Qxd4 11. Nxd4 Ke7 12. O-O-O Bxc3 13. bxc3 Bd7 $15) 8...
cxd4 $15 9. Qxd4 (9. Nxd4 $2 Nc6 10. Bb5 O-O 11. Nde2 Rd8 12. Qa4 Bxc3+ $17 13.
bxc3 Bd7 14. O-O a6 15. Bxc6 Bxc6 16. Qb4 Rd2 17. Rae1 Bb5 18. c4 Rb2 19. Qa3
Bxc4 20. e5 Qxe5 21. Nc3 Rxf2 22. Kxf2 Qd4+ 23. Kg3 Bxf1 24. Rxf1 Qe5+ 25. Kf2
Qd4+ 26. Kg3 Qe5+ 27. Kf2 Qd4+ 28. Kg3 Qe5+ 29. Kf2 {½-½ (29) Bolbochan,
J-Piazzini,L ARG-ch13 m Buenos Aires (7) 1933}) 9... Nc6 $2 (9... Qxd4 $1 10.
Nxd4 Nd7 11. f4 Ke7 $15) 10. Qxf6 $2 (10. Qe3 $1 Ne5 11. Bb5+ Bd7 12. Bxd7+
Nxd7 13. e5 $11) 10... gxf6 $15 {[#]} 11. Rc1 $146 (11. Ke2 $2 Ke7 12. Rac1 Bd7
$17) ({Predecessor:} 11. O-O-O a6 12. Nd4 Bd7 13. Nxc6 Bxc6 14. f3 Rc8 15. Bb3
Rg8 16. Rd2 Rg5 17. Kb1 Ke7 18. a3 Ba5 19. Rc2 Rcg8 20. g4 Bxc3 21. Rxc3 Rd8
22. Rd1 Rxd1+ 23. Bxd1 h5 24. h3 hxg4 25. hxg4 Kd6 26. Kc2 Ke5 27. Rc5+ Kf4 28.
Rxg5 fxg5 29. Kd2 Bb5 30. a4 Bf1 31. Ke1 Bd3 32. Kf2 a5 33. Bb3 Ba6 34. Bc2 Bc4
35. Bd1 f6 36. Bc2 Ke5 37. Ke3 Kd6 38. Kd4 Be2 39. Ke3 Ba6 40. Bd3 Kc5 41. Bxa6
bxa6 42. e5 fxe5 43. Ke4 Kb4 44. Kxe5 Kxa4 45. f4 gxf4 46. Kxf4 e5+ 47. Kxe5
Kb3 48. g5 Kxb2 49. g6 a4 50. g7 a3 51. g8=Q a2 52. Qg2+ Kb1 53. Qf1+ Kb2 54.
Qe2+ Kb1 55. Qd1+ Kb2 56. Qd2+ Kb1 57. Qb4+ Kc2 58. Qa3 Kb1 59. Qb3+ Ka1 60.
Qc2 {1-0 (60) Fuss,I-Becker,A Wien Trebitsch Memorial-18 1934/35 (3) 04.12.1934
}) 11... Bd7 12. O-O $2 (12. g3 Ke7 13. a3 Bc5 14. Bd3 Rhd8 15. Ke2 $15) (12.
Ke2 Ke7 13. Rhd1 Rac8 $15) 12... Rc8 $1 (12... Ke7 13. Rfd1 Rac8 14. a3 Bd6 15.
Bb5 Rhd8 $15) 13. a3 (13. Rfd1 Ke7 14. Kf1 Rhd8 $17) (13. Ne2 Ke7 14. Rfd1 Ne5
$17) 13... Bd6 $1 14. Ne2 (14. Bb5 Ke7 15. Rfd1 a6 $17) (14. Rfd1 Ke7 15. Bf1
Rhd8 16. g3 Na5 $17) (14. Be2 Ke7 15. g3 Na5 $17) 14... Ne5 (14... Ke7 $1 15.
Bb3 Ne5 16. Nfd4 a5 17. Rb1 a4 $19) 15. Nxe5 (15. Nd2 $2 Ke7 $1 16. Nd4 Bc5 17.
N4b3 Bb6 $19) (15. Bb5 Nxf3+ 16. gxf3 Kd8 17. Bxd7 Rg8+ 18. Kh1 Kxd7 $17) 15...
Bxe5 $17 16. Bb5 Rxc1 17. Bxd7+ Kxd7 18. Rxc1 Rc8 $1 (18... Bxb2 19. Rb1 Be5
20. Rxb7+ Bc7 21. Rxa7 $14) 19. Rxc8 (19. Rd1+ $2 Ke7 20. Kf1 Rc2 21. b4 Ra2
$19) (19. Nc3 Rc4 20. Kf1 b5 21. Ke2 Bxc3 22. Rxc3 Rxe4+ $17) 19... Kxc8 {
[%mdl 4096] [#]} 20. b3 Kc7 21. Kf1 b5 $1 22. Ke1 Bb2 23. a4 bxa4 24. bxa4 Kc6
$1 25. Kd2 Kc5 $1 26. Nc3 Kb4 27. Nb5 a6 28. Nd6 Kxa4 29. Kc2 Be5 30. Nxf7 Bxh2
31. Nd8 {[#]} e5 $4 (31... Bg1 $1 32. f3 e5 33. Ne6 Bb6 34. Nf8 h6 35. Nd7 Bd8
36. Nc5+ Kb5 37. Ne6 Bb6 $19 {como así lo demuestra el siguiente
enfrentamiento entre los dos módulos al nivel de 40 jugadas en 2 horas 30
minutos, sin finish:} 38. Ng7 a5 39. Kb2 Kc4 40. Ne8 Kd3 $1 41. Nxf6 Ke2 42.
Ka2 Bc7 43. Nd5 Bb8 44. Nf6 Kf2 45. g4 Kxf3 46. Kb3 Bc7 47. Kc4 Bd8 48. Nd5
Kxg4 49. Ne3+ Kf3 50. Kd3 Bg5 51. Nc4 Bf4 $1 52. Nd6 h5 53. Nf5 Bg5 54. Ng7 h4
55. Ne6 Bf4 56. Nf8 h3 57. Ng6 h2 58. Nh4+ Kg4 59. Nf5 h1=Q $19 {0-1 (66)
Dragon 3 by Komodo Chess,6-Stockfish 15 i7-9700F CPU @ 3.00GHz 2022}) 32. Nc6
$4 {[%mdl 8192]} (32. Ne6 $3 {y aunque tras} Bf4 {los módulos indican clara
ventaja de las negras, la posición ofrece chances tablíferas a las piezas
blancas como se ve en este otro nuevo enfrentamiento en idénticas condiciones
de juego:} 33. Kc3 a5 {El peón "a" no puede progresar ni ahora ni nunca...}
34. Nc7 Bg5 35. Ne8 h5 36. g3 Ka3 37. Nc7 h4 38. gxh4 Bxh4 39. f3 {Posición
temática. Son tablas.} Bf2 40. Nb5+ Ka4 41. Nd6 Bd4+ 42. Kc4 Bf2 43. Ne8 Bh4
44. Nd6 Bf2 45. Nb7 Bg1 46. Nd6 Bd4 47. Nb5 Be3 48. Nd6 Bd2 49. Ne8 Ka3 50. Kd3
$1 Bb4 51. Kc2 Be7 52. Nc7 Bd8 53. Nd5 Ka4 54. Kc3 Kb5 55. Ne3 Kc5 56. Nf5 Bc7
57. Kb3 Bb6 58. Kc3 a4 {Sin éxito alguno, como se verá.} 59. Kb2 Kc4 60. Ka3
Kd3 $5 {Forzando, pero no había más nada...} 61. Kxa4 Ke2 62. Kb5 Kxf3 $11 {
Tablebases de Lomonosov.} 63. Kxb6 Kxe4 64. Nh4 f5 65. Kc6 Kf4 66. Kd5 e4 67.
Ke6 e3 68. Ng2+ Kf3 69. Nxe3 $1 f4 70. Nf5 Ke4 71. Kf6 Kd5 72. Kf7 f3 73. Ng3
Ke5 74. Nf1 Kd5 75. Kf6 f2 76. Kf7 Kd6 77. Kg8 Kc7 78. Nd2 Kc8 79. Kh8 Kb7 80.
Nf1 Kc6 81. Nh2 Kc5 82. Kg8 Kc4 83. Kf7 f1=Q+ 84. Nxf1 {1/2-1/2 (84) Dragon 3
by Komodo Chess,6-Stockfish 15 i7-9700F CPU @ 3.00GHz 2022}) 32... Bg1 $19 33.
f3 Bc5 34. Nb8 Kb5 35. g4 Be7 36. g5 fxg5 37. Nd7 Bd6 38. Nf6 Kc4 (38... Kc4 {
[#]} 39. Nxh7 Be7 $19) 0-1
