GM Boris Gulko played BattleChess 4000 SVGA. My database has the result of this game as being a draw. Is this result correct? If so do you remember the details as to why? Otherwise I will assume the result an error and can correct it to show 0-1.
UPDATE: All records I could locate show that the result was indeed a draw. So any details as to why would be appreciated.
Thanks
[pgn]
[Event "05, 4th Harvard Cup G/25 6 November"]
[Site "05, 4th Harvard Cup G/25 6 No"]
[Date "1993.??.??"]
[Round "?"]
[White "Gulko Boris F (USA)"]
[Black "BattleChess 4000 SVGA"]
[Result "1/2-1/2"]
[ECO "D00"]
[PlyCount "170"]
[EventDate "1993.??.??"]
1. d4 Nf6 2. Bf4 d5 3. e3 Bf5 4. c4 Nc6 5. Nc3 e6 6. Nf3 Bb4 7. a3 {D06:
Queen's Gambit: Symmetrical and Baltic Defences.} Bxc3+ 8. bxc3 O-O {[#]} 9.
Bg5 $146 {The position is equal.} ({Predecessor:} 9. Nh4 Be4 10. f3 Nh5 11.
fxe4 Nxf4 12. exf4 Qxh4+ 13. g3 Qe7 14. cxd5 exd5 15. e5 {0-1 (36) Zuehlke,
B-Auth,R Wuerzburg 1989}) 9... Qe7 10. Bd3 Bxd3 11. Qxd3 dxc4 12. Qxc4 h6 13.
Bh4 Qd8 14. O-O Qd5 15. Qd3 Ne4 16. Rab1 Nd6 17. Nd2 Ne5 18. Qe2 {Hoping for
e4.} Ng6 {0.82/26} (18... Nec4 $11 {-0.07/19 keeps the balance.}) 19. Bg3 Qc6
20. c4 Nf5 21. Rb4 {0.27/23} (21. Qf3 $16 {1.00/21}) 21... Nxg3 22. hxg3 b6 23.
Qh5 Rad8 24. Rc1 Rd6 {0.81/20} (24... e5 $11 {-0.04/19}) 25. Qb5 (25. c5 {
looks sharper.} Rd5 26. Qe2 Rfd8 27. Nf3 e5 28. e4) 25... e5 26. Qxc6 Rxc6 27.
d5 Rd6 28. e4 Re8 $2 {2.66/22} (28... c6 $16 {0.96/21 might work better.}) 29.
c5 $18 Rd7 30. Ra4 Ra8 31. cxb6 cxb6 32. Rc6 {1.11/26} (32. Rac4 $18 {1.91/24})
32... Re8 33. Rac4 f6 {2.38/21} (33... Ne7 $16 {1.24/28}) 34. a4 {1.15/26} (34.
Rc7 $18 {2.38/21 is more deadly.} Ree7 35. Rc8+ Kf7 36. Rc1) 34... Ra8 $2 {
2.78/25} (34... Ne7 $16 {1.15/26}) 35. Kf1 {1.55/22} ({White should try} 35.
Rc8+ $18 {2.78/25} Rxc8 36. Rxc8+ Kf7 37. Nc4) 35... Kf7 36. Nf3 {1.23/25} (36.
Ke2 $18 {1.90/23}) 36... Ne7 $16 37. Rc7 {0.02/22} ({White must play} 37. Re6
$1 $16 {1.34/21}) 37... Ke8 $1 $11 38. Rc2 Kd8 39. R7c3 Rc8 40. Rxc8+ Nxc8 {
Endgame KRN-KRN} 41. Ke2 Nd6 42. Kd3 f5 $2 {3.79/21} (42... Nb7 $15 {-0.37/25
stays ahead.}) 43. Nxe5 $18 fxe4+ 44. Kd4 Rc7 45. Nc6+ Ke8 46. g4 Kd7 47. Re2
Kc8 48. Ke5 Kd7 49. Rc2 {1.07/23} (49. Kd4 $18 {2.04/24}) 49... Rc8 50. Kd4 Rc7
{2.64/23} (50... a6 $16 {1.57/22 keeps fighting.} 51. f3 exf3) 51. Rc3 {1.54/22
} ({White should play} 51. f3 $18 {2.64/23}) 51... Ke8 {2.97/21} (51... Ne8 $16
{1.54/22}) 52. Ke5 Kd7 {3.44/21} (52... Nb7 {1.99/20 was necessary.} 53. Kxe4
Nc5+ 54. Ke5 Nxa4) 53. Kd4 {1.67/21} (53. Nb8+ $142 {3.44/21} Kd8 54. Nc6+ Kd7
55. Kd4) 53... Ke8 {2.97/23} (53... Nb7 $142 {1.67/21} 54. g5 (54. Kxe4 Kd6 $16
) 54... hxg5) 54. Re3 Kf7 55. f3 exf3 56. gxf3 h5 57. Re6 $4 {-4.03/22} (57.
Nd8+ $18 {2.76/21 avoids the disaster.} Kg8 58. Re6) 57... Rxc6 $1 $19 {
[#] Deflection. Black converts the advantage convincingly.} 58. dxc6 $2 {
-13.99/23} (58. gxh5 {-3.88/23} b5 59. Re1) 58... Kxe6 59. gxh5 {KN-KP} Ne8 60.
Kc4 Kd6 61. Kd4 Nf6 62. c7 Kxc7 63. Ke5 Nxh5 {KN-KPP} 64. Kf5 Ng3+ {-17.21/28}
(64... a5 $142 {-#29/28} 65. Ke5 b5 $1 66. axb5 Kb6 67. f4 a4 68. Kf5 a3 69.
Kg5 Nf6 70. Kg6 a2 71. Kxg7 a1=Q 72. Kg6 Qd4 73. Kf5 Nd5 74. Ke6 Qe4+ 75. Kf7
Qxf4+ 76. Kg8 Ne7+ 77. Kg7 Kxb5 78. Kh7 Qf7+ 79. Kh8 Qg8#) 65. Kg6 Ne2 66. Kxg7
Nd4 {Black mates.} 67. f4 Ne6+ {[#] Double Attack} 68. Kf6 Nxf4 {KN-KP} 69. Ke5
Ne2 70. Kd5 Nc3+ {Double Attack} 71. Kc4 Nxa4 72. Kb5 Nc5 73. Kb4 Kd6 74. Kb5
Kd5 75. Kb4 a6 76. Kc3 a5 77. Kb2 b5 78. Kc3 b4+ 79. Kb2 Kc4 80. Kc2 Nd3 81.
Kd2 b3 82. Ke3 b2 83. Ke4 a4 84. Kf5 a3 85. Ke6 Nb4 {Weighted Error Value:
White=0.77/Black=0.48. An unexpected result.} 1/2-1/2
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