Author: James T. Walker
Date: 14:38:13 02/19/03
I just finished a game between Crafty 19.03 (From Chessbase download) and Comet
B55 (Also Chessbase). My question concerns Crafty's behavior near the end of
the game when mate is imminent. The game is posted below. Notice that even
when Crafty sees mate in 2 it takes 2 1/2 minutes to make it's move. Is this
normal for Crafty now?
[Event "40/40+40/40+30'/XP2400+"]
[Site "?"]
[Date "2003.02.19"]
[Round "2"]
[White "Comet B55"]
[Black "Crafty 19.03"]
[Result "0-1"]
[ECO "E55"]
[PlyCount "156"]
[EventDate "2003.02.19"]
{108MB, general.ctg, XP2400+
} 1. d4 {0} 1... Nf6 {0} 2. c4 {0} 2... e6 {0} 3.
Nc3 {0} 3... Bb4 {0} 4. e3 {0} 4... O-O {0} 5. Bd3 {0} 5... d5 {0} 6. Nf3 {0}
6... c5 {0} 7. O-O {0} 7... dxc4 {0} 8. Bxc4 {0} 8... Nbd7 {0} 9. Qe2 {0} 9...
b6 {0} 10. Rd1 {0} 10... cxd4 {0} 11. exd4 {0} 11... Bb7 {0} 12. Bd3 {(Ne5) 0}
12... Rc8 {0} 13. Bd2 {0} 13... Bd6 {0} 14. Nb5 {0} 14... Bb8 {0} 15. Bg5 {0}
15... Qe8 {0} 16. Ne5 {0} 16... h6 {0} 17. Nxd7 {0} 17... Nxd7 {0} 18. Bh4 {0}
18... a6 {0.35/13 105} 19. Nc3 {148} 19... b5 {0.43/12 16} 20. f3 {272} 20...
Kh8 {0.56/12 0} 21. a4 {128} 21... b4 {0.64/14 22} 22. Ne4 {164} 22... f5 {
0.51/14 0} 23. Nd2 {119} 23... e5 {0.60/13 43} 24. Bxa6 {78} 24... Bxa6 {
0.78/14 0} 25. Qxa6 {35} 25... exd4 {0.72/13 105} 26. Qd3 {(Bf2) 46} 26... Qe5
{0.49/13 143} 27. Nf1 {111} 27... Nc5 {0.45/13 55} 28. Qc4 {156} 28... d3 {
0.30/14 0} 29. Qxb4 {113} 29... Ba7 {0.34/13 47} 30. Kh1 {109} 30... Rb8 {
0.44/14 60} 31. Qc3 {146} 31... Qxc3 {0.48/15 35} 32. bxc3 {0} 32... Rb7 {
0.55/15 196} 33. a5 {33} 33... Re8 {0.63/14 186} 34. Rab1 {(Bf2) 61} 34... Rxb1
{-0.02/17 198} 35. Rxb1 {0} 35... Re2 {-0.07/16 198} 36. Be1 {(Rd1) 0} 36...
Nb3 {-0.92/17 198} 37. Rd1 {29} 37... Nxa5 {-0.89/16 168} 38. Bg3 {49} 38...
Bc5 {-0.94/15 188} 39. h3 {(Rxd3) 201} 39... Nb3 {-1.47/17 217} 40. Be1 {
(Kh2) 92} 40... f4 {-1.68/15 109} 41. Bd2 {(Nd2) 139} 41... Be3 {-2.34/18 63}
42. Bxe3 {62} 42... fxe3 {-2.43/19 1} 43. Rxd3 {268} 43... Re1 {-2.44/19 0} 44.
Rxe3 {209} 44... Rxf1+ {-2.44/17 0} 45. Kh2 {27} 45... Rc1 {-2.38/15 42} 46.
Re8+ {(Kg3) 171} 46... Kh7 {-1.97/4 0} 47. Rc8 {(Re3) 185} 47... Rc2 {
-2.53/15 71} 48. h4 {36} 48... Nc1 {-2.66/15 34} 49. Rc7 {(Kh3) 55} 49... Nd3 {
-2.80/15 72} 50. Kg3 {(Kh3) 111} 50... Ne1 {-3.18/14 72} 51. Re7 {70} 51...
Rxg2+ {-3.41/15 2} 52. Kh3 {(Kf4) 57} 52... Rg1 {-3.78/16 75} 53. Re3 {64}
53... Nc2 {-3.68/15 10} 54. Re7 {(Re6) 53} 54... Na3 {-3.75/14 101} 55. Rc7 {0}
55... Rc1 {-3.79/14 91} 56. Kg4 {(Rc5) 69} 56... Rc2 {-3.33/14 75} 57. f4 {
(Kf5) 63} 57... Nb5 {-3.42/14 78} 58. Rc5 {14} 58... Nxc3 {-3.86/14 64} 59. Kf5
{(Rc7) 0} 59... g6+ {-4.23/15 76} 60. Ke5 {87} 60... Re2+ {-4.20/15 1} 61. Kd4
{101} 61... Nd1 {-4.35/14 4} 62. Rc7+ {(h5) 41} 62... Kg8 {-4.50/14 85} 63. h5
{17} 63... gxh5 {-4.74/14 66} 64. Rc5 {(Rc6) 0} 64... Rd2+ {-4.94/13 95} 65.
Ke4 {(Ke5) 77} 65... h4 {-5.35/13 91} 66. Rh5 {(Rc8+) 22} 66... h3 {-5.42/13 91
} 67. Rxh6 {(Kf3) 28} 67... Re2+ {-6.28/13 83} 68. Kd3 {(Kd4) 64} 68... Re7 {
-7.22/13 83} 69. Kd2 {56} 69... Rh7 {-12.35/13 31} 70. Rb6 {(Rg6+) 28} 70... h2
{-12.65/12 88} 71. Rb8+ {180} 71... Kg7 {-16.15/14 0} 72. Rb7+ {31} 72... Kh6 {
-16.20/13 66} 73. Rb6+ {21} 73... Kh5 {-#12/13 79} 74. Rb5+ {(Rd6) 24} 74...
Kg4 {-#10/12 186} 75. f5 {(Rg5+) 0} 75... h1=Q {-#7/11 90} 76. Ke2 {(Rb4+) 0}
76... Qe4+ {-#4/9 119} 77. Kd2 {(Kxd1) 0} 77... Rh2+ {-#2/9 152} 78. Kxd1 {0}
78... Qh1# {-#1/9 74} 0-1
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