Author: Sylvain Renard
Date: 14:20:46 06/12/01
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On June 12, 2001 at 16:02:09, Uri Blass wrote:
>This position is from a game of Fritz6 that was posted by James walker
>
>[D]8/8/P2k4/1P6/2P5/K7/8/1r6 b - - 0 1
>
>Deep Fritz(without null move pruning) says Kd7 mate in 32 at depth 20)
...............................
>Can your program find the forced mate?
>Uri
Capture finds a mate in 29 :
17.01 6:37 +M37++ 1...Kd7 (127.974.582) 322.3
17.01 6:44 +M34 1...Kd7 2.Ka4 Kc7 3.c5 Ra1+ 4.Kb4 Kb8 5.Kc3 Rc1+ 6.Kd4
Rd1+ 7.Ke5 Ra1 8.Kd5 Ra5 9.Kc4 Ka7 10.Kb4 (130.028.952) 321.8
18.01 14:15 +M29 1...Kd7 2.Ka4 Kc7 3.c5 Ra1+ 4.Kb4 Kb8 5.Kc3 Ka7 6.Kb3 Rc1
7.Kb4 Rc2 8.c6 Kb6 9.Kb3 Rh2 10.Kc4 Rb2 11.a7 Kxa7 (253.533.872) 296.5
Of course all programs use 5 pieces tablebases!
Best regards,
Sylvain
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