Author: Jeremiah Penery
Date: 18:27:15 07/19/00
Go up one level in this thread
On July 19, 2000 at 09:33:55, Andrew Williams wrote:
>Here is a position that arose in a game on ICC today (PGN below):
>
>[D] 8/1N6/6p1/2K1k2p/8/1PP5/8/8 w - - acd 11; acn 576768; acs 5; ce 772; fmvn
>60; hmvc 0; id "PostModernist vs Tinker"; pm Kc6 ; pv 60. Kc6 h4 61. Nc5 Kf4 62.
>Kd5
>
>Notice that my program gives a score of +7.72 after a depth 11 search. What
>happened in fact is that Tinker managed to force home its g-pawn and win. I
>was wondering whether PM missed something here. After a longer search, PM
>prefers Kc4, but it's not clear if White can do better than draw.
>
>I'd be interested in any opinions on this position, either silicon- or
>carbon-generated :-)
Here's some output from a modified Crafty:
19-> 27:41 4.41 60. Kc4 Ke4 61. Nc5+ Ke3 62. b4 h4
63. b5 h3 64. b6 h2 65. b7 h1=Q 66.
b8=Q Qf1+ 67. Kb4 Qb1+ 68. Nb3 Ke4
69. Qb6 Kf3 70. Qf6+ Ke3 <HT>
20 41:31 -- 60. Kc4
20 50:49 -1.33 60. Kc4 h4 61. Nc5 Kf4 62. Kd3 h3 63.
Ke2 h2 64. Nd3+ Kg3 65. Nf2 Kg2 66.
b4 g5 67. b5 g4 68. b6 g3 69. Nh1 Kxh1
70. b7 g2 71. b8=Q g1=Q
20 64:00 ++ 60. Nd8!!
20 68:04 -0.60 60. Nd8 h4 61. Nc6+ Ke4 62. b4 h3 63.
b5 h2 64. b6 h1=Q 65. b7 Qg1+ 66. Kb5
Qb1+ 67. Nb4 Qf1+ 68. c4 Qf5+ 69. c5
Qf1+ 70. Kb6 Qf8 71. Na6 Qd8+ 72. Ka7
Qd7 73. c6
20-> 69:20 -0.60 60. Nd8 h4 61. Nc6+ Ke4 62. b4 h3 63.
b5 h2 64. b6 h1=Q 65. b7 Qg1+ 66. Kb5
Qb1+ 67. Nb4 Qf1+ 68. c4 Qf5+ 69. c5
Qf1+ 70. Kb6 Qf8 71. Na6 Qd8+ 72. Ka7
Qd7 73. c6
21 71:22 -- 60. Nd8
21 95:30 -0.62 60. Nd8 h4 61. Nc6+ Ke4 62. b4 h3 63.
b5 h2 64. b6 h1=Q 65. b7 Qg1+ 66. Kb5
Qb1+ 67. Nb4 Qf1+ 68. c4 Qf5+ 69. c5
Qd7+ 70. c6 Qf5+ 71. Kb6 Qf2+ 72. Kc7
Qf4+ 73. Kc8 Qf5+ 74. Kc7 Qe5+ 75.
Kc8
21-> 114:18 -0.62 60. Nd8 h4 61. Nc6+ Ke4 62. b4 h3 63.
b5 h2 64. b6 h1=Q 65. b7 Qg1+ 66. Kb5
Qb1+ 67. Nb4 Qf1+ 68. c4 Qf5+ 69. c5
Qd7+ 70. c6 Qf5+ 71. Kb6 Qf2+ 72. Kc7
Qf4+ 73. Kc8 Qf5+ 74. Kc7 Qe5+ 75.
Kc8
22 116:18 ++ 60. Nd8!!
22 121:31 0.00 60. Nd8 h4 61. Nc6+ Ke4 62. b4 h3 63.
b5 h2 64. b6 h1=Q 65. b7 Qc1 66. b8=Q
Qxc3+ 67. Kd6 Qg3+ 68. Ke7 Qxb8 69.
Nxb8 Ke3 70. Ke8 Kf2 71. Kf7 Kg3 72.
Kxg6 Kf3 73. Kh7
22-> 152:57 0.00 60. Nd8 h4 61. Nc6+ Ke4 62. b4 h3 63.
b5 h2 64. b6 h1=Q 65. b7 Qc1 66. b8=Q
Qxc3+ 67. Kd6 Qg3+ 68. Ke7 Qxb8 69.
Nxb8 Ke3 70. Ke8 Kf2 71. Kf7 Kg3 72.
Kxg6 Kf3 73. Kh7
<SNIP the same>
25 506:24 0.00 60. Nd8 h4 61. Nc6+ Ke4 62. b4 h3 63.
b5 h2 64. b6 h1=Q 65. b7 Qc1 66. b8=Q
Qxc3+ 67. Kd6 Qg3+ 68. Ke7 Qxb8 69.
Nxb8 Ke3 70. Ke8 Kf2 71. Kf7 Kg3 72.
Kxg6 Kf3 73. Kh7 Kg4 74. Kh8 Kh4
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