Author: Tim Foden
Date: 12:55:00 05/13/03
Go up one level in this thread
On May 13, 2003 at 15:18:22, Martin Giepmans wrote:
>
>From a game Ruffian - SpiderChess
>
>[D]8/7p/p2k4/1p4p1/4K1P1/P6P/8/8 b - - 0 50
>
>
>
>In this position SpiderChess played 50 .. Kc5? (it should have played
>Ke6 Kd4 a5 -+) and thought it was winning.
>
>The game continued:
>51. Kf5 Kc4 52. Kxg5 Kb3 53. Kh6 Kxa3 54. Kxh7 b4 55. h4 b3 56. g5 b2
>57. h5 b1=Q+ 58. g6 Qe4 59. h6 a5 60. Kg7 Qe7+ 61. Kh8 Qf8+ 62. Kh7 Qf5 63.
>Kg7 Kb3 64. h7 Qe5+ 65. Kg8 Qe8+ 66. Kg7 Qe7+ 67. Kg8 Qd8+ 68. Kg7 Qc7+ 69.
>Kg8 Qc8+ 70. Kg7 Qc3+ 71. Kg8 Qc4+ 72. Kg7 Qd4+ 73. Kg8 Qd5+ 74. Kg7 Qb7+
>75. Kg8 Qa8+ 76. Kg7 Qa7+ 77. Kg8 Qb6 78. Kg7 Kc2 79. h8=Q Qd4+ 80. Kg8
>Qd5+ 81. Kh7 Qh5+ 82. Kg7 Qe5+ 83. Kh7 Qh5+ 84. Kg7 Qe5+ 85. Kh7 Qh2+ 86.
>Kg8 Qb8+ 87. Kh7 Qh2+ 88. Kg7 Qc7+ 89. Kh6 Qf4+ 90. Kh7 Qh4+ 91. Kg7 Qe7+
>92. Kh6 Qe3+ 93. Kh7 Qh3+ 94. Kg8 Qb3+ 95. Kf8 Qb8+ 96. Kg7 Qb7+ 97. Kh6
>Qh1+ 98. Kg7 Qb7+ 99. Kh6 Qh1+ 100. Kg7 Qb7+ 101. Kh6 Qh1+ 102. Kg7 Qb7+
>{Drawn by repetition} 1/2-1/2.
>
>How do other engines fare?
>
>Martin
I'm not convinced that Kc5 is so bad. It looks to me that 52... Kb3 was more
likely the wrong move. It looks to me (with brief computer assisted analysis)
like it should have been 52... a5.
Cheers, Tim.
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