Author: Jaime Benito de Valle Ruiz
Date: 12:57:52 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 don't see any draw anywhere. Black will easily win even after Kc5!
Anyway, Fritz 8 for example, gives a score of more than 8 pawns to black from
the beginning; that's more than enough for me.
After move 63...., Kb3, Fritz's score drops 6 pawns!!!! (that's what I call a
bad move). Once White makes h7, the situation gets too close to a draw, although
I haven't analysed it yet.
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