Author: Drexel,Michael
Date: 13:53:07 08/15/03
Go up one level in this thread
On August 15, 2003 at 14:25:58, Dann Corbit wrote:
>On August 15, 2003 at 13:51:01, Drexel,Michael wrote:
>
>>... until a program is able to evaluate this position as 0.00?
>>
>>[D] 8/8/4k2p/8/p3B3/6PK/8/8 w - - 0 14
>>
>>Pretty much an evidence of incapacity.
>
>I don't think so. Pit two top programs against each other in a 100 game match
>starting from that position and I believe you'll get at least 99 draws.
It might be important to see a draw in the search.
For example:
[D] 8/6p1/4k2p/6P1/p3B3/6PK/8/8 w - - 0 1
1.Kg4 wins, 1.gxh6 is draw.
>
>In other words, they will misevaluate the position but get the draw anyway.
>
>Here is another example. For at least the last 20 moves, both programs had a
>big advantage for the side with the superior material, despite the obvious draw.
> Yet a draw was played out in the end.
>
>[Event "Computer chess game"]
>[Site "DANNFAST"]
>[Date "2003.08.15"]
>[Round "17"]
>[White "Arasan 7.0"]
>[Black "PMv1006"]
>[Result "1/2-1/2"]
>[TimeControl "600+15"]
>
>1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 O-O 5. Be2 c5 6. d5 d6 7. Nf3 b6 8. O-O
>Bb7 9. Bf4 h6 10. Qc2 g5 11. Be3 Na6 12. h4 g4 13. Ne1 h5 14. Qd2 e6 15.
>Bg5 exd5 16. exd5 Qe8 17. Bd3 Nd7 18. Ne4 Qe5 19. Rb1 Nb4 20. Bf4 Qd4 21.
>Nxd6 Nxd3 22. Nxd3 Ba6 23. Qc2 Rad8 24. Rfd1 Qf6 25. Re1 Qg6 26. Rbd1 Nb8
>27. Ne4 Rfe8 28. Ng5 Qf5 29. Bxb8 Rxb8 30. Qa4 Rxe1+ 31. Rxe1 Bd4 32. Ne4
>Kg7 33. Re2 Bc8 34. Qxa7 Rb7 35. Qa8 Re7 36. d6 Re8 37. Kh1 Bd7 38. Qb7 Bc8
>39. Qd5 Qxd5 40. cxd5 Kf8 41. f3 f5 42. Nc3 Ba6 43. Rxe8+ Kxe8 44. Nf4 gxf3
>45. gxf3 Kd7 46. Nxh5 Kxd6 47. Ng3 Bd3 48. h5 b5 49. h6 Be5 50. h7 b4 51.
>f4 Bf6 52. Nd1 Kxd5 53. Ne3+ Ke6 54. b3 Bb1 55. Ngf1 Be4+ 56. Kh2 Kf7 57.
>Ng3 Kg6 58. Nxe4 fxe4 59. Nc4 Kxh7 60. Kg3 Kg6 61. Nd6 e3 62. Kf3 Bd4 63.
>Nc4 e2 64. Kxe2 Kf5 65. Kf3 Bc3 66. Ne3+ Ke6 67. Ke4 Ba1 68. Nc4 Bd4 69. a3
>bxa3 70. Nxa3 Bf6 71. Nb5 Bb2 72. Nc7+ Kd6 73. Nd5 Kc6 74. Ne3 Kb5 75. Nd5
>c4 76. bxc4+ Kxc4 77. Nb6+ Kb5 78. Nd7 Bg7 79. Kd5 Kb4 80. f5 Kc3 81. Nc5
>Bd4 82. Nd7 Bh8 83. Ne5 Bg7 84. Ke4 Kd2 85. Nf7 Ke2 86. Ng5 Kf1 87. Kf3 Bf6
>88. Nh3 Be5 89. Nf4 Bf6 90. Nd5 Be5 91. Nf4 Bf6 92. Ne2 Ke1 93. Ng3 Be5 94.
>Ne4 Kf1 95. Nc5 Kg1 96. Nd7 Bd4 97. Nf8 Be5 98. Ne6 Kf1 99. Ng5 Bf6 100.
>Ne4 Be5 101. Nc5 Bd4 102. Nd3 Bf6 103. Nb4 Kg1 104. Nd5 Be5 105. Nf4 Bf6
>106. Ne6 Be5 107. Ke4 Bf6 108. Nf8 Kg2 109. Nd7 Bg7 110. Kd5 Bc3 111. Ne5
>Kg3 112. f6 Kh4 113. f7 Bb4 114. Nd7 Be7 115. Ke6 Bb4 116. Nb6 Kg3 117. Kd7
>Bf8 118. Ke8 Bg7 119. Ke7 Kf4 120. Nc4 Ke4 121. Ke6 Kf4 122. Ke7 Kf5 123.
>Nd6+ Kf4 124. Ne8 Bh6 125. Ke6 Bf8 126. Nf6 Kg3 127. Nd7 Bb4 128. Ne5 Bf8
>129. Kf5 Kf2 130. Kf6 Ke3 131. Kf5 Kf2 132. Ng6 Bg7 133. Nf4 Bf8 134. Ne6
>Be7 135. Nd4 Bf8 136. Ne6 Be7 137. Nf4 Bf8 138. Ng6 Bg7 139. Ke6 Kg3 140.
>Ke7 Kf3 141. Nf8 Bc3 142. Ng6 Ke4 143. Ke6 Bg7 144. Ne5 Kf4 145. Nd7 Kg4
>146. Ke7 Kf5 147. Nc5 Bf6+ 148. Kd7 Bg7 149. Ke7 Bf6+ 150. Kf8 Bd4 151. Nd3
>Bf6 152. Nc5 Bd4 153. Nd3 Bf6 154. Nc1 Be5 155. Ke7 Bf6+ 156. Ke8 Bg7 157.
>Nb3 Kg4 158. Nd4 Bh6 159. Ke7 Kf4 160. Kf6 Bg5+ 161. Kg7 Be7 162. Ne6+ Kf3
>163. f8=R+ Bxf8+
>{Insufficient material for mate} 1/2-1/2
I wish I would get the position after 68...Bd4. Just 69.f5+ and Black can
resign.
Michael
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