Author: Ed Schröder
Date: 02:21:47 02/17/02
Go up one level in this thread
On February 17, 2002 at 04:55:13, Steffen Jakob wrote:
>Here is another position which is easy to solve for humans. In a blitz game
>between Hossa and Arasan the following position was on the board:
>
>[D]8/8/4B2p/2K5/r5P1/p5k1/Rb6/8 b - - 7 116
>
>For humans it's rather easy to see that 117... Rxg4 wins without any problems
>because the white rook is totally paralyzed. Unfortunately Hossa wasn't able to
>see this in the blitz game. So the game continued until the 50 moves rule forced
>Hossa to take the bishop and finally to win the game.
>Which engines find 117... Rxg4 in which time?
Easy for comps too :)
2 secs for RC4
Ed
==============================================================
00:00:02.1 1,88 9 449751 Re4 Kd6 Re3 Bf5 Kf4 Be6 Re5 Bd7
00:00:02.1 1,88 9 817955 Rxg4
00:00:02.1 2,09 9 835992 Rxg4 Bxg4 Kxg4 Kd5 h5 Kd6 h4 Kd5
00:00:03.3 2,17 10 1122788 Rxg4 Bxg4 Kxg4 Kd5 h5 Ke4 h4 Ke3
00:00:04.5 2,01 11 2027319 Rxg4 Bxg4 Kxg4 Kc4 h5 Kd3 Kf3 Kc4
00:00:34.6 3,62 12 31107270 Rxg4 Bd7 h5 Bc6 Rf4 Kb5 h4 Ka5
00:00:44.1 3,82 13 41624594 Rxg4 Bd7 h5 Bc6 Rf4 Bb5
>Here is the complete game score:
>
>[Event "ICC 5 5"]
>[Site "Internet Chess Club"]
>[Date "2002.02.17"]
>[Round "-"]
>[White "ArasanX"]
>[Black "Hossa"]
>[Result "0-1"]
>[ICCResult "White resigns"]
>[WhiteElo "2544"]
>[BlackElo "2541"]
>[Opening "QGD: Tartakower (Makagonov-Bondarevsky) system"]
>[ECO "D58"]
>[NIC "QO.10"]
>[Time "03:39:22"]
>[TimeControl "300+5"]
>1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 h6 6. Bh4 O-O 7. e3 b6 8. Be2
>Bb7 9. Bxf6 Bxf6 10. cxd5 exd5 11. O-O Re8 12. Qc2 g6 13. b4 c6 14. Rfc1 Bh8
>15. a4 Qd6 16. Rab1 Nd7 17. a5 Rab8 18. a6 Bc8 19. Nd1 Re6 20. b5 c5 21. Nc3
>Re8 22. Rd1 Nf6 23. Ne5 Ra8 24. Rbc1 Bf5 25. Bd3 Be6 26. Be2 Bf5 27. Qa2 Bg7
>28. Bf3 Be6 29. Qe2 Qc7 30. Qd2 Rad8 31. Nc6 Rd6 32. dxc5 bxc5 33. e4 d4 34.
>e5 Rxc6 35. bxc6 dxc3 36. Qd6 Qxd6 37. exd6 Nd7 38. cxd7 Bxd7 39. Re1 Rd8
>40. Rb1 c2 41. Rbc1 Bf5 42. d7 Rxd7 43. g4 Bd3 44. Bc6 Rd8 45. Ba4 Bb2 46.
>Rxc2 Bxc2 47. Bxc2 c4 48. Rd1 Bd4 49. Kg2 Kf8 50. f4 Ke7 51. f5 gxf5 52.
>Bxf5 c3 53. Kf3 Kf6 54. Ke4 Re8+ 55. Kd5 Be5 56. Rf1 Rd8+ 57. Bd7+ Kg5 58.
>Kc6 Bxh2 59. Rxf7 Rb8 60. Rf3 Rb6+ 61. Kc5 Rb3 62. Rf5+ Kh4 63. Rf1 Be5 64.
>Kd5 Bg7 65. Bf5 Ra3 66. Bd3 Ra5+ 67. Ke4 Ra4+ 68. Kf5 Kg3 69. Be2 Ra5+ 70.
>Ke4 c2 71. Rc1 Re5+ 72. Kd3 Re6 73. Rxc2 Rxa6 74. Rc7 Be5 75. Rf7 Bf4 76.
>Re7 Ra2 77. Kc4 a5 78. Kb3 Rd2 79. Re4 Rd7 80. Ka4 Bd2 81. Kb5 Rb7+ 82. Kc6
>Rb2 83. Bd1 Rb8 84. Rd4 Be3 85. Re4 Rc8+ 86. Kd7 Rc3 87. Ke6 Bf4 88. Kf5
>Rc5+ 89. Ke6 Rc8 90. Rd4 Be3 91. Ra4 Rd8 92. Bc2 Bd2 93. Rc4 Bf4 94. Bf5
>Rd6+ 95. Ke7 Ra6 96. Ra4 Bd2 97. Be6 Bb4+ 98. Kf7 Kf4 99. Ra2 Bc3 100. Rh2
>Bg7 101. Rf2+ Kg3 102. Ra2 Bd4 103. Ra4 Bb2 104. Bc8 Rc6 105. Bd7 Rf6+ 106.
>Ke7 Ra6 107. Bc8 Ra8 108. Bf5 Bc1 109. Kd6 Bd2 110. Ke5 Bb4 111. Ra2 a4 112.
>Kd5 a3 113. Ke4 Bc3 114. Be6 Ra4+ 115. Kd5 Bb2 116. Kc5 Ra5+ 117. Kd6 Ra6+
>118. Kd5 Kf4 119. Bd7 Kf3 120. Kc5 Ra7 121. Kd6 Ke3 122. Be8 Kf4 123. Bh5
>Ra5 124. Kc6 Kg3 125. Kd6 Ra6+ 126. Kd5 Ra4 127. Kc5 Ra7 128. Kd5 Ra8 129.
>Ke4 Ra4+ 130. Kd5 Kh3 131. Kc6 Kh4 132. Kc5 Ra6 133. Kb5 Ra7 134. Kb6 Ra8
>135. Kb5 Kg5 136. Kc4 Ra5 137. Kb4 Ra7 138. Kc5 Rc7+ 139. Kb5 Kf4 140. Kb4
>Rc2 141. Ka4 Rc8 142. Kb3 Rb8+ 143. Kc4 Kg5 144. Kd5 Rb5+ 145. Kc6 Ra5 146.
>Kd6 Ra8 147. Kc6 Kf4 148. Kc5 Ra6 149. Kd5 Kg5 150. Kc4 Ra4+ 151. Kc5 Re4
>152. Kb5 Rd4 153. Kc5 Rd1 154. Kb4 Re1 155. Ka4 Re7 156. Kb4 Rb7+ 157. Kc5
>Ra7 158. Kd6 Kf4 159. Kc6 Ra4 160. Kc5 Re4 161. Kd5 Re5+ 162. Kd6 Rxh5 163.
>gxh5 Kg4 164. Ke6 Kg5 165. Kd5 Kxh5 166. Ke4 Kg4 167. Ke3 Kg3 168. Ke2 Kg2
>169. Ke3 h5 170. Kf4 h4 171. Rxa3 Bxa3 172. Kg4 h3 173. Kg5 {White resigns}
>0-1
>
>Best wishes,
>Steffen.
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