Author: Dann Corbit
Date: 10:41:25 01/21/02
Go up one level in this thread
On January 21, 2002 at 11:00:13, David Rasmussen wrote: >[D]8/1R5P/8/p7/2k1pK2/2p5/8/7r b - - 0 60 > >Chezzz eventually moved Rh4+, which lead to a draw. It considered c2, but >rejected it. What is the best move here, and can black win? The game history >might be important too, I don't know. Here's the game: > >[Event "ICC 60 10 u"] >[Site "Internet Chess Club"] >[Date "2002.01.20"] >[Round "-"] >[White "Sjeng"] >[Black "Chezzz"] >[Result "1/2-1/2"] >[ICCResult "Game drawn by mutual agreement"] >[WhiteElo "2492"] >[BlackElo "2362"] >[Opening "Queen's pawn: English defense"] >[ECO "A40"] >[NIC "QO.17"] >[Time "13:23:40"] >[TimeControl "3600+10"] > >1. d4 b6 2. e4 Bb7 3. f3 e6 4. Nc3 Bb4 5. Ne2 d5 6. a3 Be7 7. Nf4 dxe4 8. >fxe4 Nf6 9. Bb5+ c6 10. Be2 O-O 11. O-O a5 12. e5 Nd5 13. Ncxd5 exd5 14. Nh5 >Bc8 15. Qe1 Bh4 16. Nf6+ Qxf6 17. exf6 Bxe1 18. fxg7 Kxg7 19. Rxe1 Bf5 20. >c4 dxc4 21. Bxc4 Nd7 22. Bd2 Rae8 23. d5 cxd5 24. Bxd5 Nf6 25. Bc3 Kg6 26. >Bb3 Ne4 27. Bd4 Nc5 28. Bxc5 bxc5 29. Ba4 Rxe1+ 30. Rxe1 Rb8 31. Re2 Kf6 32. >Kf2 Bd3 33. Rd2 Be4 34. Ke3 Ke5 35. Bd1 f5 36. g3 c4 37. Re2 Rd8 38. Bc2 Rb8 >39. Ba4 h5 40. Kf2 h4 41. gxh4 Rh8 42. Bc2 Rxh4 43. Bxe4 fxe4 44. Kg3 Rh8 >45. h4 Kd4 46. Rd2+ Ke3 47. Rd7 Rg8+ 48. Kh3 Rb8 49. h5 Rxb2 50. h6 Rb6 51. >h7 Rh6+ 52. Kg4 c3 53. Kg5 Rh1 54. Rc7 Kd2 55. Rd7+ Kc1 56. Rf7 Kb2 57. Rb7+ >Kxa3 58. Rc7 Kb3 59. Rb7+ Kc4 60. Kf4 Rh4+ 61. Kg3 Rh6 62. Kf4 Kd5 63. Rc7 >Rh5 64. Kg4 Rh1 65. Rxc3 Rxh7 66. Ra3 Ra7 67. Ra4 Ke5 68. Kg3 Kf5 69. Kf2 >Kf4 70. Ke2 Ra6 71. Kf2 Ra7 72. Ke2 Ra6 73. Kf2 Ra8 74. Ke2 Ra7 75. Kf2 Ra8 >76. Ke2 Ra7 77. Kf2 Ra6 78. Ke2 Rh6 79. Rxa5 Rh2+ 80. Kd1 >{Game drawn by mutual agreement} >1/2-1/2 > >What knowledge does a program need to pick the/a winning move from this position >fairly quickly (besides from TB's)? Takes Pepito quite a while to find a4 (almost 3 minutes). Pepito> setboard 8/1R5P/8/p7/2k1pK2/2p5/8/7r b - - Pepito> go 5 362 91 9890 c2 Rb7-c7 Kc4-d3 Rc7-d7 Kd3-e2 Rd7-c7 Ke2-d2 5 362 92 11794 c2 Rb7-c7 Kc4-d3 Rc7-d7 Kd3-e2 Rd7-c7 Ke2-d2 6 329 99 41454 c2 ?? Rb7-c7 Kc4-d3 Rc7-d7 Kd3-e2 Rd7-c7 Ke2-d2 6 330 102 49557 c2 !! 6 327 102 51900 c2 Rb7-c7 Kc4-d3 Rc7-d7 Kd3-c3 Rd7-c7 Kc3-d2 Rc7-d7 Kd2-e2 Rd7-c7 6 327 104 58531 c2 Rb7-c7 Kc4-d3 Rc7-d7 Kd3-c3 Rd7-c7 Kc3-d2 Rc7-d7 Kd2-e2 Rd7-c7 7 360 111 87456 c2 !! 7 333 112 91502 c2 Rb7-c7 Kc4-d3 Rc7-d7 Kd3-c3 Rd7-c7 Kc3-d2 Rc7-d7 7 333 119 120933 c2 Rb7-c7 Kc4-d3 Rc7-d7 Kd3-c3 Rd7-c7 Kc3-d2 Rc7-d7 8 300 175 366319 c2 ?? Rb7-c7 Kc4-d3 Rc7-d7 Kd3-c3 Rd7-c7 Kc3-d2 Rc7-d7 8 284 221 562189 Kc4-d5 Rb7-c7 a4 Kf4-f5 a3 Rc7xc3 a2 Rc3-a3 a1=B 8 284 238 634808 Kc4-d5 Rb7-c7 a4 Kf4-f5 a3 Rc7xc3 a2 Rc3-a3 a1=B 9 293 285 844319 Kc4-d5 Rb7-c7 a4 Kf4-f5 a3 Rc7xc3 a2 Rc3-a3 Rh1-f1 Kf5-g6 Rf1-g1 Kg6-f6 a1=B 9 293 334 1068215 Kc4-d5 Rb7-c7 a4 Kf4-f5 a3 Rc7xc3 a2 Rc3-a3 Rh1-f1 Kf5-g6 Rf1-g1 Kg6-f6 a1=B 10 289 433 1522123 Kc4-d5 Rb7-c7 a4 Kf4-f5 Kd5-d4 Kf5-f6 e3 Rc7-d7 Kd4-e4 Rd7-e7 Ke4-d3 Kf6-g7 10 289 547 2050061 Kc4-d5 Rb7-c7 a4 Kf4-f5 Kd5-d4 Kf5-f6 e3 Rc7-d7 Kd4-e4 Rd7-e7 Ke4-d3 Kf6-g7 11 265 653 2543858 Kc4-d5 Rb7-c7 a4 Kf4-f5 Kd5-d4 Kf5-g6 e3 Rc7-d7 Kd4-e4 Rd7-e7 Ke4-d3 Re7-d7 Kd3-e2 Kg6-g7 11 265 854 3451594 Kc4-d5 Rb7-c7 a4 Kf4-f5 Kd5-d4 Kf5-g6 e3 Rc7-d7 Kd4-e4 Rd7-e7 Ke4-d3 Re7-d7 Kd3-e2 Kg6-g7 12 291 1221 4979960 Kc4-d5 Rb7-c7 a4 Kf4-f5 Kd5-d4 Kf5-g6 e3 Rc7-d7 Kd4-e4 Rd7-d1 Rh1-h4 Kg6-g7 Rh4-g4 Kg7-h8 12 291 1472 6158720 Kc4-d5 Rb7-c7 a4 Kf4-f5 Kd5-d4 Kf5-g6 e3 Rc7-d7 Kd4-e4 Rd7-d1 Rh1-h4 Kg6-g7 Rh4-g4 Kg7-h8 13 271 1963 8319152 Kc4-d5 Rb7-c7 a4 Kf4-f5 Kd5-d4 Kf5-g6 e3 Rc7-d7 Kd4-c4 Rd7-d1 Rh1-h4 Rd1-a1 Kc4-b3 Kg6-g7 13 271 2931 12869142 Kc4-d5 Rb7-c7 a4 Kf4-f5 Kd5-d4 Kf5-g6 e3 Rc7-d7 Kd4-c4 Rd7-d1 Rh1-h4 Rd1-a1 Kc4-b3 Kg6-g7 14 257 4713 20943418 Kc4-d5 Rb7-c7 a4 Kf4-f5 Kd5-d4 Kf5-g6 e3 Rc7-d7 Kd4-e4 Rd7-d1 Rh1xd1 h8=Q c2 Qh8-e8 Ke4-d3 Qe8-b5 Kd3-c3 Qb5-a5 Kc3 -b2 14 257 9437 42121527 Kc4-d5 Rb7-c7 a4 Kf4-f5 Kd5-d4 Kf5-g6 e3 Rc7-d7 Kd4-e4 Rd7-d1 Rh1xd1 h8=Q c2 Qh8-e8 Ke4-d3 Qe8-b5 Kd3-c3 Qb5-a5 Kc3 -b2 15 237 12704 56324491 Kc4-d5 Rb7-c7 a4 Rc7xc3 Rh1xh7 Rc3-a3 Rh7-f7 Kf4-g5 Rf7-g7 Kg5-f4 Rg7-a7 Ra3-a1 Ra7-f7 Kf4-g4 e3 Ra1xa4 e2 Ra4-a5 K d5-e4 Ra5-a1 15 290 17508 77808102 a4 !!
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