Author: Aaron Gordon
Date: 10:25:53 01/21/02
Go up one level in this thread
CT14 thinks a4 is best..
[D]8/1R5P/8/p7/2k1pK2/2p5/8/7r b - - 0 1
Analysis by Chess Tiger 14.0:
1...c2
-+ (-4.03) Depth: 9 00:00:00 244kN, tb=5
1...c2
-+ (-3.13) Depth: 9 00:00:01 625kN, tb=16
1...c2 2.Kxe4 Rh4+ 3.Kf5 a4 4.Rc7+ Kb3 5.Rb7+ Ka2 6.Rc7 Rxh7 7.Rxc2+ Kb3 8.Rd2
a3
-+ (-3.14) Depth: 10 00:00:01 1017kN, tb=35
1...c2 2.Kxe4 Rh4+ 3.Kf5 a4 4.Rc7+ Kb3 5.Rb7+ Ka2 6.Rc7 Rxh7 7.Rxc2+ Kb3 8.Rd2
a3 9.Rd3+ Kb2
-+ (-2.98) Depth: 11 00:00:03 1915kN, tb=95
1...a4 2.Kxe4 a3 3.Rc7+ Kb3 4.Rb7+ Kc2 5.Ra7 Kd2 6.Rd7+ Ke2 7.Rc7 a2 8.Ra7 Rh4+
9.Kd5 Rxh7 10.Rxa2+ Kd3
-+ (-3.48) Depth: 11 00:00:08 4998kN, tb=703
1...a4 2.Kxe4 a3 3.Rc7+ Kb3 4.Rb7+ Kc2 5.Ra7 Kd2 6.Rd7+ Kc1 7.Ra7 c2 8.Ke5 a2
9.Rxa2 Rxh7
-+ (-3.63) Depth: 12 00:00:11 6630kN, tb=1319
1...a4 2.Kxe4 a3 3.Rc7+ Kb3 4.Rb7+ Kc2 5.Ra7 Kd2 6.Rd7+ Kc1 7.Ra7 c2 8.Kf5 a2
9.Rxa2 Rxh7
-+ (-3.79) Depth: 13 00:00:20 10956kN, tb=2916
1...a4
-+ (-4.69) Depth: 14 00:00:56 30781kN, tb=7384
1...a4 2.Rc7+ Kd3 3.Rd7+ Ke2 4.Rc7 e3 5.Rxc3 Rh4+ 6.Kg3 Rxh7 7.Rc2+ Kd3 8.Ra2
Rg7+ 9.Kf3 Rf7+ 10.Kg3 e2
-+ (-5.35) Depth: 14 00:01:35 54366kN, tb=10971
1...a4 2.Rc7+ Kd3 3.Rd7+ Kc2 4.Ra7 a3 5.Kxe4 Kd2 6.Rd7+ Ke2 7.Kf5 c2 8.Rc7 Kd2
9.Rd7+ Ke1 10.Re7+
-+ (-5.61) Depth: 15 00:02:22 81903kN, tb=19616
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)?
>
>/David
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