Author: Vasik Rajlich
Date: 05:03:01 01/19/06
Go up one level in this thread
On January 18, 2006 at 15:12:51, Uri Blass wrote:
>This is a game when GM E.Bacrot resigned against Galfand
>
>I decided to continue the final position that white resigned against rybka and
>could draw the game by the 50 move rule.
>
>Maybe Rybka can play better at faster time control but I think that a top
>program in game with increasement should not allow me to draw.
>
>lack of knowledge that black should force white to trade rooks is part of the
>problem but not all the problem.
>
>There is certianly a bug in the search
>
>Rybka with clear hash does not see the draw by the 50 move rule at move 109(for
>comparison glaurung has no problem to see the draw)
>
>
>,a - Rybka 1.01 Beta 10d 32-bit, Corus Wijk aan Zee 2006
>5R2/8/8/6k1/8/6P1/rr3PK1/8 b - - 0 1
>
>Analysis by Rybka 1.01 Beta 10d 32-bit:
>
>109...Kg6
> -+ (-5.31) Depth: 3 00:00:00
>109...Kg6
> -+ (-5.16) Depth: 4 00:00:00
>109...Kg6 110.g4
> -+ (-5.15) Depth: 5 00:00:00
>109...Kg6 110.g4 Re2
> -+ (-4.98) Depth: 6 00:00:00 7kN
>109...Kg6 110.Kh3 Kg7 111.Rd8
> -+ (-3.91) Depth: 7 00:00:00 18kN
>109...Ra6 110.Rg8+ Rg6 111.Rxg6+ Kxg6 112.Kf3 Ra2
> -+ (-4.54) Depth: 7 00:00:00 22kN
>109...Ra6 110.Kh3 Rg6 111.f4+ Kh6 112.f5
> -+ (-4.12) Depth: 8 00:00:00 59kN
>109...Ra6 110.Kh3 Rg6 111.f4+ Kh5 112.g4+ Kh6 113.g5+ Kg7
> -+ (-3.97) Depth: 9 00:00:00 74kN
>109...Ra6 110.Kh3 Rg6 111.f4+ Kh6 112.f5 Kg7 113.Rd8
> -+ (-3.91) Depth: 10 00:00:00 100kN
>109...Ra6 110.Kh3 Rg6 111.f4+ Kh6 112.f5 Kg7 113.Rd8 Rc6
> -+ (-3.91) Depth: 11 00:00:01 119kN
>109...Ra6 110.Kh3 Rg6 111.f4+ Kh6 112.f5 Kg7 113.Rd8 Rf6 114.Kg4
> -+ (-3.91) Depth: 12 00:00:02 199kN
>109...Ra6 110.Kh3 Rg6 111.f4+ Kh6 112.f5 Kg7 113.Rd8 Rf6 114.Kg4 Rb5
> -+ (-3.91) Depth: 13 00:00:03 301kN
>109...Ra6 110.Kh3 Rg6 111.f4+ Kh6 112.f5 Kg7 113.Rd8 Rf6 114.Kg4 Rb5 115.Rc8
> -+ (-3.91) Depth: 14 00:00:04 456kN
>109...Ra6 110.Kh3 Rg6 111.f4+ Kh6 112.f5 Kg7 113.Rd8 Rf6 114.Kg4 Rb5 115.Rc8
>Rfxf5
> -+ (-3.91) Depth: 15 00:00:04 885kN
>109...Ra6 110.Kh3 Rg6 111.f4+ Kh6 112.f5 Kg7 113.Rd8 Rf6 114.Kg4 Rb5 115.Rc8
>Rfxf5 116.Kh4
> -+ (-3.91) Depth: 16 00:00:08 1729kN
>109...Ra6 110.Kh3 Rg6 111.Rc8 Rxf2 112.Rc5+ Kf6 113.Rc8 Ra2 114.Rc6+ Kg7
>115.Rc7+ Kh6 116.Rc3
> -+ (-3.91) Depth: 17 00:00:27 5958kN
>109...Kg6 110.Kh3 Rxf2 111.Rg8+ Kh7 112.Rg5 Rh2+ 113.Kg4 Ra4+ 114.Kf3 Ra3+
>115.Kf4 Rh6 116.Kf5
> -+ (-4.43) Depth: 17 00:00:41 9349kN
>
>(, 18.01.2006)
>
>,a - Rybka 1.01 Beta 10d 32-bit, Corus Wijk aan Zee 2006
>5R2/8/8/6k1/8/6P1/rr3PK1/8 b - - 0 1
>
>Analysis by Glaurung 1.0.1:
>
>109...Kg4 110.Rg8+ Kh5 111.Rh8+ Kg6
> = (0.00) Depth: 2/7 00:00:00
>109...Rb6 110.Rg8+ Rg6 111.Rxg6+ Kxg6
> -+ (-1.78) Depth: 2/7 00:00:00
>109...Rb6 110.Rg8+ Rg6 111.Rxg6+ Kxg6
> -+ (-1.78) Depth: 3/7 00:00:00
>109...Kg6 110.Rf4 Kg5
> -+ (-2.01) Depth: 3/7 00:00:00
>109...Kg6 110.Rf4 Kg5 111.Rf8
> = (0.00) Depth: 4/8 00:00:00
>109...Kg6 110.Rf4 Kg5 111.Rf8
> = (0.00) Depth: 5/9 00:00:01
>109...Kg6 110.Rf4 Kg5 111.Rf8
> = (0.00) Depth: 6/10 00:00:01 3kN
>109...Kg6 110.Rf4 Kg5 111.Rf8
> = (0.00) Depth: 7/12 00:00:01 4kN
>109...Kg6 110.Rf4 Kg5 111.Rf8
> = (0.00) Depth: 8/13 00:00:01 6kN
>109...Kg6 110.Rf4 Kg5 111.Rf8
> = (0.00) Depth: 9/13 00:00:01 9kN
>109...Kg6 110.Rf4 Kg5 111.Rf8
> = (0.00) Depth: 10/16 00:00:01 13kN
>109...Kg6 110.Rf4 Kg5 111.Rf8
> = (0.00) Depth: 11/17 00:00:01 19kN
>109...Kg6 110.Rf4 Kg5 111.Rf8
> = (0.00) Depth: 12/19 00:00:01 30kN
>109...Kg6 110.Rf4 Kg5 111.Rf8
> = (0.00) Depth: 13/19 00:00:01 47kN
>109...Kg6 110.Rf4 Kg5 111.Rf8
> = (0.00) Depth: 14/21 00:00:01 74kN
>109...Kg6 110.Rf4 Kg5 111.Rf8
> = (0.00) Depth: 15/23 00:00:02 108kN
>109...Kg6 110.Rf4 Kg5 111.Rf8
> = (0.00) Depth: 16/25 00:00:02 164kN
>109...Kg6 110.Rf4 Kg5 111.Rf8
> = (0.00) Depth: 17/28 00:00:02 241kN
>109...Kg6 110.Rf4 Kg5 111.Rf8
> = (0.00) Depth: 18/29 00:00:02 358kN
>
>(, 18.01.2006)
>
>[Event "Corus Wijk aan Zee"]
>[Site "Wijk aan Zee NED"]
>[Date "2006.01.17"]
>[EventDate "2006.01.14"]
>[Round "4"]
>[Result "0-1"]
>[White "E Bacrot"]
>[Black "B Gelfand"]
>[ECO "D17"]
>[WhiteElo "2717"]
>[BlackElo "2723"]
>[PlyCount "122"]
>
>1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7
>8. g3 e5 9. dxe5 Nxe5 10. Bf4 Nfd7 11. Bg2 f6 12. O-O Nc5 13. Ne3 Bg6 14.
>b4 Ne6 15. b5 Rd8 16. Qb3 Nd4 17. Qb2 Bc5 18. Rfc1 Qe7 19. bxc6 bxc6 20.
>Ne4 Bb4 21. Nc4 Nxc4 22. Rxc4 c5 23. e3 Ne6 24. Nc3 Nxf4 25. Bc6+ Kf8 26.
>Rxf4 Qe5 27. Rc1 a5 28. Bb5 Ke7 29. Qb3 Rd2 30. e4 Rhd8 31. Nd5+ Kf8 32.
>Qf3 Rd4 33. Rc4 Bd2 34. Rxc5 Bxf4 35. Nxf4 Qxe4 36. Bc6 Qxf3 37. Bxf3 Bf7
>38. Rxa5 g5 39. Ne2 Rc4 40. h3 Rd1+ 41. Kg2 Ra1 42. Ra8+ Kg7 43. a5 Rca4
>44. Rd8 Rxa5 45. Nd4 f5 46. Rd7 Kf6 47. Rd6+ Ke5 48. Rd8 Rc5 49. Nc6+ Ke6
>50. Rh8 Kf6 51. Rxh7 g4 52. hxg4 fxg4 53. Be4 Re1 54. Nd8 Bd5 55. Rh6+ Ke7
>56. Bxd5 Rxd5 57. Nc6+ Kd7 58. Rg6 Rdd1 59. Nb8+ Kc8 60. Rg8+ Kb7 61. Rxg4
>Kxb8 0-1
>
>
>
>[Event "Corus Wijk aan Zee"]
>[Site "Wijk aan Zee NED"]
>[Date "2006.01.17"]
>[Round "4"]
>[White "agur"]
>[Black "Rybka 1.01 Beta 10d 32-bit"]
>[Result "0-1"]
>[ECO "D17"]
>[WhiteElo "2717"]
>[BlackElo "2723"]
>[PlyCount "222"]
>[EventDate "2006.01.14"]
>
>1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8.
>g3 e5 9. dxe5 Nxe5 10. Bf4 Nfd7 11. Bg2 f6 12. O-O Nc5 13. Ne3 Bg6 14. b4 Ne6
>15. b5 Rd8 16. Qb3 Nd4 17. Qb2 Bc5 18. Rfc1 Qe7 19. bxc6 bxc6 20. Ne4 Bb4 21.
>Nc4 Nxc4 22. Rxc4 c5 23. e3 Ne6 24. Nc3 Nxf4 25. Bc6+ Kf8 26. Rxf4 Qe5 27. Rc1
>a5 28. Bb5 Ke7 29. Qb3 Rd2 30. e4 Rhd8 31. Nd5+ Kf8 32. Qf3 Rd4 33. Rc4 Bd2 34.
>Rxc5 Bxf4 35. Nxf4 Qxe4 36. Bc6 Qxf3 37. Bxf3 Bf7 38. Rxa5 g5 39. Ne2 Rc4 40.
>h3 Rd1+ 41. Kg2 Ra1 42. Ra8+ Kg7 43. a5 Rca4 44. Rd8 Rxa5 45. Nd4 f5 46. Rd7
>Kf6 47. Rd6+ Ke5 48. Rd8 Rc5 49. Nc6+ Ke6 50. Rh8 Kf6 51. Rxh7 g4 52. hxg4 fxg4
>53. Be4 Re1 54. Nd8 Bd5 55. Rh6+ Ke7 56. Bxd5 Rxd5 57. Nc6+ Kd7 58. Rg6 Rdd1
>59. Nb8+ Kc8 60. Rg8+ Kb7 61. Rxg4 Kxb8 62. Rg7 {0} Kc8 {-3.92/11 4} 63. Rf7 {5
>} Rd7 {-4.18/11 4} 64. Rf8+ {2} Rd8 {-4.00/14 8} 65. Rf7 {1} Rc1 {-3.97/13 3}
>66. Kf3 {7} Rc7 {-4.37/12 8} 67. Rf4 {4} Rc3+ {-4.42/11 6} 68. Kg2 {2} Rcd3 {
>-4.09/13 9} 69. Rf7 {2} R8d7 {-4.14/14 4} 70. Rf6 {1} R7d6 {-4.32/13 4} 71. Rf7
>{1} Kd8 {-4.37/14 2} 72. Kg1 {3} Ke8 {-4.48/13 6} 73. Rf5 {4} Ke7 {-4.56/11 3}
>74. Kg2 {2} Rf6 {-4.51/11 3} 75. Re5+ {1} Kf7 {-4.46/11 3} 76. Re2 {1} Rc6 {
>-4.64/11 6} 77. Rb2 {1} Kf6 {-4.65/10 5} 78. Re2 {1} Rc5 {-4.72/11 5} 79. Rb2 {
>1} Kg5 {-4.72/10 4} 80. Re2 {5} Rb3 {-4.72/10 5} 81. Rd2 {2} Rcb5 {-4.73/9 3}
>82. Rd4 {6} Rb1 {-4.72/10 4} 83. Rf4 {1} R1b4 {-4.90/9 3} 84. Rf8 {2} Rb8 {
>-5.04/11 0} 85. Rf7 {1} R4b7 {-4.95/10 0} 86. Rf4 {1} Rb2 {-4.94/10 1} 87. Rf7
>{3} Rc8 {-4.78/10 6} 88. Rf4 {4} Rcc2 {-4.94/9 3} 89. Rf8 {1} Rb1 {-4.67/10 2}
>90. Rf7 {3} Kg6 {-4.84/9 2} 91. Rf8 {1} Kg7 {-4.73/10 4} 92. Rf5 {2} Rc3 {
>-4.62/10 3} 93. Rf4 {2} Rb2 {-4.70/10 2} 94. Rf5 {2} Kg6 {-4.72/11 3} 95. Rf8 {
>2} Ra3 {-4.61/11 10} 96. Rf4 {6} Re2 {-4.72/10 2} 97. Rf8 {2} Kg7 {-4.72/10 1}
>98. Rf5 {1} Rb3 {-4.72/9 1} 99. Rf4 {2} Rbb2 {-4.61/10 2} 100. Rf5 {1} Kg6 {
>-4.63/11 3} 101. Rf8 {1} Rb1 {-4.64/10 2} 102. Rf4 {2} Kg5 {-4.82/9 1} 103. Rf8
>{1} Reb2 {-4.64/9 1} 104. Rf7 {2} Rb7 {-4.91/9 1} 105. Rf8 {4} Rb8 {-4.72/11 0}
>106. Rf7 {1} Ra1 {-4.72/10 1} 107. Rf4 {3} Ra2 {-4.89/8 1} 108. Rf7 {2} Rbb2 {
>-4.78/9 1} 109. Rf8 {2} Kg6 {-3.91/11 1} 110. Rf4 {2} Rb8 {0.00/10 1} 111. Rf3
>{2} Kg5 {0.00/22 1} 0-1
Uri,
I already replied to you via email, but for everybody else: this is now fixed in
the upcoming Beta 11 (due later today).
Vas
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