Author: Uri Blass
Date: 13:48:15 05/13/03
Go up one level in this thread
On May 13, 2003 at 16:24:11, Uri Blass wrote:
>On May 13, 2003 at 15:57:52, Jaime Benito de Valle Ruiz wrote:
>
>>On May 13, 2003 at 15:18:22, Martin Giepmans wrote:
>>
>>>
>>>From a game Ruffian - SpiderChess
>>>
>>>[D]8/7p/p2k4/1p4p1/4K1P1/P6P/8/8 b - - 0 50
>>>
>>>
>>>
>>>In this position SpiderChess played 50 .. Kc5? (it should have played
>>>Ke6 Kd4 a5 -+) and thought it was winning.
>>>
>>>The game continued:
>>>51. Kf5 Kc4 52. Kxg5 Kb3 53. Kh6 Kxa3 54. Kxh7 b4 55. h4 b3 56. g5 b2
>>>57. h5 b1=Q+ 58. g6 Qe4 59. h6 a5 60. Kg7 Qe7+ 61. Kh8 Qf8+ 62. Kh7 Qf5 63.
>>>Kg7 Kb3 64. h7 Qe5+ 65. Kg8 Qe8+ 66. Kg7 Qe7+ 67. Kg8 Qd8+ 68. Kg7 Qc7+ 69.
>>>Kg8 Qc8+ 70. Kg7 Qc3+ 71. Kg8 Qc4+ 72. Kg7 Qd4+ 73. Kg8 Qd5+ 74. Kg7 Qb7+
>>>75. Kg8 Qa8+ 76. Kg7 Qa7+ 77. Kg8 Qb6 78. Kg7 Kc2 79. h8=Q Qd4+ 80. Kg8
>>>Qd5+ 81. Kh7 Qh5+ 82. Kg7 Qe5+ 83. Kh7 Qh5+ 84. Kg7 Qe5+ 85. Kh7 Qh2+ 86.
>>>Kg8 Qb8+ 87. Kh7 Qh2+ 88. Kg7 Qc7+ 89. Kh6 Qf4+ 90. Kh7 Qh4+ 91. Kg7 Qe7+
>>>92. Kh6 Qe3+ 93. Kh7 Qh3+ 94. Kg8 Qb3+ 95. Kf8 Qb8+ 96. Kg7 Qb7+ 97. Kh6
>>>Qh1+ 98. Kg7 Qb7+ 99. Kh6 Qh1+ 100. Kg7 Qb7+ 101. Kh6 Qh1+ 102. Kg7 Qb7+
>>>{Drawn by repetition} 1/2-1/2.
>>>
>>>How do other engines fare?
>>>
>>>Martin
>>
>>I don't see any draw anywhere. Black will easily win even after Kc5!
>>
>>Anyway, Fritz 8 for example, gives a score of more than 8 pawns to black from
>>the beginning; that's more than enough for me.
>
>Not for me.
>There are positions when a score of more than +8 pawns means a draw.
>
>>After move 63...., Kb3, Fritz's score drops 6 pawns!!!! (that's what I call a
>>bad move). Once White makes h7, the situation gets too close to a draw, although
>>I haven't analysed it yet.
>
>And how do you prevent h7 or g7?
>
>You can give a lot of checks but I do not see how do they help
>
>White only needs to be careful not to put both pawns at h7,g7 and lose because
>of zugzwang.
>
>Shredder see a score of more than +10 but cannot do a progress against me.
>
>[Event "Blitz:25'"]
>[Site "eim"]
>[Date "????.??.??"]
>[Round "?"]
>[White "w"]
>[Black "Shredder 7.04"]
>[Result "*"]
>[SetUp "1"]
>[FEN "8/7p/p2k4/1p4p1/4K1P1/P6P/8/8 b - - 0 1"]
>[PlyCount "47"]
>[TimeControl "1500"]
>
>1... Kc5 2. Kf5 Kc4 3. Kxg5 Kb3 4. Kh6 Kxa3 5. Kxh7 b4 6. h4 b3 7. g5 b2 8. h5
>b1=Q+ 9. g6 Qe4 10. h6 a5 11. Kg7 Qe7+ 12. Kh8 Qf8+ 13. Kh7 Qf5 14. Kg7 Qd7+ {
>[%emt 0:00:26]} 15. Kg8 {[%emt 0:00:03]} Qc8+ {[%emt 0:00:34]} 16. Kg7 {
>[%emt 0:00:31]} Qc3+ {[%emt 0:00:06]} 17. Kh7 {[%emt 0:00:39]} Kb4 {
>[%emt 0:00:00]} 18. g7 {[%emt 0:00:02]} Qc7 {[%emt 0:01:04]} 19. Kh8 {
>[%emt 0:00:03]} Qf4 {[%emt 0:01:03]} 20. Kh7 {[%emt 0:00:11]} Qf5+ {
>[%emt 0:00:49]} 21. Kh8 {[%emt 0:00:05]} Qe5 {[%emt 0:00:53]} 22. Kh7 {
>[%emt 0:00:09]} Qc7 {[%emt 0:00:46]} 23. Kh8 {[%emt 0:00:41]} Qd6 {
>[%emt 0:00:54]} 24. Kh7 {[%emt 0:00:09]} Qe7 {[%emt 0:00:42]} *
>
>
>
>Uri
The game was finished in a draw.
I admit that I looked at the analysis of shredder during the game but
the point of the game was not to check if I can draw with shredder but to check
if the move that was described as bad move was really bad.
[Event "Blitz:25'"]
[Site "eim"]
[Date "????.??.??"]
[Round "?"]
[White "w"]
[Black "Shredder 7.04"]
[Result "1/2-1/2"]
[SetUp "1"]
[FEN "8/7p/p2k4/1p4p1/4K1P1/P6P/8/8 b - - 0 1"]
[PlyCount "128"]
[TimeControl "1500"]
1... Kc5 2. Kf5 Kc4 3. Kxg5 Kb3 4. Kh6 Kxa3 5. Kxh7 b4 6. h4 b3 7. g5 b2 8. h5
b1=Q+ 9. g6 Qe4 10. h6 a5 11. Kg7 Qe7+ 12. Kh8 Qf8+ 13. Kh7 Qf5 14. Kg7 Qd7+ {
[%emt 0:00:26]} 15. Kg8 {[%emt 0:00:03]} Qc8+ {[%emt 0:00:34]} 16. Kg7 {
[%emt 0:00:31]} Qc3+ {[%emt 0:00:06]} 17. Kh7 {[%emt 0:00:39]} Kb4 {
[%emt 0:00:00]} 18. g7 {[%emt 0:00:02]} Qc7 {[%emt 0:01:04]} 19. Kh8 {
[%emt 0:00:03]} Qf4 {[%emt 0:01:03]} 20. Kh7 {[%emt 0:00:11]} Qf5+ {
[%emt 0:00:49]} 21. Kh8 {[%emt 0:00:05]} Qe5 {[%emt 0:00:53]} 22. Kh7 {
[%emt 0:00:09]} Qc7 {[%emt 0:00:46]} 23. Kh8 {[%emt 0:00:41]} Qd6 {
[%emt 0:00:54]} 24. Kh7 {[%emt 0:00:09]} Qe7 {[%emt 0:00:42]} 25. Kh8 {
[%emt 0:01:16]} Qf6 {[%emt 0:02:48]} 26. Kh7 {[%emt 0:00:43]} Qf5+ {
[%emt 0:00:00]} 27. Kh8 {[%emt 0:00:07]} Qe5 {[%emt 0:00:13]} 28. Kh7 {
[%emt 0:00:03]} Qe7 {[%emt 0:00:44]} 29. Kh8 {[%emt 0:00:03]} Qd6 {
[%emt 0:00:14]} 30. Kh7 {[%emt 0:00:04]} Qd3+ {[%emt 0:00:18]} 31. Kh8 {
[%emt 0:00:04]} Qg6 {[%emt 0:00:03]} 32. h7 {[%emt 0:00:20]} Qf6 {
[%emt 0:00:00]} 33. Kg8 {[%emt 0:00:01]} Qe6+ {[%emt 0:00:12]} 34. Kf8 {
[%emt 0:00:07]} Qf6+ {[%emt 0:00:30]} 35. Kg8 {[%emt 0:00:04]} Qd8+ {
[%emt 0:06:28]} 36. Kf7 {[%emt 0:00:09]} Qd7+ {[%emt 0:00:00]} 37. Kf8 {
[%emt 0:00:12]} Qf5+ {[%emt 0:00:00]} 38. Kg8 {[%emt 0:00:03]} Qe6+ {
[%emt 0:00:04]} 39. Kf8 {[%emt 0:00:03]} Qf5+ {[%emt 0:00:06]} 40. Kg8 {
[%emt 0:00:02]} Qc8+ {[%emt 0:00:08]} 41. Kf7 {[%emt 0:00:04]} Qc7+ {
[%emt 0:00:03]} 42. Kf8 {[%emt 0:00:05]} Qc5+ {[%emt 0:00:02]} 43. Kg8 {
[%emt 0:00:04]} Qc8+ {[%emt 0:00:05]} 44. Kf7 {[%emt 0:00:03]} Qc4+ {
[%emt 0:00:15]} 45. Kf8 {[%emt 0:00:06]} Qc5+ {[%emt 0:00:11]} 46. Kg8 {
[%emt 0:00:03]} Qc4+ {[%emt 0:00:03]} 47. Kf8 {[%emt 0:00:25]} Qf4+ {
[%emt 0:00:00]} 48. Kg8 {[%emt 0:00:02]} Qb8+ {[%emt 0:00:05]} 49. Kf7 {
[%emt 0:00:01]} Qb7+ {[%emt 0:00:15]} 50. Kg8 {[%emt 0:00:07]} Qd5+ {
[%emt 0:00:06]} 51. Kf8 {[%emt 0:00:03]} Qd6+ {[%emt 0:01:09]} 52. Kf7 {
[%emt 0:00:02]} Qd5+ {[%emt 0:00:05]} 53. Kf8 {[%emt 0:00:02]} Qd8+ {
[%emt 0:00:03]} 54. Kf7 {[%emt 0:00:01]} Qc7+ {[%emt 0:00:15]} 55. Kf8 {
[%emt 0:00:05]} Qf4+ {[%emt 0:00:01]} 56. Kg8 {[%emt 0:00:05]} Kc5 {
[%emt 0:00:01]} 57. h8=Q {[%emt 0:00:07]} Qc4+ {[%emt 0:00:00]} 58. Kf8 {
[%emt 0:00:05]} Qf4+ {[%emt 0:00:01]} 59. Kg8 {[%emt 0:00:22]} Qb8+ {
[%emt 0:00:00]} 60. Kh7 {[%emt 0:00:04]} Qb1+ {[%emt 0:00:02]} 61. Kh6 {
[%emt 0:00:03]} Qh1+ {[%emt 0:00:03]} 62. Kg5 {[%emt 0:00:03]} Qg2+ {
[%emt 0:00:03]} 63. Kf5 {[%emt 0:00:02]} Qf3+ {[%emt 0:00:09]} 64. Kg5 {
[%emt 0:00:03]} Qg2+ {[%emt 0:00:01]} 65. Kf6 {[%emt 0:00:04]} 1/2-1/2
Uri
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.