Author: Joachim Rang
Date: 15:44:06 07/14/04
Go up one level in this thread
On July 14, 2004 at 17:38:40, Mihaly Szalai wrote: >On July 14, 2004 at 16:40:28, John Merlino wrote: > >>On July 14, 2004 at 15:53:17, Mihaly Szalai wrote: >> >>>Here is the game but don't criticize it too much, I was in time trouble and >>>damn nearly managed to miss the win in the superior position. >>> >>>Mihaly >>> >>>[Event "15'+5"] >>>[Site "?"] >>>[Date "2004.06.20"] >>>[Round "?"] >>>[White "Misi"] >>>[Black "Chessmaster"] >>>[Result "1-0"] >>>[PlyCount "151"] >>>[EventDate "2004.??.??"] >>>[TimeControl "900+5"] >>> >>>1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Qb6 7. Nb3 e6 8. >>>Be3 Qc7 9. Qe2 a6 10. f4 b5 11. Bd3 Be7 12. g4 O-O 13. g5 Nd7 14. O-O Nc5 15. >>>Nxc5 dxc5 16. e5 Nb4 17. Bxh7+ Kxh7 18. Qh5+ Kg8 19. Rf3 g6 20. Qh4 f5 21. gxf6 >>>Bxf6 22. exf6 e5 23. a3 Nc6 24. Bxc5 Rd8 25. Ne4 Bf5 26. Ng5 Rd7 27. Re1 Rc8 >>>28. f7+ Rxf7 29. Nxf7 Qxf7 30. fxe5 Qd5 31. Rxf5 gxf5 32. Qg5+ Kh8 33. Qh6+ Kg8 >>>34. Bb6 Ne7 35. e6 f4 36. Qxf4 Qh5 37. Kh1 Qd5+ 38. Re4 Qf5 39. Qxf5 Nxf5 40. >>>e7 Re8 41. Bd8 Kf7 42. Kg2 Rh8 43. e8=Q+ Rxe8 44. Rxe8 Kxe8 45. Bb6 Kd7 46. c3 >>>Nd6 47. b3 Ne4 48. Bd4 Nd2 49. a4 Nxb3 50. axb5 Nxd4 51. bxa6 Nc6 52. h4 Ke6 >>>53. Kg3 Kf5 54. h5 Na7 55. h6 Kg6 56. Kf4 Kxh6 57. Ke5 Kg6 58. c4 Kg5 59. Kd5 >>>Kf6 60. Kd6 Kf7 61. Kc7 Ke6 62. Kb7 Kd7 63. Kxa7 Kc7 64. c5 Kc6 65. Kb8 Kxc5 >>>66. a7 Kd4 67. a8=Q Ke3 68. Kc7 Kf4 69. Kd6 Ke3 70. Ke5 Kd3 71. Qa4 Ke2 72. Qb3 >>>Kf1 73. Qc2 Kg1 74. Kf4 Kh1 75. Kg3 Kg1 76. Qc1# 1-0 >> >>Sorry that I missed your mention of 51.bxa6. It appears that you are correct >>about 50...Nxd4, but it looks like Chessmaster would have to get up to at least >>depth 25 from that position to see that it is a worse move than 50...axb5. On my >>AMD2500, this would likely take well over an hour. > >I found no engine with egtb probing playing 50...Nxd4. > >> Shredder 8 with EGTBs needs a long time (1m41s on Athlon XP 1540 MHz) to avoid 50...Nxd4: New game 8/3k4/p7/1P6/3B4/1nP5/6KP/8 b - - 0 1 Analysis by Shredder 8: 1...Nb3xd4 2.b5xa6 Nd4-b5 3.h2-h4 Kd7-e6 4.c3-c4 Nb5-c7 5.a6-a7 +- (2.22) Depth: 9/17 00:00:01 31kN, tb=702 1...a6xb5 2.Kg2-f3 Kd7-e6 3.Bd4-e3 Ke6-f6 4.Be3-d4+ Kf6-g6 5.h2-h3 Nb3xd4+ 6.c3xd4 +- (2.17) Depth: 9/17 00:00:02 37kN, tb=843 1...a6xb5 2.Bd4-e3 Nb3-a5 3.h2-h4 Na5-c4 4.Kg2-f3 Nc4-e5+ 5.Kf3-e4 Ne5-g6 +- (2.08) Depth: 9/17 00:00:03 43kN, tb=949 1...a6xb5 2.Bd4-e3 Kd7-c6 3.h2-h4 Nb3-a1 +- (2.34) Depth: 10/13 00:00:03 49kN, tb=1092 1...a6xb5 2.Bd4-e5 Kd7-e6 3.Kg2-f3 +- (2.34) Depth: 10/13 00:00:03 56kN, tb=1178 1...Nb3xd4 2.b5xa6 Nd4-b5 3.h2-h4 +- (2.33) Depth: 10/17 00:00:03 66kN, tb=1285 1...Nb3xd4 2.b5xa6 Nd4-b5 3.h2-h4 Kd7-e6 4.c3-c4 Nb5-c7 5.a6-a7 Ke6-f5 6.Kg2-f3 Kf5-g6 7.Kf3-e4 +- (2.01) Depth: 10/17 00:00:04 74kN, tb=1536 1...Nb3xd4 2.b5xa6 Nd4-c6 3.h2-h4 Kd7-e6 4.c3-c4 Ke6-f5 5.c4-c5 Kf5-g6 6.Kg2-h2 +- (1.76) Depth: 11/20 00:00:05 104kN, tb=2077 1...Nb3xd4 2.b5xa6 Nd4-c6 3.h2-h4 Kd7-c7 +- (1.76) Depth: 11/20 00:00:05 108kN, tb=2190 1...Nb3xd4 2.b5xa6 Nd4-c6 3.c3-c4 Kd7-d6 4.h2-h4 Kd6-c7 5.c4-c5 Kc7-b8 6.Kg2-f3 Nc6-e5+ 7.Kf3-e4 Ne5-g6 +- (1.91) Depth: 12/21 00:00:06 155kN, tb=2938 1...Nb3xd4 2.b5xa6 Nd4-c6 3.h2-h4 Kd7-c7 4.h4-h5 Nc6-e5 5.Kg2-g3 Kc7-b6 6.a6-a7 Kb6xa7 7.Kg3-f4 Ne5-f7 8.c3-c4 +- (1.74) Depth: 13/29 00:00:08 230kN, tb=3827 1...Nb3xd4 2.b5xa6 Nd4-c6 3.h2-h4 Kd7-e6 4.Kg2-f3 Ke6-f5 5.Kf3-g3 Kf5-g6 6.c3-c4 Kg6-f5 7.Kg3-f3 +- (1.89) Depth: 14/31 00:00:09 308kN, tb=5087 1...Nb3xd4 2.b5xa6 Nd4-c6 3.h2-h4 Kd7-e6 4.Kg2-f3 Ke6-f5 5.Kf3-g3 Kf5-g6 6.c3-c4 Kg6-f5 +- (1.89) Depth: 15/33 00:00:13 452kN, tb=7361 1...Nb3xd4 2.b5xa6 Nd4-c6 3.h2-h4 Kd7-e6 4.Kg2-f3 Ke6-f5 5.Kf3-g3 Kf5-g6 6.c3-c4 Kg6-f5 7.c4-c5 Kf5-g6 8.Kg3-g4 Nc6-e5+ 9.Kg4-f4 Ne5-d3+ 10.Kf4-e3 Nd3xc5 +- (2.01) Depth: 16/33 00:00:17 657kN, tb=11095 1...Nb3xd4 2.b5xa6 Nd4-c6 3.h2-h4 Kd7-e6 4.Kg2-f3 Ke6-f5 5.Kf3-g3 Kf5-g6 6.c3-c4 Kg6-f5 7.c4-c5 Kf5-g6 8.Kg3-g4 Nc6-e5+ 9.Kg4-f4 Ne5-d3+ 10.Kf4-e3 Nd3xc5 +- (2.01) Depth: 17/37 00:00:23 1312kN, tb=16573 1...Nb3xd4 2.b5xa6 Nd4-b5 3.h2-h4 Kd7-e6 4.c3-c4 Nb5-a7 5.h4-h5 Ke6-f5 6.Kg2-f3 Kf5-g5 7.Kf3-e4 Na7-c6 8.c4-c5 Nc6-e5 9.Ke4xe5 Kg5-h6 10.a6-a7 Kh6-g5 +- (2.12) Depth: 18/34 00:00:36 1851kN, tb=35595 1...Nb3xd4 2.b5xa6 Nd4-b5 3.h2-h4 Kd7-e6 4.Kg2-f3 Ke6-f5 5.Kf3-e3 Nb5-c7 6.a6-a7 Kf5-g6 7.h4-h5+ Kg6xh5 +- (2.02) Depth: 19/36 00:00:51 2417kN, tb=52538 1...Nb3xd4 2.b5xa6 Nd4-b5 3.h2-h4 Kd7-e6 4.Kg2-f3 Ke6-f5 5.Kf3-e3 Nb5-c7 6.a6-a7 Kf5-g4 7.c3-c4 Nc7-a8 8.Ke3-d4 Na8-c7 9.h4-h5 Kg4-g5 10.Kd4-e5 Kg5-h4 +- (2.16) Depth: 20/36 00:01:09 3213kN, tb=78371 1...a6xb5 2.Bd4-e3 Kd7-e6 3.h2-h4 Nb3-a5 4.h4-h5 Na5-c6 5.Kg2-f2 +- (2.15) Depth: 20/36 00:01:41 4834kN, tb=114492 1...a6xb5 2.Bd4-e3 Nb3-a5 3.Kg2-f3 Na5-c6 4.Kf3-e4 b5-b4 5.c3-c4 Nc6-a5 6.Ke4-d5 Na5-b7 7.h2-h4 Kd7-c7 +- (2.14) Depth: 20/36 00:01:55 5891kN, tb=135304 1...a6xb5 2.Bd4-e3 Kd7-e6 3.Kg2-f3 Ke6-f5 4.h2-h4 Nb3-a5 5.h4-h5 Na5-c6 6.Kf3-e2 Nc6-e5 7.Ke2-d2 Ne5-c6 8.Kd2-c2 Nc6-e5 9.Be3-d2 Ne5-f7 10.Kc2-d3 Nf7-e5+ +- (1.98) Depth: 21/35 00:02:48 10208kN, tb=227994 ohne EGTBs bleibt Shredder 8 "ewig" (10 min auf Athlon XP 1540 MHz) auf Nxd4 hängen: New game 8/3k4/p7/1P6/3B4/1nP5/6KP/8 b - - 0 1 Analysis by Shredder 8: 1...Nb3xd4 2.b5xa6 Nd4-c6 3.Kg2-f3 Kd7-c7 4.h2-h4 Kc7-b6 5.h4-h5 Kb6xa6 6.Kf3-f4 Nc6-e7 7.c3-c4 Ka6-b6 8.Kf4-g5 Ne7-g8 9.Kg5-g6 Ng8-e7+ 10.Kg6-f6 +- (1.72) Depth: 18/39 00:00:05 2235kN 1...Nb3xd4 2.b5xa6 Nd4-c6 3.Kg2-f3 Kd7-c7 4.Kf3-f4 Kc7-b6 5.h2-h4 Nc6-b8 6.Kf4-f5 Nb8-d7 7.Kf5-g6 Nd7-e5+ 8.Kg6-f6 Ne5-f7 9.Kf6xf7 +- (1.84) Depth: 19/41 00:00:08 3448kN 1...Nb3xd4 2.b5xa6 Nd4-c6 3.Kg2-f3 Kd7-c7 4.Kf3-f4 Kc7-b6 5.h2-h4 Kb6xa6 6.c3-c4 Ka6-b6 7.h4-h5 Nc6-d8 8.c4-c5+ Kb6xc5 9.h5-h6 +- (1.59) Depth: 20/43 00:00:17 7663kN 1...Nb3xd4 2.b5xa6 Nd4-c6 3.Kg2-f3 Kd7-c7 4.Kf3-f4 Kc7-b6 5.h2-h4 Kb6xa6 6.h4-h5 Ka6-b5 7.Kf4-f5 Nc6-e7+ 8.Kf5-e6 Ne7-g8 9.Ke6-f7 Ng8-h6+ 10.Kf7-g6 Nh6-g4 11.c3-c4+ +- (1.59) Depth: 20/43 00:00:18 7792kN 1...Nb3xd4 2.b5xa6 Nd4-c6 3.Kg2-f3 Kd7-c7 4.h2-h4 Kc7-b6 5.h4-h5 Kb6-c7 6.Kf3-f4 Kc7-b6 +- (1.84) Depth: 21/27 00:00:20 8852kN 1...Nb3xd4 2.b5xa6 Nd4-c6 3.Kg2-f3 Kd7-c7 4.h2-h4 Kc7-b6 5.h4-h5 Kb6xa6 6.Kf3-f4 Nc6-d8 7.Kf4-f5 Nd8-f7 8.Kf5-g6 Nf7-e5+ 9.Kg6-f5 Ka6-b6 10.Kf5xe5 Kb6-c6 +- (1.85) Depth: 21/45 00:00:25 10837kN 1...Nb3xd4 2.b5xa6 Nd4-c6 3.h2-h4 Kd7-c7 4.h4-h5 Kc7-b6 5.Kg2-f3 Kb6xa6 6.Kf3-f4 Nc6-d8 7.Kf4-f5 Nd8-f7 8.Kf5-g6 Nf7-e5+ 9.Kg6-f6 Ne5-g4+ 10.Kf6-g5 Ng4-e5 11.Kg5-f5 Ka6-b6 12.Kf5xe5 Kb6-c6 +- (1.85) Depth: 22/47 00:00:37 15470kN 1...Nb3xd4 2.b5xa6 Nd4-c6 3.h2-h4 Kd7-c7 4.h4-h5 Kc7-b6 5.Kg2-f3 Nc6-e5+ 6.Kf3-f4 Ne5-f7 7.Kf4-f5 Kb6xa6 8.Kf5-g6 Nf7-e5+ 9.Kg6-f6 Ne5-g4+ 10.Kf6-g5 Ng4-e5 11.Kg5-f5 Ne5-f7 12.Kf5-g6 Nf7-e5+ 13.Kg6-f6 Ne5-g4+ 14.Kf6-g5 Ng4-e5 15.Kg5-f5 Ne5-f7 +- (1.85) Depth: 23/49 00:00:55 22908kN 1...Nb3xd4 2.b5xa6 Nd4-c6 3.h2-h4 Kd7-e6 4.Kg2-f3 Ke6-f5 5.Kf3-g3 Kf5-g6 6.c3-c4 Kg6-f5 7.c4-c5 Kf5-e5 8.h4-h5 Ke5-f5 9.Kg3-h4 Kf5-e6 10.h5-h6 Ke6-d5 11.Kh4-h5 Nc6-b8 12.h6-h7 Kd5xc5 +- (2.09) Depth: 24/51 00:01:29 36703kN 1...Nb3xd4 2.b5xa6 Nd4-c6 3.h2-h4 Kd7-e6 4.Kg2-f3 Ke6-f5 5.Kf3-g3 Kf5-g6 6.c3-c4 Kg6-f5 7.c4-c5 Kf5-g6 8.Kg3-g4 Nc6-e5+ 9.Kg4-f4 Ne5-c6 10.Kf4-e4 Kg6-h5 +- (2.05) Depth: 25/53 00:03:36 94303kN 1...Nb3xd4 2.b5xa6 Nd4-b5 3.h2-h4 Kd7-e6 4.Kg2-f3 Ke6-f5 5.Kf3-e3 Nb5-c7 6.a6-a7 Kf5-g4 7.Ke3-d3 Kg4-h5 8.Kd3-c4 Nc7-a8 9.Kc4-c5 Kh5-g6 10.h4-h5+ Kg6-g5 11.Kc5-c6 Kg5-f5 +- (2.28) Depth: 26/55 00:06:57 184971kN Gruß Joachim >>And it sure doesn't look like you made any mistakes that would cause me to >>criticize. The only moves that The King disagrees with on analysis are 54.h5 and >>55.h6, in both cases preferring Kf3. But I doubt that made any difference. >> > >I thought of earlier doubious moves eg. why I queened the pawn in move 43, >and these 46.c3 47.b3 49.a4 pawn moves are really a shame... and ruined my >position so I'm sure that I wouldn't be able to win after 50...axb5. > >Best >Mihaly > >>jm
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