Author: Eduard Nemeth
Date: 21:09:48 08/20/02
Go up one level in this thread
On August 20, 2002 at 22:57:31, Telmo Escobar wrote: >On August 20, 2002 at 22:29:44, Eduard Nemeth wrote: > >>Here played two player with an Elo about 2500: >> >> >>[Event "17th Open Avoine FRA"] >>[Site "?"] >>[Date "2002.??.??"] >>[Round "?"] >>[White "Dumitrache,D"] >>[Black "Smetankin,S"] >>[WhiteElo "2500"] >>[BlackElo "2455"] >>[ECO "A65"] >>[Result "0-1"] >> >>1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 >>7. Bd3 Bg7 8. Nge2 O-O 9. O-O a6 10. a4 Nbd7 11. h3 Re8 >>12. Ng3 h5 13. Bg5 Qc7 14. Rc1 Nh7 15. Be3 h4 16. Nge2 Ne5 >>17. b4 b6 18. a5 Nxd3 19. Qxd3 c4 20. Qc2 bxa5 21. Qa4 Nf6 >>22. Qxa5 Qxa5 23. bxa5 Nxe4 24. Na4 c3 25. Rfd1 Bd7 26. Nb6 >>Ra7 27. Bd4 Bh6 28. Rc2 Bb5 29. Nxc3 Nxc3 30. Rxc3 Rae7 >>31. Rc8 Bg5 32. Bb2 Kh7 33. Rxe8 Rxe8 34. Bc1 Kh6 35. Bxg5+ >>Kxg5 36. Rc1 Re4 37. Rc7 f6 38. Kh2 f5 39. f3 Re2 40. Nc8 >>Rd2 41. Nxd6 Rxd5 42. Nxb5 Rxb5 43. Rc6 Rxa5 44. f4+ Kh6 >>45. Kg1 Ra2 46. Rc7 a5 47. Ra7 a4 48. Kf1 a3 49. Kg1 Ra1+ >>50. Kf2 a2 51. Ra8 Kg7 52. Ra7+ Kf6 53. Ra6+ Ke7 54. Ra7+ >>Kd6 55. Ra5 Kc6 56. Ra8 Kd5 57. Ra4 Kc5 58. Ra7 Kc4 59. Ra8 >>Kb3 60. Rb8+ Kc3 61. Rc8+ Kd3 62. Ra8 Rc1 63. Rxa2 Rc2+ >>64. Rxc2 Kxc2 65. Ke2 Kc3 66. Ke3 Kc4 67. g3 (67. Kf3 Kd3 >>68. Kf2 (68. g3 Kd2 69. Kf2 Kd1 $1 70. Kf3 Ke1 $19) >>68... Kd2 69. Kf3 Ke1 70. g3 hxg3 71. Kg2 Ke2 72. Kxg3 >>Kf1 $19) (67. Ke2 Kd4 68. g3 Ke4 69. Kf2 Kd3 70. Kf3 Kd2 >>71. Kf2 Kd1 $19) 67... Kc3 68. gxh4 (68. Ke2 Kd4 69. Kf3 >>Kd3 $19) 68... Kc4 69. Ke2 Kd4 70. Kd2 Ke4 71. Ke2 Kxf4 >>72. Kf2 Ke4 73. Ke2 f4 74. Kf2 f3 75. Ke1 Kf5 76. Kf1 Ke5 >>77. h5 gxh5 78. h4 Kf4 79. Kf2 Kg4 0-1 >> >>In this game (with my comments) won black with the nice move 62...Rc1! >>In my comments you can see, that black can win the pawn-ending, allways! >> >>But after an moves "only" with his king, black cannot win! >> >>How many time your program needs, to see that Rc1 this game win? >> >>Here this position after move 62, white: >> >>[D]R7/8/6p1/5p2/5P1p/3k3P/p4KP1/r7 b - - >> >>Eduard > > > Nice endgame. In my computer Hiarcs 8, Fritz 7, Crafty 17.14 fail to see >62...Rc1. > > Now let us examine the position from an human point of view. First, I have to >state that after 62...Rc1 63.Rxa2 Rc2+ the pawn-ending is too easy for me and -I >assume- for any strong player who with enough experience. From a practical point >of view 63.Rxa2?? is a blunder: why enter a lost simple endgame? In practice, a >human player has to try something like 63.Ra3+ Rc3 64.Ra8 > > Telmo Thanks! I my opinion black win easy too after 64 Ra8 with 65. Rc2+, and black hould a Queen with his king and rook - or not? Regards, Eduard
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