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Subject: Testposition endgame

Author: Eduard Nemeth

Date: 07:19:53 01/11/03


The game end draw, but white hase a win position.


[Event "London m"]
[Site "?"]
[Date "1831.??.??"]
[Round "?"]
[White "McDonnell,Alexander"]
[Black "Fraser,George Brunton"]
[ECO "C00"]
[Result "1/2-1/2"]

1. e4 e6 2. f4 d5 3. e5 c5 4. Nf3 Nc6 5. c3 Be7 6. Bd3 Nh6
7. Bc2 Bd7 8. O-O f5 9. a3 c4 10. h3 Nf7 11. Qe1 g6 12. Kh1
h6 13. d4 Qb6 14. Nbd2 Na5 15. Rb1 Nb3 16. Bxb3 cxb3 17. c4
dxc4 18. Nxc4 Qc7 19. Ne3 Bb5 20. Rg1 Bd3 21. Ra1 Be4
22. Bd2 g5 23. Rc1 Qd7 24. d5 Bxd5 25. Nxd5 Qxd5 26. Bb4
Bxb4 27. Qxb4 a5 28. Qb6 O-O 29. Rgd1 Ra6 30. Qc7 Rc6
31. Rxd5 Rxc7 32. Rxc7 exd5 33. e6 Nd6 34. Rd7 Ne4 35. Rxd5
gxf4 36. Kh2 Ng3 37. Nd4 a4 38. Nb5 Re8 39. Nc7 Re7
40. Rd8+ Kg7 41. Rd7 Kf8 42. Rd8+ Kg7 43. Rd7 Kf8 44. Rxe7
Kxe7 45. Nd5+ Kxe6 46. Nxf4+ Ke5 47. Kxg3 Ke4 48. Ne2 Kd3
49. Nc3 Kc2 50. Nxa4 b5 51. Nc3 Kxb2 52. Nxb5 Ka2 53. Nc3+
Kxa3 54. Nd1 Ka2 55. Kf3 Kb1 56. Ke2 Kc2 57. g3 h5 58. h4
Kc1 59. Nc3 Kc2 60. Na4 Kc1 61. Kd3 Kd1 62. Nb2+ Ke1
63. Ke3 Kf1 64. Nd3 Kg2 65. Kf4 Kh2 66. Kf3 Kh3 67. Kf4 Kg2
68. Kxf5 Kxg3 69. Kg5 Kf3 70. Kxh5 Ke3 71. Nb2 Kd4 72. Kg5
Kc3 73. Nd1+ Kd2 74. Nb2 Kc3 1/2-1/2

Position after move 57:

[D]8/8/8/5p1p/8/1p4PP/2k1K3/3N4 w - -

White to move, is win now with 58. h4!

How many time need Your program
to find h4?

Here an analysis by Fritz 8:


1.Se3+ Kc3 2.h4 Kd4 3.Sxf5+ Ke4 4.Sd6+ Kd5 5.Sb5 Kc4 6.Sa3+
  +-  (1.56)   Tiefe: 21/42   00:04:05  72267kN, tb=92305
1.h4!
  +-  (1.59)   Tiefe: 21/42   00:04:21  76850kN, tb=102251

Fritz 8 is slow, or?

Eduard



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