Author: Robert Hyatt
Date: 07:57:37 01/11/03
Go up one level in this thread
On January 11, 2003 at 10:19:53, Eduard Nemeth wrote:
>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
I get h4 almost instantly with a winning score:
depth time score variation (1)
1 0.00 1.08 1. Ne3+ Kc3 2. Nxf5
1-> 0.00 1.08 1. Ne3+ Kc3 2. Nxf5
2 0.00 1.08 1. Ne3+ Kc3 2. Nxf5
2-> 0.00 1.08 1. Ne3+ Kc3 2. Nxf5
3 0.00 0.82 1. Ne3+ Kc1 2. Nxf5 b2
3-> 0.00 0.82 1. Ne3+ Kc1 2. Nxf5 b2
4 0.01 -- 1. Ne3+
4 0.01 0.00 1. Ne3+ Kc3 2. Nd5+ Kc2 3. Nb4+ Kc3
4. Nd5+
4-> 0.01 0.00 1. Ne3+ Kc3 2. Nd5+ Kc2 3. Nb4+ Kc3
4. Nd5+
5 0.01 0.03 1. Ne3+ Kc1 2. Nc4 Kc2 3. Na3+ Kc3
4. Nb5+ Kc2
5 0.01 0.39 1. Ke1 Kc1 2. h4 Kc2 3. Ne3+ Kc3 <HT>
5-> 0.02 0.39 1. Ke1 Kc1 2. h4 Kc2 3. Ne3+ Kc3 <HT>
6 0.03 0.17 1. Ke1 Kd3 2. Kf2 Kd2 3. Ne3 b2
6 0.04 0.39 1. h4 Kc1 2. Ke1 Kc2 3. Ne3+ Kc3 4.
Nxf5 <HT>
6-> 0.05 0.39 1. h4 Kc1 2. Ke1 Kc2 3. Ne3+ Kc3 4.
Nxf5 <HT>
7 0.06 0.33 1. h4 Kc1 2. Nc3 Kc2 3. Na4 Kc1 4.
Nc5
7-> 0.08 0.33 1. h4 Kc1 2. Nc3 Kc2 3. Na4 Kc1 4.
Nc5
8 0.09 0.00 1. h4 Kc1 2. Nc3 Kc2 3. Na4 Kc1 4.
Nc3
8 0.17 0.64 1. Ne3+ Kc1 2. Nc4 Kc2 3. Na5 b2 4.
Nc4 f4 5. Nxb2 fxg3
8-> 0.19 0.64 1. Ne3+ Kc1 2. Nc4 Kc2 3. Na5 b2 4.
Nc4 f4 5. Nxb2 fxg3
9 0.23 0.64 1. Ne3+ Kc1 2. Nc4 Kc2 3. Na5 b2 4.
Nc4 f4 5. Nxb2 fxg3
9 0.26 0.78 1. h4 Kc1 2. Nc3 Kb2 3. Kd2 Ka3 4.
Kd3 b2 5. Kd4
9-> 0.29 0.78 1. h4 Kc1 2. Nc3 Kb2 3. Kd2 Ka3 4.
Kd3 b2 5. Kd4
10 0.34 ++ 1. h4!!
10 0.36 1.47 1. h4 Kc1 2. Nf2 Kc2 3. Nd3 Kc3 4.
Nc5 f4 5. gxf4 Kc4
10-> 0.71 1.47 1. h4 Kc1 2. Nf2 Kc2 3. Nd3 Kc3 4.
Nc5 f4 5. gxf4 Kc4
11 0.72 ++ 1. h4!!
11 0.76 1.93 1. h4 Kc1 2. Nf2 Kc2 3. Nd3 Kc3 4.
Nc5 b2 5. Na4+ Kc2 6. Nxb2 Kxb2
11-> 1.17 1.93 1. h4 Kc1 2. Nf2 Kc2 3. Nd3 Kc3 4.
Nc5 b2 5. Na4+ Kc2 6. Nxb2 Kxb2
12 1.38 2.03 1. h4 Kc1 2. Nf2 Kc2 3. Nd3 Kc3 4.
Nc5 Kc2 5. Nxb3 Kxb3 6. Ke3 Kc3
12-> 2.14 2.03 1. h4 Kc1 2. Nf2 Kc2 3. Nd3 Kc3 4.
Nc5 Kc2 5. Nxb3 Kxb3 6. Ke3 Kc3
13 2.40 2.03 1. h4 Kc1 2. Nf2 Kc2 3. Nd3 Kc3 4.
Nc5 b2 5. Na4+ Kc2 6. Nxb2 Kxb2 7.
Ke3 Kc3
13-> 3.99 2.03 1. h4 Kc1 2. Nf2 Kc2 3. Nd3 Kc3 4.
Nc5 b2 5. Na4+ Kc2 6. Nxb2 Kxb2 7.
Ke3 Kc3
14 4.22 2.23 1. h4 Kc1 2. Nf2 Kc2 3. Nd3 Kc3 4.
Nc5 b2 5. Na4+ Kc2 6. Nxb2 Kxb2 7.
Kd3 Kc1 8. Ke3
14-> 6.90 2.23 1. h4 Kc1 2. Nf2 Kc2 3. Nd3 Kc3 4.
Nc5 b2 5. Na4+ Kc2 6. Nxb2 Kxb2 7.
Kd3 Kc1 8. Ke3
15 7.40 ++ 1. h4!!
15 8.27 2.88 1. h4 Kc1 2. Nc3 Kb2 3. Kd2 Ka3 4.
Kc1 Kb4 5. Nd5+ Kc4 6. Nf6 Kc3 7. Nxh5
f4 8. Kd1 Kd4 9. Nxf4
15-> 17.98 2.88 1. h4 Kc1 2. Nc3 Kb2 3. Kd2 Ka3 4.
Kc1 Kb4 5. Nd5+ Kc4 6. Nf6 Kc3 7. Nxh5
f4 8. Kd1 Kd4 9. Nxf4
16 21.15 2.71 1. h4 Kc1 2. Nc3 b2 3. Kd3 b1=Q+ 4.
Nxb1 Kxb1 5. Kd4 Kc2 6. Ke5 Kd2 7.
Kxf5 Ke3 8. g4 hxg4 9. Kxg4 Ke4
16-> 47.22 2.71 1. h4 Kc1 2. Nc3 b2 3. Kd3 b1=Q+ 4.
Nxb1 Kxb1 5. Kd4 Kc2 6. Ke5 Kd2 7.
Kxf5 Ke3 8. g4 hxg4 9. Kxg4 Ke4
17 47.71 ++ 1. h4!!
17 53.56 3.37 1. h4 Kc1 2. Nc3 Kc2 3. Na4 Kb1 4.
Kd2 Ka2 5. Kc3 Ka3 6. Nb6 Ka2 7. Nc4
Kb1 8. Nd2+ Kc1 9. Nxb3+ Kd1 10. Kd4
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