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Subject: Finally a program that can avoid 44.Kf1

Author: K. Burcham
Date: 19:44:31 01/02/06

Finally a program that can see what Deep Blue could not. That 44.Kh2 is a better
move and avoids the draw move of 44.Kf1. Here Deep Blue could not see that
44.Kh2 is a better move.


 [D] R7/1r3kp1/1qQb1p1p/1p1PpP2/1Pp1B3/2P4P/6P1/6K1 w - - 0 1

Rybka 1.0 Beta 32-bit:

44.Kh2 Rb8 45.Ra6 Qxc6 46.dxc6 Bc7 47.Ra7 Rc8
  +-  (2.25)   Depth: 10   00:00:00  84kN
44.Kh2 Rb8 45.Qd7+ Kg8 46.Ra7 Bf8 47.Qe6+ Kh7 48.Qxb6 Rxb6
  +-  (2.01)   Depth: 11   00:00:00  110kN
44.Kf1 Rb8 45.Ra6 Qxc6 46.dxc6 Rc8 47.Ra7+ Rc7 48.Ra5 Rc8
  +-  (2.57)   Depth: 11   00:00:01  172kN
44.Kf1 Rb8 45.Ra6 Qxc6 46.dxc6 Rc8 47.Ra7+ Rc7 48.Ra5 Rc8
  +-  (2.48)   Depth: 12   00:00:01  235kN
44.Kf1 Rb8 45.Ra6 Qxc6 46.dxc6 Rc8 47.Ra7+ Rc7 48.Ra5 Ke7
  +-  (2.70)   Depth: 13   00:00:02  366kN
44.Kf1 Rb8 45.Ra6 Qxc6 46.dxc6 Rc8 47.Ra7+ Rc7 48.Ra8 Bf8
  +-  (2.80)   Depth: 14   00:00:03  601kN
44.Kf1 Rb8 45.Ra6 Qxc6 46.dxc6 Rc8 47.Ra7+ Rc7 48.Ra8 Bf8
  +-  (2.86)   Depth: 15   00:00:04  983kN
44.Kf1 Rb8 45.Ra6 Qe3 46.Qd7+ Kg8 47.Qxd6 Rf8 48.Qe6+ Kh7
  +-  (2.14)   Depth: 16   00:00:18  2681kN
44.Kh1 Rb8 45.Ra6 Qxc6 46.dxc6 Rc8 47.Ra7+ Rc7 48.Ra5 h5
  +-  (2.50)   Depth: 16   00:00:27  4317kN
44.Kh1 Rb8 45.Ra6 Qxc6 46.dxc6 Rc8 47.Ra7+ Rc7 48.Ra5 Rc8
  +-  (2.51)   Depth: 17   00:00:30  5102kN
44.Kh1 Rb8 45.Ra6 Qxc6 46.dxc6 Rc8 47.Ra7+ Kf8 48.Kh2 Bc7
  +-  (2.50)   Depth: 18   00:00:43  7833kN
44.Kh1 Rb8 45.Ra6 Qxc6 46.dxc6 Rc8 47.Ra7+ Kf8 48.Kh2 Bc7
  +-  (2.61)   Depth: 19   00:01:08  12164kN
44.Kh1 Rb8 45.Ra6 Qxc6 46.dxc6 Rc8 47.Ra7+ Kf8 48.Rd7 Bc7
  +-  (2.70)   Depth: 20   00:02:01  20868kN
44.Kh1 Rb8 45.Ra6 Qxc6 46.dxc6 Rc8 47.Ra7+ Kf8 48.Rd7 Bc7
  +-  (2.70)   Depth: 21   00:03:20  32600kN
44.Kh1 Rb8 45.Ra6 Qxc6 46.dxc6 Rc8 47.Ra7+ Kf8 48.Rd7 Bc7
  +-  (2.75)   Depth: 22   00:06:08  58698kN
44.Kh1 Rb8 45.Ra6 Qxc6 46.dxc6 Rc8 47.Ra7+ Kf8 48.Rd7 Bc7
  +-  (2.74)   Depth: 23   00:11:59  105490kN
44.Kh1 Rb8
  +-  (2.78)   Depth: 24   00:27:00  230818kN



After 44. Kh1 Rb8 45. Ra6 Qxc6 46.dxc6 Rc8 47. Ra7+ Kf8 48. Kh2 Bc7 49. Kg3 Ke7
50. Kh4 Kd6 51. Kh5 Re8 52. Kg6 Re7 53. Rb7

 [D] 8/1Rb1r1p1/2Pk1pKp/1p2pP2/1Pp1B3/2P4P/6P1/8 b - - 0 1

Rybka 1.0 Beta 32-bit:


53...h5 54.h4 Re8 55.Kxg7 Rb8 56.Kxf6 Rg8 57.Rxb5 Rg4 58.Rd5+
  +-  (4.83)   Depth: 17   00:00:03  386kN
53...h5 54.h4 Re8 55.Kxg7 Rb8 56.Kxf6 Rg8 57.Rxb5 Rg4 58.Rd5+
  +-  (4.89)   Depth: 18   00:00:04  1029kN
53...Bd8 54.Rb8 Kc7 55.Ra8 h5 56.Kxh5 Re8 57.Kg4 Rf8 58.Ra7+
  +-  (4.83)   Depth: 18   00:00:07  2226kN
53...Bd8 54.Rb8 Kc7 55.Ra8 h5 56.Kxh5 Re8 57.Kg4 Rf8 58.Ra7+
  +-  (4.83)   Depth: 19   00:00:08  2226kN
53...Bd8 54.Rb8 Kc7 55.Ra8 h5 56.Kxh5 Re8 57.Kg4 Rf8 58.Ra7+
  +-  (4.83)   Depth: 20   00:00:08  2229kN
53...Bd8 54.Rb8 Kc7 55.Ra8 h5 56.Kxh5 Re8 57.Kg4 Rf8 58.Ra7+
  +-  (4.83)   Depth: 21   00:00:09  2230kN
53...Bd8 54.Rb8 Kc7 55.Ra8 h5 56.Kxh5 Re8 57.Kg4 Rf8 58.Ra7+
  +-  (4.85)   Depth: 22   00:00:16  4956kN
53...Bd8 54.Rb8 Kc7 55.Ra8 h5 56.Kxh5 Re8 57.Kg4 Rf8 58.Ra7+
  +-  (4.83)   Depth: 23   00:01:18  20981kN
53...Bd8 54.Rb8 Kc7 55.Ra8 h5 56.Kxh5 Re8 57.Kg4 Re7 58.Kh4
  +-  (4.83)   Depth: 24   00:04:02  61114kN
53...Bd8 54.Rb8 Kc7 55.Ra8 h5 56.Kxh5 Re8 57.Kg4 Re7 58.Kh4
  +-  (4.89)   Depth: 25   00:07:41  118661kN

[Event "IBM Kasparov vs. Deep Blue Rematch"]
[Site "New York, NY USA"]
[Date "1997.05.04"]
[Round "2"]
[White "Deep Blue"]
[Black "Kasparov, Garry"]
[Result "1-0"]
[ECO "C93"]
[PlyCount "89"]
[EventDate "1997.??.??"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3
O-O 9. h3 h6 10. d4 Re8 11. Nbd2 Bf8 12. Nf1 Bd7 13. Ng3 Na5 14. Bc2 c5 15. b3
Nc6 16. d5 Ne7 17. Be3 Ng6 18. Qd2 Nh7 19. a4 Nh4 20. Nxh4 Qxh4 21. Qe2 Qd8 22.
b4 Qc7 23. Rec1 c4 24. Ra3 Rec8 25. Rca1 Qd8 26. f4 Nf6 27. fxe5 dxe5 28. Qf1
Ne8 29. Qf2 Nd6 30. Bb6 Qe8 31. R3a2 Be7 32. Bc5 Bf8 33. Nf5 Bxf5 34. exf5 f6
35. Bxd6 Bxd6 36. axb5 axb5 37. Be4 Rxa2 38. Qxa2 Qd7 39. Qa7 Rc7 40. Qb6 Rb7
41. Ra8+ Kf7 42. Qa6 Qc7 43. Qc6 Qb6+ 44. Kf1 (44. Kh1 Rb8 45. Ra6 Qxc6 46.
dxc6 Rc8 47. Ra7+ Kf8 48. Kh2 Bc7 49. Kg3 Ke7 50. Kh4 Kd6 51. Kh5 Re8 52. Kg6
Re7 53. Rb7 Bd8 54. Rxe7 (54. Rxb5) 54... Kxe7 55. Kxg7 Bb6 56. Kxh6 Be3+ 57.
Kg6) 44... Rb8 45. Ra6 1-0
correction Kh1 K. Burcham 19:46:12 01/02/06
- Re: correction Kh1 Uri Blass 21:00:01 01/02/06
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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