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Subject: interesting Ruffian endgame test position

Author: David Dahlem

Date: 08:43:58 09/26/02


[D]3r2k1/p6p/2P3p1/2Q1b3/1P2P1q1/6P1/P2p1B1P/3R2K1 w - - 0 41
Ruffian played 41. Rxd2 here and went on to win. CM9000 evaluated this as even
for several moves. What do other engines like here? Here is the complete game.

[Event "Arena Match, Blitz 30"]
[Site "?"]
[Date "????.??.??"]
[Round "2"]
[White "Ruffian"]
[Black "CM 9000"]
[Result "1-0"]
[ECO "E98/02"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O Nc6 8. d5 Ne7
9. Ne1 Ne8 10. Be3 f5 {0.48/10} 11. f3 c5 {0.37/10} 12. dxc6 {0.29/12} 12...
bxc6 {0.27/9} 13. Qd2 {0.24/12} 13... f4 {0.30/9} 14. Bf2 {0.25/14} 14... Be6
{0.17/10} 15. Rc1 {0.23/12} 15... Qc7 {0.23/10} 16. Nd3 {0.25/12} 16... Rb8
{0.28/9} 17. Nd5 {0.41/11} 17... Qb7 {0.28/10} 18. Nxe7+ {0.36/12} 18... Qxe7 {
0.28/9} 19. Rfe1 {0.31/11} 19... Rf7 {0.26/9} 20. c5 {0.56/11} 20... d5 {
0.42/10} 21. exd5 {0.52/11} 21... Bxd5 {0.42/10} 22. Nb4 {0.49/11} 22... Nc7 {
0.50/9} 23. Nxd5 {0.54/11} 23... cxd5 {0.46/10} 24. Bd3 {0.57/11} 24... Ne6 {
0.58/9} 25. b4 {0.64/10} 25... Rc8 {0.59/9} 26. Bc2 {0.70/10} 26... Rd8 {
0.60/10} 27. Qd3 {0.73/12} 27... Qg5 {0.76/9} 28. Bb3 {1.11/11} 28... e4 {
0.92/9} 29. fxe4 {1.24/12} 29... f3 {1.07/9} 30. g3 {1.73/11} 30... Nf4 {1.02/9
} 31. Qc2 {1.53/11} 31... Ne2+ {1.02/7} 32. Rxe2 {1.55/9} 32... fxe2 {1.28/8}
33. Re1 {1.99/11} 33... d4 {1.68/8} 34. Bxf7+ {2.57/10} 34... Kxf7 {2.00/9} 35.
Qc4+ {2.65/11} 35... Kf8 {2.19/9} 36. c6 {2.78/11} 36... Be5 {2.19/9} 37. Rxe2
{3.07/11} 37... d3 {2.03/8} 38. Re1 {3.18/10} 38... d2 {1.81/8} 39. Rd1 {
2.95/12} 39... Qg4 {1.53/9} 40. Qc5+ {1.41/13} 40... Kg8 {0.55/9} 41. Rxd2 {
1.08/14} 41... Rxd2 {0.00/9} 42. Qxe5 {1.08/11} 42... Qf3 {0.00/9} 43. Qb8+ {
1.27/12} 43... Kg7 {0.00/10} 44. Qxa7+ {1.75/13} 44... Kg8 {0.00/10} 45. Qb8+ {
1.69/14} 45... Kg7 {0.00/10} 46. Bd4+ {1.64/14} 46... Kh6 {-0.06/9} 47. Qf4+ {
1.63/13} 47... Qxf4 {0.04/10} 48. gxf4 {1.63/13} 48... Rxd4 {0.87/11} 49. b5 {
1.99/12} 49... Rc4 {0.82/10} 50. Kf2 {1.85/11} 50... Kg7 {0.76/10} 51. a4 {
2.02/11} 51... Kf6 {0.85/9} 52. a5 {2.10/10} 52... Ke7 {0.74/9} 53. b6 {2.09/10
} 53... Rb4 {0.44/9} 54. Ke3 {2.17/10} 54... Kd8 {0.37/9} 55. e5 {2.42/11} 55...
Rb3+ {1.15/9} 56. Kd4 {3.03/11} 56... Rb2 {1.76/9} 57. e6 {8.58/11} 57... Rd2+
{8.40/10} 58. Ke5 {9.07/11} 58... Rc2 {8.13/9} 59. c7+ {10.90/11} 59... Kc8
{9.40/9} 60. a6 {11.33/10} 60... Re2+ {10.18/9} 61. Kf6 {11.33/10} 61... Rb2
{11.50/9  Black resigns} 1-0

Regards
Dave



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