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Subject: Rybka test position

Author: K. Burcham

Date: 21:20:44 12/11/05



How long does it take your program to play Qxe5 with + eval for black?
Rybka played this move and won in short time control.
Game below.

2200 mhz Athlon
764 pin

 [D] 2kr2nr/pp3pp1/2p1p2p/4N2q/2PPN1P1/3Q4/PP3P2/2KR4 b - - 0 1

Rybka 1.0 Beta 32-bit:

19...Qxe5 20.dxe5 Rxd3 21.Rxd3 Ne7 22.Nd6+ Kc7 23.Nxf7
  =  (0.12)   Depth: 9   00:00:00  20kN
19...Qxe5 20.dxe5 Rxd3 21.Rxd3 Ne7 22.Nd6+ Kc7 23.Nxf7 Rf8
  =  (0.11)   Depth: 10   00:00:00  38kN
19...Qxe5 20.dxe5 Rxd3 21.Rxd3 Ne7 22.Nd6+ Kc7 23.Rb3 Rb8 24.Nxf7
  =  (0.03)   Depth: 11   00:00:01  84kN
19...Qxe5 20.dxe5 Rxd3 21.Rxd3 Ne7 22.Nd6+ Kc7 23.Rb3 Rb8 24.Nxf7
  =  (0.04)   Depth: 12   00:00:02  148kN
19...Qxe5 20.dxe5 Rxd3 21.Rxd3 Ne7 22.Nd6+ Kc7 23.Rb3 Rb8 24.Nxf7
  =  (0.03)   Depth: 13   00:00:03  304kN
19...Qxe5 20.dxe5 Rxd3 21.Rxd3 Ne7 22.Nd6+ Kc7 23.Rb3 Rb8 24.Rf3
  =  (-0.02)   Depth: 14   00:00:04  586kN
19...Qxe5 20.dxe5 Rxd3 21.Rxd3 Ne7 22.Nd6+ Kc7 23.Rb3 Rb8 24.Rf3
  =  (0.00)   Depth: 15   00:00:06  1004kN
19...Qxe5 20.dxe5 Rxd3 21.Rxd3 Ne7 22.Nd6+ Kc7 23.Rb3 Rb8 24.Rf3
    (-0.40)   Depth: 16   00:00:13  2366kN
19...Qxe5 20.dxe5 Rxd3 21.Rxd3 Ne7 22.Nd6+ Kc7 23.Rb3 Rb8 24.Nxf7
    (-0.66)   Depth: 17   00:00:27  5037kN
19...Qxe5 20.dxe5 Rxd3 21.Rxd3 Ne7 22.Nd6+ Kc7 23.c5 Ng6 24.Re3
    (-0.73)   Depth: 18   00:00:57  10003kN
19...Qxe5 20.dxe5 Rxd3 21.Rxd3 Ne7 22.Nd6+ Kc7 23.c5 Ng6 24.Re3
    (-0.71)   Depth: 19   00:01:31  16081kN
19...Qxe5 20.dxe5 Rxd3 21.Rxd3 Ne7 22.Nd6+ Kc7 23.c5 Ng6 24.Re3
    (-0.71)   Depth: 20   00:02:47  27914kN


[Event "8"/8"]
[Black "Rybka 1.0 Beta 32-bit"]
[Result "0-1"]
[PlyCount "112"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5
Bh7 9. Bd3 Bxd3 10. Qxd3 Qc7 11. Rh4 e6 12. Bf4 Bd6 13. Bxd6 Qxd6 14. Ne4 Qe7
15. O-O-O O-O-O 16. c4 Ne5 17. Nxe5 Qxh4 18. g3 Qxh5 19. g4 Qxe5 20. dxe5 Rxd3
21. Rxd3 Ne7 22. Rb3 Kc7 23. Nd6 Rb8 24. c5 Ng6 25. Re3 Ra8 26. Kd2 b6 27. b4
Kd7 28. f4 Nxf4 29. Rf3 g5 30. Nxf7 b5 31. Nd6 a5 32. Ra3 a4 33. Rf3 Ke7 34.
Rf2 Rf8 35. Rh2 Nd5 36. Rxh6 Rf2+ 37. Kd1 Rxa2 38. Rh7+ Kf8 39. Ne4 Ra1+ 40.
Kd2 a3 41. Nxg5 a2 42. Nxe6+ Ke8 43. Ra7 Rg1 44. Ng7+ Kd8 45. Ne6+ Kc8 46. Nd4
a1=Q 47. Rxa1 Rxa1 48. Nxc6 Rg1 49. Na7+ Kd7 50. Nxb5 Rxg4 51. Nd6 Nxb4 52. Ke3
Ke6 53. Kf3 Rd4 54. Kg3 Kxe5 55. Nf7+ Kd5 56. Ng5 Rd1 0-1





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