Author: Uri Blass
Date: 01:41:29 12/21/05
Go up one level in this thread
On December 21, 2005 at 02:18:20, Timothy J. Frohlick wrote:
>I thought that Rybka wasn't able to solve knight+bishop endgames. I must have a
>special edition.
>
>TJ
No
It cannot win.
You probably did not play with rybka.
[Event "Blitz:1'+1""]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "agur"]
[Black "Rybka 1.0 Beta 32-bit"]
[Result "*"]
[SetUp "1"]
[FEN "8/8/8/2k5/b7/2K1n3/8/8 w - - 0 1"]
[PlyCount "89"]
[TimeControl "60+1"]
1. Kb2 {0} Kb4 {2} 2. Ka1 {0} Bc6 {2} 3. Kb2 {0} Nc4+ {2} 4. Ka1 {0} Be4 {3} 5.
Ka2 {0} Kc5 {4} 6. Ka1 {0} Kd4 {3} 7. Ka2 {0} Ne3 {2} 8. Ka1 {0} Ke5 {4} 9. Kb2
{0} Bd5 {2} 10. Ka1 {0} Nf5 {2} 11. Kb2 {0} Nd4 {3} 12. Ka1 {0} Be4 {2} 13. Kb2
{0} Ne6 {1} 14. Ka1 {0} Nf4 {1} 15. Kb2 {0} Kd4 {2} 16. Ka1 {0} Bd5 {3} 17. Kb2
{0} Nd3+ {2} 18. Ka1 {0} Ne5 {3} 19. Kb2 {0} Be4 {2} 20. Ka1 {0} Kc5 {3} 21.
Kb2 {0} Bd5 {1} 22. Ka1 {0} Kd6 {2} 23. Kb2 {0} Be4 {1} 24. Ka1 {0} Ke6 {2} 25.
Kb2 {0} Kd5 {2} 26. Ka1 {0} Kd4 {2} 27. Kb2 {0} Bd5 {2} 28. Ka1 {0} Nd3 {3} 29.
Kb1 {1} Nc5 {2} 30. Ka1 {0} Ke5 {2} 31. Kb2 {0} Bf3 {1} 32. Ka1 {0} Be4 {1} 33.
Kb2 {1} Bd5 {1} 34. Ka1 {0} Kd4 {1} 35. Kb2 {0} Be4 {2} 36. Ka1 {0} Ne6 {1} 37.
Kb2 {0} Kc4 {2} 38. Ka1 {0} Nd4 {1} 39. Kb2 {0} Kc5 {2} 40. Ka1 {0} Bd5 {2} 41.
Kb2 {0} Kd6 {9} 42. Ka1 {0} Ke5 {1} 43. Kb2 {0} Be4 {1} 44. Ka1 {0} Ne6 {0} 45.
Kb2 {0}
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