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Subject: Rybka 1.0 finds it instantly announcing a mate in 26

Author: Timothy J. Frohlick

Date: 23:18:20 12/20/05

Go up one level in this thread


I thought that Rybka wasn't able to solve knight+bishop endgames. I must have a
special edition.

TJ



[White "Rybka 1.0 Beta 32-bit"]

[Result "0-1"]
[SetUp "1"]
[FEN "8/8/8/2k5/b7/2K1n3/8/8 w - - 0 1"]
[PlyCount "52"]

1. Kd3 {[%emt 0:00:00]} Nc4 {[%emt 0:00:00]} 2. Kc3 {[%emt 0:00:00]} Bc6 {
[%emt 0:00:00]} 3. Kd3 {[%emt 0:00:00]} Bf3 {[%emt 0:00:00]} 4. Kc2 {
[%emt 0:00:00]} Kd4 {[%emt 0:00:00]} 5. Kb3 {[%emt 0:00:00]} Be4 {
[%emt 0:00:00]} 6. Ka4 {[%emt 0:00:00]} Nd2 {[%emt 0:00:00]} 7. Ka3 {
[%emt 0:00:00]} Kc3 {[%emt 0:00:00]} 8. Ka2 {[%emt 0:00:00]} Nb3 {
[%emt 0:00:00]} 9. Ka3 {[%emt 0:00:00]} Bb1 {[%emt 0:00:00]} 10. Ka4 {
[%emt 0:00:00]} Nd4 {[%emt 0:00:00]} 11. Ka5 {[%emt 0:00:00]} Be4 {
[%emt 0:00:00]} 12. Kb6 {[%emt 0:00:00]} Ne6 {[%emt 0:00:00]} 13. Kb5 {
[%emt 0:00:00]} Kb3 {[%emt 0:00:00]} 14. Ka5 {[%emt 0:00:00]} Bc6 {
[%emt 0:00:00]} 15. Kb6 {[%emt 0:00:00]} Bd7 {[%emt 0:00:00]} 16. Ka5 {
[%emt 0:00:00]} Kc4 {[%emt 0:00:00]} 17. Kb6 {[%emt 0:00:00]} Kd5 {
[%emt 0:00:00]} 18. Kb7 {[%emt 0:00:00]} Kc5 {[%emt 0:00:00]} 19. Ka6 {
[%emt 0:00:00]} Nd8 {[%emt 0:00:00]} 20. Ka5 {[%emt 0:00:00]} Nb7+ {
[%emt 0:00:00]} 21. Ka6 {[%emt 0:00:00]} Kc6 {[%emt 0:00:00]} 22. Ka7 {
[%emt 0:00:00]} Nc5 {[%emt 0:00:00]} 23. Kb8 {[%emt 0:00:00]} Kb6 {
[%emt 0:00:00]} 24. Ka8 {[%emt 0:00:00]} Be6 {[%emt 0:00:00]} 25. Kb8 {
[%emt 0:00:00]} Na6+ {[%emt 0:00:00]} 26. Ka8 {[%emt 0:00:00]} Bd5# {
[%emt 0:00:00]} 0-1




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