Author: Steven Edwards
Date: 12:08:12 03/14/04
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On March 14, 2004 at 14:28:36, John Merlino wrote: >On March 14, 2004 at 13:13:18, Art Basham wrote: > >>[D]7B/6N1/8/5B2/8/K7/pr6/k7 w - - 0 1 >> >>This may have more than one solution, and I am not sure if it is a forced mate >>or not.. >> >>the book calls for: >>1 Ka4...If Rb8, >>2 Ne8+...etc. >I have verified that there is no forced mate in 14 moves. I suspect that there >is a forced mate in somewhere between 20 and 25 moves, but no less. How about mate in 26: 1. Ka4 Rh2 2. Nh5+ Rb2 3. Nf6 Rb8 4. Bg7 Ra8+ 5. Kb3 Ra3+ 6. Kc2 Rc3+ 7. Kd2 Kb2 8. Nd5 a1=Q 9. Bxc3+ Ka2 10. Nb4+ Kb3 11. Be6+ Ka4 12. Bxa1 Kxb4 13. Bd4 Kb5 14. Bd5 Kb4 15. Bb7 Ka5 16. Ba7 Ka4 17. Ba6 Ka5 18. Bd3 Ka4 19. Bc5 Ka5 20. Kc3 Ka4 21. Bb6 Ka3 22. Bb5 Ka2 23. Kc2 Ka1 24. Ba4 Ka2 25. Bb3+ Ka1 26. Bd4#
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