Author: Paul
Date: 16:17:18 01/21/01
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On January 21, 2001 at 19:14:08, John Coffey wrote: >On January 21, 2001 at 16:56:42, Paul wrote: > >>On January 21, 2001 at 11:56:09, leonid wrote: >> >>>Hi! >>> >>>This mate position is very handy when you want to check the limits in your >>>program. It is amusing also. Number of legal moves for both sides is slightly >>>over one hundred. >>> >>> knq3q1/rq1q1qbQ/Qq2Q3/1Qn1Q2B/Q1qN1Q1r/4K1B1/1q4QR/1N1q3Q white to go. >>> >>>If you will solve, it will be nice if you will indicate your result. >>> >>>Thanks, >>>Leonid. >> >>Hi again Leonid! >> >>It took my program 45 minutes ... phewwwwwww! >>Here's the line, a mate in 12: >> >>1. Qxa7+ Qxa7 2. Qxa7+ Kxa7 3. Qeb6+ Ka8 4. Qgxb7+ Qdxb7 5. Qxb8+ Qxb8 >>6. Qxb8+ Qxb8 7. Q6a5+ Na6 8. Qaxa6+ Qa7 9. Qg8+ Bf8 10. Qxf8+ Qe8+ >>11. Qfxe8+ Qc8 12. Qxc8x >> >>I think I'm going to skip your next problem, that will be too difficult >>for me ;) >> >>Greetings, >>Paul > >Fritz 6 has been thinking for 3 hours and 45 minutes, shows no analysis and >still says 1/1 ply. I wonder what is happening with the transposition table, >:-). > >John Coffey :) It's the QSearch blowing up, you have to control that somehow ... and that's easier when you're the author of the program in question :) Paul
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