Author: Heiner Marxen
Date: 16:28:07 01/21/01
Go up one level in this thread
On January 21, 2001 at 19:24:32, Pete Galati wrote: >On January 21, 2001 at 19:17:18, Paul wrote: > >>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 > >I'd try rebooting and try again. Something sounds broken with searching on a >position for 3 hours and being at 1/1 ply. That's just not right (Louie >Anderson impression). > >Pete After 2:27 hours crafty is at 12/104 in depth=1. May be that is just normal for programs, which do not use the hash table in the quiescence search. Heiner
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