Author: Scott Gasch
Date: 11:42:57 02/17/05
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On February 17, 2005 at 03:36:19, Richard Pijl wrote: >On February 16, 2005 at 20:54:21, Scott Gasch wrote: > >>On February 16, 2005 at 20:23:31, Dann Corbit wrote: >> >>>On February 16, 2005 at 19:50:15, Peter Berger wrote: >>> >>>>What a pity that you are still sworn to create a poem for each and every program >>>>that manages to get 295/300 :P >>> >>>But a further requirement was that it occur on my 950 MHz AMD Athlon, where in >>>the same 5 second time frame, crafty scores 292/300. >>> >>>However, in the light of a perfect score (albeit on a faster machine) I think >>>crafty deserves some special recognition. >> >>I'd be surprised to see many engines solve wac002 in under 5 seconds _with a PV >>that includes a promotion_. It seems like this is a position that overvaluing >>passers can help you solve quickly. >> >>Scott > >It has nothing to do with overvaluing passers. Solving it quickly perhaps does >involve adding some specific knowledge on connected passers against a rook (with >king far enough away). > >The Baron knows at least one pawn will promote quite soon, without seeing the >actual promotion in search. It knows the pawn will promote after doing ply 9. It >is seen in search at the 11th ply (not shown in the pv, but on the next move the >pawn promotes, which is seen in qsearch). Output below is from a Xeon 2.8. Monsoon has rules about connected passers vs. KR also but if you play out WAC002 the king is too close to use these. That is, unless your rules are way smarter than mine. Scott
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