Author: Vincent Diepeveen
Date: 15:28:58 04/09/01
Go up one level in this thread
On April 09, 2001 at 18:21:52, Robert Hyatt wrote: >On April 09, 2001 at 17:08:49, Vincent Diepeveen wrote: > >>On April 09, 2001 at 16:49:21, Normand M. Blais wrote: >> >>>On April 09, 2001 at 16:21:56, Andrei Fortuna wrote: >>> >>> >>>>positional score > 2 PAWN_VALUE. And that will hurt my quiescence and my >>>>futility pruning if I assume that 2*PAWN_VALUE is max positional score. It all >>>>boils down to the magnitude of the positional scores versus pawn value, I think >>>>I have to choose either to keep big bonuses and turn futility off (or set a >>>>bigger margin for futility but in that case it would make futility more >>>>inefficient) or keep small bonuses and enjoy the reductions I get from futility >>>>and quiescence. >>> >>>What if you multiply the value of the material by 10 (i.e. pawn = 1000 Knight = >>>3000 Bishop = 3000 Rook = 5000 Queen = 10000 ) and keep the positional score as >>>it is. >>> >>>N.M.B. >> >>then his program will volunteerly >>accept a pawn and get mated a few moves later. >> >>A good test position is DIEP - crafty wmccc2000: >> >>e2-e4 (2:00:00,2:00:00) book >>c7-c5 (2:00:00,1:59:19) >>g1-f3 (2:00:00,1:59:19) book >>d7-d6 (2:00:00,1:59:06) >>d2-d4 (2:00:00,1:59:06) book >>c5xd4 (2:00:00,1:58:48) >>f3xd4 (1:59:59,1:58:48) book >>g8-f6 (1:59:59,1:58:21) >>b1-c3 (1:59:59,1:58:21) book >>a7-a6 (1:59:59,1:58:02) >>c1-g5 (1:59:59,1:58:02) book >>e7-e6 (1:59:59,1:57:44) >>f2-f4 (1:59:59,1:57:44) book >>d8-b6 (1:59:59,1:57:29) >>d1-d2 (1:59:59,1:57:29) book >>b6xb2 (1:59:59,1:57:16) >>a1-b1 (1:59:59,1:57:16) book >>b2-a3 (1:59:59,1:56:53) >>f4-f5 (1:59:59,1:56:53) book >>b8-c6 (1:59:59,1:56:28) >>f5xe6 (1:59:59,1:56:28) book >>f7xe6 (1:59:59,1:55:59) >>d4xc6 (1:59:59,1:55:59) book >>b7xc6 (1:59:59,1:55:43) >>e4-e5 (1:59:59,1:55:43) book >>d6xe5 (1:59:59,1:51:36) >>g5xf6 (1:59:59,1:51:36) book >>g7xf6 (1:59:59,1:50:43) >>c3-e4 (1:59:59,1:50:43) book >>f8-e7 (1:59:59,1:46:38) >>f1-e2 (1:59:59,1:46:38) book >> >>Here crafty played O-O?? it castled straight into the mate here by >>doing that. O-O is a big blunder. Diep wmccc2000 played h5 there. >> >>Let's have a look whether current version also does that... >> >> >> >> >> >>best regards, >>Vincent > > >If you will post it in a standard machine readable form rather than in >that e2-e4 gobbledygook, I will try it. > >:) K:\diep>type forbob.fen r1b1k2r/4b2p/p1p1pp2/4p3/4N3/q7/P1PQB1PP/1R2K2R b Kkq - h5! o-o?? Note you should also checkout the operating time your operator needed. Cool man, but should not operate crafty. Learned a lot about computerchess i guess in that tournament. You need an operator who can operate it at 7 0 too !
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