Author: blass uri
Date: 02:14:56 03/28/00
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On March 27, 2000 at 23:08:13, Robert Hyatt wrote: >On March 27, 2000 at 21:27:31, Dann Corbit wrote: > >>On March 27, 2000 at 21:17:00, Robert Hyatt wrote: >>[snip] >>>This is caused by the bishop 'leaving'. It found a way to sac the bishop, >>>and since you don't have even simple databases like kpk, it won't realize that >>>the resulting ending is a dead draw... >>> >>>I don't get that odd behavior at all here, with databases turned on... >>That's odd. I have the 3&4 piece tablebase files installed, and crafty reports >>that it finds them... >> >>Here is the startup for that position from the log file: >>pondering enabled. >>EGTB cache memory = 6M bytes. >>hash table memory = 24M bytes. >>pawn hash table memory = 8M bytes. >>EGTB access enabled >>using tbpath=e:/crafty/release/tb,F:/KBP >>4 piece tablebase files found >>1302kb of RAM used for TB indices and decompression tables >>search nodes set to 100000000. >>PFGA: EPD record: 1 >>end-game phase >> clearing hash tables >> time surplus 0.00 time limit 16:39 (16:39) > > >Watch the PV when the score is funny. It probably finds a way to force black >to take the B, while keeping 2 or 3 pawns... most likely 3 pawns... which >means that if you don't have all the 5 piece endings, that will look like a >winning position for white... I looked at the pv posted by dan corbit and I only found sacrifices of pawns and not one sacrifice of a bishop. Uri
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