Author: Gerd Isenberg
Date: 14:51:11 04/21/04
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On April 21, 2004 at 16:54:20, Uri Blass wrote: >On April 21, 2004 at 16:44:15, Gerd Isenberg wrote: > >>On April 21, 2004 at 16:11:27, Uri Blass wrote: >> >>>Here is another case when I believe that movei blundered by playing Ba7 when >>>after c5 the black bishop is a joke. >>> >>>I am surprised to see that not only movei has no sense of humor but even the >>>ssdf leader Shredder7.04(A1000, 64 mbytes hash) seems not to have it and cannot >>>find the only logical move(Bd4) even after a long time(the second possibility is >>>that I understand nothing about the position and the fact that the black bishop >>>is out of the game is not important). >>> >>>Resp 0.19 - Movei 0.08.178d >>>[D]1k1r3r/2p1n3/p1pq1p2/1pb1p3/1PP1P1pp/P2P3P/2Q1NPP1/R1BR2K1 b - b3 0 1 >>> >> >>Same for IsiChess MMX, likes Ba7 too all the time. >>I thought i recently had implemented some trapped bishob code ;-) >>Or was it already the AMD64 XMM-version which takes some more time? >> >>I guess there is probably wrong king safety compensation for the trapped bishop. >>May be the closing "c5" makes the black king safer, due to less levers but more >>rams on king related files. Other black pieces and the advanced pawns may be >>ready for a king side attack. Interesting position! >> >>Gerd > >I believe that you need pieces to attack the king so the fact that the black >bishop is trapped should also reduce the kins safety score against white. > >Uri Yes, that's correct. But it's not so easy to find the a7-bishop completely trapped. One should consider that the lever push a6a5 don't works, due to the a3 pawn, dispite opening the a file looks not good for black ;-) Gerd
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