Author: Jouni Uski
Date: 01:24:39 02/17/99
Go up one level in this thread
On February 17, 1999 at 03:47:25, Amir Ban wrote: >On February 15, 1999 at 08:01:14, Steffen Jakob wrote: > >>On February 15, 1999 at 05:58:35, Jeff Anderson wrote: >> >>>On February 15, 1999 at 03:22:50, Jouni Uski wrote: >>> >>>>In was quite surprised, that in two consecutine(!) tournament game between >>>>Junior 5 and Crafty 16.3 Junior eats a7 pawn with bishop. So after b6 bishop is >>>>lost. I have never seen Mchess or Rebel even considering that. Hmmm... >>> >>>I believe that Crafty has something in its eval that keeps it from playing this >>>move even when it cannot actually see the bishop being captured after it's >>>trapped. Is there any test position to see if a program will do this or not? >> >>I just cannot believe that Amir has simply forgotten to implement a "trapped >>bishop" penalty. Amir? > >The bishop is considered trapped at a7, but not at b8, which may be why Junior >and several other programs (Rebel included) fail here. > >Bobby Fischer fell for it against Spassky, so it's quite respectable :) > >Amir Hello Amir. How about game I posted yesterday "Junio5 and "bishop trap" example: here's the game" In that game Junior fell to a7 I think.
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