Author: Vasik Rajlich
Date: 02:08:53 03/23/04
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On March 23, 2004 at 04:35:49, Tord Romstad wrote: >[D]k1r5/p5n1/1prp3p/5p2/P1PPp1pP/2P1P1P1/3KBP2/1R4B1 w - - > >This position occured in a blitz game on the ICC with Gothmog (white) against >Arasan. Of course, as is immediately obvious to a human observer, white is >dead lost. It's impossible to activate the bishop on g1, and white is >effectively a rook down. > >To my disgust, Gothmog was quite happy about its position, and showed a small >plus score. And because Arasan appeared to be equally clueless about the >position, Gothmog even went on to win after a really ugly endgame. > >After the game, I decided to check Gothmog's static eval for the position. >It thinks that white has an advantage(!) of 0.24 pawns. Of course it >notices the bad mobility for the bishop on g1, but it doesn't understand >that it will never be possible to activate the bishop without loss of >material. > >How do other engines evaluate this position? > >Tord This one looks too expensive to do correctly. Most bad bishops are much better than this one and can be activated in various ways, so you'd have to explicitly look for the extreme case. Vas
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