Author: Jan Kiwitter
Date: 10:41:09 02/20/04
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On February 20, 2004 at 11:50:30, Tord Romstad wrote: >In a blitz game between Gothmog and Phalanx, played earlier today, the following >position was reached: > >[D]3rr2k/pp3q1p/2p2pp1/8/2PP4/3B1Q2/PBN2PPP/6K1 w - - > >Without doing a search, Gothmog thinks white has a winning advantage. The >static eval returns a score of +2.0, despite approximate material equality. >The big plus score for white seems to be almost entirely because of the >bishop pair (my bishop pair bonus is really big when the opposite side >has no minor pieces) and the weakness of black's a1-h8 diagonal. > >To this patzer's eyes, an advantage of +2 in this position seems to be >way too much. Should I have a closer look at my bishop pair bonus, or is >Gothmog's assesment of the position really OK? > >Tord Hello, in my opinion your program is correct. White can start with 1.d5 and in case black plays 1...Kg7 one can continue 2.g4 h6 3.h4 cxd5 4.cxd5 Rd6 5.Ne3 and white controls the board and always has the choice between a later h5 or g5 pawn-advance. That is just an example but it shows white can try to attack very quickly here without any risk. But of course this is the way how I look at the position as a human player and I cannot say if it is in general good for your program to evaluate the bishop pair so high. Regards Jan
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