Author: Uri Blass
Date: 13:10:50 02/20/04
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On February 20, 2004 at 15:28:37, Gerd Isenberg wrote: >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 > >Interactive eval tuning ;-) >What about the same position without queens? > >I have slight minus for white - the rooks became stronger. >Is that too much? > >[D] 3rr2k/pp5p/2p2pp1/8/2PP4/3B4/PBN2PPP/6K1 w - - Movei starts with a small positive score in both cases but the score goes up for white when it searches deeper. In the first diagram the scores goes up to +1.xx and in this case the score goes up slowly. 0.32/8 0.38/9 0.38/10 0.41/11 0.45/12 0.49/13 0.53/14 Uri
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