Author: martin fierz
Date: 07:41:08 11/19/03
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On November 19, 2003 at 09:16:14, Uri Blass wrote: >Here is a position from my last tournament game > > >[D]r4rk1/1ppq1pbp/3p1np1/p2Pp3/2P5/1PNP2Pb/PB3PBP/R2QR1K1 w - - 0 15 > >Please give your evaluation of the position without chess programs and give the >move that you like before you read the rest of the post that is some lines >behind this line. > >I evaluated the position as better for black >I assumed in that game that I need the white bishop so I played Bh1 > >It was not a move that I thought much about it because based on previous >experience I know that it is bad to trade the bishop at g2 and I used more time >for other moves. > >I decided to give the position to Fritz and Fritz evaluates it as equal and >likes d4 > >Shredder even prefers the position of white. > >Is this an example for the superiority of computers relative to humans in >understanding positions. uri, no offense intended, but perhaps this position just shows the superiority of computers relative to YOU. perhaps it also shows the superiority of computers vs other CCC members who have answered this post :-) i considered Bh1 and d4 as candidates. Bh1 is an automove, but it doesn't really make too much sense here: you want to keep your fianchetto bishop if it's powerful or if you need it to defend your king. both things are not the case here: it's biting on pawn d5, and there are not many black pieces left to attack your king. of course you don't want to activate black by exchanging on h3 yourself, just let him do the exchanging. d4 on the other hand makes perfect sense: you get rid of your doubled pawn and you underscore your space advantage. a sensible line looks like d4 ed4 Qd4 (no dangerous discovered attacks by the Bg7 on Qd4 here, fortunately), and now perhaps Bg2 Kg2 (you can also wait with that) Rfe8 Qd2 or so. i like white's position. why? white has a clear space advantage and a clear plan with a3-b4-c5 to increase it more, or simple trades along the e-file and the long diagonal. black on the other hand has no plan at all - note that this is different after d4 ed4: without these moves, black might want to play something like Nh5 and f5 and now if you play d4 he will laugh and play ...e4 followed by Rae8 and f4 at some point, with a beautiful position for black. d4 also opens *one* line. typically this means exchanges of rooks along that line, getting closer to the endgame where space advantage gets more important. i think it is very easy to justify the move d4 from a purely human viewpoint and don't see this as any evidence for deeper understanding by the machines! cheers martin
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