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Subject: Some Wijk aan Zee Positions

Author: Howard Exner

Date: 11:21:58 01/27/00


Something about the nature of of computer play vs human play. We often detect
weak computer moves at a glance ... blocked piece syndrom, missing a forced
exchange into a won endgame. Likewise computers are quick to point out human
errors, even from GMs in the recent Wijk aan Zee tournament.


Korchnoi played Bxg2 and quickly lost.

[D]r4rk1/pbq2pp1/1p2pn1p/2P1N3/7P/3B4/PPPQ1PP1/2KRR3 b - - id Anand,V -
Korchnoi,V; am Bxg2;

Lputian misses a chance to turn the tables on Krammnik by playing Bb7. Instead
he played Qb8 and lost.

[D]r2q1rk1/4bppp/bp6/3BP3/6Q1/6P1/R4P1P/3R2K1 b - - id Kramnik,V - Lputian,S; bm
Bb7;

With Qc5 the game appears fairly even but Rxf3 loses immediately.

[D]6k1/5rpp/2q1p3/p3Br1n/2P1R3/P4P2/6QP/6RK b - - id Short,N - Polgar,Ju; am
Rxf3;

These positions are not so much to test computers as I'm sure all will play
better than the GM's in these positions. It is more an example of how
differently machine and human play. If there were a "Human Chess Club" where
computers met to talk about the play of humans they would be be saying, "How can
humans miss such simple moves?"



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