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Subject: Endgame trap; some progs see it, some don't

Author: eric guttenberg

Date: 05:42:07 05/26/99


This is an interesting trap from a real gm game (Chandler-Z. Polgar, 1987):

White  K on e6  B on e4  P's on g5 and h2
Black  K on g7  N on g8
Black to move

In this losing position Black played 1...N-h6; White played 2.gxh6ch?? and
was forced to accept the draw after Black played 2...K-h8!

My hiarcs 6, playing white after 1...N-h6, ignores 2. gxh6ch and instead
immediately selects and stays with 2.h4 which wins. So does CM6000.
Genius 5 initially falls into the trap but after about 2 minutes on my
celeron 333 sees a problem with that move and at 3:36 selects 2.h4.
Fritz 5.32 doesn't have a clue and plays 2. gxh6 and even several moves
later thinks he's 9plus points ahead in his evaluation.

eric



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