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Subject: Test position (search depth vs. "intelligence")

Author: Bo Sjögren

Date: 11:31:16 05/27/02


Many years ago I was outplayed for most of the game, but my opponent
allowed me to "close the shop":

[D]8/p7/6kp/1p2p3/1P2P2P/2P5/1P3K2/8 w - -

White must play 1.h5+!, which I think we concluded after the game wins
rather easily. But instead he played 1. b3?? and after 1...h5! he
thought for five minutes, and shook his head (and my hand)...

Does the current crop of engines recognise the danger? It seems CT14
prefers 1.h5+, but is almost as happy with 1.b3 -- just a one minute
check. Will any engine conclude that 1.b3 is indeed a draw, and how
will it do it; by some kind of intelligence, or brute force? (I of
course have the feeling that brute force is not enough for this type
of problem.)

/Bo S



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