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Subject: Re: "Don't trust draw score" <=Is it true?

Author: Bruce Moreland

Date: 09:38:58 08/09/01

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On August 09, 2001 at 06:12:52, Martin Giepmans wrote:
best move is, say, Nc3. Score +0.10.
>
>I think this proves your point: drawscores influence other (nonzero) scores.
>However, along path B white has obviously not played the best moves.
>If white gets 0.10 instead of 0.40 there must be something wrong with either 2.
>Nf3 or 1. d4 or both.
>So, my question is: does this influence of drawscores minimax downto the root of
>the tree? My first thougth was no, my last (thought 31) is: I really don't know
>...

The answer is yes, as anyone who has seen the fail-high/fail-low effect in a
vanilla program with nothing special except hash tables can attest.

This was the subject of one of my first r.g.c.c. posts, in 1994.

bruce




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