Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Null Move Pruning and Draw Detection

Author: Richard Pijl

Date: 11:46:34 01/15/03

Go up one level in this thread


>I have to check it again. I know that the version of a few months ago did _not_
>detects draws after a nullmove, except when the repetition happened after
>playing the nullmove (I reset the fifty move counter to 0 on playing a
>nullmove). And as repetition detection also uses the fifty move counter (no
>point in looking at positions before a pawn or capture move) it basically turns
>off both 50 move draw and repetition detection
>I know I have been toying with it some months ago, but I don't remember what the
>result was. I'll check when I get at home.

I checked it now. I still set my fifty move counter to 0 after a nullmove, so I
never return draw on a repetition after a nullmove.



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.