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Subject: Re: LG2000a vrs Crafty

Author: Bernhard Bauer

Date: 07:14:16 10/04/99

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>>
>>Game 17 looks odd:
>>1. d4
>>{White mates} 1-0
>>
>>
>>So my impression is that Crafty is stronger than LG2000a.
>>Kind regards
>>Bernhard
>
>
>There are some subtle places where timing can screw up.  IE take this:
>
>white wins (crafty) and the first thing it does is to go adjust the learning
>stuff (maybe) after playing the move that leads to mate.  Then black realizes
>that he is mated and tells xboard, which promptly declares the game a win for
>white and tells both to start a 'new' game.  Meanwhile, white has finished the
>learning cycle, and now tells xboard that it won.  IE in _any_ winboard/xboard
>tournament, you need to examine the pgn file for each game to be sure that the
>result given was correct.  This is a problem that is not easy to fix.  It might
>be better to use the -xreuse option so that both programs get restarted after
>each game, which means the communication pipes get reset (hopefully) before each
>game to prevent this timing glitch.
>
>Else it would be better if xboard declared the wins/losses/draws and totally
>ignore a program's claim, to avoid this...

Good to know, so I will use -xreuse for future matches. BTW, on a decent system
(linux, winnt, ...) ponder=on should be the better way to run such a tournament.

Kind regards
Bernhard



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