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Subject: Re: Endgame code - I need your help :)

Author: José de Jesús García Ruvalcaba

Date: 11:37:05 02/14/00

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On February 13, 2000 at 06:04:43, Colin Frayn wrote:

>>>Anyone who actually plays chess well or has written a good endgame code should
>>>be able to help me - what is wrong?  I know that my program clearly isn't
>>>looking far enough ahead, but that's irrelevant - the moves it plays are just
>>>boring and unadventurous.  Any suggestions for improving it?
>
>>	You need a bonus for advanced passed pawns. Most of the time, a passed pawn is
>>more valuable as it is nearer to promotion. Be careful with general rules like
>>this, as they have many exceptions.
>
>I have this - in fact I have lots of such bonuses.  Do you reckon they're too
>small then?
>

	Judging by your engine's play in that game, I would suspect you have a reversed
sign somewhere (i.e. a penalty instead of a bonus).
José.

>>	For general endgame advise, I recommend Jonathan Speelman's «Endgame
>>Preparation». It has many thumb-nail rules, which are often overly simplistic
>>and thus are far from universally valid, but for the same reason should not be
>>difficult to incorporate to your engine.
>
>Thanks - I'll have a look at that.
>
>Cheers,
>Colin



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