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Subject: Re: weird bug... help please!!

Author: Georg v. Zimmermann

Date: 01:16:20 07/23/03

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Unfortunately what Sune describes is really the only way .. :(. But trust me,
you will not only find the one bug you are searching for this way, but many
more. And your engine will get *stronger*.

Georg

>
>Debug from scratch, and add things slowly while testing each thing carefully.
>
>Are you sure your move generator is generating all the moves?
>You could accidentally be overwriting some of the moves while doing move
>ordering. I had that bug once, it was hell to locate, naturally perft didn't
>show it.
>
>Also no bug in nullmove, qsearch, in hashtables, in material counting?
>
>Write debug tools so you can trace these things and make sure nothing corrupts.
>
>E.g. I have macros to switch on/off all these things, makes debugging infinitely
>faster.
>
>good luck :)
>-S.



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