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Subject: Re: Detecting three-fold repetition?

Author: Tom Kerrigan

Date: 14:34:56 07/17/00

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On July 17, 2000 at 15:33:28, John Stanback wrote:

>On July 17, 2000 at 13:40:28, Tom Kerrigan wrote:
>
>>I've had a number of requests to implement 3-fold repetition detection in TSCP.
>>It's also clear that TSCP would do better in tournaments (although that isn't
>>the goal...) if it could detect these draws.
>>
>>So the question is, is there an easy way to do the detection?
>>
>>In my "strong" program, I just compare hash keys. But TSCP doesn't keep hash
>>keys and I have no intention for it to do so. So is there another way to do it?
>>
>>Thanks in advance.
>>
>>-Tom
>
>Tom,
>
>Here is a routine that I used in gnuchess a long time ago.  The

This is very cool, John. Thanks.
I will put it in TSCP, with credit to you.
-Tom



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