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Subject: Re: To SB - Senator and draws by threefold repetition

Author: Jaco van Tonder

Date: 07:40:16 01/08/06

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>i cannot say i ever heard of this problem in the Senator or in any dedicated
>computer
>can i ask you...the games you are playing,what is the time control?
>perhaps this bug only surfaces in fast games or when the Senator is very short
>of time?
>highly unusual bug i think

In both games the Senator module was playing white, and it was game in 20
minutes time control - so it was reasonably fast. What was interesting is that
it appears as if the senator evaluation function did not realise that a draw by
threefold repetition was imminent - it showed the senator as being ahead by 2.xx
pawns, announced the move (causing the repetition of position) and on making the
move it announced that it was a draw by threefold repetition.

I'll try to see if I can get replicate it again, and I'll then try the senator
on a number of different time control settings.

Drawn into utter confusion regards,
Jaco



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