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Subject: Re: Test position Hydra-Nickel

Author: Dieter Buerssner

Date: 13:29:38 05/03/05

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On May 02, 2005 at 18:38:34, Uri Blass wrote:

>It seems that Hydra is losing 2-0
>It is probably relatively weak at long time control(Note that Nickel lost
>against commercial chess engines so they seem to be better than hydra at long
>time control)
>
>
>Yace seems to have big problems to solve it(programs may solve it by luck but
>It may be interesting if some program can see losing score for white after
>the game move 42.Kf1 or even after the next move of the game 42...Ke4)

I looked at the position at the time Kd2 was played. I came to the conclusion,
that Yace has no chance, to really see it in reasonable time - I mean order of
magnitude of a day here. However, as you mention, the move could be found by
luck. With some backwards analysis, I got a significant advantage for black (> 2
pawns, IIRC).

It does not mean, that an engine could not be smarter. I believe, it will be
very difficult, to find significant scores here; and if, the engine might have
too risky eval. But an engine might find a consistently better score for Kd3
compared to other moves, even if it is only 0.2 pawns or so.

Regards,
Dieter



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