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Subject: Re: draw detection anomalies

Author: Reinhard Scharnagl

Date: 03:14:44 11/23/05

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Hi Richard,

> The Baron uses a combination of both: On a repetition that happens in search
> (including root position), the Baron scores that repetition immediately as 0,
> but when including the full game history, it requires a second repetition
> before a drawscore is returned. That allows the program to repeat a position
> to try another continuation without showing repetitions in the PV before doing
> something useful.

SMIRF regularly is locking positions, when a move has been made from there.
But like you reported, before starting a calculation only those positions will
be locked, which already have occurred twice in history.

Regards, Reinhard.



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