[Pachi] [Computer-go] MCTS and perfect endgame
jloup at gailly.net
Sun Jul 3 18:45:16 CEST 2011
> Suppose you have 5 valid point which lead to same result r.
> No matter how you play your winning percentage is (r-a)/ (b-a)
> where a lower bound of random komi, b upper bound of random komi, r is
> And (b-r)/(b-a) for opponent of course.
This is true only if a <= r <= b. You select moves with higher r, which is
what the parameter val_scale does. The cutoff b is similar to the
current parameter val_points. The question is which heuristic is better,
and this can only be determined by experiments.
2011/7/3 Leon Matoh <leon.matoh at guest.arnes.si>
> Only endgame, because else there is too much noise. Exact constants are
> variable, but easily determined by UTC (sure win/loss + somewthing for
> Also playout engine must be sufficient strenght. Pachi has problem with
> life/death seki, nakade so if there are such situations then you have to
> As of why it is obvius in next mail.
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