[computer-go] Suicide in MC playouts

Christoph Birk birk at ociw.edu
Thu Feb 8 13:02:27 PST 2007


On Thu, 8 Feb 2007, Chris Fant wrote:
> When I added code to also prohibit multi-stone suicides in the MC
> playouts, I saw the appearance of infinitely long games due to
> unrestricted board repetition.  So I then had to add the 2x board area
> limit.  But I also saw a significant drop in strength and a
> significant drop in pps.

My program has this limit too, but there are VERY few games (<1 in 100000)
that have to be stopped. The typical game is more like 100 moves.
There must be a bug in the program if it plays better with suicide.

Christoph



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