Re: [computer-go] Ko and transposition tables

[Chris Fant <chrisfant@xxxxxxxxx>]

> Using your notation, notice that the value F (which presumably
> represents a stone at some location) is no longer a factor in the
> final cumulative hash.  This means that the cumulative hash will be
> the same no matter where move 3 is played.  Isn't this a problem?

Yes, that is a problem.  Thanks for pointing out that it was me who
was mistaken.  So a simple modification would be the following:

NewCumHash = (OldCumHash<<1) ^ BoardHash
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