[Computer-go] effectiveness of transposition tables for go

Jean-loup Gailly jloup at gailly.net
Thu May 6 11:22:12 PDT 2010

> In MCTS there seems to be 2 different ways the "tree" is stored in
> memory, via a transposition table or via a tree structure (where
> transposition would not be noticed.)  Is that what you are talking about?

Yes. I am talking about a transposition table in MCTS, not alpha-beta.

Olivier Teytaud writes:

> we never compared, but I've been told that the difference is really minor
> in Go.  That's just a rumor :-/

I am trying to find out where this rumor comes from. Does anyone have
any measurement?

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