Re: [gnugo-devel] small plays at the end of the game

[Gunnar Farnebäck]

Dan wrote:
> GNU Go's policy is to fill all liberties, partly because filling
> a liberty is worth one point in Chinese rules, and partly because
> mistakes can be made while filling a liberty if backfilling is
> needed, so the best discipline is to play this part of the
> endgame out to the end.

I don't think that's what David's seeing. Almost all dame filling
moves are generated by the endgame database and are generally valued
in the interval about 0.1-0.2.

> Therefore there's the function fill_liberty() whose purpose 
> is to propose a move to fill a liberty. It is called from genmove:

My feeling is that fill_liberty() only occasionally generates a move
these days, typically in odd positions where backfilling is needed.

/Gunnar