Re: [gnugo-devel] 9 stone games

[bump]

> Dan wrote:
> > Two elements of the patch may need discussion. I raised
> > the value of j patterns to 27. This is a guess and maybe
> > it's too high.
> 
> I'm frequently finding that the current 24 is too high. There are lots
> of j patterns which simply aren't worth that much.

Then we should not use that part of the patch.

> Yes, it's very likely harmful. There is fine tuning (the string
> connection bonus) which for late endgame moves is significant down to
> differences of about 0.02.

Right, in the endgame it could be problematical.

> A better solution if the randomness needs to be increased for specific
> moves would be to introduce a mechanism for this purpose. I'm thinking
> along the line of having a randomness_scaling field in the move data
> which initializes to 1 and can be modified (increased) from patterns
> through a helper or action line.

A very simple solution would be to supply increased randomness 
just for Fj and Ft patterns. You are right in that the endgame

> Btw, have you run the regressions for this patch?

They're running now. For the first batch, and up to heikki.tst
there were no changes. But I think I should revise the patch
taking your comments into account so I'll stop them at this
point.

Dan