[Computer-go] Seki in playouts

Petr Baudis pasky at ucw.cz
Wed Aug 8 04:31:08 PDT 2012

On Wed, Aug 08, 2012 at 12:07:43AM +0200, Erik van der Werf wrote:
> On Tue, Aug 7, 2012 at 10:34 PM, Michael Williams <
> michaelwilliams75 at gmail.com> wrote:
> > Could anyone describe the basic implementation for detecting some seki
> > in a fast enough way to be used in playouts?  I understand that it's
> > not practical to detect them all.
> >
> Just prevent self-atari unless it makes a basic nakade shape and the
> surrounding group doesn't have eye potential elsewhere.

That sounds simple, but "just" testing if a move is self-atari is not so
straightforward, with possible connections to neighboring groups etc.
Also, you must allow throw-ins.

But yes, proper selfatari testing is the way to prevent breaking seki.

				Petr "Pasky" Baudis

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