Re: [computer-go] 2nd KGS Computer Go Tournament

[Arend Bayer <arend.bayer@xxxxxx>]

Hi Nick,

On Mon, 9 May 2005, Nick Wedd wrote:

> > Sure you can; if there is a dispute regarding a seki (one side claiming the
> > other is dead) you play it out. Now the proper playout is: pass; pass.
> > in which case, since neither side has made any non-pass moves,
> > the position is (correctly) scored as-is. And if one side does make moves,
> > then it's their loss:)

(...)
> I do not think anyone will try to add dispute-negotiation code to their bot.
> But if anyone is daft enough to do this, I shall insist that they keep it
> switched off for any event that I am organising.

I am not sure whether you are aware of the "kgs-cleanup_genmove" GTP
commands that wms introduced in kgtGtp to handle disputes in rated bot
vs human games. Basically, if there is a disagreement (with a game in
Chinese rules), the game is continued. However, kgsGtp sends the above
command instead of "genmove" (provided the engine has this implemented).
The meaning of this command is that the engine should not pass before
having taken away all dead enemy stones.

Contrary to your claims, at least GNU Go has this implemented, and it
seems to work well. I don't know about other bots, however.

> I do not trust bots (let alone pairs of bots) to handle genuine disputes
> correctly.  I do trust myself to handle them correctly.

That's besides the point. If a bot cannot remove dead enemy stones in
("cleanup-") play, then it doesn't deserve to have them scored as
prisoners.

Arend


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