[Computer-go] Komi and the value of the first move
caalbe at wm.edu
Wed Apr 7 04:04:45 PDT 2010
Nitpick: it doesn't necessarily give the players an equal chance of winning,
it just makes perfect players tie. Equal probability of winning is likely
not achievable in go (though it would be a poor game if it weren't at least
On Wed, Apr 7, 2010 at 06:11, Nick Wedd <nick at maproom.co.uk> wrote:
> In message <85BF1F3D394747E0B5B6383A2F34B2B9 at homepc1d6062ef>, Aja <
> ajahuang at gmail.com> writes
> I couldn't find the article again where I read that 20 - 30 points was an
>>> accepted value for the first move.
>> If you mean 19x19 and the first move is played in the corner, then its
>> value is around 10 points.
> I think it's closer to 14 points.
> That's why we generally regard 1 stone handicaped = 10 points.
> Those who regard each handicap stone as worth 10 points are, I believe,
> mistaken. The first handicap stone is worth the same as the correct komi,
> and each subsequent handicap stone is worth twice the correct komi.
> But if the first move is played in the center or the edge, then its value
>> is lower than 10 points. So, actually the value of the first move depends on
>> the location it is played.
> I believe that an opening move on, say, a 4-4 point is worth about 14
> points. An opening move on a 4-10 or a 10-10 point may be worth slightly
> less (though I have seen no convincing evidence of this), but still more
> than 10 points.
> Nick Wedd nick at maproom.co.uk
> Computer-go mailing list
> Computer-go at dvandva.org
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