In message <[email protected]>, Rémi Coulom
<[email protected]> writes
On 20 févr. 2011, at 22:00, Hideki Kato wrote:
Erik van der Werf:
<[email protected]>:
AFAICS this (japanese-test-7.sgf) is simply not a final position. If
white plays first at least there's a ko and he will probably capture a
lot of black stones. Moreover, I think officially the group would be
in seki if the dame are not filled (so then none of the intersections
around S6 are territory).
Yes, the game is not finished. White can capture T18 with a ko fight
in this position. Current Japanese rules force the players fill all
dame's before finishing a game.
Oh, I did not know that. That would simplify my job a lot.
It seems a lot of people still don't fill dame, though. I looked at
some recent games on gobase, and even pros don't do it apparently:
http://gobase.org/replay/?gam=/games/japan/titles/honinbo/65/game-02.sgf
&off=null
KGS players usually don't do it either.
Indeed. The Japanese rules require the players to fill all dame points.
They also state that if a dame point remains at the end of the game,
territory enclosed by the groups bordering that point are also dame, not
territory. Many players are unaware of this, and leave unfilled dame
points at the end of the game.
Nick
And, as a terinology, we never call S6 dame. A dame must be in a
boundary of the territories (ie, never in a terrotory). Just Black
has to play S6 (or around) before the game ends, in this case.
Hideki
The pro games in Dave's database don't have this property at all !
Rémi
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Nick Wedd [email protected]
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