In message <[email protected]>, Fuming
Wang <[email protected]> writes
I found the game between Zen19 (white) v.s pachi2 (black) in round 8
quite interesting. A big pachi2 group (left side) was killed and
pachi2 kept adding stones to the dead group, while Zen19 seemed to
understood the situation and played only to prevent eye forming moves.
However, Zen19 failed two chances to prevent pachi2 from making the
group into seki. With this group alive, pachi2 should have won the
game, however, the official result is white (Zen19) win over resign.
Am I missing something? Why didn't Zen19 see the seki situation? and
why didn't pachi2 know that its group is already dead?
Here is my understanding of it:
The group is on the right side, not the left.
White killed it, probably before move 170.
Black wasted four moves (177, 261, 265, 281) enlarging it and leaving it
dead in gote.
At the end of the game it was still dead: White can kill by playing q6
to make the "coolie's hat" shape.
Even if the final position is scored with the dead group as alive in
seki, White is still ahead.
Nick
Best,
Fuming
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Nick Wedd [email protected]
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