On Tue, May 10, 2011 at 12:02:42PM +0100, Nick Wedd wrote:
> 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.
Eh, of course you are right. I saw that in the game, then now I thought
I was wrong and now I'm wondering how could I miss it. ;-)
--
Petr "Pasky" Baudis
UNIX is user friendly, it's just picky about who its friends are.
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