Xuanxuan Qijing Problem 243 / Attempts

Black to play

xela: Can black connect out with ?

Variation 1a

xela: This is ko? Edit: silly me, no ko, white a puts two stones into atari. I guess this counts as a failed attempt then :-/

Variation 2

xela: I've no idea what happens next, but I bet it's interesting!

The easy bit (i)
The easy bit (ii)

xela: If at a, black still plays ; white dies either way.

Black to play

fractic: unkx80 gave away the first move. It looks passive but it works. is the most tricky answer and I think is the only move. After Black can capture either or . If is played one space to the right then Black can rescue by just playing ataris.

Black to play

fractic: If then Black ataris his way out. Notice the importance of the liberty at .

Black to play

fractic: leads to a variation similar to the first. White ends up with a whole bunch of false eyes.

Dieter came up with about the same responses.

White's response (1)
White's response (2)
White's response (3)
White's response (4)
White's response (4 cont)

Xuanxuan Qijing Problem 243 / Attempts last edited by Dieter on December 2, 2008 - 23:51