Beginner Exercise 199 / Solution

Sub-page of BeginnerExercise199
[Diagram]

White to live

Kuolema: After 1, black must play at 2 to to prevent snapback. Then white wins the semeai.

unkx80: Not wrong -- but presentation could be improved.
(1) I expect a variation when B2 is played at...
(2) What's up with B6 and W7?


[Diagram]

White to live

ChrisSchack: Such as, B2 could be at any of the points marked a, to connect. However...

[Diagram]

White to live

and W has two eyes. It's more reasonable play by B, instead of giving up all the stones.

Bill: This is slightly better for White.

[Diagram]

Capture B4


[Diagram]

Failure

EricBackus: OK, it's obvious to me now. But I initially thought that W1 was a sub-optimal solution, similar to the correct solution posted above. Of course, it's really a failure, because of B6 at a, which lets black live and white die.



This is a copy of the living page "Beginner Exercise 199 / Solution" at Sensei's Library.
(OC) 2007 the Authors, published under the OpenContent License V1.0.
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