Beginner Exercise 112 / Solution

Sub-page of BeginnerExercise112
[Diagram]
White wins  

Confused: W1 increases the liberties to three for the white group; and after W3 Black needs an additional approach move at B4 before being able to play at a.

[Diagram]
Variation: this is not a ko  

Variation: black might play B4 trying to start a ko, but white still wins the capturing race (B8 at B4, W9 at a).

[Diagram]
Variation: Black trying to escape  

Variation: black might try to escape to the right. In that case white can stop him with the following sequence. A potential cut at a could be easily fended off by playing at b and putting the black group into atari.


Things that don't work

[Diagram]
Seki  

A seki isn't a good result, when White can kill instead.

[Diagram]
Death for White  

If Black is allowed to play at B2, the white group dies. It doesn't matter whether White played at W1 or at a, b, c or d.



Beginner Exercise 112 / Solution last edited by 77.180.173.178 on September 29, 2009 - 10:11
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