LifeAndDeathIntermediateLevelProblems/Errata

unkx80: This is not an errata, and is discussed in Beginner Exercise 152. Page delete request.


Table of contents Table of diagrams
Problem 9: White to Kill
Problem 9: Book solution, part 1
Problem 9: Book solution, part 2
Problem 9: Book solution, part 3
Problem 9: Alternate Solution
Attempt #1: Fails
Attempts #2: Fails


Problem 9

[Diagram]

Problem 9: White to Kill


The book solution requires 11 moves as shown in the next three diagrams.

[Diagram]

Problem 9: Book solution, part 1

[Diagram]

Problem 9: Book solution, part 2

[Diagram]

Problem 9: Book solution, part 3


By contrast the proposed alternate solution requires only 5 moves but yields a position with a big eye at the W1 and W3 stones.

[Diagram]

Problem 9: Alternate Solution


If B4 at W5 I see no way for white to kill:

[Diagram]

Attempt #1: Fails

[Diagram]

Attempts #2: Fails


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(OC) 2004 the Authors, published under the OpenContent License V1.0.
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