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Life and Death Intermediate Level Problems Erratum 1
   

This is problem 9 from Life and Death Intermediate Level Problems:

[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


This is a copy of the living page "Life and Death Intermediate Level Problems Erratum 1" at Sensei's Library.
(OC) 2004 the Authors, published under the OpenContent License V1.0.