Hayashi Gembi's Loose Ladder

  Difficulty: Advanced   Keywords: Life & Death, Tactics, Problem
[Diagram]

Can white capture black's group with a? (191 moves including those in the diagram)

This problem was composed by Hayashi Gembi in 1811. The question is whether it is possible to capture the black group in the upper left, starting with a move at a. As the name of the problem indicates, this involves a loose ladder.


This is a copy of the living page "Hayashi Gembi's Loose Ladder" at Sensei's Library.
(OC) 2012 the Authors, published under the OpenContent License V1.0.
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