Longest Ladder Problem

  Difficulty: Advanced   Keywords: Life & Death, Problem

The following problem called "Labyrinth" was created by Ralf Gering (at this time 5 Kyu) in 1984 and published in the Deutsche Go-Zeitung. Ralf also invented Electric Go.

The difficulty is to make the capturing sequence at least 300 moves long.

Black to play. Can he save his marked stone?  

The solution, which looks more like a spiral than a ladder, takes 314 moves.


Black to play. Can he save his marked stone?  

Another spiral ladder setup

Longest Ladder Problem last edited by on August 30, 2008 - 19:26
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