5.6. What is a false eye? (Go)
Description
This article is from the Go FAQ, by Morten PAHLE gofaq@pahle.org.uk with numerous contributions by others.
5.6. What is a false eye? (Go)
To live, a group needs to have, or to be able to make, two 'real'
eyes. A false eye is an eye which may have to be filled in because one
of the stones or strings creating the eye can be put into atari.
In the example below, both white groups are dead; the leftmost eyes of
both groups are 'false':
|. . . . . . . . . . . . # # # . . . .| |. . . + . . . . . + . # . . . # # # #| |. . # # # # # . # # # . . O O # O O O| |. # # O O O O # . . . # # # O O . O .| |. # O . O . O # . . . . . # # # O O .| +-------------------------------------+
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