Gun Eight
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Table of contents | Table of diagrams Gun Eight Main line Continuation 1: Seki Continuation 2: Ko Variation at 2: seki Gun Eight with outside liberties Gun Eight with outside liberties |
1. No outside liberties
When there are no outside liberties, this eight-point large eye shape can be turned into seki or ko. In this position a is the vital point.
/
makes seki.
/
does the same. (Though
indicates a desire to avoid ko. In that case Black's reply at
is not urgent.)
Seki is the usual result, but there is a throw-in ko.
White can throw a stone into the corner to make a two-stage ko.
Black can throw in at to make the same ko. However, this ko normally favors White, so Black will usually make seki.
2. Outside liberties
Thanks to the outside liberty, Black can atari at . Without that extra liberty,
puts himself into atari.
3. Endgame conclusions
When the last outside liberty is taken, the play on the 2-2 is normally a 3 1/2 point gote (Miai Counting).
Authors:
- BillSpight
- Some minor edits by Dieter, copying stuff from /Discussion.
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