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endgame coupling
Difficulty: Advanced
Keywords: EndGame
Here's an example.
Now White is in trouble:
Black will either be able to cut at a, or start a dangerous ko by cutting at b.
When Black played the marked stone, White must answer this way. The two white territories, on the left and right, are linked in a subtle relationship we can call 'coupling'.
After that White can defend territory easily. In this position the coupling effect is worth two extra points for Black. This is a copy of the living page "endgame coupling" at Sensei's Library. (C) the Authors, published under the OpenContent License V1.0. |