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Magic Of Go Solution 3
    Keywords: Problem

[Diagram]
Diag.: Clever play

White 6 elsewhere.


Black 1 is a clever tesuji. After Black 5 the local temperature drops to 3 1/3 points.
Later Black 7 - White 8 is sente. If White 8 at a, White later needs a protective move.
After White 8 the local temperature has dropped to 1. A play at b has a miai value of 1, a play at c has a miai value of 2/3.

Black 1 has a miai value of 4 1/6.


(Note: While I am criticizing published solutions with incorrect values, getting them right is not always easy. This is my second version. In an earlier one I was off by 1/6 point.)

-- BillSpight



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