The Magic of Go Yomiuri Shimbun / Problem 3 Solution

Clever play  

elsewhere.

is a clever tesuji. After the local temperature drops to 3 1/3 points.
Later - is sente. If is at a, White later needs a protective move.
After 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.

has a miai value of 4 1/6.

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(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