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Beginner Exercise 16 Solution
The key is at 1, making a tiger shape. Notice that black cannot play at a.
If black 2 blocks, white 3 sagaris and secures one eye. If black 2 at 3, then white 2, black a, white b, black c, white d, and white still secures the eye on the right side.
The interesting part comes when black 4 attempts to destroy the other eye. However, white can play as in Beginner Exercise 19, making the throw-in at 9 and capturing three black stones in a connect-and-die to form the second eye. Subsequently, if black a, white b ataris.
White 1 (or a) trying to expand the eye space fails instead. The wedge? at 2 is the vital point, and is a common killing technique. Now it is not possible to make a real eye on the left side.
Six die but eight live, so connecting at white 1 does not work either.
This is a copy of the living page "Beginner Exercise 16 Solution" at Sensei's Library. (C) the Authors, published under the OpenContent License V1.0. |