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Kanazawa Solution 57
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White 1 threatens a double atari, in which case White escapes. Next White occupies the vital point at 3. In terms of life and death, the points A and B are now miai, while the circled point provides an eye.
If instead of 3 in the main line, White plays at 1 here, Black occupies the vital point. Up to 9, White lives with ko, for Black can start one at A. If we make the exchange of 3 and 4 first, this shape is a notcher with code 213WN, which White tries to make alive with 1.
For someone familiar with notchers, it is clear that White 1 is not the correct way to make it live. Black 2 becomes the vital point.
This White 1 fails: Black takes the vital point and reduces the shape to 6 in a row which is dead. Incidentally, if we make the exchange White A - Black B, this is a notcher of code 123NN.
If Black permits the double atari, after White 7 at the marked stone, he faces either the capture at A or the escape at B.
Back to Kanazawa Tesuji Series Path: KanazawaSolutions · Prev: KanazawaSolution56 · Next: KanazawaSolution58 This is a copy of the living page "Kanazawa Solution 57" at Sensei's Library. (C) the Authors, published under the OpenContent License V1.0. |