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KanazawaSolution74
Path: KanazawaSolutions · Prev: KanazawaSolution73 · Next: KanazawaSolution75
Main line: Hashimoto Utaro
White captures three to make an eye. Black can't protect there because of damezumari. Variations
If Black 8 at 1 here, cutting at 2 makes miai of a and b :
Capturing at 4 makes a second eye at the marked stone. Black can't play 7 at a.
Here too White makes two eyes at the circled points.
If White connects at 1, the atari at 2 is sente (see next diagram) and White 4 makes a bent four living shape.
If Black 3 here, capturing three stones with 4 assures a quiet life. Even if Black throws in at 5, White is alive with a and b being miai.
Giving atari this way would not be very smart. White now captures either at a or at b.
Black 9 at 6. The variation is long, but up until 1 in this diagram it is forced and the 2-5 exchange is well known. White has to find the throw-in at 6, though.
(Black 11 at 8.) Maybe it is simpler to play White 2 here and fire off the sequence 4-10 then. FailuresWe will have a look at some preparatory moves: why White should not yet start the well known sequence.
If a has not yet been exchanged for b, White runs out of options. Whatever she does, Black will connect at c.
Blocking here is not sente: Black can take time to hane. White can't makes an eye in the corner because a and b are miai for Black. If White 3 at b then Black 4 at a and there are only false eyes in the corner.
The sequence becomes lesser effective the more preparatory moves are omitted.
See previous diagrams.
Path: KanazawaSolutions · Prev: KanazawaSolution73 · Next: KanazawaSolution75 This is a copy of the living page "KanazawaSolution74" at Sensei's Library. (C) the Authors, published under the OpenContent License V1.0. |