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Descent
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Descent tesuji
Path: Tesuji   · Prev: DrivingTesuji   · Next: UnderTheStones
  Difficulty: Beginner   Keywords: Tesuji

The descent tesuji is a simple but easy-to-overlook way to gain a liberty, in corner capturing races:

[Diagram]
Black 1 gains a liberty.

It looks as if Black has lost this race, with three liberties against four. But B1 will create a shortage of liberties for White, who will have to spend an extra approach move:


[Diagram]
Black wins the capturing race.


[Diagram]
Mistake.

The hane at B1 is a mistake. White can force a ko with the throw-in at W2 followed by an atari at W4.



This move is sometimes called sagari in English, but according to John F. this term would not be used here in Japanese.

Bill: John can speak for himself, but, as I read his comments, he indicated that for descents to the first line, the term sagarikiri is preferred.
In any event, Segoe and Go Seigen refer to this particular tesuji as sagari in their Tesuji Dictionary?.

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Path: Tesuji   · Prev: DrivingTesuji   · Next: UnderTheStones
This is a copy of the living page "Descent tesuji" at Sensei's Library.
(OC) 2004 the Authors, published under the OpenContent License V1.0.