Net Example 4

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    Keywords: Tactics

W2 here is a type of knight's move net.

This is an example from Sakata's Tesuji and anti-suji of Go.


Black can try to squeeze White into shortage of liberties; but after W10 there is atari at a.

ABunchaNumbers: As an ignorant amateur, I don't see why b doesn't do Black any favors: capture two stones, remove atari at a, and preserve atari at W8. It means that fighting continues, but seems to keep a hold on the corner at the least. I assume this wouldn't actually work, so I'd like to hear why. Thoughts?

-- firtree (KGS 15 kyu): Since black b is immediately answered by a, and the following capture - by filling the place of the unmarked captured black stone, this gives Black only one captured stone and no atari at W8. So these moves can only be considered as ko threats, and are usually saved for later play (or prevented by White's play at a or b in advance).

--TAB2 (19 Kyu): Dear ABunchaNumbers?, , white capture it with the 10 stone. You see?

Continuation of variation  

Black has three liberties, White four.

Path: <= Net =>
Net Example 4 last edited by TAB2 on January 19, 2017 - 18:29
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