4-4 Point 3-3 Invasion, Armpit Hit

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Armpit hit, an attack approach  

The armpit hit of B1 is a special continuation for when Black has superior outward influence and intends to either kill or severely attack White. W2, then B3 begin the typical continuation, followed by a running battle for White's life. White cannot live by playing W2 at a due to a tesuji.

Armpit hit, Black's tesuji  

White cannot live by playing W2 due to Black's tesuji at B5. The diagram shows one possible continuation after Black's tesuji. White may attempt to cut at a or b, or clamp at c, however in order to initially play B1, it was assumed that Black's outside influence was already sufficient enough to handle any running fight. If these continuations are viewed as too dangerous for Black, then he could even pull back at d, instead of playing B3. Therefore, these resistances by White are likely to fail.

4-4 Point 3-3 Invasion, Armpit Hit last edited by yuzukitea on September 10, 2021 - 22:52
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