4-4 point low approach low extension, slide, pincer, 3-3
This is a follow-up article for the 4-4 point low approach low extension, slide, pincer
The idea of the original pincer of
is to gain influence. There's a forceful way to do so at a, involving a ladder potential, and a more moderate way at b.
These plays are still the main line, though increasingly
is played directly at
. White plays
for ladder aji.
After these moves, Black needs a further play here. If the ladder works Black can play at b (and then will need to capture shortly).
It seems, from pro games, that this is a subtle discussion:
- this variation is played even when the ladder is bad for Black, and Black must play a now;
- even if the ladder is good for Black, Black may anyway play a.
Naturally the evaluation of the position after Black at a must depend on the prospects in a fight if White's cutting stone escapes.
On the left side, black c might be a useful sente move, answered with white d.
The forcing move and next allowing hane at the head of two is recommended by AI such as Leela Zero. After
, White can tenuki.
![[Diagram]](../../diagrams/34/f338a63a0b1ced86f530edeb544d0d2e.png)
![[Diagram]](../../diagrams/28/26201ec1b25a0c1ef76e44395b797e27.png)
![[Diagram]](../../diagrams/21/0ce95d16c565e2f461301f47838220cb.png)
leads to the ![[Diagram]](../../diagrams/3/f316cfb3e933ad5abfaa5ebd062965fc.png)
![[Diagram]](../../diagrams/22/822894ea34cf2bd1b4326e9508b87242.png)
, Black can play a or b.
2024 the Authors,
published under the ![Sensei's Library [Welcome to Sensei's Library!]](../../images/stone-hello.png)