4-4 point low approach low extension, slide, pincer, 3-3

    Keywords: Joseki

This is a follow-up article for the 4-4 point low approach low extension, slide, pincer

Two ways  

The idea of the original pincer of black+circle 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.

Main line  

These plays are still the main line, though increasingly B2 is played directly at B4. White plays W5 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.

Staircase joseki  

W3 leads to the 4-4 Point staircase joseki

AI invention  

The forcing move and next allowing hane at the head of two is recommended by AI such as Leela Zero. After B10, White can tenuki.

Attach directly  

Omitting the exchange B2-W3 in the mainline, Black proceeds directly with B2 here. W5 removes the ladder potential. After W7, Black can play a or b.

4-4 point low approach low extension, slide, pincer, 3-3 last edited by Dieter on April 23, 2020 - 10:39
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