4-4 point low approach attachment, 3-3 invasion

  Difficulty: Expert   Keywords: Joseki
Immediate 3-3 invasion  

Suppose White invades in answer to black+circle.

This occurred in a game Yi Sang-hun-Kim Mansu (B) 1995-05-01.

It also was seen in the recent game O Rissei-Alexandre Dinerchtein (B).

Black takes the bulge point  

It is expected that Black will play B1, as in that game, for the sake of good shape.

Now the game from 1995 had White next at a. What was played by Dinerstein was the move at b (which he said in his commentary had been played by Yi Ch'ang-ho against Hane Naoki).

Clearly what happens next depends very much on the adjacent side positions.

Charles Matthews

c and d have also been played by professionals in this position. However, there are too few games, and too early differences between them for me to call anything a joseki. - Andre Engels

Andy Pierce: I recently got a good result playing this as white in a handicap game. By attaching, black wanted to settle the position early and put a good chunk of territory in the bank. I invaded at 3-3 primarily to deny black his intent and give him something unexpected to think about. I also found the residual aji of white+circle to be useful, although I never actually tried to move this stone.

4-4 point low approach attachment, 3-3 invasion last edited by AndyPierce on January 2, 2007 - 05:23
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