Driving Tesuji Problem 2 / Solution

Atari direction  

This is from a tricky joseki, as played by some low-ranking Korean pros. After W1, W3 will make something good happen for White here (a good empty triangle).

Charles Matthews

Joseki analysis

Out of the blue  

W6 here is not a move that is easy to find. (For current conventional play see 3-4 point low approach one-space high pincer, contact underneath). It was seen in a title game (game 2 of the Meijin match Sakata Eio-Fujisawa Hideyuki 1964-08-08). In earlier pro games (cf. Gobase) Black avoided replying at a, presumably because White at b is always going to set up some kind of driving tesuji.


This is how it went in that game.

Sakata-Fujisawa (continuation)  
Sakata-Fujisawa (continuation) 3 connects  

White ends up taking the corner.


The game An Tal-hun-Ko Kwang-myeong 1997-10-23 varied with Black 1 here, rather than at a.

An-Ko (continuation)  

That game went on in this fashion, with W2, B3 and W4 as given in the solution.


Analysis from 1964 was though that White could get a good result this way (this was reproduced in Modern Joseki and Fuseki). The corner is big, and Black's influence isn't perfect while White can play at a.

So, has this line been reassessed after 33 years or did it depend on the overall position ...?[1]

Charles Matthews

[1] It turns out that both variations are in the modern Igo Daijiten (my Korean version).

Driving Tesuji Problem 2 / Solution last edited by CharlesMatthews on May 28, 2003 - 11:21
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