Unusual enclosures and tenuki variations

    Keywords: Opening, Joseki

BobMcGuigan Many of the unusual enclosures come from standard joseki patterns (pincers, taisha, etc.) with the white stone removed. For example;

comes from

[3-5 point low approach one-space low pincer]  

Charles A bad tenuki, though, since Black a is strong: see 3-5 point low approach one-space low pincer, tenuki. See 3563 enclosure for White attacking at a instead, the apparent vital point.


comes from

Charles This is noted at 3564 enclosure - another way was seen in a recent Korean pro game.


This was the start of An Younggil-Ch'oe Ch'eol-han (B) 2003-02-19. By the time B5 was played, that corner looks like the 3-3 invasion of the 3564 enclosure.

But the previous diagram shows the usual invasion point.

Other ones of the patterns on unusual enclosures come from pincer joseki with the white stone removed:

comes from


Charles Noted at 3473 enclosure.


3493 enclosure  

comes from

Three-space pincer  

In most of these cases of unusual enclosures, if White were to invade the black formation at a natural point it would result in a position equivalent to White having played tenuki against a pincer.

Unusual enclosures and tenuki variations last edited by on January 27, 2006 - 21:53
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