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EnclosureTechniques

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UnusualEnclosures
FrameworkWorkshop
Butterfly

 

unusual three-stone enclosures
Path: EnclosureTechniques   · Prev: UnusualEnclosures   · Next: Pillbox
  Difficulty: Dan level   Keywords: Opening

Based on the 4-4 point:

[Diagram]
Diag.: 364463 enclosure

The 3-3 invasion here is a famous reading problem. See 364463 enclosure.


[Diagram]
Diag.: 364473 enclosure

The most common way for White to invade here is at a.

See BQM21 lower right for the 3-3 invasion. Its own page at 364473 enclosure.


[Diagram]
Diag.: 364474 enclosure

This doesn't seem well co-ordinated as far as taking the corner is concerned, but is seen in pro games.


[Diagram]
Diag.: 374473 enclosure

The butterfly.



If pros now make these enclosures, against traditional teaching, there could be several reasons:

  1. try for extra territory, despite worse aji;
  2. play a move more distant from the corner as a more effective checking extension;
  3. invite an invasion for useful thickness.

As part of the 'Korean style' (also seen in players such as O Meien), the use of this enclosure is probably more often because of reasons 1 and 2.


The 3554 enclosure is also a source of several unusual three-stone enclosures.


See also: pillbox, 355563 enclosure, 464464 enclosure, super pillbox, Three Crows, unusual enclosures



Path: EnclosureTechniques   · Prev: UnusualEnclosures   · Next: Pillbox
This is a copy of the living page "unusual three-stone enclosures" at Sensei's Library.
(OC) 2003 the Authors, published under the OpenContent License V1.0.