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Contact play, diagonal away
  Difficulty: Dan level   Keywords: Shape

[Diagram]
Otake's play

In a 1995 game against Yu Bin, Otake Hideo played the highly-unusual B1 after the contact play WC.



This is not joseki: Black was very strong on the upper side and wanted sente to play at a and complete his formation.

[Diagram]
Continuation

These plays followed.



This idea of the 'diagonal away' is unusual.

[Diagram]
Answering the contact play

On general principles of shape, one expects Black at answer at a, b or c (the play at the marked point being bad shape).

Exactly this shape does occur in a number of tenuki joseki; for example

Charles Matthews



This is a copy of the living page "Contact play, diagonal away" at Sensei's Library.
(OC) 2003 the Authors, published under the OpenContent License V1.0.