Compromised diagonals and joseki 4

  Difficulty: Expert   Keywords: Joseki

If Black here comes out with B1 after the unusual pincer white+circle, what happens?

Joseki? (Black 11 at a, White 12 at b, Black 13 at c)  

white+circle is played too rarely to recognise anything as joseki (except for B1 itself), but the sequence here seems to be one of the candidates, being the only one I saw more or less replicated (although in a game with a black stone at the marked point, so a was not played, while b was not answered).

This (W2+W4) is an example of how the staircase sabaki technique is occasionally used to attack.

Compromised diagonals and joseki 4 last edited by CharlesMatthews on October 15, 2003 - 10:56
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