Sanrensei versus hoshi-sansan fuseki

  Difficulty: Expert   Keywords: Opening
Sanrensei against 4-4+3-3  

This is one of the nirensei openings in which B5 as black+circle to make sanrensei is still in favour. Is it a or b next for White?

Approach from 3-3  

W1 as an approach from the sansan corner is appreciably more common than at b, in pro games (perhaps 75%-25%). One reason why this may be can be seen at attach-crosscut in discussion of the follow-up on the top edge after the one-point pincer.

Follow-up after the joseki  

If we hypothesise the same joseki in the lower right, White has sente but no specially good way to employ it to develop on the lower side. Eventually Black is likely to play B1, and White's 4-4 point may end up guarding corner territory only.

Approach from 3-3 (continuation)  

Assuming W1 and B2, W7 can be at a, a territorial way to play, taking gote. Otherwise up to W9 is expected, though Black can then play a second pincer and White is under some pressure from Black's ippoji strategy.

Charles Matthews

Sanrensei versus hoshi-sansan fuseki last edited by CharlesMatthews on June 17, 2003 - 13:46
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