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BQM21Prologue

 

BQM 21 Lower Right
    Keywords: Life & Death

[Diagram]
Diag.: Black plays first

DaveSigaty: Black 1 is not the only entry point in this formation but it is one of the basic starting points. What happens next? Should Black start elsewhere instead?



[Diagram]
Diag.: Black lives

DaveSigaty: White 2 on the wider side is perhaps natural. Black 3 will allow Black to live. White 4 is one of a variety of counters but there is no way to prevent Black from living if he is willing to do so on a small scale in gote.


[Diagram]
Diag.: Black lives in seki

This is perhaps White's strongest attempt to prevent Black from living. However, Black forms a seki with no problems.


[Diagram]
Diag.: Black ko

This ko with Black 3, 5, 7 is another very common idea for invading under a small knight enclosure. It is a more aggressive approach than just seeking a small life. Black is happy either to live on a larger scale via the ko or take a suitable profit elsewhere in exchange for the corner.

In this particular case where White has played the large and small knight combination, White has a problem trying to eliminate the corner aji. Black need not be in a rush to invade because there is no efficient follow-up play for White here that will prevent an invasion. Note as well that in all the variations above the marked white stone is not well placed.



This is a copy of the living page "BQM 21 Lower Right" at Sensei's Library.
(OC) 2003 the Authors, published under the OpenContent License V1.0.