Value Of AMonkey Jump/ Discussion

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WTD: Thanks for the sequence Bill. It's not one I'd ever have thought of. Although the result is amazingly good after the 'fire and forget' monkey jump, it appears to be the same (Jigo) as that from m3, rather than being bigger.

Bill: If Black played consistently, rather than switching to the bottom in midstream, he would lose by one point.

[Diagram]
White wins  

B7 fills at B4.



[Diagram]
m3 main branch  
[Diagram]
m3 main branch cont'd  

In the main branch of m3, W avoids ko by playing W6 before W8, and B suffers from shortage of liberties.



Bill: W8 is bigger than B3. To be consistent, Black would play B7 at B8.

[Diagram]
Consistent jigo  

B9 fills at B4.

Black still gets jigo by winning the final ko.

Because it allows B7, W6 is locally inferior (given no ko threats on either side).

Thanks for that clarification Bill. I've added the 'bigger' diagram sequence (on the parent page) to problem [ext] 5633, and will give it a fuller final comment after taking on board the implications.


Value Of AMonkey Jump/ Discussion last edited by wtd on December 19, 2004 - 16:20
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