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2007-09-24
Problem diagram.
Black plays.
Source:
Qi Jing Zhong Miao #205 , an ancient collection of mostly kyu level life and death problems.
This problem is amazingly subtle for such a common simple position!
Analysis:
Myron Souris
Solution follows
(or click here to download SGF)
Correct.
Black 1 looks like a wasted move. But amazingly, through 7,
Black snatches a ko out of what initially appeared hopeless.
This kind of corner ko sequence is well worth remembering.
White variation.
Trying to avoid the ko with White 6 does not work.
Black 7 merely sets up the ko in another place.
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