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KanazawaProblem20bSolution
Main line
Variations
This dies easily.
Deathe in bulky five. If Black continues with atari at a, White simply connects at
After
Resistance at
The black group dies as well: a and b are miai.
Failure
If White plays at 3 here, Black lives in seki: either he makes seki at a, or if White plays there, Black can timely capture her bent four.
With the clamp at
If White plays at a to prevent a seki, then Black plays at b to form a bent four living group.
After
White 4 here doesn't work... after
Same fate here if White chooses to take the ko at 5 instead. Mistake upon mistake upon mistake
In KanazawaProblem20 the marked stone was already a mistake. White's hane - as we now know - is another one and then White 5 makes miai of a and b: b would enable White to almost fill Black's eyespace with a bulky five and White a would make an eye inside Black's group. If Black rushes to capture White's stones, he's left with a farmer's hat space inside his group. KarlKnechtel (~14k) Can't Black also live by escaping with a monkey jump in this case?
No escape. --unkx80 Contributors This is a copy of the living page "KanazawaProblem20bSolution" at Sensei's Library. ![]() |