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Kanazawa Solution 35
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[Diagram]
Diag.: White lives

White 1 involves some sacrifice tactics.



[Diagram]
Diag.: Main line

White sacrifices a stone at 1, and then proceeds making two eyes by capturing 2 and 4, sacrificing the marked stones.



At several stages, White can make a mistake.

[Diagram]
Diag.: Mistake at move 7

It's tempting to protect the marked stones, but Black 2 makes it ko. If White connects at a, Black b kills unconditionally.


[Diagram]
Diag.: Mistake number 2 at move 7

This exemplifies the proverb "Get strong at Gote". White dies in gote, the worst of all events, because Black can almost fill White's eyespace with a bulky five at any time.


[Diagram]
Diag.: Mistake at move 5

At move 5, White can make more or less the same mistake. Black can start a ko at a or b.


[Diagram]
Diag.: Mistake at the first move

Simply connecting is not good enough. After Black 4, Black will be able to almost fill White's eyespace with a killing shape.


[Diagram]
Diag.: Mistake 2 at the first move

Maybe this 1 is a candidate that comes to mind. Black grabs the vital point at 2. White 7 at 4. Black 8 prevents the throw-in at a and kills White.

Charles Matthews Err - isn't White dead in gote here? Does the threat of White at a do anything?



Problem36
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