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KanazawaProblem35

 

Kanazawa Solution 35
   

[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 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 unconditionnally.


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

This exemplifies the proverb "Get strong at Gote". White dies in gote, the worst of all events, because Black can AlmostFill White's EyeSpace with a BulkyFive 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 AlmostFill 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 VitalPoint at 2. 7 at 4. 8 prevents the throw-in at A and kills White.



Problem36
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