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KanazawaProblem22

 

Kanazawa Solution 22
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[Diagram]
Diag.: The comb formation

Black 1 makes a comb formation, which is alive. Now a and b are miai.


[Diagram]
Diag.: Main line

After 2 and 3, it becomes obvious that a and b are miai.


[Diagram]
Diag.: Variation

After 2 and 3, it becomes obvious that a and b are miai.



[Diagram]
Diag.: Wrong 1

Black 1 seems a shapeful move, but actually it creates a bulky five. White 2 strikes at the vital point.



[Diagram]
Diag.: Wrong 2

Black 1 invites White to create a ko with 2.

Herman: Capturing at 6 with 4 would be slightly better, as it leaves 4 as an internal ko threat.



[Diagram]
Diag.: Wrong 3

Black 1 takes another seemingly vital point, but this diagram is rather a silly way to die.



Problem23
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