Kanazawa Problem 22 / Solution
Solution
Variations
![[Diagram]](../../diagrams/12/ec6257a17bc9a0b6b7f80268f8fc5047.png)
Main line
After
and
, it becomes obvious that a and b are miai.
![[Diagram]](../../diagrams/17/3b47231981e3925f2926b4f85429a23b.png)
Variation
After
and
, it becomes obvious that a and b are miai.
Failures
![[Diagram]](../../diagrams/25/f38c2c6e28331139e378906954a1b0a3.png)
Wrong 1
Black
seems a shapeful move, but actually it creates a bulky five. White
strikes at the vital point.
![[Diagram]](../../diagrams/48/c29f734d0f2fc1a9c52123c49b43b929.png)
Wrong 2
Black
invites White to create a ko with
. Later ...
![[Diagram]](../../diagrams/12/3fd8e04946b12576d49c11f0846c3c28.png)
Later
... when Black recaptures the ko,
is an internal ko threat. Black must play
and White can recapture. Therefore, in the previous diagram
is better than a.
![[Diagram]](../../diagrams/41/7ad1024fe839e3b709a051a5c74c8692.png)
Wrong 3
Black
takes another seemingly vital point, but this diagram is rather a silly way to die.
Contributors
Problem 23
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