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KanazawaProblem38

 

Kanazawa Solution 38
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Authors:

Main line: HashimotoUtaro 9p
Variations: HolIgor, DieterVerhofstadt 1k

[Diagram]
Diag.: Main line


[Diagram]
Diag.: Variation 1: an eye in the corner

If Black answers at 2, White has 3 makes miai of A and B for life.


[Diagram]
Diag.: Variation 1a (continuation)

Demonstration of 5 giving two eyes.


[Diagram]
Diag.: Slightly worse

White can also live by playing at 1. Black removes the aji with 2 and gets two points more compared to var 1a.


[Diagram]
Diag.: Slightly worse 2

If White starts here, than a sequence similar to variation 1a makes Black one point better off. Looking back at 1a, it would be as if White afterwards exchanges 1 for 2, which effectively gives away 1 point.


[Diagram]
Diag.: Wrong

White must be very careful not to play 3 in reply to 2, because Black 4 kills her.


[Diagram]
Diag.: Variation 2

What about Black playing the MonkeyJump rightaway ?


[Diagram]
Diag.: Variation 2 (continuation)

White cuts at 3 and after 9, Black can't play at A because of damezumari. BTW, White 3 at 4 would be a mistake.


[Diagram]
Diag.: Mistake in Variation 2


Problem 39



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