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BlindSpot

 

Blind Spot Example 2 Solution
    Keywords: Tactics

[Diagram]
Black first to kill

unkx80: The blind spot is 1. Now White cannot capture the marked stone.



WarEagle: I did not believe this statement, but now I do.

Also, White wants to live, not capture the marked stone. White has one eye at a. Thus White can live by enclosing the upper area.

Here are some failed variations for White. But they give Black opportunities to let White escape.

[Diagram]
Black first to kill

White 2 is Variation 1. White 2 at z is Variation 2.


[Diagram]
Var 1: Black stumbles, White lives

Black can stumble, with simple moves as shown.


[Diagram]
Var 1: Black kills

Because of shortage of liberties, White cannot block at b or prevent Black connecting at b then c to destroy one eye. White cannot even get a ko (that I can find).


[Diagram]
Var 2: Black stumbles, White lives

This cut at Black 3 does not work. White 4 could be at d.


[Diagram]
Var 2: Black kills

White cannot block at e, since Black at f would kill.



jesusin: Black 1 here connects and spoils all of White's eye space. White can not cut at a because of b. White c instead does not work because a next is atari.

[Diagram]
Black first to kill

[Diagram]
Sorry, not this way

unkx80: Sorry, not this way...


[Diagram]
Sorry, not this way

Instead, Black's liberties come out short.



This is a copy of the living page "Blind Spot Example 2 Solution" at Sensei's Library.
(OC) 2003 the Authors, published under the OpenContent License V1.0.