Beginner Exercise 147 / Solution

Sub-page of BeginnerExercise147

Solutions

There are many ways to kill unconditionally.

They have subtle differences in 1) number and value of ko threats and 2) number of liberties (including ko shapes) - the topic would be beyond the beginner level.

[Diagram]

Solution 1

B1 hane reduces it to a bulky five. For any other white response, just play B3 at W2.

[Diagram]

Solution 2

B1 clamp also works. Note that B3 at W4 allows a throw-in ko. And that the result after B5 is not seki.

[Diagram]

Solution 3

B1 placement also kills.

[Diagram]

Solution 4

B1 here kills too, but it gives more ko threats.


See also:



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