Beginner Exercise 203 / Solution

Sub-page of BeginnerExercise203

byorgey 15k:

I'll give it a try. (= This is indeed a cool problem.

Black to live.  

B1 is the proper solution.

Continuation 1.  

If white plays at any of the three points marked a, black captures at b, making the second eye, and the remaining two a points are miai to connect the eyes.

Comment: If white plays at the middle a, black could also play on one of the side a, making b and the remaining a miai. White has then the same amount of threats, but black has the chance to gain two additional points later if white tenukis.

Continuation 2.  

If white plays W2 instead, black must capture with B3. Black then captures the throw-in at W2 and a and b are miai.

Some failed attempts:


After W4 there is no way for black to make a second eye. B1 at W2 fails in similar fashion.


After B1, W2 takes away the second eye. Playing B3 at a does not help; black can capture W2 but still does not get a second eye. Playing B3 at b does not help either since white has enough time to escape.


B1 does not work either: after the exchange of W2 and B3, the throw-in at W4 dashes black's hopes for a second eye.

Beginner Exercise 203 / Solution last edited by on May 6, 2016 - 20:05
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