Beginner Exercise 121 / Solution

Black getting entangled in a net  

After , White can catch Black in a net with . and can be exchanged without changing the result.

Correct play for  

Black should have played at .

Correct play for  

Brent: Then what? How does Black continue after ?

ProtoDeuteric: I believe that a play next to , on the edge, would be in order.

Protect, anyway  

at .

Because will force a protective move, anyway. Even if Black can play - with sente, Black will have to play .

OTOH, if Black plays at a, he threatens , saving .

It is a very close call. Depending on the rest of the board, could be better.

See One-Two-Three.

at  

Gronk: I was surprised not to see discussion of the possibility of ko.

Ko  

Gronk: Therefore, at is safer.