Endgame Problem 9 / Attempts

Weak points  

Ed?: Black has a couple weak points at 'a' and 'b'.

Black resists  

Black is unable to resist by blocking with .

Attack 'b'  

This attack is a little stronger than the previous one.

Attack 'b' black alternative  

The other move black has to save the marked stones is here. But black loses even more in the corner. After white connects at 'c' black must live at 'd'.

Almost sente  

Bill: - is fairly large, about 8.7 points.

Large gote  

connects at .

is almost as large, about 8.4 (8.5 points when White is komaster). So White will often be able to play here with sente.

Later - is sente, and even later - is sente.