White to move (best move)
Black sente
Later is sente.
White komaster
When White is komaster she can connect at and then make a throw-in ko with to prevent seki.
White to move (second best move)
When White is not komaster this move achieves the same result as the best move. It is the possible throw-in ko that makes the 2-2 play superior.
Sub-pages (up)Attempts