KyuExercise34/Attempts

Mef: I've stared at this for a while, and the best I can find is a sente reduction for white:

2 at 8  

looks like the only move because otherwise back gets an easy eye. forces , and after , all white can get from this is capturing the 2 stones.

JoelR: I think White can kill. Black above doesn't work, because White can fill, leaving a dead shape. Black must eventually fill the weakness at .

Mef: If black immediately fills , then black will have 2 eyes by capturing at A. If white plays A, then it's no longer a dead shape and black lives by capturing at B

Dead shape 1 (2@5)  

Dead shape 2  

One more