Under The Stones Problem 8 / Attempts

Bill: I'm not so good at these things, but I'll give it a try, thanks to unkx80's big hint. ;-)

White to kill  

White to kill (ii)  

unkx80: I didn't find a refutation to your attempt, but there is something more direct. /Solution

Bill: Well, I thought was a better yose. ;-) Hmmm. well, maybe not. Under some conditions Black has sente to connect vs. my attempt that would not be sente under the solution.