RTGProblem101/Attempts

Some exchange.  

tapir: is sacrificing white stones for three black stones, if you want to do anything at all, consider at a.

Dead!  

The problem becomes easy after noticing that this shape is dead.

Also dead!  

and remove eyes in sente, prevents Black from connecting there to make a seki, also in sente, and removes Black's second eye.

tapir: is not necessary. To be seki the other black stones would need to live independently.

Timm: Indeed...

This problem reminds me of a recent Go Game Guru problem, in which having an extra false eye in the vital space similarly reduced it. The problem led to this shape :

White's dead.  

Even after White's still unsettled, while she obviously would have been alive if she had had a stone at a.

unkx80: Timm, congrats for solving the problem!

I guess to the old timers out there, this problem is too typical of my style. :)