Tsumego from Games 70

White to move  

tderz: White is a bit behind on points, even including komi (6.5 points), but luckily has sente.

/focus problem position in detail view
/attempts
/solution

kb: Hmm, I think the focus page focuses on the wrong area... ;)

I'll wait a while for others to try to find a solution (I think I see a quite nice one).

tderz: Yes, always trying out something there. Thank you!

/focus2
/attempts2
/solution2?