(13 years ago) Very good level ! 9 tries. A nice 2 off, too. :)
EDIT 2023, 25th June: This level has TWO cuts, that I would NEVER expect to be shorter. So very optically deceiving. :))
Got it straight... For me the key was to spot immediately that only one way to go can work, and I optimized it on the go for a direct winning (as I used undo, make it 2 or 3 tries).
So, one hint from my side: it's a puzzle that can be solved before to start by studying a bit. :)