posetcay: @Ivan Detkov: Marked F17 as correct also because even though it is slightly inferior to F16, it is at least as good as E18 if not better. I think we either accept all 3 as correct or only accept F16 as the answer.
posetcay: I am not sure about this tsumego, what is the point of cutting at P2 directly? Opponent doesn't need to answer immediately and can come back to play O3 anytime, in which case P2-O3 becomes a point-losing exchange. Both O3 and O4 should also be correct here, as long as black doesn't get cut, P2 doesn't provide any extra value.
Ivan Detkov: F17 is not looking good. There is no need to allow the connection without any gain in thickness. Otherwise, I agree. Solid F16 feels like the best move.
OK