jhubert: A third move on D18 seems also to be a solution which needs a sequence. I agree that it seems less good that the best sequence
posetcay: You mean D16 at D18? But then black would only be able to kill part of the group. I can add a sequence but I disagree that it should be accepted as a correct answer.
A third move on D18 seems also to be a solution which needs a sequence. I agree that it seems less good that the best sequence