Horel: I'm quite dubious with the ko threat :why only N10 and not G11 for example ?
posetcay: G11 doesn't work, black can't capture G13 store even if white doesn't answer. F13 and G12 seems to work but they make white's outside stronger compared to N10, so they shouldn't be the first choice.
I'm quite dubious with the ko threat :why only N10 and not G11 for example ?