TwT: Thank you, posetcay The hint before was like (connection and separation). A plain "x to kill" sounds best, however, rating increased steadily. A recurring topic: How much hints to give?
In a best possible world I hope for a consensus leading to some "rules of governance" so we not have to rediscuss the same question. If you want make it "plain".
guile: The ending of the seq and the way to prevent the escape (see comment from Master Ivan below) is not obvious. I will add some seq to highlight the 2 correct moves in the tree. If our Masters can give their thoughts about the continuation it would be fantastic :)
posetcay: I wouldn't really say G5 is inferior to F5, it reverts to basically same shape after opponent cuts.
Why can I answer here?