yaya: The tree shows three "correct" solutions, but one is connection only by Ko in case of best white answer. Inferior answers leeds to connection without Ko. So the Headline should be "Connect by Ko"
Fupfv: May be, it should be "Connect by Ko with first move O4, then N3, N2..."? =)
The tree shows three "correct" solutions, but one is connection only by Ko in case of best white answer. Inferior answers leeds to connection without Ko. So the Headline should be "Connect by Ko"