Rob133700: This doesn't appear to be resolved?
G19 causes white F19, causes black F18 and therefore only one real eye.
If white plays F18 after G19, black plays F19, and again, the position is reduced to one eye.
jhubert: I disagree with your comment.G19 produces a kô and is not the solution.
This doesn't appear to be resolved? G19 causes white F19, causes black F18 and therefore only one real eye. If white plays F18 after G19, black plays F19, and again, the position is reduced to one eye.