xela: Black has a couple of different ways to attack.
xela: is my first instinct, but black can kill unconditionally. (I need to solve more problems and sharpen my instincts!)
xela: White can not make an eye at a.
pwaldron: How about this way?
xela: Um, is this not the same as "variation 2" above?
pwaldron: Yup...sorry about that.