Remotely = far away Therefore, "remotely close" is similar to an oxymoron, but widely used. The person has made a guess to the answer to whatever the question is, but it is far from solved. "even" is an intensive modifier in this case part~parts: it would depend on how many sections of the question there are.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.