Refutation of the Budapest Gambit
I offer here an excerpt from my analysis file concerning the Budapest Gambit. While "refutation" is a strong word, please take notice of my defition of it!
The key idea for white is the Nd2-e4 maneuver, if black allows it. If not, then life's still tough for him!
See the full analysis here - http://www.alexcolovic.com/2016/04/refutation-of-budapest-gambit.html