Jonathan Schrantz demonstrates the Halloween Gambit (also known as the Schultze-Mueller gambit), where white captures the e5 pawn in the Four Knights. Is it really horrible and just a gimmick? Yes.
Mic interference ends around ten minutes in.
2016.10.17
Grigor Minchev vs Aleksandr Petrov, TCh-BUL (1994): C46 Four knights, Schultze-Mueller gambit