Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Nc3/3...Nf6/4. Nxe5

=Halloween Gambit= The Halloween or Müller-Schulze Gambit is an aggressive and complex gambit. White sacrifices a piece with the idea of central pawn storm, with the possibility of gaining time by driving back the black knights.

Theory table
'''1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe5'''