Marshall Counterattack (1.e4 e5 2.Nf3 Nc6 3.Bb5 / 1.e4 e5 2.Nf3 Nc6 3.Bb5 a6) Chess Puzzles

The Marshall Counterattack is a chess opening strategy that arises from the Ruy Lopez, specifically after 1.e4 e5 2.Nf3 Nc6 3.Bb5. It involves Black sacrificing a pawn to gain rapid development and attacking chances against White's king.