The Marshall Attack is a chess opening characterised by the moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 The Marshall Attack is an aggressive line in the Ruy Lopez, where Black sacrifices a pawn by... Wikipedia