What is the Classical Variation?
To start: White moves this pawn forward
Black responds by moving this pawn forward
White then moves this Knight
Black replies by moving this pawn
White replies by moving this pawn
Black takes d4-pawn
White’s Knight takes d4-pawn
Black replies by moving this Knight
White responds by moving this Knight
Black replies by moving this pawn forward
White moves this Bishop
This is the Classical Variation