Petrov - modern attack - Steinitz variation
1. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qe2
White moves the king's pawn to e4. Black plays the king's pawn to e5. White develops the knight to f3.
Black develops the knight to f6. White advances the queen's pawn to d4. Black captures on d4 with the king's pawn.
White moves the king's pawn to e5. Black jumps the knight to e4. White moves the queen to e2.