Petrov three knights game
1. e4 e5 2. Nf3 Nf6 3. Nc3
White plays the king's pawn to e4. Black pushes the king's pawn to e5. White develops the knight to f3.
Black develops the knight to f6. White jumps the knight to c3.
White plays the king's pawn to e4. Black pushes the king's pawn to e5. White develops the knight to f3.
Black develops the knight to f6. White jumps the knight to c3.