Four knights - Rubinstein counter-gambit Maroczy variation
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Be2 Nxf3+ 6. Bxf3 Bc5 7. O-O O-O 8. d3 d6 9. Na4 Bb6
White pushes the king's pawn to e4. Black advances the king's pawn to e5. White develops the knight to f3.
Black develops the knight to c6. White jumps the knight to c3. Black moves the knight to f6.
White develops the light-squared bishop to b5. Black jumps the knight to d4. White places the light-squared bishop to e2.
Black captures with the knight on f3, giving check. White captures with the light-squared bishop on f3. Black develops the dark-squared bishop to c5.
White castles kingside. Black castles kingside. White pushes the queen's pawn to d3.
Black plays the queen's pawn to d6. White jumps the knight to a4. Black places the dark-squared bishop to b6.