Four knights - Janowski variation
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d3 Bxc3 7. bxc3 d6 8. Re1
White pushes 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 c6. White jumps the knight to c3. Black jumps the knight to f6.
White develops the light-squared bishop to b5. Black develops the dark-squared bishop to b4. White castles kingside.
Black castles kingside. White moves the queen's pawn to d3. Black captures with the dark-squared bishop on c3.
White captures on c3 with the b-pawn. Black pushes the queen's pawn to d6. White deploys the rook to e1.