English - four knights - Romanishin variation
1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e3 Bb4 5. Qc2 Bxc3
White plays the c-pawn to c4. Black advances the king's pawn to e5. White develops the knight to c3.
Black develops the knight to c6. White jumps the knight to f3. Black transfers the knight to f6.
White advances the king's pawn to e3. Black develops the dark-squared bishop to b4. White deploys the queen to c2.
Black captures with the dark-squared bishop on c3.