Chess Opening Theory/1. e4/1...c5/2. Nf3/2...d6/3. d4/3...cxd4/4. Nxd4/4...Nf6/5. Bc4

< Chess Opening Theory‎ | 1. e4‎ | 1...c5‎ | 2. Nf3‎ | 2...d6‎ | 3. d4‎ | 3...cxd4‎ | 4. Nxd4‎ | 4...Nf6

This is a side line as well as an aggresive line.Where white sacrifices e4 pawn for the intiative and maximum activity.