Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Bc5/4. c3/4...Nf6/5. d4/5...exd4/6. cxd4

= Center Attack =

6. cxd4
White plays the natural recapture. Now the bishop will have to move to b4 or b6; in most cases, Black plays 6...Bb4+.

Theory table
'''1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4'''