Chess Opening Theory/1. d4/1...d5/2. c4/2...c6/3. Nc3/3...dxc4/4. e3/4...b5/5. Nxb5/5...cxb5/6. Qf3/6...Nc6/7. Qxc6

7.Qxc6+
This obvious move seems to fork b5 and a8, but Bd7! holds on. Black is now slightly better due to his marked queenside space advantage and development. Also note that the white queen is exposed to attacks.