Evans gambit - compromised defence, Paulsen variation

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O dxc3 8. Qb3 Qf6 9. e5 Qg6 10. Nxc3 Nge7 11. Ba3