/ http://www.slideshare.net/images/logo.gif / 狠狠撸Share feed for 狠狠撸shows by User: lefd1990 https://cdn.slidesharecdn.com/profile-photo-lefd1990-48x48.jpg?cb=1523208709 1.e4 e5 2.Cf3 f5 3.Cc3 fxe4 4.Cxe5 Df6 5.f4!?N [5.d4 exd3 6.f4 dxc2 7.Dxc2 Fb4] 5...c6? [5...exf3!?; 5...Ce7!?] 6.Cxe4 Dxf4