Talk:Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. exd5/3...cxd5/4. Bd3/4...Nc6/5. c3/5...Nf6/6. Bf4/6...Bg4/7. Qb3/7...Qd7/8. Nd2/8...e6/9. Ngf3/9...Bxf3/10. Nxf3/10...Bd6