[Event "London System"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "?"]
[Black "?"]
[Result "*"]
[Annotator "Decatur Chess"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Bd6 5. Bg3 O-O 6. Nbd2 c5 (6... b6 7. Bd3 Bb7 8. O-O Nbd7 9. Ne5 Ne4 10. Nxe4 dxe4 11. Bxe4 Bxe4 12. Nxe4 Bxg3 13. hxg3) 7. c3 Nc6 8. Bd3 Bxg3 9. hxg3 b6 10. Ne5 Bb7 11. f4 Ne7 (11... Qc7 12. Qf3 Rad8 13. g4) 12. O-O Nf5 13. Bxf5 exf5 (13... gxf5 14. Qh5 Ng6 15. Nxg6 hxg6 16. Qxg6+) 14. Qf3 Qd6 15. g4 *
(3... g6 4. e3 Bg7 5. Be2 O-O 6. O-O d6 7. Nbd2 Nbd7 8. c3 e5 9. dxe5 dxe5 10. Bg3 Re8 11. Nc4 e4 12. Nfe5 Nxe5 13. Nxe5) (3... Bf5 4. e3 e6 5. Bd3 Bxd3 6. Qxd3 c6 7. O-O Nbd7 8. Nbd2 Be7 9. Ne5 O-O 10. f4) *
