[Event "US Chess Championship"]
[Site "St. Louis, MO USA"]
[Date "2013.05.06"]
[EventDate "2013.05.03"]
[Round "4"]
[Result "1-0"]
[White "Ray Robson"]
[Black "Marc Tyler Arnold"]
[ECO "B32"]
[WhiteElo "2620"]
[BlackElo "2538"]
[PlyCount "69"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3
e6 7. Bd3 Qc7 8. f4 d6 9. Qf3 Be7 10. Be3 a6 11. O-O-O Bd7
12. g4 g5 13. Rhf1 gxf4 14. Qxf4 h6 15. h4 Ne5 16. g5 Nfg4
17. Bd2 hxg5 18. hxg5 Nxd3+ 19. cxd3 Ne5 20. Kb1 Rf8 21. Qg3
Rg8 22. Rc1 Qb6 23. Be3 Qb4 24. Bd2 Qb6 25. Be3 Qb4 26. Qf2
Rf8 27. Bd2 Bb5 28. Nd5 Bxd3+ 29. Ka1 Qxe4 30. Nxe7 Bxf1
31. Nc8 Qf3 32. Nxd6+ Kd7 33. Qb6 Rfc8 34. Nxc8 Rxc8 35. Qd4+
1-0