[Event "USA-ch Gr-B"]
[Site "Saint Louis"]
[Date "2011.04.15"]
[Round "1"]
[White "Christiansen, Larry Mark"]
[Black "Shabalov, Alexander"]
[Result "1-0"]
[WhiteElo "2586"]
[BlackElo "2590"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 O-O 8. Bb3 d6 9. f3 Bd7 10. Qd2 Nxd4 11. Bxd4 b5 12. O-O a5 13. a3 Bc6 14. Rad1 Rc8 15. Qf2 Nd7 16. Ne2 Bb7 17. Bxg7 Kxg7 18. Nd4 Qb6 19. e5 d5 20. f4 e6 21. Kh1 Ba6 22. Rfe1 Nc5 23. Re3 Qd8 24. h3 Qe7 25. c3 Ne4 26. Qe1 Rc5 27. Bc2 Rfc8 28. Bxe4 dxe4 29. b4 Rc4 30. Qg3 Kh8 31. Nb3 axb4 32. axb4 Bb7 33. Rd6 R4c7 34. Nd4 Bc6 35. Kh2 Be8 36. Qe1 Rd8 37. Rxd8 Qxd8 38. Rxe4 Qd5 39. Re3 Bc6 40. Qg3 Bb7 41. Qg5 Rc8 42. Rg3 Kg8 43. h4 h6 44. Qxh6 1-0