[Event "National Open"] [Site "Las Vegas (NV)"] [Round "5.110"] [White "Buckendorf Glen (ID)"] [Black "Gray Frank G"] [Result "1/2-1/2"] [ECO "B06"] [Opening "Modern"] 1. e4 g6 2. d4 Bg7 3. c4 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Be3 d6 7. Nc3 Nf6 8. Be2 O-O 9. h3 Bd7 10. Qd2 Re8 11. O-O-O a6 12. Kb1 Qa5 13. Nb3 Qc7 14. f3 Rac8 15. Rc1 Na5 16. Nxa5 Qxa5 17. Rhd1 b5 18. cxb5 axb5 19. Nxb5 Ra8 20. Qxa5 Rxa5 21. Nc3 Rb8 22. Rc2 h5 23. g4 hxg4 24. hxg4 Be6 25. b3 Kf8 26. Kc1 Nd7 27. Bd4 Nc5 28. Bxg7+ Kxg7 29. Nd5 Bxd5 30. Rxd5 Ra7 31. Bc4 {#d} 1/2-1/2