[Event "Las Vegas National op"] [Site "Las Vegas"] [Date "2012.06.16"] [Round "4"] [White "West, Vanessa A"] [Black "Hansen, Eric"] [Result "0-1"] [WhiteElo "2045"] [BlackElo "2454"] [ECO "B30"] [EventDate "2012.06.15"] [PlyCount "92"] [WhiteFideId "-1"] [GameId "1166655642497024"] [EventType "swiss"] [EventRounds "9"] [EventCountry "USA"] [SourceTitle "CBM 148 Extra"] [SourceDate "2012.06.22"] [SourceVersion "1"] [SourceVersionDate "2012.06.22"] [SourceQuality "1"] [Source "ChessBase"] 1. e4 c5 2. Nf3 e6 3. b3 Nc6 4. Bb2 Qc7 5. Bb5 Nge7 6. O-O a6 7. Bxc6 Nxc6 8. d3 d6 9. a4 Rb8 10. a5 Nxa5 11. Ng5 h6 12. Qh5 Nc6 13. f4 g6 14. Qh4 Nd4 15. Nf3 Bg7 16. Nxd4 cxd4 17. f5 exf5 18. exf5 Bxf5 19. Re1+ Be6 20. Bxd4 Bxd4+ 21. Qxd4 O-O 22. Nc3 d5 23. Nxd5 Bxd5 24. Qxd5 Rfd8 25. Qc4 Qb6+ 26. Kh1 Rbc8 27. Qf4 Rxc2 28. Re7 Rf2 29. Qxh6 Qc6 30. Qg5 Rxd3 31. Rae1 Rdd2 32. Re8+ Kg7 33. Qe5+ Qf6 34. Rg1 Qxe5 35. Rxe5 Rd3 36. b4 Rb3 37. Re4 Rfb2 38. Rf1 Rxb4 39. Re7 Rf4 40. Rd1 Rff2 41. h3 Rxg2 42. Rdd7 Rgf2 43. Kg1 b5 44. Ra7 Rf6 45. Reb7 b4 46. Ra8 Rc6 0-1