[Event "US Senior Open"] [Site "USA"] [Round "6.15"] [White "Markowski Alina (CA)"] [Black "Buckendorf Glen (ID)"] [Result "1/2-1/2"] [ECO "B06"] [Opening "Modern: 3.Nf3 d6"] 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be2 Nd7 5. Nc3 a6 6. O-O b5 7. b3 Bb7 8. Bb2 c5 9. Nd5 e6 10. Ne3 Bxe4 11. Rb1 Ngf6 12. dxc5 Nxc5 13. Qd2 O-O 14. Rfd1 d5 15. Qb4 Qc7 16. Be5 Qe7 17. Ng5 h6 18. Nxe4 Nfxe4 19. Bxg7 Kxg7 20. f3 Nf6 21. Qd4 Kh7 22. b4 Ncd7 23. Qh4 Qd6 24. Rd4 Qe5 25. Qf4 Qxf4 26. Rxf4 e5 27. Rh4 d4 28. Ng4 Nxg4 29. Rxg4 f5 30. Rh4 Rac8 31. Rc1 g5 32. Rh3 Nf6 33. g3 Nd5 34. a3 Rc3 35. Bd3 Kg7 36. Ra1 Nb6 37. Re1 Nd7 38. Ra1 Rc6 39. a4 Nf6 40. axb5 axb5 41. Ra7+ Kg6 42. g4 e4 43. gxf5+ Kxf5 44. fxe4+ Kf4 45. Rxh6 Rcc8 46. Re7 Ng4 47. Rhh7 Ne3 48. Rhf7+ Rxf7 49. Rxf7+ Ke5 50. Rd7 Ra8 51. h3 Ra4 52. Rd8 Rxb4 53. Re8+ Kf4 54. Kf2 Rb2 55. Rf8+ Ke5 56. Re8+ Kf4 57. Rf8+ {#d} 1/2-1/2