[Event "US Senior Open"] [Site "Las Vegas (NV)"] [Round "4.26"] [White "Buckendorf Glen (ID)"] [Black "Overstrom Ron"] [ECO "B22"] [Opening "Sicilian: Alapin, 2...d6"] 1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Nf3 O-O 8. Rc1 a6 9. Bd3 Nfd7 10. O-O Nc6 11. Bb1 Na5 12. b3 b5 13. d5 Nf6 14. Nd4 Bb7 15. f4 Rc8 16. Qf3 Ba8 17. h3 Nd7 18. Qf2 Bxd4 19. Bxd4 Nb7 20. b4 Qe8 21. Qh4 e5 22. dxe6 fxe6 23. Qg3 e5 24. Be3 Rf7 25. Nd5 Qd8 26. a3 Kh8 27. fxe5 Rxf1+ 28. Rxf1 dxe5 29. Bh6 Nd6 30. Bg5 Qe8 31. Nf6 Nxf6 32. Bxf6+ Kg8 33. Bxe5 Bxe4 34. Bxe4 Nxe4 35. Qf4 Rc4 36. Re1 Qa8 37. Rc1 Qe8 38. Bb2 Nc3 39. Qf3 Ne2+ 40. Kh1 {(??, 42) The rest of this score cannot be reconstructed.} *