[Event "USA-ch"]
[Site "Pasadena"]
[Date "1978.??.??"]
[Round "8"]
[White "Regan, Kenneth"]
[Black "Commons, Kim S"]
[Result "1/2-1/2"]
[WhiteElo "2430"]
[BlackElo "2485"]

1. e4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. Bb5 Bb4 5. d3 Nd4 6. Nxd4 exd4 7. a3 Ba5 8. b4 dxc3 9. bxa5 c6 10. e5 Nd5 11. Qg4 Ne7 12. Ba4 Qxa5 13. O-O d6 14. Qxg7 Rg8 15. Qf6 Qxe5 16. Qxe5 dxe5 17. Re1 f6 18. f4 Bh3 19. g3 Ng6 20. fxe5 fxe5 21. Bb3 Rf8 22. Bh6 Rf3 23. d4 Rd8 24. dxe5 Ne7 25. Bc4 b5 26. Be2 Rf5 27. Bd3 Rh5 28. Be3 a5 29. Bb6 Ra8 30. Bd4 Nd5 31. Be4 Bf5 32. Bxd5 cxd5 33. Re3 Rc8 34. Rxc3 Rxc3 35. Bxc3 Bxc2 36. Rc1 Bd3 37. Bxa5 Rxe5 38. Re1 Be4 39. Bc3 Re6 40. Kf2 Rc6 41. Bb2 Kd7 42. Rc1 Rh6 43. h4 Rh5 44. Bd4 Rf5+ 45. Ke2 h5 46. Rc5 Rf3 47. Rc3 Rf8 48. Kd2 Rg8 49. Bf2 Ra8 50. Rb3 Kc6 51. Bd4 Bg2 52. Ke2 Ra4 53. Ke3 Bf1 54. Bb2 Kd7 55. Rb4 Rxb4 1/2-1/2