[Event "US Open-80"]
[Site "Chicago"]
[Date "1979.08.05"]
[Round "7"]
[White "Biyiasas, Peter"]
[Black "Tbrooks, Michael J"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "2485"]
[PlyCount "135"]
[EventDate "1979.07.29"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 g6 5. d3 Bg7 6. Be3 Nf6 7. h3 0-0 8. Nge2 Rb8 9. Qd2 b5 10. 0-0 e5 11. Bg5 Qa5 12. a3 Nd4 13. Nxd4 cxd4 14. Nd5 Qxd2 15. Ne7+ Kh8 16. Bxd2 Bd7 17. f4 Rfe8 18. fxe5 dxe5 19. Bb4 Rb6 20. Bc5 Ra6 21. Nd5 Nxd5 22. exd5 Kg8 23. c3 dxc3 24. bxc3 Rc8 25. d4 exd4 26. cxd4 Ra4 27. Rad1 Re8 28. d6 Re6 29. Bd5 Rf6 30. Kg2 Rf5 31. Rxf5 gxf5 32. g4 fxg4 33. h4 Bf6 34. h5 h6 35. Kg3 Kg7 36. Rd3 Ra5 37. Bb3 b4 38. axb4 Ra1 39. Bd5 a5 40. b5 Bxb5 41. Rb3 Be8 42. Rb7 Rg1+ 43. Kf2 Rc1 44. d7 Bh4+ 45. Ke2 Re1+ 46. Kd2 Bxd7 47. Rxd7 Rf1 48. Bd6 g3 49. Be7 Bxe7 50. Rxe7 Rf2+ 51. Re2 Rf5 52. Bg2 Kf6 53. Ke3 Rxh5 54. Kf3 Rd5 55. Rd2 a4 56. Kxg3 Rb5 57. d5 a3 58. d6 Rb3+ 59. Kh2 Rb2 60. Rd3 a2 61. d7 Rb8 62. Rd1 Ke7 63. Bh3 Ra8 64. Re1+ Kd6 65. Ra1 Ke5 66. Bg2 Rd8 67. Bc6 Kd6 68. Ba4 1-0

