[Event "Rilton Cup-09 1979/80"]
[Site "Stockholm"]
[Date "1979.12.30"]
[Round "4"]
[White "Oerndahl, Per"]
[Black "Wiedenkeller, Michael"]
[Result "0-1"]
[ECO "C15"]
[PlyCount "148"]
[EventDate "1979.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Be7 6. Nxe4 Nf6 7. N2c3 0-0 8. Be3 Nd5 9. Nxd5 exd5 10. Nc3 Bf5 11. Bd3 Bxd3 12. Qxd3 c6 13. Bf4 Nd7 14. 0-0 Bf6 15. Rad1 Re8 16. Qd2 Nb6 17. b3 Qe7 18. a4 Qf8 19. Rfe1 Qb4 20. Ne2 Qxd2 21. Bxd2 Re4 22. Be3 Rae8 23. Ng3 R4e6 24. Kf1 g6 25. c3 Nd7 26. Bd2 Bh4 27. Rxe6 Rxe6 28. Re1 Bxg3 29. hxg3 b5 30. a5 Kg7 31. b4 Kf6 32. Rxe6+ fxe6 33. Ke2 e5 34. f3 h5 35. Be1 Kf5 36. Kd3 e4+ 37. Ke3 a6 38. Bf2 Nf6 39. Be1 Ne8 40. Bd2 Nd6 41. Ke2 g5 42. Kf2 Nc4 43. Bc1 g4 44. f4 Kg6 45. Ke2 Nd6 46. Be3 Nf5 47. Bf2 h4 48. gxh4 g3 49. Be1 Kh5 50. Bd2 Kxh4 51. Bc1 Kg4 52. Bd2 Nd6 53. Bc1 Nc4 54. Bd2 Na3 55. Bc1 Nb1 56. Bd2 Kf5 57. Ke3 Na3 58. Ke2 Nc4 59. Bc1 Nd6 60. Be3 Nf7 61. Bc1 Nh8 62. Bd2 Ng6 63. Be3 Nh4 64. Kf1 Kg4 65. Bc1 Kh5 66. Bd2 Nf5 67. Ke2 Kg4 68. Bc1 Nh4 69. Kf1 e3 70. Bxe3 Kf5 71. Bd2 Ke4 72. Kg1 Kd3 73. Be1 Nf5 74. Kf1 Ke3 0-1

[Event "Rilton Cup-09 1979/80"]
[Site "Stockholm"]
[Date "1979.12.29"]
[Round "3"]
[White "Lindberg, Bengt"]
[Black "Oerndahl, Per"]
[Result "1-0"]
[ECO "C07"]
[PlyCount "31"]
[EventDate "1979.12.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SWE"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 a6 5. dxc5 Bxc5 6. Bd3 Nc6 7. 0-0 Nge7 8. Re1 0-0 9. Nb3 Bd6 10. e5 Bb8 11. Bxh7+ Kxh7 12. Ng5+ Kg8 13. Qh5 Re8 14. Qxf7+ Kh8 15. Re3 Nf5 16. Rh3+ 1-0

