[Event "Dortmunder Schachtage-08"]
[Site "Dortmund"]
[Date "1980.07.01"]
[Round "1"]
[White "Portisch, Ferenc"]
[Black "Lobron, Eric"]
[Result "1/2-1/2"]
[WhiteElo "2470"]
[BlackElo "2335"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 O-O 9. O-O Bg4 10. Bf4 Re8 11. Nd2 Bxe2 12. Qxe2 Nh5 13. Be3 a6 14. g4 Nf6 15. a4 Nbd7 16. f4 h5 17. h3 hxg4 18. hxg4 Nb6 19. Kg2 Qe7 20. Rae1 Qd7 21. g5 Qg4+ 22. Qxg4 Nxg4 23. Bg1 Bxc3 24. bxc3 Nxa4 25. Kf3 f5 26. exf5 gxf5 27. Nc4 Red8 28. Re6 Nxc3 29. Nxd6 Rxd6 30. Rxd6 Ne4 31. Rd7 Nd2+ 32. Ke2 Nxf1 33. Kxf1 b6 34. Rb7 Rd8 35. Rxb6 Rxd5 36. Rxa6 Rd2 37. Rc6 Rc2 38. Rxc5 Nh2+ 39. Ke1 Nf3+ 40. Kd1 Rd2+ 41. Kc1 Re2 42. Rc8+ Kf7 43. Bc5 Re6 44. Rf8+ Kg6 45. Ba7 Re7 46. Rf6+ Kh5 47. Bb8 Kg4 48. Bd6 Rg7 49. Bf8 Rc7+ 50. Kb2 Nxg5 51. Rg6 Rb7+ 52. Kc3 1/2-1/2