[Event "Dortmunder Schachtage-08"]
[Site "Dortmund"]
[Date "1980.07.02"]
[Round "2"]
[White "Portisch, Ferenc"]
[Black "Bellon Lopez, Juan Manuel"]
[Result "1-0"]
[WhiteElo "2470"]
[BlackElo "2430"]

1. d4 c6 2. Nf3 d5 3. c4 Bf5 4. Nc3 e6 5. e3 Nd7 6. Bd3 Bxd3 7. Qxd3 Ngf6 8. O-O Bb4 9. a3 Bxc3 10. bxc3 Qa5 11. Nd2 Qa6 12. a4 Nb6 13. a5 Nxc4 14. Nxc4 dxc4 15. Qc2 b5 16. e4 Nd7 17. Be3 O-O 18. Rfd1 Rac8 19. d5 cxd5 20. exd5 Nc5 21. Bxc5 Rxc5 22. Qe4 exd5 23. Rxd5 Qc6 24. Rad1 Re8 25. Qxe8+ Qxe8 26. Rxc5 g6 27. g3 a6 28. Rc7 g5 29. h3 h5 30. Rc5 Qe7 31. Rcd5 Kg7 32. Kf1 Qa3 33. Rxg5+ Kf8 34. Rf5 Qb3 35. Rdd5 b4 36. cxb4 c3 37. Rc5 h4 38. Rf3 Qb1+ 39. Kg2 c2 40. Rfc3 Qxb4 41. Rxc2 Qe4+ 42. Kh2 Kg7 43. R5c4 Qf5 44. Rc5 Qe4 45. g4 Qf4+ 46. Kg1 f6 47. Rf5 Qa4 48. Rc7+ Kg6 49. Rb7 Qa3 50. Kg2 Qd3 51. Rb6 Kg7 52. Rbxf6 Qc4 53. Rf7+ Kg8 54. Ra7 Qc6+ 55. Kg1 Qc1+ 56. Kh2 Qc8 57. Re7 Qc6 58. Ree5 Qd6 59. Kg2 Qc6+ 60. Rd5 Kg7 61. g5 Qc3 62. Rc5 Qa3 63. Rfd5 Kf7 64. Rc6 Qe7 65. Rf6+ Kg7 66. Kf3 Qb7 67. Rd6 Qf7+ 68. Kg4 1-0