[Event "Dortmunder Schachtage-08"]
[Site "Dortmund"]
[Date "1980.07.09"]
[Round "8"]
[White "Portisch, Ferenc"]
[Black "Cuartas, Carlos Enrique"]
[Result "0-1"]
[WhiteElo "2470"]
[BlackElo "2420"]

1. d4 d5 2. c4 Bf5 3. Nc3 e6 4. Nf3 c6 5. e3 Nf6 6. Be2 Bd6 7. Qb3 Qc7 8. Bd2 Ne4 9. Rc1 Nxc3 10. bxc3 Nd7 11. cxd5 exd5 12. c4 dxc4 13. Bxc4 O-O 14. Bd3 Bxd3 15. Qxd3 Nf6 16. O-O Rae8 17. Rc2 Ne4 18. h3 Qd7 19. Rb1 Re6 20. Be1 Rfe8 21. Nd2 Nf6 22. a4 Nd5 23. Rcb2 b6 24. Nf1 Nf4 25. Qd1 Nxh3+ 26. gxh3 Rg6+ 27. Ng3 Qxh3 28. Qf3 h5 29. e4 h4 30. e5 Rxe5 31. dxe5 Bc5 0-1