[Event "Dortmunder Schachtage-05"]
[Site "Dortmund"]
[Date "1977.05.28"]
[Round "9"]
[White "Smejkal, Jan"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "1-0"]
[WhiteElo "2575"]
[BlackElo "2410"]

1. Nf3 d5 2. g3 Nc6 3. d4 Bf5 4. Bg2 Qd7 5. c4 dxc4 6. Nc3 e6 7. O-O Bb4 8. Qa4 Nge7 9. Ne5 Nxe5 10. Qxb4 N7c6 11. Qxb7 Rb8 12. Qa6 Rb6 13. Qa3 Nxd4 14. Be3 Nc2 15. Qc5 Nxe3 16. Qxe3 f6 17. Rad1 Qe7 18. h3 g5 19. Rd2 O-O 20. f4 gxf4 21. gxf4 Ng6 22. Qf2 Qg7 23. Kh2 e5 24. e4 Bc8 25. Nd5 Nxf4 26. Nxf4 exf4 27. Qxf4 Rb5 28. Bf3 Kh8 29. Rg2 Qe7 30. Rff2 Re5 31. Qh4 Bb7 32. Rg4 Rg5 33. Qg3 Rxg4 34. hxg4 Qe5 35. Rc2 Qd4 36. Qxc7 Qd3 37. Rc3 Qd2+ 38. Kg3 Qxb2 39. Rxc4 Qxa2 40. Qe7 Qxc4 41. Qxf8+ Qg8 42. Qxf6+ Qg7 43. Qd8+ Qg8 44. Qc7 Qc8 45. Qe5+ 1-0