[Event "Dortmunder Schachtage-05"]
[Site "Dortmund"]
[Date "1977.05.21"]
[Round "3"]
[White "Popovych, Orest"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "0-1"]
[WhiteElo "2370"]
[BlackElo "2410"]

1. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. d5 Ne5 5. Qd4 Ng6 6. f3 e5 7. Qxe4 a6 8. Bc4 Bd6 9. Nge2 f5 10. Qd3 Qh4+ 11. g3 Qh5 12. Bb3 Nf6 13. Qe3 O-O 14. Bd2 b6 15. O-O-O Bd7 16. Rdf1 f4 17. Qd3 e4 18. Nxe4 Nxe4 19. Qxe4 Rfe8 20. g4 Bxg4 21. fxg4 Qxg4 22. Qf3 Qxf3 23. Rxf3 Rxe2 24. Kd1 Rg2 25. h4 h5 26. Bc3 b5 27. Bd4 Re8 28. Rf2 Rg4 29. c3 Rxh4 30. Rg1 Rg4 31. Rh1 Rg5 32. Bc2 Ne7 33. Rfh2 g6 34. Re2 Kf7 35. Rhe1 Rf8 36. Bb3 Nf5 37. Bf2 Rg2 38. c4 bxc4 39. Bxc4 a5 40. Bb5 Bb4 41. Rf1 Rd8 42. Bc4 f3 43. Re6 Bd6 44. Ba7 Ra8 45. Be3 Nxe3+ 46. Rxe3 Rxb2 47. Rfxf3+ Kg7 48. Re6 Rf8 49. Rxf8 Bxf8 50. Ra6 h4 51. Bd3 Bd6 52. Rxa5 h3 53. Ra4 h2 54. Be4 Rf2 0-1