[Event "Dortmunder Schachtage-05"]
[Site "Dortmund"]
[Date "1977.05.23"]
[Round "5"]
[White "Kochyev, Alexander"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "1-0"]
[BlackElo "2410"]

1. Nf3 f5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. Nc3 d5 7. d4 c6 8. b3 Qe8 9. e3 Nbd7 10. Ne2 Bd6 11. a4 a5 12. Ba3 Bxa3 13. Rxa3 Ne4 14. Nf4 Qe7 15. Ra1 e5 16. Nxe5 Nxe5 17. dxe5 dxc4 18. bxc4 Qxe5 19. Qd4 Qxd4 20. exd4 Nd2 21. Rfe1 Nxc4 22. d5 Bd7 23. Nd3 Rab8 24. Rac1 Nb6 25. Ne5 Rfd8 26. dxc6 Bxc6 27. Nxc6 bxc6 28. Bxc6 Rd4 29. Rcd1 Rxd1 30. Rxd1 Rc8 31. Bb5 Rc2 32. Rd6 Nc4 33. Rd5 g6 34. Bxc4 Rxc4 35. Rxa5 Kg7 36. Kg2 Kf6 37. h4 h6 38. Ra6+ Kg7 39. Ra8 h5 40. Kf3 Rb4 41. a5 Ra4 42. a6 Ra3+ 43. Ke2 Ra2+ 44. Ke3 Kh7 45. Kf4 Kh6 46. Ke5 Kg7 47. Ra7+ 1-0