[Event "Dortmunder Schachtage-05"]
[Site "Dortmund"]
[Date "1977.05.19"]
[Round "1"]
[White "Bachmann, Karlheinz"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "0-1"]
[WhiteElo "2205"]
[BlackElo "2410"]

1. d4 e6 2. Nf3 f5 3. c4 Nf6 4. Nc3 Bb4 5. a3 Bxc3+ 6. bxc3 c5 7. e3 O-O 8. Be2 Ne4 9. Qc2 d6 10. O-O Qa5 11. Bb2 Bd7 12. Ne1 Bc6 13. f3 Nf6 14. Nd3 Nbd7 15. Nf4 Ba4 16. Qd2 Rae8 17. d5 e5 18. Ne6 Rf7 19. Bd3 e4 20. Be2 Bb3 0-1