[Event "Dortmunder Schachtage-05"]
[Site "Dortmund"]
[Date "1977.05.25"]
[Round "7"]
[White "Pytel, Krzysztof"]
[Black "Castro Rojas, Oscar Humberto"]
[Result "1-0"]
[WhiteElo "2435"]
[BlackElo "2410"]

1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Bg4 7. Qb3 Qd7 8. Bxf7+ Qxf7 9. Qxb7 Rc8 10. Qxc6+ Bd7 11. Qa6 Nf6 12. e5 Ne4 13. Re1 Nc5 14. e6 Nxe6 15. Ng5 1-0