[Event "Sudbury op"] [Site "Sudbury CAN"] [Date "1979.??.??"] [Round "?"] [White "Dumontelle, Joseph"] [Black "Tenhunen, G."] [Result "1-0"] [ECO "A00"] [EventDate "1979.??.??"] [PlyCount "65"] [EventType "swiss"] [EventRounds "5"] [EventCountry "CAN"] 1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 4. c4 Nc6 5. Bb2 O-O 6. Nf3 Re8 7. e3 d5 8. Be2 Bg4 9. O-O dxc4 10. a3 Bd6 11. Bxc4 Ne5 12. Be2 Ng6 13. Nd4 Qd7 14. f4 c5 15. Nb5 Bb8 16. Bxf6 Bxe2 17. Qxe2 gxf6 18. g3 a6 19. N5c3 b5 20. Qf3 Ba7 21. Nd5 Kg7 22. Nbc3 Rad8 23. Rad1 f5 24. h4 a5 25. h5 Nf8 26. h6+ Kg6 27. e4 b4 28. exf5+ Qxf5 29. Ne3 c4 30. g4 Qd7 31. f5+ Kxh6 32. f6 bxc3 33. Qh3+ 1-0