[Event "Ontario op"]
[Site "Toronto"]
[Date "1970.??.??"]
[Round "?"]
[White "Clemens, A."]
[Black "Wall, Brian D"]
[Result "1-0"]
[ECO "A85"]
[PlyCount "77"]
[EventDate "1970.05.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 f5 2. Nc3 Nf6 3. d4 e6 4. Nf3 Be7 5. e3 0-0 6. h3 d6 7. Be2 Qe8 8. 0-0 Nbd7 9. Nb5 Bd8 10. Ne1 a6 11. Nc3 e5 12. Nd3 e4 13. Nf4 g5 14. Nh5 Kh8 15. f4 g4 16. hxg4 fxg4 17. Bxg4 Nxg4 18. Qxg4 Rg8 19. Qe2 c6 20. d5 Nc5 21. b4 Bg4 22. Qb2 Nd3 23. Nxe4+ Nxb2 24. Bxb2+ Rg7 25. Bxg7+ Kg8 26. Nef6+ Bxf6 27. Nxf6+ Kxg7 28. Nxe8+ Rxe8 29. Kf2 cxd5 30. cxd5 Re4 31. a3 Kf6 32. Rac1 Re7 33. Rc3 Kf5 34. Rfc1 Ke4 35. Rc4+ Kxd5 36. Rd4+ Ke6 37. Re4+ Kd7 38. Rxe7+ Kxe7 39. Rc7+ 1-0

