[Event "Ontario op"]
[Site "Belleville"]
[Date "1971.05.23"]
[Round "4"]
[White "Brodie, Hugh"]
[Black "Geffe, Gerhard"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1750"]
[BlackElo "1600"]
[PlyCount "109"]
[EventDate "1971.05.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d6 3. f4 Bg4 4. Nf3 Nbd7 5. h3 Bxf3 6. Qxf3 c6 7. Bc4 Qb6 8. Bb3 e6 9. d3 Be7 10. Be3 Qc7 11. 0-0 a6 12. Ne2 c5 13. c3 0-0 14. g4 g6 15. Kh1 Kh8 16. Ng3 Ne8 17. d4 Ng7 18. g5 f6 19. h4 c4 20. Bc2 Rf7 21. Qg4 f5 22. Qe2 Raf8 23. Rf2 fxe4 24. Bxe4 d5 25. Bc2 Bd6 26. h5 gxh5 27. Nxh5 Nf5 28. Bxf5 exf5 29. Qf3 Qc6 30. Rh2 Rg8 31. Qh3 Be7 32. Bd2 Qg6 33. Qf3 Qc6 34. Ng3 Nf8 35. Re1 Qd7 36. Re5 b5 37. Qxd5 Qxd5+ 38. Rxd5 Bxg5 39. fxg5 f4 40. Rf2 Ne6 41. Ne4 Rg6 42. Re5 h6 43. gxh6 Rxh6+ 44. Rh2 Rxh2+ 45. Kxh2 Ng7 46. Kg2 f3+ 47. Kf2 Nf5 48. Ng5 Rf6 49. Re6 Rf8 50. Rxa6 Ng7 51. Rh6+ Kg8 52. Rg6 Rf5 53. Ne6 Kf7 54. Rxg7+ Kxe6 55. Rg5 1-0

