![](https://www.hugochess.com/assets/img/canada.png)
[Event "CAN-ch U20 1977"]
[Site "Montreal CAN"]
[Date "1977.04.10"]
[Round "5"]
[White "Patterson, Roger"]
[Black "Johnstone, Glenn"]
[Result "1-0"]
[WhiteElo "1708"]
[BlackElo "1666"]
[PlyCount "77"]
1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 Nf6 5.Bd2 c6 6.Nf3 Bg4 7.Bc4 e6 8.h3 Qh5 9.Be2 Bd6 10.Rg1 Bxf3 11.Bxf3 Qa5 12.Ne4 Qc7 13.Nxd6+ Qxd6 14.Bg5 Qb4+ 15.c3 Qxb2 16.Bd2 Qb6 17.Rb1 Qc7 18.Qb3 b6 19.Qa3 Qe7 20.Qa4 O-O 21.Rxb6 axb6 22.Qxa8 e5 23.Kf1 exd4 24.cxd4 Re8 25.g3 Ne4 26.Be3 Qe6 27.Kg2 Nd7 28.Qa4 Ndf6 29.Rc1 Rc8 30.Qc2 c5 31.Qa4 Nd5 32.Re1 c4 33.Bc1 Ndc3 34.Qc2 Re8 35.Bb2 Qxh3+ 36.Kxh3 Ng5+ 37.Kg2 Rxe1 38.Qxc3 Nxf3 39.Kxf3 1-0
[Site "Montreal CAN"]
[Date "1977.04.10"]
[Round "5"]
[White "Patterson, Roger"]
[Black "Johnstone, Glenn"]
[Result "1-0"]
[WhiteElo "1708"]
[BlackElo "1666"]
[PlyCount "77"]
1.e4 d5 2.exd5 Qxd5 3.Nc3 Qa5 4.d4 Nf6 5.Bd2 c6 6.Nf3 Bg4 7.Bc4 e6 8.h3 Qh5 9.Be2 Bd6 10.Rg1 Bxf3 11.Bxf3 Qa5 12.Ne4 Qc7 13.Nxd6+ Qxd6 14.Bg5 Qb4+ 15.c3 Qxb2 16.Bd2 Qb6 17.Rb1 Qc7 18.Qb3 b6 19.Qa3 Qe7 20.Qa4 O-O 21.Rxb6 axb6 22.Qxa8 e5 23.Kf1 exd4 24.cxd4 Re8 25.g3 Ne4 26.Be3 Qe6 27.Kg2 Nd7 28.Qa4 Ndf6 29.Rc1 Rc8 30.Qc2 c5 31.Qa4 Nd5 32.Re1 c4 33.Bc1 Ndc3 34.Qc2 Re8 35.Bb2 Qxh3+ 36.Kxh3 Ng5+ 37.Kg2 Rxe1 38.Qxc3 Nxf3 39.Kxf3 1-0
[Event "CAN-ch U20 1977"]
[Site "Montreal CAN"]
[Date "1977.04.10"]
[Round "5"]
[White "Patterson, Roger"]
[Black "Johnstone, Glenn"]
[Result "1-0"]
[WhiteElo "1708"]
[BlackElo "1666"]
[ECO "B01"]
[EventDate "1977.04.08"]
[PlyCount "77"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "CAN"]
1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bd2 c6 6. Nf3 Bg4 7. Bc4 e6
8. h3 Qh5 9. Be2 Bd6 10. Rg1 Bxf3 11. Bxf3 Qa5 12. Ne4 Qc7 13. Nxd6+ Qxd6
14. Bg5 Qb4+ 15. c3 Qxb2 16. Bd2 Qb6 17. Rb1 Qc7 18. Qb3 b6 19. Qa3 Qe7 20.
Qa4 O-O 21. Rxb6 axb6 22. Qxa8 e5 23. Kf1 exd4 24. cxd4 Re8 25. g3 Ne4 26.
Be3 Qe6 27. Kg2 Nd7 28. Qa4 Ndf6 29. Rc1 Rc8 30. Qc2 c5 31. Qa4 Nd5 32. Re1
c4 33. Bc1 Ndc3 34. Qc2 Re8 35. Bb2 Qxh3+ 36. Kxh3 Ng5+ 37. Kg2 Rxe1 38.
Qxc3 Nxf3 39. Kxf3 1-0