[Event "Canadian op"]
[Site "Ottawa"]
[Date "1962.08.29"]
[Round "4"]
[White "Zalys, Ignas"]
[Black "Roberts, Lawrence"]
[Result "1-0"]
[ECO "A36"]
[PlyCount "73"]
[EventDate "1962.08.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. g3 c5 5. Bg2 Nc6 6. Nge2 Bg7 7. 0-0 0-0 8. d3 Nh5 9. Be3 e5 10. Qd2 Be6 11. f4 f5 12. Nd5 Bxd5 13. cxd5 Nd4 14. fxe5 dxe5 15. Rac1 Rc8 16. b4 b6 17. Rc4 cxb4 18. Bxd4 Rxc4 19. dxc4 exd4 20. exf5 Rxf5 21. Rxf5 gxf5 22. Nxd4 Bxd4+ 23. Qxd4 Qd6 24. Bf3 Nxg3 25. hxg3 Qxg3+ 26. Bg2 Qc3 27. Qf4 Qa1+ 28. Kh2 Qxa2 29. d6 Qe2 30. Qxf5 Qd2 31. d7 Qh6+ 32. Qh3 Qd2 33. Qe6+ Kg7 34. Qe7+ Kg6 35. d8Q Qf4+ 36. Kg1 Qc1+ 37. Bf1 1-0

[Event "Canadian op"]
[Site "Ottawa"]
[Date "1962.08.27"]
[Round "2.7"]
[White "Winterton, Ken"]
[Black "Roberts, Lawrence"]
[Result "1/2-1/2"]
[ECO "E34"]
[PlyCount "64"]
[EventDate "1962.08.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 Qxd5 6. Nf3 c5 7. Bd2 Bxc3 8. Bxc3 cxd4 9. Nxd4 0-0 10. Nf3 Nc6 11. Rd1 Qe4 12. Qxe4 Nxe4 13. e3 Nxc3 14. bxc3 Rd8 15. Rxd8+ Nxd8 16. Bb5 a6 17. Ba4 b5 18. Bb3 Bb7 19. Ke2 Nc6 20. Rd1 Rd8 21. Rxd8+ Nxd8 22. g3 Kf8 23. c4 bxc4 24. Bxc4 Ke7 25. Nd4 Kd6 26. Nb3 Nc6 27. f4 f6 28. e4 e5 29. Ke3 h6 30. h4 Bc8 31. f5 Nb4 32. Nd2 Kc5 1/2-1/2

