[Event "Alberta-ch"]
[Site "Edmonton"]
[Date "1950.09.??"]
[Round "3"]
[White "Duitman, JH."]
[Black "Burfield, Frank R"]
[Result "0-1"]
[ECO "A51"]
[PlyCount "68"]
[EventDate "1950.09.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. e3 exd4 4. exd4 Be7 5. Nf3 d6 6. Bd3 b6 7. Nc3 Bb7 8. Bf4 h6 9. Qe2 0-0 10. 0-0-0 Re8 11. Qc2 c5 12. dxc5 bxc5 13. Na4 Nbd7 14. Rhe1 Nf8 15. Nxc5 Qb6 16. Nxb7 Qxb7 17. h3 d5 18. b3 dxc4 19. Bxc4 Rac8 20. Kb1 Bb4 21. Rg1 Ne6 22. Bh2 Ne4 23. Rd3 N6c5 24. Re3 Nf6 25. Ne5 Nce4 26. Bxf7+ Kf8 27. Rd3 Rxc2 28. Kxc2 Rxe5 29. Rd8+ Kxf7 30. Bxe5 Qc6+ 31. Kd1 Ba3 32. Ke2 Qb5+ 33. Kf3 Qxe5 34. Rgd1 Ng5# 0-1

[Event "Alberta-ch"]
[Site "Edmonton"]
[Date "1950.09.??"]
[Round "1"]
[White "Kelsey, Al"]
[Black "Duitman, JH."]
[Result "1-0"]
[ECO "C50"]
[PlyCount "87"]
[EventDate "1950.09.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 a6 5. 0-0 Nf6 6. Bd5 0-0 7. Bxc6 bxc6 8. Nxe5 Re8 9. d4 Ba7 10. Qd3 c5 11. Be3 cxd4 12. Bxd4 c5 13. Nxf7 Kxf7 14. Bxf6 Qxf6 15. Qd5+ Qe6 16. Qxa8 Qb6 17. Qd5+ Qe6 18. Rad1 Kf8 19. Qxe6 Rxe6 20. Kh1 Kf7 21. f3 Bb8 22. Ne2 Rh6 23. h3 Be5 24. b3 d6 25. f4 Bf6 26. Rxd6 Be7 27. Rxh6 gxh6 28. g4 Bb7 29. Ng3 Bh4 30. Nf5 Bxe4+ 31. Kh2 Bxf5 32. gxf5 Kf6 33. Rd1 a5 34. Rd6+ Ke7 35. Rxh6 Bf2 36. Kg2 Bd4 37. Kf3 Kf7 38. Rxh7+ Kg8 39. Ra7 Bc3 40. h4 Kf8 41. Kg4 Kg8 42. h5 Kf8 43. Kg5 Kg8 44. f6 1-0

[Event "Alberta-ch"]
[Site "Edmonton"]
[Date "1950.09.??"]
[Round "5"]
[White "Sinclair, Don"]
[Black "Duitman, JH."]
[Result "1-0"]
[ECO "D37"]
[PlyCount "139"]
[EventDate "1950.09.??"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 e6 3. c4 Nf6 4. Nc3 a6 5. Bg5 Bb4 6. Qa4+ Nc6 7. Ne5 Bxc3+ 8. bxc3 Bd7 9. Nxd7 Qxd7 10. Bxf6 gxf6 11. e3 Rg8 12. g3 f5 13. Bg2 b5 14. cxb5 Ne7 15. Rb1 f6 16. Qb3 Kf7 17. a4 Rgb8 18. 0-0 axb5 19. axb5 Ra5 20. c4 c6 21. Ra1 Rxa1 22. Rxa1 cxb5 23. Bf1 dxc4 24. Bxc4 Nd5 25. Ra5 Nc7 26. Bd3 Kg6 27. Ra7 Qc6 28. Qb1 Qb6 29. Ra1 b4 30. g4 h6 31. gxf5+ exf5 32. Bxf5+ Kf7 33. Qb3+ Ke7 34. Bg6 Qe6 35. Qxe6+ Kxe6 36. Be4 Rg8+ 37. Kf1 Rb8 38. Ke2 Nb5 39. Bc2 Nc3+ 40. Kd3 f5 41. Kc4 Nd5 42. Bxf5+ Kxf5 43. Kxd5 b3 44. Rb1 b2 45. Kc4 Rc8+ 46. Kd3 Rb8 47. Kc2 Ke4 48. Rxb2 Rf8 49. Kd1 Rg8 50. Ke2 Rg2 51. Rd2 Rxh2 52. d5 Rg2 53. d6 Rg8 54. f3+ Ke5 55. d7 Rd8 56. Kf2 Ke6 57. f4 Rxd7 58. Rxd7 Kxd7 59. Kg3 Ke6 60. Kg4 h5+ 61. Kxh5 Kf5 62. Kh4 Kg6 63. Kg4 Kf6 64. e4 Kg6 65. e5 Kf7 66. f5 Ke7 67. Kg5 Kf7 68. Kh6 Kg8 69. Kg6 Kf8 70. e6 1-0

