[Event "Ottawa op"]
[Site "Ottawa"]
[Date "1972.01.30"]
[Round "5.13"]
[White "Ferguson, Randal"]
[Black "Marshall, M."]
[Result "1-0"]
[ECO "B54"]
[WhiteElo "1338"]
[BlackElo "1613"]
[PlyCount "49"]
[EventDate "1972.01.29"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 e6 4. 0-0 d6 5. d4 cxd4 6. Nxd4 Nf6 7. Nxc6 bxc6 8. e5 Nd5 9. Bxd5 cxd5 10. exd6 Bxd6 11. Re1 0-0 12. b3 Qf6 13. c3 Ba6 14. Qf3 Qg6 15. Bf4 e5 16. Bxe5 Rfe8 17. Qxd5 Rad8 18. Nd2 Bxe5 19. Rxe5 h6 20. Rxe8+ Rxe8 21. h3 Rb8 22. Qe4 Qg5 23. Nf3 Qf6 24. Qe5 Qd8 25. Nd4 1-0

[Event "Ottawa op"]
[Site "Ottawa"]
[Date "1972.01.30"]
[Round "4.13"]
[White "Herdocia, Francisco"]
[Black "Marshall, M."]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1524"]
[BlackElo "1613"]
[PlyCount "120"]
[EventDate "1972.01.29"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f3 e6 7. Be3 Be7 8. Qd2 0-0 9. 0-0-0 a6 10. g4 Qc7 11. Rg1 b5 12. g5 Nd7 13. Nxc6 Qxc6 14. Bf4 Ne5 15. Bxe5 dxe5 16. Kb1 Bb7 17. Qd7 Rfe8 18. Qxc6 Bxc6 19. Bd3 b4 20. Ne2 a5 21. h4 a4 22. Rg2 Reb8 23. h5 b3 24. Nc1 bxa2+ 25. Kxa2 Rb6 26. Rh1 Rab8 27. c4 Bc5 28. g6 h6 29. gxf7+ Kxf7 30. Bf1 Bd4 31. Nd3 a3 32. b4 R6b7 33. b5 Bd7 34. Rhh2 Rc8 35. Nb4 Ra7 36. Na6 Bxb5 37. cxb5 Rc1 38. Bd3 Ra1+ 39. Kb3 Ra8 40. Ra2 Rc8 41. Rxa1 Bxa1 42. Rc2 Rxc2 43. Bxc2 Bd4 44. Kxa3 Bb6 45. Nb8 Ke7 46. Kb4 Kd6 47. Na6 Ke7 48. Nb8 Kd6 49. Kc4 Kc7 50. Nc6 Kd6 51. Bd3 Be3 52. Bf1 Bf2 53. Bh3 Bb6 54. Nb4 Ke7 55. Nd3 Kd6 56. Nb2 Ba7 57. Na4 Be3 58. b6 Kc6 59. Bxe6 Bxb6 60. Nxb6 Kxb6 1-0

[Event "Ottawa op"]
[Site "Ottawa"]
[Date "1972.01.29"]
[Round "3.14"]
[White "Marshall, M."]
[Black "Scott, A."]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1613"]
[PlyCount "50"]
[EventDate "1972.01.29"]
[EventType "swiss"]
[EventRounds "5"]
[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. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Nd4 7. Nxe5 Nxb3 8. axb3 Bd6 9. d4 0-0 10. Re1 Bb7 11. Nxf7 Rxf7 12. e5 Be7 13. exf6 Bxf6 14. Be3 Bh4 15. Nc3 Qf6 16. Qd2 Raf8 17. Rf1 Qg6 18. f4 Qg4 19. Qe2 Qg6 20. f5 Rxf5 21. Rxf5 Rxf5 22. Rf1 Rxf1+ 23. Kxf1 Bf6 24. Na2 Bg5 25. Bxg5 Qxg5 1-0

[Event "Ottawa op"]
[Site "Ottawa"]
[Date "1972.01.29"]
[Round "1.8"]
[White "Marshall, M."]
[Black "Turgeon, Levis"]
[Result "0-1"]
[ECO "E65"]
[WhiteElo "1613"]
[BlackElo "1815"]
[PlyCount "90"]
[EventDate "1972.01.29"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. e3 Nc6 6. d4 cxd4 7. exd4 0-0 8. Nf3 d6 9. 0-0 Bg4 10. b3 e5 11. dxe5 dxe5 12. Qxd8 Raxd8 13. h3 Bxf3 14. Bxf3 Rd3 15. Bxc6 bxc6 16. Bb2 Rd2 17. Ba3 Rfd8 18. Rfd1 Rxd1+ 19. Rxd1 Rxd1+ 20. Nxd1 Ne4 21. Kg2 f5 22. Bb2 Kf7 23. f3 Nc5 24. Nf2 Ke6 25. Kf1 Bf8 26. Ke2 Bd6 27. b4 Na4 28. Ba3 a5 29. Nd3 axb4 30. Bxb4 Bxb4 31. Nxb4 Kd6 32. Kd3 h6 33. f4 e4+ 34. Kc2 Kc5 35. Kb3 Nb6 36. Na6+ Kd4 37. c5 Nd7 38. Nb4 Kxc5 39. Kc3 Nf6 40. Nc2 Nd5+ 41. Kd2 g5 42. Ne3 Nxe3 43. Kxe3 gxf4+ 44. Kxf4 Kd4 45. a4 e3 0-1

[Event "Ottawa op"]
[Site "Ottawa"]
[Date "1972.01.29"]
[Round "2.13"]
[White "Pataki, Jozsef"]
[Black "Marshall, M."]
[Result "1-0"]
[ECO "A08"]
[BlackElo "1613"]
[PlyCount "45"]
[EventDate "1972.01.29"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d3 Nf6 5. 0-0 Bg4 6. Bg5 e6 7. c3 Bd6 8. Qa4 Bxf3 9. Bxf3 h6 10. Be3 a6 11. c4 0-0 12. cxd5 Nxd5 13. Bxd5 exd5 14. Qg4 Ne5 15. Qh5 d4 16. Bf4 Qe7 17. Nd2 Ng6 18. Bxd6 Qxd6 19. Ne4 Qb6 20. Nxc5 Qb5 21. a4 Qa5 22. Rfb1 b6 23. b4 1-0

