[Event "Montreal Yanofsky op"]
[Site "Montreal"]
[Date "1976.??.??"]
[Round "?"]
[White "Picard, Jean"]
[Black "Lorenz, Denis"]
[Result "1-0"]
[ECO "B69"]
[WhiteElo "1702"]
[BlackElo "1750"]
[PlyCount "75"]
[EventDate "1976.03.26"]
[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. Bg5 e6 7. Qd2 a6 8. 0-0-0 Bd7 9. f4 Be7 10. Nf3 b5 11. Bxf6 Bxf6 12. Qxd6 Be7 13. Qd2 b4 14. Na4 Ra7 15. Qe3 Qa5 16. b3 Rb7 17. Nd2 Nd8 18. Nc4 Qc7 19. Nab6 Bc5 20. Qg3 Rxb6 21. Qxg7 Qxf4+ 22. Kb1 Rf8 23. Nxb6 Bxb6 24. Bd3 Bc7 25. g3 Qf2 26. Rhf1 Qc5 27. Bc4 Be5 28. Qg5 Nc6 29. Qd2 Nb8 30. Rf3 Qa5 31. Rd3 Qa3 32. Qc1 Qa5 33. Qg5 Qc7 34. Bxa6 f6 35. Qh5+ Rf7 36. Bc4 Kf8 37. Qh6+ Kg8 38. Bxe6 1-0

[Event "Quebec op"]
[Site "Montreal"]
[Date "1975.10.13"]
[Round "6"]
[White "Brodie, Hugh"]
[Black "Lorenz, Denis"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "1910"]
[BlackElo "1700"]
[PlyCount "89"]
[EventDate "1975.10.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. f4 e5 2. fxe5 Qh4+ 3. g3 Qh5 4. Nf3 d6 5. exd6 Bxd6 6. Bg2 Bh3 7. 0-0 Nf6 8. Nc3 Nc6 9. d3 0-0-0 10. Ng5 Bxg2 11. Kxg2 h6 12. Nge4 Nxe4 13. Nxe4 Be5 14. e3 Qg6 15. Qf3 f6 16. Qf5+ Qxf5 17. Rxf5 g6 18. Rf2 f5 19. Nd2 Nb4 20. Nc4 Bg7 21. a3 Nd5 22. Re2 Rhe8 23. e4 fxe4 24. Rxe4 b5 25. Na5 Nf6 26. Rxe8 Rxe8 27. Kf3 Re1 28. Nb3 Nd5 29. c3 Rh1 30. h4 Rh2 31. Bd2 c5 32. Rd1 c4 33. dxc4 bxc4 34. Nc5 h5 35. Ne4 Kc7 36. Bc1 Kc6 37. Nf2 Bf8 38. Bg5 Bc5 39. Rd2 Bxf2 40. Rxf2 Rxf2+ 41. Kxf2 Nb6 42. Kf3 Kd5 43. g4 hxg4+ 44. Kxg4 Ke6 45. Bc1 1-0

[Event "Quebec op"]
[Site "Montreal"]
[Date "1973.10.08"]
[Round "6"]
[White "Lorenz, Denis"]
[Black "Zalys, Ignas"]
[Result "0-1"]
[ECO "B12"]
[BlackElo "1869"]
[PlyCount "54"]
[EventDate "1973.10.06"]
[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 c6 2. d4 d5 3. e5 Bf5 4. Ne2 e6 5. Ng3 Bg6 6. h4 f6 7. h5 Bf7 8. f4 Nd7 9. Bd3 c5 10. c3 Ne7 11. Be3 Nc6 12. Nd2 Qb6 13. Qb3 cxd4 14. Qxb6 Nxb6 15. cxd4 Be7 16. Rc1 0-0 17. a3 Rac8 18. Kf2 fxe5 19. fxe5 Bxh5+ 20. Nf3 Bg6 21. Bxg6 hxg6 22. Ne2 Nc4 23. Nf4 Kf7 24. Nh3 Ke8 25. b4 Nxa3 26. Ke2 Kd7 27. Nfg5 Nxb4 0-1

[Event "Quebec op"]
[Site "Montreal"]
[Date "1970.10.10"]
[Round "2"]
[White "Zalys, Ignas"]
[Black "Lorenz, Denis"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "148"]
[EventDate "1970.10.10"]
[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 e6 2. Qe2 Be7 3. d3 d5 4. Nd2 dxe4 5. Nxe4 Nf6 6. Bf4 Nc6 7. Nf3 Nd4 8. Nxd4 Qxd4 9. c3 Qb6 10. 0-0-0 Nd5 11. Be3 Nxe3 12. fxe3 Bd7 13. d4 Bc6 14. Nd2 0-0-0 15. Kb1 f5 16. Nc4 Be4+ 17. Ka1 Qa6 18. Ne5 Qxe2 19. Bxe2 Rhf8 20. Bf3 Bf6 21. Nc4 Bd5 22. Nd2 b5 23. Rhe1 e5 24. Be2 exd4 25. exd4 c6 26. Bf3 Rfe8 27. Kb1 Kd7 28. Bxd5 cxd5 29. Rf1 g6 30. g4 Re2 31. gxf5 g5 32. Nb3 Rde8 33. Nc5+ Kd6 34. Ne6 Rxh2 35. Rg1 h5 36. Rh1 Rxh1 37. Rxh1 h4 38. Kc2 g4 39. Kd3 g3 40. Nf4 Bg5 41. Ng2 Rh8 42. Rh3 Ke7 43. Ne3 Bxe3 44. Kxe3 Kf6 45. Kf3 Kxf5 46. Rh1 Kg5 47. Re1 Rf8+ 48. Kg2 Kg4 49. Re7 h3+ 50. Kg1 Kf3 51. Rg7 h2+ 52. Kh1 Rf4 53. b3 Re4 54. Rf7+ Rf4 55. Rg7 Kf2 56. a4 bxa4 57. bxa4 Rf3 58. a5 Rxc3 59. Rf7+ Rf3 60. Rg7 Ke3 61. Re7+ Kxd4 62. Re1 Ra3 63. Kg2 Kc5 64. Rc1+ Kd6 65. a6 d4 66. Rb1 Rxa6 67. Kxg3 Ra2 68. Kf3 Kd5 69. Rc1 a5 70. Rd1 a4 71. Rb1 a3 72. Rd1 Rb2 73. Ra1 a2 74. Kg3 Rb1 0-1

