[Event "Toronto"]
[Site "Toronto"]
[Date "1984.02.24"]
[Round "6"]
[White "Stone, Raymond"]
[Black "Van Leusden, Jacques"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2270"]
[BlackElo "2077"]
[PlyCount "71"]
[EventDate "1984.01.31"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 Nc6 8. 0-0 Nf6 9. e5 Ng4 10. h3 Nh6 11. Ne4 0-0 12. Qd2 Be6 13. Bd3 Nf5 14. Qf4 Qe7 15. Rfe1 Nb4 16. Nf6+ gxf6 17. Bxf5 Bxf5 18. Qxf5 Qe6 19. Qxe6 fxe6 20. Nxd4 fxe5 21. Rxe5 Nd3 22. Rg5+ Kf7 23. Rd1 Nf4 24. Rg4 Ng6 25. Nb5 Rad8 26. Rgd4 Rxd4 27. Rxd4 c6 28. Nd6+ Ke7 29. Nxb7 Rb8 30. Na5 Rxb2 31. Nxc6+ Kf6 32. a4 Rb1+ 33. Kh2 a6 34. g3 Rb6 35. Rc4 Ne5 36. Rf4+ 1-0

[Event "Toronto"]
[Site "Toronto"]
[Date "1984.02.19"]
[Round "7"]
[White "Van Leusden, Jacques"]
[Black "Pacey, Kevin"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "2077"]
[BlackElo "2105"]
[PlyCount "82"]
[EventDate "1984.01.31"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 e5 6. Nc3 g6 7. d3 Bg7 8. a3 Nc6 9. 0-0 Nge7 10. b4 cxb4 11. axb4 Nxb4 12. Ba3 Na6 13. Nb5 Nc8 14. d4 exd4 15. e5 0-0 16. Qxd4 Rd8 17. Rad1 Nb8 18. Qh4 Nc6 19. Rfe1 a6 20. Nxd6 Nxd6 21. Rxd6 Qc7 22. e6 fxe6 23. Ng5 Bf6 24. Rdxe6 Bxg5 25. Qxg5 Qf7 26. h4 Re8 27. Rxe8+ Rxe8 28. Rxe8+ Qxe8 29. Qd5+ Qf7 30. Qc5 h5 31. g3 Qf6 32. Qd5+ Kh7 33. Qd7+ Qg7 34. Qd6 Ne5 35. Kg2 Nxc4 36. Qb4 Nxa3 37. Qxa3 Qc7 38. Qd3 Qc6+ 39. Kh2 a5 40. Qe3 Qd7 41. Qc5 b5 0-1

[Event "Toronto"]
[Site "Toronto"]
[Date "1984.02.12"]
[Round "5"]
[White "Van Leusden, Jacques"]
[Black "Yee, Lorne"]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "2077"]
[BlackElo "2105"]
[PlyCount "68"]
[EventDate "1984.01.31"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g4 a6 7. g5 Nfd7 8. Be3 b5 9. Qd2 Bb7 10. Bg2 Ne5 11. 0-0-0 Nc4 12. Qe2 Be7 13. h4 Nxe3 14. Qxe3 0-0 15. Qh3 Qa5 16. Kb1 b4 17. Nce2 Nc6 18. f4 Nxd4 19. Nxd4 Rfe8 20. h5 Bf8 21. g6 fxg6 22. hxg6 h6 23. f5 Qe5 24. Nxe6 Rac8 25. Qb3 d5 26. exd5 Qxf5 27. Nxf8 Kh8 28. Bh3 Qxf8 29. Bxc8 Rxc8 30. Rhf1 Qd6 31. Rf7 Bc6 32. Qd3 Be8 33. Qg3 Qc5 34. Qe3 Qxc2+ 0-1

[Event "Toronto"]
[Site "Toronto"]
[Date "1984.01.31"]
[Round "2"]
[White "Boyd, Stephen J"]
[Black "Van Leusden, Jacques"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2240"]
[BlackElo "2077"]
[PlyCount "37"]
[EventDate "1984.01.31"]
[EventType "tourn"]
[EventRounds "11"]
[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. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. Be3 Nc6 8. dxc5 Nxe5 9. Nd4 Be7 10. Bb5+ Kf8 11. f4 Bh4+ 12. Kf1 Nd7 13. c6 bxc6 14. Nxc6 Qc7 15. f5 a6 16. Ba4 exf5 17. Nxd5 Qd6 18. Bf4 Qc5 19. Ne3 1-0

[Event "Canadian op"]
[Site "Toronto"]
[Date "1983.07.16"]
[Round "9"]
[White "Van Leusden, Jacques"]
[Black "Cunningham, Thomas L"]
[Result "0-1"]
[ECO "C60"]
[WhiteElo "2042"]
[BlackElo "2167"]
[PlyCount "70"]
[EventDate "1983.07.09"]
[EventType "swiss"]
[EventRounds "10"]
[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 g6 4. d4 exd4 5. Nxd4 Bg7 6. Be3 Nge7 7. Nc3 0-0 8. 0-0 a6 9. Be2 d6 10. f4 Nxd4 11. Bxd4 Nc6 12. Bxg7 Kxg7 13. f5 f6 14. Rf3 Ne5 15. Rg3 Bd7 16. Nd5 g5 17. Bd3 Be8 18. Qe2 Bf7 19. Nf4 Qe7 20. h4 h6 21. Rf1 Rae8 22. Nh5+ Bxh5 23. Qxh5 Qf7 24. Qe2 Qxa2 25. b3 Qb2 26. Qh5 Qd4+ 27. Kh1 Rh8 28. Rd1 Qf2 29. Kh2 Ref8 30. Bc4 Rh7 31. Be6 Kh8 32. Rh3 g4 33. Rc3 Qe2 34. Rd5 g3+ 35. Kh3 Qxh5 0-1

[Event "Canadian op"]
[Site "Toronto"]
[Date "1983.07.13"]
[Round "6"]
[White "Mayer, Steven F"]
[Black "Van Leusden, Jacques"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2148"]
[BlackElo "2029"]
[PlyCount "89"]
[EventDate "1983.07.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. g3 e5 2. Bg2 Nc6 3. d3 d5 4. Nf3 Nf6 5. 0-0 Be7 6. a3 a5 7. b3 0-0 8. Bb2 e4 9. Nd4 Nxd4 10. Bxd4 Re8 11. dxe4 Nxe4 12. c4 c5 13. Bb2 Bf6 14. Bxe4 Rxe4 15. Bxf6 Qxf6 16. Nd2 Rd4 17. cxd5 Bh3 18. Re1 Qg5 19. Nf3 Qxd5 20. Qc2 Qc6 21. Red1 Rad8 22. Rxd4 Rxd4 23. Rd1 Rxd1+ 24. Qxd1 Qd7 25. Qc2 Qd5 26. e4 Qd8 27. a4 Qf6 28. Ne1 Qd4 29. Qd3 Qxd3 30. Nxd3 b6 31. Nf4 Bd7 32. Nd5 b5 33. axb5 Bxb5 34. Nb6 Kf8 35. f3 Ke7 36. Kf2 Kd6 37. Ke3 Kc6 38. Nd5 c4 39. b4 axb4 40. Nxb4+ Kc5 41. Na2 g5 42. f4 gxf4+ 43. gxf4 Bc6 44. Nc3 f6 45. Na2 1/2-1/2

[Event "Canadian op"]
[Site "Toronto"]
[Date "1983.07.10"]
[Round "3"]
[White "Jauregui Andrade, Carlos"]
[Black "Van Leusden, Jacques"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2191"]
[BlackElo "2042"]
[PlyCount "25"]
[EventDate "1983.07.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Nf6 3. g3 g6 4. Bg2 c5 5. 0-0 cxd4 6. Nxd4 Bg7 7. c4 0-0 8. Nc3 Qc7 9. b3 Nc6 10. Bb2 Nxd4 11. Qxd4 Be6 12. Rac1 Nd7 13. Qxg7+ 1-0

[Event "Canadian op"]
[Site "Toronto"]
[Date "1983.07.09"]
[Round "1"]
[White "Stopa, John Russell"]
[Black "Van Leusden, Jacques"]
[Result "1-0"]
[ECO "C04"]
[WhiteElo "2312"]
[BlackElo "2042"]
[PlyCount "49"]
[EventDate "1983.07.09"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nh6 5. c3 f5 6. exd5 exd5 7. Bb5 Bd6 8. 0-0 0-0 9. c4 Qf6 10. c5 Be7 11. Nb3 Nf7 12. Bf4 a6 13. Bxc6 Qxc6 14. Re1 Bf6 15. Qd2 b6 16. Rac1 Qa4 17. Bxc7 bxc5 18. Rxc5 Qxa2 19. Qb4 Qxb2 20. Nfd2 a5 21. Qa4 Ba6 22. Rb1 Rfe8 23. Rcc1 Bxd4 24. Rxb2 Bxb2 25. Rd1 1-0

[Event "Toronto"]
[Site "Toronto"]
[Date "1982.02.??"]
[Round "7"]
[White "Findlay, Ian T"]
[Black "Van Leusden, Jacques"]
[Result "1-0"]
[ECO "C19"]
[WhiteElo "2250"]
[BlackElo "2066"]
[PlyCount "67"]
[EventDate "1982.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf3 Bd7 8. a4 Nbc6 9. Bd3 Qa5 10. Qd2 c4 11. Be2 0-0-0 12. 0-0 h6 13. Ne1 Rdg8 14. f4 f5 15. exf6 gxf6 16. Bh5 Nf5 17. Ba3 Nfxd4 18. Bb4 Qb6 19. cxd4 Qxb4 20. c3 Qd6 21. Nc2 Rg7 22. a5 Rhg8 23. Ne3 Be8 24. Bxe8 Rxe8 25. a6 b6 26. f5 e5 27. dxe5 fxe5 28. Kh1 Qc5 29. Rf3 d4 30. cxd4 Nxd4 31. Rd1 Nc6 32. Nxc4 Ree7 33. Nd6+ Kc7 34. Rc3 1-0

[Event "Toronto"]
[Site "Toronto"]
[Date "1982.02.??"]
[Round "11"]
[White "Kilgour, Ian A"]
[Black "Van Leusden, Jacques"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2240"]
[BlackElo "2066"]
[PlyCount "62"]
[EventDate "1982.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. g3 Nbd7 4. Bg2 e5 5. e3 Be7 6. Ne2 0-0 7. Nbc3 c6 8. 0-0 Re8 9. b3 exd4 10. Nxd4 Ne5 11. h3 Bd7 12. Bb2 h5 13. Rc1 Qc8 14. Kh2 h4 15. gxh4 Ng6 16. Nf3 d5 17. Rh1 dxc4 18. bxc4 Qc7+ 19. Kg1 Rad8 20. Qc2 Qa5 21. Ne2 Bf5 22. Bc3 Qc5 23. Qb2 Qxc4 24. Ba5 Qa6 25. Bxd8 Rxd8 26. Re1 Ba3 27. Qb3 Rd3 28. Qb1 Rd5 29. Qa1 Bb4 30. Nc3 Rc5 31. Rc1 Qa3 1-0

[Event "Toronto"]
[Site "Toronto"]
[Date "1982.02.??"]
[Round "3"]
[White "Kleinplatz, Sam"]
[Black "Van Leusden, Jacques"]
[Result "1-0"]
[ECO "A59"]
[WhiteElo "2219"]
[BlackElo "2066"]
[PlyCount "63"]
[EventDate "1982.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 g6 7. e4 Bxf1 8. Kxf1 d6 9. Nf3 Nbd7 10. h3 Bg7 11. Kg1 0-0 12. Kh2 Qc7 13. Re1 Rfb8 14. Re2 Nb6 15. Rb1 Nfd7 16. Bg5 Nc4 17. Qc2 Qa5 18. Nd2 Nxb2 19. Rxb2 Qxc3 20. Rxb8+ Rxb8 21. Qa4 h6 22. Be3 Ne5 23. f4 Nd3 24. Nf3 Nb2 25. Qa7 Rb4 26. Bd2 Qd3 27. Re3 Qc2 28. Bxb4 cxb4 29. Qb8+ Kh7 30. Qxb4 Nd1 31. Re1 Bc3 32. Qc4 1-0

[Event "Toronto"]
[Site "Toronto"]
[Date "1982.02.??"]
[Round "9"]
[White "Nickoloff, Bryon"]
[Black "Van Leusden, Jacques"]
[Result "0-1"]
[ECO "C19"]
[WhiteElo "2343"]
[BlackElo "2066"]
[PlyCount "58"]
[EventDate "1982.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. a4 Nbc6 8. Nf3 Bd7 9. Bd3 Qa5 10. Qd2 c4 11. Be2 f6 12. Ba3 0-0-0 13. 0-0 Nf5 14. Rfb1 fxe5 15. Nxe5 Nxe5 16. dxe5 h5 17. Bf1 Bc6 18. Bb4 Qc7 19. Bc5 Kb8 20. Bd4 g5 21. Qxg5 Rdg8 22. Qd2 Nh4 23. Kh1 Qg7 24. f4 Nf5 25. Qf2 h4 26. Bxa7+ Kc8 27. Bd4 Ng3+ 28. Kg1 Ne4 29. Qe3 Qf7 0-1

[Event "Toronto"]
[Site "Toronto"]
[Date "1982.02.??"]
[Round "4"]
[White "Van Leusden, Jacques"]
[Black "Buchholz, Martin"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2066"]
[BlackElo "2306"]
[PlyCount "84"]
[EventDate "1982.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nc3 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. g3 g6 6. Bg2 Bg7 7. 0-0 0-0 8. h3 d5 9. Nxc6 bxc6 10. e4 Nxe4 11. Nxe4 dxe4 12. Qe2 f5 13. Rd1 Qc7 14. Qc4+ Kh8 15. Bf4 e5 16. Be3 Re8 17. Bc5 Be6 18. Qa4 Bf8 19. Qa3 Bxc5 20. Qxc5 Rad8 21. b4 Bg8 22. a4 Rd7 23. c4 Red8 24. Rxd7 Rxd7 25. b5 cxb5 26. Qxc7 Rxc7 27. cxb5 Rc2 28. Bf1 Ra2 29. Rxa2 Bxa2 30. a5 Bd5 31. Be2 Kg7 32. Kf1 Kf6 33. Ke1 Ke7 34. Kd2 Kd6 35. Kc3 Kc5 36. h4 Bf7 37. Bf1 h6 38. Be2 Be8 39. Bc4 Bxb5 40. Bf7 g5 41. hxg5 hxg5 42. Bg6 Bd7 1-0

[Event "Toronto"]
[Site "Toronto"]
[Date "1982.02.??"]
[Round "8"]
[White "Van Leusden, Jacques"]
[Black "Day, Lawrence A"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "2066"]
[BlackElo "2439"]
[PlyCount "54"]
[EventDate "1982.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 d6 3. Nf3 Nf6 4. Nc3 Bg7 5. Be2 0-0 6. 0-0 c6 7. a4 a5 8. h3 Na6 9. Bf4 Nb4 10. Qd2 Kh8 11. Rad1 Ng8 12. Kh2 b6 13. Rfe1 Ra7 14. d5 cxd5 15. Nb5 Rd7 16. c3 dxe4 17. Nfd4 e5 18. Bg5 e3 19. Qxe3 exd4 20. Nxd4 Nd5 21. Qd2 Bf6 22. Bxf6+ Qxf6 23. Bb5 Re7 24. Nc6 Rxe1 25. Qxe1 Nc7 26. Nd4 Bb7 27. Qe3 Ne7 0-1

[Event "Toronto"]
[Site "Toronto"]
[Date "1982.02.??"]
[Round "2"]
[White "Van Leusden, Jacques"]
[Black "Hergott, Deen"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2066"]
[BlackElo "2216"]
[PlyCount "86"]
[EventDate "1982.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. f4 g6 3. Nf3 Bg7 4. Nc3 Nc6 5. Bb5 Nd4 6. Nxd4 cxd4 7. Ne2 a6 8. Bc4 b5 9. Bb3 Bb7 10. d3 Nh6 11. f5 e6 12. 0-0 gxf5 13. Ng3 Qh4 14. Nh5 Be5 15. Bf4 Bxf4 16. Rxf4 Ng4 17. h3 Qxh5 18. hxg4 fxg4 19. Qe2 Rg8 20. g3 Qh3 21. Qf2 f5 22. Rxf5 exf5 23. Bxg8 0-0-0 24. Bd5 Bxd5 25. exd5 h5 26. a4 b4 27. c3 h4 28. cxb4 hxg3 29. Rc1+ Kb8 30. Qc2 Qh2+ 31. Qxh2 gxh2+ 32. Kxh2 f4 33. Rc4 Rh8+ 34. Kg2 Rh3 35. Rxd4 f3+ 36. Kf2 Rh2+ 37. Kg3 Rg2+ 38. Kh4 f2 39. Rf4 Kc7 40. Kg5 g3 41. b5 axb5 42. axb5 Rg1 43. d6+ Kxd6 0-1

[Event "Toronto"]
[Site "Toronto"]
[Date "1982.02.??"]
[Round "10"]
[White "Van Leusden, Jacques"]
[Black "Kourkounakis, Ilias"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2066"]
[BlackElo "2246"]
[PlyCount "67"]
[EventDate "1982.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. Be2 Bb5 7. c4 Bxc4 8. Bxc4 Qb4+ 9. Nbd2 dxc4 10. 0-0 Nc6 11. a3 Qb5 12. dxc5 Bxc5 13. Qe2 Nge7 14. b4 Bd4 15. Ne4 0-0 16. Nxd4 Nxd4 17. Qh5 f5 18. Ng5 h6 19. Be3 Qe8 20. Qd1 hxg5 21. Qxd4 f4 22. Bc1 Qc6 23. Qd6 Qxd6 24. exd6 Nd5 25. Re1 Kf7 26. a4 Rfd8 27. b5 Rxd6 28. Ba3 Rd7 29. Re5 c3 30. Rae1 c2 31. g3 Rc8 32. Bc1 Nb4 33. Rxe6 Rd3 34. gxf4 0-1

[Event "Toronto"]
[Site "Toronto"]
[Date "1982.02.??"]
[Round "6"]
[White "Van Leusden, Jacques"]
[Black "Lavin, David"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2066"]
[BlackElo "2191"]
[PlyCount "58"]
[EventDate "1982.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nc3 d5 2. e4 dxe4 3. Nxe4 e5 4. Nf3 f5 5. Bc4 fxe4 6. Nxe5 Qg5 7. d4 Qxg2 8. Qh5+ g6 9. Bf7+ Kd8 10. Bxg6 hxg6 11. Qxh8 Qxh1+ 12. Ke2 Bg4+ 13. Nxg4 Qf3+ 14. Ke1 Qxg4 15. Qxg8 Nd7 16. Bh6 Ke7 17. Rd1 Bxh6 18. Qxa8 e3 19. fxe3 Qg1+ 20. Ke2 Qxe3+ 21. Kf1 Qf3+ 22. Ke1 Be3 23. Rd2 Bxd2+ 24. Kxd2 Nf6 25. c3 Ne4+ 26. Kc2 Qe2+ 27. Kb3 Nd2+ 28. Ka4 Qa6+ 29. Kb4 Qc4+ 0-1

[Event "Toronto"]
[Site "Toronto"]
[Date "1982.02.??"]
[Round "1"]
[White "Van Leusden, Jacques"]
[Black "Morrison, Robert"]
[Result "0-1"]
[ECO "A00"]
[WhiteElo "2066"]
[BlackElo "2341"]
[PlyCount "42"]
[EventDate "1982.02.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. a3 Nf6 2. d4 g6 3. Nf3 Bg7 4. Bg5 c5 5. e3 0-0 6. Nbd2 b6 7. Be2 Bb7 8. 0-0 Nc6 9. c4 cxd4 10. exd4 d5 11. Rc1 h6 12. Bh4 Re8 13. Qa4 g5 14. Bg3 g4 15. Ne5 Nxd4 16. Bd3 Ne4 17. Bxe4 Ne2+ 18. Kh1 dxe4 19. Qd1 Nxg3+ 20. fxg3 e3 21. Qxg4 Qxd2 0-1

[Event "Toronto Reserves"]
[Site "Toronto"]
[Date "1981.03.15"]
[Round "9"]
[White "Murray, Robert"]
[Black "Van Leusden, Jacques"]
[Result "1/2-1/2"]
[ECO "C18"]
[WhiteElo "1930"]
[BlackElo "2015"]
[PlyCount "70"]
[EventDate "1981.02.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Nf3 Nc6 8. a4 Bd7 9. Be2 cxd4 10. cxd4 Nb4 11. c4 dxc4 12. Nd2 Ne7 13. Nxc4 0-0 14. Ba3 Ned5 15. Qb3 a5 16. Rc1 Bc6 17. Nb2 Qb6 18. Rc5 Nf4 19. Qg3 Nxe2 20. Kxe2 Rfd8 21. Qg4 Qa6+ 22. Ke3 Bxa4 23. Bxb4 axb4 24. Ra1 b5 25. Nd3 b3 26. Nf4 b2 27. Nh5 g6 28. Rb1 Rac8 29. Nf6+ Kg7 30. Qg5 Qb6 31. Nh5+ Kg8 32. Nf6+ Kg7 33. Nh5+ Kg8 34. Nf6+ Kg7 35. Nh5+ Kg8 1/2-1/2

[Event "Toronto Reserves"]
[Site "Toronto"]
[Date "1981.02.08"]
[Round "2"]
[White "Saxe, Barry"]
[Black "Van Leusden, Jacques"]
[Result "0-1"]
[ECO "A89"]
[WhiteElo "2075"]
[BlackElo "2015"]
[PlyCount "74"]
[EventDate "1981.02.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 f5 2. d4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 0-0 6. 0-0 d6 7. Nc3 Nc6 8. Be3 e5 9. dxe5 Nxe5 10. Nxe5 dxe5 11. Qb3 c6 12. Rad1 Qe7 13. Na4 Re8 14. Rd2 Ng4 15. Bc5 Qf7 16. h3 Nf6 17. Qc2 f4 18. b3 Bf5 19. Qd1 g5 20. Bd6 Qh5 21. e3 Qh6 22. g4 Be4 23. f3 fxe3 24. Re2 Bg6 25. Rxe3 Rad8 26. Rf2 e4 27. Rd2 exf3 28. Rxf3 Qh4 29. Rf1 Ne4 30. Rd3 Rxd6 31. Rxd6 Nxd6 32. Qxd6 Be5 33. Qd1 Qg3 34. Rf3 Qh2+ 35. Kf1 Bg3 36. Rxg3 Qxg3 37. Nc5 Rf8+ 0-1

[Event "Toronto Reserves"]
[Site "Toronto"]
[Date "1981.02.07"]
[Round "6"]
[White "Van Leusden, Jacques"]
[Black "McGarrett, Ian"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "2015"]
[BlackElo "1775"]
[PlyCount "48"]
[EventDate "1981.02.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 e6 3. e4 d5 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Nf3 0-0 8. c3 b6 9. Bd3 Bb7 10. Qc2 Be7 11. h4 h6 12. g4 f5 13. gxf5 exf5 14. Ned2 Bd6 15. 0-0-0 Bf4 16. Rh3 Qf6 17. h5 Nd7 18. Nh4 c5 19. Bxf5 Rfd8 20. Qb3+ Kh8 21. Ng6+ Kh7 22. Bb1 cxd4 23. Nxf4+ Kh8 24. Ng6+ Kh7 1-0

[Event "Toronto Reserves"]
[Site "Toronto"]
[Date "1980.03.02"]
[Round "11"]
[White "Murray, Robert"]
[Black "Van Leusden, Jacques"]
[Result "1/2-1/2"]
[ECO "B00"]
[WhiteElo "1857"]
[BlackElo "2004"]
[PlyCount "74"]
[EventDate "1980.01.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Bd3 e6 4. Nf3 c5 5. c3 d5 6. e5 Nc6 7. Bg5 Qd7 8. a3 h6 9. Be3 c4 10. Bc2 0-0-0 11. h4 f5 12. exf6 gxf6 13. h5 Bd6 14. Nh4 f5 15. Ng6 Rh7 16. Qf3 Nf6 17. Bf4 Ne4 18. Bxd6 Qxd6 19. Nd2 Rf7 20. Bxe4 dxe4 21. Qe3 f4 22. Qe2 e3 23. fxe3 fxe3 24. Qxe3 Na5 25. 0-0-0 Bxg2 26. Rhg1 Bd5 27. Qxh6 Rf2 28. Rdf1 Qh2 29. Rxf2 Qxf2 30. Rd1 Qe2 31. Nf4 Qe3 32. Qf6 Nb3+ 33. Kc2 Nxd2 34. Rxd2 Be4+ 35. Kc1 Qe1+ 36. Rd1 Qe3+ 37. Rd2 Qe1+ 1/2-1/2

[Event "Toronto Reserves"]
[Site "Toronto"]
[Date "1980.02.24"]
[Round "10"]
[White "Van Leusden, Jacques"]
[Black "Evans, Bill"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "2004"]
[BlackElo "1891"]
[PlyCount "81"]
[EventDate "1980.01.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 Nc6 7. Be3 Ng4 8. Bg1 e5 9. dxe5 dxe5 10. h3 Nh6 11. g4 f5 12. Bc5 Re8 13. g5 Nf7 14. Qe2 Nd4 15. Nxd4 exd4 16. 0-0-0 c6 17. Bc4 Qc7 18. Bxd4 Bxd4 19. Rxd4 Qxf4+ 20. Qd2 Qxd2+ 21. Kxd2 Kg7 22. Bxf7 Kxf7 23. a4 Be6 24. Ke3 Rad8 25. Rhd1 Rxd4 26. Rxd4 c5 27. Rd2 fxe4 28. Nb5 Re7 29. Nxa7 Bxh3 30. Rh2 Bf5 31. Rxh7+ Ke6 32. Rxe7+ Kxe7 33. Nb5 Ke6 34. Nc7+ Ke5 35. Ne8 Bd7 36. Nf6 Bc6 37. c3 Kf5 38. a5 Kxg5 39. Nxe4+ Bxe4 40. Kxe4 c4 41. Ke5 1/2-1/2

[Event "Toronto Reserves"]
[Site "Toronto"]
[Date "1980.02.21"]
[Round "9"]
[White "Hotz, Glyn"]
[Black "Van Leusden, Jacques"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1891"]
[BlackElo "2004"]
[PlyCount "104"]
[EventDate "1980.01.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. c4 d5 3. cxd5 exd5 4. e5 Nc6 5. d4 Bf5 6. Bd3 Bb4+ 7. Nc3 Nge7 8. Bxf5 Nxf5 9. Nf3 Nh4 10. Nxh4 Qxh4 11. Be3 f6 12. exf6 gxf6 13. a3 Bxc3+ 14. bxc3 Rg8 15. Qf3 0-0-0 16. Rb1 a6 17. Qf5+ Rd7 18. 0-0 Qg4 19. Qxg4 Rxg4 20. f3 Rg8 21. Bf4 Re7 22. Rfe1 Rge8 23. Kf2 Na5 24. Rxe7 Rxe7 25. Re1 Rxe1 26. Kxe1 Nc4 27. Bc1 Kd7 28. g4 Ke6 29. f4 f5 30. h3 a5 31. Kf2 Nd6 32. Ke3 b5 33. Ke2 Ne4 34. Bb2 Kf6 35. Ke3 Kg6 36. Ke2 fxg4 37. hxg4 h5 38. gxh5+ Kxh5 39. Ke3 Kg4 40. Ba1 Nd6 41. f5 Nc4+ 42. Kd3 Kxf5 43. Kc2 Nxa3+ 44. Kb3 Nc4 45. Ka2 Ke4 46. Kb1 Kd3 47. Kc1 a4 48. Kd1 Ne3+ 49. Kc1 Nc2 50. Bb2 a3 51. Bxa3 Nxa3 52. Kb2 Kc4 0-1

[Event "Toronto Reserves"]
[Site "Toronto"]
[Date "1980.02.17"]
[Round "8"]
[White "Van Leusden, Jacques"]
[Black "Campbell, Brett"]
[Result "0-1"]
[ECO "B09"]
[WhiteElo "2004"]
[BlackElo "1985"]
[PlyCount "60"]
[EventDate "1980.01.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 g6 3. e4 d6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 Bg4 7. h3 Bxf3 8. Qxf3 Nc6 9. Be3 e5 10. dxe5 dxe5 11. f5 Nd4 12. Qf2 c6 13. g4 h6 14. 0-0-0 b5 15. Rdg1 c5 16. g5 hxg5 17. Bxg5 c4 18. Be2 Qb6 19. Qg2 b4 20. Nd1 Rac8 21. Ne3 b3 22. Bxc4 Rxc4 23. Nxc4 bxa2 24. Nxb6 a1Q+ 25. Kd2 Qxb2 26. Kd1 Qb1+ 27. Kd2 Qxc2+ 28. Ke1 Qb1+ 29. Kf2 Nxe4+ 30. Ke3 Qb3+ 0-1

[Event "Toronto Reserves"]
[Site "Toronto"]
[Date "1980.02.14"]
[Round "7"]
[White "Long, Bob"]
[Black "Van Leusden, Jacques"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "2004"]
[PlyCount "58"]
[EventDate "1980.01.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. b4 Nf6 3. Bb2 Bf5 4. e3 e6 5. a3 a5 6. b5 Nbd7 7. d4 Nb6 8. a4 Bb4+ 9. c3 Bd6 10. Nbd2 0-0 11. Be2 Rc8 12. 0-0 c6 13. Nh4 Ne4 14. Nxf5 exf5 15. Nxe4 fxe4 16. Qb3 cxb5 17. Qxb5 Nc4 18. Bxc4 Rxc4 19. g3 Bc7 20. Qxb7 Qd7 21. Qb3 Rb8 22. Qc2 h5 23. Ba3 Rb6 24. f3 h4 25. fxe4 hxg3 26. e5 Qh3 27. Bd6 Rxc3 28. Qg2 gxh2+ 29. Qxh2 Qxe3+ 0-1

[Event "Toronto Reserves"]
[Site "Toronto"]
[Date "1980.02.10"]
[Round "6"]
[White "Van Leusden, Jacques"]
[Black "Paul, Bennet"]
[Result "1-0"]
[ECO "D01"]
[WhiteElo "2004"]
[BlackElo "1824"]
[PlyCount "69"]
[EventDate "1980.01.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 c5 4. Bxf6 gxf6 5. e4 dxe4 6. dxc5 Qa5 7. Qh5 Be6 8. Bb5+ Nc6 9. Nge2 0-0-0 10. Bxc6 bxc6 11. 0-0 f5 12. Nf4 Bd7 13. Qxf7 Qxc5 14. Ne6 Bxe6 15. Qxe6+ Kc7 16. Rad1 Bg7 17. Na4 Qe5 18. Qc4 Qb5 19. Qf7 Bf6 20. Rxd8 Rxd8 21. Qb3 Qxb3 22. axb3 Rd2 23. c3 Kd6 24. g3 Kd5 25. Re1 e5 26. Kf1 h5 27. Re2 Rd1+ 28. Kg2 h4 29. c4+ Kd4 30. g4 f4 31. Rxe4+ Kxe4 32. Nc3+ Kd3 33. Nxd1 Kc2 34. Nc3 Kd3 35. Kf3 1-0

[Event "Toronto Reserves"]
[Site "Toronto"]
[Date "1980.02.07"]
[Round "5"]
[White "Angermann, John"]
[Black "Van Leusden, Jacques"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1808"]
[BlackElo "2004"]
[PlyCount "70"]
[EventDate "1980.01.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. g3 e5 2. Nf3 Nc6 3. d3 d5 4. Bg2 Nf6 5. 0-0 Be7 6. c3 a5 7. a4 0-0 8. Na3 h6 9. Nb5 Bf5 10. h3 Qd7 11. Kh2 Rad8 12. Bd2 Rfe8 13. Rb1 e4 14. Ne1 exd3 15. Nxd3 Ne4 16. Bf4 Bg5 17. Bxc7 Rc8 18. Bf4 Bxf4 19. Nxf4 d4 20. Nxd4 Nxd4 21. cxd4 Rc4 22. e3 Rec8 23. Nd3 Rc2 24. Nc5 Nxc5 25. dxc5 Rd2 26. e4 Rxd1 27. Rfxd1 Qxa4 28. exf5 Rxc5 29. Rd8+ Kh7 30. Re1 g5 31. Ree8 Kg7 32. g4 Qf4+ 33. Kg1 Rc1+ 34. Bf1 Qc4 35. Rg8+ Kf6 0-1

[Event "Toronto Reserves"]
[Site "Toronto"]
[Date "1980.02.03"]
[Round "4"]
[White "Van Leusden, Jacques"]
[Black "Saxe, Barry"]
[Result "0-1"]
[ECO "B56"]
[WhiteElo "2004"]
[BlackElo "1962"]
[PlyCount "52"]
[EventDate "1980.01.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 4. 0-0 Bd7 5. d4 cxd4 6. Nxd4 Nf6 7. Nc3 g6 8. Be3 Bg7 9. Qe2 0-0 10. Bxc6 bxc6 11. Rad1 Qc7 12. h3 Rab8 13. f4 Rxb2 14. Nb3 Nh5 15. Qd3 Bxc3 16. Qxc3 Rxa2 17. f5 Ng3 18. Nc1 Qa5 19. Qd3 Nxf1 20. Bh6 Qc5+ 21. Kxf1 Rxc2 22. Ne2 Rb8 23. Nd4 Rc3 24. Rb1 Rxb1+ 25. Qxb1 Qb6 26. Qd1 Bc8 0-1

[Event "Toronto Reserves"]
[Site "Toronto"]
[Date "1980.01.31"]
[Round "3"]
[White "Vujosevic, Vojan"]
[Black "Van Leusden, Jacques"]
[Result "1-0"]
[ECO "E43"]
[WhiteElo "1998"]
[BlackElo "2004"]
[PlyCount "89"]
[EventDate "1980.01.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 b6 3. c4 Bb7 4. Nc3 e6 5. Nf3 Bb4 6. Bd2 0-0 7. Bd3 d6 8. 0-0 Nbd7 9. Qc2 c5 10. a3 Bxc3 11. Bxc3 cxd4 12. Nxd4 Nc5 13. f3 Nxd3 14. Qxd3 d5 15. cxd5 Nxd5 16. Bd2 Qf6 17. e4 Nf4 18. Bxf4 Qxf4 19. Rfd1 h5 20. Ne2 Qg5 21. Qd2 Qc5+ 22. Kh1 Rfd8 23. Qxd8+ Rxd8 24. Rxd8+ Kh7 25. Rad1 h4 26. Ng1 f5 27. exf5 Qxf5 28. R8d7 h3 29. R1d2 Bc6 30. Rxa7 Kh6 31. Rf2 Qb1 32. gxh3 Qe1 33. Kg2 e5 34. Re7 Bd5 35. Ne2 e4 36. fxe4 Bc4 37. Ng3 g6 38. h4 Qe3 39. h5 Qc5 40. hxg6 Kxg6 41. Re8 Qg5 42. Ref8 b5 43. R8f4 Qe5 44. Rg4+ Kh7 45. Rf5 1-0

[Event "Toronto Reserves"]
[Site "Toronto"]
[Date "1980.01.27"]
[Round "2"]
[White "Van Leusden, Jacques"]
[Black "Dougherty, Michael J"]
[Result "1-0"]
[ECO "C15"]
[WhiteElo "2004"]
[BlackElo "1875"]
[PlyCount "31"]
[EventDate "1980.01.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 e6 3. e4 Bb4 4. Nge2 dxe4 5. a3 Be7 6. Nf4 Nf6 7. Be3 b6 8. Bc4 Ba6 9. Bxa6 Nxa6 10. Qe2 Qc8 11. 0-0-0 Qb7 12. d5 exd5 13. Nfxd5 Nxd5 14. Nxd5 Rd8 15. Qxa6 Qc6 16. Qb5 1-0

[Event "Toronto Reserves"]
[Site "Toronto"]
[Date "1980.01.24"]
[Round "1"]
[White "Van Leusden, Jacques"]
[Black "Kremer, Mark"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2004"]
[BlackElo "1867"]
[PlyCount "81"]
[EventDate "1980.01.24"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d6 3. e4 Nbd7 4. Nf3 e5 5. Bc4 Be7 6. dxe5 dxe5 7. 0-0 0-0 8. Qe2 c6 9. Rd1 Qc7 10. a4 h6 11. Nh4 Nc5 12. Nf5 Ne6 13. Qf3 Nd4 14. Nxd4 Bg4 15. Qg3 Bxd1 16. Nf5 Bg4 17. Bxh6 gxh6 18. Nxh6+ Kh7 19. Nxg4 Nxg4 20. Qxg4 Qd6 21. Qf5+ Kg7 22. Rd1 Qf6 23. Qg4+ Qg5 24. Qf3 Rad8 25. Rxd8 Bxd8 26. Ne2 Bf6 27. Ng3 Rd8 28. h4 Qc1+ 29. Kh2 Qf4 30. Qxf4 exf4 31. Nh5+ Kg6 32. Nxf4+ Kh6 33. Nd3 Kg7 34. e5 Bxh4 35. g3 Be7 36. f4 Rd4 37. b3 Re4 38. Nf2 Re1 39. Bd3 a6 40. Ne4 Rd1 41. g4 1/2-1/2

[Event "Toronto Summer Special"]
[Site "Toronto"]
[Date "1979.08.12"]
[Round "9"]
[White "Van Leusden, Jacques"]
[Black "Pajak, John T"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1982"]
[BlackElo "2083"]
[PlyCount "87"]
[EventDate "1979.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. f4 g6 3. Nf3 Bg7 4. Nc3 Nc6 5. Bb5 d6 6. 0-0 a6 7. Bxc6+ bxc6 8. d3 Rb8 9. Qe1 Nh6 10. f5 Ng4 11. Qh4 gxf5 12. exf5 h5 13. h3 Nh6 14. Bxh6 Bxh6 15. Ng5 Bg7 16. Rae1 Bd4+ 17. Kh1 Rxb2 18. Nce4 Rxc2 19. f6 e5 20. Nxf7 Kxf7 21. Ng5+ Ke8 22. Qe4 Kd7 23. Nf7 Qg8 24. Nxh8 Qxh8 25. Qg6 Qf8 26. Qg7+ Ke8 27. Qc7 Bd7 28. Rb1 Bb2 29. Qb8+ Kf7 30. Rxb2 Rxb2 31. Qxb2 Qc8 32. Qe2 Qh8 33. Qe4 Qh6 34. Qc4+ Be6 35. Qxa6 Bd5 36. Qb7+ Kg6 37. f7 Qf8 38. a4 c4 39. dxc4 Bxc4 40. Rf2 Bd5 41. a5 e4 42. Qb2 Kh7 43. Qf6 e3 44. Rf5 1-0

[Event "Toronto op"]
[Site "Toronto"]
[Date "1979.04.14"]
[Round "3"]
[White "Morrison, Robert"]
[Black "Van Leusden, Jacques"]
[Result "0-1"]
[ECO "C63"]
[WhiteElo "2113"]
[BlackElo "1962"]
[PlyCount "50"]
[EventDate "1979.04.13"]
[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 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qd5 8. c4 Qd6 9. Nxa7+ Bd7 10. Bxd7+ Qxd7 11. Nb5 Nf6 12. 0-0 c6 13. Nc3 Bc5 14. Qe2 0-0 15. Nd1 Ng4 16. Ne3 Ne5 17. f3 exf3 18. gxf3 Nxf3+ 19. Kh1 Nd4 20. Rxf8+ Rxf8 21. Qg4 Qxg4 22. Nxg4 Nc2 23. Rb1 Ne1 24. h4 Rf1+ 25. Kh2 Bd6+ 0-1

[Event "Toronto"]
[Site "Toronto"]
[Date "1979.??.??"]
[Round "?"]
[White "Stoll, Drew Lamb"]
[Black "Van Leusden, Jacques"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2078"]
[BlackElo "1931"]
[PlyCount "73"]
[EventDate "1979.??.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. Ngf3 c5 5. g3 Nc6 6. Bg2 Be7 7. 0-0 0-0 8. e5 Nd7 9. Re1 b5 10. Nf1 Bb7 11. h4 Qb6 12. N1h2 a5 13. Ng4 Rfc8 14. Bg5 Qd8 15. Qe2 a4 16. a3 b4 17. Qe3 bxa3 18. bxa3 Ba6 19. c4 dxc4 20. Bxe7 Qxe7 21. Ng5 Nf8 22. dxc4 Rab8 23. Bxc6 Rxc6 24. Qf3 Rcb6 25. Nf6+ Kh8 26. Nfxh7 g6 27. Nf6 Bb7 28. Qg4 Ba8 29. h5 Qb7 30. Qh3 Kg7 31. Nge4 Rd8 32. Qh4 Qe7 33. hxg6 Bxe4 34. Rxe4 fxg6 35. Nh5+ Kf7 36. Rf4+ Ke8 37. Nf6+ 1-0

[Event "Canadian op"]
[Site "Hamilton"]
[Date "1978.07.14"]
[Round "11"]
[White "Brodie, Hugh"]
[Black "Van Leusden, Jacques"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "1757"]
[BlackElo "1960"]
[PlyCount "88"]
[EventDate "1978.07.03"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. b3 Bg4 4. Bb2 Nd7 5. d3 Ngf6 6. Nbd2 e6 7. g3 Bc5 8. Bg2 0-0 9. 0-0 Qe7 10. a3 a5 11. Qc2 h6 12. Rfe1 e5 13. e4 d4 14. Nh4 Nh5 15. Nf1 Qf6 16. h3 Be6 17. Qe2 g6 18. Bc1 Kh7 19. Nh2 Bd6 20. Ng4 Bxg4 21. Qxg4 Nc5 22. Qd1 Ng7 23. Rb1 g5 24. Nf5 Nxf5 25. exf5 Kg7 26. g4 e4 27. Bxe4 Qe5 28. f4 gxf4 29. Bxc6 Qf6 30. Bg2 Rfe8 31. Rf1 Re7 32. b4 axb4 33. axb4 Na4 34. Bd2 Re3 35. Rf3 Nc3 36. Bxc3 dxc3 37. d4 Rae8 38. Rxe3 Rxe3 39. Bxb7 c2 40. Qxc2 Qxd4 41. Kg2 Rg3+ 42. Kh1 Rxh3+ 43. Kg2 Rg3+ 44. Kh1 f3 0-1

[Event "Quebec op"]
[Site "Montreal"]
[Date "1977.07.17"]
[Round "8"]
[White "Van Leusden, Jacques"]
[Black "Jobin, Gilles G"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "2036"]
[BlackElo "1799"]
[PlyCount "65"]
[EventDate "1977.07.10"]
[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 Nf6 4. d4 exd4 5. 0-0 Be7 6. e5 Ne4 7. Bd5 Nc5 8. Re1 0-0 9. Nxd4 Nxd4 10. Qxd4 c6 11. Bb3 d5 12. Nc3 Bf5 13. Bf4 Qd7 14. Rad1 b6 15. Qe3 Rad8 16. Qg3 Qe6 17. f3 Nxb3 18. cxb3 d4 19. Ne4 Bxe4 20. Rxe4 c5 21. Bc1 Rd5 22. Rde1 Rfd8 23. f4 Qg6 24. Qf3 b5 25. f5 Qb6 26. f6 Bf8 27. fxg7 Bxg7 28. Bg5 f6 29. Bxf6 Bxf6 30. exf6 R5d7 31. Qg4+ Kf8 32. Re8+ Rxe8 33. Rxe8+ 1-0

[Event "Quebec op"]
[Site "Montreal"]
[Date "1976.10.10"]
[Round "3"]
[White "Jobin, Gilles G"]
[Black "Van Leusden, Jacques"]
[Result "1/2-1/2"]
[ECO "C56"]
[WhiteElo "1725"]
[BlackElo "2016"]
[PlyCount "135"]
[EventDate "1976.10.09"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 Bc5 6. Bg5 d6 7. c3 Bg4 8. Nbd2 Ne5 9. Qa4+ Bd7 10. Qb3 Nxc4 11. Qxc4 b5 12. Bxf6 Qxf6 13. e5 Qxf3 14. Qxc5 Qxg2+ 15. Kxg2 dxc5 16. cxd4 cxd4 17. Rac1 0-0-0 18. Rc5 Rhe8 19. Ne4 Kb8 20. Rfc1 Re7 21. Kg3 Be8 22. f4 d3 23. Kf3 d2 24. Rd1 Rd3+ 25. Ke2 Rh3 26. Rxd2 Rxh2+ 27. Nf2 f6 28. Ke3 fxe5 29. fxe5 Kb7 30. b4 Kb6 31. Rd8 a5 32. a3 axb4 33. axb4 Rh5 34. Kd4 Rd7+ 35. Rxd7 Bxd7 36. e6 Be8 37. Rxh5 Bxh5 38. Ne4 Kc6 39. Ke5 Be8 40. Ng5 h5 41. Nf3 Kb6 42. e7 c5 43. bxc5+ Kxc5 44. Ng5 Kc6 45. Ne6 g6 46. Nd4+ Kd7 47. Nxb5 Kxe7 48. Nd4 Bc6 49. Ne2 h4 50. Ng1 Bg2 51. Kf4 Kf6 52. Ne2 h3 53. Kg3 g5 54. Nc3 Ke5 55. Nd1 Ke4 56. Nf2+ Ke3 57. Ng4+ Ke2 58. Nh2 Ke1 59. Ng4 Ke2 60. Nh2 Ke3 61. Ng4+ Ke4 62. Nh2 Kf5 63. Ng4 Kg6 64. Nh2 Kh5 65. Ng4 Bb7 66. Nf2 h2 67. Kxh2 Kh4 68. Nh3 1/2-1/2

