[Event "Leiden SB-ch 1920"]
[Site "Leiden"]
[Date "2020.02.21"]
[Round "5"]
[White "Hordijk, Frank"]
[Black "Tolenaar, Jan"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1594"]
[BlackElo "1993"]
[PlyCount "77"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 a6 5. Bf4 dxc4 6. Qxc4 e6 7. g3 Be7 8. Bg2 0-0 9. 0-0 Nbd7 10. Nc3 Nb6 11. Qd3 Nbd5 12. Nxd5 Nxd5 13. Bd2 b6 14. Ne5 Bb7 15. a3 Rc8 16. Rac1 c5 17. dxc5 Bxc5 18. b4 Bd6 19. Nc4 Be7 20. e4 Nf6 21. Qxd8 Rcxd8 22. Bg5 b5 23. Na5 Ba8 24. Nc6 Bxc6 25. Rxc6 h6 26. Be3 Ra8 27. h3 a5 28. Rc7 Bd8 29. Rb7 axb4 30. axb4 Ra4 31. Bc5 Re8 32. Rxb5 Nd7 33. Rc1 Bf6 34. Rb7 Ne5 35. Bf1 Rc8 36. Kg2 Ra2 37. b5 Rd8 38. Be3 Rb2 39. b6 1-0

[Event "Leiden SB-ch 1920"]
[Site "Leiden"]
[Date "2020.01.24"]
[Round "4"]
[White "Tolenaar, Jan"]
[Black "Bakhuijzen, Nathan"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1993"]
[PlyCount "85"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 Bg4 4. Ne5 Bf5 5. e3 e6 6. g4 Be4 7. f3 Bg6 8. h4 h6 9. Nxg6 fxg6 10. Bd3 Bd6 11. Bxg6+ Kd7 12. Nc3 Bxf4 13. exf4 Nc6 14. Qd2 Ne7 15. Bd3 c6 16. 0-0-0 Qc7 17. Rde1 Rae8 18. Re5 Nc8 19. Rhe1 Rhf8 20. Bg6 Re7 21. Nd1 Qd6 22. Nf2 Kd8 23. Nd3 Nd7 24. R5e2 Rf6 25. Ne5 Nf8 26. Bd3 Nd7 27. g5 hxg5 28. hxg5 Rf8 29. Ng6 Rff7 30. Nxe7 Rxe7 31. f5 exf5 32. Bxf5 Rxe2 33. Rxe2 g6 34. Bg4 Qg3 35. Qe3 Kc7 36. Bxd7 Kxd7 37. Qe8+ Kc7 38. Qe5+ Qxe5 39. Rxe5 Kd7 40. Kd2 Ne7 41. Kd3 Nf5 42. Rxf5 gxf5 43. f4 1-0

[Event "Leiden SB-ch 1920"]
[Site "Leiden"]
[Date "2019.12.20"]
[Round "3"]
[White "Hubert, Michel1"]
[Black "Tolenaar, Jan"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "1840"]
[BlackElo "1993"]
[PlyCount "58"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 a6 5. cxd5 cxd5 6. Bf4 Nc6 7. Rc1 Bf5 8. e3 e6 9. Bd3 Bxd3 10. Qxd3 Be7 11. h3 0-0 12. 0-0 Rc8 13. Ne5 Nxe5 14. Bxe5 Nd7 15. Bg3 Nb6 16. Rc2 Qd7 17. Rfc1 Rfd8 18. Ne2 Rxc2 19. Rxc2 Rc8 20. b3 Rc6 21. Rxc6 Qxc6 22. Qc3 Qxc3 23. Nxc3 Bb4 24. Ne2 Kf8 25. Kf1 Ke7 26. Nc1 Nc8 27. Nd3 Bd6 28. Bxd6+ Kxd6 29. Nc5 Kc6 1/2-1/2

[Event "Leiden SB-ch 1920"]
[Site "Leiden"]
[Date "2019.11.29"]
[Round "2"]
[White "Tolenaar, Jan"]
[Black "Huizer, Olivier"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1993"]
[BlackElo "1729"]
[PlyCount "90"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 Be7 4. Bd3 b6 5. Nd2 Bb7 6. Ngf3 Nh5 7. Bg3 d6 8. c3 c5 9. Qe2 Nc6 10. Rc1 Bf6 11. Ne4 Be7 12. Ned2 Bf6 13. Bb5 0-0 14. 0-0 Qc7 15. Ne4 Be7 16. Bh4 Bxh4 17. Nxh4 g6 18. g4 Qe7 19. Ng2 Nf6 20. Ng3 Nd7 21. f4 f5 22. gxf5 exf5 23. d5 Ncb8 24. c4 Nf6 25. h3 Kh8 26. Ba4 a6 27. Bc2 b5 28. b3 Nbd7 29. Qd3 Rfe8 30. Qc3 Kg8 31. Kh2 Rad8 32. Rg1 Qg7 33. Nxf5 Ng4+ 34. hxg4 Qxc3 35. Nxd6 Rxe3 36. Nxe3 Qxe3 37. Nxb7 Qxf4+ 38. Kh1 Qf3+ 39. Kh2 Re8 40. Rg3 Re2+ 41. Kh3 Qf2 42. g5 Qh2+ 43. Kg4 Ne5+ 44. Kf4 Qf2+ 45. Rf3 Qxf3# 0-1

[Event "Leiden SB-ch 1920"]
[Site "Leiden"]
[Date "2019.11.08"]
[Round "1"]
[White "Van Wessel, Rudy"]
[Black "Tolenaar, Jan"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2368"]
[BlackElo "1993"]
[PlyCount "57"]
[EventDate "2019.11.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 Nf6 4. Nd2 e6 5. c3 Nc6 6. Ngf3 Bd6 7. Bg3 0-0 8. Bd3 c4 9. Bc2 Ne7 10. Bxd6 Qxd6 11. Ne5 b5 12. a3 a5 13. 0-0 Bb7 14. Qf3 Nd7 15. Qh3 f5 16. f4 Nf6 17. g4 Ne4 18. Nxe4 dxe4 19. Bd1 Bd5 20. Be2 a4 21. Rf2 Ra7 22. Rg2 Rf6 23. Qh5 Qd8 24. Kh1 g6 25. Qh4 Rf8 26. Qh6 fxg4 27. Bxg4 Nf5 28. Bxf5 exf5 29. Nxg6 1-0

[Event "Leiden SB-ch 1819"]
[Site "Leiden"]
[Date "2019.06.21"]
[Round "9"]
[White "Hettfleisch, Maurice"]
[Black "Tolenaar, Jan"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "1751"]
[BlackElo "2048"]
[PlyCount "73"]
[EventDate "2018.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 4. h3 Bxf3 5. Qxf3 Nf6 6. e5 Nfd7 7. d4 e6 8. Bd2 c5 9. 0-0-0 cxd4 10. Nb5 Nc6 11. Qg3 Rc8 12. f4 g6 13. h4 a6 14. h5 axb5 15. hxg6 fxg6 16. Bd3 Qe7 17. Bxg6+ Kd8 18. f5 Kc7 19. Bg5 Qc5 20. fxe6 Ndxe5 21. Rxh7+ Rxh7 22. Bxh7 Kb6 23. Bf5 Bd6 24. Bf4 Ne7 25. Bxe5 Nxf5 26. Qd3 Bxe5 27. Qxf5 Qc4 28. e7 Bf4+ 29. Kb1 Qe2 30. Rg1 Qe4 31. Qxc8 Qxe7 32. Qf5 Qe4 33. Qf6+ Kc5 34. Rf1 d3 35. Qxf4 dxc2+ 36. Kc1 Qxg2 37. Qf2+ 1-0

[Event "Leiden SB-ch 1819"]
[Site "Leiden"]
[Date "2019.05.24"]
[Round "8"]
[White "Tolenaar, Jan"]
[Black "De Weert, Chris WJ"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2048"]
[BlackElo "1742"]
[PlyCount "155"]
[EventDate "2018.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nd2 c5 5. c3 Nc6 6. Ngf3 Bd6 7. Ne5 0-0 8. Bd3 Qc7 9. Ndf3 Ne4 10. Nxc6 Bxf4 11. Nce5 Bxe5 12. Nxe5 f6 13. Nf3 b6 14. Nd2 Nxd2 15. Qxd2 e5 16. dxc5 Qxc5 17. 0-0-0 Be6 18. Qc2 g6 19. Qa4 a6 20. Kb1 b5 21. Qb3 Bf7 22. Rd2 Rfc8 23. Be2 d4 24. exd4 exd4 25. cxd4 Qg5 26. Qe3 Qd5 27. b3 Rab8 28. Bf3 Qd6 29. d5 Rc7 30. Re1 Rbc8 31. Qd4 Rc3 32. Kb2 a5 33. Qxc3 Rxc3 34. Kxc3 f5 35. Kb2 a4 36. Rc1 a3+ 37. Kc2 g5 38. g3 f4 39. Kd1 fxg3 40. hxg3 Qf6 41. Bg2 Bh5+ 42. Ke1 Bf3 43. Bxf3 Qxf3 44. Rc6 Qh1+ 45. Ke2 Qe4+ 46. Kd1 Qb1+ 47. Rc1 Qe4 48. d6 Qf3+ 49. Kc2 Qe4+ 50. Rd3 Qe2+ 51. Kc3 Qb2+ 52. Kb4 Qxc1 53. d7 Qe1+ 54. Kxa3 Qa5+ 55. Kb2 Qd8 56. g4 Kf7 57. a4 bxa4 58. b4 Ke6 59. Ka3 Ke5 60. f3 Kf4 61. Kxa4 Qa8+ 62. Kb3 Qd8 63. b5 Ke5 64. Kc4 Qc7+ 65. Kb4 Qd8 66. Rd2 Kf4 67. Rd6 Ke5 68. Rd3 Kf4 69. Kb3 Kg3 70. Kc2 Kf4 71. Kd2 Kg3 72. b6 Kf2 73. b7 h6 74. Kc2 Ke2 75. b8Q Qxb8 76. d8Q Qxd8 77. Rxd8 Kxf3 78. Rd4 1-0

[Event "Leiden SB-ch 1819"]
[Site "Leiden"]
[Date "2019.04.26"]
[Round "7"]
[White "Van der Hoeven, Carsten"]
[Black "Tolenaar, Jan"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1603"]
[BlackElo "2048"]
[PlyCount "62"]
[EventDate "2018.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. exd5 Nf6 5. Nf3 Nxd5 6. Nc3 e6 7. Be2 Nc6 8. 0-0 Be7 9. d4 0-0 10. Be3 b6 11. Rc1 Bb7 12. a3 Nxc3 13. Rxc3 Bf6 14. Qc2 Rc8 15. Rd1 Ne7 16. Ne5 Rxc3 17. Qxc3 Nd5 18. Qd3 Qd6 19. Ng4 Be7 20. Rd2 Rd8 21. Bd1 Nf4 22. Bxf4 Qxf4 23. Bc2 g6 24. Ne3 Bf6 25. Re2 Rxd4 26. Qb5 Qg5 27. Qe8+ Kg7 28. Qb8 Bf3 29. Re1 Be5 30. Qxa7 Bxh2+ 31. Kf1 Qb5+ 0-1

[Event "Leiden SB-ch 1819"]
[Site "Leiden"]
[Date "2019.03.22"]
[Round "6"]
[White "Tolenaar, Jan"]
[Black "Evenhuis, Wybe"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2048"]
[BlackElo "1891"]
[PlyCount "138"]
[EventDate "2018.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. Nf3 Bg7 4. e3 d6 5. h3 0-0 6. Be2 Nbd7 7. 0-0 c6 8. c4 Qb6 9. Qc2 Re8 10. Bh2 a5 11. Nc3 h6 12. Rac1 Qa7 13. Rfd1 e5 14. dxe5 dxe5 15. e4 Nh7 16. Kf1 Nhf8 17. Bg1 Ne6 18. Na4 Nf4 19. c5 Bf8 20. Nd2 Nxe2 21. Kxe2 Be7 22. f3 Bg5 23. Nc4 Qa6 24. Ke1 Nf8 25. Nab6 Be6 26. Nxa8 Rxa8 27. Be3 Bh4+ 28. Bf2 Bg5 29. Nxe5 a4 30. h4 Bf6 31. f4 g5 32. hxg5 hxg5 33. g3 Bxa2 34. Nd7 Nxd7 35. Rxd7 Be6 36. Rd6 Qa5+ 37. Kf1 Qb5+ 38. Kg1 Qxb2 39. e5 Qxc2 40. Rxc2 Be7 41. Rdd2 a3 42. Bd4 a2 43. Ba1 Ra5 44. f5 Bd5 45. f6 Bxc5+ 46. Kh2 Be3 47. Re2 Bb6 48. g4 Ra4 49. Rb2 Bd4 50. Rxa2 Bxa2 51. Bxd4 Rxd4 52. Rxa2 Rxg4 53. Ra8+ Kh7 54. Rf8 Kg6 55. Rg8+ Kf5 56. Rf8 Kxe5 57. Rxf7 b5 58. Rf8 Rf4 59. f7 Ke6 60. Rc8 Kxf7 61. Rxc6 b4 62. Rb6 Ke7 63. Kg3 Rc4 64. Rb5 Kf6 65. Kf3 g4+ 66. Kg3 Ke6 67. Rg5 Kd6 68. Kf2 Kc6 69. Ke2 b3 0-1

[Event "Leiden SB-ch 1819"]
[Site "Leiden"]
[Date "2019.02.15"]
[Round "5"]
[White "Ada, Onur"]
[Black "Tolenaar, Jan"]
[Result "0-1"]
[ECO "B17"]
[WhiteElo "1575"]
[BlackElo "2048"]
[PlyCount "68"]
[EventDate "2018.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Bf4 Ngf6 6. Qe2 Nxe4 7. Qxe4 Nf6 8. Qd3 Qa5+ 9. Bd2 Qc7 10. 0-0-0 Bg4 11. Be2 e6 12. Bxg4 Nxg4 13. Qe2 Nf6 14. Nf3 Be7 15. Ne5 0-0 16. h4 c5 17. Bf4 Qa5 18. Kb1 Rac8 19. Bg5 Rfd8 20. Bxf6 Bxf6 21. Qh5 Qc7 22. Ng4 Bxd4 23. c3 Rd5 24. Nh6+ gxh6 25. Qxh6 Bg7 26. Qe3 Rxd1+ 27. Rxd1 Rd8 28. Re1 Qd6 29. Kc2 e5 30. h5 Bh6 31. Qg3+ Kf8 32. Qxe5 Qd3+ 33. Kb3 Qb5+ 34. Kc2 Rd2+ 0-1

[Event "Leiden SB-ch 1819"]
[Site "Leiden"]
[Date "2019.01.11"]
[Round "4"]
[White "Tolenaar, Jan"]
[Black "Van Wissen, Michiel"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2048"]
[BlackElo "2242"]
[PlyCount "30"]
[EventDate "2018.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 d6 4. h3 Bg7 5. Nf3 0-0 6. Be2 Nfd7 7. Bh2 e5 8. c3 b6 9. 0-0 Bb7 10. a4 a5 11. Na3 Qe7 12. dxe5 dxe5 13. Nb5 Nc5 14. Nd2 Rd8 15. Bc4 Ne4 0-1

[Event "Leiden SB-ch 1819"]
[Site "Leiden"]
[Date "2018.12.07"]
[Round "3"]
[White "Beetstra, Jaap"]
[Black "Tolenaar, Jan"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "1722"]
[BlackElo "2048"]
[PlyCount "63"]
[EventDate "2018.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. Bf4 Bd7 8. c5 a5 9. Nb5 0-0 10. Bd3 Bxb5 11. Bxb5 Nc6 12. a3 a4 13. 0-0 Qa5 14. Qe2 Rfc8 15. Rac1 b6 16. cxb6 Qxb6 17. Bxc6 Rxc6 18. Rxc6 Qxc6 19. Rc1 Qb6 20. Qc2 h6 21. Qc6 Ra6 22. Qc7 Bd6 23. Bxd6 Qxd6 24. Ne5 Qxc7 25. Rxc7 Rb6 26. Rc2 Rb3 27. Kf1 Ne4 28. Nd7 Rd3 29. Rc8+ Kh7 30. Nf8+ Kg8 31. Ng6+ Kh7 32. Nf8+ 1/2-1/2

[Event "Leiden SB-ch 1819"]
[Site "Leiden"]
[Date "2018.11.09"]
[Round "2"]
[White "Tolenaar, Jan"]
[Black "Kuiper, Machiel"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2048"]
[BlackElo "1483"]
[PlyCount "81"]
[EventDate "2018.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d6 2. Bf4 g6 3. e3 Bg7 4. Nf3 Nf6 5. Be2 Nc6 6. h3 0-0 7. 0-0 Re8 8. c4 Nh5 9. Bh2 e5 10. Nc3 exd4 11. Nxd4 Nf6 12. Bf3 Bd7 13. Rc1 Rb8 14. a3 Bh6 15. b4 Ne5 16. Be2 Bf5 17. Qb3 Qd7 18. Nd5 Bg7 19. Rfd1 Bxh3 20. gxh3 Qxh3 21. e4 Qd7 22. Nxf6+ Bxf6 23. f3 Bg7 24. Qe3 Qh3 25. Bf1 Bh6 26. Qf2 Qh5 27. Rc3 c5 28. Nb5 Re6 29. Rxd6 Rxd6 30. Nxd6 Rd8 31. bxc5 b6 32. cxb6 axb6 33. Qxb6 Rf8 34. Qf2 Rd8 35. c5 Bg7 36. Bc4 Rd7 37. Bd5 Qh6 38. c6 Rc7 39. Ne8 Nxc6 40. Nxg7 Qxg7 41. Rxc6 1-0

[Event "Leiden SB-ch 1819"]
[Site "Leiden"]
[Date "2018.10.19"]
[Round "1"]
[White "Pijpers, Arthur"]
[Black "Tolenaar, Jan"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2483"]
[BlackElo "2048"]
[PlyCount "59"]
[EventDate "2018.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. Nf3 Bg4 5. dxc5 e6 6. b4 Nc6 7. Bb5 Qc7 8. Bb2 Nge7 9. Nbd2 g6 10. h3 Bxf3 11. Nxf3 Bg7 12. a3 0-0 13. Qe2 a5 14. Bxc6 bxc6 15. 0-0 axb4 16. axb4 Rfb8 17. c3 Qb7 18. Rxa8 Rxa8 19. Bc1 Ra1 20. Bg5 Rxf1+ 21. Qxf1 h6 22. Bxe7 Qxe7 23. Qa6 Qc7 24. Qb6 Bxe5 25. Qxc7 Bxc7 26. Nd4 Kf8 27. Nxc6 Ke8 28. b5 Kd7 29. Na7 Ba5 30. b6 1-0

[Event "Leiden Noteboom Memorial 70th"]
[Site "Leiden"]
[Date "2010.02.14"]
[Round "5"]
[White "Driessens, Patrick"]
[Black "Tolenaar, Jan"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "2322"]
[PlyCount "65"]
[EventDate "2010.02.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 134 Extra"]
[Source "ChessBase"]
[SourceDate "2010.03.03"]
[SourceVersion "1"]
[SourceVersionDate "2010.03.03"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. Bf4 Nf6 7. e3 Be6 8. Bb5 Bd6 9. Bxd6 Qxd6 10. 0-0 0-0 11. dxc5 Qxc5 12. Rc1 Qe7 13. Bxc6 bxc6 14. Na4 Rac8 15. Qd4 Rc7 16. Nc5 Bc8 17. Qe5 Qxe5 18. Nxe5 Re8 19. Nf3 Kf8 20. Nd4 a6 21. Rc2 Ke7 22. Rfc1 Rd8 23. Ncb3 Bd7 24. Nxc6+ Bxc6 25. Rxc6 Rxc6 26. Rxc6 Rd6 27. Rc2 Rb6 28. f3 Ne8 29. Nd4 Nd6 30. Kf2 Kd7 31. g4 a5 32. b3 Nb5 33. Rc5 1-0

[Event "Leiden Noteboom Memorial 68th"]
[Site "Leiden"]
[Date "2008.02.02"]
[Round "4"]
[White "Tolenaar, Jan"]
[Black "Li, Shilong"]
[Result "0-1"]
[ECO "A16"]
[BlackElo "2502"]
[PlyCount "52"]
[EventDate "2008.02.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 122 Extra"]
[Source "ChessBase"]
[SourceDate "2008.03.04"]
[SourceVersion "1"]
[SourceVersionDate "2008.03.04"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 Nc6 7. d3 Nh5 8. Rb1 f5 9. Bd2 a5 10. a3 f4 11. b4 axb4 12. axb4 Bg4 13. b5 Nd4 14. Nxd4 Bxd4 15. Kh1 Qd7 16. Qe1 c6 17. gxf4 Bxc3 18. Bxc3 Nxf4 19. f3 Nxg2 20. Kxg2 Bh3+ 21. Kg1 Bxf1 22. Qxf1 Ra2 23. bxc6 bxc6 24. Qf2 Rc2 25. Ba1 Qe6 26. Qd4 Rf6 0-1

[Event "Guernsey op 12th"]
[Site "Guernsey"]
[Date "1986.??.??"]
[Round "2"]
[White "Hodgson, Julian M"]
[Black "Tolenaar, Jan"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2500"]
[PlyCount "37"]
[EventDate "1986.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GCI"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 g6 2. e4 Bg7 3. Nf3 d6 4. c3 Nf6 5. Bd3 0-0 6. Bg5 c5 7. Nbd2 Bg4 8. h3 Bxf3 9. Nxf3 cxd4 10. cxd4 h6 11. Be3 Qa5+ 12. Nd2 Nfd7 13. 0-0 Nc6 14. Nb3 Qa4 15. Qe2 a6 16. Bc2 Bxd4 17. Nxd4 Nxd4 18. Bxa4 Nxe2+ 19. Kh2 1-0

[Event "Guernsey op 12th"]
[Site "Guernsey"]
[Date "1986.??.??"]
[Round "5"]
[White "Tolenaar, Jan"]
[Black "Bellin, Robert"]
[Result "1/2-1/2"]
[ECO "A22"]
[BlackElo "2380"]
[PlyCount "46"]
[EventDate "1986.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GCI"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. g3 Bb4 4. Qc2 0-0 5. Nd5 Nxd5 6. cxd5 c6 7. a3 Bd6 8. Bg2 cxd5 9. Bxd5 Nc6 10. Nf3 Ne7 11. Ba2 Qc7 12. Qb3 Bc5 13. Qc3 d6 14. 0-0 Bg4 15. d4 exd4 16. Nxd4 Rac8 17. b4 Bb6 18. Qxc7 Rxc7 19. Bb2 Bxd4 20. Bxd4 Nc6 21. Be3 Bxe2 22. Rfc1 a6 23. Bd5 Rd7 1/2-1/2

[Event "Guernsey op 12th"]
[Site "Guernsey"]
[Date "1986.??.??"]
[Round "7"]
[White "Tolenaar, Jan"]
[Black "Lindner, LL."]
[Result "1-0"]
[ECO "A25"]
[PlyCount "93"]
[EventDate "1986.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "GCI"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d3 Nf6 5. g3 Bb4 6. Bg2 Bxc3+ 7. bxc3 0-0 8. 0-0 d6 9. Rb1 Rb8 10. d4 Qe8 11. Ba3 Ne4 12. Qd3 Kh8 13. c5 dxc5 14. d5 Na5 15. c4 Nd6 16. Qc3 b6 17. Nxe5 Ba6 18. Bxc5 Naxc4 19. Nc6 Ra8 20. Bd4 Rf7 21. Rfe1 Bb7 22. e4 Bxc6 23. dxc6 fxe4 24. Bxe4 Nxe4 25. Qxc4 Re7 26. Rbd1 Nd6 27. Qc3 Rxe1+ 28. Rxe1 Qf7 29. Be5 Rd8 30. Bxd6 Rxd6 31. Qf3 Rf6 32. Qd3 h6 33. Qd8+ Kh7 34. Re7 Qg6 35. Re8 Qb1+ 36. Kg2 Qc2 37. Rh8+ Kg6 38. Qe8+ Rf7 39. Qe6+ Rf6 40. Qg4+ Kf7 41. Qh5+ Qg6 42. Qd5+ Re6 43. Rc8 Qe4+ 44. Qxe4 Rxe4 45. Rxc7+ Re7 46. Rb7 Ke6 47. c7 1-0

