[Event "Leiden SB-ch 1920"]
[Site "Leiden"]
[Date "2020.02.21"]
[Round "5"]
[White "Birginia, Jaden"]
[Black "Rosendaal, Frits"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "35"]
[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 cxd4 4. exd4 Nc6 5. c3 Bf5 6. Qb3 Qd7 7. Nf3 a6 8. Nbd2 b5 9. a4 b4 10. cxb4 e6 11. b5 Nb4 12. Rc1 Rc8 13. Rxc8+ Qxc8 14. Qc3 Qxc3 15. bxc3 Nd3+ 16. Bxd3 Bxd3 17. b6 Ne7 18. Ne5 1-0

[Event "Leiden SB-ch 1920"]
[Site "Leiden"]
[Date "2020.01.24"]
[Round "4"]
[White "Feiner, Reinier"]
[Black "Rosendaal, Frits"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1968"]
[PlyCount "65"]
[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. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Bc5 6. c3 d6 7. d4 exd4 8. cxd4 Bb6 9. h3 Nf6 10. 0-0 0-0 11. Nc3 h6 12. Bf4 Re8 13. Re1 Bb7 14. a3 Na5 15. Bc2 Qd7 16. Qd3 c5 17. e5 c4 18. Qe3 dxe5 19. Bxe5 Nc6 20. Rad1 Rad8 21. Qf4 Nd5 22. Qe4 g6 23. Qh4 h5 24. Ne4 Nxe5 25. dxe5 Qe7 26. Qg3 Bc7 27. Nd6 Bxd6 28. exd6 Qd7 29. Rxe8+ Rxe8 30. Bxg6 fxg6 31. Qxg6+ Kf8 32. Ng5 Qg7 33. Nh7+ 1-0

[Event "Leiden SB-ch 1920"]
[Site "Leiden"]
[Date "2019.12.20"]
[Round "3"]
[White "Rosendaal, Frits"]
[Black "Ada, Onur"]
[Result "0-1"]
[ECO "B34"]
[BlackElo "1566"]
[PlyCount "84"]
[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. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Nxc6 bxc6 7. Bc4 e6 8. 0-0 Ne7 9. Bg5 f6 10. Bf4 d5 11. exd5 cxd5 12. Bb3 0-0 13. Re1 Kh8 14. Qd2 Nf5 15. Rad1 d4 16. Ne4 e5 17. Bg3 Qb6 18. c3 Bh6 19. Qc2 Ba6 20. Bd5 Rac8 21. Qb3 Qxb3 22. Bxb3 Bc4 23. Bxc4 Rxc4 24. b3 Rc6 25. c4 Ra6 26. Ra1 Nd6 27. Nxd6 Rxd6 28. c5 Rc6 29. b4 Bd2 30. Re2 Bxb4 31. Rb1 Bxc5 32. Kf1 Bb6 33. Rd1 Rfc8 34. f3 Rc2 35. Rxc2 Rxc2 36. a4 Ra2 37. Rc1 Rxa4 38. Rc6 Kg7 39. Bh4 g5 40. Bg3 d3 41. Rd6 Bd4 42. Ke1 Bc3+ 0-1

[Event "Leiden SB-ch 1920"]
[Site "Leiden"]
[Date "2019.11.29"]
[Round "2"]
[White "Molsbergen, Chris"]
[Black "Rosendaal, Frits"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1427"]
[PlyCount "66"]
[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. c4 g6 3. Nc3 Bg7 4. Bf4 d6 5. Nf3 0-0 6. e3 b6 7. Be2 Bb7 8. 0-0 Nbd7 9. a4 Re8 10. a5 e5 11. dxe5 Nxe5 12. axb6 axb6 13. Rxa8 Qxa8 14. Nb5 Nxf3+ 15. Bxf3 Bxf3 16. gxf3 Qc6 17. b3 Nh5 18. Bg3 Nxg3 19. hxg3 Be5 20. e4 Qc5 21. Kg2 c6 22. f4 cxb5 23. fxe5 Rxe5 24. Qd3 bxc4 25. bxc4 Qc6 26. Re1 f5 27. f3 fxe4 28. Rxe4 Rxe4 29. fxe4 Qc5 30. Kf3 Kg7 31. Qe3 Qxe3+ 32. Kxe3 Kf6 33. Kd4 Ke6 0-1

[Event "Leiden SB-ch 1920"]
[Site "Leiden"]
[Date "2019.11.08"]
[Round "1"]
[White "Rosendaal, Frits"]
[Black "Cools, Frank"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "1541"]
[PlyCount "136"]
[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. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Bb4+ 5. Nc3 Ne7 6. a3 Bxc3+ 7. bxc3 c6 8. Nf3 0-0 9. Bd3 Bf5 10. 0-0 Bxd3 11. Qxd3 Ng6 12. Re1 Re8 13. Rxe8+ Qxe8 14. cxd5 cxd5 15. Bd2 a6 16. Re1 Qd7 17. Ne5 Nxe5 18. Rxe5 f6 19. Re1 Nc6 20. Qe3 Kf7 21. Qd3 g6 22. Qf3 Ne7 23. Bg5 Ng8 24. Bh4 Re8 25. Rxe8 Kxe8 26. Bxf6 Qe6 27. Be5 Nh6 28. h3 Nf7 29. Qf6 Qxf6 30. Bxf6 Nd6 31. f3 Nb5 32. Kf2 Nxa3 33. Ke2 Nc4 34. Kd3 Kf7 35. Bg5 a5 36. g4 a4 37. Kc2 Kg7 38. h4 h6 39. Bf4 h5 40. gxh5 gxh5 41. Be5+ Kg6 42. f4 Kf5 43. Bc7 Kg4 44. Be5 Kxh4 45. f5 Kg5 46. f6 Kg6 47. Kb1 h4 48. Kc2 h3 49. Kc1 h2 50. Bxh2 Kxf6 51. Bf4 Kf5 52. Bh6 Ke4 53. Kc2 Kf3 54. Bc1 Ke2 55. Bh6 b5 56. Bg5 Ne3+ 57. Kb2 Kd3 58. Ka3 Nc2+ 59. Kb2 Ne1 60. Bh4 Nf3 61. Be7 Kc4 62. Bf8 Ne1 63. Be7 Nd3+ 64. Kc2 b4 65. cxb4 Nxb4+ 66. Kb2 Nc6 67. Bf8 Nxd4 68. Ka3 Kb5 0-1

[Event "Leiden SB-ch 1819"]
[Site "Leiden"]
[Date "2019.05.24"]
[Round "8"]
[White "Van Tilburg, Jason"]
[Black "Rosendaal, Frits"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "64"]
[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. Nc3 Nf6 3. Bf4 Bf5 4. Nf3 e6 5. e3 Bb4 6. Bd3 Ne4 7. Bxe4 Bxe4 8. 0-0 Bxc3 9. bxc3 0-0 10. Qe2 c5 11. Ne5 f6 12. Nd3 Bxd3 13. cxd3 cxd4 14. cxd4 Nc6 15. Rab1 Qd7 16. Qb2 b6 17. f3 Rac8 18. Rbc1 Rfe8 19. Rfd1 h6 20. e4 dxe4 21. dxe4 Qe7 22. Qd2 Qb4 23. Qxb4 Nxb4 24. Rxc8 Rxc8 25. a3 Nc6 26. Rc1 Ne7 27. Rxc8+ Nxc8 28. Kf2 Kf7 29. Ke3 Ke7 30. e5 f5 31. g4 g5 32. Bg3 f4+ 0-1

