[Event "NED-ch U14"]
[Site "Almelo"]
[Date "2023.05.06"]
[Round "9"]
[White "Roorda, Cas"]
[Black "Lopes, Samuel"]
[Result "0-1"]
[ECO "B62"]
[WhiteElo "1769"]
[BlackElo "1865"]
[PlyCount "70"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd3 Be7 8. 0-0-0 0-0 9. h4 Bd7 10. Kb1 a6 11. Qg3 Kh8 12. Be2 Nxd4 13. Rxd4 Rc8 14. Rhd1 Rc7 15. f4 Qc8 16. e5 dxe5 17. fxe5 Ng8 18. Rg4 f5 19. Rf4 b5 20. Bd3 Qb7 21. Bxe7 Nxe7 22. Qg5 Ng6 23. Rd4 Nxe5 24. Qe7 Ng6 25. Qb4 Qc8 26. g4 Ne5 27. Rf4 Nxg4 28. Rdf1 Ne3 29. R1f3 Ng2 30. Rg4 Ne1 31. Rxg7 Kxg7 32. Qe7+ Kh8 33. Rg3 Bc6 34. Qd6 Nxd3 35. cxd3 Rcf7 0-1

[Event "NED-ch U14"]
[Site "Almelo"]
[Date "2023.05.05"]
[Round "8"]
[White "Kazarjan, Gachatur"]
[Black "Roorda, Cas"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1872"]
[BlackElo "1769"]
[PlyCount "53"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. b4 e6 2. Bb2 Nf6 3. b5 d5 4. e3 c5 5. Nf3 Bd6 6. c4 0-0 7. d4 Nbd7 8. Be2 dxc4 9. Bxc4 Qc7 10. Nbd2 a6 11. a4 axb5 12. axb5 Rxa1 13. Bxa1 b6 14. 0-0 Bb7 15. h3 Ne4 16. Qb3 Ndf6 17. Nxe4 Bxe4 18. Nd2 Bb7 19. Bd3 e5 20. Nc4 exd4 21. exd4 Bd5 22. Qc2 Bxc4 23. Qxc4 Re8 24. Qa4 cxd4 25. Bxd4 Nd5 26. Qb3 Nf4 27. Rd1 1/2-1/2

[Event "NED-ch U14"]
[Site "Almelo"]
[Date "2023.05.04"]
[Round "6"]
[White "Rooijakkers, Liam"]
[Black "Roorda, Cas"]
[Result "0-1"]
[ECO "C18"]
[WhiteElo "1322"]
[BlackElo "1769"]
[PlyCount "42"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. f4 dxc3 12. Be3 Bd7 13. h3 0-0-0 14. g4 d4 15. Bf2 Qb6 16. Nc1 Qb2 17. Nb3 Na5 18. Qd3 Nxb3 19. Rd1 Bc6 20. Rg1 Nd2 21. Be2 Be4 0-1

[Event "NED-ch U14"]
[Site "Almelo"]
[Date "2023.05.04"]
[Round "7"]
[White "Roorda, Cas"]
[Black "Verwer, Oscar"]
[Result "1-0"]
[ECO "B96"]
[WhiteElo "1769"]
[BlackElo "1549"]
[PlyCount "47"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Qb6 9. a3 e5 10. Bxf6 gxf6 11. Nde2 Nc6 12. Nd5 Qd8 13. f5 b5 14. Ng3 Bb7 15. Nh5 Be7 16. c3 Na5 17. b4 Qc8 18. bxa5 Bxd5 19. Qxd5 Qxc3+ 20. Kf2 Rc8 21. Be2 Qxa5 22. Rhc1 Qb6+ 23. Kf1 Kd7 24. Qxf7 1-0

[Event "NED-ch U14"]
[Site "Almelo"]
[Date "2023.05.03"]
[Round "5"]
[White "Roorda, Cas"]
[Black "Ambrona Navarro, Himar"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1769"]
[BlackElo "1834"]
[PlyCount "182"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. dxc5 Bg4 6. c3 e6 7. Be3 Bxf3 8. Qxf3 Nxe5 9. Bb5+ Nc6 10. 0-0 Nf6 11. c4 Be7 12. Nc3 0-0 13. Rfd1 a6 14. cxd5 exd5 15. Nxd5 Ne5 16. Qg3 Nxd5 17. Qxe5 Bf6 18. Qe4 axb5 19. Rxd5 Qa5 20. Rd2 Rae8 21. Qc2 Re7 22. h3 Rfe8 23. a3 Qc7 24. g3 Be5 25. Qb3 Bxg3 26. Qxb5 Bf4 27. Bxf4 Qxf4 28. Qb4 Qf3 29. Rd4 Re6 30. Qc3 Rg6+ 31. Rg4 Rxg4+ 32. hxg4 Qxg4+ 33. Qg3 Qd4 34. Qc3 Qxc3 35. bxc3 h5 36. Rb1 Rc8 37. Rb5 Ra8 38. Rb3 Ra5 39. Rxb7 Rxa3 40. c6 Rxc3 41. c7 Kh7 42. c8Q Rxc8 43. Rxf7 Kg6 44. Rb7 Rc6 45. Rb5 Kh6 46. Kg2 Rg6+ 47. Kh3 Rg5 48. Rb6+ g6 49. Rb7 Rf5 50. Kg3 g5 51. Rb6+ Kg7 52. f3 Rf6 53. Rb5 Kg6 54. Rb8 h4+ 55. Kg2 Ra6 56. Rg8+ Kh6 57. Kh3 Rf6 58. Kg2 Rf4 59. Rb8 Ra4 60. Rb6+ Kh5 61. Rb8 Ra2+ 62. Kh3 Rf2 63. Rf8 Kg6 64. Kg4 Rg2+ 65. Kh3 Ra2 66. Kg4 Rh2 67. Rg8+ Kf6 68. Rf8+ Ke7 69. Rf5 Rg2+ 70. Kh3 Rg3+ 71. Kh2 Ke6 72. Rf8 Kd5 73. Rd8+ Ke5 74. Re8+ Kf4 75. Rf8+ Ke3 76. Rf5 Kf2 77. Rb5 Kxf3 78. Rb3+ Kg4 79. Rb4+ Kh5 80. Rb5 Re3 81. Ra5 Kg4 82. Ra4+ Kf5 83. Ra5+ Kf4 84. Ra4+ Re4 85. Ra3 g4 86. Ra8 Re2+ 87. Kh1 h3 88. Rf8+ Kg3 89. Rf1 Re4 90. Ra1 Kh4 91. Ra8 Re1+ 0-1

[Event "NED-ch U14"]
[Site "Almelo"]
[Date "2023.05.02"]
[Round "3"]
[White "Roorda, Cas"]
[Black "De Wit, Evan"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1769"]
[BlackElo "1563"]
[PlyCount "97"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bd3 Bxd3 6. Qxd3 e6 7. Nf3 Qa5+ 8. Nbd2 Ne7 9. 0-0 Nf5 10. Nb3 Qa6 11. Qd1 c5 12. dxc5 Nc6 13. c3 Be7 14. g3 0-0-0 15. Re1 d4 16. cxd4 Nb4 17. Re2 Rd5 18. Bd2 Nc6 19. Bc3 Rg8 20. Qd2 Rgd8 21. Qc2 g5 22. hxg5 Rg8 23. Qd2 Qb5 24. Ree1 Rgd8 25. Qc2 Rg8 26. a4 Qc4 27. Qc1 Bxg5 28. Nxg5 Qxb3 29. Ne4 Qc4 30. Nf6 Rdd8 31. Nxg8 Rxg8 32. Qf4 h4 33. g4 Nfxd4 34. Bxd4 Nxd4 35. Qe4 Qb3 36. Re3 Qxb2 37. Rd1 Nf5 38. Red3 Ne7 39. f3 h3 40. R3d2 Qc3 41. Rc2 Rxg4+ 42. fxg4 Qg3+ 43. Kh1 Nd5 44. c6 b6 45. Rxd5 h2 46. Rd8+ Kc7 47. Rd7+ Kc8 48. Rd1 Qb3 49. c7 1-0

[Event "NED-ch U14"]
[Site "Almelo"]
[Date "2023.05.02"]
[Round "4"]
[White "Thijssen, Freek"]
[Black "Roorda, Cas"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1644"]
[BlackElo "1769"]
[PlyCount "42"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 c5 6. dxc5 Bxc5 7. 0-0 0-0 8. h3 h6 9. Nbd2 a6 10. Nb3 Ba7 11. Re1 Nc6 12. c3 b5 13. a3 Bb7 14. Be3 Bxe3 15. Rxe3 Qd6 16. Qd2 Rfe8 17. Rae1 Rxe3 18. Rxe3 Nh5 19. Nfd4 g6 20. Nxc6 Bxc6 21. Nd4 Bd7 1/2-1/2

[Event "NED-ch U14"]
[Site "Almelo"]
[Date "2023.05.01"]
[Round "2"]
[White "Frederiks, Jesse"]
[Black "Roorda, Cas"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "1510"]
[BlackElo "1769"]
[PlyCount "71"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. e4 b5 6. Qc2 Bb7 7. Bg5 Nbd7 8. e5 Nd5 9. Nxd5 cxd5 10. Be2 Qa5+ 11. Bd2 Qb6 12. 0-0 e6 13. b3 Be7 14. a4 a6 15. axb5 axb5 16. Rxa8+ Bxa8 17. Ra1 0-0 18. Ba5 Qc6 19. b4 f6 20. Qc3 fxe5 21. dxe5 Rc8 22. Nd4 Qb7 23. Bg4 Re8 24. Bxe6+ Kh8 25. Bf7 Rc8 26. Re1 Qb8 27. Be6 Qb7 28. Qh3 Nb6 29. Bxc8 Nxc8 30. f4 Nb6 31. Bxb6 Qxb6 32. Qc8+ Bd8 33. Kh1 Bb7 34. Qd7 Bc6 35. Qxc6 Qxd4 36. Qe8# 1-0

[Event "NED-ch U14"]
[Site "Almelo"]
[Date "2023.04.30"]
[Round "1"]
[White "Roorda, Cas"]
[Black "Terlouw, Wouter"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1769"]
[BlackElo "1923"]
[PlyCount "112"]
[EventDate "2023.04.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Nb8 9. c4 Be7 10. Bd3 0-0 11. 0-0 a6 12. Nc3 f5 13. f3 Nd7 14. Kh1 Nc5 15. Bc2 a5 16. a3 Qe8 17. Be3 Rf6 18. Qd2 f4 19. Bg1 a4 20. Nb5 Qh5 21. Bxc5 dxc5 22. d6 Bxd6 23. Nxd6 Rh6 24. g4 fxg3 25. Nxc8 Qxh2+ 26. Qxh2 Rxh2+ 27. Kg1 Rxc2 28. Ne7+ Kf7 29. Nf5 Rd8 30. Rfd1 Rxd1+ 31. Rxd1 Rxb2 32. Nxg3 Rb3 33. Ne4 Rxa3 34. Kf2 b6 35. Rd7+ Kg8 36. Rd8+ Kf7 37. Rd7+ Kf8 38. Ra7 Ra1 39. Nc3 a3 40. Ke2 h5 41. Kf2 Kg8 42. Ra6 Kf7 43. Kg3 g6 44. Kg2 Kg7 45. Nb5 a2 46. Nc7 h4 47. Nd5 h3+ 48. Kh2 g5 49. Ra7+ Kh6 50. Ra6 Kh5 51. Ra7 Kg6 52. Ne7+ Kf6 53. Nd5+ Kf5 54. Ra8 e4 55. fxe4+ Kxe4 56. Nxb6 g4 0-1

