[Event "NED-ch U16"]
[Site "Rotterdam"]
[Date "2016.05.07"]
[Round "9"]
[White "Den Hartog, Marijn"]
[Black "Dubbeldam, Bart"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "2079"]
[BlackElo "2071"]
[PlyCount "71"]
[EventDate "2016.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Re1 c6 7. e4 Qa5 8. Bd2 Qh5 9. e5 Nfd7 10. Re4 Qf5 11. Ng5 Nxe5 12. dxe5 dxe5 13. Bh3 Qf6 14. Bxc8 Rxc8 15. Re1 Na6 16. Nc3 h6 17. Nf3 Qd6 18. Qe2 f6 19. Qc4+ Kh7 20. Rad1 Qc7 21. Nh4 Rf8 22. Qg4 g5 23. Nf5 Rae8 24. h4 e6 25. hxg5 hxg5 26. Nxg7 Kxg7 27. Ne4 Rh8 28. Bxg5 fxg5 29. Qxg5+ Kf8 30. Qf6+ Kg8 31. Qg6+ Kf8 32. Ng5 Qe7 33. Re3 e4 34. Rxe4 e5 35. Rxe5 Qxe5 36. Qf7# 1-0

[Event "NED-ch U16"]
[Site "Rotterdam"]
[Date "2016.05.06"]
[Round "8"]
[White "Dubbeldam, Bart"]
[Black "Kokje, Joris"]
[Result "1-0"]
[ECO "B89"]
[WhiteElo "2071"]
[BlackElo "2089"]
[PlyCount "67"]
[EventDate "2016.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. 0-0-0 Qc7 10. Bb3 b5 11. g4 Na5 12. g5 Nxb3+ 13. axb3 Nd7 14. Nf5 exf5 15. Nd5 Qd8 16. exf5 f6 17. Qh5+ Kf8 18. Rhe1 fxg5 19. Bb6 Nxb6 20. Rxe7 Qxe7 21. Nxe7 Kxe7 22. Re1+ Kd7 23. Qf7+ Kc6 24. Re3 Bd7 25. Qxg7 Nd5 26. Rf3 Rhf8 27. c4 bxc4 28. bxc4 Nf4 29. f6 Ng6 30. Qxh7 Ne5 31. Rc3 Rxf6 32. Qe4+ Kc7 33. Qxa8 Rxf2 34. Qa7+ 1-0

[Event "NED-ch U16"]
[Site "Rotterdam"]
[Date "2016.05.05"]
[Round "7"]
[White "Dubbeldam, Bart"]
[Black "Kanters, Cor"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2071"]
[BlackElo "1760"]
[PlyCount "109"]
[EventDate "2016.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Nf6 6. Be3 Bb4 7. Bd3 d5 8. exd5 Nxd5 9. Nxc6 Nxc3 10. Nxd8 Nxd1+ 11. Kxd1 Kxd8 12. Ke2 Ke7 13. Rhd1 b6 14. Bb5 Bd6 15. a4 Bb7 16. f3 Rhd8 17. Kf2 Rac8 18. Bd3 Bc5 19. Rd2 Bd4 20. Bxd4 Rxd4 21. Ke3 Rd6 22. a5 Rc7 23. axb6 axb6 24. Ra7 Rcd7 25. Rd1 Bc6 26. Rda1 Rxa7 27. Rxa7+ Rd7 28. Ra6 Rb7 29. Kd4 g6 30. Kc4 Kd6 31. Kb4 h5 32. Bb5 h4 33. c4 h3 34. gxh3 Bxf3 35. c5+ Kc7 36. cxb6+ Rxb6 37. Rxb6 Kxb6 38. Be8 f5 39. Bxg6 Kc6 40. Kc4 Kd6 41. Kd4 Bc6 42. h4 e5+ 43. Kd3 Ke6 44. Ke3 Kf6 45. h5 Kg5 46. h4+ Kf6 47. b4 Bb5 48. Bh7 Bc4 49. h6 Kf7 50. Bxf5 Kg8 51. Ke4 Kh8 52. Kxe5 Bb5 53. Kd6 Kg8 54. Kc5 Be8 55. Be4 1-0

[Event "NED-ch U16"]
[Site "Rotterdam"]
[Date "2016.05.04"]
[Round "6"]
[White "Elgersma, Simon"]
[Black "Dubbeldam, Bart"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2135"]
[BlackElo "2071"]
[PlyCount "95"]
[EventDate "2016.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be3 Qc7 7. Qf3 Ne5 8. Qg3 h5 9. h4 Nf6 10. 0-0-0 b5 11. Bxb5 axb5 12. Ncxb5 Qb8 13. Bf4 Nxe4 14. Bxe5 Nxg3 15. Bxb8 Rxb8 16. fxg3 Bb7 17. Rd2 g6 18. Kb1 Bb4 19. c3 Be4+ 20. Ka1 Be7 21. Re1 d5 22. a4 Kd7 23. b4 Ra8 24. a5 Rhb8 25. Rxe4 dxe4 26. Nf5+ Ke8 27. Nc7+ Kf8 28. Nxa8 Bf6 29. Nb6 Bxc3+ 30. Kb1 Bxd2 31. Nd7+ Ke8 32. Nxb8 exf5 33. a6 e3 34. Kc2 Bxb4 35. Kd3 Bc5 36. Nc6 f6 37. a7 Bxa7 38. Nxa7 g5 39. Kxe3 Kd7 40. Nb5 Ke6 41. Nd4+ Ke5 42. Nf3+ Ke6 43. hxg5 fxg5 44. Nxg5+ Kf6 45. Kf4 Kg6 46. Nf3 Kf6 47. Nh4 Kg7 48. Kg5 1-0

[Event "NED-ch U16"]
[Site "Rotterdam"]
[Date "2016.05.03"]
[Round "5"]
[White "Nguyen, Sang"]
[Black "Dubbeldam, Bart"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1832"]
[BlackElo "2071"]
[PlyCount "68"]
[EventDate "2016.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. Re1 c5 7. c3 Qb6 8. Nbd2 Nc6 9. dxc5 Qxc5 10. Nb3 Qd6 11. Bf4 e5 12. Be3 b6 13. c4 d4 14. Nfxd4 exd4 15. Nxd4 Nxd4 16. Bxa8 Ng4 17. Bd5 Nxe3 18. fxe3 Nf5 19. e4 Qc5+ 20. Kh1 Ne3 21. Qb3 Bh3 22. Rac1 Bh6 23. Rc3 Bg2+ 24. Kg1 Nxd5+ 25. Kxg2 Nxc3 26. Qxc3 Qc6 27. Qd3 Re8 28. Qd5 Qe6 29. Qxe6 Rxe6 30. Kf3 Kf8 31. e3 Ke7 32. b4 Rd6 33. Re2 Rd3 34. c5 bxc5 0-1

[Event "NED-ch U16"]
[Site "Rotterdam"]
[Date "2016.05.02"]
[Round "4"]
[White "Dubbeldam, Bart"]
[Black "Reichardt, Robin"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "2071"]
[BlackElo "1898"]
[PlyCount "51"]
[EventDate "2016.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 Be7 7. Nbd2 b5 8. Bb3 Bg4 9. h3 Bh5 10. Nf1 0-0 11. g4 Bg6 12. Ng3 Na5 13. Bc2 c5 14. Nf5 Nc6 15. Be3 Qc7 16. N3h4 h5 17. Bb3 Kh7 18. Ng3 hxg4 19. hxg4 Rh8 20. g5 Nd7 21. Nxg6+ Kxg6 22. Rxh8 Rxh8 23. Qg4 Kh7 24. Qh5+ Kg8 25. Qxf7+ Kh7 26. Qh5# 1-0

[Event "NED-ch U16"]
[Site "Rotterdam"]
[Date "2016.04.30"]
[Round "2"]
[White "Van Hoorn, Geert"]
[Black "Dubbeldam, Bart"]
[Result "1/2-1/2"]
[ECO "C19"]
[WhiteElo "1902"]
[BlackElo "2071"]
[PlyCount "129"]
[EventDate "2016.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa5 7. Qd2 b6 8. Nf3 Ba6 9. Bxa6 Qxa6 10. a4 Ne7 11. Qd3 Qxd3 12. cxd3 Nbc6 13. dxc5 bxc5 14. Ba3 c4 15. d4 Na5 16. Nd2 Kd7 17. Ke2 Rhb8 18. Rhb1 Nc8 19. Bc5 Nc6 20. Rb5 a6 21. Rbb1 Rxb1 22. Rxb1 Rb8 23. Rxb8 Nxb8 24. Nf3 Ke8 25. Ne1 a5 26. Nc2 Na6 27. f4 f6 28. Ke3 Nxc5 29. dxc5 Kd7 30. Nd4 fxe5 31. fxe5 Ne7 32. g3 Nc6 33. Nf3 Ne7 34. Nd4 h6 35. h3 g6 36. g4 Nc6 37. Nf3 g5 38. Kd2 Kc7 39. Ke3 Nb8 40. Nd4 Kd7 41. Kd2 Na6 42. c6+ Ke7 43. c7 Nxc7 44. Nc6+ Kd7 45. Nxa5 Na6 46. Nb7 Kc7 47. Nd6 Nc5 48. Nf7 Ne4+ 49. Ke3 Nxc3 50. Nxh6 Nxa4 51. Nf7 Nc5 52. Nxg5 c3 53. Nf3 Kd7 54. Nd4 Ke7 55. h4 Kf7 56. h5 Ne4 57. Kf4 Nf2 58. g5 Nd3+ 59. Ke3 Nxe5 60. g6+ Kf6 61. g7 Ng4+ 62. Kd3 Kxg7 63. Nxe6+ Kf6 64. Nf4 d4 65. Ne2 1/2-1/2

[Event "NED-ch U16"]
[Site "Rotterdam"]
[Date "2016.04.29"]
[Round "1"]
[White "Dubbeldam, Bart"]
[Black "Gijsen, William"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "2071"]
[BlackElo "1686"]
[PlyCount "119"]
[EventDate "2016.04.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "CBM 172 Extra"]
[Source "ChessBase"]
[SourceDate "2016.06.21"]
[SourceVersion "1"]
[SourceVersionDate "2016.06.21"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 d6 8. h3 Bd7 9. 0-0 Qc8 10. Bb5 0-0 11. a4 Nxd4 12. Bxd4 a6 13. Be2 Bc6 14. a5 Qe6 15. Bf3 h5 16. Re1 Nd7 17. Nd5 Rac8 18. Bxg7 Kxg7 19. Qd4+ Kh7 20. c3 Nc5 21. Qd1 Bb5 22. Be2 Bxe2 23. Qxe2 Qe5 24. Nb6 Rcd8 25. Rad1 Ne6 26. Nc4 Qb5 27. Ne3 Qxe2 28. Rxe2 Nc5 29. Nd5 Rd7 30. b4 Ne6 31. e5 Kg7 32. Nb6 Rdd8 33. exd6 Rxd6 34. Rxd6 exd6 35. Rd2 Rd8 36. Kf1 Ng5 37. f3 f6 38. Ke2 Nf7 39. Rd4 Ne5 40. Rd5 Kf7 41. f4 Nc6 42. Kf3 Ke6 43. g4 hxg4+ 44. hxg4 Rh8 45. Kg3 Ke7 46. Nc4 Rd8 47. Kf3 Ke6 48. Rd1 Ne7 49. Nb6 Rh8 50. Re1+ Kf7 51. Nc4 Nc8 52. Kg3 Rh7 53. Rd1 Ke7 54. Ne3 Rh8 55. Rd4 Rf8 56. f5 g5 57. Nd5+ Kd7 58. Rc4 Kd8 59. Nc7 Rh8 60. Ne6+ 1-0

[Event "Rotterdam Basamro blitz op "]
[Site "Rotterdam"]
[Date "2015.10.24"]
[Round "6"]
[White "Dubbeldam, Bart"]
[Black "Boitel, Leo"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1849"]
[BlackElo "2067"]
[PlyCount "51"]
[EventDate "2015.10.24"]
[EventType "swiss (blitz)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 Nf6 4. Bd3 e6 5. Bg5 Be7 6. Qd2 0-0 7. Nge2 d5 8. e5 Nfd7 9. Bxe7 Qxe7 10. f4 c5 11. b3 Nc6 12. Nb5 a6 13. Nd6 Rfb8 14. c3 b5 15. Ng3 cxd4 16. cxd4 Nxd4 17. Bxh7+ Kxh7 18. Qxd4 Nf8 19. 0-0 Ng6 20. f5 exf5 21. Ngxf5 Qxe5 22. Qg4 Bc8 23. Nxf7 Qf6 24. Qh5+ Kg8 25. N5h6+ gxh6 26. Rxf6 1-0

[Event "Rotterdam Basamro blitz op "]
[Site "Rotterdam"]
[Date "2015.10.24"]
[Round "4"]
[White "Dubbeldam, Bart"]
[Black "Galchenko, Vadim"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1849"]
[BlackElo "2024"]
[PlyCount "76"]
[EventDate "2015.10.24"]
[EventType "swiss (blitz)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. Bd3 cxd4 7. cxd4 Bd7 8. 0-0 Nxd4 9. Nxd4 Qxd4 10. Nc3 a6 11. Qe2 Ne7 12. Kh1 Nc6 13. f4 Bc5 14. a3 Ba7 15. Rd1 Qb6 16. f5 0-0-0 17. f6 gxf6 18. exf6 Nd4 19. Qe5 Bb8 20. Qh5 Be8 21. Be3 e5 22. Rac1 Bc7 23. Ne2 Kb8 24. b4 h6 25. Qh4 Ba4 26. Rd2 Rc8 27. Nxd4 exd4 28. Bxd4 Qd6 29. Bc5 Qf4 30. Qxf4 Bxf4 31. Rcc2 Bxd2 32. Rxd2 Bc6 33. h3 Rce8 34. Kh2 Kc7 35. Bf5 b6 36. Bf2 Kd6 37. Bg3+ Re5 38. Re2 Rhe8 0-1

[Event "Rotterdam Basamro blitz op "]
[Site "Rotterdam"]
[Date "2015.10.24"]
[Round "2"]
[White "Dubbeldam, Bart"]
[Black "Verhille, Elie"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1849"]
[BlackElo "1564"]
[PlyCount "65"]
[EventDate "2015.10.24"]
[EventType "swiss (blitz)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Bd3 Qb6 7. dxc5 Bxc5 8. 0-0 a5 9. Nbd2 Nge7 10. Nb3 Ng6 11. Nxc5 Qxc5 12. Qe2 Qb6 13. b3 Qc7 14. Re1 0-0 15. Ba3 Nf4 16. Qe3 Nxd3 17. Qxd3 Rfe8 18. Ng5 g6 19. Bd6 Qd8 20. f4 f6 21. Nf3 fxe5 22. Bxe5 Nxe5 23. Nxe5 Qe7 24. Re3 Rf8 25. g3 Rac8 26. Rae1 Qe8 27. c4 Rd8 28. cxd5 Bb5 29. Qc3 Rxd5 30. Qxa5 Bc6 31. Qc3 Bd7 32. Ng4 Qf7 33. Nh6# 1-0

[Event "Rotterdam Basamro blitz op "]
[Site "Rotterdam"]
[Date "2015.10.24"]
[Round "7"]
[White "Dubbeldam, Bart"]
[Black "Willson, Ollie"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "1849"]
[BlackElo "2044"]
[PlyCount "68"]
[EventDate "2015.10.24"]
[EventType "swiss (blitz)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Bd3 b5 8. Nxc6 dxc6 9. a3 Nf6 10. b4 Bb7 11. 0-0 c5 12. bxc5 Bxc5 13. Qd2 0-0 14. Rae1 Rac8 15. e5 Nd7 16. Bxc5 Nxc5 17. Na2 Nxd3 18. cxd3 Qc6 19. f4 Rfd8 20. Nb4 Qb6+ 21. Kh1 a5 22. Nc2 Rd7 23. d4 Qc6 24. Ne3 Qc3 25. Qf2 Rxd4 26. f5 Rd2 27. Qg3 exf5 28. Rxf5 g6 29. Rg5 Qxa3 30. e6 Rc1 31. Qb8+ Bc8 32. exf7+ Kf8 33. Qe5 Rxe1+ 34. Nf1 Rxf1# 0-1

[Event "Rotterdam Basamro blitz op "]
[Site "Rotterdam"]
[Date "2015.10.24"]
[Round "8"]
[White "Kovalenko, Dmitrii"]
[Black "Dubbeldam, Bart"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1615"]
[BlackElo "1849"]
[PlyCount "98"]
[EventDate "2015.10.24"]
[EventType "swiss (blitz)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. cxd4 d6 7. Bc4 Nb6 8. Bb5 a6 9. Bxc6+ bxc6 10. 0-0 d5 11. Nc3 e6 12. Bg5 f6 13. exf6 gxf6 14. Bf4 Bg7 15. Re1 0-0 16. Qd2 Nc4 17. Qc1 Qb6 18. b3 Na5 19. Na4 Qb4 20. Nc5 Re8 21. Bh6 Nb7 22. Bxg7 Kxg7 23. Nxb7 Qxb7 24. Qf4 Qf7 25. Rac1 Bd7 26. Nh4 e5 27. dxe5 fxe5 28. Qxf7+ Kxf7 29. Nf3 Kf6 30. Kf1 Rg8 31. g3 Rae8 32. Rc2 Bh3+ 33. Ke2 Re6 34. Rec1 Bg4 35. Ke3 d4+ 36. Nxd4 exd4+ 37. Kxd4 Rd8+ 38. Kc5 Be2 39. Kb6 Bb5 40. a4 Bd3 41. Rxc6 Rb8+ 42. Ka5 Rxb3 43. Rxe6+ Kxe6 44. Rc6+ Kd5 45. Rc8 Bg6 46. Kxa6 Rf3 47. Rd8+ Kc6 48. Rc8+ Kd7 49. Rc2 Bxc2 0-1

[Event "Rotterdam Basamro blitz op "]
[Site "Rotterdam"]
[Date "2015.10.24"]
[Round "3"]
[White "Pols, Arne"]
[Black "Dubbeldam, Bart"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "1874"]
[BlackElo "1849"]
[PlyCount "135"]
[EventDate "2015.10.24"]
[EventType "swiss (blitz)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. b3 f5 2. Bb2 Nf6 3. e3 g6 4. Nf3 Bg7 5. d4 d6 6. c4 0-0 7. Be2 c6 8. d5 e5 9. dxe6 Bxe6 10. Nd4 Bf7 11. 0-0 Nbd7 12. Nf3 Qe7 13. Ng5 Ne5 14. Nxf7 Qxf7 15. Qxd6 Ned7 16. Qd1 Rad8 17. Qc2 Bh6 18. Nd2 Nc5 19. Nf3 Nce4 20. Rad1 Ng4 21. Ne5 Nxe5 22. Bxe5 Rde8 23. Qb2 Re6 24. Bd4 b6 25. Bf3 c5 26. Be5 Rfe8 27. Bxe4 fxe4 28. Bg3 Bg7 29. Qc2 h5 30. Rd5 Qf6 31. Rfd1 g5 32. h3 h4 33. Bc7 Rf8 34. Rd8 Ree8 35. Rxe8 Rxe8 36. Qd2 Bf8 37. Qd5+ Kh7 38. Bd8 Qe5 39. Bxg5 Qxd5 40. Rxd5 Be7 41. Re5 Bxg5 42. Rxe8 Kg6 43. Ra8 a6 44. Rb8 b5 45. cxb5 axb5 46. Rxb5 Be7 47. Rb7 Kf6 48. Kf1 Bd6 49. Rb6 Ke5 50. Rxd6 Kxd6 51. Ke2 Kd5 52. Kd2 Ke5 53. Kc3 Kd5 54. a4 Kc6 55. Kc4 Kb6 56. b4 cxb4 57. Kxb4 Kc6 58. Kc4 Kd6 59. Kd4 Ke6 60. a5 Kf5 61. a6 Kg5 62. a7 Kh6 63. a8Q Kg5 64. Qxe4 Kh5 65. Qg4+ Kh6 66. Ke5 Kh7 67. Kf6 Kh6 68. Qg6# 1-0

[Event "Rotterdam Basamro 3rd"]
[Site "Rotterdam"]
[Date "2015.10.24"]
[Round "1.9"]
[White "Rodriguez, Adrien"]
[Black "Dubbeldam, Bart"]
[Result "1-0"]
[ECO "A88"]
[WhiteElo "2320"]
[BlackElo "1900"]
[PlyCount "87"]
[EventDate "2015.10.24"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]
[WhiteTeam "Paris"]
[BlackTeam "Rotterdam Pathena"]
[WhiteTeamCountry "FRA"]
[BlackTeamCountry "NED"]

1. d4 d6 2. Nf3 f5 3. g3 Nf6 4. Bg2 g6 5. 0-0 Bg7 6. c4 0-0 7. Nc3 c6 8. Qc2 Na6 9. a3 Qe8 10. d5 Bd7 11. Be3 Nc7 12. Rad1 c5 13. b4 cxb4 14. axb4 Ne4 15. Bd4 Nf6 16. Qb3 h6 17. e3 g5 18. Ra1 b6 19. Nd2 Qh5 20. Qd1 Qg6 21. f4 Rfc8 22. Qe2 a5 23. bxa5 bxa5 24. Ra3 Ra6 25. Rb1 e6 26. Rb7 Qe8 27. Bxf6 Bxf6 28. c5 Bxc3 29. c6 Bxc6 30. dxc6 Rxc6 31. Bxc6 Qxc6 32. Rb1 Bb4 33. Rab3 gxf4 34. gxf4 Kh7 35. Nf1 Nd5 36. Qf3 Qc5 37. Kg2 Rg8+ 38. Kh3 Rg4 39. Ng3 Kg6 40. Rd3 h5 41. Rbd1 h4 42. Rxd5 exd5 43. Nxf5 Kxf5 44. Rxd5+ 1-0

[Event "Rotterdam Basamro blitz op "]
[Site "Rotterdam"]
[Date "2015.10.24"]
[Round "1"]
[White "Rodriguez, Adrien"]
[Black "Dubbeldam, Bart"]
[Result "1-0"]
[ECO "A86"]
[WhiteElo "2320"]
[BlackElo "1849"]
[PlyCount "73"]
[EventDate "2015.10.24"]
[EventType "swiss (blitz)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 f5 2. g3 Nf6 3. Bg2 d6 4. Nc3 g6 5. d4 Bg7 6. Nh3 c6 7. 0-0 Nbd7 8. Qc2 0-0 9. Rd1 Qe8 10. d5 Ne5 11. b3 Bd7 12. Bb2 h6 13. f3 Rc8 14. Qd2 g5 15. Nf2 Qh5 16. Qe3 c5 17. h3 g4 18. hxg4 fxg4 19. f4 Ng6 20. Qd3 Nh8 21. e4 Qf7 22. e5 dxe5 23. fxe5 Nh5 24. Nce4 Bf5 25. Rf1 e6 26. Qe3 Qd7 27. Nd6 Rcd8 28. Nfe4 Ng6 29. dxe6 Bxe6 30. Nxc5 Qe7 31. Nxe6 Qxe6 32. Bd5 Rxd6 33. exd6 Rxf1+ 34. Rxf1 Kh7 35. Bxe6 Bxb2 36. Rf7+ Ng7 37. Bf5 1-0

[Event "Rotterdam Basamro blitz op "]
[Site "Rotterdam"]
[Date "2015.10.24"]
[Round "5"]
[White "Surkova, Sofya"]
[Black "Dubbeldam, Bart"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "1554"]
[BlackElo "1849"]
[PlyCount "74"]
[EventDate "2015.10.24"]
[EventType "swiss (blitz)"]
[EventRounds "8"]
[EventCountry "NED"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e4 Nf6 4. Nc3 Bc5 5. Bb5 d6 6. d3 Ng4 7. Nh3 0-0 8. Bxc6 bxc6 9. f3 Ne3 10. Qe2 Qh4+ 11. Kd2 Nxg2 12. Qxg2 Bxh3 13. Qg3 Qxg3 14. hxg3 Bg2 15. Rh2 Bxf3 16. Rf1 Bg4 17. Rfh1 h6 18. Na4 Bb4+ 19. c3 Ba5 20. Ba3 f5 21. exf5 Rxf5 22. Nb2 Raf8 23. Nc4 Bb6 24. Ke1 Bf2+ 25. Kd2 Bxg3 26. Rg2 Bf4+ 27. Kc2 Bf3 28. Rhg1 Bxg2 29. Rxg2 Rg5 30. Re2 h5 31. Na5 c5 32. Nc6 h4 33. Ne7+ Kh7 34. Nd5 h3 35. Nxf4 Rxf4 36. Rh2 Rg2+ 37. Kc1 Rf1# 0-1

[Event "NED-ch U17"]
[Site "Rotterdam"]
[Date "2015.05.09"]
[Round "9"]
[White "Keetman, Maaike"]
[Black "Dubbeldam, Bart"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2194"]
[PlyCount "95"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. f3 Be6 9. Qd2 0-0 10. 0-0-0 a5 11. a4 Nc6 12. g4 Nb4 13. Qf2 Rc8 14. Bb6 Qe8 15. Bb5 Nd7 16. Kb1 Bxb3 17. cxb3 Nc6 18. Be3 Nc5 19. Bxc5 dxc5 20. Rd5 f6 21. Rhd1 Rc7 22. Qd2 Qc8 23. Bxc6 bxc6 24. Rd7 Kf7 25. Kc2 Rxd7 26. Qxd7 Qa6 27. Rd6 Qc8 28. Nd1 c4 29. bxc4 Qxd7 30. Rxd7 Ra8 31. Rc7 Ra6 32. Nf2 Kf8 33. Nd3 Bd6 34. Rc8+ Kf7 35. c5 Be7 36. Rc7 Ke8 37. Kc3 Kd8 38. Rb7 Ra8 39. Kc4 Ke8 40. Rc7 Rd8 41. b3 Rd7 42. Rxc6 Bd8 43. Rd6 Rb7 44. c6 Rc7 45. Kb5 Ra7 46. Nc5 Be7 47. Rd7 Bxc5 48. Kxc5 1-0

[Event "NED-ch U17"]
[Site "Rotterdam"]
[Date "2015.05.08"]
[Round "8"]
[White "Dubbeldam, Bart"]
[Black "Yang, Wang"]
[Result "1/2-1/2"]
[ECO "B48"]
[PlyCount "77"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Be3 Qc7 6. Bd3 a6 7. 0-0 Nf6 8. Nc3 b5 9. Kh1 Bb7 10. Qe2 h5 11. f3 h4 12. Rad1 Nh5 13. Qd2 Bd6 14. Ndxb5 axb5 15. Nxb5 Qb8 16. Bc4 Bxh2 17. Qxd7+ Kf8 18. Bc5+ Kg8 19. Bxe6 fxe6 20. Qxe6+ Kh7 21. Qf5+ Kh6 22. Qg4 Bf4 23. Nd6 Bxd6 24. Rxd6+ Nf6 25. Qf4+ Kh7 26. Qf5+ Kg8 27. Rxf6 Qe5 28. Qxe5 Nxe5 29. Rb6 Ba6 30. Rd1 h3 31. Rd5 hxg2+ 32. Kxg2 Nf7 33. Rf5 Bc8 34. Rd5 Rxa2 35. Rb8 Kh7 36. Rh5+ Nh6 37. Bd6 Ra6 38. e5 Rc6 39. c3 1/2-1/2

[Event "NED-ch U17"]
[Site "Rotterdam"]
[Date "2015.05.07"]
[Round "7"]
[White "Kanbier, Max"]
[Black "Dubbeldam, Bart"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "64"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. f4 b5 4. Nf3 Bb7 5. d3 e6 6. g3 Nf6 7. Bg2 d5 8. e5 Nfd7 9. 0-0 Nc6 10. Ne2 h5 11. h3 Ne7 12. Kh2 Nf5 13. d4 Qb6 14. c3 Be7 15. dxc5 Nxc5 16. Nfd4 Ne4 17. Nxf5 exf5 18. Nd4 Qg6 19. Bxe4 dxe4 20. h4 Bd5 21. Be3 Bc4 22. Rf2 0-0 23. Qc2 Rac8 24. b3 Bd3 25. Qb2 Rfd8 26. Rd2 b4 27. c4 Bc5 28. Re1 Rd7 29. Kg2 Rcd8 30. Nxf5 Qxf5 31. Bxc5 Bf1+ 32. Kxf1 Rxd2 0-1

[Event "NED-ch U17"]
[Site "Rotterdam"]
[Date "2015.05.06"]
[Round "6"]
[White "Dubbeldam, Bart"]
[Black "Baselmans, Sam"]
[Result "0-1"]
[ECO "C10"]
[PlyCount "94"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Be7 5. Nf3 Nf6 6. Bd3 Nbd7 7. 0-0 0-0 8. Qe2 c5 9. Rd1 Qc7 10. Be3 b6 11. Rd2 Bb7 12. Ng3 Rac8 13. c3 Rfd8 14. Rad1 Qb8 15. Bb1 Qa8 16. Ne1 Ne4 17. Nxe4 Bxe4 18. Bg5 Bxg5 19. Bxe4 Qb8 20. Rd3 Nf6 21. Bf3 c4 22. Re3 Bxe3 23. fxe3 b5 24. a3 a5 25. Nc2 Qb6 26. Kh1 Rd7 27. Rf1 Qd6 28. e4 e5 29. d5 Rb7 30. Ne3 g6 31. Bg4 Rcc7 32. Qf3 Kg7 33. Be6 Nxe4 34. Qxe4 fxe6 35. Ng4 exd5 36. Qe3 Rf7 37. Re1 Rf4 38. Qh3 h5 39. Ne3 d4 40. Nd1 Rbf7 41. g3 Qd5+ 42. Kg1 R4f5 43. Qg2 Qc5 44. Qe4 dxc3+ 45. Kg2 cxb2 46. Re2 c3 47. Qc2 b4 0-1

[Event "NED-ch U17"]
[Site "Rotterdam"]
[Date "2015.05.05"]
[Round "5"]
[White "Dubbeldam, Bart"]
[Black "Van Schooten, Lars"]
[Result "1-0"]
[ECO "B34"]
[PlyCount "91"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Nb3 d6 7. Be2 Bd7 8. 0-0 Nf6 9. Bg5 h6 10. Bh4 0-0 11. f4 Rc8 12. Kh1 Na5 13. Nxa5 Qxa5 14. e5 dxe5 15. Bxf6 Bxf6 16. Qxd7 exf4 17. Qd2 Bg5 18. Bf3 Rfd8 19. Qe2 Bf6 20. Rad1 Rxd1 21. Rxd1 Bxc3 22. bxc3 Qxa2 23. Bd5 Qa3 24. Qg4 Qxc3 25. Qxg6+ Qg7 26. Bxf7+ Kh8 27. Qxg7+ Kxg7 28. Bb3 Rc7 29. Kg1 Kf6 30. Kf2 b5 31. Rd5 Rb7 32. Kf3 a5 33. Kxf4 a4 34. Ba2 b4 35. Rf5+ Kg7 36. Ke3 b3 37. cxb3 axb3 38. Bb1 e6 39. Rf3 b2 40. Kd2 Rf7 41. Rxf7+ Kxf7 42. Be4 Kf6 43. Ke3 Kg5 44. Kf3 e5 45. Kg3 h5 46. h3 1-0

[Event "NED-ch U17"]
[Site "Rotterdam"]
[Date "2015.05.04"]
[Round "4"]
[White "Gerlagh, Joris"]
[Black "Dubbeldam, Bart"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "2163"]
[PlyCount "127"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nf3 d6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. Nc3 Qe8 8. d5 Bd7 9. Nd4 Na6 10. Rb1 c6 11. b3 Nc5 12. Bb2 Rc8 13. Nc2 g5 14. b4 Nce4 15. Nxe4 fxe4 16. dxc6 bxc6 17. Bxf6 Rxf6 18. Bxe4 Bh3 19. Bg2 Qh5 20. Bxh3 Qxh3 21. f3 h5 22. Rf2 Rcf8 23. b5 Qe6 24. Nd4 Qxc4 25. Nxc6 Re6 26. Qb3 d5 27. Qxc4 dxc4 28. Kg2 a6 29. a4 axb5 30. axb5 Rf5 31. e4 Rc5 32. Rc2 Kf8 33. f4 gxf4 34. gxf4 Bh6 35. b6 Rcxc6 36. b7 Rb6 37. b8Q+ Rxb8 38. Rxb8+ Kf7 39. Kf3 Rd6 40. Rc3 Rd2 41. Rxc4 Rxh2 42. e5 Rh3+ 43. Kg2 Ra3 44. Rb1 Ra6 45. Rh1 Kg6 46. Kf3 Ra3+ 47. Ke4 e6 48. Rg1+ Kf7 49. Rc7+ Kf8 50. Rb1 Ra4+ 51. Kd3 Kg8 52. Rb8+ Bf8 53. Ke3 Ra3+ 54. Kf2 Ra2+ 55. Kf3 Ra3+ 56. Kg2 Ra2+ 57. Kh3 Ra3+ 58. Kh4 Rf3 59. Kg5 Rg3+ 60. Kxh5 Rg7 61. Rxg7+ Kxg7 62. Rb7+ Kh8 63. Kg6 Bg7 64. Rb8+ 1-0

[Event "NED-ch U17"]
[Site "Rotterdam"]
[Date "2015.05.03"]
[Round "2"]
[White "Pols, Arne"]
[Black "Dubbeldam, Bart"]
[Result "0-1"]
[ECO "B24"]
[PlyCount "78"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 a6 3. g3 Nc6 4. Bg2 e6 5. d3 Nf6 6. Nh3 Be7 7. 0-0 d6 8. f4 Qc7 9. f5 Bd7 10. fxe6 fxe6 11. Bd2 0-0-0 12. Ng5 Rdf8 13. Bh3 Nd4 14. Ne2 e5 15. Nxd4 exd4 16. Qe2 Kb8 17. Bxd7 Qxd7 18. Qg2 h6 19. Nf3 Ng4 20. Rae1 Bf6 21. c3 Qb5 22. h3 Ne5 23. Nxe5 Bxe5 24. c4 Qxb2 25. Bf4 Qb6 26. Rb1 Qc6 27. Rf2 Ka7 28. Rfb2 Rf7 29. Rb6 Qc8 30. Bxe5 dxe5 31. g4 Rhf8 32. Qh2 Qe8 33. R6b3 Qe6 34. a4 Qf6 35. Qg3 Rb8 36. h4 Qf4 37. Kg2 Qd2+ 38. Kg1 Qe2 39. R1b2 Rf1# 0-1

[Event "NED-ch U17"]
[Site "Rotterdam"]
[Date "2015.05.02"]
[Round "1"]
[White "Dubbeldam, Bart"]
[Black "Hofstra, Tijmen"]
[Result "1-0"]
[ECO "C77"]
[PlyCount "77"]
[EventDate "2015.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. 0-0 Bd7 6. c3 Nf6 7. Qe2 g6 8. Rd1 Bg7 9. d3 0-0 10. Nbd2 Nd4 11. cxd4 Bxa4 12. b3 Bd7 13. dxe5 Ng4 14. Bb2 Nxe5 15. Nxe5 dxe5 16. Rac1 c6 17. Nc4 f6 18. Ba3 Re8 19. Nd6 Re6 20. Nxb7 Qb6 21. Nc5 Re7 22. Na4 Qd8 23. Bxe7 Qxe7 24. Nb6 Rb8 25. Nxd7 Qxd7 26. d4 exd4 27. Qc4+ Qf7 28. Rxd4 Qxc4 29. Rcxc4 f5 30. Rd7 Re8 31. f3 Rf8 32. exf5 Rxf5 33. Rxc6 Bh6 34. Rxa6 Be3+ 35. Kf1 Bh6 36. Ra8+ Bf8 37. Rdd8 Rf7 38. a4 Kg7 39. Rxf8 1-0

[Event "NED-ch U14 op"]
[Site "Borne"]
[Date "2013.08.10"]
[Round "9"]
[White "Warmerdam, Max"]
[Black "Dubbeldam, Bart"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1951"]
[BlackElo "1544"]
[PlyCount "76"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 Be7 9. Qd2 0-0 10. 0-0-0 a5 11. Bb5 Nc6 12. g4 Ne8 13. Kb1 Nc7 14. Bb6 Qb8 15. Be2 a4 16. Nc1 a3 17. b3 Rc8 18. Nd5 Bd8 19. Bxc7 Bxc7 20. Nxc7 Qxc7 21. Qxd6 Qxd6 22. Rxd6 Nd4 23. c4 b5 24. cxb5 Rc2 25. Bd3 Rb2+ 26. Ka1 Rc8 27. b6 Kf8 28. f4 Bxg4 29. fxe5 Nc2+ 30. Bxc2 Rbxc2 31. Nd3 Rd2 32. b7 Rb8 33. Nc5 Rc2 34. b4 Ke7 35. Rb6 Kd8 36. Na6 Be2 37. Nxb8 Kc7 38. Nd7 Kd8 1-0

[Event "NED-ch U14 op"]
[Site "Borne"]
[Date "2013.08.09"]
[Round "7"]
[White "Dubbeldam, Bart"]
[Black "Vandeputte, Samuel"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1544"]
[BlackElo "1472"]
[PlyCount "91"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 Nf6 5. Nc3 g6 6. Nf3 Bg7 7. h3 0-0 8. Be3 a6 9. Qb3 b5 10. a4 bxa4 11. Qxa4 Bd7 12. Qa5 Qc8 13. e5 Ne8 14. Nd5 Qb7 15. Nb6 Bc8 16. Nxa8 Qxa8 17. Bc4 Bb7 18. e6 f5 19. Be2 Nc6 20. Qd2 Nd8 21. Bh6 Nxe6 22. Bc4 d5 23. Bd3 Nd6 24. Bxg7 Kxg7 25. Qe2 Ne4 26. 0-0 Nf4 27. Qe3 Nxd3 28. Qxd3 a5 29. Qa3 Kf6 30. Qxa5 Qxa5 31. Rxa5 e6 32. Ne5 Nd2 33. Nd7+ Ke7 34. Nxf8 Nxf1 35. Nxg6+ hxg6 36. Kxf1 Kd7 37. Ra7 Kc6 38. Rxb7 Kxb7 39. Ke2 Kc6 40. Ke3 g5 41. f4 Kd6 42. fxg5 e5 43. g6 f4+ 44. Kf3 e4+ 45. Kxf4 Ke6 46. b4 1-0

[Event "NED-ch U14 op"]
[Site "Borne"]
[Date "2013.08.07"]
[Round "5"]
[White "Dubbeldam, Bart"]
[Black "Huygebaert, Batist"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1544"]
[BlackElo "1683"]
[PlyCount "78"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. Nbd2 Nge7 8. g3 Bd7 9. Bh3 Ng6 10. 0-0 Be7 11. Ne1 0-0 12. Nc2 Rad8 13. Nb4 Nxb4 14. axb4 f6 15. Qe2 fxe5 16. dxe5 Rf7 17. Nf3 a6 18. Nd4 Rdf8 19. Be3 Nxe5 20. Nxe6 Qc6 21. Nxf8 Bxh3 22. Qh5 Bf5 23. b5 Qd6 24. Bf4 Rxf8 25. Rfe1 g6 26. Qe2 Be4 27. Bxe5 Qxe5 28. f3 Bc5+ 29. Kg2 Qh5 30. fxe4 Rf2+ 31. Qxf2 Bxf2 32. Kxf2 Qxh2+ 33. Kf1 dxe4 34. bxa6 bxa6 35. Rxa6 Qh1+ 36. Ke2 Qf3+ 37. Kd2 Qf2+ 38. Re2 e3+ 39. Kd1 Qf1+ 0-1

[Event "NED-ch U14 op"]
[Site "Borne"]
[Date "2013.08.07"]
[Round "4"]
[White "Wunder, Anton"]
[Black "Dubbeldam, Bart"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "1751"]
[BlackElo "1544"]
[PlyCount "36"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 d5 4. Bb5 Bd6 5. f4 f6 6. Nh3 a6 7. Bxc6+ bxc6 8. fxe5 fxe5 9. 0-0 Nf6 10. Ng5 h6 11. Nf3 e4 12. Ne5 0-0 13. Ng6 Rf7 14. Be5 Kh7 15. Bxd6 Qxd6 16. Nf4 g5 17. Nh5 Bg4 18. Nxf6+ Rxf6 1/2-1/2

[Event "NED-ch U14 op"]
[Site "Borne"]
[Date "2013.08.06"]
[Round "2"]
[White "Bhattacharjee, Sourav"]
[Black "Dubbeldam, Bart"]
[Result "1-0"]
[ECO "B98"]
[WhiteElo "1777"]
[BlackElo "1544"]
[PlyCount "87"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Be2 h6 9. Bxf6 Bxf6 10. Qd2 g5 11. 0-0-0 gxf4 12. Nf3 Nc6 13. g3 fxg3 14. hxg3 Ne5 15. Kb1 Bg7 16. Nxe5 Bxe5 17. Rxh6 Rxh6 18. Qxh6 Bxg3 19. Bh5 Kd7 20. Bxf7 Kc7 21. Bxe6 Bxe6 22. Qxe6 Rc8 23. Nd5+ Kb8 24. Ne7 Rc5 25. Nf5 Be5 26. Nxd6 Qb6 27. Qe8+ Ka7 28. Qxe5 Rxe5 29. Nc8+ Kb8 30. Nxb6 Rxe4 31. b3 Kc7 32. Nd5+ Kc6 33. Kb2 b5 34. Nc3 Re7 35. a4 b4 36. Nd5 Rb7 37. c4 bxc3+ 38. Nxc3 Re7 39. b4 Rh7 40. Rg1 Rh4 41. Kb3 Rh7 42. Rg6+ Kb7 43. a5 Rh5 44. Ne4 1-0

[Event "NED-ch U14 op"]
[Site "Borne"]
[Date "2013.08.06"]
[Round "3"]
[White "Dubbeldam, Bart"]
[Black "Bertsch, Lars"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1544"]
[BlackElo "1034"]
[PlyCount "35"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. Bd3 Bxd3 6. Qxd3 Nd7 7. Nce2 c5 8. c3 Qb6 9. Nf3 c4 10. Qc2 0-0-0 11. 0-0 g6 12. b3 cxb3 13. axb3 h6 14. Bd2 Kb8 15. c4 Rc8 16. c5 a6 17. Nc3 Qc6 18. b4 1-0

[Event "NED-ch U14 op"]
[Site "Borne"]
[Date "2013.08.05"]
[Round "1"]
[White "Dubbeldam, Bart"]
[Black "Van Ham, Torsten"]
[Result "1-0"]
[ECO "C62"]
[WhiteElo "1544"]
[BlackElo "972"]
[PlyCount "67"]
[EventDate "2013.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 Bg4 5. d5 a6 6. dxc6 Bxf3 7. cxb7+ axb5 8. bxa8Q Qxa8 9. Qxf3 Nf6 10. Nc3 Qc6 11. Qd3 b4 12. Qb5 Qxb5 13. Nxb5 Kd7 14. a3 bxa3 15. Nxa3 Nxe4 16. f3 Nf6 17. Be3 Nd5 18. Nc4 Be7 19. 0-0-0 Ra8 20. Nxe5+ Ke6 21. Nc4 Bf6 22. Rhe1 Ra4 23. Bg5+ Be5 24. Nxe5 dxe5 25. b3 Ra8 26. c4 Nc3 27. Rd8 Ra2 28. Bd2 Ra1+ 29. Kc2 Rxe1 30. Bxe1 Ne2 31. Bg3 Nd4+ 32. Rxd4 exd4 33. Bxc7 Kd7 34. Be5 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2012.05.19"]
[Round "8"]
[White "Dubbeldam, Bart"]
[Black "Sealy, Alec"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "80"]
[EventDate "2012.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Bd3 Bxd3 6. Qxd3 Nd7 7. 0-0 c5 8. c3 c4 9. Qe2 Ne7 10. b3 b5 11. Be3 Ng6 12. b4 Be7 13. Nbd2 0-0 14. a4 a6 15. a5 f6 16. exf6 Bxf6 17. Rfe1 Re8 18. Nf1 e5 19. dxe5 Ndxe5 20. Nxe5 Nxe5 21. Qd2 Nd3 22. Bb6 Qd6 23. Re3 Rxe3 24. Bxe3 Nxb4 25. Bc5 Qxc5 26. cxb4 Qc6 27. Rc1 c3 28. Qd3 d4 29. Nd2 Qd6 30. Qf3 Rf8 31. Ne4 Qxb4 32. Nxf6+ Rxf6 33. Qa8+ Qf8 34. Qd5+ Kh8 35. Qxd4 b4 36. Rc2 Rd6 37. Qxd6 Qxd6 38. Rc1 c2 39. Re1 h6 40. g3 Qd1 0-1

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2012.05.19"]
[Round "9"]
[White "Elgersma, Simon"]
[Black "Dubbeldam, Bart"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "58"]
[EventDate "2012.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. c4 c6 5. Nc3 e6 6. Nf3 Bg4 7. h3 Bh5 8. g4 Bg6 9. cxd5 exd5 10. Bd3 Bxd3 11. Qxd3 Bb4 12. 0-0 Nbd7 13. Nd2 h5 14. f3 hxg4 15. hxg4 Nf8 16. Kf2 Bd6 17. Bxd6 Qxd6 18. Rh1 Rh2+ 19. Rxh2 Qxh2+ 20. Ke1 Qg1+ 21. Nf1 Ng6 22. Ne2 Qh1 23. g5 Qh4+ 24. Neg3 Nh5 25. Kf2 Nxg3 26. Nxg3 Qh2+ 27. Kf1 Qxg3 28. f4 Nxf4 29. exf4 Qxd3+ 0-1

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2012.05.19"]
[Round "7"]
[White "Hoeneveld, Maarten"]
[Black "Dubbeldam, Bart"]
[Result "1-0"]
[ECO "C56"]
[PlyCount "55"]
[EventDate "2012.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 Ng4 6. Bxf7+ Kxf7 7. Ng5+ Kg8 8. Qxg4 h6 9. Nf3 d6 10. e6 Qf6 11. 0-0 Ne5 12. Qe4 Nxf3+ 13. gxf3 Qxe6 14. Qxd4 Qg6+ 15. Kh1 Qxc2 16. b3 Qc6 17. Nd2 g5 18. Bb2 Rh7 19. Ne4 Bg7 20. Nf6+ Kf7 21. Qd3 Rh8 22. Rac1 Qb6 23. Rfe1 Be6 24. Qe4 d5 25. Nxd5 Bxd5 26. Qxd5+ Kf8 27. Ba3+ c5 28. Bxc5+ 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2012.05.18"]
[Round "5"]
[White "Dubbeldam, Bart"]
[Black "Bosma, Jan"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "100"]
[EventDate "2012.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bg5 c6 6. Bc4 b5 7. Bb3 0-0 8. 0-0 Bb7 9. e5 Ne8 10. e6 f6 11. Bf4 Nc7 12. Ne4 d5 13. Nc5 Bc8 14. Re1 Nba6 15. Nxa6 Nxa6 16. Qd2 Nc7 17. Bxc7 Qxc7 18. Qb4 a5 19. Qc5 Qd6 20. Qxd6 exd6 21. e7 Re8 22. a4 b4 23. Re2 Ra7 24. Rae1 Kf7 25. c3 Raxe7 26. Rxe7+ Rxe7 27. Rxe7+ Kxe7 28. Kf1 Bb7 29. Nd2 bxc3 30. bxc3 c5 31. dxc5 dxc5 32. c4 d4 33. Bc2 Ba6 34. Bd3 Kd6 35. Nb3 Bc8 36. Nxa5 Bd7 37. Bc2 Bf8 38. Nb3 Bxa4 39. Nxd4 cxd4 40. Bxa4 Kc5 41. Bb5 Kb4 42. Ke1 Kc3 43. Kd1 Bc5 44. h3 g5 45. g4 h6 46. f3 Kd3 47. Ba6 Ke3 48. Bb7 Kf2 49. h4 gxh4 50. f4 Kg3 0-1

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2012.05.18"]
[Round "6"]
[White "Dubbeldam, Bart"]
[Black "Koster, Tobias"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "105"]
[EventDate "2012.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nc6 3. Nf3 g6 4. d4 cxd4 5. cxd4 Bg7 6. Be2 Qb6 7. e5 Nh6 8. Bxh6 Bxh6 9. b3 Qb4+ 10. Kf1 0-0 11. d5 Nd8 12. Qd4 Qxd4 13. Nxd4 Bg7 14. f4 d6 15. Nf3 dxe5 16. Nxe5 Bxe5 17. fxe5 Bf5 18. Bc4 Rc8 19. Nd2 b6 20. Kf2 Nb7 21. Rac1 Nc5 22. Rc3 b5 23. Bxb5 Ne4+ 24. Nxe4 Bxe4 25. Rxc8 Rxc8 26. Bc4 a5 27. Re1 Bf5 28. a4 Rb8 29. d6 exd6 30. exd6 Rd8 31. Re7 Be6 32. Bxe6 fxe6 33. Rxe6 Kf7 34. Re7+ Kf6 35. Rxh7 Rxd6 36. Ra7 Rd5 37. Ra6+ Kf5 38. g4+ Kg5 39. Ke3 Kxg4 40. Rxg6+ Kf5 41. Rb6 Ke5 42. Rb5 Rxb5 43. axb5 Kd6 44. h4 Kc5 45. b6 Kxb6 46. h5 Kb5 47. h6 Kb4 48. h7 Kxb3 49. h8Q a4 50. Kd3 a3 51. Qb8+ Ka2 52. Kc2 Ka1 53. Qb1# 1-0

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2012.05.18"]
[Round "4"]
[White "Nguyen, Kevin"]
[Black "Dubbeldam, Bart"]
[Result "1/2-1/2"]
[ECO "C64"]
[PlyCount "124"]
[EventDate "2012.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 Nd5 7. cxd4 Bb4+ 8. Bd2 0-0 9. 0-0 d6 10. Bxb4 Ndxb4 11. a3 Nd5 12. Bc4 Be6 13. Nbd2 dxe5 14. dxe5 Bg4 15. Qc2 Nb6 16. Ba2 Nd4 17. Nxd4 Qxd4 18. Rfe1 Rfe8 19. Nb3 Qc4 20. Qxc4 Nxc4 21. Re4 Be6 22. Re2 Rad8 23. Nc5 Na5 24. Nxe6 fxe6 25. Rc1 Nc6 26. f4 g6 27. Kf2 Rd3 28. Rc3 Rxc3 29. bxc3 Kf7 30. Rd2 h5 31. h4 a5 32. a4 b6 33. Ke3 Rd8 34. Rxd8 Nxd8 35. Kd4 Nb7 36. Bb1 Nc5 37. Bc2 c6 38. Ke3 Kg7 39. c4 Kf7 40. Kf3 Na6 41. g4 hxg4+ 42. Kxg4 Nc5 43. Kh3 Kg7 44. Kg3 Kh6 45. Kg4 Kg7 46. Kg5 Na6 47. Bxg6 Nc7 48. h5 b5 49. h6+ Kh8 50. cxb5 cxb5 51. axb5 Nxb5 52. Be8 Nc3 53. Bd7 Ne4+ 54. Kg6 Nc5 55. Bb5 a4 56. Bc4 a3 57. h7 Nd3 58. Kg5 Kxh7 59. Bxe6 Kg7 60. Bd5 Nc1 61. Bb3 a2 62. Bxa2 Nxa2 1/2-1/2

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2012.05.17"]
[Round "1"]
[White "Bhattacharjee, Sourav"]
[Black "Dubbeldam, Bart"]
[Result "0-1"]
[ECO "C51"]
[PlyCount "48"]
[EventDate "2012.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Be7 6. d4 exd4 7. 0-0 d6 8. cxd4 h6 9. Qa4 Bd7 10. Qd1 Na5 11. Bd3 b5 12. Bb2 a6 13. Re1 Nf6 14. e5 dxe5 15. dxe5 Nd5 16. e6 Bxe6 17. Bxg7 Rg8 18. Bb2 Nf4 19. Rxe6 fxe6 20. Ne5 Bf6 21. Qf3 Bxe5 22. Bxe5 Nxd3 23. Bf6 Qd5 24. Qh3 Nf4 0-1

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2012.05.17"]
[Round "2"]
[White "Dubbeldam, Bart"]
[Black "Kuiper, Adrian"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "78"]
[EventDate "2012.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. Nf3 Ngf6 6. d3 e6 7. Bg5 Be7 8. 0-0 0-0 9. Nbd2 Rc8 10. d4 cxd4 11. cxd4 Qb6 12. Nb3 Rfe8 13. e5 dxe5 14. dxe5 Nd5 15. Bxe7 Rxe7 16. Rc1 Ree8 17. Qd4 Qxd4 18. Nbxd4 Nb4 19. Rce1 a6 20. a3 Nd5 21. Rc1 Nf4 22. Rce1 Ng6 23. Re2 Rc5 24. Rfe1 Rec8 25. Nb3 Rc2 26. Na5 b6 27. Nb3 h6 28. g3 a5 29. a4 R2c4 30. Ra1 Rb4 31. Ra3 Rcc4 32. Nbd2 Rc2 33. Ne1 Rc1 34. Kg2 Ndxe5 35. f4 Nc4 36. Nxc4 Rbxc4 37. Rb3 Rc6 38. Nd3 Ra1 39. Re4 Rc2+ 0-1

[Event "NED-ch U13"]
[Site "Rijswijk"]
[Date "2012.05.17"]
[Round "3"]
[White "Van Roon, Sjoerd"]
[Black "Dubbeldam, Bart"]
[Result "1/2-1/2"]
[ECO "C54"]
[PlyCount "103"]
[EventDate "2012.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. 0-0 0-0 11. Ne4 Bg4 12. Qb3 Bxf3 13. Bxd5 Bxe4 14. Bxe4 Qxd4 15. Qc2 Nb4 16. Qb1 g6 17. Bxb7 Rab8 18. Be4 Rfe8 19. Bf3 Nd3 20. b3 Re6 21. Qc2 Rbe8 22. Rad1 Nb4 23. Rxd4 Nxc2 24. Rc4 Ne1 25. Rxc7 Nxf3+ 26. gxf3 Ra6 27. a4 Rb8 28. Rb1 Rxa4 29. bxa4 Rxb1+ 30. Kg2 a6 31. Rc6 a5 32. Rc5 Kf8 33. Kg3 h6 34. Rxa5 Ke7 35. Ra7+ Ke6 36. f4 f6 37. Rh7 Rb3+ 38. Kg2 Rb4 39. a5 Rxf4 40. a6 h5 41. a7 Ra4 42. h4 Kf5 43. Kg3 Ra3+ 44. f3 g5 45. hxg5 fxg5 46. Rxh5 Rxa7 47. Rh6 Ra3 48. Rb6 Re3 49. Rb5+ Re5 50. Rxe5+ Kxe5 51. Kg4 Kf6 52. f4 1/2-1/2

