[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "4"]
[White "Groenhuis, Vincent"]
[Black "Roth, Maarten"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "59"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 exd4 5. e5 Nd5 6. cxd4 Be7 7. Bc4 Nb6 8. Bb3 d5 9. h3 Bf5 10. Nc3 h6 11. 0-0 Qd7 12. Bf4 0-0-0 13. Rc1 Rdg8 14. Nb5 Qe6 15. Qe2 a6 16. Nc3 g5 17. Bg3 g4 18. hxg4 Bxg4 19. Rfd1 h5 20. Na4 Nc4 21. Bxc4 dxc4 22. d5 Qg6 23. dxc6 Qxc6 24. Rxc4 Bxf3 25. gxf3 Qg6 26. e6 h4 27. Rxc7+ Kb8 28. Rxb7+ Kxb7 29. Rd7+ Kc6 30. Qxa6# 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "8"]
[White "Konijn, Bart"]
[Black "Roth, Maarten"]
[Result "0-1"]
[ECO "C24"]
[PlyCount "80"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d4 Nc6 4. d5 Ne7 5. Nc3 g6 6. Nf3 d6 7. Be3 Bg4 8. h3 Bd7 9. Qd2 Bg7 10. Bg5 h6 11. Be3 Nfg8 12. g4 f5 13. gxf5 gxf5 14. exf5 Nxf5 15. 0-0-0 Qf6 16. Ne4 Qf7 17. Qd3 Nxe3 18. Qxe3 Ne7 19. Qb3 0-0-0 20. Qa3 Kb8 21. Rd3 Nc8 22. Qa5 Nb6 23. Qc3 a6 24. Qb3 Nxc4 25. Qxc4 Bb5 26. Qc3 Bxd3 27. Qxd3 Rdf8 28. Nfd2 Bf6 29. f3 Rhg8 30. Qb3 Bg5 31. Nxg5 Rxg5 32. Ne4 Rf5 33. Nd2 Rg8 34. c4 Qg6 35. Rd1 Qg3 36. Kb1 Qxh3 37. Rc1 Rf7 38. c5 dxc5 39. Rxc5 Qf5+ 40. Ne4 Qxf3 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "5"]
[White "Roth, Maarten"]
[Black "Holland, Remco"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "79"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. c3 Bc5 6. d4 Bd6 7. d5 Ne7 8. Qc2 Bc5 9. Nxe5 d6 10. Nf3 c6 11. dxc6 Nxc6 12. 0-0 0-0 13. Bf4 Bg4 14. Nbd2 Bxf3 15. Nxf3 Re8 16. Rfe1 Re7 17. Rad1 Qe8 18. Bxd6 Bxd6 19. Rxd6 Nxe4 20. Rdd1 Rc8 21. Nd4 Nxd4 22. Rxd4 Nd6 23. Rxe7 Qxe7 24. Bf1 g5 25. Rd3 Qe6 26. b3 Nf5 27. g3 Qe5 28. Qd2 Kg7 29. Bg2 Qe7 30. Rd7 Qc5 31. c4 b6 32. Rxa7 b5 33. Qd5 Qxa7 34. Qxf5 bxc4 35. Qxc8 cxb3 36. axb3 Qa1+ 37. Bf1 Qb1 38. Qc3+ f6 39. b4 Qe4 40. b5 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "1"]
[White "Roth, Maarten"]
[Black "Porte, Henrik"]
[Result "0-1"]
[ECO "B72"]
[PlyCount "52"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 g6 7. 0-0 Bg7 8. Be3 0-0 9. Re1 Bd7 10. Qd2 Rc8 11. Bf1 a6 12. f4 e5 13. Nf3 Bg4 14. Be2 Qd7 15. Rf1 Rfd8 16. Rad1 Qc7 17. h3 Be6 18. Nd5 Bxd5 19. exd5 Ne7 20. c4 Nf5 21. Bf2 Ne4 22. Qc1 Nxf2 23. Rxf2 Qc5 24. Nd2 Ng3 25. Bd3 Re8 26. Be4 Ne2+ 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "3"]
[White "Roth, Maarten"]
[Black "Severijnen, Arjon"]
[Result "0-1"]
[ECO "B02"]
[PlyCount "50"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 d5 2. d3 dxe4 3. dxe4 Qxd1+ 4. Kxd1 Nf6 5. Nc3 e6 6. Bd2 Bc5 7. Ke1 0-0 8. Bb5 b6 9. Nf3 Bb7 10. Bd3 Ng4 11. Ke2 Nxf2 12. Rhf1 Nxd3 13. cxd3 Ba6 14. Rfd1 Nc6 15. Bf4 Rac8 16. a3 Bd6 17. Rac1 Bxf4 18. Rc2 Ne5 19. g3 Nxf3 20. Kxf3 Be5 21. d4 Bd6 22. Rg2 Bb7 23. Ke3 c5 24. Nb5 cxd4+ 25. Kxd4 Bc5+ 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "9"]
[White "Roth, Maarten"]
[Black "Van Dommelen, Martin"]
[Result "0-1"]
[ECO "B76"]
[PlyCount "46"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nf6 8. f3 0-0 9. Qd2 Bd7 10. 0-0-0 a6 11. g4 Rc8 12. h4 Ne5 13. h5 Nexg4 14. fxg4 Nxg4 15. Bxg4 Bxg4 16. Rdg1 Qd7 17. hxg6 fxg6 18. Nd5 Bxd4 19. Bxd4 Rce8 20. Nc7 Qxc7 21. Rxg4 e5 22. Rxg6+ hxg6 23. Qh6 Qg7 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "7"]
[White "Roth, Maarten"]
[Black "Weijers, Ralf"]
[Result "1-0"]
[ECO "B45"]
[PlyCount "71"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. a3 d6 7. Bb5 Bd7 8. 0-0 a6 9. Be2 b5 10. Be3 Be7 11. Bf3 0-0 12. e5 Nd5 13. Nxd5 exd5 14. exd6 Bxd6 15. Bxd5 Qc7 16. g3 Rac8 17. Be4 Rfe8 18. Bd3 Nxd4 19. Bxd4 Bh3 20. Qh5 Be6 21. Qxh7+ Kf8 22. Qxg7+ Ke7 23. Qf6+ Kd7 24. Qf3 Be5 25. Bxe5 Qxe5 26. Rad1 Ke7 27. c3 Rh8 28. Rfe1 Qg5 29. Qf5 Qh6 30. h4 Kf8 31. Qf3 Bd7 32. Be4 Qg7 33. Rxd7 Rxh4 34. Rxf7+ Qxf7 35. Qxf7+ Kxf7 36. gxh4 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "2"]
[White "Van Kempen, Roderick"]
[Black "Roth, Maarten"]
[Result "0-1"]
[ECO "D35"]
[PlyCount "59"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. e3 Nf6 4. Nc3 Nbd7 5. Bd2 c6 6. b3 Be7 7. Nf3 0-0 8. Qc2 Bd6 9. c5 Bc7 10. Bd3 e5 11. dxe5 Nxe5 12. Nxe5 Bxe5 13. 0-0 Qe7 14. b4 Qc7 15. f4 Bxc3 16. Bxc3 h6 17. Bxf6 gxf6 18. Rf3 Kh8 19. Bf5 Rg8 20. h4 Rg7 21. Kf2 Be6 22. Rg1 Qd7 23. Bxe6 fxe6 24. Qc3 Qe7 25. Qd4 a5 26. Ra1 axb4 27. Qxb4 b5 28. Qb2 Qxc5 29. Qxf6 Qc2+ 30. Kg1 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "6"]
[White "Zoutman, Floris"]
[Black "Roth, Maarten"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "58"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc3 d6 6. Bg5 Bb4 7. a3 Ba5 8. b4 Bb6 9. Qd2 Bg4 10. Nd5 Rg8 11. Nh4 h6 12. Nxf6+ gxf6 13. Bxh6 f5 14. g3 f4 15. Bxf4 exf4 16. Qxf4 Qe7 17. Nf5 Bxf5 18. Qxf5 Nd4 19. Qh7 Qf8 20. Rc1 Rh8 21. Bxf7+ Ke7 22. Qg6 Qxf7 23. Qg4 Raf8 24. Qg5+ Ke8 25. Qg4 Qxf2+ 26. Kd1 Qf3+ 27. Qxf3 Rxf3 28. Kd2 Rf2+ 29. Kc3 Ne2+ 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "5"]
[White "Benning, Tim"]
[Black "Roth, Maarten"]
[Result "1-0"]
[ECO "C30"]
[PlyCount "57"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Bc4 d6 4. Nf3 Bg4 5. h3 Bxf3 6. Qxf3 Nf6 7. Nc3 Nc6 8. d3 Nd4 9. Qd1 0-0 10. Ne2 Nc6 11. Ng3 Re8 12. c3 exf4 13. Bxf4 d5 14. Bb5 dxe4 15. d4 Bb6 16. 0-0 Nd5 17. Qg4 Nxf4 18. Rxf4 Qd6 19. Nxe4 Qg6 20. Qf3 Ne5 21. Qf1 c6 22. Ba4 Rf8 23. Kh1 Nd7 24. Rg4 Qh6 25. Bb3 Bc7 26. Qf5 Nb6 27. Rg5 a5 28. Nf6+ Kh8 29. Rh5 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "7"]
[White "Keus, Herbert"]
[Black "Roth, Maarten"]
[Result "1-0"]
[ECO "A28"]
[PlyCount "121"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. e3 d6 4. d4 Be7 5. Nf3 Nc6 6. a3 a5 7. d5 Nb8 8. e4 0-0 9. Bd3 Bg4 10. h3 Bd7 11. 0-0 Ne8 12. Qb3 Na6 13. Be3 Qc8 14. Kh2 Rb8 15. Nb5 f5 16. exf5 Bxf5 17. Bxf5 Qxf5 18. Qa4 e4 19. Nfd4 Qe5+ 20. g3 Nc5 21. Qc2 Rf6 22. Bf4 Qh5 23. Rae1 g5 24. g4 Qg6 25. Nf5 Rxf5 26. gxf5 Qxf5 27. Bg3 h5 28. Nd4 Qf6 29. Kg2 Qxd4 30. f4 Ng7 31. fxg5 Bxg5 32. Bf2 Qd3 33. Qxd3 Nxd3 34. Rxe4 Nxb2 35. Be3 Bxe3 36. Rxe3 Nxc4 37. Rc3 Nd2 38. Rfc1 Ne8 39. Rg3+ Kh7 40. Re1 Nc4 41. Rg5 Nxa3 42. Rxh5+ Kg6 43. Rh8 Kf7 44. h4 Kg7 45. Rexe8 Rxe8 46. Rxe8 Nc4 47. Re7+ Kh6 48. Rxc7 Ne3+ 49. Kg3 Nxd5 50. Rxb7 a4 51. Ra7 Nb6 52. Ra6 Nc4 53. Rxa4 Ne5 54. Ra6 Ng6 55. Rxd6 Kh5 56. Rd5+ Kh6 57. Ra5 Ne7 58. Kg4 Ng8 59. Ra6+ Kg7 60. Kg5 Nh6 61. Rxh6 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "1"]
[White "Roth, Maarten"]
[Black "Allamehzadeh, A."]
[Result "0-1"]
[ECO "B70"]
[PlyCount "96"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Nf3 Bg7 7. Bc4 0-0 8. 0-0 Nc6 9. Bf4 Qb6 10. Bb3 Bg4 11. Na4 Qd8 12. h3 Bxf3 13. Qxf3 Nd4 14. Qe3 Nc6 15. Rfd1 Qc7 16. c4 Qc8 17. Rac1 b6 18. Bg5 Nh5 19. Nc3 Qb7 20. Ba4 Ne5 21. Nd5 f6 22. Bh4 g5 23. Bg3 Bh6 24. Bxe5 dxe5 25. Bc6 Qb8 26. Bxa8 Qxa8 27. Nxf6+ Nxf6 28. f3 Kg7 29. Qc3 g4 30. Rc2 gxf3 31. gxf3 Bf4 32. Rg2+ Kh8 33. Qb4 Qb7 34. Qe1 Qc8 35. Qh4 Qxc4 36. b3 Qc8 37. Kh1 Rg8 38. Rdg1 Rxg2 39. Rxg2 Qc1+ 40. Rg1 Qd2 41. Rg2 Qd1+ 42. Rg1 Qxf3+ 43. Rg2 Be3 44. Qe1 Qxh3+ 45. Rh2 Qf3+ 46. Rg2 Nxe4 47. Qe2 Qh3+ 48. Rh2 Ng3# 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "3"]
[White "Roth, Maarten"]
[Black "Lahaye, Rick"]
[Result "0-1"]
[ECO "B90"]
[PlyCount "98"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Nf3 Nc6 7. Bd3 e6 8. 0-0 Be7 9. Re1 b5 10. h3 Bb7 11. Be3 0-0 12. a4 b4 13. Na2 d5 14. e5 Nd7 15. Bf4 Qb6 16. Qe2 Bc5 17. Be3 a5 18. Bxh7+ Kxh7 19. Ng5+ Kg6 20. Qd3+ f5 21. exf6+ Kxf6 22. Nh7+ Ke7 23. Nxf8 Rxf8 24. Bxc5+ Qxc5 25. Qe3 Qxe3 26. Rxe3 e5 27. c3 bxc3 28. Rxc3 Nd4 29. Re1 Ba6 30. Rce3 Nc2 31. Rxe5+ Nxe5 32. Rxe5+ Kd6 33. Rg5 Bc4 34. Nc3 Rf7 35. Rg6+ Kc5 36. h4 Nd4 37. Rg5 Ne2+ 38. Nxe2 Bxe2 39. b3 Bd1 40. Rg3 d4 41. Kf1 Re7 42. Rg5+ Kb4 43. Rb5+ Kc3 44. Rxa5 Kd2 45. Kg1 Bxb3 46. Ra6 Rd7 47. h5 d3 48. g4 Kc1 49. Rc6+ Bc2 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "8"]
[White "Roth, Maarten"]
[Black "Thoolen, Fien"]
[Result "1-0"]
[ECO "C53"]
[PlyCount "23"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. d4 Bb6 6. 0-0 Bg4 7. dxe5 dxe5 8. Bxf7+ Kxf7 9. Ng5+ Ke7 10. Qxg4 Nf6 11. Qe6+ Kf8 12. Qf7# 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "6"]
[White "Roth, Maarten"]
[Black "Veenstra, Petra"]
[Result "0-1"]
[ECO "C55"]
[PlyCount "104"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. c3 d6 6. Bg5 h6 7. Be3 0-0 8. 0-0 Bd7 9. b4 a6 10. Qb3 Na7 11. a4 Nc8 12. Qc2 c6 13. Bb3 a5 14. Nbd2 Ng4 15. Nc4 Nxe3 16. fxe3 axb4 17. cxb4 Nb6 18. Qf2 Nxc4 19. Bxc4 Qc8 20. Qg3 Be6 21. Rfc1 Qd7 22. d4 exd4 23. exd4 Bxc4 24. Rxc4 b5 25. Rc3 Rxa4 26. Rac1 Ra6 27. e5 d5 28. Nd2 Bxb4 29. R3c2 Bxd2 30. Rxd2 Rfa8 31. Qc3 Rb6 32. Qc5 Raa6 33. Qc2 Qe7 34. Qf5 Qg5 35. Qc8+ Kh7 36. Rdc2 Qe3+ 37. Kh1 Qf4 38. Qd7 b4 39. Qh3 b3 40. Qd3+ Qe4 41. Qxe4+ dxe4 42. Rb2 Ra4 43. Rcb1 Rxd4 44. g3 Rd3 45. Kg2 Kg6 46. Rf1 c5 47. Rf4 c4 48. Rf1 c3 49. Rbb1 b2 50. Rf2 Rd2 51. Rxd2 cxd2 52. Rxb2 Rxb2 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "9"]
[White "Solleveld, Floris"]
[Black "Roth, Maarten"]
[Result "0-1"]
[ECO "C54"]
[PlyCount "76"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. c3 Nf6 6. b4 Bb6 7. a4 a6 8. h3 Be6 9. Qb3 Bxc4 10. Qxc4 0-0 11. Be3 d5 12. exd5 Nxd5 13. Bc5 Bxc5 14. Qxc5 Nf4 15. 0-0 Nxd3 16. Qe3 e4 17. Qxe4 Re8 18. Qf5 g6 19. Qg4 Nde5 20. Nxe5 Nxe5 21. Qg3 Nc4 22. Qf4 Qd7 23. Qxc4 Rad8 24. a5 c6 25. Na3 Qd2 26. Qb3 Rd3 27. Nc4 Qg5 28. f4 Qg3 29. Ne5 Rd5 30. Rf3 Qh4 31. Kh2 g5 32. Ng4 Rd2 33. Nf6+ Kf8 34. Nxe8 g4 35. Rg3 gxh3 36. Rxh3 Qxf4+ 37. Kg1 Qf2+ 38. Kh1 Qxg2# 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "2"]
[White "Van Steenwinckel, Iris"]
[Black "Roth, Maarten"]
[Result "0-1"]
[ECO "C45"]
[PlyCount "24"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 Bc5 7. Bg5 0-0 8. 0-0 d6 9. Qf3 Kh8 10. e5 dxe5 11. Qxc6 Qd5 12. Qxc7 Bb7 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "4"]
[White "Weijers, Ralf"]
[Black "Roth, Maarten"]
[Result "0-1"]
[ECO "C30"]
[PlyCount "40"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c3 Qe7 5. Bc4 Bg4 6. a4 a6 7. Na3 Nf6 8. Qe2 0-0 9. Nc2 Nc6 10. h3 Bxf3 11. Qxf3 exf4 12. d3 d5 13. Bb3 dxe4 14. Qxf4 exd3+ 15. Ne3 Rae8 16. Kf2 Ne4+ 17. Kf3 d2 18. Bd5 dxc1Q 19. Raxc1 Nd2+ 20. Kg4 Bxe3 0-1

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "13"]
[White "Huistra, Heikel"]
[Black "Roth, Maarten"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "75"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[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. Qb3 Na5 11. Qa4+ Nc6 12. Ne5 Bd7 13. Bxd5 Nxe5 14. Qb3 Be6 15. Bxe6 Qxd4 16. Bd5 c6 17. Bc4 0-0 18. Qc2 Rad8 19. Be2 Rfe8 20. Nb3 Nd3+ 21. Kd2 Nb4+ 22. Nxd4 Nxc2 23. Kxc2 Rxd4 24. Rhe1 Rde4 25. Kd2 Rf4 26. Bf3 Rd8+ 27. Kc2 Rf5 28. Rad1 Rf8 29. Rd7 Ra5 30. Kb1 b6 31. Ree7 a6 32. Bxc6 Rc5 33. Bd5 Rfc8 34. Bxf7+ Kf8 35. a3 Rc2 36. Bb3 Rxf2 37. Rxg7 Re8 38. Rg8# 1-0

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "11"]
[White "Lahaye, Rick"]
[Black "Roth, Maarten"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "19"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d5 6. exd5 Nxd5 7. Qb3 Be6 8. Qxb7 Qd7 9. Qxa8+ Qd8 10. Qxc6+ 1-0

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "10"]
[White "Roth, Maarten"]
[Black "Azadmanesh, Moosa"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "106"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 e6 4. c3 a6 5. d4 Qc7 6. Bd3 b5 7. Bc2 Bb7 8. Be3 Nf6 9. Nbd2 Nbd7 10. 0-0 Be7 11. Qe2 0-0 12. Bg5 h6 13. Be3 Rac8 14. Rac1 Qb8 15. Rfe1 Qa8 16. Bf4 Nh5 17. Be3 Nhf6 18. Bf4 Nb6 19. Qe3 Ng4 20. Qe2 Rfd8 21. h3 Nf6 22. Red1 Nh7 23. e5 c4 24. b3 Nd5 25. Bg3 Kh8 26. Bxh7 Kxh7 27. Ne4 dxe5 28. Bxe5 cxb3 29. axb3 f5 30. c4 Nb6 31. Ned2 bxc4 32. bxc4 Ba3 33. Rc2 Bc6 34. Rc3 Bb4 35. Rcc1 Ba4 36. Re1 a5 37. Bf4 Re8 38. Ne5 Re7 39. Qh5 Be8 40. Qh4 Rb7 41. Re2 a4 42. Rb1 Be7 43. Qg3 a3 44. Ra1 Na4 45. c5 Qa6 46. Re3 g5 47. Rexa3 gxf4 48. Qxf4 Bg5 49. Qf3 Bxd2 50. Rxa4 Bxa4 51. Rxa4 Rb1+ 52. Kh2 Qxa4 53. d5 Qf4+ 0-1

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "12"]
[White "Roth, Maarten"]
[Black "Hoek, Martijn"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "73"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Nc3 c6 7. Be3 Qf6 8. Be2 Be7 9. Rd1 Be6 10. 0-0 c5 11. Bb5+ Kf8 12. Qa4 a6 13. Rfe1 Nh6 14. Nd5 Bxd5 15. exd5 Ng4 16. Bd7 Ne5 17. Bf4 Ng6 18. Re4 Kg8 19. Rde1 h6 20. Bd2 Kf8 21. Bg4 h5 22. Bh3 Qxb2 23. Qd7 Re8 24. Bf5 Ne5 25. Be6 Nxd7 26. Bxd7 f6 27. Bxe8 Kxe8 28. Rxe7+ Kd8 29. Bf4 Qb6 30. R1e6 Kc8 31. Bxd6 Qb1+ 32. Re1 Qxa2 33. Bxc5 Qxd5 34. Bb6 Qd2 35. Re8+ Rxe8 36. Rxe8+ Kd7 37. Rd8+ 1-0

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "7"]
[White "Snuverink, Michiel"]
[Black "Roth, Maarten"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "67"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Bg5 d6 6. h3 Be6 7. Bb3 0-0 8. 0-0 Qe7 9. Nc3 Rad8 10. Nd5 Bxd5 11. Bxd5 Na5 12. c3 c6 13. Bxf7+ Qxf7 14. b4 Bb6 15. Bxf6 Qxf6 16. bxa5 Bxa5 17. Rc1 Qe6 18. Ng5 Qg6 19. Qb3+ Kh8 20. Ne6 Rf3 21. Kh1 Rxd3 22. Nxd8 Bxd8 23. Rfe1 Rd2 24. Kg1 Bb6 25. Rf1 Qg3 26. Qf7 h6 27. Rcd1 Bxf2+ 28. Kh1 Be3 29. Rxd2 Bxd2 30. Rf3 Qe1+ 31. Kh2 Qxe4 32. Qf8+ Kh7 33. Rg3 Bf4 34. Qxg7# 1-0

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "9"]
[White "Solleveld, Floris"]
[Black "Roth, Maarten"]
[Result "0-1"]
[ECO "A02"]
[PlyCount "48"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. f4 f5 2. d3 e6 3. Nf3 Nf6 4. Nc3 Nc6 5. e4 Bb4 6. Nd2 Nd4 7. Ncb1 fxe4 8. c3 Nf5 9. cxb4 Ne3 10. Qb3 Ned5 11. dxe4 Nxf4 12. Qf3 Ng6 13. Bc4 d5 14. exd5 exd5 15. Qe3+ Kf7 16. 0-0 Re8 17. Qd4 dxc4 18. Qxc4+ Be6 19. Qc3 Kg8 20. Rd1 Ne4 21. Nxe4 Qxd1+ 22. Kf2 Rf8+ 23. Ke3 Qg1+ 24. Kd2 Qxg2+ 0-1

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "5"]
[White "Van Beek, Guido"]
[Black "Roth, Maarten"]
[Result "1-0"]
[ECO "C64"]
[PlyCount "66"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. 0-0 d6 5. h3 Nf6 6. Re1 Bd7 7. c3 0-0 8. Ba4 Re8 9. Bc2 Ne7 10. d4 Bb6 11. Nbd2 c6 12. dxe5 dxe5 13. Nxe5 Be6 14. Ndf3 Qc8 15. Nh2 Bxh3 16. gxh3 Qxh3 17. Qf3 Qh4 18. Bb3 Bc7 19. Bf4 Rf8 20. Qg3 Qxg3+ 21. fxg3 Rae8 22. Rad1 Nc8 23. Neg4 Nxe4 24. Bxc7 Kh8 25. Nf2 Nf6 26. Rxe8 Rxe8 27. Rd8 Rxd8 28. Bxd8 Kg8 29. Bxf6 gxf6 30. Nhg4 Kg7 31. Bc2 Nd6 32. Ne4 Nc4 33. Nexf6 Nxb2 1-0

