[Event "Eindhoven WLC op 13th"]
[Site "Eindhoven"]
[Date "2023.05.07"]
[Round "5"]
[White "Weijers, Ralf"]
[Black "Margarido, Jose Miguel Teixeir"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "1929"]
[BlackElo "2121"]
[PlyCount "122"]
[EventDate "2023.05.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c6 2. Bc4 d5 3. Bb3 dxe4 4. Qh5 g6 5. Qh4 a5 6. a3 Na6 7. Nc3 Nc5 8. Ba2 Bg7 9. Nxe4 Nxe4 10. Qxe4 Bf5 11. Qe2 Nf6 12. d3 Nd5 13. Rb1 Qd6 14. g3 0-0 15. h4 e5 16. Be3 e4 17. Bxd5 exd3 18. Bxf7+ Rxf7 19. cxd3 Bxd3 20. Rd1 Qd5 21. Qxd3 Qxh1 22. Kf1 Re8 23. Qb3 a4 24. Qd3 Qe4 25. Bc1 Qxd3+ 26. Rxd3 Rfe7 27. Nf3 Bf6 28. b4 axb3 29. Rxb3 c5 30. Rb6 Kg7 31. g4 Kf7 32. Ng5+ Bxg5 33. Bxg5 Rd7 34. Rf6+ Kg7 35. Rf3 Rf7 36. Rc3 b6 37. Rb3 Re6 38. Kg2 Rd7 39. Be3 Ra7 40. Kg3 Rc6 41. Kf3 Kf7 42. Ke4 Ke6 43. f4 Ra4+ 44. Kf3 h5 45. Bc1 Kd5 46. Re3 hxg4+ 47. Kxg4 Re4 48. Rc3 c4 49. Kf3 Rd4 50. Rc2 Rd3+ 51. Kg4 c3 52. f5 Rc4+ 53. Kg5 Rg3+ 54. Kf6 Rc6+ 55. Kf7 Rf3 56. Bg5 Rxf5+ 57. Kg7 Kc4 58. Bd2 Kb3 59. Rxc3+ Rxc3 60. Bxc3 Kxc3 61. Kxg6 Ra5 0-1

[Event "Eindhoven WLC op 13th"]
[Site "Eindhoven"]
[Date "2023.05.06"]
[Round "2"]
[White "Sprangers, Remco"]
[Black "Weijers, Ralf"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2240"]
[BlackElo "1929"]
[PlyCount "27"]
[EventDate "2023.05.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. g4 h6 5. Nf3 e5 6. g5 hxg5 7. Nxg5 exd4 8. Qxd4 Be7 9. Rg1 Nh5 10. f4 Bf6 11. Qc4 Bxg5 12. Rxg5 Nb6 13. Qb5+ Bd7 14. Rxh5 1-0

[Event "Eindhoven WLC op 13th"]
[Site "Eindhoven"]
[Date "2023.05.06"]
[Round "4"]
[White "Wiley, Tom E"]
[Black "Weijers, Ralf"]
[Result "1-0"]
[ECO "E93"]
[WhiteElo "2122"]
[BlackElo "1929"]
[PlyCount "89"]
[EventDate "2023.05.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nbd7 7. Be3 e5 8. d5 Ne8 9. Nd2 f5 10. f3 f4 11. Bf2 a6 12. Qc2 c5 13. dxc6 bxc6 14. b4 Nc7 15. Nb3 Qe7 16. b5 c5 17. Nd5 Qd8 18. Nxc7 Qxc7 19. 0-0 g5 20. Rfd1 Rd8 21. Qd2 Nf8 22. Nxc5 Ne6 23. Nb3 Bb7 24. a4 Bf6 25. Qa5 Qe7 26. Qb4 g4 27. Kh1 Ng5 28. c5 gxf3 29. Bxf3 d5 30. Nd2 a5 31. Qb3 Nxf3 32. gxf3 Kh8 33. c6 Bc8 34. b6 d4 35. b7 Bxb7 36. Qxb7 Qe6 37. c7 Rg8 38. Rg1 Rgc8 39. Rab1 Be7 40. Qxa8 Rxa8 41. Rb8+ Qc8 42. Rxc8+ Rxc8 43. Rc1 Bb4 44. Nb3 Bc3 45. Bh4 1-0

[Event "Eindhoven WLC op 13th"]
[Site "Eindhoven"]
[Date "2023.05.05"]
[Round "1"]
[White "Weijers, Ralf"]
[Black "Grooten, Herman"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1929"]
[BlackElo "2252"]
[PlyCount "107"]
[EventDate "2023.05.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. a3 e5 3. Bc4 Nc6 4. Ne2 d6 5. Nbc3 Be6 6. Nd5 a6 7. Nec3 b5 8. Ba2 b4 9. axb4 cxb4 10. Na4 Rb8 11. c3 Nf6 12. d3 Bxd5 13. Bxd5 Nxd5 14. exd5 Ne7 15. c4 Ng6 16. d4 Be7 17. dxe5 Nxe5 18. b3 Bf6 19. Bb2 0-0 20. 0-0 Re8 21. Qd2 Qc8 22. f4 Ng4 23. h3 Bxb2 24. Nxb2 Nf6 25. Rfe1 Ne4 26. Qc2 Qc5+ 27. Kh2 Qd4 28. Rxa6 Nc5 29. Raa1 Qxf4+ 30. Kh1 Rxe1+ 31. Rxe1 Qg3 32. Qe2 h6 33. Qe3 Qg6 34. Na4 Nxa4 35. Qa7 Rf8 36. Qxa4 Qg3 37. Qxb4 f5 38. Rf1 Re8 39. Qb7 g6 40. Qd7 Re2 41. Qd8+ Kf7 42. Qc7+ Re7 43. Qb6 Re2 44. Qc7+ Re7 45. Qb6 h5 46. Rg1 f4 47. Qxd6 Re1 48. Qc7+ Kf6 49. Qb6+ Kg5 50. b4 Re2 51. d6 Kh4 52. d7 f3 53. d8Q+ g5 54. Qbd4+ 1-0

[Event "Plzen op 11th"]
[Site "Plzen"]
[Date "2023.03.10"]
[Round "8"]
[White "Lihotsky, Lukas"]
[Black "Weijers, Ralf"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2053"]
[BlackElo "1890"]
[PlyCount "115"]
[EventDate "2023.03.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 Nbd7 7. 0-0 e5 8. Be3 h6 9. d5 Ne8 10. Ne1 f5 11. f3 f4 12. Bf2 Bf6 13. b4 Bh4 14. g3 Qg5 15. Kg2 Ndf6 16. Nd3 Nh5 17. Qe1 fxg3 18. hxg3 Nf4+ 19. Nxf4 exf4 20. Rh1 Bxg3 21. Bxg3 Qxg3+ 22. Qxg3 fxg3 23. Kxg3 Kg7 24. f4 g5 25. fxg5 hxg5 26. Rh5 Nf6 27. Rxg5+ Kh6 28. Kh4 Bd7 29. Rag1 Rg8 30. Rxg8 Nxg8 31. Kg3 Nf6 32. Kf4 Rf8 33. Ke3 Be8 34. a4 a6 35. a5 Nd7 36. Nd1 Bg6 37. Nf2 Re8 38. Bd3 Kg7 39. Kd4 Ne5 40. Be2 Rh8 41. Ng4 Rh4 42. c5 Kf7 43. Rf1+ Ke7 44. Rf4 Bh5 45. Nxe5 dxe5+ 46. Kxe5 Rxf4 47. Bxh5 Rh4 48. Bg6 Rh6 49. Bf5 Kd8 50. d6 cxd6+ 51. cxd6 Rh1 52. Kd5 Rb1 53. Kc5 Rc1+ 54. Kd5 Rb1 55. e5 Rxb4 56. e6 Rb5+ 57. Ke4 Rxa5 58. e7+ 1-0

[Event "Plzen op 11th"]
[Site "Plzen"]
[Date "2023.03.09"]
[Round "7"]
[White "Weijers, Ralf"]
[Black "Tavernier, Loris"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "1890"]
[BlackElo "2006"]
[PlyCount "52"]
[EventDate "2023.03.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c6 2. Bc4 d5 3. Bb3 dxe4 4. Qh5 g6 5. Qh4 Nf6 6. Nc3 Nbd7 7. Nxe4 Bg7 8. f3 a5 9. a3 0-0 10. Ne2 Nxe4 11. fxe4 Nc5 12. Ba2 Bf6 13. Qf4 e5 14. Qe3 Ne6 15. 0-0 Bg7 16. d3 Qc7 17. Bd2 b5 18. c3 c5 19. Bd5 Rb8 20. Rac1 Qd6 21. b4 cxb4 22. cxb4 a4 23. Rc6 Qe7 24. Bxe6 Bxe6 25. Rfc1 Rfd8 26. R1c3 Rd7 1/2-1/2

[Event "Plzen op 11th"]
[Site "Plzen"]
[Date "2023.03.08"]
[Round "6"]
[White "Bergerhoff, Andreas"]
[Black "Weijers, Ralf"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2016"]
[BlackElo "1890"]
[PlyCount "112"]
[EventDate "2023.03.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d6 3. e4 Nbd7 4. f4 e5 5. Nf3 exd4 6. Qxd4 c6 7. Bd2 Qb6 8. 0-0-0 Nc5 9. h3 Ne6 10. Qxb6 axb6 11. Kb1 Nh5 12. f5 Nc5 13. Be1 g6 14. g4 Ng7 15. Bg3 h5 16. fxg6 hxg4 17. gxf7+ Kxf7 18. Ng5+ Kg6 19. h4 Be7 20. Bg2 Rd8 21. Ne2 Nce6 22. Nxe6 Bxe6 23. Nf4+ Kh6 24. Nxe6 Nxe6 25. Rhf1 Kg7 26. c4 Ra5 27. Rf5 Kg6 28. Rdf1 Rf8 29. Be1 Raa8 30. h5+ Kg7 31. Bc3+ Kg8 32. h6 Bg5 33. e5 Rxf5 34. Rxf5 Rf8 35. Be4 Bxh6 36. exd6 Nc5 37. Rxf8+ Bxf8 38. d7 Nxd7 39. b4 Bg7 40. Be1 Ne5 41. b5 Kf7 42. Bg3 Nxc4 43. bxc6 bxc6 44. Bxc6 Ke6 45. Bb7 Be5 46. Bf2 g3 47. Bg1 Bd6 48. Kc2 Bc5 49. Bxc5 bxc5 50. Kd3 Nd6 51. Bh1 Kd7 52. Bd5 c4+ 53. Ke3 c3 54. Kd3 Nb5 55. a4 Kd6 56. Bh1 Kc5 1/2-1/2

[Event "Plzen op 11th"]
[Site "Plzen"]
[Date "2023.03.06"]
[Round "3"]
[White "Weijers, Ralf"]
[Black "Simet, Martin"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "1890"]
[BlackElo "2201"]
[PlyCount "61"]
[EventDate "2023.03.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c6 2. Bc4 d5 3. Bb3 e5 4. exd5 cxd5 5. d4 e4 6. f3 Bd6 7. Nc3 Qh4+ 8. Kf1 Nc6 9. Bxd5 Nf6 10. Bxe4 0-0 11. Nge2 Be6 12. g3 Qh3+ 13. Kf2 Rad8 14. Bxc6 bxc6 15. Ne4 Nxe4+ 16. fxe4 f5 17. e5 Bxe5 18. Nf4 Bxf4 19. Bxf4 Bd5 20. Qf1 Qg4 21. Qd3 g5 22. h3 Qh5 23. Be5 f4 24. gxf4 Qh4+ 25. Ke2 Bxh1 26. Rxh1 Rd5 27. Qe3 c5 28. Rg1 Rf5 29. Qf3 Qh5 30. Rg4 Qf7 31. Bb8 1/2-1/2

[Event "Plzen op 11th"]
[Site "Plzen"]
[Date "2023.03.05"]
[Round "2"]
[White "Weijers, Ralf"]
[Black "Heinzel, Olaf"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1890"]
[BlackElo "2284"]
[PlyCount "52"]
[EventDate "2023.03.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Bc4 Nf6 5. d3 c6 6. Bd2 Qc7 7. f4 Bg4 8. Nf3 e6 9. h3 Bxf3 10. Qxf3 g6 11. 0-0-0 Bg7 12. g4 Nd5 13. f5 Nxc3 14. Bxc3 Bxc3 15. bxc3 Nd7 16. fxe6 fxe6 17. Qe3 e5 18. Rhf1 Qa5 19. Qg5 Qa3+ 20. Kd2 Qe7 21. Qxe7+ Kxe7 22. Rf7+ Kd6 23. Rdf1 b5 24. Bb3 a5 25. a3 Raf8 26. Ke3 Rxf7 1/2-1/2

[Event "EU Corporate-ch"]
[Site "Rotterdam"]
[Date "2022.06.18"]
[Round "1"]
[White "Weijers, Ralf"]
[Black "De Vreugt, Dennis"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1857"]
[BlackElo "2393"]
[PlyCount "46"]
[EventDate "2022.06.18"]
[EventType "team-tourn (rapid)"]
[EventRounds "9"]
[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. Bc4 Nf6 4. d4 exd4 5. e5 Ne4 6. 0-0 d5 7. exd6 Nxd6 8. Bb3 Bg4 9. Re1+ Be7 10. Bg5 0-0 11. Bxe7 Nxe7 12. Qxd4 Bxf3 13. gxf3 Nef5 14. Qf4 Qh4 15. Qg4 h5 16. Qg2 Qf4 17. Bd5 c6 18. Be4 Nxe4 19. Rxe4 Qc1+ 20. Qf1 Qxb2 21. Nd2 Rad8 22. Nc4 Qxc2 23. Qh3 Rd1+ 0-1

[Event "Eindhoven WLC op 12th"]
[Site "Eindhoven"]
[Date "2022.05.15"]
[Round "5"]
[White "Simons, Rudy"]
[Black "Weijers, Ralf"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2046"]
[BlackElo "1857"]
[PlyCount "68"]
[EventDate "2022.05.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bc4 h6 6. 0-0 c6 7. a4 Qc7 8. Re1 Be7 9. h3 Nf8 10. Be3 Be6 11. Qe2 g5 12. dxe5 dxe5 13. Bxe6 Nxe6 14. Qc4 Rg8 15. a5 h5 16. h4 Nh7 17. hxg5 Nhxg5 18. Nxg5 Bxg5 19. a6 b6 20. Rad1 Rd8 21. Rxd8+ Kxd8 22. Bxg5+ Rxg5 23. Ne2 h4 24. Rd1+ Kc8 25. b4 Rg6 26. b5 Ng5 27. Rd3 h3 28. g3 Rd6 29. Kh2 Rf6 30. f4 exf4 31. e5 fxg3+ 32. Rxg3 Qxe5 33. Qg4+ Ne6 34. Kxh3 Rh6+ 0-1

[Event "Eindhoven WLC op 12th"]
[Site "Eindhoven"]
[Date "2022.05.15"]
[Round "6"]
[White "Weijers, Ralf"]
[Black "Faber, Hugo"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1857"]
[BlackElo "2076"]
[PlyCount "66"]
[EventDate "2022.05.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 c5 3. b4 cxb4 4. d4 d6 5. Bd3 Nd7 6. a3 bxa3 7. Bxa3 Ngf6 8. e5 dxe5 9. Bxf8 Kxf8 10. Nxe5 Nxe5 11. dxe5 Nd5 12. 0-0 g6 13. Qf3 Qg5 14. Be4 Kg7 15. Bxd5 exd5 16. Qxd5 Rd8 17. Qe4 a6 18. f4 Qe7 19. Qe3 Bf5 20. Na3 Rac8 21. Rf2 b5 22. Qf3 h5 23. h3 h4 24. Qb3 Qc5 25. Raf1 b4 26. Nb1 Bxc2 27. Qb2 Qd4 28. Qa2 Rc6 29. Nd2 Qc3 30. Nf3 b3 31. Qa3 b2 32. Qe7 Rd1 33. Ng5 Rxf1+ 0-1

[Event "Eindhoven WLC op 12th"]
[Site "Eindhoven"]
[Date "2022.05.14"]
[Round "3"]
[White "Van Helvoort, Rob AM"]
[Black "Weijers, Ralf"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2133"]
[BlackElo "1857"]
[PlyCount "58"]
[EventDate "2022.05.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 Nbd7 4. Ne2 e5 5. c3 c6 6. 0-0 h6 7. f4 Be7 8. Nd2 exf4 9. Nxf4 g5 10. Ne2 Qc7 11. Ng3 Nf8 12. Nc4 Bg4 13. Be2 Be6 14. Ne3 0-0-0 15. d5 Bd7 16. c4 Ng6 17. Ng4 Nxg4 18. Bxg4 Bxg4 19. Qxg4+ Kb8 20. Be3 Ne5 21. Qe2 h5 22. Nf5 Bf6 23. Bd4 Ng4 24. Bxf6 Nxf6 25. dxc6 bxc6 26. Qd3 Qb6+ 27. Qd4 Ng4 28. Qxb6+ axb6 29. Nd4 Ne5 1/2-1/2

[Event "Eindhoven WLC op 12th"]
[Site "Eindhoven"]
[Date "2022.05.14"]
[Round "2"]
[White "Weijers, Ralf"]
[Black "Cebula, Jerzy"]
[Result "1/2-1/2"]
[ECO "C56"]
[WhiteElo "1857"]
[BlackElo "1994"]
[PlyCount "45"]
[EventDate "2022.05.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 Ng4 6. Bxf7+ Kxf7 7. Ng5+ Kg8 8. Qxg4 h6 9. Nf3 d6 10. Qg3 dxe5 11. Nh4 Qf6 12. 0-0 Bd6 13. f4 e4 14. Nd2 Qe6 15. Ng6 Rh7 16. Re1 e3 17. Nf3 Qg4 18. c3 Kf7 19. Nge5+ Bxe5 20. fxe5 Qxg3 21. hxg3 Bg4 22. Nxd4 Nxe5 23. Bxe3 1/2-1/2

[Event "Eindhoven WLC op 12th"]
[Site "Eindhoven"]
[Date "2022.05.14"]
[Round "4"]
[White "Weijers, Ralf"]
[Black "Slagboom, Leandro"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1857"]
[BlackElo "1997"]
[PlyCount "44"]
[EventDate "2022.05.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c5 2. a3 Nc6 3. b4 Nf6 4. f3 e5 5. b5 Nd4 6. c3 Ne6 7. Bc4 d5 8. exd5 Nxd5 9. Ne2 Qh4+ 10. g3 Qxc4 11. d3 Qxb5 12. c4 Qa5+ 13. Bd2 Qd8 14. cxd5 Qxd5 15. Nc1 Bd6 16. Be3 0-0 17. Nc3 Qc6 18. Ne4 f5 19. Nxd6 Qxd6 20. 0-0 b6 21. Ra2 Bb7 22. Raf2 Rad8 0-1

[Event "Eindhoven WLC op 12th"]
[Site "Eindhoven"]
[Date "2022.05.13"]
[Round "1"]
[White "Roebers, Jan"]
[Black "Weijers, Ralf"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2126"]
[BlackElo "1857"]
[PlyCount "56"]
[EventDate "2022.05.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "NED"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 Nf6 3. f4 Nbd7 4. Nf3 e5 5. d4 exd4 6. Qxd4 c6 7. Be3 d5 8. e5 Bc5 9. Qd2 Ng4 10. Bxc5 Nxc5 11. h3 Nh6 12. g4 f5 13. exf6 Qxf6 14. 0-0-0 Nf7 15. Re1+ Kd8 16. Bg2 Qd6 17. f5 h6 18. Qd4 Rg8 19. Re2 Bd7 20. Rhe1 h5 21. Re7 hxg4 22. hxg4 Nh6 23. Rxg7 Kc7 24. Rxg8 Rxg8 25. Ne5 Nxf5 26. gxf5 Rxg2 27. Nxd7 Nxd7 28. Qh4 Qh2 1/2-1/2

[Event "Prague op-A 19th"]
[Site "Prague"]
[Date "2020.01.17"]
[Round "9"]
[White "Ortoft, Kai"]
[Black "Weijers, Ralf"]
[Result "1/2-1/2"]
[ECO "A48"]
[WhiteElo "1963"]
[BlackElo "1858"]
[PlyCount "48"]
[EventDate "2020.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. h3 0-0 6. Be2 c5 7. c3 b6 8. Nbd2 Bb7 9. 0-0 d5 10. a4 Nbd7 11. Bh2 a6 12. b4 c4 13. b5 Ne8 14. Qc2 Nc7 15. bxa6 Bxa6 16. Rfb1 f5 17. Ne5 Bxe5 18. dxe5 Ne6 19. Nf3 Nec5 20. Nd4 e6 21. f4 Re8 22. Rb2 Qc7 23. Bf3 Rf8 24. Bg3 Bb7 1/2-1/2

[Event "Prague op-A 19th"]
[Site "Prague"]
[Date "2020.01.11"]
[Round "2"]
[White "Weijers, Ralf"]
[Black "Laverton, Christian"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1858"]
[BlackElo "2109"]
[PlyCount "48"]
[EventDate "2020.01.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CZE"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. a3 g6 3. h4 h5 4. Bc4 Nc6 5. b4 Bg7 6. c3 Nf6 7. Qc2 b6 8. b5 Ne5 9. Ba2 Bb7 10. f3 c4 11. Nh3 Nd3+ 12. Ke2 Qc7 13. a4 Qg3 14. Rg1 d5 15. Na3 dxe4 16. f4 Qg4+ 17. Kf1 Qxh4 18. Bb2 Nd5 19. Bxc4 N5xf4 20. Bxd3 exd3 21. Qd1 Nxh3 22. gxh3 Qf4+ 23. Ke1 Bf6 24. Qb3 Qf3 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "4"]
[White "Ammerlaan, Stefan"]
[Black "Weijers, Ralf"]
[Result "1-0"]
[ECO "B84"]
[PlyCount "49"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Be2 e6 7. 0-0 a6 8. Be3 Qc7 9. f4 b5 10. Nxc6 Qxc6 11. Bf3 Bb7 12. e5 Nd5 13. Nxd5 exd5 14. Qd2 dxe5 15. fxe5 Rd8 16. Bh5 Rd7 17. e6 Qxe6 18. Rae1 Be7 19. Bd4 Qc6 20. Bxg7 Rg8 21. Bxf7+ Kd8 22. Bxg8 Qg6 23. Rxe7 Rxe7 24. Bf6 Qxg8 25. Re1 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "9"]
[White "Anink, Marco"]
[Black "Weijers, Ralf"]
[Result "1-0"]
[ECO "E60"]
[PlyCount "49"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Bg5 d6 5. e3 0-0 6. Qc2 Re8 7. Nc3 Nbd7 8. Bd3 c5 9. d5 e5 10. Ne4 Qc7 11. Nfd2 Nh5 12. g4 Nhf6 13. f3 h6 14. Bh4 b5 15. Nxf6+ Bxf6 16. Bxf6 Nxf6 17. b3 Nh7 18. Bxg6 fxg6 19. Qxg6+ Kf8 20. Qxh6+ Qg7 21. Qxd6+ Kg8 22. Ne4 Bd7 23. g5 Rf8 24. Ke2 Be8 25. Qh6 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "7"]
[White "Keizer, Theodoor"]
[Black "Weijers, Ralf"]
[Result "1-0"]
[ECO "A49"]
[PlyCount "61"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. 0-0 0-0 6. Re1 Nbd7 7. e4 e5 8. c3 Nh5 9. Nh4 Nb6 10. Bf3 Nf6 11. Na3 Ne8 12. Bg2 f5 13. dxe5 Bxe5 14. exf5 gxf5 15. Rxe5 Ng7 16. Re1 Ne6 17. Nc2 f4 18. Nd4 Ng7 19. Nhf3 fxg3 20. hxg3 Qf6 21. Bg5 Qg6 22. Qc2 Qh5 23. Bf4 Nd7 24. Ng5 Nc5 25. b4 Nd7 26. Bf3 Qg6 27. Be4 Qh5 28. Bf3 Qg6 29. Be4 Qh5 30. Bxh7+ Kh8 31. Bg6 1-0

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "5"]
[White "Pots, Maurice"]
[Black "Weijers, Ralf"]
[Result "0-1"]
[ECO "B56"]
[PlyCount "98"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. f3 e6 7. Bg5 Be7 8. Qd2 a6 9. 0-0-0 Qc7 10. f4 b5 11. Nxc6 Qxc6 12. e5 b4 13. exf6 bxc3 14. Qd4 gxf6 15. Bxf6 Bxf6 16. Qxf6 cxb2+ 17. Kb1 Rg8 18. Bd3 Ra7 19. Bxh7 Rc7 20. Bd3 Qxg2 21. Rhe1 Qc6 22. Rg1 Rf8 23. h4 Qc3 24. Qxc3 Rxc3 25. h5 Rh8 26. Rh1 Rh6 27. Be2 Ke7 28. Rhg1 Bb7 29. Rd3 Rc8 30. Rgd1 Be4 31. R3d2 Rc6 32. Kxb2 d5 33. Kb3 Rh8 34. c4 dxc4+ 35. Bxc4 Rxh5 36. Rd7+ Kf6 37. R7d6 Bc2+ 38. Kxc2 Rxc4+ 39. Kb3 Rxf4 40. Rxa6 Rh3+ 41. Kb2 Kf5 42. Rc1 e5 43. a4 e4 44. Rac6 e3 45. Ra1 e2 46. Rcc1 Rf2 47. Rc2 Rhh2 48. Kc3 e1Q+ 49. Rxe1 Rxc2+ 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "2"]
[White "Tates, Thomas"]
[Black "Weijers, Ralf"]
[Result "0-1"]
[ECO "B84"]
[PlyCount "108"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e6 7. Be3 a6 8. 0-0 Qc7 9. a4 b6 10. f4 Bb7 11. Bf3 Nd7 12. Re1 Nc5 13. Nxc6 Bxc6 14. b4 Nd7 15. b5 Bb7 16. bxa6 Bxa6 17. Nb5 Bxb5 18. axb5 Rc8 19. Re2 Nc5 20. Bxc5 Qxc5+ 21. Kh1 Qxb5 22. Ra7 Be7 23. h3 Qc5 24. Qa1 Qc3 25. Qa4+ Qc6 26. Qa1 Rg8 27. e5 d5 28. Qa6 Rb8 29. Qd3 g6 30. c4 Qxc4 31. Qxc4 dxc4 32. Bc6+ Kf8 33. Rd2 Bc5 34. Rdd7 Rg7 35. Rab7 Rc8 36. Rbc7 Re8 37. Rd2 Rb8 38. Rb7 Rc8 39. Rdd7 c3 40. Rdc7 Rd8 41. Be4 h6 42. h4 g5 43. hxg5 hxg5 44. fxg5 Bf2 45. g6 Bg3 46. Rxf7+ Rxf7 47. Rxf7+ Kg8 48. Rf1 Rd2 49. Ra1 c2 50. Ra8+ Kg7 51. Ra7+ Kh6 52. Rh7+ Kg5 53. Rh5+ Kxh5 54. Bf3+ Kh6 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "1"]
[White "Weijers, Ralf"]
[Black "Geirnaert, Steven"]
[Result "0-1"]
[ECO "C36"]
[PlyCount "42"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Nf6 5. Bc4 Nxd5 6. 0-0 Be6 7. Qe2 Be7 8. d4 g5 9. Ne5 c6 10. Re1 Nd7 11. Nf3 N7b6 12. Bd3 Nb4 13. Be4 g4 14. Nfd2 Qxd4+ 15. Kh1 N4d5 16. Nb3 Qf6 17. Rf1 Bd6 18. Bxd5 Nxd5 19. c4 Ne7 20. Bxf4 Bxf4 21. g3 Qe5 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "8"]
[White "Weijers, Ralf"]
[Black "Hiemstra, Sebastian"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "56"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nf3 d6 4. Bc4 e6 5. 0-0 g6 6. d3 Bg7 7. c3 Nge7 8. Bb3 0-0 9. h4 Kh8 10. h5 Qe8 11. Ng5 Nd8 12. Qf3 f6 13. Nh3 Bd7 14. Kf2 Bc6 15. Rh1 Rg8 16. Qg4 d5 17. e5 Qf7 18. d4 cxd4 19. cxd4 g5 20. Bc2 gxf4 21. Bg6 Qf8 22. Bxh7 Kxh7 23. Nxf4 Bh6 24. Ng6 Nxg6 25. Bxh6 Nxe5 26. dxe5 Rxg4 27. Bxf8 fxe5 28. Nc3 Rf4+ 0-1

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "3"]
[White "Weijers, Ralf"]
[Black "Van Zutphen, Jimmy"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "47"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. f4 d6 3. Nf3 Nc6 4. Be2 g6 5. 0-0 Bg7 6. c3 Nf6 7. d3 0-0 8. h4 Rb8 9. Nh2 b5 10. h5 b4 11. f5 bxc3 12. bxc3 c4 13. hxg6 hxg6 14. fxg6 fxg6 15. d4 Nxe4 16. Bxc4+ d5 17. Bd3 Rxf1+ 18. Nxf1 Nxd4 19. Be3 Nc6 20. Bxe4 dxe4 21. Qxd8+ Nxd8 22. Bxa7 Rb2 23. a4 Ba6 24. Nfd2 1/2-1/2

[Event "Hengelo U20 op"]
[Site "Hengelo"]
[Date "2001.??.??"]
[Round "6"]
[White "Weijers, Ralf"]
[Black "Veltman, Anne"]
[Result "0-1"]
[ECO "C34"]
[PlyCount "64"]
[EventDate "2001.08.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 d6 4. Bc4 Be6 5. Bxe6 fxe6 6. d4 g5 7. 0-0 Nd7 8. g3 e5 9. dxe5 dxe5 10. Qd5 Bc5+ 11. Kh1 c6 12. Qe6+ Qe7 13. Nxg5 Ngf6 14. Qxe7+ Kxe7 15. gxf4 Rhg8 16. Nc3 Rg7 17. h4 Nh5 18. Rf3 h6 19. Nh3 Rg4 20. f5 Rag8 21. Bxh6 Rxh4 22. Kh2 Ndf6 23. Bd2 Ng4+ 24. Kh1 Nhf6 25. Raf1 Nf2+ 26. Kh2 N6g4+ 27. Kg3 Rxh3+ 28. Kg2 Rh2+ 29. Kg3 Rh3+ 30. Kg2 Nh2+ 31. Bg5+ Rxg5+ 32. Rg3 Rgxg3# 0-1

[Event "Brabant-ch U20"]
[Site "Kaatsheuvel"]
[Date "2000.12.30"]
[Round "7"]
[White "Weijers, Ralf"]
[Black "De Moor, Jeroen"]
[Result "1/2-1/2"]
[ECO "B90"]
[PlyCount "68"]
[EventDate "2000.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 Nc6 7. f4 Bd7 8. Be2 e5 9. Nf3 Be7 10. Nd5 Nxe4 11. 0-0 Be6 12. Nxe7 Qxe7 13. Bd3 Nc5 14. Be2 h6 15. Nd2 Rd8 16. f5 Bd7 17. c3 Bc8 18. b4 Nd7 19. Ba3 Nf6 20. Nc4 d5 21. Nb6 Qc7 22. a5 Ne7 23. Qc2 e4 24. b5 Nxf5 25. Qb2 d4 26. cxd4 Nxd4 27. Rac1 Nxe2+ 28. Qxe2 Qb8 29. Rxf6 gxf6 30. Qxe4+ Qe5 31. Qxe5+ fxe5 32. Rxc8 axb5 33. Rc7 Rd1+ 34. Kf2 Rg8 1/2-1/2

[Event "Brabant-ch U20"]
[Site "Kaatsheuvel"]
[Date "2000.12.29"]
[Round "5"]
[White "Kroot, Ad"]
[Black "Weijers, Ralf"]
[Result "1-0"]
[ECO "B62"]
[PlyCount "91"]
[EventDate "2000.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Bc4 Be7 8. Bb3 a6 9. 0-0 Qc7 10. Re1 b5 11. Nxc6 Qxc6 12. Qd2 Bb7 13. f3 0-0 14. Rad1 Rfd8 15. h4 Rd7 16. Qf4 Qc8 17. Ne2 d5 18. e5 Ne8 19. Bxe7 Rxe7 20. c3 f6 21. Nd4 f5 22. Rd3 g6 23. Qg5 Rg7 24. f4 Bc6 25. Rg3 Raa7 26. Qh6 Rae7 27. Ree3 Bb7 28. h5 gxh5 29. Rxg7+ Nxg7 30. Rg3 Kh8 31. Qf6 Rc7 32. Nxe6 Qxe6 33. Qd8+ Ne8 34. Bc2 Rf7 35. Rg5 Qc6 36. Bd1 Rf8 37. Rxh5 Qc5+ 38. Kh1 Ng7 39. Qh4 Nxh5 40. Bxh5 Qc6 41. Qe7 Qc8 42. Bf7 Rxf7 43. Qxf7 d4 44. e6 Bc6 45. e7 Bxg2+ 46. Kg1 1-0

[Event "Brabant-ch U20"]
[Site "Kaatsheuvel"]
[Date "2000.12.29"]
[Round "6"]
[White "Weijers, Ralf"]
[Black "Janssen, Pascal"]
[Result "1-0"]
[ECO "C30"]
[PlyCount "95"]
[EventDate "2000.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Nxd4 6. Qxd4 Qe7 7. Bc4 Be6 8. 0-0 Bxc4 9. Qxc4 Nf6 10. Nc3 c6 11. Bd2 Nd7 12. Rae1 f6 13. Ne2 0-0-0 14. Nd4 Nb6 15. Qb3 Re8 16. a4 c5 17. a5 cxd4 18. axb6 axb6 19. Qxb6 Qc7 20. Qxd4 Qc5 21. Be3 Qxd4 22. Bxd4 Re7 23. e5 dxe5 24. fxe5 fxe5 25. Rxe5 Rxe5 26. Bxe5 Bc5+ 27. Kh1 Rf8 28. Rb1 g6 29. c3 Re8 30. Bg3 Kd7 31. b4 Bf8 32. Kg1 Kc6 33. Bf2 Rc8 34. Bd4 Rc7 35. Kf2 Bg7 36. Bxg7 Rxg7 37. Rf1 Rd7 38. Ke3 Kb5 39. Rf4 Ka4 40. Rc4 Kb3 41. Rc5 Kc2 42. c4 Kc3 43. b5 Rd3+ 44. Ke4 Rd4+ 45. Ke5 Rxc4 46. Kd5 Rxc5+ 47. Kxc5 Kb3 48. b6 1-0

[Event "Brabant-ch U20"]
[Site "Kaatsheuvel"]
[Date "2000.12.28"]
[Round "3"]
[White "Aarts, Maikel"]
[Black "Weijers, Ralf"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "59"]
[EventDate "2000.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Bc4 Nf6 6. Nf3 d6 7. h3 e6 8. 0-0 Be7 9. Bf4 a6 10. a4 0-0 11. Qe2 b6 12. Rfd1 Ne8 13. e5 d5 14. Nxd5 exd5 15. Bxd5 Qc7 16. Rac1 Bb7 17. Qe4 Rd8 18. e6 Nd6 19. exf7+ Kh8 20. Qc2 Rc8 21. Ne5 Nd4 22. Qxc7 Rxc7 23. Rxc7 Ne2+ 24. Kf1 Nxf4 25. Bxb7 Bf6 26. Nd7 Bd8 27. Rc8 Nxc8 28. Nxf8 Be7 29. Bxc8 Bxf8 30. Rd8 1-0

[Event "Brabant-ch U20"]
[Site "Kaatsheuvel"]
[Date "2000.12.28"]
[Round "4"]
[White "Weijers, Ralf"]
[Black "Biemans, Erik"]
[Result "1/2-1/2"]
[ECO "B07"]
[PlyCount "36"]
[EventDate "2000.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nd7 3. Bd3 e5 4. c3 Ngf6 5. Bg5 Be7 6. Nd2 c6 7. Ne2 h6 8. Bh4 Qc7 9. f3 Nf8 10. Bf2 Ng6 11. g3 Bd7 12. Qc2 b5 13. Nf1 a5 14. Ne3 c5 15. b3 Rc8 16. dxc5 dxc5 17. c4 b4 18. Nd5 Qa7 1/2-1/2

[Event "Brabant-ch U20"]
[Site "Kaatsheuvel"]
[Date "2000.12.27"]
[Round "1"]
[White "Brokken, Dennis"]
[Black "Weijers, Ralf"]
[Result "1-0"]
[ECO "A30"]
[PlyCount "59"]
[EventDate "2000.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. b3 Nf6 4. Bb2 e6 5. e3 g6 6. Be2 Bg7 7. 0-0 0-0 8. Nc3 d5 9. cxd5 Nxd5 10. Qc1 Nf6 11. Na4 b6 12. d4 Nd7 13. dxc5 Bxb2 14. Qxb2 Qe7 15. cxb6 Nxb6 16. Nc3 Nb4 17. Rac1 a6 18. a3 N4d5 19. Nxd5 Nxd5 20. Rc2 Rb8 21. Ne5 Rb6 22. Nc4 Rb8 23. Na5 Qg5 24. b4 h5 25. Rfc1 h4 26. Bf3 Nf6 27. Nc6 Rb7 28. Nd4 Rb8 29. Rc4 Nd5 30. e4 1-0

[Event "Brabant-ch U20"]
[Site "Kaatsheuvel"]
[Date "2000.12.27"]
[Round "2"]
[White "Weijers, Ralf"]
[Black "Weber, Ralf Josef"]
[Result "1-0"]
[ECO "B40"]
[PlyCount "105"]
[EventDate "2000.12.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. Bg5 Qa5 7. Bd2 Qb6 8. Ndb5 Bc5 9. Qf3 d6 10. e5 Nd5 11. Nxd5 exd5 12. exd6 Bxd6 13. Qxd5 Bc7 14. Qe4+ Be6 15. Bc4 0-0 16. Bd3 g6 17. Qh4 Be5 18. c3 Nc6 19. Be3 Qd8 20. Qxd8 Raxd8 21. Be4 Bd5 22. Bxd5 Rxd5 23. Nxa7 Ne7 24. a4 Ra8 25. 0-0 Ra5 26. Rfe1 Bf6 27. Nb5 Rxa4 28. Rxa4 Rxa4 29. Bc5 Kg7 30. Nc7 Ng8 31. Ne8+ Kh8 32. Nxf6 Nxf6 33. Bd4 Kg7 34. g3 Ra2 35. g4 g5 36. h4 h6 37. f4 Kg6 38. h5+ Nxh5 39. gxh5+ Kxh5 40. fxg5 hxg5 41. Re7 Rxb2 42. Rxf7 b5 43. Rf1 Kg4 44. Rf2 Rb1+ 45. Kg2 Rb3 46. Kf1 b4 47. c4 Rd3 48. Bf6 b3 49. c5 Rd1+ 50. Kg2 Rd3 51. Be5 Kh4 52. Re2 g4 53. c6 1-0

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.12"]
[Round "9"]
[White "Weijers, Ralf"]
[Black "Sparenberg, Jeroen"]
[Result "1-0"]
[ECO "C39"]
[PlyCount "36"]
[EventDate "2000.08.07"]
[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 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 h5 6. Bc4 Nh6 7. d4 d6 8. Nd3 f3 9. gxf3 Be7 10. Be3 Bxh4+ 11. Kd2 gxf3 12. Qxf3 Bg4 13. Qf1 Bg5 14. Nf4 Bxf4 15. Bxf4 Qf6 16. e5 Qe7 17. Nc3 dxe5 18. Nd5 Qd8 1-0

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.11"]
[Round "8"]
[White "Den Hartog, Tim"]
[Black "Weijers, Ralf"]
[Result "1-0"]
[ECO "A00"]
[PlyCount "27"]
[EventDate "2000.08.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nc3 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Bf4 d6 6. Ndb5 e5 7. Bg3 a6 8. Na3 b5 9. Nd5 Be6 10. e4 Nce7 11. c4 Qa5+ 12. Qd2 Qxd2+ 13. Kxd2 bxc4 14. Nc7+ 1-0

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.11"]
[Round "7"]
[White "Weijers, Ralf"]
[Black "Weide, Stephan"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "50"]
[EventDate "2000.08.07"]
[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 e6 2. d4 d5 3. e5 c5 4. Nf3 Qb6 5. c3 Nc6 6. Be2 Bd7 7. 0-0 f6 8. Na3 fxe5 9. dxe5 Nge7 10. Re1 Ng6 11. Bd3 0-0-0 12. c4 d4 13. Ng5 Ngxe5 14. Bxh7 Be7 15. Be4 Bxg5 16. Bxg5 Rde8 17. b3 Qc7 18. Bf4 g5 19. Bg3 Qd8 20. b4 cxb4 21. Nb5 Nxc4 22. Rc1 a6 23. Nxd4 N4a5 24. Nxc6 Nxc6 25. Qd6 Qb6 1-0

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.10"]
[Round "6"]
[White "Tates, Thomas"]
[Black "Weijers, Ralf"]
[Result "1/2-1/2"]
[ECO "B84"]
[PlyCount "39"]
[EventDate "2000.08.07"]
[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. Be2 e6 7. Be3 Be7 8. 0-0 a6 9. a4 Qc7 10. f4 b6 11. Nxc6 Qxc6 12. Bf3 Bb7 13. e5 Nd5 14. Nxd5 exd5 15. Bd4 0-0 16. c4 Qxc4 17. Rc1 Qb4 18. Bc3 Qc5+ 19. Bd4 Qb4 20. Bc3 1/2-1/2

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.09"]
[Round "4"]
[White "Van Doorn, Maarten"]
[Black "Weijers, Ralf"]
[Result "1/2-1/2"]
[ECO "E90"]
[PlyCount "91"]
[EventDate "2000.08.07"]
[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 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. e4 e5 6. dxe5 dxe5 7. Qxd8+ Kxd8 8. Nxe5 Ke7 9. Nf3 Re8 10. Bg5 Kf8 11. Bxf6 Bxf6 12. Bd3 Bxc3+ 13. bxc3 f5 14. e5 Nd7 15. 0-0 Nxe5 16. Nxe5 Rxe5 17. Rfe1 Re6 18. Re2 Bd7 19. Rae1 Rae8 20. f4 Ke7 21. c5 Kf6 22. Kf2 Rxe2+ 23. Rxe2 Rxe2+ 24. Kxe2 Be6 25. c4 Ke7 26. Ke3 Kd7 27. Kd4 Kc6 28. h4 b6 29. cxb6 axb6 30. Bc2 Kd6 31. Bb3 c5+ 32. Kc3 Bd7 33. a4 Bc6 34. g3 Ke6 35. Kd2 Kf6 36. Bd1 h6 37. Ke3 g5 38. Kf2 g4 39. Ke3 Ke7 40. Kd3 Kd7 41. Kc3 Kc7 42. Kb3 Be4 43. Ka3 Kb7 44. Bb3 Ka6 45. Bd1 Ka5 46. Bb3 1/2-1/2

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.09"]
[Round "5"]
[White "Weijers, Ralf"]
[Black "Aarts, Maikel"]
[Result "0-1"]
[ECO "B03"]
[PlyCount "88"]
[EventDate "2000.08.07"]
[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 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. f4 Nc6 6. Nf3 Bg4 7. exd6 cxd6 8. d5 Nb4 9. Be2 g6 10. 0-0 Bg7 11. Na3 0-0 12. Qb3 Na6 13. h3 Bf5 14. g4 Nc5 15. Qe3 Bd7 16. Nd4 Re8 17. f5 e6 18. fxg6 fxg6 19. dxe6 Bxe6 20. Nxe6 Nxe6 21. Qf3 Rf8 22. Qxb7 Bd4+ 23. Kh1 Qh4 24. Qg2 Rxf1+ 25. Bxf1 Rf8 26. Rb1 Rf2 27. Qg1 Rd2 28. Bxd2 Bxg1 29. Kxg1 Qg3+ 30. Kh1 Nd4 31. Be1 Qf4 32. Kg2 Qf3+ 33. Kg1 Ne2+ 34. Bxe2 Qxe2 35. Bf2 Nxc4 36. Nxc4 Qxc4 37. b3 Qc2 38. Rf1 Qxa2 39. Kg2 a5 40. Rd1 Qa3 41. Bg3 Qxb3 42. Rxd6 a4 43. Ra6 Qd5+ 44. Kg1 Qd1+ 0-1

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.08"]
[Round "2"]
[White "Brouwers, Geert"]
[Black "Weijers, Ralf"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "41"]
[EventDate "2000.08.07"]
[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 a6 6. f4 Qc7 7. Be2 b5 8. e5 Ng8 9. Bf3 e6 10. Be3 Bb7 11. 0-0 d6 12. exd6 Bxd6 13. Ndxb5 axb5 14. Nxb5 Qb8 15. Nxd6+ Kf8 16. Nxb7 Qxb7 17. Qd6+ Nge7 18. Bc5 Rc8 19. Rfd1 Qc7 20. Qxc7 Rxc7 21. Bxc6 1-0

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.08"]
[Round "3"]
[White "Weijers, Ralf"]
[Black "Zwaap, Jeroen"]
[Result "0-1"]
[ECO "C34"]
[PlyCount "98"]
[EventDate "2000.08.07"]
[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 exf4 3. Nf3 d6 4. Bc4 Be6 5. Bxe6 fxe6 6. d4 Nf6 7. Nc3 Be7 8. Bxf4 0-0 9. Qd2 Nh5 10. Be3 Bh4+ 11. Nxh4 Qxh4+ 12. g3 Qg4 13. Qe2 Qxe2+ 14. Kxe2 Na6 15. Nb5 Nf6 16. e5 dxe5 17. dxe5 Ng4 18. Bf4 Rf5 19. Nd4 Rh5 20. Nf3 Rf8 21. h3 Nh6 22. g4 Nxg4 23. hxg4 Rxh1 24. Rxh1 Rxf4 25. g5 Re4+ 26. Kd2 Nc5 27. Re1 Rf4 28. Ke3 Re4+ 29. Kd2 Rxe1 30. Kxe1 Kf7 31. Ke2 Nd7 32. Ke3 Kg6 33. Kf4 c5 34. c4 a5 35. b3 Nb8 36. Nd2 Nc6 37. Ne4 b6 38. Nc3 Ne7 39. Na4 Nc8 40. Nc3 h5 41. Ne2 Ne7 42. Ng1 Nf5 43. Nf3 Nd4 44. Nh4+ Kh7 45. Ke3 Nc2+ 46. Kd2 Nb4 47. a3 Nc6 48. Nf3 Kg6 49. Ke3 Kf5 0-1

[Event "NED-ch U20 op"]
[Site "Hengelo"]
[Date "2000.08.07"]
[Round "1"]
[White "Weijers, Ralf"]
[Black "Groenhuis, Vincent"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "90"]
[EventDate "2000.08.07"]
[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. f4 Nc6 3. Nf3 e6 4. Be2 Nf6 5. d3 d5 6. e5 Nd7 7. c3 Be7 8. d4 0-0 9. 0-0 Qb6 10. Kh1 f6 11. b3 cxd4 12. cxd4 Qc7 13. Be3 Nb6 14. Nc3 a6 15. a3 Bd7 16. Bd3 Rac8 17. Nd2 Nxe5 18. dxe5 Qxc3 19. Bxh7+ Kxh7 20. Bxb6 fxe5 21. Qh5+ Kg8 22. Nf3 Rxf4 23. Nxe5 Rf5 24. Rxf5 Qxa1+ 25. Bg1 Be8 26. Ng6 exf5 27. Nxe7+ Kf8 28. Qxf5+ Kxe7 29. Qxc8 Bc6 30. Qc7+ Ke6 31. Qc8+ Ke5 32. Qc7+ Ke4 33. Qe7+ Kd3 34. Qb4 Qc3 35. Qxc3+ Kxc3 36. Bc5 d4 37. Bb4+ Kc2 38. h4 d3 39. Kh2 d2 40. Bxd2 Kxd2 41. g4 g6 42. Kg3 Kc3 43. Kf4 Kxb3 44. h5 gxh5 45. gxh5 Be8 0-1

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.14"]
[Round "9"]
[White "De Jong, Bert"]
[Black "Weijers, Ralf"]
[Result "1/2-1/2"]
[ECO "A22"]
[PlyCount "37"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. d3 c6 4. Nf3 Qc7 5. g3 d5 6. cxd5 cxd5 7. Bg2 Be6 8. 0-0 Nc6 9. Bd2 Bc5 10. a3 a6 11. Rc1 Ba7 12. b4 b5 13. Qc2 Rc8 14. Ng5 0-0 15. Nxe6 fxe6 16. e4 Ne7 17. Qb2 Qd7 18. Ne2 Ng4 19. Be1 1/2-1/2

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.13"]
[Round "7"]
[White "Van Houten, Myrette"]
[Black "Weijers, Ralf"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "82"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. Qc2 Nc6 4. Nf3 e5 5. Bc4 a6 6. a4 b6 7. d3 d6 8. Be3 Be7 9. Nbd2 Be6 10. 0-0 Bxc4 11. Nxc4 0-0 12. d4 cxd4 13. cxd4 exd4 14. Nxd4 Nxd4 15. Bxd4 Rc8 16. Qe2 Nd7 17. e5 dxe5 18. Nxe5 Nxe5 19. Bxe5 a5 20. Rfd1 Qe8 21. Qg4 f6 22. Qe6+ Kh8 23. Bd4 Bc5 24. Qxe8 Rfxe8 25. Bxc5 Rxc5 26. b3 h6 27. Rab1 Re4 28. g3 Rc3 29. Rb2 Rb4 30. Rdb1 g5 31. Kg2 Kg7 32. h3 Kg6 33. f3 h5 34. g4 hxg4 35. hxg4 Rd3 36. Kf2 Rf4 37. b4 Rdxf3+ 38. Kg2 Ra3 39. bxa5 Rxg4+ 40. Kf2 bxa5 41. Re2 Raxa4 0-1

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.13"]
[Round "8"]
[White "Weijers, Ralf"]
[Black "Vivolo, Zeno"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "88"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. f4 d6 3. Nf3 Nf6 4. Nc3 e6 5. Bc4 a6 6. a4 Be7 7. 0-0 b6 8. d4 cxd4 9. Nxd4 Nbd7 10. Qe2 Qc7 11. Bd2 Bb7 12. Nf3 0-0 13. e5 Ng4 14. h3 Nh6 15. Bd3 Nc5 16. g4 Nxd3 17. Qxd3 Rfd8 18. Qe2 dxe5 19. fxe5 Rd7 20. Rad1 Rad8 21. Be3 Bb4 22. Na2 Bf8 23. Nc3 Kh8 24. Rd3 Ng8 25. Rfd1 Ne7 26. Kf1 Nd5 27. Nxd5 Bxd5 28. b3 Qb7 29. Ne1 b5 30. a5 Rc8 31. Rc1 Rdc7 32. Bb6 Rc6 33. h4 Qe7 34. Rh3 Qb4 35. Nd3 Qe7 36. Nf4 Qd7 37. Rd3 Bc5 38. c4 Bxb6 39. Nxd5 exd5 40. Rxd5 Qxd5 41. cxd5 Rxc1+ 42. Kg2 R1c2 43. Qxc2 Rxc2+ 44. Kf3 Bxa5 0-1

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.11"]
[Round "5"]
[White "Holland, Remco"]
[Black "Weijers, Ralf"]
[Result "1-0"]
[ECO "C77"]
[PlyCount "81"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Nf6 6. d3 Bc5 7. Bg5 Bb7 8. Nc3 Be7 9. Qd2 Na5 10. Nxe5 Nxb3 11. axb3 h6 12. Bh4 g5 13. Bg3 Nh5 14. Qe2 Nxg3 15. hxg3 Bf6 16. Ng4 Bg7 17. Qf3 c6 18. 0-0-0 b4 19. Na4 Qa5 20. Nf6+ Kd8 21. d4 h5 22. e5 g4 23. Qf5 Bxf6 24. Qxf6+ Kc7 25. Kb1 Qd5 26. Nc5 Rae8 27. Qf5 Re7 28. Rxh5 Rxh5 29. Qxh5 Qxg2 30. Qg5 Re8 31. Qxg4 Bc8 32. Qf4 Qd5 33. e6+ Kd8 34. exd7 Bxd7 35. Nb7+ Ke7 36. Re1+ Kf8 37. Rxe8+ Kxe8 38. Qb8+ Ke7 39. Qd8+ Ke6 40. Nc5+ Kf5 41. Qxd7+ 1-0

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.11"]
[Round "4"]
[White "Weijers, Ralf"]
[Black "Soeteman, Jeroen"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "54"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Bd3 Bg4 6. 0-0 Nc6 7. Be3 Bd6 8. Nc3 Qd7 9. Be2 Qf5 10. Nh4 Qh5 11. Bxg4 Nxg4 12. g3 g5 13. Nf3 Nxe3 14. fxe3 Ne7 15. e4 g4 16. Nh4 Ng6 17. Nxd5 Qg5 18. Nxg6 hxg6 19. e5 0-0-0 20. Nf6 Bxe5 21. Qxg4+ Qxg4 22. Nxg4 Bxd4+ 23. Kh1 f5 24. c3 Bxc3 25. bxc3 fxg4 26. Rf4 Rd2 27. Rxg4 Rdxh2+ 0-1

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.10"]
[Round "2"]
[White "De Bode, Christian"]
[Black "Weijers, Ralf"]
[Result "1/2-1/2"]
[ECO "D20"]
[PlyCount "103"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 b5 4. Nc3 a6 5. Bf4 Bb7 6. Nf3 Nf6 7. e5 Nd5 8. Bg3 e6 9. Be2 c5 10. 0-0 cxd4 11. Nxd4 Bc5 12. Bf3 Nc6 13. Nde2 Nxc3 14. Nxc3 0-0 15. Ne4 Be7 16. Qxd8 Rfxd8 17. Rfd1 Nd4 18. Nf6+ gxf6 19. Bxb7 Ra7 20. exf6 Ne2+ 21. Kf1 Nxg3+ 22. fxg3 Bxf6 23. Rxd8+ Bxd8 24. Be4 Bf6 25. Rb1 Rd7 26. Ke2 b4 27. Rc1 c3 28. bxc3 bxc3 29. Rc2 a5 30. Bd3 Rb7 31. Bc4 Rb2 32. Bb3 Rxc2+ 33. Bxc2 Be5 34. Kd3 f5 35. Kc4 Kf7 36. Kb5 Kf6 37. Kxa5 Bd4 38. Kb4 e5 39. Kc4 Bg1 40. Kxc3 Bxh2 41. g4 fxg4 42. Bxh7 g3 43. Kd3 Bg1 44. a4 Ke6 45. Kc4 Kd6 46. Kb4 Kd5 47. Kb3 e4 48. Kc2 Kd4 49. Kd1 Kd3 50. a5 Bd4 51. a6 Bc5 52. Bf5 1/2-1/2

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.10"]
[Round "3"]
[White "Weijers, Ralf"]
[Black "Van Dijk, Martin"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "52"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 e6 4. Bf4 Nd7 5. c3 Be7 6. Bd3 Ngf6 7. Ne2 0-0 8. 0-0 Qb6 9. b3 e5 10. Be3 Bd6 11. b4 a5 12. Qa4 dxe4 13. fxe4 Ng4 14. Rf3 exd4 15. Bxd4 Bxh2+ 16. Kh1 c5 17. bxc5 Nxc5 18. Qc4 Be6 19. Nf4 Qc6 20. Bxg7 Kxg7 21. Nh5+ Kg8 22. e5 Bxe5 23. Bf5 Bxf5 24. Rxf5 Ne4 25. Qe2 Qg6 26. Qxe4 Nf2+ 0-1

[Event "NED U16 op"]
[Site "Hengelo"]
[Date "1999.08.09"]
[Round "1"]
[White "Weijers, Ralf"]
[Black "Koekoek, Arjen"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "74"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. f4 e6 3. Nf3 Nc6 4. c3 d5 5. e5 d4 6. Bb5 Qd5 7. 0-0 a6 8. Bxc6+ Qxc6 9. cxd4 cxd4 10. d3 Bd7 11. Nbd2 Nh6 12. Kh1 Nf5 13. Nb3 Qb6 14. g4 Ne3 15. Bxe3 dxe3 16. d4 e2 17. Qxe2 Bb5 18. Qd2 Bxf1 19. Rxf1 Bb4 20. Qd1 0-0 21. h4 f5 22. exf6 Rxf6 23. Ne5 Raf8 24. Qc1 Rd8 25. Qc4 Qb5 26. Qc1 Qd5+ 27. Kg1 a5 28. g5 Rff8 29. g6 hxg6 30. Nxg6 Rf6 31. Qc2 Qh5 32. f5 Rxf5 33. Ne5 Rxf1+ 34. Kxf1 Rf8+ 35. Kg1 Qxh4 36. Ng6 Qg3+ 37. Qg2 Rf1+ 0-1

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "De Hoop, Thomas"]
[Black "Weijers, Ralf"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "81"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. c4 c6 4. Nc3 e6 5. Bf4 Nf6 6. e3 Bb4 7. Qb3 Bxc3+ 8. bxc3 b6 9. Ne5 Nbd7 10. Nxd7 Nxd7 11. Be2 0-0 12. 0-0 f6 13. cxd5 exd5 14. c4 Be6 15. cxd5 cxd5 16. e4 f5 17. exd5 Bf7 18. Bc4 Rc8 19. Rac1 g5 20. Qg3 h6 21. h4 g4 22. Bxh6 Re8 23. Bg5 Qc7 24. d6 Qb7 25. Bxf7+ Kxf7 26. Qb3+ Kg7 27. Rce1 Nf6 28. Bxf6+ Kxf6 29. d5 Qd7 30. Qb2+ Kg6 31. Qd2 Kf7 32. Qh6 Kg8 33. Re6 Rxe6 34. Qxe6+ Qxe6 35. dxe6 Kf8 36. d7 Rd8 37. Re1 Ke7 38. Kh2 f4 39. Re4 Rf8 40. Rd4 Kd8 41. Rc4 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Ibrahim, Ashraf"]
[Black "Weijers, Ralf"]
[Result "1/2-1/2"]
[ECO "D00"]
[PlyCount "36"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 Bf5 5. Qe2 Qxd4 6. Be3 Qd7 7. Rd1 Qc8 8. Bf4 e6 9. fxe4 Bg6 10. Nb5 Na6 11. e5 Nd5 12. Bg5 Be7 13. Bxe7 Nxe7 14. Nf3 0-0 15. g3 c6 16. Nd6 Qc7 17. Bg2 Rfd8 18. c3 Bh5 1/2-1/2

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Muris, Saskia"]
[Black "Weijers, Ralf"]
[Result "1-0"]
[ECO "B86"]
[PlyCount "37"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Bc4 Be7 8. 0-0 a6 9. a4 Qc7 10. Be2 b6 11. Nxc6 Qxc6 12. Bf3 Qc7 13. e5 Nd5 14. Nxd5 exd5 15. Bxe7 Qxe7 16. Qxd5 Ra7 17. exd6 Qd7 18. Rfe1+ Kf8 19. Re7 1-0

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Van den Burg, J."]
[Black "Weijers, Ralf"]
[Result "0-1"]
[ECO "B88"]
[PlyCount "80"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. 0-0 Be7 8. Be3 a6 9. f4 Qc7 10. Bb3 b5 11. a3 Bb7 12. Qd3 Na5 13. Ba2 Nc4 14. Rf3 e5 15. fxe5 Nxe5 16. Qe2 Nxf3+ 17. Qxf3 0-0 18. Nf5 Kh8 19. Qg3 Nh5 20. Qg4 g6 21. Nh6 Nf6 22. Qf3 Kg7 23. Rf1 Rac8 24. g4 d5 25. exd5 Rcd8 26. g5 Rd6 27. gxf6+ Rxf6 28. Qh3 Rxf1+ 29. Kxf1 Bc8 30. Qg2 Qe5 31. Qf2 Qc7 32. Ke1 Qd8 33. Kd1 Bg5 34. Bxg5 Qxg5 35. Nxf7 Rxf7 36. Qd4+ Kh6 37. Ne4 Rf1+ 38. Ke2 Qf4 39. Qe3 Bg4+ 40. Kd3 Rf3 0-1

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Weijers, Ralf"]
[Black "De Glopper, Jaap BH"]
[Result "1/2-1/2"]
[ECO "B21"]
[PlyCount "38"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. f4 e6 3. Nf3 b6 4. Bc4 Bb7 5. d3 g6 6. 0-0 Bg7 7. c3 Ne7 8. Be3 0-0 9. Nbd2 d5 10. Bb3 Nd7 11. Bc2 Nf6 12. h3 Qc7 13. e5 Nd7 14. d4 Nf5 15. Bf2 Rac8 16. Re1 Nb8 17. g4 Ne7 18. h4 f5 19. g5 h5 1/2-1/2

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Weijers, Ralf"]
[Black "Drewes, Benno"]
[Result "1/2-1/2"]
[ECO "C34"]
[PlyCount "50"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 d6 4. d4 Bg4 5. Bc4 Be7 6. 0-0 g5 7. Qd3 h5 8. Nxg5 Bxg5 9. Bxf4 Bxf4 10. Rxf4 Rh7 11. e5 Rg7 12. Qe4 c6 13. d5 dxe5 14. Qxe5+ Kf8 15. Nc3 Qe7 16. Qd4 c5 17. Qd2 Bh3 18. g3 h4 19. Re1 Qd8 20. Bb5 Nc6 21. Qe3 Nd4 22. Ba4 Ne7 23. Re4 Ndf5 24. Qxc5 Qb6 25. Qxb6 axb6 1/2-1/2

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Weijers, Ralf"]
[Black "Paulis, Winifred"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "48"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. f4 d6 3. Nf3 Nc6 4. Bc4 Bd7 5. 0-0 g6 6. d3 Bg7 7. c3 e6 8. Be3 Nge7 9. Nbd2 0-0 10. Qc2 Rc8 11. Nb3 a6 12. a4 d5 13. Bxa6 bxa6 14. Nxc5 Nb8 15. e5 Nf5 16. Bf2 Bc6 17. c4 dxc4 18. dxc4 Bxf3 19. Nxa6 Nxa6 20. gxf3 Qc7 21. Rfc1 Rfd8 22. Qc3 Bh6 23. b4 Bxf4 24. Re1 Bd2 0-1

[Event "Hengelo U16 op"]
[Site "Hengelo"]
[Date "1998.??.??"]
[Round "?"]
[White "Wezenaar, Femke"]
[Black "Weijers, Ralf"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "88"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 d6 4. Nf3 e6 5. Be2 Nf6 6. 0-0 Be7 7. e5 dxe5 8. fxe5 Ng4 9. Bb5 Bd7 10. Bxc6 Bxc6 11. Qe2 Qc7 12. d3 Bxf3 13. Rxf3 Qxe5 14. Qxe5 Nxe5 15. Rf4 0-0 16. Ne4 f5 17. Ng3 g5 18. Rf2 c4 19. d4 Nc6 20. c3 Rad8 21. h3 f4 22. Ne4 e5 23. dxe5 Nxe5 24. Bd2 Nd3 25. Re2 b6 26. b3 b5 27. b4 h5 28. Rd1 a6 29. Nf2 Bf6 30. Nxd3 Rxd3 31. Rc1 Rfd8 32. Rc2 Kf7 33. Kf1 f3 34. gxf3 Rxf3+ 35. Rf2 Rxf2+ 36. Kxf2 Kg6 37. Be1 Kf5 38. Re2 Rd3 39. Kg2 Bxc3 40. Bxc3 Rxc3 41. Rf2+ Ke4 42. Rd2 Rd3 43. Re2+ Kd4 44. Rc2 c3 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "1"]
[White "De Vlieger, Eileen"]
[Black "Weijers, Ralf"]
[Result "0-1"]
[ECO "B88"]
[PlyCount "78"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Bb3 Be7 8. Be3 a6 9. a3 Qc7 10. f3 b5 11. Qd2 Bb7 12. 0-0 0-0 13. Bxe6 Nxd4 14. Bxf7+ Rxf7 15. Bxd4 Rd8 16. Qe3 Rd7 17. Rfd1 d5 18. e5 Rf8 19. exf6 Bxf6 20. Qe6+ Rff7 21. Bxf6 gxf6 22. Kh1 Rde7 23. Qg4+ Rg7 24. Qf5 Qe5 25. Qd3 Qg5 26. Rd2 Rd7 27. Re1 Kf8 28. Re6 Kf7 29. Rde2 d4 30. Nd1 Bd5 31. Rxa6 Bc4 32. Qe4 Bxe2 33. Qe6+ Kg6 34. Qxe2 Kh6 35. g3 Rge7 36. Qf1 Kg7 37. Nf2 Qe3 38. Ne4 f5 39. Qh3 b4 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "5"]
[White "Koster, Ramon H"]
[Black "Weijers, Ralf"]
[Result "1-0"]
[ECO "A25"]
[PlyCount "83"]
[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. c4 e5 2. g3 Nc6 3. Bg2 Nf6 4. Nc3 Bc5 5. h3 d6 6. d3 Be6 7. e4 Nd4 8. Nge2 0-0 9. 0-0 Qd7 10. Kh2 Rfe8 11. f4 exf4 12. Nxf4 Re7 13. Na4 Bb4 14. a3 Ba5 15. b4 Bb6 16. Nxb6 axb6 17. Bb2 Nc6 18. Bxf6 gxf6 19. Nh5 Qc8 20. Nxf6+ Kg7 21. Qh5 Qh8 22. Qg5+ Kf8 23. Qh6+ Qg7 24. Nxh7+ Kg8 25. Nf6+ Kf8 26. Qxg7+ Kxg7 27. Nh5+ Kg6 28. Nf4+ Kg7 29. h4 Nd4 30. Ra2 Nc6 31. Rfa1 Bd7 32. Nd5 Re5 33. Nxc7 Rc8 34. Nb5 Re6 35. Bh3 Re7 36. Nxd6 Rb8 37. Rd1 Bxh3 38. Kxh3 Rd7 39. Nf5+ Kf8 40. Ne3 Ra8 41. Nd5 Ra6 42. b5 1-0

[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 "3"]
[White "Snuverink, Jor"]
[Black "Weijers, Ralf"]
[Result "0-1"]
[ECO "D52"]
[PlyCount "144"]
[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 c6 3. Nc3 e6 4. Nf3 Nf6 5. Bg5 Bd6 6. e3 0-0 7. Bd3 Nbd7 8. e4 dxe4 9. Nxe4 Qa5+ 10. Qd2 Qxd2+ 11. Nfxd2 Nxe4 12. Nxe4 Bb4+ 13. Nd2 f6 14. Be3 e5 15. dxe5 Nxe5 16. Be2 Be6 17. b3 Ng4 18. Bxg4 Bxg4 19. 0-0 Rad8 20. Ne4 Be2 21. Rfc1 b6 22. a3 Be7 23. c5 b5 24. b4 a6 25. Ng3 Bc4 26. Nf5 Rfe8 27. Nd4 Bd5 28. Rd1 g6 29. Rd2 f5 30. Rad1 Bf6 31. Rb1 Rd7 32. Nf3 Red8 33. Rbd1 Bc3 34. Rd3 Bf6 35. Bd4 Bxf3 36. gxf3 Rxd4 37. Rxd4 Rxd4 38. Re1 Kf7 39. Re2 Bh4 40. Kg2 g5 41. Re5 f4 42. Rf5+ Ke6 43. Rf8 Rd2 44. Kh3 Rxf2 45. Ra8 Rxf3+ 46. Kg2 Rxa3 47. Rh8 f3+ 48. Kh3 f2+ 49. Kg2 Ra1 50. Rf8 f1Q+ 51. Rxf1 Rxf1 52. Kxf1 Kd5 53. Ke2 Kc4 54. Kd2 Kxb4 55. Kc2 Kxc5 56. Kb3 a5 57. Kb2 Kb4 58. Kb1 Kb3 59. h3 a4 60. Ka1 b4 61. Kb1 a3 62. Kc1 c5 63. Kb1 a2+ 64. Kc1 a1Q+ 65. Kd2 Qc3+ 66. Ke2 Kc2 67. Kf1 Qe1+ 68. Kg2 Qf2+ 69. Kh1 Qe2 70. Kg1 b3 71. Kh1 b2 72. Kg1 b1R# 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "6"]
[White "Weijers, Ralf"]
[Black "Hommes, Wouter"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "88"]
[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. f4 e6 3. Nf3 Nc6 4. d3 g6 5. Be3 Bg7 6. c3 b6 7. Nbd2 Nge7 8. g3 0-0 9. Bg2 f5 10. e5 Bb7 11. 0-0 Rb8 12. Ng5 Na5 13. Ngf3 Qc7 14. Nb3 Nac6 15. Nbd2 Ba6 16. Ne1 d6 17. Qa4 Bc8 18. d4 Bd7 19. Qb3 d5 20. Nef3 c4 21. Qc2 b5 22. b4 cxb3 23. axb3 Rfc8 24. Nb1 Rb7 25. Rc1 b4 26. c4 dxc4 27. bxc4 Na5 28. Nfd2 Rbb8 29. Bf3 Nec6 30. d5 b3 31. d6 bxc2 32. dxc7 cxb1Q 33. Nxb1 Rxc7 34. Bxc6 Nxc6 35. Nc3 Nb4 36. Rxa7 Rxa7 37. Bxa7 Rc8 38. c5 Bf8 39. Ne2 Nd3 40. Rd1 Bxc5+ 41. Bxc5 Nxc5 42. Nc1 Ba4 43. Rd2 Ne4 44. Nd3 Nxd2 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "8"]
[White "Weijers, Ralf"]
[Black "Ngo, An"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "93"]
[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. f4 Nc6 3. Nf3 d6 4. d3 e6 5. g3 g6 6. Be3 Bg7 7. c3 b5 8. Bg2 Nge7 9. 0-0 0-0 10. Nbd2 Bd7 11. d4 cxd4 12. cxd4 Qa5 13. Nb3 Qa6 14. e5 Nd5 15. Bf2 dxe5 16. dxe5 Rfd8 17. Qe2 Be8 18. a4 Qb7 19. Qxb5 Qxb5 20. axb5 Nce7 21. Nfd4 Nf5 22. Nxf5 exf5 23. Rxa7 Rxa7 24. Bxa7 Bxb5 25. Rd1 Ba4 26. Rxd5 Ra8 27. Ra5 Rxa7 28. Rxa7 Bxb3 29. Rb7 Be6 30. b4 Bf8 31. b5 Kg7 32. b6 Bc5+ 33. Kh1 Bxb6 34. Rxb6 Kh6 35. Rxe6 fxe6 36. Bf1 Kg7 37. Bc4 Kf7 38. Kg2 h6 39. Kf3 g5 40. Ke3 Ke7 41. Kd4 Kd7 42. Kc5 g4 43. Bb3 h5 44. Bc4 Ke7 45. Kc6 Kf7 46. Kd7 Kg6 47. Bxe6 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "4"]
[White "Weijers, Ralf"]
[Black "Tiele, Edwin"]
[Result "1-0"]
[ECO "C35"]
[PlyCount "47"]
[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. f4 exf4 3. Nf3 Be7 4. Bc4 Bh4+ 5. Nxh4 Qxh4+ 6. Kf1 d6 7. h3 Bg4 8. Qxg4 Qxg4 9. hxg4 Nf6 10. d3 Nxg4 11. Bxf4 c6 12. Rh4 h5 13. Ke2 Ke7 14. Nd2 f6 15. Nf3 g5 16. Nxg5 fxg5 17. Bxg5+ Kd7 18. Rah1 a5 19. Rxg4 Na6 20. Rgh4 Rhf8 21. Rxh5 b5 22. Rh7+ Kc8 23. Be6+ Kb8 24. Be7 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "2"]
[White "Weijers, Ralf"]
[Black "Van Beek, Guido"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "70"]
[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 d6 2. d4 Nf6 3. f3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bc4 Ke8 7. Be3 Bd6 8. Ne2 Nc6 9. Nbc3 Ke7 10. 0-0 Rd8 11. Bg5 Be6 12. Bd5 Nb4 13. Bxe6 fxe6 14. Rac1 h6 15. Be3 g5 16. a3 Nc6 17. Ng3 Na5 18. Rcd1 Nc4 19. Bc1 Rd7 20. Kh1 Rad8 21. Nb5 Bc5 22. Rxd7+ Rxd7 23. b3 Ne3 24. Bxe3 Bxe3 25. c3 a6 26. Nxc7 Rxc7 27. Ne2 Rd7 28. c4 Rd2 29. Nc3 Rd3 30. Nd5+ exd5 31. cxd5 Rxb3 32. a4 Ra3 33. Re1 Bd4 34. h3 Rxa4 35. Rc1 Ra1 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1997.??.??"]
[Round "9"]
[White "Wulffers, Silvester"]
[Black "Weijers, Ralf"]
[Result "1-0"]
[ECO "B50"]
[PlyCount "119"]
[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. Nc3 d6 3. Nf3 Nc6 4. Bc4 Nf6 5. Ng5 e6 6. d3 Be7 7. 0-0 a6 8. Be3 b5 9. Bb3 Bb7 10. Qd2 Ng4 11. Nf3 Nxe3 12. Qxe3 0-0 13. Rad1 Na5 14. Rfe1 Nxb3 15. axb3 Bf6 16. e5 dxe5 17. Nxe5 Rc8 18. Ng4 b4 19. Nxf6+ Qxf6 20. Na4 Qg6 21. f3 Qf5 22. Qe5 Qxe5 23. Rxe5 Bd5 24. Nb6 Rcd8 25. d4 Bb7 26. Rxc5 Rd6 27. Nc4 Rd7 28. c3 h6 29. Ne5 Rd6 30. cxb4 Rfd8 31. Rc7 Bd5 32. Nxf7 Bxb3 33. Rd3 Rxd4 34. Rxb3 Rd1+ 35. Kf2 R8d2+ 36. Kg3 Rg1 37. Ne5 Rgxg2+ 38. Kf4 g5+ 39. Ke4 Rxh2 40. Ra7 Rh4+ 41. Ke3 Rhh2 42. Ra8+ Kg7 43. Ra7+ Kf6 44. Ng4+ Kf5 45. Nxh2 Rxh2 46. Rxa6 Rh3 47. Ra5+ e5 48. Kf2 Kf4 49. b5 g4 50. Ra4+ e4 51. Rxe4+ Kg5 52. f4+ Kh4 53. Rxh3+ Kxh3 54. f5 h5 55. f6 g3+ 56. Kg1 h4 57. f7 g2 58. f8Q Kg3 59. Qf4+ Kh3 60. Qxh4# 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "6"]
[White "De Glopper, Jaap BH"]
[Black "Weijers, Ralf"]
[Result "1-0"]
[ECO "B62"]
[PlyCount "63"]
[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. Nc3 d6 3. Nf3 Nc6 4. Bc4 Nf6 5. d4 cxd4 6. Nxd4 e6 7. Bg5 Be7 8. Bb5 Bd7 9. 0-0 a6 10. Bc4 Rb8 11. Kh1 Nxd4 12. Qxd4 b5 13. Bb3 e5 14. Qd3 0-0 15. Qg3 Nh5 16. Qh4 Bxg5 17. Qxh5 g6 18. Qf3 Bh6 19. Nd5 Bg7 20. Rad1 a5 21. a3 h5 22. Ne3 Qe7 23. Rd2 Kh8 24. Rfd1 Bh6 25. Rxd6 Be8 26. R6d5 Bc6 27. Rd6 Rbc8 28. Rf6 Rc7 29. Bd5 Be8 30. Ra6 Bxe3 31. Qxe3 a4 32. Qh6+ 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "5"]
[White "Koelman, R."]
[Black "Weijers, Ralf"]
[Result "0-1"]
[ECO "B55"]
[PlyCount "82"]
[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. Qe2 Nc6 6. Nxc6 bxc6 7. Bf4 Qa5+ 8. Nc3 Qb4 9. Rb1 Bg4 10. f3 Bd7 11. a3 Qd4 12. Rd1 Qb6 13. b3 Qa5 14. a4 Qxc3+ 15. Qd2 Qxd2+ 16. Rxd2 h6 17. Bc4 e5 18. Bg3 Be7 19. 0-0 0-0 20. Bh4 Rfd8 21. Bxf6 Bxf6 22. Rxd6 Be8 23. Rfd1 Rxd6 24. Rxd6 Rd8 25. Rxd8 Bxd8 26. Bd3 f6 27. c3 c5 28. Bc2 Ba5 29. c4 Kf7 30. Kf2 Kg6 31. Kg3 Kg5 32. h4+ Kh5 33. Kh3 Bd7+ 34. g4+ Kg6 35. h5+ Kg5 36. Kg3 Be1+ 37. Kg2 Kf4 38. Bd1 Ke3 39. Kf1 Bh4 40. Kg2 Kd2 41. Kh3 Be1 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "3"]
[White "Kuijvenhoven, Vincent"]
[Black "Weijers, Ralf"]
[Result "1-0"]
[ECO "B83"]
[PlyCount "99"]
[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 Nc6 6. Be3 e6 7. Be2 Be7 8. 0-0 Qc7 9. Qd2 Bd7 10. Rad1 0-0 11. Ndb5 Qb8 12. Nxd6 Bxd6 13. Qxd6 Qxd6 14. Rxd6 Nb4 15. Rd2 Bc6 16. f3 a6 17. a3 Nxc2 18. Rxc2 Rfd8 19. Rd2 Rdc8 20. Rfd1 b5 21. Na2 Bxe4 22. fxe4 Nxe4 23. Rd4 f5 24. Rc1 Re8 25. Bf3 e5 26. Rd7 Nf6 27. Bxa8 Nxd7 28. Bd5+ Kf8 29. Bc6 Rd8 30. Rd1 Ke7 31. Rxd7+ Rxd7 32. Bxd7 Kxd7 33. Nb4 a5 34. Nd3 Ke6 35. Bd2 a4 36. Bc3 e4 37. Ne1 g6 38. Kf2 g5 39. Ke3 Kd5 40. g3 Kc4 41. Nc2 Kd5 42. Nd4 Ke5 43. Nxb5+ Ke6 44. Nd4+ Kf6 45. h4 h6 46. hxg5+ hxg5 47. Nb5+ Kg6 48. Be5 Kh5 49. Nc3 Kg4 50. Nxa4 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "8"]
[White "Van Aken, Michael"]
[Black "Weijers, Ralf"]
[Result "1-0"]
[ECO "B51"]
[PlyCount "83"]
[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. Nc3 d6 3. Nf3 Nc6 4. Bb5 Bd7 5. d3 e6 6. 0-0 Nf6 7. Re1 a6 8. Bc4 b5 9. Bb3 Qc7 10. Bf4 e5 11. Bg3 Be7 12. Nd5 Nxd5 13. Bxd5 0-0 14. c3 Qc8 15. d4 exd4 16. cxd4 Be6 17. Bxc6 Qxc6 18. d5 Qd7 19. dxe6 Qxe6 20. h3 Rad8 21. Qc2 Rfe8 22. e5 Qd7 23. Rad1 d5 24. b3 c4 25. bxc4 bxc4 26. Nd2 Qc6 27. Qc3 Qb5 28. Nb1 Bb4 29. Qb2 Bxe1 30. Qxb5 Bxf2+ 31. Bxf2 axb5 32. Nc3 b4 33. Nxd5 Rxe5 34. Nf6+ Kf8 35. Rxd8+ Ke7 36. Re8+ Kxf6 37. Bd4 c3 38. Rxe5 c2 39. Re2+ Kf5 40. Rxc2 Ke4 41. Bxg7 Kd3 42. Rf2 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "9"]
[White "Weijers, Ralf"]
[Black "Allamehzadeh, A."]
[Result "0-1"]
[ECO "B21"]
[PlyCount "64"]
[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. f4 Nc6 3. d3 d6 4. Nf3 e6 5. c3 Be7 6. g3 b6 7. Be3 Bb7 8. Nbd2 Nf6 9. Bg2 Qc7 10. 0-0 0-0 11. Qc2 Rad8 12. h3 Ba6 13. Rfe1 Kh8 14. Bf2 d5 15. e5 Ng8 16. d4 cxd4 17. cxd4 Rc8 18. Rac1 Qb7 19. Qa4 b5 20. Qd1 Nb4 21. Rxc8 Rxc8 22. a3 Nd3 23. Qb1 Nxe1 24. Qxe1 Qc6 25. Nb3 Qc2 26. Qe3 Qxb2 27. Nc5 Bxc5 28. dxc5 Ne7 29. Nd4 Rxc5 30. Kh2 Rc3 31. Qe1 Rxa3 32. Qd1 Qxf2 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "7"]
[White "Weijers, Ralf"]
[Black "Betlem, H."]
[Result "1/2-1/2"]
[ECO "C54"]
[PlyCount "84"]
[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 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 0-0 8. 0-0 Bxc3 9. bxc3 Nxe4 10. Qd3 Re8 11. Bf4 d5 12. Bb3 Bf5 13. Qb5 Nxc3 14. Qxb7 Ne2+ 15. Kh1 Nxf4 16. Qxc6 Qd7 17. Qc1 Nd3 18. Qa3 Qe7 19. Qa5 Qd7 20. Bxd5 c6 21. Bxc6 Qxc6 22. Qxf5 Nb4 23. Ng5 Qg6 24. Qxg6 fxg6 25. g3 Nc2 26. Rad1 Rad8 27. Nf3 Rf8 28. Kg2 Nb4 29. a4 h6 30. Ne5 Nc2 31. Nxg6 Rf6 32. Nf4 Rxd4 33. Rxd4 Nxd4 34. Rd1 Nc6 35. Rd7 a5 36. Nh5 Rg6 37. Nf4 Rf6 38. Nd5 Rf5 39. Ne7+ Nxe7 40. Rxe7 Kh7 41. Re4 g5 42. f3 h5 1/2-1/2

[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 "Hengelo U14 op"]
[Site "Hengelo"]
[Date "1996.??.??"]
[Round "2"]
[White "Weijers, Ralf"]
[Black "Van Beek, Guido"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "120"]
[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. f4 Nc6 3. Nf3 d6 4. d3 g6 5. Be3 Bg7 6. c3 e6 7. g3 Rb8 8. h3 b5 9. Qc2 Nge7 10. Bg2 0-0 11. 0-0 Bd7 12. Nbd2 Qc7 13. Bf2 b4 14. Be1 Rb7 15. Nb3 Rfb8 16. Rb1 a5 17. e5 a4 18. exd6 Qxd6 19. Na1 Nd5 20. c4 Ne3 21. Qe2 Nxf1 22. Qxf1 Rc7 23. Nc2 Nd4 24. Nfxd4 Bxd4+ 25. Nxd4 Qxd4+ 26. Bf2 Qd6 27. Qe2 Bc6 28. Bxc6 Rxc6 29. Qe4 Rd8 30. Rd1 Rc7 31. g4 f5 32. Qe3 fxg4 33. hxg4 Rf8 34. Bg3 Qd4 35. Qxd4 cxd4 36. f5 Rc6 37. fxg6 hxg6 38. Be5 Rd8 39. Re1 Rd7 40. Re4 Kf7 41. Bxd4 Rcd6 42. Bc5 Rxd3 43. Bxb4 R3d4 44. Rxd4 Rxd4 45. b3 axb3 46. axb3 Rd3 47. Kf2 Rxb3 48. Bd6 Ke8 49. c5 Kd7 50. g5 Rd3 51. Ke2 Rxd6 52. cxd6 Kxd6 53. Ke3 Ke5 54. Kf3 Kf5 55. Ke3 Kxg5 56. Kf3 Kf5 57. Kg3 Ke4 58. Kg4 e5 59. Kg3 Ke3 60. Kg4 Kf2 0-1

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "13"]
[White "Weijers, Ralf"]
[Black "Andriessen, Marc"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "63"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 d6 2. d4 e6 3. f3 Nc6 4. c3 Nf6 5. Be3 Be7 6. Bd3 Bd7 7. Nd2 0-0 8. Ne2 a6 9. 0-0 b6 10. Qc2 Na5 11. e5 Nd5 12. Bf2 g6 13. a3 Bb5 14. c4 Nxc4 15. Bxc4 Bg5 16. Bxb5 axb5 17. g3 dxe5 18. dxe5 Be3 19. Qd3 Bxf2+ 20. Rxf2 Nb4 21. Qxd8 Rfxd8 22. Nf4 Nd3 23. Nxd3 Rxd3 24. f4 b4 25. a4 Rd4 26. b3 h5 27. Rc1 c5 28. Rd1 Rad8 29. Kf1 c4 30. bxc4 b3 31. Ke1 b2 32. Rb1 1-0

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "5"]
[White "Weijers, Ralf"]
[Black "Muhren, Willem"]
[Result "0-1"]
[ECO "B21"]
[PlyCount "40"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. f4 d6 3. d3 Nc6 4. g3 Nf6 5. Nf3 g6 6. Be3 Bg7 7. Bg2 Ng4 8. Qe2 Nxe3 9. Qxe3 Bxb2 10. c3 Bxa1 11. Qc1 Qa5 12. a3 Qb6 13. 0-0 c4+ 14. Kh1 cxd3 15. Qd2 Be6 16. Ng5 Bc4 17. a4 Na5 18. Na3 Qb2 19. Nxc4 Nxc4 20. Qxb2 Bxb2 0-1

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "7"]
[White "Weijers, Ralf"]
[Black "Van den Berg, R."]
[Result "0-1"]
[ECO "C54"]
[PlyCount "36"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Bxc3+ 8. bxc3 Nxe4 9. 0-0 d5 10. Bd3 Bf5 11. Re1 0-0 12. Ng5 Re8 13. f3 Nxc3 14. Qd2 Bxd3 15. Rxe8+ Qxe8 16. Qxd3 Qe1+ 17. Qf1 Ne2+ 18. Kh1 Qxf1# 0-1

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1995.??.??"]
[Round "4"]
[White "Weijers, Ralf"]
[Black "Wever, Dennis"]
[Result "1-0"]
[ECO "C57"]
[PlyCount "17"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf7 Kxf7 7. Qf3+ Ke8 8. Bxd5 Bc5 9. Qf7# 1-0

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "1"]
[White "Weijers, Ralf"]
[Black "Bouwhuis, Michiel"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "42"]
[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. Nc3 Nf6 5. 0-0 d6 6. d3 Bg4 7. h3 Bh5 8. Be3 Bb6 9. d4 exd4 10. Bxd4 Nxd4 11. Qd3 Nxf3+ 12. gxf3 Qd7 13. f4 0-0-0 14. Nd5 Nxe4 15. Nxb6+ cxb6 16. Bb5 Qe6 17. Rfe1 d5 18. f3 Qxh3 19. fxe4 Bf3 20. Qf1 Qg3+ 21. Qg2 Qxg2# 0-1

[Event "NED-ch U12"]
[Site "Hengelo"]
[Date "1994.??.??"]
[Round "2"]
[White "Weijers, Ralf"]
[Black "Den Uijl, Simon"]
[Result "0-1"]
[ECO "B17"]
[PlyCount "56"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bd3 Ngf6 6. Be3 Nxe4 7. Bxe4 Nf6 8. f3 e6 9. c3 Qc7 10. Ne2 Bd7 11. Qd2 Rd8 12. Nf4 c5 13. Rc1 Bb5 14. Nd3 Be7 15. c4 Ba6 16. dxc5 Nxe4 17. fxe4 Qd7 18. Rc3 Bxc4 19. Ke2 Ba6 20. Rd1 Bf6 21. Rb3 Qc7 22. Qc2 Qxh2 23. Kf1 Qh1+ 24. Bg1 Bd4 25. Ke2 Qxg2+ 26. Ke1 Qxc2 27. Bxd4 Rxd4 28. Nf2 Qe2# 0-1

