[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "1974.04.13"]
[Round "7"]
[White "Westra, Bart"]
[Black "Sinke, Han"]
[Result "1/2-1/2"]
[ECO "D53"]
[PlyCount "42"]
[EventDate "1974.04.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 c5 6. e3 Nc6 7. dxc5 Bxc5 8. cxd5 exd5 9. Be2 Be6 10. 0-0 Qd7 11. Qc1 Be7 12. Bb5 a6 13. Ne5 Qc7 14. Nxc6 bxc6 15. Ba4 0-0 16. Rd1 Rfd8 17. Ne2 Rac8 18. a3 c5 19. Nf4 h6 20. Nxe6 fxe6 21. Bh4 Rf8 1/2-1/2

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "1974.04.12"]
[Round "6"]
[White "Sinke, Han"]
[Black "Van Erven, Spencer"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "116"]
[EventDate "1974.04.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 Ng8 7. cxd4 Bb4+ 8. Bd2 Bxd2+ 9. Qxd2 d5 10. exd6 Qxd6 11. 0-0 Nge7 12. h3 0-0 13. Nc3 Nb8 14. Nb5 Qb6 15. Qf4 Na6 16. a4 Ng6 17. Qg3 c6 18. a5 Qd8 19. Nd6 Nb4 20. Ng5 Nd5 21. Rfe1 Ngf4 22. Ndxf7 Rxf7 23. Nxf7 Nxh3+ 24. gxh3 Kxf7 25. Re5 Kf8 26. Bxd5 cxd5 27. Qf3+ Qf6 28. Qxf6+ gxf6 29. Rh5 Kg7 30. Kh2 Be6 31. Rc1 Bf7 32. Rh4 Re8 33. Rc2 Re7 34. Rg4+ Kf8 35. Rg3 Rd7 36. Rc8+ Ke7 37. Rg7 h5 38. Rg3 Kd6 39. Rf3 Ke6 40. Re3+ Kd6 41. Kg3 Be6 42. Kf4 a6 43. b4 Ke7 44. Rh8 Kd6 45. Rxh5 Rg7 46. Rh6 Rf7 47. h4 Kd7 48. Rg6 Rh7 49. Kg3 Rf7 50. h5 Bf5 51. Rh6 Rg7+ 52. Kf4 Be4 53. Rxf6 Rh7 54. h6 Ke7 55. Rb6 Ke8 56. Rg3 Kf8 57. Rg7 Rxg7 58. hxg7+ Kxg7 1-0

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "1974.04.11"]
[Round "5"]
[White "Slaa, Joop"]
[Black "Sinke, Han"]
[Result "1/2-1/2"]
[ECO "D32"]
[PlyCount "36"]
[EventDate "1974.04.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 exd5 6. Bg5 Be6 7. dxc5 Bxc5 8. e3 a6 9. Be2 Nc6 10. 0-0 Qd7 11. Rc1 Be7 12. Na4 Bd8 13. a3 Rb8 14. Nc5 Qc8 15. Qa4 0-0 16. Nxb7 Qxb7 17. Bf4 Bd7 18. Bxb8 Nxb8 1/2-1/2

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "1974.04.10"]
[Round "4"]
[White "Van der Wiel, John"]
[Black "Sinke, Han"]
[Result "1-0"]
[ECO "C08"]
[PlyCount "39"]
[EventDate "1974.04.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Be6 6. dxc5 Bxc5 7. Nb3 Bb6 8. Bd3 h6 9. Bf4 Nc6 10. c3 Nf6 11. 0-0 0-0 12. h3 Rc8 13. Re1 Re8 14. Qd2 Ne7 15. Nbd4 Bxd4 16. Nxd4 Bd7 17. Bxh6 gxh6 18. Qxh6 Nc6 19. Rxe8+ Bxe8 20. Nf5 1-0

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "1974.04.09"]
[Round "3"]
[White "Sinke, Han"]
[Black "Saarloos, Leendert"]
[Result "1/2-1/2"]
[ECO "B09"]
[PlyCount "39"]
[EventDate "1974.04.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Be2 b6 7. Be3 Bb7 8. Nd2 Nbd7 9. Bf3 e5 10. fxe5 dxe5 11. d5 Ne8 12. Qe2 Nd6 13. 0-0-0 Qe7 14. Rhe1 Rfc8 15. Kb1 c5 16. b3 a5 17. Qf1 Ba6 18. Be2 Bxe2 19. Qxe2 Nb8 20. Nc4 1/2-1/2

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "1974.04.09"]
[Round "2"]
[White "Sinke, Han"]
[Black "Van der Poel, Henk"]
[Result "1-0"]
[ECO "B56"]
[PlyCount "101"]
[EventDate "1974.04.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Be2 Be7 9. Qd2 0-0 10. f3 Nc6 11. 0-0 Qc7 12. Rac1 b5 13. Rfd1 Rfd8 14. Nd5 Bxd5 15. exd5 Nb8 16. c4 Qd7 17. Rc2 Rc8 18. Rdc1 Ne8 19. cxb5 Rxc2 20. Qxc2 axb5 21. Qc8 b4 22. Bb6 Bf8 23. Na5 g6 24. Nc6 Qxc8 25. Ne7+ Bxe7 26. Rxc8 Bg5 27. Rxe8+ Kg7 28. Bc4 Nd7 29. Rxa8 Nxb6 30. Rb8 Nxc4 31. Rxb4 Ne3 32. Rb5 f5 33. a4 Nc4 34. a5 e4 35. fxe4 fxe4 36. a6 Be3+ 37. Kf1 Bc5 38. Ke2 Nb6 39. a7 Na8 40. Rb8 Bxa7 41. Rxa8 Bc5 42. Rb8 Kf6 43. b4 Bd4 44. Re8 Kf5 45. Re6 g5 46. Rxd6 Ke5 47. Rd7 h5 48. Rg7 Kf6 49. Rh7 h4 50. Rh6+ Kg7 51. Re6 1-0

[Event "NED-ch U16"]
[Site "Nijmegen"]
[Date "1974.04.08"]
[Round "1"]
[White "Schutte, Jan"]
[Black "Sinke, Han"]
[Result "1/2-1/2"]
[ECO "C02"]
[PlyCount "37"]
[EventDate "1974.04.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "NED"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 Nge7 7. b4 cxd4 8. cxd4 Nf5 9. Be3 Nxe3 10. fxe3 Be7 11. Bd3 Bd7 12. 0-0 Rc8 13. Nbd2 a5 14. b5 Na7 15. a4 0-0 16. Qe1 Rc3 17. Qe2 Rfc8 18. g4 Qd8 19. Kg2 1/2-1/2

