[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2003.08.09"]
[Round "9"]
[White "Snijders, Jasper"]
[Black "Van der Tuyn, Isaac"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "35"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nge7 5. 0-0 f5 6. Nc3 Na5 7. Nxe5 Nxc4 8. Nxc4 0-0 9. Be3 Bxe3 10. fxe3 fxe4 11. dxe4 d6 12. Nd5 b6 13. Rxf8+ Kxf8 14. Nxe7 Qxe7 15. Qd5 Rb8 16. Rf1+ Ke8 17. Qg8+ Kd7 18. Rf7 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2003.08.08"]
[Round "7"]
[White "Lambrechts, Koen"]
[Black "Van der Tuyn, Isaac"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "23"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nge7 5. Nc3 0-0 6. 0-0 Kh8 7. Ng5 d5 8. Nxd5 f6 9. Nxh7 Na5 10. Nxe7 Qxe7 11. Nxf8 Nxc4 12. Ng6+ 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2003.08.08"]
[Round "8"]
[White "Van der Tuyn, Isaac"]
[Black "Van der Pluijm, Rick"]
[Result "0-1"]
[ECO "A04"]
[PlyCount "76"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. d3 d6 4. Nc3 Nf6 5. Bg5 c5 6. Be2 Nc6 7. 0-0 f4 8. Bxf6 Qxf6 9. Nd5 Qd8 10. g3 g5 11. Ne1 Be6 12. Bh5+ Kd7 13. Bg4 Nd4 14. c3 Bxg4 15. Qxg4+ Ne6 16. Nf3 h5 17. Qf5 Be7 18. b4 Re8 19. Qf7 g4 20. bxc5 gxf3 21. cxd6 Kxd6 22. Qxh5 Bh4 23. gxh4 Rh8 24. Qxf3 Qxh4 25. Rfc1 Ng5 26. Qg2 Rag8 27. Kf1 f3 28. Qg3 Nh3 29. Qxf3 Rf8 30. Qg3 Rxf2+ 31. Ke1 Rg8 32. Qxg8 Rg2+ 33. Qg3 Rxg3 34. hxg3 Qxg3+ 35. Kd2 Qf2+ 36. Kd1 Ng1 37. Rcb1 Nf3 38. Rb2 Qxb2 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2003.08.07"]
[Round "6"]
[White "Van der Tuyn, Isaac"]
[Black "Hulpia, Fabian"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "107"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 Bf5 5. a3 e6 6. Bc4 c6 7. 0-0 Be7 8. Re1 0-0 9. Bd3 Bxd3 10. Qxd3 Nd7 11. c4 N5f6 12. Nc3 Nb6 13. Bf4 c5 14. Rad1 cxd4 15. Nb5 Qd7 16. Ne5 Qd8 17. Nxd4 Rc8 18. b4 Nfd7 19. Nxf7 Rxf7 20. Nxe6 Qe8 21. Ng5 Nf6 22. Nxf7 Qxf7 23. c5 Nbd5 24. Bg5 h6 25. Bxf6 Nxf6 26. Qe3 Bf8 27. Qe6 Re8 28. Qxf7+ Kxf7 29. Rxe8 Kxe8 30. Rc1 Kd7 31. b5 Kc7 32. a4 Nd7 33. c6 bxc6 34. Rxc6+ Kb7 35. Kf1 a6 36. Ke2 axb5 37. axb5 Nb8 38. Rg6 Nd7 39. f4 Nf6 40. Kd3 Nd5 41. g3 Nb6 42. Ke4 Nc4 43. Kf5 Nd6+ 44. Ke6 Kc7 45. g4 Nxb5 46. Kf7 Bd6 47. Rxd6 Nxd6+ 48. Kxg7 Kd7 49. Kxh6 Ke6 50. h4 Kf6 51. Kh7 Ne4 52. h5 Kf7 53. g5 Kf8 54. h6 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2003.08.06"]
[Round "4"]
[White "Van der Tuyn, Isaac"]
[Black "Roorda, Thijs"]
[Result "1/2-1/2"]
[ECO "C10"]
[PlyCount "71"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf6 Bxf6 6. Nf3 Nc6 7. e5 Be7 8. Bd3 0-0 9. 0-0 Bd7 10. Ne2 a6 11. c3 Na7 12. Ng3 c5 13. Qc2 h6 14. Rae1 Rc8 15. Qb1 Qb6 16. Bh7+ Kh8 17. Nh5 Bb5 18. Bd3 cxd4 19. Nxd4 Bxd3 20. Qxd3 Rc7 21. Re2 Nc6 22. Nf4 Nxd4 23. Qxd4 Qxd4 24. cxd4 Rc4 25. Rd1 Rfc8 26. g3 Bg5 27. Nd3 Rxd4 28. f4 Be7 29. g4 Bc5 30. Kg2 Ba7 31. h3 Rdc4 32. f5 Bd4 33. Nf4 Ba7 34. Kg3 exf5 35. Rxd5 fxg4 36. hxg4 1/2-1/2

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2003.08.06"]
[Round "5"]
[White "Viaene, Arvid"]
[Black "Van der Tuyn, Isaac"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "73"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 d6 6. Bg5 Bb4 7. a3 Bxc3+ 8. bxc3 Na5 9. Ba2 h6 10. Be3 Bg4 11. h3 Be6 12. 0-0 Qd7 13. Qd2 g5 14. Bxe6 Qxe6 15. c4 b6 16. Nh2 Rg8 17. g4 Rg7 18. f3 0-0-0 19. Rf2 Rdg8 20. Rb1 h5 21. Qc3 c5 22. Qd2 Nc6 23. Qe2 Rh7 24. a4 hxg4 25. hxg4 Nd4 26. Bxd4 exd4 27. Kf1 Rgh8 28. Ke1 Qe5 29. Nf1 Rh1 30. Kd1 Qf4 31. c3 Re8 32. cxd4 cxd4 33. Qd2 Qxd2+ 34. Kxd2 Nd7 35. Rb3 Ne5 36. Ng3 Kd7 37. Nxh1 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2003.08.05"]
[Round "3"]
[White "Van Eetvelde, Ward"]
[Black "Van der Tuyn, Isaac"]
[Result "0-1"]
[ECO "D31"]
[PlyCount "66"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. a3 dxc4 5. e3 b5 6. Nf3 Nf6 7. Qc2 h6 8. g3 Bd6 9. Bg2 a6 10. 0-0 0-0 11. Bd2 Nd5 12. Nxd5 cxd5 13. Bb4 Nc6 14. Bxd6 Qxd6 15. Qc3 Bb7 16. Rab1 a5 17. Qd2 b4 18. a4 Rfd8 19. b3 Rac8 20. Rfe1 e5 21. Qc2 Ba6 22. Bh3 Rc7 23. Red1 e4 24. Ne1 cxb3 25. Qxb3 Ne7 26. Rdc1 Bc4 27. Qd1 Rb8 28. Rb2 b3 29. Bf1 Qa3 30. Rbb1 b2 31. Rc2 Bb3 32. Bb5 Bxc2 33. Nxc2 Qb3 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2003.08.05"]
[Round "2"]
[White "Van der Tuyn, Isaac"]
[Black "Langerak, Wouter"]
[Result "0-1"]
[ECO "B34"]
[PlyCount "46"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Bc4 Bg7 6. c3 Nf6 7. Nd2 0-0 8. 0-0 d5 9. exd5 Nxd5 10. Nxc6 bxc6 11. h3 Bf5 12. Nf3 e5 13. Bg5 Qd7 14. Qd2 Rab8 15. Bh6 Bxh6 16. Qxh6 e4 17. Ng5 f6 18. g4 fxg5 19. gxf5 Qxf5 20. Rab1 Kh8 21. Bxd5 cxd5 22. h4 Qg4+ 23. Kh1 Rf3 0-1

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2003.08.04"]
[Round "1"]
[White "Laarhoven, Thijs"]
[Black "Van der Tuyn, Isaac"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "59"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 f6 4. dxe5 fxe5 5. Bc4 Nf6 6. Nc3 Bb4 7. Ng5 Qe7 8. 0-0 Bxc3 9. bxc3 b6 10. Bd5 Bb7 11. c4 0-0-0 12. Nf7 Nxd5 13. Nxd8 Nf6 14. Nxb7 Kxb7 15. Bg5 Rf8 16. Qd3 Na5 17. Rab1 Qc5 18. Bxf6 gxf6 19. Qxd7 Nxc4 20. Rb5 Qc6 21. Rd5 Nd6 22. Qxh7 Qxc2 23. Rxd6 Qxa2 24. Rc1 Rf7 25. Qg8 Qa3 26. Rdc6 Rd7 27. h3 Rd2 28. Rxc7+ Ka6 29. Qc4+ b5 30. Qc6+ 1-0

[Event "Hengelo U14 op"]
[Site "Hengelo"]
[Date "2003.08.04"]
[Round "1"]
[White "Verlinde, Tieme"]
[Black "Van der Tuyn, Isaac"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "80"]
[EventDate "2003.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NED"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. Nc3 Bb4 6. 0-0 0-0 7. Be3 Bxc3 8. bxc3 d5 9. exd5 Nxd5 10. Bb5 Nxc3 11. Qd2 Nxb5 12. Rab1 Ncd4 13. Nxe5 Re8 14. Nc4 Bh3 15. Rxb5 Nxb5 16. gxh3 Re6 17. Rb1 Qd5 18. Qb4 c6 19. a4 Rg6+ 20. Kf1 Qh1+ 21. Ke2 Nc3+ 22. Qxc3 Qxb1 23. Nd2 Qa2 24. Nf3 Qxa4 25. Ne5 Re6 26. Nf3 Rae8 27. Nd4 Re5 28. Nf3 R5e7 29. Nd4 c5 30. Nf5 Re5 31. Nd6 R8e6 32. Nxb7 Qd4 33. Qd2 f5 34. Kf1 Qd5 35. Nxc5 Qh1+ 36. Ke2 Rxc5 37. d4 Rc8 38. d5 Rd8 39. c4 f4 40. Qa5 Ree8 0-1

