[Event "Wch U16"]
[Site "Singapore"]
[Date "1990.??.??"]
[Round "?"]
[White "Cotton, Philippe"]
[Black "Ong, D."]
[Result "1-0"]
[ECO "B12"]
[PlyCount "104"]
[EventDate "1990.06.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SIN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 h5 7. Nf4 Ne7 8. Nxg6 Nxg6 9. gxh5 Ne7 10. Bd3 Nd7 11. Be3 c5 12. dxc5 Nxe5 13. Bb5+ N7c6 14. Bd4 Qc7 15. Qe2 0-0-0 16. Rd1 Nxd4 17. Rxd4 Bxc5 18. Ra4 a6 19. Bd3 Nxd3+ 20. cxd3 Qc6 21. d4 b5 22. Rxa6 Qxa6 23. dxc5 d4 24. Ne4 d3 25. Qd2 Qxa2 26. 0-0 Qd5 27. Nd6+ Rxd6 28. cxd6 Qxd6 29. Rc1+ Kd7 30. Qg5 Qd4 31. Qxb5+ Ke7 32. Qg5+ Kd7 33. Qb5+ Kd6 34. Rc4 Qd5 35. Qb4+ Ke5 36. Rc5 Rxh5 37. Rxd5+ exd5 38. Qe7+ Kd4 39. Qe3+ Kc4 40. Qd2 Kd4 41. h4 Rh6 42. Qf4+ Kc5 43. b4+ Kb5 44. Qd4 Re6 45. Kf1 g6 46. Qxd3+ Kxb4 47. Qxd5 Kc3 48. Kg2 Kb4 49. Qb7+ Kc5 50. Qxf7 Kd6 51. Kg3 Ke5 52. Qf4+ Kd5 1-0

[Event "Wch U16"]
[Site "Singapore"]
[Date "1990.??.??"]
[Round "?"]
[White "Marquez, Raul"]
[Black "Ong, D."]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2255"]
[PlyCount "72"]
[EventDate "1990.06.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SIN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 e5 4. g3 Bd6 5. Bg2 Ne7 6. Ngf3 0-0 7. 0-0 Bg4 8. h3 Bh5 9. c3 f5 10. Re1 Qc7 11. Qb3 h6 12. exf5 Bxf3 13. Nxf3 Nxf5 14. d4 exd4 15. Nxd4 Nxd4 16. cxd4 Nd7 17. Bd2 Rae8 18. Qd3 Nf6 19. b4 Qf7 20. b5 Ne4 21. f4 Nxd2 22. Qxd2 Rxe1+ 23. Rxe1 Re8 24. bxc6 bxc6 25. Rc1 Rc8 26. Qa5 Rc7 27. Rxc6 Rxc6 28. Bxd5 Rc1+ 29. Kf2 Rc2+ 30. Kf3 Rc3+ 31. Ke4 Rxg3 32. Bxf7+ Kxf7 33. Qxa7+ Kf6 34. Qa6 Ke7 35. Qb7+ Kf6 36. a4 Ra3 1-0

[Event "Wch U16"]
[Site "Singapore"]
[Date "1990.??.??"]
[Round "?"]
[White "Ong, D."]
[Black "Al Modiahki, Mohamad"]
[Result "0-1"]
[ECO "C27"]
[BlackElo "2235"]
[PlyCount "126"]
[EventDate "1990.06.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SIN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 e5 3. Bc4 Nxe4 4. Qh5 Nd6 5. Qxe5+ Qe7 6. Qxe7+ Bxe7 7. Bb3 b6 8. Nge2 Bb7 9. Rg1 0-0 10. d3 Na6 11. Bf4 Rfe8 12. d4 Nf5 13. 0-0-0 Bf6 14. d5 g5 15. g4 Nh4 16. Be3 Be5 17. h3 h6 18. Bc4 Nf3 19. Rgf1 Re7 20. Bd3 d6 21. Be4 Nh4 22. Bh1 Nc5 23. Rfe1 Rae8 24. Kd2 Ba6 25. b4 Nd7 26. f4 gxf4 27. Bf2 f3 28. Bxh4 fxe2 29. Nxe2 Bxe2 30. Bxe7 Bxd1 31. Bh4 Bxg4 32. hxg4 Bf4+ 33. Kc3 Rxe1 34. Bxe1 Ne5 35. Bh4 Bg5 36. Bg3 Nxg4 37. Kc4 a6 38. Kd4 f5 39. Be1 Bf6+ 40. Kd3 Ne5+ 41. Ke2 Kg7 42. Bg2 Kg6 43. a4 h5 44. Kf1 Kg5 45. Kg1 Kg4 46. Kh1 Nf3 47. Bf2 Bc3 48. Bf1 h4 49. Bxa6 Bxb4 50. Be2 h3 51. Bd4 Bc5 52. Bf6 Kg3 53. Bc3 Ne5 54. Be1+ Bf2 55. Bd2 Ng4 56. Bd3 f4 57. a5 bxa5 58. Bxa5 f3 59. Bd2 Bb6 60. Be1+ Bf2 61. Bd2 Bc5 62. Be1+ f2 63. Bd2 f1Q+ 0-1

[Event "Wch U16"]
[Site "Singapore"]
[Date "1990.??.??"]
[Round "?"]
[White "Ong, D."]
[Black "Huberty, Marc"]
[Result "1-0"]
[ECO "B25"]
[PlyCount "73"]
[EventDate "1990.06.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SIN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. g3 Bg7 5. Bg2 e6 6. Nge2 Nge7 7. 0-0 0-0 8. d3 d6 9. Be3 Rb8 10. g4 f5 11. Ng3 Bd7 12. Rb1 b5 13. h3 b4 14. Nce2 Qa5 15. Nc1 Nd4 16. gxf5 exf5 17. Qd2 Qd8 18. Nce2 Nxe2+ 19. Nxe2 Be6 20. b3 Qc7 21. c4 a5 22. Kh2 a4 23. d4 axb3 24. axb3 fxe4 25. Bxe4 Nf5 26. Bg1 Rfe8 27. Bh1 Qe7 28. Rbe1 Qc7 29. Qd3 Bd7 30. Be4 Re7 31. dxc5 dxc5 32. Bxf5 Bxf5 33. Qd5+ Kh8 34. Qxc5 Qd8 35. Ng3 Rc7 36. Qe3 Bc8 37. Qe8+ 1-0

[Event "Wch U16"]
[Site "Singapore"]
[Date "1990.??.??"]
[Round "?"]
[White "Ong, D."]
[Black "Saroinsong, Henry"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "152"]
[EventDate "1990.06.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SIN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. g3 Bg7 5. Bg2 0-0 6. Nge2 Nbd7 7. h3 e5 8. Be3 Re8 9. d5 a6 10. g4 Rf8 11. Ng3 Nb6 12. Qd3 Bd7 13. b3 Nc8 14. a4 Ne7 15. 0-0 Rc8 16. f4 exf4 17. Rxf4 c6 18. Bd4 Ne8 19. Bxg7 Nxg7 20. Nce2 cxd5 21. exd5 f5 22. g5 Qa5 23. b4 Qb6+ 24. Kh1 a5 25. b5 Rc5 26. c3 Qc7 27. Ra3 Nc8 28. Bf3 Nb6 29. Nf1 Nc4 30. Ra2 Re8 31. Kg2 Ne5 32. Qd2 Rc4 33. Ne3 Rxf4 34. Nxf4 Rc8 35. Nd1 Qc4 36. Ra3 Qc5 37. Ra1 Nc4 38. Qd4 Qxd4 39. cxd4 Nb6 40. Ne3 Rc3 41. Kf2 Kf7 42. Bd1 Ke7 43. Ke2 Be8 44. Kd2 Rc8 45. Rc1 Rxc1 46. Kxc1 Bf7 47. Kb2 Ne8 48. Kb3 Nc7 49. Bf3 Kd7 50. h4 Ke7 51. h5 Kd7 52. Ka3 Kd8 53. Ne6+ Bxe6 54. dxe6 Nxe6 55. hxg6 hxg6 56. Bxb7 Nxg5 57. Ng2 Ne6 58. Nh4 Nf8 59. Bf3 f4 60. Bg4 Ke7 61. Kb3 Kf6 62. Nf3 Ne6 63. Nd2 Nxd4+ 64. Kc3 Ne6 65. Bd1 Nc5 66. Kd4 Ncxa4 67. Ne4+ Ke7 68. Bc2 Nb2 69. Nc3 g5 70. Bf5 a4 71. Nd5+ Nxd5 72. Kxd5 a3 73. b6 a2 74. b7 a1Q 75. b8Q Qd1+ 76. Kc6 Qa4+ 1-0

[Event "Wch U16"]
[Site "Singapore"]
[Date "1990.??.??"]
[Round "?"]
[White "Ong, D."]
[Black "Zygouris, Hristos"]
[Result "1/2-1/2"]
[ECO "B21"]
[BlackElo "2295"]
[PlyCount "100"]
[EventDate "1990.06.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SIN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. f4 d5 3. Nc3 dxe4 4. Nxe4 e6 5. d3 Nf6 6. Be2 Nbd7 7. Bf3 Be7 8. Ne2 Nxe4 9. dxe4 0-0 10. 0-0 b5 11. Be3 Bb7 12. Ng3 Qc7 13. Qe2 b4 14. Rfd1 Rfd8 15. Nf1 Nb6 16. b3 c4 17. Rac1 c3 18. Qf2 Nd7 19. g4 Rac8 20. h4 Nc5 21. Qg2 Rxd1 22. Rxd1 Rd8 23. Ra1 Nd7 24. Kh1 Bc5 25. Bc1 Qb6 26. g5 Nb8 27. h5 Rd7 28. g6 fxg6 29. hxg6 h6 30. Qh3 Re7 31. Ng3 Nd7 32. f5 Nf6 33. Bxh6 gxh6 34. Qxh6 Qd6 35. Rd1 Bd4 36. Nh5 Nxh5 37. Qxh5 Qe5 38. Qg5 exf5 39. Rxd4 fxe4 40. Qxe5 Rxe5 41. Be2 e3+ 42. Kh2 Bf3 43. Bxf3 e2 44. Bxe2 Rxe2+ 45. Kg3 a5 46. a3 bxa3 47. Ra4 Rxc2 48. Rxa3 Rb2 49. Rxa5 c2 50. Rc5 Kg7 1/2-1/2

[Event "Wch U16"]
[Site "Singapore"]
[Date "1990.??.??"]
[Round "?"]
[White "Schweda, Roland"]
[Black "Ong, D."]
[Result "1-0"]
[ECO "B33"]
[PlyCount "61"]
[EventDate "1990.06.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SIN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Nd5 Nxd5 8. exd5 Ne7 9. c4 Nf5 10. Bd3 Be7 11. 0-0 0-0 12. f4 g6 13. fxe5 dxe5 14. Kh1 b6 15. Qf3 Bg5 16. Bxf5 Bxf5 17. Qg3 Bh4 18. Qxe5 Re8 19. Qc3 Bf6 20. Qg3 Qd7 21. Nc7 Be5 22. Nxe8 Rxe8 23. Qb3 Qc7 24. Bh6 Rc8 25. Rae1 f6 26. c5 bxc5 27. d6+ Qf7 28. Qxf7+ Kxf7 29. g4 Bxd6 30. gxf5 g5 31. Rd1 1-0

[Event "Wch U16"]
[Site "Singapore"]
[Date "1990.??.??"]
[Round "?"]
[White "Sharif, Mohamed"]
[Black "Ong, D."]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "2240"]
[PlyCount "66"]
[EventDate "1990.06.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SIN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 d5 5. cxd5 exd5 6. Nf3 c6 7. a3 Bd6 8. Bg5 Nbd7 9. e4 dxe4 10. Qe2 Qe7 11. Bxf6 Nxf6 12. Nd2 Bf5 13. g3 0-0-0 14. Nc4 Bc7 15. Ne3 Bg6 16. Bh3+ Kb8 17. Rd1 Rhe8 18. 0-0 Bb6 19. Nc2 Bh5 20. g4 Nxg4 21. Kh1 Nf6 22. Qe3 Bxd1 23. Rxd1 Bc7 24. b4 Nh5 25. Ne2 Qh4 26. Rg1 f5 27. Qg5 Qxh3 28. Rg2 h6 29. Qg6 Rf8 30. Ne3 Rf6 31. Ng1 Rxg6 32. Nxh3 Rxg2 33. Kxg2 f4 0-1

[Event "Wch U16"]
[Site "Singapore"]
[Date "1990.??.??"]
[Round "?"]
[White "Varga, Zalan"]
[Black "Ong, D."]
[Result "1/2-1/2"]
[ECO "B16"]
[WhiteElo "2250"]
[PlyCount "58"]
[EventDate "1990.06.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "SIN"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf6 6. Nf3 Bg4 7. Be2 Qc7 8. Be3 e6 9. Qd2 Nd7 10. Bf4 Qb6 11. c3 0-0-0 12. 0-0 Be7 13. b4 Rhg8 14. a4 e5 15. a5 Qc7 16. Bg3 Bd6 17. Qe3 Kb8 18. Rfd1 Ka8 19. dxe5 fxe5 20. Nh4 Be6 21. Bd3 Be7 22. Nf5 Bg5 23. Qe2 Bf4 24. Kh1 Rde8 25. Be4 Nf6 26. a6 bxa6 27. Nd6 Rd8 28. Nb5 Qc8 29. Nd6 Qc7 1/2-1/2

