[Event "AUS-ch U18"]
[Site "Adelaide"]
[Date "1998.01.25"]
[Round "11"]
[White "Ong, Sean"]
[Black "Wijeyekoon, Eshan"]
[Result "1/2-1/2"]
[ECO "B78"]
[WhiteElo "1645"]
[BlackElo "1259"]
[PlyCount "47"]
[EventDate "1998.01.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Bc4 Bg7 6. Be3 d6 7. Nc3 Nf6 8. f3 0-0 9. Qd2 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. h4 h5 13. Bh6 Bxh6 14. Qxh6 Rxc3 15. bxc3 Qa5 16. g4 Qxc3 17. Kb1 a5 18. gxh5 a4 19. Bd5 Nxd5 20. hxg6 Qb4+ 21. Ka1 Qc3+ 22. Kb1 Qb4+ 23. Ka1 Qc3+ 24. Kb1 1/2-1/2

[Event "AUS-ch U18"]
[Site "Adelaide"]
[Date "1998.01.24"]
[Round "10"]
[White "Richards, Allan"]
[Black "Ong, Sean"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1320"]
[BlackElo "1645"]
[PlyCount "40"]
[EventDate "1998.01.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Be7 5. e3 0-0 6. Bd3 b6 7. cxd5 exd5 8. 0-0 h6 9. e4 dxe4 10. Nxe4 Nbd7 11. Ne5 Bb7 12. Ng3 Nxe5 13. dxe5 Qd5 14. f3 Qxe5 15. Kh1 Rad8 16. Qc2 Bc5 17. Rb1 Rd5 18. b4 Qxg3 19. bxc5 Rh5 20. h3 Ng4 0-1

[Event "AUS-ch U18"]
[Site "Adelaide"]
[Date "1998.01.23"]
[Round "9"]
[White "Ong, Sean"]
[Black "McKay, Christopher"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "1645"]
[BlackElo "1560"]
[PlyCount "55"]
[EventDate "1998.01.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 Nxd4 10. Bxd4 Be6 11. h4 Qa5 12. h5 Nxh5 13. Bxg7 Kxg7 14. g4 Nf6 15. Qh6+ Kg8 16. Bd3 Rfc8 17. e5 Qxe5 18. Rde1 Qg3 19. g5 Nh5 20. Rxe6 fxe6 21. Rxh5 Qf4+ 22. Kb1 Qf7 23. Rh1 Rc5 24. Ne2 e5 25. f4 Qg7 26. Qh3 Rf8 27. Qe6+ Qf7 28. Qh3 1/2-1/2

[Event "AUS-ch U18"]
[Site "Adelaide"]
[Date "1998.01.21"]
[Round "8"]
[White "Oriol, Pablo1111"]
[Black "Ong, Sean"]
[Result "1-0"]
[ECO "E08"]
[WhiteElo "1793"]
[BlackElo "1645"]
[PlyCount "85"]
[EventDate "1998.01.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Be7 6. 0-0 0-0 7. Qc2 Nbd7 8. Nbd2 c5 9. Nxc4 cxd4 10. Nxd4 e5 11. Nf5 g6 12. Nxe7+ Qxe7 13. b3 Nc5 14. Ba3 e4 15. Nd2 b6 16. Nxe4 Nfxe4 17. Bxc5 Qxc5 18. Qxc5 bxc5 19. Bxe4 Rb8 20. Rac1 Bb7 21. Bxb7 Rxb7 22. Rxc5 Rd8 23. Rfc1 Rd2 24. R1c2 Rbd7 25. Rc7 Rxc7 26. Rxd2 Rc1+ 27. Kg2 Ra1 28. Kf3 Kg7 29. h4 h5 30. Ke3 a5 31. Rc2 a4 32. bxa4 Rb1 33. Rc3 Rb6 34. a5 Ra6 35. Ra3 Kf6 36. Kd4 g5 37. hxg5+ Kxg5 38. Kc5 h4 39. gxh4+ Kxh4 40. Kb5 Re6 41. a6 Rxe2 42. a7 Rb2+ 43. Kc4 1-0

[Event "AUS-ch U18"]
[Site "Adelaide"]
[Date "1998.01.20"]
[Round "7"]
[White "Ong, Sean"]
[Black "Stefan, Vladimir"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "1645"]
[BlackElo "1156"]
[PlyCount "89"]
[EventDate "1998.01.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 d6 8. f3 0-0 9. Qd2 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. h4 h5 13. Bh6 Bxh6 14. Qxh6 Rxc3 15. bxc3 Qa5 16. g4 Qxc3 17. Kb1 a5 18. gxh5 a4 19. Bd5 Nxd5 20. hxg6 Nf6 21. g7 Nh7 22. gxf8Q+ Nxf8 23. Qd2 Qa3 24. Rhg1+ Nfg6 25. Qc1 Qc3 26. Qb2 Qc5 27. h5 Nc4 28. Qc3 e5 29. Nb3 axb3 30. axb3 b5 31. bxc4 b4 32. Qb2 Qxc4 33. hxg6 Ba4 34. gxf7+ Kxf7 35. Rxd6 Qc5 36. Rgd1 Qc4 37. R6d5 b3 38. cxb3 Bxb3 39. Rc1 Qb4 40. Rc3 Ba2+ 41. Kxa2 Qa4+ 42. Kb1 Qa6 43. Rc7+ Kf6 44. Qxe5+ Kg6 45. Qf5+ 1-0

[Event "AUS-ch U18"]
[Site "Adelaide"]
[Date "1998.01.19"]
[Round "6"]
[White "Davies, Shaun"]
[Black "Ong, Sean"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "1330"]
[BlackElo "1645"]
[PlyCount "186"]
[EventDate "1998.01.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bg5 c5 4. e3 Bf5 5. c3 e6 6. Qb3 Qb6 7. Qa4+ Nc6 8. Bb5 Bd6 9. dxc5 Bxc5 10. Ne5 Rc8 11. Nd2 Ne4 12. Nef3 f6 13. Bf4 e5 14. Bg3 a6 15. Bxc6+ bxc6 16. Nb3 0-0 17. 0-0 Be7 18. Rfd1 Nc5 19. Nxc5 Bxc5 20. Rd2 Rb8 21. Nd4 exd4 22. exd4 Be7 23. Bxb8 Rxb8 24. Re1 Bd6 25. Rde2 Bd7 26. Qc2 Qa5 27. b3 Qc7 28. h3 Qc8 29. Qd3 Bf5 30. Qe3 Qd7 31. g4 Bg6 32. Kg2 Qc7 33. Qe6+ Bf7 34. Qf5 Bg6 35. Qe6+ Bf7 36. Qf5 Bg6 37. Qe6+ Kf8 38. Qe3 Bf4 39. Qe7+ Qxe7 40. Rxe7 Be4+ 41. R1xe4 dxe4 42. Rxe4 Bd2 43. c4 Re8 44. Kf3 Rxe4 45. Kxe4 Ke7 46. f4 Kd6 47. c5+ Ke6 48. f5+ Kd7 49. a4 a5 50. Kd3 Bf4 51. Ke4 Bh2 52. Kf3 Bg1 53. Ke4 Ke7 54. Kd3 Kf7 55. Kc4 Bf2 56. d5 cxd5+ 57. Kxd5 Ke7 58. Kc6 Kd8 59. Kd6 Kc8 60. Kc6 Be1 61. Kb6 Kb8 62. Kc6 Ka7 63. Kd7 Bg3 64. Kc8 Bf4 65. Kd8 Kb7 66. Kd7 Bg3 67. h4 Bh2 68. g5 Bf4 69. gxf6 gxf6 70. h5 h6 71. Ke6 Kc6 72. Kxf6 Kxc5 73. Ke6 Kb4 74. f6 Be3 75. Kf7 Bc1 76. Kg6 Kxb3 77. Kh7 Kxa4 78. Kg8 Be3 79. f7 Bc5 80. f8Q Bxf8 81. Kxf8 Kb3 82. Kg7 a4 83. Kxh6 a3 84. Kh7 a2 85. h6 a1Q 86. Kg8 Qg1+ 87. Kh8 Qf2 88. Kg7 Qg3+ 89. Kf7 Qf4+ 90. Kg7 Qg4+ 91. Kh7 Qf3 92. Kg8 Qg3+ 93. Kh8 Qf2 0-1

[Event "AUS-ch U18"]
[Site "Adelaide"]
[Date "1998.01.18"]
[Round "5"]
[White "Ong, Sean"]
[Black "Chow, Michael"]
[Result "0-1"]
[ECO "B32"]
[WhiteElo "1645"]
[BlackElo "1905"]
[PlyCount "63"]
[EventDate "1998.01.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. Bc4 Be7 7. Qh5 g6 8. Qd1 Nf6 9. a4 Be6 10. Bxe6 fxe6 11. Bh6 Kf7 12. 0-0 Nxe4 13. Nd2 Nxd2 14. Qxd2 a6 15. Nc3 d5 16. Rae1 Bf6 17. f4 e4 18. g4 Nd4 19. f5 gxf5 20. gxf5 exf5 21. Be3 Nf3+ 22. Rxf3 exf3 23. Bf4 Rg8+ 24. Bg3 d4 25. Nd1 Qd6 26. Kh1 Qd5 27. Nf2 Bg5 28. Qd3 Rae8 29. Rf1 Re3 30. Qd1 f4 31. c4 Qf5 32. Qxd4 0-1

[Event "AUS-ch U18"]
[Site "Adelaide"]
[Date "1998.01.15"]
[Round "4"]
[White "Ong, Sean"]
[Black "Constantinou, Constance"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "1645"]
[BlackElo "1363"]
[PlyCount "79"]
[EventDate "1998.01.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 Ng4 9. Qxg4 Nxd4 10. Qd1 Nxb3 11. axb3 b6 12. Qd5 Qc7 13. 0-0-0 Rb8 14. h4 Qe5 15. h5 d6 16. hxg6 hxg6 17. Bh6 Bxh6+ 18. Rxh6 Qf4+ 19. Qd2 Qxd2+ 20. Kxd2 Kg7 21. Rdh1 Bb7 22. Nd5 Bxd5 23. exd5 Rh8 24. Rxh8 Rxh8 25. Rxh8 Kxh8 26. b4 a6 27. c4 Kg7 28. c5 bxc5 29. bxc5 dxc5 30. Kc3 Kf6 31. Kc4 Ke5 32. Kxc5 f5 33. b4 g5 34. Kb6 g4 35. Kxa6 f4 36. b5 f3 37. gxf3 gxf3 38. b6 Kxd5 39. b7 e5 40. b8Q 1-0

[Event "AUS-ch U18"]
[Site "Adelaide"]
[Date "1998.01.14"]
[Round "3"]
[White "Saw, Geoffrey"]
[Black "Ong, Sean"]
[Result "1-0"]
[ECO "E08"]
[WhiteElo "1850"]
[BlackElo "1645"]
[PlyCount "117"]
[EventDate "1998.01.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. g3 d5 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 c6 7. Qc2 Nbd7 8. Rd1 Nb6 9. Nbd2 Re8 10. b3 Nbd7 11. Bb2 Nf8 12. e4 Ng6 13. h4 Bb4 14. e5 Nd7 15. h5 Ne7 16. Bh3 Nf8 17. Nf1 Kh8 18. a3 Ba5 19. Bc1 Ng8 20. Bg5 Qd7 21. h6 gxh6 22. Be3 Qe7 23. Qc1 f5 24. Bxh6 Nxh6 25. Qxh6 Qg7 26. Qxg7+ Kxg7 27. b4 Bb6 28. c5 Bc7 29. a4 Bd7 30. Rdb1 Reb8 31. Ne3 h6 32. b5 Bd8 33. Bf1 Nh7 34. Rb3 Ng5 35. Nd2 Nf7 36. Rab1 Kf8 37. Ng2 Ng5 38. Nf4 Kf7 39. Be2 Kg7 40. Kg2 Kf7 41. Nf1 Bc7 42. Ne3 Rg8 43. Rh1 Kg7 44. Nh5+ Kg6 45. Nf6 Rgd8 46. g4 Ne4 47. gxf5+ exf5 48. Bh5+ Kg7 49. Nxd7 Rxd7 50. Nxf5+ Kh7 51. Bg4 Rf8 52. Rbh3 Kg6 53. Nh4+ Kg5 54. Bxd7 Rxf2+ 55. Kg1 Rc2 56. Nf3+ Kf4 57. Ne1 Rc1 58. Kg2 Ra1 59. Nd3+ 1-0

[Event "AUS-ch U18"]
[Site "Adelaide"]
[Date "1998.01.13"]
[Round "2"]
[White "Ong, Sean"]
[Black "Laugery, David"]
[Result "1-0"]
[ECO "C66"]
[WhiteElo "1645"]
[BlackElo "1235"]
[PlyCount "39"]
[EventDate "1998.01.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Bd7 5. c3 Nf6 6. Re1 a6 7. Ba4 Be7 8. d4 exd4 9. cxd4 0-0 10. a3 d5 11. e5 Ne4 12. Nbd2 Ng5 13. Nxg5 Bxg5 14. Nf3 Bxc1 15. Rxc1 Ne7 16. Bc2 Re8 17. Ng5 Bf5 18. Qh5 Bxc2 19. Qxf7+ Kh8 20. Qe6 1-0

[Event "AUS-ch U18"]
[Site "Adelaide"]
[Date "1998.01.12"]
[Round "1"]
[White "James, John"]
[Black "Ong, Sean"]
[Result "0-1"]
[ECO "D40"]
[WhiteElo "1096"]
[BlackElo "1645"]
[PlyCount "70"]
[EventDate "1998.01.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. Bg5 Nc6 8. Bd3 0-0 9. 0-0 a6 10. Rc1 dxc4 11. Bxc4 b5 12. Bd3 Nb4 13. Bxf6 Bxf6 14. Be4 Nd5 15. Nxd5 exd5 16. Bb1 Be6 17. Qd3 g6 18. Ne5 Rc8 19. f4 Qb6 20. Kh1 Rc7 21. Rxc7 Qxc7 22. h3 Bf5 23. Qd2 Bxb1 24. Rxb1 Rc8 25. Ng4 Bg7 26. Re1 h5 27. Ne5 Qc2 28. Qb4 Qf2 29. Nxf7 Bf8 30. Nh6+ Bxh6 31. Qe7 Rf8 32. Rg1 Bxf4 33. Qe6+ Kg7 34. Qd7+ Rf7 35. Qxd5 Qg3 0-1

[Event "AUS-ch U18"]
[Site "Perth"]
[Date "1997.??.??"]
[Round "6"]
[White "Gaekwad, Aaron"]
[Black "Ong, Sean"]
[Result "0-1"]
[ECO "B13"]
[PlyCount "52"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nc3 Bf5 5. Bf4 e6 6. Nb5 Na6 7. c4 Bb4+ 8. Nc3 Qa5 9. Nge2 dxc4 10. a3 Bxc3+ 11. Nxc3 Rc8 12. b4 cxb3 13. Bb5+ Ke7 14. 0-0 Rxc3 15. Qe2 Qb6 16. d5 Rc2 17. Qe5 f6 18. Qe1 Qxb5 19. Rd1 Nh6 20. Qe3 Kf7 21. Rfe1 Re8 22. Qf3 Bg4 23. dxe6+ Kg8 24. Qg3 Bxd1 25. Bxh6 Rc7 26. Rxd1 b2 0-1

[Event "AUS-ch U18"]
[Site "Perth"]
[Date "1997.??.??"]
[Round "7"]
[White "Ong, Sean"]
[Black "Chow, Joseph"]
[Result "1/2-1/2"]
[ECO "A51"]
[PlyCount "98"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. Nf3 Bb4+ 5. Nbd2 Nc6 6. Qc2 Nxd2 7. Bxd2 Bxd2+ 8. Qxd2 Qe7 9. g3 Nxe5 10. Nxe5 Qxe5 11. Bg2 0-0 12. 0-0 d6 13. b3 Rb8 14. e3 Bd7 15. Qd4 Qxd4 16. exd4 Rfe8 17. Rfe1 b6 18. Kf1 g5 19. a3 Rxe1+ 20. Rxe1 Re8 21. Rxe8+ Bxe8 22. b4 c5 23. dxc5 dxc5 24. bxc5 bxc5 25. Ke2 Kg7 26. Ke3 Kf6 27. Bb7 Bd7 28. Bd5 h6 29. f4 gxf4+ 30. Kxf4 Bh3 31. Ke3 Bd7 32. Kf4 Bh3 33. Ke3 Bf5 34. Kf4 Bh3 35. Ke3 Bg4 36. Kf4 Bf5 37. Ke3 Bd7 38. Kf4 Bc8 39. Ke3 Bd7 40. Kf4 Bc8 41. Ke3 Bh3 42. Kf4 Bd7 43. Ke3 Be6 44. Bxe6 Kxe6 45. Ke4 f5+ 46. Kf4 Kf6 47. a4 Ke6 48. a5 a6 49. Kf3 Kf7 1/2-1/2

[Event "AUS-ch U18"]
[Site "Perth"]
[Date "1997.??.??"]
[Round "5"]
[White "Ong, Sean"]
[Black "Chow, Michael"]
[Result "0-1"]
[ECO "B01"]
[PlyCount "44"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "AUS"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. c4 e6 6. dxe6 Nc6 7. Be3 Bb4+ 8. Nc3 Qe7 9. Bd3 Bxd3 10. Qxd3 0-0-0 11. Nge2 Ne5 12. Qf5 Nxc4 13. exf7+ Kb8 14. Bf2 Nd5 15. Qe4 Qxf7 16. 0-0-0 Rhe8 17. Qxh7 Nxc3 18. Nxc3 Bxc3 19. bxc3 Re2 20. Qh4 Qf8 21. Kb1 Qf5+ 22. Ka1 Rxa2+ 0-1

