[Event "Berkeley Peoples op"]
[Site "Berkeley"]
[Date "1999.??.??"]
[Round "?"]
[White "Kastor, Mark"]
[Black "Ong, Diana"]
[Result "0-1"]
[ECO "C40"]
[PlyCount "52"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. exd5 Bd6 4. Bb5+ c6 5. dxc6 Nxc6 6. h3 a6 7. Bxc6+ bxc6 8. Qe2 Qe7 9. d3 f5 10. Nc3 Nf6 11. Bg5 0-0 12. 0-0-0 Rb8 13. d4 e4 14. Nd2 Rxb2 15. Nc4 Rb8 16. Nxd6 Qxd6 17. Kd2 Qxd4+ 18. Ke1 Qxc3+ 19. Bd2 Qxc2 20. f3 exf3 21. Qxf3 Re8+ 22. Kf1 Ne4 23. Bf4 Rb1 24. Bc1 Rxc1 25. Qb3+ Qxb3 26. Rxc1 Qe3 0-1

[Event "Berkeley Peoples op"]
[Site "Berkeley"]
[Date "1999.??.??"]
[Round "?"]
[White "Lum, Michael"]
[Black "Ong, Diana"]
[Result "1-0"]
[ECO "C40"]
[PlyCount "27"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. Nxe5 Bd6 4. d4 Qe7 5. Bd3 dxe4 6. Bxe4 f6 7. Qh5+ Kf8 8. f4 fxe5 9. fxe5 Nf6 10. 0-0 Kg8 11. exf6 Qxe4 12. fxg7 Qxd4+ 13. Kh1 Qxg7 14. Qd5+ 1-0

[Event "Berkeley Peoples op"]
[Site "Berkeley"]
[Date "1999.??.??"]
[Round "?"]
[White "MacLennan, Kris"]
[Black "Ong, Diana"]
[Result "1-0"]
[ECO "C40"]
[PlyCount "77"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. exd5 Bd6 4. Nc3 Nf6 5. d4 e4 6. Ne5 Nbd7 7. Bf4 0-0 8. Bb5 Nb6 9. Qe2 Nbxd5 10. Nxd5 Nxd5 11. Bg3 c6 12. Bc4 Qa5+ 13. Kf1 Re8 14. Nxc6 Qb6 15. Bxd6 bxc6 16. c3 Qd8 17. Be5 Nf6 18. h3 c5 19. Rd1 Be6 20. Bxe6 Rxe6 21. Kg1 Qe7 22. Kh2 Re8 23. Rhe1 Kh8 24. Kg1 Nd7 25. Bf4 f5 26. Be3 g5 27. dxc5 f4 28. Bd4+ Nf6 29. Bxf6+ Qxf6 30. Qc4 f3 31. Qd4 Re5 32. Rxe4 fxg2 33. Rxe5 Rxe5 34. Qd8+ Kg7 35. Qxf6+ Kxf6 36. Rd7 Re2 37. c6 Re7 38. c7 Re8 39. Rd8 1-0

[Event "Berkeley Peoples op"]
[Site "Berkeley"]
[Date "1999.??.??"]
[Round "?"]
[White "Ong, Diana"]
[Black "Fahey, Pat"]
[Result "1-0"]
[ECO "C21"]
[PlyCount "47"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. c3 d6 4. cxd4 c6 5. Nf3 Bg4 6. Bc4 Bxf3 7. Qxf3 Nf6 8. 0-0 Nbd7 9. e5 dxe5 10. Re1 Bd6 11. Bf4 Qc7 12. dxe5 Nxe5 13. Bxe5 Bxe5 14. Qf5 0-0 15. Rxe5 Rad8 16. Re1 Rd4 17. Bb3 b5 18. Nc3 Rfd8 19. Rad1 a5 20. Rxd4 Rxd4 21. Qc5 Qd7 22. Re7 Qd8 23. Bxf7+ Kh8 24. Re8+ 1-0

[Event "Berkeley Peoples op"]
[Site "Berkeley"]
[Date "1999.??.??"]
[Round "?"]
[White "Ong, Diana"]
[Black "Haraldsson, Oskar"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "67"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nc6 3. d4 cxd4 4. cxd4 d6 5. Nf3 g6 6. Nc3 Bg7 7. Bb5 a6 8. Ba4 b5 9. Bb3 Nf6 10. 0-0 b4 11. Nd5 Nxe4 12. Qc2 Nc3 13. bxc3 Bf5 14. Qd1 bxc3 15. Nxc3 0-0 16. Be3 Qa5 17. Rc1 Rac8 18. Ne2 Bg4 19. Bd2 Qh5 20. Ng3 Bxf3 21. gxf3 Qh3 22. Be3 h5 23. Ba4 Nb4 24. Qd2 Nd5 25. Rxc8 Rxc8 26. Rc1 Rxc1+ 27. Qxc1 h4 28. Ne4 Qxf3 29. Qc8+ Bf8 30. Bh6 Qg4+ 31. Qxg4 Bxh6 32. Qxh4 Kh7 33. Bb3 Nf4 34. Qxe7 1-0

[Event "San Mateo Universe op"]
[Site "San Mateo"]
[Date "1995.??.??"]
[Round "?"]
[White "Macabeo, Carlos"]
[Black "Ong, Diana"]
[Result "1-0"]
[ECO "C27"]
[PlyCount "61"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PUR"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Bc5 3. Bc4 Nf6 4. d3 d5 5. Nxd5 Nxd5 6. Bxd5 0-0 7. Qh5 Qf6 8. Nf3 h6 9. Qxe5 Qb6 10. 0-0 Bg4 11. Qf4 Bxf3 12. Qxf3 Nc6 13. Qg4 Ne5 14. Qg3 Ng6 15. Be3 c6 16. Bc4 Bxe3 17. fxe3 Qxb2 18. Qxg6 Kh8 19. Qh5 Qxc2 20. Rxf7 Qd2 21. Rxf8+ Rxf8 22. Qd1 Qxe3+ 23. Kh1 Rf2 24. Qe1 Re2 25. Qh4 b5 26. Qd8+ Kh7 27. Bg8+ Kg6 28. Qd6+ Kg5 29. Qe5+ Kh4 30. g3+ Kg4 31. Qf5# 1-0

[Event "San Mateo Universe op"]
[Site "San Mateo"]
[Date "1995.??.??"]
[Round "?"]
[White "Ong, Diana"]
[Black "Kueffer, Larry"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "39"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PUR"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Be6 5. Nf3 Nf6 6. Bg5 Nbd7 7. Ne5 Be7 8. 0-0 0-0 9. f4 Nb6 10. f5 Bd7 11. Qf3 h6 12. Bh4 Nh7 13. Bf2 c6 14. Nc3 Bd6 15. Rae1 Qc7 16. Be3 Bxe5 17. dxe5 Rae8 18. Bf4 Qd8 19. f6 Ng5 20. Qh5 1-0

[Event "San Mateo Universe op"]
[Site "San Mateo"]
[Date "1995.??.??"]
[Round "?"]
[White "Ong, Diana"]
[Black "Odegaard, Karl Eirik"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "87"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PUR"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Nc6 7. Bc4 Nb6 8. Bb3 dxe5 9. d5 Na5 10. Nc3 Nxb3 11. Qxb3 e6 12. Nxe5 exd5 13. 0-0 Be7 14. Rd1 0-0 15. a4 a5 16. Be3 Bb4 17. Nd3 Nc4 18. Nxb4 Nxe3 19. fxe3 axb4 20. Qxb4 Qg5 21. Nxd5 Bf5 22. Ne7+ Kh8 23. Nxf5 Qxf5 24. e4 Qe5 25. Rd5 Qf4 26. Rf1 Qe3+ 27. Kh1 Rab8 28. Rd7 b6 29. Rb7 h6 30. Re7 Rbc8 31. h3 Rc2 32. Rexf7 Rxf7 33. Rxf7 Rc1+ 34. Kh2 Qg1+ 35. Kg3 Qe3+ 36. Rf3 Qg5+ 37. Kh2 Qe5+ 38. Rg3 Rf1 39. Qxb6 h5 40. Qd8+ Kh7 41. Qg5 Qxb2 42. e5 g6 43. Qxg6+ Kh8 44. Qg7# 1-0

[Event "San Mateo Universe op"]
[Site "San Mateo"]
[Date "1995.??.??"]
[Round "?"]
[White "Rothbach, Brian"]
[Black "Ong, Diana"]
[Result "0-1"]
[ECO "C40"]
[PlyCount "60"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "PUR"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. Nxe5 Bd6 4. d4 Ne7 5. Bg5 0-0 6. Bxe7 Qxe7 7. Nc3 dxe4 8. Nc4 Nc6 9. d5 Ne5 10. Nxd6 Qxd6 11. a3 Bf5 12. Be2 Qg6 13. Rg1 Rfe8 14. g4 Nf3+ 15. Bxf3 exf3+ 16. Kf1 Bxg4 17. Rg3 f5 18. Qd2 h5 19. h4 Qf6 20. Qg5 Qxg5 21. hxg5 h4 22. Rxg4 fxg4 23. Nd1 Re2 24. Rc1 Rae8 25. Ne3 g3 26. b4 Rxf2+ 27. Kg1 Rxe3 28. g6 Rfe2 29. Kf1 g2+ 30. Kg1 Re1+ 0-1

[Event "California State-ch 9495"]
[Site "California"]
[Date "1994.??.??"]
[Round "?"]
[White "Aigner, Michael"]
[Black "Ong, Diana"]
[Result "1/2-1/2"]
[ECO "A03"]
[PlyCount "103"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. f4 d5 2. b3 e5 3. fxe5 f6 4. Bb2 fxe5 5. Bxe5 Nc6 6. Bg3 Nf6 7. Nf3 Be7 8. Bh4 0-0 9. e3 Bg4 10. Be2 Qe8 11. 0-0 Qh5 12. Bg3 Ne4 13. Qe1 Nxg3 14. hxg3 Rf6 15. Nc3 Raf8 16. Nxd5 Rh6 17. Nf4 Rxf4 18. gxf4 Bxf3 19. Bc4+ Kh8 20. Rxf3 Qh1+ 21. Kf2 Bh4+ 22. Ke2 Bxe1 23. Rxe1 Qxg2+ 24. Rf2 Qg4+ 25. Kd3 Qg3 26. Ree2 Qg6+ 27. Kc3 Qf6+ 28. d4 Rh3 29. Kb2 Rxe3 30. Rxe3 Qxd4+ 31. c3 Qxe3 32. Re2 Qxe2+ 33. Bxe2 Kg8 34. Bf3 Kf7 35. Kc2 g6 36. Kd3 Kf6 37. Be4 Nd8 38. Ke3 c6 39. Kf3 h5 40. Bd3 h4 41. Kg4 Ne6 42. Kxh4 Nxf4 43. Bc2 g5+ 44. Kg4 Nd5 45. Bd3 Nxc3 46. a4 Nd1 47. Be2 Nb2 48. Kf3 g4+ 49. Kxg4 Ke5 50. Kg5 Kd4 51. Bg4 Kc3 52. Be6 1/2-1/2

[Event "California State-ch 9495"]
[Site "California"]
[Date "1994.??.??"]
[Round "?"]
[White "Nelson, Donald"]
[Black "Ong, Diana"]
[Result "1-0"]
[ECO "C24"]
[PlyCount "13"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d4 Nxe4 4. dxe5 Nxf2 5. Bxf7+ Kxf7 6. Qf3+ Kg8 7. Qd5# 1-0

[Event "California State-ch 9495"]
[Site "California"]
[Date "1994.??.??"]
[Round "?"]
[White "Odegaard, Karl Eirik"]
[Black "Ong, Diana"]
[Result "1-0"]
[ECO "C40"]
[PlyCount "73"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. exd5 Bd6 4. Nc3 Nf6 5. Bb5+ c6 6. dxc6 bxc6 7. Bc4 0-0 8. d3 Bg4 9. 0-0 h6 10. Be3 Nbd7 11. Ne4 Nb6 12. Bb3 Nbd5 13. Ng3 Re8 14. h3 Bd7 15. Re1 a5 16. c3 a4 17. Bxa4 Qa5 18. Bb3 Reb8 19. Nh4 Bf8 20. Nhf5 c5 21. Bd2 Qa6 22. Bc4 Qe6 23. b3 Bd6 24. Ne3 Nxe3 25. Rxe3 Qe7 26. f4 Rb7 27. fxe5 Bxe5 28. d4 cxd4 29. cxd4 Bxd4 30. Qf3 Bxe3+ 31. Bxe3 Rbb8 32. Qf2 Rc8 33. Bd4 Be6 34. Bxe6 Qxe6 35. Re1 Qd6 36. Nf5 Qc6 37. Ne7+ 1-0

[Event "California State-ch 9495"]
[Site "California"]
[Date "1994.??.??"]
[Round "?"]
[White "Ong, Diana"]
[Black "Gullmes, Ake"]
[Result "1-0"]
[ECO "C15"]
[PlyCount "87"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd3 Ne7 5. Qg4 Ng6 6. Nf3 c5 7. dxc5 d4 8. a3 Bxc5 9. Ne2 e5 10. Qg3 Nd7 11. 0-0 0-0 12. Ng5 h6 13. Nh3 Nf6 14. f4 exf4 15. Bxf4 Nh5 16. Qf3 Nhxf4 17. Nhxf4 Ne5 18. Qh5 Qd6 19. Nd5 Bg4 20. Nf6+ gxf6 21. Qxh6 Ng6 22. Nf4 f5 23. exf5 Bxf5 24. Nh5 Qe5 25. Rae1 Qh8 26. Qxh8+ Kxh8 27. Rxf5 Rac8 28. Ref1 Rc7 29. Nf6 Kg7 30. h4 Be7 31. h5 Bxf6 32. Rxf6 Nh8 33. g4 Rc6 34. g5 Rxf6 35. Rxf6 Re8 36. h6+ Kg8 37. Bc4 Re5 38. g6 Rg5+ 39. Kf2 Rxg6 40. Bxf7+ Nxf7 41. Rxg6+ Kh7 42. Re6 Nxh6 43. Re7+ Kg6 44. Rxb7 1-0

[Event "California State-ch 9495"]
[Site "California"]
[Date "1994.??.??"]
[Round "?"]
[White "Ong, Diana"]
[Black "Spate, Louis"]
[Result "1-0"]
[ECO "B27"]
[PlyCount "97"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 g6 3. d4 cxd4 4. cxd4 Bg7 5. Nf3 e6 6. Bd3 Qb6 7. 0-0 Bxd4 8. Nxd4 Qxd4 9. Nc3 a6 10. Be3 Qg7 11. f4 Ne7 12. Qd2 Nbc6 13. e5 h5 14. Ne4 0-0 15. Nf6+ Kh8 16. f5 Ng8 17. Nxh5 Qh7 18. fxg6 Qxh5 19. Rf3 fxg6 20. Rh3 Qxh3 21. gxh3 Nxe5 22. Bd4 d6 23. Qg2 Rf6 24. Bxg6 Ne7 25. Be4 Bd7 26. Kh1 Rg8 27. Qe2 Rh6 28. Bxe5+ dxe5 29. Rf1 Bb5 30. Qe3 Rh4 31. Rf6 Rg7 32. Rh6+ Rxh6 33. Qxh6+ Kg8 34. Qxe6+ Kf8 35. Bxb7 Bf1 36. Qh6 Nf5 37. Qf6+ Rf7 38. Qh8+ Ke7 39. Qxe5+ Kf8 40. Bg2 Bxg2+ 41. Kxg2 Nh4+ 42. Kg3 Ng6 43. Qd6+ Kg7 44. Kg4 Rf6 45. Qd4 Kf7 46. Kg5 Re6 47. Qd5 Ne7 48. Qb3 a5 49. h4 1-0

[Event "California State-ch 9495"]
[Site "California"]
[Date "1994.??.??"]
[Round "?"]
[White "Ong, Diana"]
[Black "Wu, Chi An"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "71"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. cxd4 d6 6. Nf3 Bg4 7. Be2 Nc6 8. 0-0 dxe5 9. dxe5 e6 10. Qb3 Qc7 11. Nc3 Nxc3 12. Qxc3 Rc8 13. Bf4 Be7 14. Rac1 0-0 15. Bb5 Bxf3 16. Qxf3 Qb6 17. Bxc6 Rxc6 18. Rxc6 bxc6 19. b3 f6 20. exf6 Rxf6 21. Be3 Qa6 22. Qe4 Qxa2 23. Qxc6 Qxb3 24. Qe8+ Bf8 25. Bxa7 Rg6 26. Bc5 Qf3 27. Qxf8+ Qxf8 28. Bxf8 Kxf8 29. Ra1 Kf7 30. Ra5 Kf6 31. f4 Rg4 32. g3 g5 33. fxg5+ Rxg5 34. Rxg5 Kxg5 35. Kg2 h5 36. Kf3 1/2-1/2

[Event "CalChess Season opener"]
[Site "California"]
[Date "1993.??.??"]
[Round "?"]
[White "Addison, Patrick"]
[Black "Ong, Diana"]
[Result "1/2-1/2"]
[ECO "A25"]
[PlyCount "86"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 Bc5 5. e3 0-0 6. Nge2 Re8 7. 0-0 d6 8. d4 Bb6 9. Na4 Bf5 10. Nxb6 axb6 11. a3 e4 12. b4 d5 13. c5 bxc5 14. bxc5 Ne7 15. Qb3 Rb8 16. Bd2 Ng6 17. a4 Qd7 18. Rfc1 Bh3 19. Rab1 Qf5 20. Nf4 Nxf4 21. exf4 Qg4 22. c6 b6 23. a5 Re6 24. axb6 Rxb6 25. Qa4 h6 26. Rxb6 cxb6 27. c7 Re8 28. Qxe8+ Nxe8 29. c8Q Qxc8 30. Rxc8 Bxc8 31. Bb4 Nc7 32. Kf1 Na6 33. Bd6 f5 34. Ke2 Kf7 35. f3 Ke6 36. Bf8 Kf6 37. Bh3 b5 38. fxe4 dxe4 39. d5 b4 40. Kd2 b3 41. Kc3 e3 42. Bf1 Nc7 43. Bc4 Bd7 1/2-1/2

[Event "LERA Class-ch 30th"]
[Site "USA"]
[Date "1993.??.??"]
[Round "?"]
[White "Augusts, Gundars"]
[Black "Ong, Diana"]
[Result "1-0"]
[ECO "C40"]
[PlyCount "47"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. exd5 e4 4. Qe2 Nf6 5. Nc3 Qe7 6. Nd4 c5 7. dxc6 Nxc6 8. Nxc6 bxc6 9. d3 Bg4 10. Qe3 Rd8 11. Bd2 Nd5 12. Qxe4 Nf6 13. Qxe7+ Bxe7 14. h3 Be6 15. 0-0-0 0-0 16. g4 a5 17. Bg2 Rc8 18. a3 c5 19. Ne4 c4 20. Bxa5 Nxe4 21. Bxe4 cxd3 22. Bxd3 Rb8 23. Bc3 Bd5 24. Bxh7+ 1-0

[Event "CalChess Season opener"]
[Site "California"]
[Date "1993.??.??"]
[Round "?"]
[White "Gordon, Cyril"]
[Black "Ong, Diana"]
[Result "1-0"]
[ECO "D08"]
[PlyCount "43"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. a3 a5 6. e3 Bc5 7. Bd3 Nge7 8. 0-0 Bg4 9. Be4 Qd7 10. Qa4 0-0 11. Rd1 Rad8 12. Nc3 Qc8 13. Nd5 Nxd5 14. cxd5 Nxe5 15. Nxe5 Bxd1 16. Qxd1 dxe3 17. fxe3 Rfe8 18. Qh5 g6 19. Qg5 Bd6 20. Ng4 Rxe4 21. Nf6+ Kg7 22. Nxe4 1-0

[Event "Berkeley op U18"]
[Site "Berkeley"]
[Date "1993.??.??"]
[Round "?"]
[White "Hammack, Robert"]
[Black "Ong, Diana"]
[Result "0-1"]
[ECO "D05"]
[PlyCount "98"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 c5 4. c3 e6 5. Nbd2 Bd6 6. g3 0-0 7. Bg2 Nc6 8. 0-0 Re8 9. dxc5 Bxc5 10. c4 e5 11. cxd5 Nxd5 12. Nc4 e4 13. Nfe5 Nxe5 14. Nxe5 Rxe5 15. Bxe4 Rxe4 16. f3 Re8 17. a3 Bxe3+ 18. Bxe3 Rxe3 19. Qd4 Bh3 20. Rf2 Qa5 21. Rd2 Qb6 22. Qxb6 Nxb6 23. Rad1 Kf8 24. Kf2 Rb3 25. g4 Nc4 26. Rd7 Rxb2+ 27. Kg3 Bxg4 28. Kxg4 Ne3+ 29. Kf4 Nxd1 30. Rxd1 Ke7 31. Re1+ Kf6 32. Kg4 Rxh2 33. Re4 Rg2+ 34. Kh3 Rg5 35. f4 Rf5 36. Kg4 h5+ 37. Kf3 g5 38. Ke3 Rxf4 39. Rxf4+ gxf4+ 40. Kxf4 Re8 41. Kf3 Kf5 42. Kg2 Kf4 43. Kh3 h4 44. Kg2 Re3 45. Kf2 Re5 46. a4 h3 47. Kg1 Kg3 48. Kf1 a5 49. Kg1 Re1# 0-1

[Event "Labor Day Festival op"]
[Site "California"]
[Date "1993.??.??"]
[Round "?"]
[White "Hopkins, Robert"]
[Black "Ong, Diana"]
[Result "1/2-1/2"]
[ECO "C40"]
[PlyCount "79"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. exd5 Bd6 4. d3 Nf6 5. Bg5 0-0 6. Nc3 Re8 7. Ne4 Be7 8. Be2 Nxd5 9. Bxe7 Qxe7 10. 0-0 Nc6 11. a3 Nf4 12. c3 Bf5 13. Re1 Rad8 14. Qb3 b6 15. Qb5 Qd7 16. Bf1 Nd4 17. Nxd4 exd4 18. Qxd7 Bxd7 19. g3 Ne6 20. Bh3 Kf8 21. Rac1 dxc3 22. Rxc3 Bb5 23. Bxe6 Rxe6 24. Rxc7 Bxd3 25. Rxf7+ Kg8 26. f3 Kxf7 27. Ng5+ Kf6 28. Nxe6 Re8 29. Rd1 Be2 30. Nc7 Bxd1 31. Nxe8+ Kf7 32. Nd6+ Ke6 33. Nc8 Bxf3 34. Nxa7 Kd5 35. Kf2 Ke4 36. Nb5 Bh5 37. Nc3+ Kd4 38. Ke1 Bf7 39. Kd2 Bb3 40. a4 1/2-1/2

[Event "Labor Day Festival op"]
[Site "California"]
[Date "1993.??.??"]
[Round "?"]
[White "McGill, Dan"]
[Black "Ong, Diana"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "68"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. e3 e5 3. c3 Bd6 4. Bd3 Nf6 5. Nd2 Nc6 6. Bc2 0-0 7. Ne2 Re8 8. 0-0 Be6 9. dxe5 Nxe5 10. Nd4 Bg4 11. Qe1 c5 12. Ne2 Qd7 13. f3 Bh5 14. Nf4 d4 15. Ne4 Nxe4 16. Bxe4 Bg6 17. Nxg6 Nxg6 18. c4 Kh8 19. Bd5 dxe3 20. Qc3 Be5 21. Qd3 Nf4 22. Qb3 Bd4 23. Re1 e2+ 24. Kh1 Nxd5 25. cxd5 Bf2 26. Bf4 Bxe1 27. Rxe1 Rad8 28. d6 Qf5 29. Bg3 Rd7 30. Kg1 Qe6 31. Qd3 Qe3+ 32. Qxe3 Rxe3 33. Kf2 Re8 34. Bh4 Rxd6 0-1

[Event "Berkeley op U18"]
[Site "Berkeley"]
[Date "1993.??.??"]
[Round "?"]
[White "Meyer, Brant"]
[Black "Ong, Diana"]
[Result "0-1"]
[ECO "C20"]
[PlyCount "70"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. d3 d5 3. exd5 Qxd5 4. Nc3 Qd8 5. Nf3 Bd6 6. Be3 Nf6 7. Be2 0-0 8. 0-0 c5 9. Bg5 Be6 10. Nb5 Be7 11. Nxe5 a6 12. Nc3 Qc7 13. Ng4 Nbd7 14. Nxf6+ Nxf6 15. Bf3 h6 16. Bf4 Qb6 17. Ne4 Qxb2 18. Nxf6+ Qxf6 19. Bxb7 Rad8 20. Qd2 Bf5 21. Bxa6 Qxa6 22. Rfe1 Bf6 23. Re3 Bxa1 24. Rg3 Kh7 25. c3 Rxd3 26. Qc1 Bb2 27. Qe1 Bxc3 28. Qc1 Bb2 29. Qe1 Qa5 30. Qf1 Rfd8 31. h3 Rd1 32. Qxd1 Rxd1+ 33. Kh2 Qe1 34. Rb3 Qxf2 35. Be3 Qe2 0-1

[Event "Berkeley op U18"]
[Site "Berkeley"]
[Date "1993.??.??"]
[Round "?"]
[White "Ong, Diana"]
[Black "Asuncion, Matthew"]
[Result "1/2-1/2"]
[ECO "C21"]
[PlyCount "115"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 cxb2 5. Bxb2 Bb4+ 6. Nc3 Qe7 7. Qe2 d6 8. 0-0-0 Qg5+ 9. Kb1 Nf6 10. Nd5 Nxd5 11. Bxd5 Nd7 12. Nf3 Qe7 13. Qe3 Nf6 14. Qf4 c6 15. a3 Bc5 16. Ba2 Qxe4+ 17. Qxe4+ Nxe4 18. Rhe1 d5 19. Ng5 f5 20. f3 Bf2 21. Re2 Bh4 22. Nh3 f4 23. fxe4 Bg4 24. Red2 Bxd1 25. Rxd1 dxe4 26. Rd4 g5 27. Rxe4+ Kd7 28. Bxh8 Rxh8 29. Nxf4 gxf4 30. Rxf4 Be7 31. Ra4 a6 32. Rd4+ Kc7 33. Be6 Rd8 34. Rxd8 Kxd8 35. a4 Bd6 36. h4 Bg3 37. h5 h6 38. Kc2 Kc7 39. Kd3 Kb6 40. Ke3 Ka5 41. Kf3 Be5 42. Ke4 Bg3 43. Kf3 Be5 44. Ke4 Ba1 45. g4 Kxa4 46. Kf5 c5 47. Kg6 b5 48. Kxh6 c4 49. g5 c3 50. Bf5 Kb3 51. g6 c2 52. Bxc2+ Kxc2 53. g7 Bxg7+ 54. Kxg7 b4 55. h6 b3 56. h7 b2 57. h8Q b1Q 58. Qc8+ 1/2-1/2

[Event "Labor Day Festival op"]
[Site "California"]
[Date "1993.??.??"]
[Round "?"]
[White "Ong, Diana"]
[Black "Avila, Glenn"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "45"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 Nf6 5. Bd3 g6 6. Nf3 Bg7 7. 0-0 0-0 8. Be3 Nc6 9. Nc3 Ng4 10. Bf4 Nxd4 11. Nxd4 Bxd4 12. Be2 Bxc3 13. bxc3 Ne5 14. Bh6 Re8 15. f4 Nc6 16. Rf3 Bg4 17. Rg3 Bxe2 18. Qxe2 e6 19. Bg5 Qd7 20. Bf6 h6 21. Qh5 Kh7 22. Qh3 Ne7 23. Qxh6+ 1-0

[Event "Labor Day Festival op"]
[Site "California"]
[Date "1993.??.??"]
[Round "?"]
[White "Ong, Diana"]
[Black "Baker, Jonathan"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "46"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 e6 6. Bd3 Nc6 7. 0-0 cxd4 8. cxd4 Be7 9. Nc3 Qd6 10. Be3 0-0 11. Qd2 a6 12. a4 b6 13. Rac1 Bb7 14. Qe2 Rad8 15. d5 Nb4 16. Bc4 Nfxd5 17. Nxd5 Nxd5 18. Rfd1 Qb4 19. Bxd5 Bxd5 20. Rc7 Bc4 21. Qc2 Bb3 22. Bd2 Bxc2 23. Bxb4 Rxd1+ 0-1

[Event "LERA Class-ch 30th"]
[Site "USA"]
[Date "1993.??.??"]
[Round "?"]
[White "Ong, Diana"]
[Black "Butler, James"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "53"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. cxd4 Nf6 5. Nc3 e6 6. Bd3 Nc6 7. Nf3 a6 8. 0-0 Be7 9. Bf4 b5 10. a3 Bb7 11. Bg3 Nh5 12. Ne2 Nxg3 13. Nxg3 Bf6 14. Bc2 g6 15. Re1 0-0 16. Qd2 Qb6 17. Rad1 Rac8 18. Bb1 Rfd8 19. h4 h5 20. e5 dxe5 21. Qh6 Bg7 22. Qg5 Nxd4 23. Nxe5 f6 24. Qxg6 fxe5 25. Nxh5 Qc7 26. Nf6+ Kf8 27. Nh7+ 1/2-1/2

[Event "Labor Day Festival op"]
[Site "California"]
[Date "1993.??.??"]
[Round "?"]
[White "Ong, Diana"]
[Black "Butler, James"]
[Result "1/2-1/2"]
[ECO "E90"]
[PlyCount "69"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[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 0-0 5. e4 d6 6. Bd3 Nbd7 7. 0-0 e5 8. Be3 Ng4 9. Bg5 Qe8 10. Nxe5 Ndxe5 11. dxe5 Qxe5 12. f4 Qd4+ 13. Kh1 Nf2+ 14. Rxf2 Qxf2 15. Qb3 h6 16. Rf1 Qe3 17. Nd5 Qc5 18. Bh4 Kh8 19. Bf6 Bxf6 20. Nxf6 Qd4 21. Nd5 c6 22. Nb4 c5 23. Nc2 Qg7 24. f5 gxf5 25. exf5 f6 26. Rf3 Qg5 27. Ne3 b6 28. Qd1 Qh5 29. Be2 Bb7 30. Rg3 Qe8 31. Bh5 Qe4 32. Bg6 Rg8 33. Nf1 Qf4 34. h3 Be4 35. Rg4 1/2-1/2

[Event "CalChess Season opener"]
[Site "California"]
[Date "1993.??.??"]
[Round "?"]
[White "Ong, Diana"]
[Black "Lazzaro, Mark"]
[Result "0-1"]
[ECO "C21"]
[PlyCount "96"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 d6 5. Nxc3 Nf6 6. Nf3 Be7 7. Ng5 0-0 8. Qb3 Qe8 9. Nb5 Bd8 10. Qf3 d5 11. Be2 Bg4 12. Qe3 Bxe2 13. Qxe2 Nxe4 14. 0-0 Nxg5 15. Qxe8 Rxe8 16. Bxg5 f6 17. Rfe1 Rxe1+ 18. Rxe1 Kf7 19. Bf4 Na6 20. Rd1 c6 21. Nd6+ Kg6 22. Nxb7 Bc7 23. Bxc7 Nxc7 24. Nd6 Rb8 25. Rd3 f5 26. b3 Nb5 27. Nxb5 Rxb5 28. a4 Rc5 29. Kf1 Rc2 30. Ke1 a5 31. h3 h5 32. g3 Kf6 33. Rd4 g5 34. b4 axb4 35. Rxb4 Ke6 36. a5 Kd6 37. Ra4 Kc7 38. a6 Kb8 39. a7+ Ka8 40. f4 g4 41. hxg4 hxg4 42. Ra3 d4 43. Ra4 c5 44. Kd1 d3 45. Ra1 c4 46. Ra3 Rg2 47. Rc3 Rxg3 48. Rxc4 Rf3 0-1

[Event "CalChess Season opener"]
[Site "California"]
[Date "1993.??.??"]
[Round "?"]
[White "Ong, Diana"]
[Black "Martin, William"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "65"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 Nf6 3. Bd3 d5 4. e5 Ng4 5. h3 Nh6 6. Nf3 e6 7. 0-0 g6 8. Bg5 Qb6 9. Qd2 Nf5 10. Nc3 Qxb2 11. Rab1 Qa3 12. Ne2 Qxa2 13. Ra1 Qb2 14. Rfb1 Qxa1 15. Rxa1 Bh6 16. Bxh6 Nxh6 17. Qxh6 Nd7 18. Qg7 Rf8 19. Ng5 b6 20. Nxh7 Kd8 21. Nxf8 Kc7 22. Nxd7 Bxd7 23. Qxf7 g5 24. c4 a6 25. cxd5 cxd5 26. Rc1+ Kd8 27. Qf6+ Ke8 28. Qh8+ Kf7 29. Qxa8 Ke7 30. Qh8 Be8 31. Rc7+ Kd8 32. Qh7 Bd7 33. Qxd7# 1-0

[Event "Berkeley op U18"]
[Site "Berkeley"]
[Date "1993.??.??"]
[Round "?"]
[White "Ong, Diana"]
[Black "Parker, Anton"]
[Result "0-1"]
[ECO "C21"]
[PlyCount "66"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 Nf6 5. Nxc3 d6 6. Nge2 Nc6 7. 0-0 Be7 8. Bf4 0-0 9. Re1 Be6 10. Bd3 Nb4 11. Nd4 Nxd3 12. Qxd3 Nh5 13. Be3 Bg5 14. Rad1 Bxe3 15. Qxe3 Qf6 16. Qe2 Nf4 17. Qf3 a6 18. Re3 Qg5 19. Kh1 h6 20. Nxe6 fxe6 21. e5 Nd5 22. Qh3 Nxe3 23. fxe3 Qxe5 24. a3 Qf6 25. g3 Qf3+ 26. Kg1 Qf2+ 27. Kh1 Rf7 28. Qxe6 Raf8 29. Nd5 Qf3+ 30. Kg1 Qxd1+ 31. Kg2 Qf3+ 32. Kg1 Qf2+ 33. Kh1 Qf1# 0-1

[Event "CalChess Season opener"]
[Site "California"]
[Date "1993.??.??"]
[Round "?"]
[White "Ong, Diana"]
[Black "Prakash, Nikhil"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "35"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 b6 4. Nf3 Nc6 5. Bb5 Bd7 6. Qc2 a6 7. Bxc6 Bxc6 8. Bf4 g6 9. 0-0 Bg7 10. Nbd2 e6 11. Rad1 Qf6 12. Bg5 Bxe4 13. Nxe4 Qf5 14. Nxd6+ Kd7 15. Nxf5 gxf5 16. dxc5+ Kc7 17. cxb6+ Kxb6 18. Qb3+ 1-0

[Event "Berkeley op U18"]
[Site "Berkeley"]
[Date "1993.??.??"]
[Round "?"]
[White "Ong, Diana"]
[Black "Stryker, David"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "47"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nc6 5. Nf3 Bg4 6. Be3 Nf6 7. 0-0 Bd6 8. Re1 Qd7 9. c4 Bb4 10. Bd2+ Kd8 11. c5 Re8 12. Rxe8+ Qxe8 13. Bb5 Qe4 14. Bxc6 bxc6 15. Bxb4 Rb8 16. Bc3 Kd7 17. Nbd2 Qd3 18. Ne5+ Kc8 19. Nxd3 Bxd1 20. Rxd1 Kb7 21. Nb3 Ka8 22. Na5 Rb5 23. a4 Rb8 24. Nb4 1-0

[Event "Berkeley op U18"]
[Site "Berkeley"]
[Date "1993.??.??"]
[Round "?"]
[White "Peterson, Andrea"]
[Black "Ong, Diana"]
[Result "1-0"]
[ECO "C24"]
[PlyCount "43"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[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 Nf6 4. d3 d5 5. exd5 Nxd5 6. Bxd5 Qxd5 7. Nc3 Qd8 8. h3 Bd6 9. 0-0 0-0 10. Be3 Be6 11. Qe2 Qe8 12. a3 f5 13. Bd2 f4 14. Ne4 Rd8 15. Bc3 Nd4 16. Bxd4 exd4 17. Nxd4 c5 18. Nxe6 Qxe6 19. Qf3 Bc7 20. Nxc5 Qh6 21. Rfe1 b6 22. Ne6 1-0

[Event "CalChess Season opener"]
[Site "California"]
[Date "1993.??.??"]
[Round "?"]
[White "Rothbach, Brian"]
[Black "Ong, Diana"]
[Result "1/2-1/2"]
[ECO "D03"]
[PlyCount "72"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bg5 e6 4. Nf3 Be7 5. e3 0-0 6. Bd3 Bd7 7. 0-0 h6 8. Bf4 c5 9. dxc5 Nc6 10. Ne5 Nxe5 11. Bxe5 Bxc5 12. Nb5 a6 13. Nd4 Re8 14. c4 Bb6 15. cxd5 exd5 16. Bg3 Bc7 17. Bxc7 Qxc7 18. Rc1 Qe5 19. Qd2 Ng4 20. f4 Qh5 21. g3 Rxe3 22. Rf3 Rae8 23. b3 Bc6 24. Rxe3 Rxe3 25. Rc2 Bd7 26. a4 b5 27. axb5 axb5 28. Nxb5 f5 29. Nd4 Kf8 30. Rb2 Ke7 31. Nb5 g5 32. Nc3 Be6 33. Bxf5 gxf4 34. Bxg4 Qxg4 35. Nxd5+ Bxd5 36. Qxd5 Kf6 1/2-1/2

[Event "Labor Day Festival op"]
[Site "California"]
[Date "1993.??.??"]
[Round "?"]
[White "Sinoe, Era"]
[Black "Ong, Diana"]
[Result "1/2-1/2"]
[ECO "A00"]
[PlyCount "41"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. Nc3 d4 4. Ne2 Bd6 5. d3 Nf6 6. g3 0-0 7. Bg2 Be6 8. c3 c5 9. h3 Nc6 10. 0-0 Qe7 11. Bg5 h6 12. Bd2 Nh7 13. Qc1 c4 14. cxd4 cxd3 15. d5 dxe2 16. Re1 Bd7 17. dxc6 Bxc6 18. Rxe2 Nf6 19. Nh4 Qd7 20. Nf5 Rac8 21. Bxh6 1/2-1/2

[Event "Silicon Valley-ch"]
[Site "Silicon Valley"]
[Date "1993.??.??"]
[Round "?"]
[White "Skinner, Loren"]
[Black "Ong, Diana"]
[Result "0-1"]
[ECO "D08"]
[PlyCount "46"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. e3 Nc6 5. Nf3 Bc5 6. Bd3 Nge7 7. Ng5 Ng6 8. Bxg6 Qxg5 9. Be4 Qxe5 10. Bxc6+ bxc6 11. 0-0 0-0 12. Re1 Re8 13. a3 dxe3 14. Bxe3 Bd6 15. Nc3 Qxh2+ 16. Kf1 Qh1+ 17. Ke2 Bg4+ 18. Kd2 Qh4 19. Qc2 Rad8 20. Kc1 Rxe3 21. Rxe3 Qh1+ 22. Nd1 Bf4 23. Qd2 Bxe3 0-1

[Event "LERA Memorial Day op"]
[Site "USA"]
[Date "1992.??.??"]
[Round "?"]
[White "Ong, Diana"]
[Black "Shapiro, Uri"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "54"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. d4 e6 4. exd5 exd5 5. Be3 c4 6. Be2 Nc6 7. Nf3 Nf6 8. 0-0 Bd6 9. b3 cxb3 10. axb3 0-0 11. c4 Bg4 12. Ne5 Bxe2 13. Qxe2 Nxe5 14. dxe5 Bxe5 15. Bxa7 Bxa1 16. Be3 dxc4 17. Rd1 Qc7 18. bxc4 Be5 19. g3 Bd6 20. Rd4 Bc5 21. Bf4 Qb6 22. Rd1 Rfe8 23. Qf3 Ra1 24. Qd3 Bxf2+ 25. Kf1 Bg1 26. Kg2 Qf2+ 27. Kh3 Qxh2# 0-1

