[Event "Wch U20 28th"]
[Site "Tunja"]
[Date "1989.??.??"]
[Round "11"]
[White "Chung, Ronnie"]
[Black "Dao, Thien Hai"]
[Result "1-0"]
[ECO "B25"]
[PlyCount "61"]
[EventDate "1989.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "COL"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 Nf6 5. d3 g6 6. f4 Bg7 7. Nf3 0-0 8. 0-0 a6 9. a4 Bd7 10. h3 Qc7 11. Be3 Rfd8 12. g4 e6 13. Qe1 Nb4 14. Rc1 Bc6 15. f5 exf5 16. gxf5 Re8 17. Qh4 Qd8 18. Bh6 Bf8 19. fxg6 fxg6 20. Ng5 Qe7 21. Rf2 Rad8 22. Rcf1 Rc8 23. Nd1 Qe5 24. Ne3 Qd4 25. Ng4 Nxg4 26. hxg4 Nxc2 27. Kh1 Ne3 28. Bxf8 h5 29. gxh5 Nxf1 30. hxg6 Rc7 31. Qh7+ 1-0

[Event "Wch U20 28th"]
[Site "Tunja"]
[Date "1989.??.??"]
[Round "3"]
[White "Chung, Ronnie"]
[Black "Hsu, Li Yang"]
[Result "0-1"]
[ECO "B01"]
[BlackElo "2315"]
[PlyCount "106"]
[EventDate "1989.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "COL"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. c4 e6 4. dxe6 Bxe6 5. d4 Bb4+ 6. Bd2 Bxd2+ 7. Qxd2 Qe7 8. Qe2 Nc6 9. Nf3 0-0-0 10. Nc3 Rxd4 11. Nd2 Rhd8 12. 0-0-0 Kb8 13. h3 Qc5 14. g4 Qg5 15. Qe3 Qf4 16. Ne2 Qxe3 17. fxe3 Rd3 18. Nd4 Rxe3 19. N2b3 Nxd4 20. Nxd4 Kc8 21. Nxe6 Rxe6 22. Bd3 Ne4 23. Rhf1 f6 24. Rf4 Ng3 25. Rf2 Red6 26. Rfd2 h6 27. c5 Rd4 28. Kc2 c6 29. b4 Kc7 30. Bg6 Ne2 31. Bf5 Rxd2+ 32. Rxd2 Nd4+ 33. Kc3 Nxf5 34. Rxd8 Kxd8 35. gxf5 Kc7 36. Kd4 Kd7 37. Ke4 g5 38. a4 Ke7 39. b5 Kd7 40. Kd4 cxb5 41. axb5 h5 42. Ke4 a5 43. bxa6 bxa6 44. Kd5 g4 45. c6+ Kc7 46. hxg4 hxg4 47. Ke6 g3 48. Kxf6 g2 49. Ke7 g1Q 50. f6 Qe3+ 51. Kf8 a5 52. Kg8 a4 53. f7 a3 0-1

[Event "Wch U20 28th"]
[Site "Tunja"]
[Date "1989.??.??"]
[Round "9"]
[White "Chung, Ronnie"]
[Black "Mamombe, Kudzanai"]
[Result "1-0"]
[ECO "C52"]
[PlyCount "61"]
[EventDate "1989.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "COL"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. 0-0 d6 8. Qb3 Qe7 9. cxd4 Bb6 10. Ba3 Nxd4 11. Nxd4 Bxd4 12. Nc3 Bxc3 13. Qxc3 Qe5 14. Qb3 Nh6 15. Bb2 Qg5 16. f4 Qc5+ 17. Kh1 Rg8 18. e5 Bd7 19. exd6 0-0-0 20. dxc7 Rde8 21. Rad1 Re3 22. Qc2 Qxc7 23. Bd4 Re6 24. Be5 Qc5 25. Rxd7 Rc6 26. Rd4 b5 27. Qb3 Nf5 28. Bxb5 Nxd4 29. Bxd4 Qc2 30. Bxc6 Qxc6 31. Be5 1-0

[Event "Wch U20 28th"]
[Site "Tunja"]
[Date "1989.??.??"]
[Round "5"]
[White "Chung, Ronnie"]
[Black "Parody, Rodolfo"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "51"]
[EventDate "1989.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "COL"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. cxd4 Bd7 8. Bc2 f5 9. exf6 Nxf6 10. 0-0 Bd6 11. Nc3 0-0 12. Bg5 a6 13. a3 Rf7 14. Re1 Qc7 15. Qd3 g6 16. Rab1 Rc8 17. Qd2 Nh5 18. Bd3 Rcf8 19. Rbc1 Nxd4 20. Nxd5 Nxf3+ 21. gxf3 Bxh2+ 22. Kh1 Qd6 23. Ne7+ Kh8 24. Qc3+ Nf6 25. Nxg6+ Kg8 26. Nxf8 1-0

[Event "Wch U20 28th"]
[Site "Tunja"]
[Date "1989.??.??"]
[Round "7"]
[White "Chung, Ronnie"]
[Black "Rodrigues, Adriano Pfuhl"]
[Result "0-1"]
[ECO "A08"]
[PlyCount "61"]
[EventDate "1989.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "COL"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 Bd6 6. Bg2 Nge7 7. 0-0 0-0 8. Re1 Qc7 9. Nf1 d4 10. N3d2 e5 11. Nc4 Be6 12. Nxd6 Qxd6 13. f4 f6 14. f5 Bf7 15. Kh1 c4 16. g4 Rac8 17. Ng3 cxd3 18. cxd3 Nb4 19. Re2 Qa6 20. Rd2 Nxa2 21. Ne2 Qb6 22. h4 Nxc1 23. Nxc1 Rc7 24. g5 Rfc8 25. Bf1 Kh8 26. Rg2 g6 27. h5 gxf5 28. g6 Be6 29. Be2 Qxb2 30. Bf1 Qxa1 31. gxh7 0-1

[Event "Wch U20 28th"]
[Site "Tunja"]
[Date "1989.??.??"]
[Round "2"]
[White "Chung, Ronnie"]
[Black "Segovia, Javier"]
[Result "0-1"]
[ECO "C00"]
[PlyCount "62"]
[EventDate "1989.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "COL"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. g3 c5 5. Bg2 Nc6 6. Ngf3 b5 7. 0-0 Be7 8. e5 Nd7 9. Re1 0-0 10. Nf1 a5 11. h4 a4 12. N1h2 a3 13. b3 Qc7 14. Bf4 Bb7 15. Qe2 d4 16. Ng5 Nb4 17. Ne4 Nd5 18. Qh5 f6 19. exf6 Nxf4 20. gxf4 Nxf6 21. Nxf6+ Rxf6 22. Bxb7 Qxb7 23. Re4 Raf8 24. Qe5 Qc6 25. Rae1 Bd6 26. Qh5 Rxf4 27. Rxe6 Rxf2 28. R1e4 Bxh2+ 29. Kh1 Rxc2 30. Qd1 Qc7 31. Re1 Rcf2 0-1

[Event "Wch U20 28th"]
[Site "Tunja"]
[Date "1989.??.??"]
[Round "10"]
[White "Hokkanen, Petri"]
[Black "Chung, Ronnie"]
[Result "1-0"]
[ECO "E18"]
[PlyCount "76"]
[EventDate "1989.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "COL"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. d5 Nxc3 9. bxc3 Bf6 10. Nd4 e5 11. Nb3 d6 12. e4 Nd7 13. Re1 a5 14. a4 Ba6 15. Bf1 Rb8 16. Be3 Bg5 17. Qd2 Bxe3 18. Qxe3 Nc5 19. Nxc5 bxc5 20. Qd2 Qd7 21. Qc2 Rb7 22. Rab1 Rfb8 23. Rxb7 Rxb7 24. Rb1 Rxb1 25. Qxb1 Qc8 26. Qa2 Kf8 27. h4 Ke7 28. Kh2 c6 29. Bh3 Qb7 30. f4 f6 31. Be6 cxd5 32. Bxd5 Qd7 33. f5 Bb7 34. Qb3 Bxd5 35. cxd5 Qc7 36. c4 Kd7 37. Kh3 Ke7 38. Qb5 Kd8 1-0

[Event "Wch U20 28th"]
[Site "Tunja"]
[Date "1989.??.??"]
[Round "4"]
[White "Melgosa, Marcio"]
[Black "Chung, Ronnie"]
[Result "1-0"]
[ECO "C30"]
[PlyCount "67"]
[EventDate "1989.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "COL"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Bc5 3. f4 d6 4. Nf3 Nc6 5. Na4 Bb6 6. Nxb6 axb6 7. d3 Nge7 8. Be2 exf4 9. Bxf4 Ng6 10. Bg3 0-0 11. 0-0 Qe7 12. Qd2 f6 13. a3 Bd7 14. Rae1 Rfe8 15. d4 Rad8 16. h3 Kh8 17. Bd3 Bc8 18. Kh1 Qf7 19. Bb5 Qe7 20. d5 Nce5 21. Bxe8 Rxe8 22. Nd4 Qf7 23. b3 Bd7 24. Qc3 Bc8 25. a4 h5 26. Nb5 Re7 27. Nxd6 cxd6 28. Qxc8+ Re8 29. Qf5 h4 30. Qh5+ Kg8 31. Bxh4 Nxh4 32. Qxh4 Ng6 33. Qf2 Qc7 34. Qg3 1-0

[Event "Wch U20 28th"]
[Site "Tunja"]
[Date "1989.??.??"]
[Round "8"]
[White "Warner, Delisle"]
[Black "Chung, Ronnie"]
[Result "1/2-1/2"]
[ECO "E17"]
[PlyCount "30"]
[EventDate "1989.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "COL"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. Nc3 Be7 6. d4 Ne4 7. Qc2 Nxc3 8. bxc3 f5 9. d5 0-0 10. Nd4 e5 11. Nxf5 d6 12. Be4 Bf6 13. Nh4 Bxh4 14. Bxh7+ Kh8 15. Qg6 Nd7 1/2-1/2

[Event "Wch U20 28th"]
[Site "Tunja"]
[Date "1989.??.??"]
[Round "6"]
[White "Zulu, David"]
[Black "Chung, Ronnie"]
[Result "0-1"]
[ECO "E43"]
[PlyCount "62"]
[EventDate "1989.08.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "COL"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. a3 Bxc3+ 6. bxc3 Ne4 7. Qc2 Bb7 8. e3 0-0 9. Bd3 f5 10. Bb2 d6 11. 0-0-0 Nd7 12. Qe2 c5 13. Kb1 a6 14. Rhg1 Bc6 15. g4 fxg4 16. Qc2 Nxf2 17. Qxf2 Bxf3 18. Rd2 Nf6 19. Rc2 Ne4 20. Qe1 d5 21. Ka1 Qd7 22. cxd5 exd5 23. c4 b5 24. cxb5 c4 25. Rxc4 dxc4 26. Bxc4+ Kh8 27. bxa6 Rac8 28. Bd3 Qd5 29. a4 Qb3 30. Bb5 Rc2 31. Qb1 Nc3 0-1

