[Event "BRA-ch U20"]
[Site "Brasilia"]
[Date "1999.??.??"]
[Round "2"]
[White "Navarro, Tiago Cunha"]
[Black "Possa, Ronaldo"]
[Result "1-0"]
[ECO "D41"]
[WhiteElo "1870"]
[PlyCount "97"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c5 5. dxc5 Bxc5 6. cxd5 Nxd5 7. Nxd5 exd5 8. e3 Nc6 9. a3 a5 10. Qa4 Bd7 11. Bb5 0-0 12. 0-0 h6 13. Rd1 Be8 14. Bd2 Ne7 15. Bxe8 Rxe8 16. Qg4 Ng6 17. Bc3 Re4 18. Qf5 Ne7 19. Qxe4 dxe4 20. Rxd8+ Rxd8 21. Nd2 f5 22. Nb3 b6 23. Nxc5 bxc5 24. Bxa5 Rd3 25. Bb6 c4 26. g3 Nd5 27. Bd4 c3 28. bxc3 Nxc3 29. Bxc3 Rxc3 30. a4 Rc6 31. Rb1 Ra6 32. Rb5 g6 33. a5 Kf7 34. h4 Ke6 35. h5 g5 36. Kf1 Rd6 37. Ke2 g4 38. Rb6 Rxb6 39. axb6 Kd6 40. Kd2 Kc6 41. Kc3 Kxb6 42. Kd4 Kb5 43. Ke5 Kc4 44. Kxf5 Kd3 45. Kxg4 Ke2 46. Kf4 Kxf2 47. g4 Kg2 48. Kxe4 Kg3 49. Kf5 1-0

[Event "BRA-ch U20"]
[Site "Brasilia"]
[Date "1999.??.??"]
[Round "1"]
[White "Oliveira, Conrado"]
[Black "Possa, Ronaldo"]
[Result "0-1"]
[ECO "B22"]
[PlyCount "62"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 cxd4 4. Bc4 Nf6 5. cxd4 Nxe4 6. Bxf7+ Kxf7 7. Qh5+ g6 8. Qd5+ Ke8 9. Qxe4 Bg7 10. Nf3 Qb6 11. Nc3 Bf5 12. Qd5 e6 13. Qb5+ Nd7 14. Be3 Rc8 15. 0-0 a6 16. Qe2 Qb4 17. Nh4 Rf8 18. Nd5 Qc4 19. Qxc4 Rxc4 20. Nxf5 Rxf5 21. Nf4 Kf7 22. Rac1 Nb6 23. b3 Rc8 24. Rxc8 Nxc8 25. Rc1 Ne7 26. Rc7 Rb5 27. Rd7 d5 28. Nd3 Ke8 29. Rd6 Nf5 30. a4 Rxb3 31. Rxe6+ Kf7 0-1

[Event "Brasilia-Brasileiro"]
[Site "Brazil"]
[Date "1999.??.??"]
[Round "?"]
[White "Possa, Ronaldo"]
[Black "Candido, Wilson"]
[Result "1-0"]
[ECO "B98"]
[PlyCount "45"]
[EventDate "1999.??.??"]
[EventType "match"]
[EventRounds "2"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Be7 7. f4 a6 8. Bc4 b5 9. Bb3 h6 10. Bh4 Nxe4 11. Bxe7 Nxc3 12. Qf3 Qxe7 13. Qxa8 Qc7 14. bxc3 e5 15. fxe5 dxe5 16. 0-0 0-0 17. Rxf7 Rxf7 18. Bxf7+ Kxf7 19. Qd5+ Ke8 20. Qg8+ Kd7 21. Qxg7+ Kd6 22. Qxh6+ Kc5 23. Nb3+ 1-0

[Event "BRA-ch U20"]
[Site "Brasilia"]
[Date "1999.??.??"]
[Round "3"]
[White "Possa, Ronaldo"]
[Black "Oliveira, Tiago Batista"]
[Result "0-1"]
[ECO "C10"]
[BlackElo "1845"]
[PlyCount "70"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Ne7 4. Bf4 a6 5. Nf3 Ng6 6. Bd2 Be7 7. Bd3 c6 8. e5 c5 9. Qe2 Nc6 10. Be3 cxd4 11. Bxd4 Nxd4 12. Nxd4 Nf4 13. Qf3 Nxd3+ 14. Qxd3 Bd7 15. f4 Qb6 16. b3 Bb4 17. Kd1 Rc8 18. Nce2 Qa5 19. a3 Bc3 20. b4 Qc7 21. Nxc3 Qxc3 22. Qxc3 Rxc3 23. Kd2 Rc4 24. Kd3 Ke7 25. g4 Rhc8 26. f5 Ba4 27. Ra2 Rc3+ 28. Kd2 R8c4 29. Re1 Rh3 30. f6+ gxf6 31. exf6+ Kxf6 32. Rf1+ Ke7 33. Nf3 Rxg4 34. Ne5 Rxh2+ 35. Ke3 Re4+ 0-1

[Event "BRA-ch U20"]
[Site "Brasilia"]
[Date "1999.??.??"]
[Round "4"]
[White "Possa, Ronaldo"]
[Black "Silva Cardoso, Henrique"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "54"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 Nf6 5. Nc3 0-0 6. Bg5 c5 7. Qd2 cxd4 8. Nxd4 Qb6 9. Na4 Qc7 10. Bd3 Nbd7 11. f4 Nc5 12. Nc3 Qb6 13. Ke2 Ncxe4 14. Bxe4 Nxe4 15. Nxe4 Qxd4 16. Qxd4 Bxd4 17. Kd3 Bxb2 18. Rab1 Bg7 19. Bxe7 Re8 20. Bh4 Bf5 21. Rhe1 d5 22. g4 Bxe4+ 23. Kd2 Rac8 24. Rxb7 Bc3+ 25. Kc1 Bxe1 26. Bxe1 Rxc2+ 27. Kd1 Rxa2 0-1

[Event "Brasilia-Brasileiro"]
[Site "Brazil"]
[Date "1999.??.??"]
[Round "?"]
[White "Santos, Carlos Antonio"]
[Black "Possa, Ronaldo"]
[Result "1-0"]
[ECO "E81"]
[PlyCount "63"]
[EventDate "1999.??.??"]
[EventType "match"]
[EventRounds "2"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. d4 d6 4. e4 Nf6 5. f3 0-0 6. Be3 c6 7. Qd2 Nbd7 8. h4 h5 9. Nge2 e5 10. 0-0-0 Nb6 11. dxe5 Nxc4 12. exf6 Nxd2 13. fxg7 Nb3+ 14. axb3 Kxg7 15. Bc5 Re8 16. Rxd6 Qa5 17. b4 Qa1+ 18. Kc2 f5 19. Rd1 Qa6 20. Nf4 b5 21. Rd6 fxe4 22. Rxg6+ Kf7 23. Bxb5 Qxb5 24. Nxb5 cxb5 25. Re1 exf3 26. Rxe8 Kxe8 27. Rg8+ Kf7 28. Rf8+ Kg7 29. Nxh5+ Kg6 30. Nf4+ Kg7 31. Ne6+ Kg6 32. gxf3 1-0

[Event "BRA-ch U20"]
[Site "Brasilia"]
[Date "1999.??.??"]
[Round "5"]
[White "Silveira, Jose Ivo"]
[Black "Possa, Ronaldo"]
[Result "0-1"]
[ECO "B50"]
[PlyCount "28"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. 0-0 Nxe4 5. Re1 Nf6 6. Nc3 Bg4 7. d3 Nc6 8. Be3 Ne5 9. Nd5 e6 10. Nxf6+ Qxf6 11. Rf1 Nxf3+ 12. gxf3 Bxf3 13. Qc1 Qg6+ 14. Bg5 h6 0-1

