[Event "BRA-ch U16"]
[Site "Porto Belo"]
[Date "1998.??.??"]
[Round "2"]
[White "Medeiros, Matheus"]
[Black "Pereira, Thiago Henrique"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "64"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d6 2. c4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. e3 c6 6. Bd3 0-0 7. Nf3 Nbd7 8. Qc2 Qc7 9. 0-0-0 a6 10. Rdg1 b5 11. a3 Bb7 12. g4 c5 13. d5 b4 14. axb4 cxb4 15. Ne4 Nxe4 16. Bxe4 Nc5 17. b3 Qa5 18. Kd2 Qa3 19. Rb1 Bc8 20. Bxe7 Re8 21. Bxg6 fxg6 22. Bxd6 Ne4+ 23. Ke2 Nxd6 24. h3 Nf5 25. Rbd1 Nd6 26. c5 a5 27. cxd6 Ba6+ 28. Ke1 Rec8 29. Qe4 Bc3+ 30. Nd2 Bxd2+ 31. Kxd2 Qb2+ 32. Ke1 Qe2# 0-1

[Event "BRA-ch U16"]
[Site "Porto Belo"]
[Date "1998.??.??"]
[Round "5"]
[White "Medeiros, Matheus"]
[Black "Rodrigues, Roberto"]
[Result "0-1"]
[ECO "B03"]
[PlyCount "88"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Bc4 Nb6 5. Bb3 dxe5 6. dxe5 Qxd1+ 7. Kxd1 Nc6 8. Nf3 Bg4 9. Ke1 Bxf3 10. gxf3 Nxe5 11. Bf4 Nxf3+ 12. Ke2 Nd4+ 13. Kf1 Nxb3 14. axb3 c6 15. Be3 Nd5 16. Bd4 b6 17. Nc3 Nxc3 18. bxc3 c5 19. Be5 f6 20. Bc7 e5 21. Bxb6 Bd6 22. Rxa7 Rxa7 23. Bxa7 Kf7 24. b4 cxb4 25. c4 Ra8 26. Be3 Rc8 27. Ke2 Rxc4 28. Kd3 Rc3+ 29. Kd2 Bc5 30. Rb1 Bxe3+ 31. fxe3 Rc4 32. Kd3 Rh4 33. e4 Rxh2 34. Rxb4 h5 35. c4 Rh3+ 36. Kc2 Ra3 37. c5 Ra8 38. c6 Rc8 39. Rb7+ Kf8 40. c7 Ke7 41. Kc3 Kd7 42. Kd3 Rxc7 43. Rxc7+ Kxc7 44. Ke3 Kd6 0-1

[Event "BRA-ch U16"]
[Site "Porto Belo"]
[Date "1998.??.??"]
[Round "6"]
[White "Prebianca, Andre"]
[Black "Medeiros, Matheus"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "42"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[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 Nd4 4. Nxe5 Qg5 5. 0-0 Qxe5 6. d3 Bc5 7. Nc3 Nf6 8. Re1 0-0 9. Nd5 Nxd5 10. Bxd5 c6 11. Bb3 Re8 12. c3 Nxb3 13. Qxb3 Qf6 14. d4 Bb6 15. Qd1 g6 16. Qd3 d5 17. e5 Bf5 18. exf6 Rxe1+ 19. Qf1 Rae8 20. Bd2 Rxf1+ 21. Kxf1 Bd3+ 0-1

[Event "BRA-ch U16"]
[Site "Porto Belo"]
[Date "1998.??.??"]
[Round "1"]
[White "Rosa, Danilo Neves"]
[Black "Medeiros, Matheus"]
[Result "1-0"]
[ECO "C61"]
[PlyCount "39"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. Ba4 Bc5 6. 0-0 Qg5 7. d3 Qg6 8. f4 Ne7 9. f5 Qb6 10. Nd2 c6 11. Nc4 Qc7 12. Bb3 d5 13. Bf4 Qd8 14. Ne5 Bd6 15. Qh5 Bxe5 16. Bxe5 g6 17. fxg6 fxg6 18. Qf3 Rg8 19. Qf7+ Kd7 20. Rf6 1-0

[Event "BRA-ch U16"]
[Site "Porto Belo"]
[Date "1998.??.??"]
[Round "3"]
[White "Silva, Evanoe"]
[Black "Medeiros, Matheus"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "45"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[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 Bc5 4. d3 Nd4 5. Nxe5 Qf6 6. Bf4 Qxf4 7. Nxf7 Nb3 8. 0-0 Nxa1 9. Nxh8 Nh6 10. Nc3 Nxc2 11. Qxc2 d6 12. Nd5 Kd7 13. Nxf4 b6 14. h3 Bb7 15. Bd5 Bxd5 16. exd5 Rxh8 17. Qc3 Nf5 18. Ne2 Re8 19. Ng3 Nxg3 20. Qxg7+ Kd8 21. Qxg3 Re2 22. Qg5+ Kc8 23. Qg4+ 1-0

