[Event "Itau Mercosul Cup 4th"]
[Site "Sao Paulo"]
[Date "2000.10.19"]
[Round "4"]
[White "Lessa, Roberto"]
[Black "Marques, Vinicius de Abreu"]
[Result "0-1"]
[ECO "A41"]
[BlackElo "2291"]
[PlyCount "52"]
[EventDate "2000.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Bg4 3. e3 Nd7 4. Be2 c6 5. Nbd2 Ngf6 6. b3 e6 7. 0-0 d5 8. c4 Bd6 9. Bb2 Qb8 10. h3 Bf5 11. Qc1 h6 12. Ne1 0-0 13. Ba3 e5 14. dxe5 Nxe5 15. Bb2 Qd8 16. c5 Bc7 17. Ndf3 Ng6 18. Nd4 Bd7 19. Bd3 Ne4 20. Qc2 Re8 21. f4 Nh4 22. Ndf3 Nf5 23. Bd4 Nxd4 24. Nxd4 b6 25. cxb6 Bxb6 26. Ba6 Nc5 0-1

[Event "Itau Mercosul Cup 4th"]
[Site "Sao Paulo"]
[Date "2000.10.17"]
[Round "2"]
[White "Lessa, Roberto"]
[Black "Disconzi da Silva, Rodrigo"]
[Result "0-1"]
[ECO "E15"]
[BlackElo "2352"]
[PlyCount "86"]
[EventDate "2000.10.??"]
[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 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qc2 Bb7 6. Bg2 c5 7. 0-0 cxd4 8. Nxd4 Bxg2 9. Kxg2 Qc7 10. b3 Be7 11. Bb2 0-0 12. Nd2 d6 13. Qd3 Nbd7 14. e4 Nc5 15. Qe2 Rfe8 16. f3 Qb7 17. Rad1 Nfd7 18. b4 Na4 19. Ba1 a6 20. Rc1 Bf6 21. Qd1 b5 22. cxb5 axb5 23. N4b3 Bxa1 24. Rxa1 Ne5 25. f4 Nc4 26. Qf3 Nab6 27. Nxc4 Nxc4 28. Rfd1 Ra3 29. Rd3 Rea8 30. Na5 Rxd3 31. Qxd3 Nxa5 32. bxa5 Rxa5 33. Rb1 h6 34. Rb2 b4 35. Kh3 Qb6 36. Qc4 Rb5 37. Qc8+ Kh7 38. Qd7 Kg6 39. a4 Rh5+ 40. Kg4 Qd4 41. Re2 f5+ 42. exf5+ exf5+ 43. Kf3 Qd3+ 0-1

[Event "BRA-ch 1/2 final"]
[Site "Santos"]
[Date "2000.??.??"]
[Round "4"]
[White "Lessa, Roberto"]
[Black "Coelho, Luis Henrique"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "2091"]
[PlyCount "46"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 c5 4. c3 Nc6 5. Bg2 Bf5 6. 0-0 e6 7. Bg5 h6 8. Bf4 Be7 9. Ne5 Qb6 10. Nxc6 bxc6 11. Qa4 0-0 12. b3 Ne4 13. Be3 Rfc8 14. f3 Nf6 15. Bf2 cxd4 16. Qxd4 Qa6 17. e4 dxe4 18. fxe4 Rd8 19. Qe3 Rd3 20. Qc1 Nxe4 21. Bd4 Bg5 22. Qe1 Rxd4 23. Rxf5 exf5 0-1

[Event "BRA-ch 1/2 final"]
[Site "Santos"]
[Date "2000.??.??"]
[Round "1"]
[White "Lessa, Roberto"]
[Black "Pelikian, Jefferson"]
[Result "0-1"]
[ECO "A05"]
[BlackElo "2393"]
[PlyCount "72"]
[EventDate "2000.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 0-0 5. e3 b6 6. Be2 Bb7 7. Nbd2 c5 8. 0-0 Nc6 9. c3 d5 10. Rc1 Rc8 11. Bd3 Re8 12. Bb1 e5 13. dxe5 Nxe5 14. Nxe5 Rxe5 15. Re1 Qc7 16. Nf1 Ree8 17. Ng3 Rcd8 18. Qe2 h5 19. Bd3 Ng4 20. h3 Nf6 21. Qc2 h4 22. Nf1 Qc6 23. Nh2 d4 24. Nf3 dxe3 25. Rxe3 Rxe3 26. fxe3 Qd6 27. Rd1 Bxf3 28. gxf3 Qe6 29. Qf2 Qxh3 30. c4 Nh5 31. Bxg7 Kxg7 32. Be2 Ng3 33. Qg2 Nxe2+ 34. Qxe2 Qg3+ 35. Kh1 Rxd1+ 36. Qxd1 Qf2 0-1

[Event "BRA-ch 46th"]
[Site "Fortaleza"]
[Date "1979.08.??"]
[Round "3"]
[White "Lessa, Roberto"]
[Black "Fiori de Azevedo, Pio"]
[Result "0-1"]
[ECO "A30"]
[PlyCount "112"]
[EventDate "1979.08.04"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 b6 3. g3 c5 4. Bg2 Bb7 5. Nc3 Nf6 6. b3 Be7 7. Bb2 0-0 8. 0-0 d6 9. d4 cxd4 10. Qxd4 a6 11. Rac1 Qc7 12. Rfd1 Nbd7 13. e4 Rfd8 14. h3 Nc5 15. Nd2 Rac8 16. Kh2 Qb8 17. Qe3 Bc6 18. Qe2 Re8 19. Nf1 Qa8 20. f3 Rb8 21. Rd2 b5 22. cxb5 axb5 23. b4 Ncd7 24. Rdc2 Ne5 25. Nd2 Ng6 26. Nb3 d5 27. Na5 Bd7 28. a3 d4 29. Nd1 e5 30. Nf2 Bd6 31. Nd3 Rec8 32. Nb3 Be6 33. Nd2 Nd7 34. Bf1 Nb6 35. Nc5 Bc4 36. Nxc4 bxc4 37. Rxc4 Nxc4 38. Nd7 Nxb2 39. Rxc8+ Rxc8 40. Nb6 Qc6 41. Nxc8 Qxc8 42. Qxb2 Qc3 43. Qxc3 dxc3 44. Bd3 Ne7 45. b5 Bxa3 46. f4 Bd6 47. f5 Nc8 48. g4 h6 49. Kg3 Kf8 50. Kh4 Bc5 51. Kh5 Be3 52. h4 Nd6 53. g5 hxg5 54. hxg5 Nxb5 55. f6 g6+ 56. Kh6 Nd4 0-1

