[Event "BRA South Region-ch"]
[Site "Florianopolis"]
[Date "2000.08.??"]
[Round "1"]
[White "Costa Neto, Leonidas"]
[Black "Chemin, Justo Reinaldo"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "2296"]
[PlyCount "78"]
[EventDate "2000.08.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. g3 Nf6 5. Bg2 Be7 6. Ne2 0-0 7. 0-0 c6 8. Nbc3 Bf5 9. Nf4 Na6 10. a3 Nc7 11. Nd3 Ne6 12. Ne2 Ne4 13. f3 Nd6 14. Ne5 f6 15. Ng4 Re8 16. Nf4 Nxf4 17. Bxf4 Bf8 18. b3 Qb6 19. a4 a5 20. Qd2 Bxg4 21. fxg4 Ne4 22. Bxe4 Rxe4 23. Be3 Rae8 24. Rfe1 Bd6 25. Bf2 Bb4 26. c3 Bf8 27. Rab1 Qd8 28. h3 Qd7 29. Rxe4 Rxe4 30. Re1 Rxe1+ 31. Qxe1 Kf7 32. c4 Bb4 33. Qe2 Qe6 34. Kf1 Qxe2+ 35. Kxe2 Ke6 36. Ke3 b6 37. Kf3 c5 38. Ke3 cxd4+ 39. Kxd4 Bc5+ 0-1

[Event "BRA South Region-ch"]
[Site "Florianopolis"]
[Date "2000.08.??"]
[Round "5"]
[White "Costa Neto, Leonidas"]
[Black "Doehnert, Souza Luiz"]
[Result "1/2-1/2"]
[ECO "B02"]
[PlyCount "93"]
[EventDate "2000.08.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Bc4 Nxc3 5. dxc3 Qxd1+ 6. Kxd1 Nc6 7. Ke2 Bf5 8. Bd3 Bg6 9. Nf3 e5 10. Nh4 0-0-0 11. Nxg6 hxg6 12. Be3 a6 13. h3 Be7 14. Bc4 f5 15. b4 f4 16. Bc1 Bf6 17. a4 g5 18. b5 Na5 19. Be6+ Kb8 20. bxa6 b6 21. Bd2 Rd6 22. Bf5 Rhd8 23. Rhd1 Ka7 24. Be4 Kxa6 25. c4 Nxc4 26. Bd3 Rxd3 27. cxd3 Nb2 28. Rdb1 Nxd3 29. a5 b5 30. Bc3 e4 31. Bxf6 gxf6 32. Rd1 Rd6 33. g4 Nb2 34. Rxd6+ cxd6 35. h4 gxh4 36. Rh1 Nc4 37. Rxh4 Ne5 38. Rh6 f3+ 39. Kf1 Nxg4 40. Rg6 f5 41. Rxd6+ Kxa5 42. Rd5 e3 43. Rxf5 e2+ 44. Ke1 Nh2 45. Rh5 Ng4 46. Rf5 Nh2 47. Rh5 1/2-1/2

[Event "BRA South Region-ch"]
[Site "Florianopolis"]
[Date "2000.08.??"]
[Round "3"]
[White "Costa Neto, Leonidas"]
[Black "Santiago, Lucas"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "39"]
[EventDate "2000.08.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Bc5 4. Be2 Ng4 5. 0-0 0-0 6. h3 Nxf2 7. Rxf2 Bxf2+ 8. Kxf2 Qe7 9. d4 exd4 10. Qxd4 c5 11. Qd5 d6 12. Bg5 Be6 13. Bxe7 Bxd5 14. Bxf8 Nd7 15. Bxd6 Bc6 16. Bb5 Bxb5 17. Nxb5 Re8 18. Nc7 Rxe4 19. Re1 Rc4 20. Re8+ 1-0

[Event "BRA South Region-ch"]
[Site "Florianopolis"]
[Date "2000.08.??"]
[Round "4"]
[White "Munoa da Silva, Eduardo"]
[Black "Costa Neto, Leonidas"]
[Result "1-0"]
[ECO "A42"]
[PlyCount "117"]
[EventDate "2000.08.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d6 2. e4 g6 3. c4 Bg7 4. Nc3 c6 5. Nf3 h6 6. Be2 Qc7 7. Be3 Nf6 8. h3 e5 9. Qd2 Be6 10. 0-0-0 exd4 11. Nxd4 d5 12. cxd5 cxd5 13. Ndb5 Qc6 14. Kb1 0-0 15. exd5 Bf5+ 16. Ka1 Qd7 17. g4 a6 18. Nd4 Ne4 19. Nxe4 Bxe4 20. f3 Bxd5 21. Nb3 Bc6 22. Bxh6 Re8 23. Qc1 Qc8 24. Bxg7 Kxg7 25. Qc3+ Kg8 26. Rhe1 Nd7 27. f4 Nf8 28. h4 Ne6 29. f5 Nf4 30. Bf3 Rxe1 31. Rxe1 gxf5 32. Qe3 Qe8 33. Bxc6 Qxe3 34. Rxe3 bxc6 35. gxf5 Rd8 36. a3 Rd5 37. Rc3 Rxf5 38. Rxc6 Ng2 39. Rxa6 Nxh4 40. a4 Rf1+ 41. Ka2 f5 42. Rh6 Nf3 43. a5 Rd1 44. a6 Rd8 45. a7 Ra8 46. Ra6 Kg7 47. Nc5 Nd4 48. Ka3 f4 49. Ka4 f3 50. Nd3 Nc6 51. Rxc6 Rxa7+ 52. Kb3 Rb7+ 53. Kc3 Rb8 54. b4 Rb7 55. Kc4 Ra7 56. Re6 Rc7+ 57. Kb3 Rf7 58. Re1 Rd7 59. Kc3 1-0

[Event "BRA South Region-ch"]
[Site "Florianopolis"]
[Date "2000.08.??"]
[Round "6"]
[White "Reynaud, Diego"]
[Black "Costa Neto, Leonidas"]
[Result "0-1"]
[ECO "E91"]
[PlyCount "82"]
[EventDate "2000.08.25"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 c6 6. Be2 0-0 7. 0-0 Qc7 8. Be3 e5 9. d5 c5 10. Qd2 a6 11. Bh6 Ne8 12. a3 f5 13. exf5 Bxf5 14. Bxg7 Qxg7 15. Ng5 Qe7 16. Nge4 Nd7 17. Bd3 Qh4 18. f4 Bxe4 19. Bxe4 exf4 20. Rf3 Ndf6 21. Qxf4 Qxf4 22. Rxf4 Nxe4 23. Rxf8+ Kxf8 24. Nxe4 b5 25. b3 bxc4 26. bxc4 Rb8 27. h4 Rb2 28. Rf1+ Kg7 29. Rf2 Rb1+ 30. Rf1 Rb3 31. Rf3 Rxf3 32. gxf3 h6 33. Kg2 Kf7 34. Kg3 Ke7 35. Kf4 Nf6 36. Ke3 Nxe4 37. Kxe4 Kf6 38. f4 h5 39. a4 a5 40. f5 g5 41. hxg5+ Kxg5 0-1

