[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.26"]
[Round "10"]
[White "Niehues, Luiz Cesar"]
[Black "Gomes, Carlos Henrique Cal"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "1507"]
[BlackElo "1757"]
[PlyCount "54"]
[EventDate "2020.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 Bf5 5. e3 e6 6. Bd3 dxc4 7. Bxc4 Bd6 8. h3 Nbd7 9. 0-0 0-0 10. Nh4 Bg6 11. Nxg6 hxg6 12. Qb3 Qc7 13. Qc2 Rad8 14. Bb3 Qa5 15. Ne4 Nxe4 16. Qxe4 Nf6 17. Qc2 Qh5 18. f4 Be7 19. Bd2 c5 20. Bc3 Nd5 21. Qe4 b5 22. dxc5 Nxc3 23. bxc3 Bxc5 24. Rf3 Rd2 25. Rd1 Rfd8 26. Rxd2 Rxd2 27. Kh2 Qh4 1/2-1/2

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.25"]
[Round "9"]
[White "Deobrochinski, Valentina Hinke"]
[Black "Niehues, Luiz Cesar"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "1191"]
[BlackElo "1507"]
[PlyCount "68"]
[EventDate "2020.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c5 7. d5 Re8 8. Qd2 Nbd7 9. 0-0-0 a6 10. Bh6 Bh8 11. g4 Ne5 12. h4 Nexg4 13. fxg4 Bxg4 14. Re1 Nh5 15. Be2 Bxe2 16. Ngxe2 b5 17. Qd3 bxc4 18. Qxc4 Qb6 19. Nf4 Nxf4 20. Bxf4 h5 21. e5 Rab8 22. b3 Qa5 23. Kb2 Rb4 24. Qf1 Reb8 25. Rh3 c4 26. Nb1 Qxd5 27. Qf3 Rxb3+ 28. axb3 Rxb3+ 29. Qxb3 cxb3 30. Rxb3 Bxe5+ 31. Bxe5 dxe5 32. Nc3 Qd2+ 33. Ka3 Qxe1 34. Nd5 Qa5+ 0-1

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.25"]
[Round "8"]
[White "Niehues, Luiz Cesar"]
[Black "Felix, Raimundo Nascimento"]
[Result "0-1"]
[ECO "E43"]
[WhiteElo "1507"]
[BlackElo "1813"]
[PlyCount "60"]
[EventDate "2020.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb4 5. e3 Ne4 6. Qc2 Bb7 7. a3 Bxc3+ 8. bxc3 0-0 9. Bd3 f5 10. Bb2 d6 11. 0-0-0 Nd7 12. Qe2 Qe7 13. Rdg1 Ndf6 14. Nd2 Nxd2 15. Qxd2 Ne4 16. Qe2 Nf6 17. f3 Rae8 18. h4 Qd7 19. h5 e5 20. Bc2 c5 21. d5 e4 22. Kd1 Ba6 23. fxe4 fxe4 24. h6 g6 25. Rh4 Re5 26. Rf1 g5 27. Rh3 Rxd5+ 28. Ke1 Rf5 29. Rxf5 Qxf5 30. Rf3 exf3 0-1

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.24"]
[Round "7"]
[White "Ramillo, Vitoria Matheus"]
[Black "Niehues, Luiz Cesar"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1841"]
[BlackElo "1507"]
[PlyCount "73"]
[EventDate "2020.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 Bf5 6. Nge2 e6 7. 0-0 Be7 8. Ng3 Bg6 9. Nce2 c6 10. Nf4 Nbd7 11. c3 Nd5 12. Re1 Nxf4 13. Bxf4 0-0 14. Qb3 Qb6 15. Bxe6 Qxb3 16. Bxb3 Bf6 17. Ne4 Bxe4 18. Rxe4 Rfe8 19. Rae1 Rxe4 20. Rxe4 Rd8 21. f3 Nb6 22. Be5 Bxe5 23. Rxe5 Kf8 24. Kf2 Rd7 25. Rc5 Re7 26. Ra5 a6 27. f4 Nc8 28. d5 cxd5 29. Rxd5 Nb6 30. Rd8+ Re8 31. Rxe8+ Kxe8 32. Ke3 Ke7 33. Kd4 f6 34. Bc2 h6 35. Be4 Nd7 36. Bxb7 a5 37. Bc6 1-0

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.23"]
[Round "6"]
[White "Niehues, Luiz Cesar"]
[Black "Vieira, Jose Renato Braga S"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "1507"]
[BlackElo "1891"]
[PlyCount "51"]
[EventDate "2020.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 g6 7. g3 Bg7 8. Bg2 d6 9. Nf3 Nbd7 10. 0-0 0-0 11. Re1 Qb6 12. h3 Rfb8 13. Qc2 c4 14. Rb1 Bb7 15. Be3 Qa5 16. Nd4 Nxd5 17. Nxd5 Bxd5 18. Nc6 Bxc6 19. Bxc6 Rxb2 20. Qxc4 Ne5 21. Qe4 Nxc6 22. Qxc6 Rab8 23. Kh2 Qxa2 24. Ra1 Qe6 25. Ra8 d5 26. Qe8+ 1-0

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.23"]
[Round "5"]
[White "Pereira, Armando Scharlau"]
[Black "Niehues, Luiz Cesar"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1716"]
[BlackElo "1507"]
[PlyCount "65"]
[EventDate "2020.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Bf4 e6 4. e3 c5 5. c3 Nc6 6. Nbd2 Qb6 7. Qc2 Bd7 8. Be2 Be7 9. h3 0-0 10. g4 Rac8 11. Qb1 cxd4 12. exd4 Na5 13. 0-0 Nc4 14. Nxc4 dxc4 15. Ne5 Bd6 16. Qc2 Bxe5 17. Bxe5 Nd5 18. Qd2 Ne7 19. Rae1 Ng6 20. Bg3 f5 21. gxf5 exf5 22. f4 Rfe8 23. Bf3 Bc6 24. Bxc6 Qxc6 25. Qg2 Re4 26. Rxe4 fxe4 27. f5 Ne7 28. Be5 Qh6 29. Re1 e3 30. Qg3 g6 31. fxg6 Nxg6 32. Qxe3 Rf8 33. Qxh6 1-0

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.22"]
[Round "4"]
[White "Niehues, Luiz Cesar"]
[Black "Marques Junior, Marcos Antonio"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "1507"]
[BlackElo "1771"]
[PlyCount "66"]
[EventDate "2020.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 c5 7. d5 Na6 8. Qd2 Qa5 9. h4 h5 10. f3 e6 11. Bh6 Re8 12. Bxg7 Kxg7 13. Nh3 Nc7 14. Nf2 exd5 15. cxd5 a6 16. g4 b5 17. 0-0 hxg4 18. fxg4 b4 19. Qf4 bxc3 20. Nh3 Ncxd5 21. exd5 Qd8 22. g5 Rxe2 23. gxf6+ Kg8 24. Nf2 Bf5 25. Qg5 cxb2 26. h5 bxa1Q 27. Rxa1 Qe8 28. hxg6 fxg6 29. Rf1 Re1 30. Qh6 Rxf1+ 31. Kxf1 Qf8 32. Qg5 Kf7 33. Nd1 Qh8 0-1

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.21"]
[Round "2"]
[White "Niehues, Luiz Cesar"]
[Black "Torres, Eduardo Lisboa"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1507"]
[BlackElo "1850"]
[PlyCount "56"]
[EventDate "2020.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. h3 e5 7. d5 Nbd7 8. Be3 a5 9. Qd2 b6 10. g4 Nc5 11. Bxc5 bxc5 12. Bd3 Kh8 13. Ke2 a4 14. Bc2 Bd7 15. Rab1 c6 16. Rhd1 cxd5 17. cxd5 Nxg4 18. hxg4 Bxg4 19. Rh1 f5 20. Rbg1 Qf6 21. Rg3 Rab8 22. Bb1 Rb4 23. Kf1 Rfb8 24. Ng5 h6 25. Rxh6+ Bxh6 26. Nf7+ Qxf7 27. Qxh6+ Qh7 28. Qg5 Rxb2 0-1

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.21"]
[Round "3"]
[White "Souza Jr, Helemberg Cubica De"]
[Black "Niehues, Luiz Cesar"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1747"]
[BlackElo "1507"]
[PlyCount "66"]
[EventDate "2020.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 194 Extra"]
[Source "ChessBase"]
[SourceDate "2020.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.03.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nf3 Nf6 4. c4 Qa5 5. Nc3 Bf5 6. Be2 e6 7. 0-0 c6 8. d3 Nbd7 9. Bf4 Be7 10. Nh4 h6 11. Nxf5 Qxf5 12. Bg3 0-0 13. d4 Rad8 14. Bd3 Qh5 15. Qb3 Nc5 16. dxc5 Rxd3 17. Qxb7 Bxc5 18. Qxc6 Rxg3 19. hxg3 Ng4 20. Rfd1 Bxf2+ 21. Kf1 Bxg3 22. Qe4 Nh2+ 23. Kg1 Ng4 24. Qf3 Bf2+ 25. Qxf2 Nxf2 26. Kxf2 Qf5+ 27. Kg1 Qc5+ 28. Kh1 Qxc4 29. Rac1 Qh4+ 30. Kg1 a5 31. Ne2 Rd8 32. Rxd8+ Qxd8 33. Rc2 Qd1+ 0-1

[Event "BRA-ch Regional Sul"]
[Site "Lages"]
[Date "2019.10.20"]
[Round "5"]
[White "Zottis, Ernani"]
[Black "Niehues, Luiz Cesar"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1376"]
[BlackElo "1518"]
[PlyCount "83"]
[EventDate "2019.10.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 d5 2. Bd3 dxe4 3. Bxe4 Nf6 4. f3 e5 5. Nc3 Bc5 6. b3 Nxe4 7. Nxe4 Bxg1 8. Rxg1 Qh4+ 9. Nf2 Qxh2 10. Rh1 Qxg2 11. Qe2 Nc6 12. Ba3 Be6 13. 0-0-0 0-0-0 14. Bc5 Qg6 15. Rdg1 Qf5 16. Ne4 h6 17. Rxg7 Nd4 18. Bxd4 Rxd4 19. Rhg1 Rhd8 20. Rg8 Qf4 21. c3 R4d5 22. Kc2 f5 23. Rxd8+ Rxd8 24. Nc5 Bd5 25. Qe1 Bg8 26. Nd3 Qxf3 27. Rg3 Qd5 28. c4 Qd4 29. Re3 e4 30. Nf4 b5 31. cxb5 a6 32. b6 Qxb6 33. Rc3 a5 34. a4 Qd6 35. Qe3 Qa3 36. Kd1 Rd6 37. Ne2 Kb7 38. Nd4 f4 39. Qxe4+ Bd5 40. Qe7 Kb6 41. Nb5 Qb4 42. Nxc7 1-0

[Event "BRA-ch Regional Sul"]
[Site "Lages"]
[Date "2019.10.19"]
[Round "3"]
[White "Andrade, Eduarda"]
[Black "Niehues, Luiz Cesar"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1788"]
[BlackElo "1518"]
[PlyCount "130"]
[EventDate "2019.10.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Nxd5 Qxd5 5. d4 Bf5 6. Be3 e6 7. Qf3 Be4 8. Qg3 Nc6 9. c3 0-0-0 10. Ne2 h6 11. Nf4 Qa5 12. Bd3 Bxd3 13. Nxd3 g5 14. 0-0 Bd6 15. Qf3 f5 16. b4 Qb5 17. Rfd1 g4 18. Qe2 e5 19. a4 Qc4 20. d5 Ne7 21. Qc2 Nxd5 22. Nxe5 Nxe3 23. fxe3 Qe6 24. Nd3 Qxe3+ 25. Qf2 Qxf2+ 26. Nxf2 h5 27. g3 h4 28. Kg2 hxg3 29. hxg3 Be5 30. Rxd8+ Rxd8 31. Rc1 Rd2 32. c4 b6 33. Rd1 Re2 34. Rd5 Re3 35. Rd4 Re2 36. Kf1 Rc2 37. Rd5 Bxg3 38. Rxf5 Bxf2 39. Rxf2 Rxc4 40. Rb2 c5 41. bxc5 bxc5 42. a5 Kc7 43. a6 Rb4 44. Re2 Kd6 45. Rd2+ Kc6 46. Re2 Ra4 47. Re6+ Kb5 48. Rg6 Rxa6 49. Rxg4 Re6 50. Rg5 a5 51. Rg2 c4 52. Re2 Rxe2 53. Kxe2 c3 54. Kd3 Kb4 55. Kc2 a4 56. Kb1 Kb3 57. Ka1 Kc2 58. Ka2 Kd2 59. Ka1 c2 60. Ka2 a3 61. Kxa3 c1Q+ 62. Ka2 Qc5 63. Kb3 Qb5+ 64. Ka3 Kc3 65. Ka2 Qb2# 0-1

[Event "BRA-ch Regional Sul"]
[Site "Lages"]
[Date "2019.10.19"]
[Round "4"]
[White "Niehues, Luiz Cesar"]
[Black "Guimaraes, Felipe Tavares"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "1518"]
[BlackElo "1234"]
[PlyCount "45"]
[EventDate "2019.10.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. h3 Nbd7 7. Bg5 c5 8. d5 a6 9. a4 Nb6 10. a5 Nbd7 11. Qd2 Re8 12. Be2 Nf8 13. 0-0 Bd7 14. Rfb1 Rb8 15. b4 cxb4 16. Bxf6 bxc3 17. Bxc3 e5 18. Rb6 Qc7 19. Bb4 Rbd8 20. Bxd6 Qc8 21. Rab1 h5 22. Rxb7 Nh7 23. Rb8 1-0

[Event "BRA-ch Regional Sul"]
[Site "Lages"]
[Date "2019.10.18"]
[Round "1"]
[White "Hilla, Jean Paulo"]
[Black "Niehues, Luiz Cesar"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1800"]
[BlackElo "1518"]
[PlyCount "127"]
[EventDate "2019.10.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. d4 Bg4 5. Be2 e6 6. Be3 Nc6 7. c3 Bd6 8. Nbd2 0-0 9. 0-0 f5 10. Bg5 Qe8 11. Bh4 h6 12. h3 Bh5 13. Bg3 Nf4 14. Bxf4 Bxf4 15. Re1 Rf6 16. Bb5 Qg6 17. Bxc6 bxc6 18. Qa4 Qe8 19. g3 Bd6 20. Ne5 Bxe5 21. Rxe5 Bf7 22. Nb3 f4 23. Rae1 fxg3 24. fxg3 Rg6 25. Kh2 Qe7 26. Qxc6 Rb8 27. R1e2 Rb6 28. Qe4 Qf6 29. Nc5 Rd6 30. Qe3 Rd5 31. Rxd5 exd5 32. Rf2 Qd6 33. Kg2 h5 34. Nd3 h4 35. g4 Re6 36. Ne5 Bg6 37. Qg5 Be4+ 38. Kg1 c5 39. Qxh4 Rh6 40. Qg3 Qe7 41. Rf7 Qg5 42. Kh2 Qd2+ 43. Qf2 Qd1 44. Qf1 Qc2+ 45. Rf2 Qb1 46. Rf8+ Kh7 47. Qxb1 Bxb1 48. dxc5 Bxa2 49. c6 d4 50. cxd4 Rd6 51. c7 Be6 52. c8Q Bxc8 53. Rxc8 Rxd4 54. Rb8 a5 55. b3 a4 56. bxa4 Rxa4 57. Kg3 Ra3+ 58. Kh4 g5+ 59. Kxg5 Rxh3 60. Rb7+ Kg8 61. Kg6 Kf8 62. g5 Rg3 63. Kf6 Kg8 64. g6 1-0

[Event "BRA-ch Regional Sul"]
[Site "Lages"]
[Date "2019.10.18"]
[Round "2"]
[White "Niehues, Luiz Cesar"]
[Black "Spieker, Otavio Schmidt"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "1518"]
[BlackElo "1674"]
[PlyCount "103"]
[EventDate "2019.10.18"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. e4 e5 8. d3 d6 9. Bg5 h6 10. Bd2 Bg4 11. h3 Bxf3 12. Bxf3 Nd4 13. Bg2 Qd7 14. f4 Kh7 15. fxe5 dxe5 16. Nd5 Nxd5 17. cxd5 Qb5 18. Bc3 c4 19. dxc4 Qxc4 20. Rf2 Qc5 21. Kh2 Rad8 22. Rc1 Rd6 23. Bxd4 Qxd4 24. Qxd4 exd4 25. Rc7 Rf6 26. Rxf6 Bxf6 27. Rxb7 Be5 28. Rxa7 Kg8 29. Ra6 Rb8 30. b3 Rc8 31. Rc6 Rd8 32. Bf3 Ra8 33. a4 Rb8 34. Bd1 h5 35. Kg2 Rf8 36. b4 f5 37. Rxg6+ Kh7 38. Re6 Bb8 39. exf5 Rxf5 40. Bc2 Kg7 41. Bxf5 Kf7 42. g4 hxg4 43. hxg4 Kf8 44. Kf3 Kf7 45. Ke4 Ba7 46. g5 Kg7 47. Re7+ Kf8 48. Rxa7 Ke8 49. b5 Kd8 50. b6 Ke8 51. b7 Kd8 52. b8Q# 1-0

[Event "Caioba Copel op 5th"]
[Site "Caioba"]
[Date "2019.09.17"]
[Round "4"]
[White "Baldussi Fernandes, Bruno Mendonca"]
[Black "Niehues, Luiz Cesar"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1752"]
[BlackElo "1537"]
[PlyCount "83"]
[EventDate "2019.08.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. 0-0 Be7 10. Nd2 Nxd2 11. Bxd2 0-0 12. f4 Bc5 13. Be3 Bb6 14. Kh1 Qe7 15. c3 Rae8 16. Bf2 c5 17. Nf3 Bc6 18. Qc2 f6 19. Bh4 Qf7 20. exf6 gxf6 21. f5 Re4 22. Qd2 Qg7 23. Rae1 Rfe8 24. Rxe4 dxe4 25. Ne1 e3 26. Qe2 Re4 27. Nf3 Qh6 28. Rd1 Qf8 29. c4 Qe7 30. Be1 Bd7 31. g4 Rxg4 32. Ne5 Bc6+ 33. Rd5 Qxe5 34. Qxg4+ Kh8 35. Qf3 Bxd5 36. Qxd5 Qxd5+ 37. cxd5 c4 38. Kg2 Kg7 39. Kf3 h5 40. Bc3 Kf7 41. Kg3 h4+ 42. Kxh4 1-0

[Event "Caioba Copel op 5th"]
[Site "Caioba"]
[Date "2019.08.16"]
[Round "2"]
[White "Macedo, Felipe Cruz"]
[Black "Niehues, Luiz Cesar"]
[Result "0-1"]
[ECO "C58"]
[WhiteElo "1080"]
[BlackElo "1537"]
[PlyCount "82"]
[EventDate "2019.08.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Ba4 Bd6 9. d3 0-0 10. Bd2 Bd7 11. Ne4 Nxe4 12. dxe4 Nb7 13. Nc3 Bc7 14. Qe2 Nc5 15. Bb3 a5 16. 0-0 Nxb3 17. axb3 f5 18. Rfd1 f4 19. f3 Rf6 20. Be1 Rg6 21. Qc4+ Kh8 22. Qf1 Qe7 23. Kh1 Rf8 24. Ne2 Be6 25. Bf2 h5 26. h3 h4 27. Qe1 Rh6 28. Qc3 Qe8 29. b4 axb4 30. Qxb4 Kh7 31. Qb7 Rf7 32. Ra8 Qe7 33. Qxc6 Bxh3 34. gxh3 Rxc6 35. c3 Bb6 36. Ra6 Qc7 37. Bxb6 Rxb6 38. Ra2 Rd7 39. Rg1 Rd2 40. Nc1 Rbxb2 41. Ra3 Rh2# 0-1

[Event "Caioba Copel op 5th"]
[Site "Caioba"]
[Date "2019.08.15"]
[Round "1"]
[White "Niehues, Luiz Cesar"]
[Black "Almeida Junior, Alvaro Alves de"]
[Result "0-1"]
[ECO "E52"]
[WhiteElo "1537"]
[BlackElo "2097"]
[PlyCount "64"]
[EventDate "2019.08.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bb4 5. e3 0-0 6. Bd3 b6 7. 0-0 Bb7 8. Qc2 Nbd7 9. cxd5 exd5 10. a3 Be7 11. Ne5 c5 12. f4 a6 13. Rf3 b5 14. Rh3 h6 15. Qf2 Ne4 16. Qf3 cxd4 17. exd4 Nxe5 18. fxe5 Bg5 19. Be3 Bc8 20. Nxd5 Bxe3+ 21. Qxe3 Ng5 22. Nf6+ gxf6 23. Rxh6 fxe5 24. dxe5 Re8 25. Rf1 Re6 26. Rff6 Rxf6 27. Rxf6 Ne6 28. Qg3+ Ng7 29. h4 Qd4+ 30. Kh2 Qg4 31. Rf4 Qxg3+ 32. Kxg3 Nh5+ 0-1

[Event "Sao Bento do Sul op 07"]
[Site "Sao Bento do Sul"]
[Date "2019.07.14"]
[Round "7"]
[White "Centeno, Daniel de Medeiros"]
[Black "Niehues, Luiz Cesar"]
[Result "0-1"]
[ECO "D13"]
[BlackElo "1537"]
[PlyCount "76"]
[EventDate "2019.07.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nf6 5. Nc3 e6 6. Nf3 Nc6 7. a3 Be7 8. e3 0-0 9. Bd3 a6 10. h3 Bd7 11. 0-0 Rc8 12. Rc1 h6 13. Qc2 Nh5 14. Bh2 f5 15. Ne2 Nf6 16. b4 b5 17. Nf4 Bd6 18. Kh1 Qe8 19. Nh4 g5 20. Nfg6 Bxh2 21. Nxf8 Kxf8 22. Nxf5 exf5 23. Kxh2 Qh5 24. Kg1 g4 25. Be2 Qh4 26. hxg4 fxg4 27. Qa2 h5 28. Bd3 Qg5 29. Rc5 h4 30. Rfc1 g3 31. f4 Qg8 32. Qc2 Qe6 33. Kh1 Qxe3 34. Bf5 Re8 35. Qd1 Bxf5 36. Rxc6 Ng4 37. R6c2 Bxc2 38. Qf1 Nf2+ 0-1

[Event "Sao Bento do Sul op 07"]
[Site "Sao Bento do Sul"]
[Date "2019.07.14"]
[Round "6"]
[White "Niehues, Luiz Cesar"]
[Black "Idalgo Filho, Robson Farias"]
[Result "0-1"]
[ECO "D26"]
[WhiteElo "1537"]
[BlackElo "1935"]
[PlyCount "66"]
[EventDate "2019.07.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 Nf6 4. Nf3 e6 5. e3 c5 6. Bxc4 Nc6 7. 0-0 Be7 8. Bb5 0-0 9. Bxc6 bxc6 10. b3 Ba6 11. Re1 Qa5 12. Qc2 Nd5 13. Nxd5 cxd5 14. Bd2 Qb6 15. Ne5 Rfd8 16. dxc5 Bxc5 17. Nxf7 Kxf7 18. Qxh7 Rh8 19. Qc2 Bd6 20. h3 Be5 21. Rad1 Rac8 22. Qb1 Qb5 23. f4 Bf6 24. e4 Qd3 25. e5 Qxb1 26. Rxb1 Bh4 27. Rec1 Bd3 28. Rb2 Be7 29. Rxc8 Rxc8 30. Be3 a6 31. Kf2 Rc2+ 32. Rxc2 Bxc2 33. g3 Bb1 0-1

[Event "Sao Bento do Sul op 07"]
[Site "Sao Bento do Sul"]
[Date "2019.07.13"]
[Round "4"]
[White "Cantini, Dirney Paulo"]
[Black "Niehues, Luiz Cesar"]
[Result "1-0"]
[ECO "C28"]
[WhiteElo "1864"]
[BlackElo "1537"]
[PlyCount "58"]
[EventDate "2019.07.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nf6 3. Bc4 Be7 4. d3 Nc6 5. a3 d6 6. Nge2 0-0 7. 0-0 Be6 8. Nd5 h6 9. f4 exf4 10. Bxf4 Ne5 11. Bb3 Nxd5 12. exd5 Bg4 13. Qd2 Bh5 14. Ng3 Bg6 15. d4 Nd7 16. c3 Nf6 17. Rae1 Nh7 18. Bc2 Bxc2 19. Qxc2 Bg5 20. Nf5 Bxf4 21. Rxf4 Qg5 22. Ref1 Rae8 23. R1f3 g6 24. Rg3 Qh5 25. Rh3 Qe2 26. Nxh6+ Kg7 27. Qc1 g5 28. Nf5+ Kg8 29. Rxh7 Kxh7 1-0

[Event "Sao Bento do Sul op 07"]
[Site "Sao Bento do Sul"]
[Date "2019.07.13"]
[Round "3"]
[White "Niehues, Luiz Cesar"]
[Black "Jurado, Laura Alves"]
[Result "1-0"]
[ECO "A84"]
[WhiteElo "1537"]
[BlackElo "1192"]
[PlyCount "81"]
[EventDate "2019.07.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. Nc3 f5 5. Bf4 Nf6 6. e3 Bd6 7. Bg3 0-0 8. Ne5 Nbd7 9. f4 Ne4 10. Nxe4 fxe4 11. Be2 Qa5+ 12. Kf2 Nxe5 13. dxe5 Bxe5 14. Kg1 Qc5 15. Qd2 Bxf4 16. Bxf4 Rxf4 17. b4 Qe7 18. exf4 Bd7 19. a3 Rf8 20. Rf1 c5 21. b5 Bxb5 22. cxb5 c4 23. Qe3 Qd6 24. Bxc4 dxc4 25. Qxe4 Qc5+ 26. Rf2 Rd8 27. Qxe6+ Kh8 28. Qe2 h6 29. g3 Rd3 30. Kg2 Qd5+ 31. Kg1 Rd1+ 32. Rf1 Qd4+ 33. Qf2 Qd3 34. Rxd1 Qxd1+ 35. Kg2 Qd5+ 36. Qf3 Qxb5 37. Re1 a6 38. Qe4 Qb2+ 39. Re2 Qb5 40. Qe8+ Qxe8 41. Rxe8+ 1-0

[Event "Sao Bento do Sul op 07"]
[Site "Sao Bento do Sul"]
[Date "2019.07.13"]
[Round "5"]
[White "Pereira, Aline Vitoria"]
[Black "Niehues, Luiz Cesar"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1247"]
[BlackElo "1537"]
[PlyCount "94"]
[EventDate "2019.07.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. Nf3 dxc4 5. e4 b5 6. Bf4 Bb4 7. Be2 Bb7 8. 0-0 Bxc3 9. bxc3 Ne7 10. Rb1 Bc8 11. Qc2 Nd7 12. a4 a6 13. Rb2 Nb6 14. axb5 cxb5 15. Rfb1 0-0 16. Ne1 Bb7 17. Bf3 Ng6 18. Bg3 Qg5 19. Qc1 Qxc1 20. Rxc1 Bc6 21. Nc2 Na4 22. Ra2 Nxc3 23. Ra3 Nxe4 24. Re1 f5 25. Nb4 Bd5 26. Bxe4 Bxe4 27. Bd6 Rfd8 28. Bc5 a5 29. Na2 b4 30. Rae3 Nf4 31. Nc1 Bd5 32. Ne2 Nxg2 33. Nf4 Nxf4 34. Rg3 Nd3 35. Re2 Nxc5 36. dxc5 c3 37. Rc2 Rdc8 38. Re3 Rxc5 39. f4 a4 40. Re5 b3 41. Rc1 c2 42. Re2 Be4 43. Kf2 b2 44. Ree1 bxc1Q 45. Rxc1 a3 46. Ra1 c1Q 47. Rxc1 Rxc1 0-1

[Event "Sao Bento do Sul op 07"]
[Site "Sao Bento do Sul"]
[Date "2019.07.12"]
[Round "2"]
[White "Fischer Junior, Donaldo"]
[Black "Niehues, Luiz Cesar"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1833"]
[BlackElo "1537"]
[PlyCount "103"]
[EventDate "2019.07.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Bg5 Be7 6. Nxc6 bxc6 7. Bd3 0-0 8. 0-0 h6 9. Bh4 d6 10. h3 Nd7 11. Bxe7 Qxe7 12. Nd2 Ne5 13. Be2 Rb8 14. b3 f5 15. exf5 Bxf5 16. Nf3 Rbe8 17. Re1 Qf6 18. Nxe5 Rxe5 19. Bc4+ d5 20. Rxe5 Qxe5 21. Bd3 Bd7 22. Qe1 Re8 23. Qxe5 Rxe5 24. Kf1 Kf7 25. Re1 Ke6 26. f4 Rxe1+ 27. Kxe1 c5 28. Kf2 d4 29. g4 Bc6 30. Kg3 a5 31. h4 a4 32. h5 a3 33. Kh4 Be8 34. g5 Ke7 35. Kg4 Bd7+ 36. Bf5 Be8 37. Bc8 Bf7 38. Ba6 Be6+ 39. Kg3 Bf5 40. Bd3 Bd7 41. Kf3 Be8 42. Kg4 Bd7+ 43. f5 Kf8 44. Bc4 Be8 45. gxh6 gxh6 46. f6 Bd7+ 47. Kf4 Ke8 48. Be2 Kf7 49. Ke5 Be6 50. Bc4 Bxc4 51. bxc4 c6 52. Kf5 1-0

[Event "Sao Bento do Sul op 07"]
[Site "Sao Bento do Sul"]
[Date "2019.07.12"]
[Round "1"]
[White "Niehues, Luiz Cesar"]
[Black "Da Luz, Amanda Beatriz"]
[Result "1-0"]
[ECO "D24"]
[WhiteElo "1537"]
[BlackElo "1010"]
[PlyCount "77"]
[EventDate "2019.07.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nc3 Nf6 4. Nf3 Bf5 5. e3 e6 6. Bxc4 c5 7. Qa4+ Nc6 8. Ne5 Rc8 9. Bb5 Qb6 10. 0-0 a6 11. Bxc6+ bxc6 12. Bd2 cxd4 13. exd4 Be7 14. Rac1 0-0 15. b3 Rfd8 16. Be3 Qb7 17. Qc4 Nd5 18. Qe2 Nxe3 19. fxe3 c5 20. d5 Qc7 21. Nc6 Rd6 22. Nxe7+ Qxe7 23. e4 Bg6 24. e5 Rdd8 25. d6 Qg5 26. Na4 Bh5 27. Qe1 Ra8 28. Rxc5 Qg6 29. Rc7 Qd3 30. Nc5 Qd4+ 31. Kh1 Rac8 32. Nxa6 Rxc7 33. Nxc7 Qb2 34. Rf2 Qa3 35. b4 Qa7 36. b5 Qb6 37. a4 Rd7 38. a5 Qb8 39. b6 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2019.06.23"]
[Round "7"]
[White "Ribeiro, Thiago Liberato"]
[Black "Niehues, Luiz Cesar"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1538"]
[BlackElo "1545"]
[PlyCount "89"]
[EventDate "2019.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. c3 d6 6. Bb3 h6 7. h3 Be6 8. Bxe6 fxe6 9. Qb3 Qc8 10. Be3 0-0 11. Nbd2 Nh5 12. g3 b6 13. a4 a6 14. Qd1 Qe8 15. b4 Nd8 16. d4 exd4 17. cxd4 d5 18. exd5 Bxb4 19. dxe6 Nxe6 20. 0-0 a5 21. Ne5 Nf6 22. Qc2 Rc8 23. Ndf3 Bd6 24. Ng6 Rf7 25. Rfe1 Rd7 26. Rad1 Nd5 27. Qf5 Qf7 28. Ngh4 Qxf5 29. Nxf5 Rf7 30. g4 Rd8 31. Bxh6 gxh6 32. Nxh6+ Kg7 33. Nxf7 Kxf7 34. Ne5+ Kf6 35. h4 Nef4 36. Kh2 Rh8 37. Kg3 Bxe5 38. dxe5+ Ke6 39. h5 c5 40. Re4 Rf8 41. h6 Rf7 42. g5 Ng6 43. Rh1 Ndf4 44. h7 Rf8 45. h8Q 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2019.06.22"]
[Round "5"]
[White "Brandao, Murilo Tavares"]
[Black "Niehues, Luiz Cesar"]
[Result "1/2-1/2"]
[ECO "C63"]
[WhiteElo "1439"]
[BlackElo "1545"]
[PlyCount "74"]
[EventDate "2019.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qg5 8. Qe2 Nf6 9. f4 Qxf4 10. d4 Qh4+ 11. g3 Qh3 12. Nxa7+ Bd7 13. Bxd7+ Kxd7 14. Qb5+ Ke6 15. Qxb7 Qg2 16. Rf1 Bd6 17. Qb3+ Kd7 18. Qb5+ Ke6 19. Qf5+ Kf7 20. Nc6 Rhe8 21. Bg5 e3 22. 0-0-0 e2 23. Ne5+ Kg8 24. Bxf6 exd1Q+ 25. Kxd1 Bxe5 26. Bxe5 Qd5 27. Qg5 Qd7 28. Qf5 Qxf5 29. Rxf5 Rxa2 30. b3 c6 31. Bd6 Ra1+ 32. Kd2 Rae1 33. Rf2 R1e6 34. Bc5 g5 35. c4 Kg7 36. b4 Rf6 37. Rxf6 Kxf6 1/2-1/2

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2019.06.22"]
[Round "6"]
[White "Niehues, Luiz Cesar"]
[Black "Viertler, Sabrina Camargo"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "1545"]
[BlackElo "1461"]
[PlyCount "127"]
[EventDate "2019.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 h6 7. Be3 Nbd7 8. Qd2 Kh7 9. h4 e5 10. d5 Nc5 11. Bxc5 dxc5 12. 0-0-0 Bd7 13. Kb1 Ne8 14. Nh3 f5 15. f3 f4 16. Qe1 a6 17. g3 Qc8 18. Qf1 fxg3 19. Qg2 Nf6 20. Qxg3 Nh5 21. Qh2 Nf4 22. Nxf4 Rxf4 23. Rdg1 Qe8 24. Qg3 Rf6 25. Nd1 b5 26. Ne3 Qe7 27. Ng4 Rb6 28. Ne3 Rf8 29. Rd1 Qf7 30. Rhg1 Qf4 31. Nc2 Qxg3 32. Rxg3 Rf4 33. h5 g5 34. Rh1 Rh4 35. Rgg1 Rxh1 36. Rxh1 Rf6 37. Ne1 Bf8 38. Kc2 Rf4 39. b3 Rh4 40. Rxh4 gxh4 41. Bf1 Kg7 42. Nd3 Bd6 43. Nf2 Kf6 44. Bh3 Ke7 45. Bxd7 Kxd7 46. Ng4 h3 47. Kd2 bxc4 48. bxc4 c6 49. Ke2 cxd5 50. exd5 Ke7 51. Kf2 h2 52. Kg2 Kf8 53. Nxh6 a5 54. Ng4 Kg7 55. Nxh2 Kh6 56. Nf1 Kxh5 57. Ne3 Kg5 58. Nd1 Kg6 59. Nc3 Kf5 60. Nb5 Be7 61. Kf2 e4 62. Ke3 Bg5+ 63. Ke2 exf3+ 64. Kxf3 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2019.06.21"]
[Round "3"]
[White "Calcada, Lucas Galvan"]
[Black "Niehues, Luiz Cesar"]
[Result "0-1"]
[ECO "D78"]
[WhiteElo "1400"]
[BlackElo "1545"]
[PlyCount "122"]
[EventDate "2019.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. d4 d5 4. Bg2 Nf6 5. 0-0 0-0 6. c4 c6 7. Nc3 dxc4 8. Ne5 Nbd7 9. Nxc4 Nb6 10. Ne5 Nfd7 11. Nf3 e5 12. dxe5 Nxe5 13. Nxe5 Bxe5 14. Bh6 Re8 15. Rc1 Qe7 16. Re1 Be6 17. Qc2 Rad8 18. Red1 Bf5 19. e4 Be6 20. h3 Qf6 21. Kh1 g5 22. f4 Bxf4 23. gxf4 Qxh6 24. fxg5 Qxg5 25. Rg1 Kh8 26. Bf1 Qh6 27. Ne2 Rg8 28. Qc3+ f6 29. e5 Bd5+ 30. Bg2 Bxg2+ 31. Rxg2 Rxg2 32. Kxg2 Qg5+ 33. Qg3 Qxe5 34. Qxe5 fxe5 35. Rc2 Nd5 36. Kf3 Kg7 37. Ke4 Kf6 38. Ng3 Ke6 39. Rf2 Nf4 40. Rh2 Rd4+ 41. Ke3 Rd3+ 42. Kf2 Kd5 43. h4 e4 44. Ne2 Nxe2 45. Kxe2 Kd4 46. Rf2 Re3+ 47. Kf1 Rf3 48. Rxf3 exf3 49. Kf2 Ke4 50. h5 c5 51. h6 b5 52. a3 a5 53. b3 a4 54. bxa4 bxa4 55. Kf1 c4 56. Kf2 c3 57. Kg3 c2 58. Kg4 c1Q 59. Kg3 Qg1+ 60. Kh3 Kf4 61. Kh4 Qg4# 0-1

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2019.06.21"]
[Round "4"]
[White "Niehues, Luiz Cesar"]
[Black "Nascimento, Gabriela Vitoria"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "1545"]
[PlyCount "95"]
[EventDate "2019.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 Nbd7 7. Qd2 b6 8. h4 c5 9. d5 Ne5 10. Bh6 e6 11. Bxg7 Kxg7 12. h5 exd5 13. cxd5 Bg4 14. hxg6 fxg6 15. Bxg4 Nexg4 16. f3 Ne5 17. Qh6+ Kg8 18. 0-0-0 Rf7 19. Nh3 Qf8 20. Qh4 Nh5 21. Ng5 Rf4 22. Qh3 Qh6 23. Qe6+ Nf7 24. Nxf7 Rxf7+ 25. Kb1 Qf8 26. Ne2 Re8 27. Qg4 Nf4 28. Ng3 Nxg2 29. Nf5 Rxf5 30. exf5 Ne3 31. Qh3 Qxf5+ 32. Qxf5 Nxf5 33. Rde1 Re3 34. Rxe3 Nxe3 35. Re1 Nf5 36. Re8+ Kf7 37. Ra8 Nd4 38. Rxa7+ Kg8 39. Rb7 Nxf3 40. Rxb6 Kf7 41. a4 h5 42. a5 h4 43. a6 h3 44. a7 h2 45. a8Q h1Q+ 46. Ka2 Qh2 47. Rb7+ Kf6 48. Qf8+ 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2019.06.20"]
[Round "2"]
[White "Niehues, Luiz Cesar"]
[Black "Ataide, Gerson Britto"]
[Result "0-1"]
[ECO "D58"]
[WhiteElo "1545"]
[BlackElo "1419"]
[PlyCount "76"]
[EventDate "2019.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Bg5 Be7 6. e3 0-0 7. Bd3 d5 8. 0-0 h6 9. Bh4 Nbd7 10. Rc1 c5 11. cxd5 Nxd5 12. Bg3 Nxc3 13. bxc3 Nf6 14. Bb1 Rc8 15. h3 cxd4 16. exd4 Ba3 17. Qe2 Bxc1 18. Rxc1 Qd5 19. Be5 b5 20. Qe3 Ne4 21. Re1 Ng5 22. Nh4 f5 23. Qg3 Rf7 24. f4 Ne4 25. Bxe4 fxe4 26. Re3 Qd7 27. Qg6 b4 28. cxb4 Qe7 29. Qh5 Qxb4 30. Rg3 Qe1+ 31. Kh2 Rc1 32. Rg6 Qg1+ 33. Kg3 Rc3+ 34. Kg4 Qd1+ 35. Nf3 exf3 36. Qxh6 fxg2+ 37. Kh4 Rxh3+ 38. Kxh3 Qh1+ 0-1

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2019.06.20"]
[Round "1"]
[White "Zockun, Ivan Zancaner"]
[Black "Niehues, Luiz Cesar"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1214"]
[BlackElo "1545"]
[PlyCount "58"]
[EventDate "2019.06.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 c5 3. Bb2 Nc6 4. e3 d5 5. Bb5 Bd7 6. 0-0 e6 7. d3 Bd6 8. Nbd2 0-0 9. Bxc6 Bxc6 10. Ne5 Qe7 11. f4 Nd7 12. Nxd7 Qxd7 13. Qg4 f6 14. Rf3 Rf7 15. Qh4 e5 16. Rh3 g6 17. Rf1 Re8 18. Rff3 exf4 19. exf4 d4 20. Rfg3 Kf8 21. Qh6+ Ke7 22. Nc4 Kd8 23. Nxd6 Qxd6 24. f5 g5 25. Rxg5 Qd5 26. Qh4 fxg5 27. Qxg5+ Ree7 28. Qd2 Qxf5 29. Qd1 Qf2+ 0-1

[Event "Santa Catarina State-ch 63rd"]
[Site "Timbo"]
[Date "2019.06.09"]
[Round "5"]
[White "Lanznaster, Joao Vitor"]
[Black "Niehues, Luiz Cesar"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1222"]
[BlackElo "1545"]
[PlyCount "40"]
[EventDate "2019.06.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Bc5 5. d3 d6 6. h3 Be6 7. Bb3 h6 8. 0-0 Qd7 9. Bxe6 fxe6 10. Qe2 0-0-0 11. Be3 Nd4 12. Bxd4 exd4 13. Nb1 e5 14. Nbd2 g5 15. Nh2 h5 16. g4 hxg4 17. Nxg4 Nh5 18. Kh2 Nf4 19. Qe1 Rxh3+ 20. Kg1 Qxg4# 0-1

[Event "Santa Catarina State-ch 63rd"]
[Site "Timbo"]
[Date "2019.06.09"]
[Round "6"]
[White "Niehues, Luiz Cesar"]
[Black "Cabral, Mauricio Balluta"]
[Result "1-0"]
[ECO "D24"]
[WhiteElo "1545"]
[BlackElo "1107"]
[PlyCount "69"]
[EventDate "2019.06.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 a6 5. Bg5 dxc4 6. e4 Be7 7. Bxc4 b5 8. Bd3 Nbd7 9. 0-0 Bb7 10. Rc1 0-0 11. Re1 h6 12. Bh4 Rc8 13. Bb1 Nb6 14. Qd3 g6 15. Rcd1 Re8 16. Ne5 Kg7 17. Nxg6 fxg6 18. e5 Ng8 19. Qxg6+ Kf8 20. Bg3 Qd7 21. f4 Nc4 22. f5 Qc6 23. Be4 Qb6 24. fxe6 Nxe5 25. Rf1+ Bf6 26. Bxe5 Rxe6 27. Bxb7 Qxb7 28. Ne4 c6 29. Nxf6 Nxf6 30. Bxf6 Rc7 31. Bd8+ Rf7 32. Qxe6 Qa7 33. Rxf7+ Qxf7 34. Rf1 Qxf1+ 35. Kxf1 1-0

[Event "Santa Catarina State-ch 63rd"]
[Site "Timbo"]
[Date "2019.06.08"]
[Round "4"]
[White "De Freitas, Sidinei Melo"]
[Black "Niehues, Luiz Cesar"]
[Result "1-0"]
[ECO "C28"]
[BlackElo "1545"]
[PlyCount "79"]
[EventDate "2019.06.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc3 d6 5. f4 exf4 6. Bxf4 Be7 7. Nf3 0-0 8. a3 a6 9. h3 Be6 10. Nd5 Nd7 11. 0-0 Nce5 12. Ba2 c6 13. Nxe7+ Qxe7 14. c4 f6 15. Qc2 c5 16. Rad1 b5 17. b3 Nxf3+ 18. Rxf3 Ne5 19. Rg3 Ng6 20. Qf2 f5 21. Re1 fxe4 22. Rxe4 Qf6 23. Rf3 Nh4 24. Rfe3 Bf5 25. Be5 dxe5 26. Rxh4 Rae8 27. cxb5 axb5 28. b4+ Kh8 29. bxc5 Qc6 30. Rf3 g6 31. g4 Qxf3 32. Qxf3 Be6 33. Qe2 Bxa2 34. Qxa2 Rf3 35. Qd5 Ref8 36. Kg2 Rf2+ 37. Kg3 R8f6 38. c6 g5 39. Rh6 Rxh6 40. Kxf2 1-0

[Event "Santa Catarina State-ch 63rd"]
[Site "Timbo"]
[Date "2019.06.07"]
[Round "2"]
[White "De Novais, Kaua Joaquim"]
[Black "Niehues, Luiz Cesar"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1127"]
[BlackElo "1545"]
[PlyCount "80"]
[EventDate "2019.06.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 c5 2. g3 d5 3. b3 Nf6 4. Bg2 Nc6 5. d3 e5 6. Bg5 Be7 7. Bxf6 Bxf6 8. Bxd5 e4 9. Nd2 Bxa1 10. Qxa1 Nd4 11. Qb2 exd3 12. exd3 0-0 13. Ne4 Re8 14. Ne2 Nxe2 15. Qxe2 Be6 16. Bxb7 Rb8 17. Bc6 Re7 18. Ng5 Bd5 19. Ne4 Bxc6 20. 0-0 Bxe4 21. dxe4 Qd4 22. Rd1 Qxe4 23. Qxe4 Rxe4 24. Rd5 Re2 25. a3 Rb2 26. b4 cxb4 27. axb4 R2xb4 28. c5 Kf8 29. Rd6 Ke7 30. Ra6 R8b7 31. c6 Rc7 32. Ra5 Rc4 33. Re5+ Kd6 34. f4 R4xc6 35. Kg2 Rc5 36. Re4 Rc2+ 37. Kh3 f5 38. Re5 Rf7 39. Kh4 Rf6 40. Kh3 Rh6# 0-1

[Event "Santa Catarina State-ch 63rd"]
[Site "Timbo"]
[Date "2019.06.07"]
[Round "1"]
[White "Niehues, Luiz Cesar"]
[Black "Starke, Bruno Orlando"]
[Result "0-1"]
[ECO "D48"]
[WhiteElo "1545"]
[BlackElo "2202"]
[PlyCount "52"]
[EventDate "2019.06.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. e3 Nf6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. 0-0 c5 10. dxc5 Nxc5 11. Be2 Bb7 12. b4 Qxd1 13. Rxd1 Nce4 14. Nxb5 axb5 15. Bxb5+ Ke7 16. Bb2 Nd5 17. a4 f6 18. Rac1 Kf7 19. Nd4 Bxb4 20. Bd7 Nc5 21. Rxc5 Bxc5 22. Bxe6+ Ke7 23. Bxd5 Bxd5 24. Nf5+ Ke6 25. Nxg7+ Kf7 26. Rxd5 Rhd8 0-1

[Event "Florianopolis op 5th"]
[Site "Florianopolis"]
[Date "2019.01.27"]
[Round "10"]
[White "Niehues, Luiz Cesar"]
[Black "Boabaid, Jorge Alberto Duard"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "1540"]
[BlackElo "1868"]
[PlyCount "86"]
[EventDate "2019.01.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Nf3 c6 6. Bg5 Bb4 7. Bxf6 Qxf6 8. e3 0-0 9. Be2 Bd6 10. Rc1 Nd7 11. h3 Re8 12. Kf1 Nf8 13. Qd2 Qh6 14. Re1 Bf5 15. Bd3 Be4 16. Bxe4 dxe4 17. Nh2 f5 18. f4 exf3 19. Nxf3 Bg3 20. Re2 Ng6 21. h4 Qh5 22. Rh3 Bc7 23. Qe1 Rad8 24. Qd1 Kh8 25. Qb3 Ne7 26. Ng5 Nd5 27. Nxd5 cxd5 28. Qxb7 Re7 29. Qc6 Rd6 30. Qc2 Rf6 31. Qd3 Qe8 32. Kf2 h6 33. Kf1 Rc6 34. Nf3 Rc1+ 35. Kf2 f4 36. Ne1 Re4 37. Rf3 Qh5 38. Rh3 Bb6 39. Qd2 Rc6 40. Rf3 Qxh4+ 41. Kg1 Rf6 42. Nc2 Qg4 43. Rxf4 Rfxf4 0-1

[Event "Florianopolis op 5th"]
[Site "Florianopolis"]
[Date "2019.01.26"]
[Round "8"]
[White "Niehues, Luiz Cesar"]
[Black "Bonfim, Regina Rodrigues"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1540"]
[BlackElo "1708"]
[PlyCount "153"]
[EventDate "2019.01.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Nf3 Be7 6. Bg5 c6 7. e3 0-0 8. Bd3 Bg4 9. Bxf6 Bxf6 10. Qc2 h6 11. h3 Be6 12. 0-0-0 b5 13. Rdg1 a5 14. g4 Nd7 15. h4 Be7 16. h5 Kh8 17. g5 c5 18. gxh6 gxh6 19. Nxb5 cxd4 20. exd4 Rc8 21. Nc3 Bf6 22. Bf5 Qb6 23. Bxe6 Qxe6 24. Kd2 Rg8 25. Qd3 Qb6 26. Rb1 Qd6 27. Qf5 Nb6 28. Rhg1 a4 29. a3 Nc4+ 30. Kc2 Nb6 31. Kd3 Rce8 32. Rbe1 Rxe1 33. Rxe1 Rf8 34. Ne5 Bxe5 35. Rxe5 Qc6 36. Qf4 Kg7 37. Qf5 Rd8 38. Qg4+ Kf8 39. Qh4 Rd7 40. Qg3 Qc4+ 41. Ke3 Qc7 42. Kd3 Nc4 43. Re2 Qb7 44. Qf4 Qa6 45. Kc2 Rb7 46. Kc1 Qc6 47. Qf3 Rd7 48. Qf5 Rd6 49. Qf4 Re6 50. Rxe6 Qxe6 51. Qb8+ Kg7 52. Qg3+ Kh7 53. Qd3+ Kh8 54. Qd1 Qf5 55. Qe2 Qf4+ 56. Kb1 Qxd4 57. Qc2 Nd2+ 58. Ka1 Nb3+ 59. Kb1 Qc4 60. Qe2 Qf4 61. Qe3 Qf5+ 62. Ka2 Kh7 63. Nxa4 d4 64. Qxb3 Qxf2 65. Nc5 Kg7 66. Qd3 Qh4 67. Qf3 Qe7 68. Nd3 Qe6+ 69. b3 Kh7 70. a4 f5 71. Qb7+ Kg8 72. Qb8+ Kg7 73. Qe5+ Qxe5 74. Nxe5 f4 75. b4 d3 76. Nxd3 f3 77. a5 1-0

[Event "Florianopolis op 5th"]
[Site "Florianopolis"]
[Date "2019.01.26"]
[Round "9"]
[White "Rocancourt Moreira, Mauricio"]
[Black "Niehues, Luiz Cesar"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "1777"]
[BlackElo "1540"]
[PlyCount "122"]
[EventDate "2019.01.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 Nc6 5. Bf4 Nf6 6. e3 e6 7. Nc3 Be7 8. Rc1 a6 9. Bd3 0-0 10. 0-0 h6 11. Qe2 Nd7 12. e4 dxe4 13. Nxe4 Nb4 14. Bc7 Qe8 15. Bb1 Nd5 16. Nd6 Bxd6 17. Bxd6 N7f6 18. Rfe1 b6 19. Bxf8 Qxf8 20. g3 Bb7 21. Ne5 Qd6 22. Qc2 Re8 23. a3 Re7 24. Qd3 Rc7 25. Ba2 Ne7 26. Bb3 b5 27. Rxc7 Qxc7 28. f3 Ba8 29. Qd2 Qb7 30. Bd1 h5 31. h3 Qd5 32. Re3 Nf5 33. Rc3 Bb7 34. Kh2 Qxd4 35. Qxd4 Nxd4 36. Rc7 Bd5 37. Ra7 g5 38. Rxa6 g4 39. hxg4 hxg4 40. fxg4 Ne4 41. Nf3 Nxf3+ 42. Bxf3 Nc5 43. Bxd5 Nxa6 44. Bc6 b4 45. Bb5 bxa3 46. bxa3 Nc5 47. a4 Nb7 48. Kg2 Kg7 49. Bc6 Na5 50. Be8 f6 51. Kf3 Kf8 52. Bb5 Ke7 53. Ke3 Kd6 54. Kd3 Ke5 55. Ke3 Nb7 56. Bc6 Na5 57. Bb5 Nb7 58. Be2 Na5 59. Bd3 Nb3 60. Bb5 Na5 61. Ba6 Nb3 1/2-1/2

[Event "Florianopolis op 5th"]
[Site "Florianopolis"]
[Date "2019.01.24"]
[Round "6"]
[White "Niehues, Luiz Cesar"]
[Black "Pereira, Armando Scharlau"]
[Result "0-1"]
[ECO "D55"]
[WhiteElo "1540"]
[BlackElo "1760"]
[PlyCount "56"]
[EventDate "2019.01.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. Nf3 0-0 7. e3 h6 8. Bxf6 Bxf6 9. Bd3 Re8 10. 0-0 c6 11. h3 a5 12. Rc1 Na6 13. Bb1 Nc7 14. Ne2 Ne6 15. Qc2 g6 16. Ng3 Ng5 17. Nxg5 hxg5 18. Rce1 g4 19. hxg4 Bxg4 20. f3 Bh4 21. fxg4 Bxg3 22. Rxf7 Kxf7 23. Rf1+ Ke7 24. Qxg6 Kd7 25. Rf7+ Kc8 26. Bf5+ Kb8 27. Rd7 Qxd7 28. Bxd7 Rxe3 0-1

[Event "Florianopolis op 5th"]
[Site "Florianopolis"]
[Date "2019.01.24"]
[Round "5"]
[White "Zottis, Pietro"]
[Black "Niehues, Luiz Cesar"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1540"]
[PlyCount "86"]
[EventDate "2019.01.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Bc5 5. 0-0 d6 6. h3 0-0 7. d3 h6 8. Nh2 a6 9. a3 Be6 10. Qf3 Nd4 11. Qg3 Nh5 12. Qe3 Bxc4 13. dxc4 f5 14. Ne2 Nxc2 15. Qf3 Qh4 16. g3 Qxh3 17. b4 fxe4 18. Qh1 Nxg3 19. Nxg3 Qxg3+ 20. Qg2 Qxg2+ 21. Kxg2 Rxf2+ 22. Rxf2 Bxf2 23. Kxf2 Nxa1 24. Bb2 Nc2 25. Ke2 Rf8 26. c5 h5 27. cxd6 cxd6 28. Kd2 e3+ 29. Kxc2 Rf2+ 30. Kd1 Rxh2 31. Bc1 Rh1+ 32. Kc2 Rxc1+ 33. Kxc1 h4 34. Kd1 h3 35. Ke2 h2 36. Kxe3 h1Q 37. a4 d5 38. Kd2 Qf3 39. b5 e4 40. bxa6 bxa6 41. a5 e3+ 42. Ke1 Qf2+ 43. Kd1 Qd2# 0-1

[Event "Florianopolis op 5th"]
[Site "Florianopolis"]
[Date "2019.01.22"]
[Round "2"]
[White "Niehues, Luiz Cesar"]
[Black "Souza, Rafael Cabral de"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "1540"]
[BlackElo "2142"]
[PlyCount "56"]
[EventDate "2019.01.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nc6 5. Be3 Nf6 6. Be2 0-0 7. h4 e5 8. d5 Nd4 9. Bxd4 exd4 10. Qxd4 Re8 11. Qd3 Qe7 12. f3 Nh5 13. 0-0-0 Ng3 14. Nh3 Nxh1 15. Rxh1 Qxh4 16. Nb5 Qe7 17. Nf2 a6 18. Nc3 b5 19. f4 bxc4 20. Qf3 Rb8 21. g4 Qf6 22. g5 Qd4 23. f5 Rxb2 24. Kxb2 Qd2+ 25. Kb1 Bxc3 26. Nd1 Bd4 27. Bxc4 Rxe4 28. Bb3 Bxf5 0-1

[Event "Florianopolis op 5th"]
[Site "Florianopolis"]
[Date "2019.01.22"]
[Round "3"]
[White "Rahn, Marlon Cristiano"]
[Black "Niehues, Luiz Cesar"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1057"]
[BlackElo "1540"]
[PlyCount "63"]
[EventDate "2019.01.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 c5 4. Bg2 Nc6 5. d3 Be7 6. Nf3 d6 7. e4 h6 8. 0-0 Be6 9. a3 Qd7 10. Be3 Bg4 11. Qd2 g5 12. Ne1 Nd4 13. f3 Bh3 14. b4 Nb3 15. Qb2 Nxa1 16. Qxa1 b6 17. g4 Bxg2 18. Nxg2 0-0 19. h4 Nh7 20. Nd5 Bd8 21. hxg5 hxg5 22. Kf2 Nf6 23. Bxg5 Nxg4+ 24. fxg4 Bxg5 25. Kg3 Kg7 26. Rf5 f6 27. Nh4 Bxh4+ 28. Kxh4 Rh8+ 29. Rh5 Rxh5+ 30. gxh5 Rg8 31. Qg1+ Kf7 32. Qxg8+ 1-0

[Event "Florianopolis op 5th"]
[Site "Florianopolis"]
[Date "2019.01.21"]
[Round "1"]
[White "De Borba, Gabriel"]
[Black "Niehues, Luiz Cesar"]
[Result "1-0"]
[ECO "C63"]
[WhiteElo "2030"]
[BlackElo "1540"]
[PlyCount "43"]
[EventDate "2019.01.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qg5 8. Qe2 Nf6 9. f4 Qxf4 10. Nxa7+ Bd7 11. Bxd7+ Nxd7 12. Nb5 0-0-0 13. d4 Qh4+ 14. g3 Qh3 15. Bf4 Bb4+ 16. c3 Ba5 17. Qc4 Qg2 18. 0-0-0 Kb8 19. Bxc7+ Bxc7 20. Qxc7+ Ka8 21. Nd6 e3 22. d5 1-0

[Event "Blumenau STD op"]
[Site "Blumenau"]
[Date "2018.09.30"]
[Round "6"]
[White "Brand, Oliver"]
[Black "Niehues, Luiz Cesar"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1758"]
[BlackElo "1576"]
[PlyCount "50"]
[EventDate "2018.09.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Bc5 5. 0-0 d6 6. d3 h6 7. h3 Be6 8. Bxe6 fxe6 9. Be3 Bb6 10. Bxb6 axb6 11. d4 exd4 12. Nxd4 e5 13. Nf3 0-0 14. Re1 Ne7 15. Nd5 Nfxd5 16. exd5 Ng6 17. Re4 Qf6 18. Qd2 Nf4 19. Re3 Rf7 20. a3 Raf8 21. Rf1 Qg6 22. Nh4 Qg5 23. g3 Nxh3+ 24. Kg2 Rxf2+ 25. Rxf2 Rxf2+ 0-1

[Event "Blumenau STD op"]
[Site "Blumenau"]
[Date "2018.09.30"]
[Round "5"]
[White "Niehues, Luiz Cesar"]
[Black "Soares, Gustavo Henrique"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "1576"]
[BlackElo "1656"]
[PlyCount "84"]
[EventDate "2018.09.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. a3 b6 5. Nc3 Bb7 6. Bg5 Be7 7. e3 Nbd7 8. Bd3 h6 9. Bxf6 Bxf6 10. cxd5 exd5 11. 0-0 0-0 12. Rc1 Be7 13. Qe2 c5 14. Bb1 Nf6 15. Ne5 Bd6 16. Qc2 Re8 17. f4 Ne4 18. Rf3 f6 19. Ng4 Rc8 20. Rcf1 Qd7 21. Nf2 f5 22. Ba2 Nxc3 23. bxc3 cxd4 24. exd4 Kh8 25. Nd3 Ba6 26. Bxd5 Bxa3 27. Qa2 Bxd3 28. Rxd3 Bd6 29. g3 Re7 30. Qg2 Qe8 31. c4 a5 32. Qf3 a4 33. Rf2 a3 34. Kg2 Qa4 35. Ra2 Re1 36. c5 bxc5 37. Rdxa3 Qxd4 38. Ra8 Ree8 39. R8a7 Re3 40. R7a4 Qd3 41. Bc4 Rxf3 42. Bxd3 Rxd3 0-1

[Event "Blumenau STD op"]
[Site "Blumenau"]
[Date "2018.09.29"]
[Round "3"]
[White "Mascarenhas, Alfredo C Viana"]
[Black "Niehues, Luiz Cesar"]
[Result "1-0"]
[ECO "E48"]
[WhiteElo "1783"]
[BlackElo "1576"]
[PlyCount "49"]
[EventDate "2018.09.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. e3 Bb4 5. Bd3 Nf6 6. cxd5 exd5 7. Nge2 0-0 8. Qc2 Re8 9. 0-0 h6 10. f3 Nbd7 11. e4 dxe4 12. fxe4 Nb6 13. a3 Be7 14. h3 Be6 15. b3 Qd7 16. e5 Nfd5 17. Ne4 Rad8 18. Rf3 f6 19. Nc5 Bxc5 20. dxc5 Nc8 21. Bxh6 gxh6 22. Raf1 Re7 23. Nd4 fxe5 24. Nxe6 e4 25. Rf8+ 1-0

[Event "Blumenau STD op"]
[Site "Blumenau"]
[Date "2018.09.29"]
[Round "4"]
[White "Niehues, Luiz Cesar"]
[Black "Da Silva, Matheus Augusto Bra"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "1576"]
[BlackElo "1728"]
[PlyCount "53"]
[EventDate "2018.09.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 dxc4 4. e4 Nc6 5. d5 Ne5 6. f4 Ned7 7. Bxc4 Nb6 8. Bb3 e6 9. Nf3 Bb4 10. 0-0 Bc5+ 11. Kh1 c6 12. dxe6 Bxe6 13. Bxe6 fxe6 14. Qc2 Qc7 15. e5 Nfd5 16. Ng5 Be3 17. Nxe6 Qe7 18. Nxd5 Nxd5 19. Ng5 Bxf4 20. Bxf4 Nxf4 21. Rxf4 Qxg5 22. Qd2 Rf8 23. Rxf8+ Kxf8 24. Qxg5 Kf7 25. Rd1 h6 26. Rd7+ Kg8 27. Qxg7# 1-0

[Event "Blumenau STD op"]
[Site "Blumenau"]
[Date "2018.09.28"]
[Round "2"]
[White "Lima da Silva, Christian Ghabriel"]
[Black "Niehues, Luiz Cesar"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1803"]
[BlackElo "1576"]
[PlyCount "72"]
[EventDate "2018.09.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Bc5 5. d3 h6 6. 0-0 0-0 7. Be3 Bb6 8. Qd2 Kh7 9. Rad1 d6 10. h3 Be6 11. Bb3 Qd7 12. Kh2 Nh5 13. d4 exd4 14. Nxd4 Ne5 15. f4 Nc4 16. Bxc4 Bxc4 17. Rf2 c6 18. b3 Ba6 19. Nf5 Bc7 20. Nxd6 Rad8 21. e5 g6 22. Nce4 Qe7 23. Nc5 Ng7 24. Nxa6 bxa6 25. Bxa7 Bxd6 26. Bb6 Bc7 27. Qa5 Bxb6 28. Qxb6 Rxd1 29. Qxc6 Rfd8 30. Qxa6 R1d2 31. Rxd2 Rxd2 32. c4 Nf5 33. Qa5 Qd7 34. c5 Qd3 35. Kg1 Rd1+ 36. Kf2 Qe3# 0-1

[Event "Blumenau STD op"]
[Site "Blumenau"]
[Date "2018.09.28"]
[Round "1"]
[White "Niehues, Luiz Cesar"]
[Black "Oliveira, Jonathan De"]
[Result "0-1"]
[ECO "D87"]
[WhiteElo "1576"]
[BlackElo "2172"]
[PlyCount "72"]
[EventDate "2018.09.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 0-0 9. 0-0 Bg4 10. f3 Bd7 11. Rb1 Nc6 12. Be3 Qc7 13. Bb5 Rad8 14. Bxc6 Bxc6 15. d5 b6 16. Qb3 Bd7 17. c4 Qc8 18. Qa3 Qa8 19. Qa6 e6 20. a4 f5 21. a5 Bc8 22. Qb5 exd5 23. cxd5 Rde8 24. axb6 axb6 25. Qxb6 fxe4 26. Bxc5 Rf6 27. Qc7 Rf7 28. Qb6 exf3 29. Ng3 Qxd5 30. gxf3 Rb7 31. Qd6 Bd4+ 32. Kg2 Qxc5 33. Qxc5 Bxc5 34. Ne4 Rxb1 35. Rxb1 Bf5 36. Nf6+ Kf7 0-1

[Event "Sao Bento do Sul op 08"]
[Site "Sao Bento do Sul"]
[Date "2018.08.26"]
[Round "6"]
[White "Saurim, Leticia Aparecida11"]
[Black "Niehues, Luiz Cesar"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1365"]
[BlackElo "1576"]
[PlyCount "69"]
[EventDate "2018.08.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. Nc3 Bc5 4. Nf3 Nc6 5. d3 h6 6. 0-0 d6 7. h3 0-0 8. Nd5 Na5 9. b4 Nxc4 10. dxc4 Nxd5 11. bxc5 Nf6 12. Ba3 Nxe4 13. Re1 Nxc5 14. Nxe5 Be6 15. Bxc5 dxc5 16. Qd3 Qf6 17. Qe4 c6 18. g4 Rad8 19. Rab1 Rd4 20. Qe2 b6 21. c3 Rf4 22. Qe3 h5 23. f3 hxg4 24. fxg4 Rd8 25. Rf1 Rxf1+ 26. Rxf1 Qh4 27. Kg2 Qh7 28. Rf2 Qb1 29. Rd2 Rxd2+ 30. Qxd2 Qe4+ 31. Nf3 Bxc4 32. Qd8+ Kh7 33. Qh4+ Kg8 34. Qd8+ Kh7 35. Qh4+ 1/2-1/2

[Event "Sao Bento do Sul op 08"]
[Site "Sao Bento do Sul"]
[Date "2018.08.25"]
[Round "3"]
[White "Niehues, Luiz Cesar"]
[Black "Rahn, Marlon Cristiano"]
[Result "1-0"]
[ECO "D52"]
[WhiteElo "1576"]
[BlackElo "1007"]
[PlyCount "78"]
[EventDate "2018.08.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Nf3 Nf6 5. Bg5 Nbd7 6. e3 c6 7. Bd3 h6 8. Bh4 Qa5 9. Qc2 Ne4 10. Bxe4 dxe4 11. Nd2 Qh5 12. Bg3 Nf6 13. Ncxe4 Qf5 14. 0-0 0-0 15. Nxf6+ Qxf6 16. a3 Ba5 17. b4 Bd8 18. Be5 Qe7 19. c5 Bc7 20. Bxc7 Qxc7 21. Ne4 e5 22. Nd6 Be6 23. dxe5 Qd7 24. f4 f5 25. Rad1 Bd5 26. e4 fxe4 27. Nxe4 Qe7 28. Nd6 b6 29. Rde1 bxc5 30. bxc5 Rab8 31. f5 Qg5 32. Rf2 Rb3 33. e6 Rf3 34. Rxf3 Bxf3 35. e7 Rb8 36. e8Q+ Rxe8 37. Rxe8+ Kh7 38. Rh8+ Kxh8 39. Nf7+ Kh7 1-0

[Event "Sao Bento do Sul op 08"]
[Site "Sao Bento do Sul"]
[Date "2018.08.25"]
[Round "4"]
[White "Pereira, Aline Vitoria"]
[Black "Niehues, Luiz Cesar"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1267"]
[BlackElo "1576"]
[PlyCount "80"]
[EventDate "2018.08.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Ne4 7. f4 Qh4+ 8. g3 Nxg3 9. hxg3 Qxh1 10. Nd2 Ba6 11. b3 Bb4 12. Kf2 Bc5+ 13. Ke1 Qg1 14. Qf3 0-0 15. Ne4 Bb6 16. Ba3 Bxf1 17. Bxf8 Bg2+ 18. Kd2 Qd4+ 19. Qd3 Bxe4 20. Qxd4 Bxd4 21. Re1 Bxc2 22. Kxc2 Kxf8 23. Rd1 c5 24. b4 d6 25. Kb3 Rb8 26. a3 a5 27. Ka4 axb4 28. exd6 cxd6 29. Rxd4 cxd4 30. axb4 Ke7 31. Kb3 d5 32. Kc2 Rxb4 33. Kd3 h5 34. Ke2 Rb3 35. Kf2 Kf6 36. Kg2 Kf5 37. Kh3 d3 38. Kh4 d2 39. Kxh5 d1Q+ 40. Kh4 Qg4# 0-1

[Event "Sao Bento do Sul op 08"]
[Site "Sao Bento do Sul"]
[Date "2018.08.25"]
[Round "2"]
[White "Warginowski, Leticia"]
[Black "Niehues, Luiz Cesar"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1205"]
[BlackElo "1576"]
[PlyCount "85"]
[EventDate "2018.08.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. Nf3 h6 4. h3 e6 5. e3 Nc6 6. Be2 Bd6 7. Ne5 Bxe5 8. dxe5 Nd7 9. Bb5 a6 10. Bxc6 bxc6 11. Nd2 c5 12. c4 c6 13. 0-0 a5 14. Qa4 Bb7 15. Rac1 0-0 16. Nb3 Nb6 17. Qa3 Nxc4 18. Qxc5 Nxb2 19. Qd4 Nc4 20. Nc5 Ba6 21. Nxa6 Rxa6 22. Rfd1 Ra8 23. Qc5 Qc7 24. e4 Rfc8 25. exd5 cxd5 26. Qb5 Rab8 27. Qa4 Rb4 28. Qc2 Qb7 29. Qe2 Rb8 30. Qg4 Kh7 31. Rd3 Nxe5 32. Qe2 Nxd3 33. Qxd3+ Kg8 34. Qg3 Rb1 35. Bxh6 Rxc1+ 36. Kh2 f6 37. Bxc1 Rc8 38. Be3 Qc7 39. f4 e5 40. Qg4 d4 41. Bd2 e4 42. Qe6+ Kh7 43. Qxe4+ 1-0

[Event "Sao Bento do Sul op 08"]
[Site "Sao Bento do Sul"]
[Date "2018.08.24"]
[Round "1"]
[White "Niehues, Luiz Cesar"]
[Black "Moretto, Heitor Frainer"]
[Result "1/2-1/2"]
[ECO "D43"]
[WhiteElo "1576"]
[PlyCount "77"]
[EventDate "2018.08.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 Bd6 5. Bg5 c6 6. e3 h6 7. Bxf6 Qxf6 8. Be2 0-0 9. 0-0 Nd7 10. e4 dxe4 11. Nxe4 Qe7 12. Nxd6 Qxd6 13. Qc2 c5 14. Rad1 cxd4 15. Rxd4 Qe7 16. Rfd1 Nf6 17. h3 b6 18. Qa4 Qe8 19. Qc2 Qe7 20. Ne1 Bb7 21. Bf3 Bxf3 22. Nxf3 Rfd8 23. b3 Rxd4 24. Rxd4 Rd8 25. Qd3 Rxd4 26. Qxd4 Qd7 27. Qe5 Kh7 28. b4 Qd1+ 29. Kh2 Qc2 30. c5 bxc5 31. bxc5 Nd7 32. Qc7 Nxc5 33. Qxf7 Qxa2 34. Ne5 Qa1 35. Qg6+ Kg8 36. Qf7+ Kh7 37. Qg6+ Kg8 38. Qf7+ Kh7 39. Qg6+ 1/2-1/2

[Event "Sao Bento do Sul op 06"]
[Site "Sao Bento do Sul"]
[Date "2018.06.17"]
[Round "6"]
[White "Lino, Tiffany Marcele"]
[Black "Niehues, Luiz Cesar"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "1384"]
[BlackElo "1572"]
[PlyCount "51"]
[EventDate "2018.06.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 h6 5. Nf3 c5 6. e3 0-0 7. Be2 b6 8. 0-0 cxd4 9. exd4 Bb7 10. h3 d5 11. a3 Bxc3 12. Qxc3 dxc4 13. Qxc4 Nbd7 14. Rd1 Nd5 15. Bd2 N7f6 16. Rac1 Qe7 17. Ne5 Rfc8 18. Qd3 a5 19. Nf3 Ba6 20. Rxc8+ Bxc8 21. Rc1 Bb7 22. Qb5 Rc8 23. Rxc8+ Bxc8 24. Qc4 Bb7 25. Qb5 Qc7 26. Qc4 0-1

[Event "Sao Bento do Sul op 06"]
[Site "Sao Bento do Sul"]
[Date "2018.06.17"]
[Round "5"]
[White "Niehues, Luiz Cesar"]
[Black "Zimmermann, Kleber Renato P"]
[Result "0-1"]
[ECO "A58"]
[WhiteElo "1572"]
[BlackElo "1893"]
[PlyCount "58"]
[EventDate "2018.06.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nf3 g6 7. g3 d6 8. Bg2 Bg7 9. 0-0 0-0 10. Re1 Nbd7 11. Nc3 Qa5 12. e4 Ng4 13. Bd2 Rfb8 14. Ne2 Qb6 15. Bc3 Bxc3 16. bxc3 Qb2 17. h3 Nge5 18. Nxe5 Nxe5 19. Nf4 Qxc3 20. Rb1 Bc4 21. Rxb8+ Rxb8 22. Re3 Qb2 23. Qa4 Qxa2 24. Ra3 Rb1+ 25. Kh2 Qxf2 26. Qe8+ Kg7 27. Ne6+ fxe6 28. Qxe7+ Nf7 29. h4 Rb2 0-1

[Event "Sao Bento do Sul op 06"]
[Site "Sao Bento do Sul"]
[Date "2018.06.16"]
[Round "3"]
[White "Blaskosky, Vinicius"]
[Black "Niehues, Luiz Cesar"]
[Result "0-1"]
[ECO "A33"]
[BlackElo "1572"]
[PlyCount "94"]
[EventDate "2018.06.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Bg5 Be7 7. e3 0-0 8. Be2 Qa5 9. Bxf6 Bxf6 10. Nf3 Bxc3+ 11. bxc3 Qxc3+ 12. Nd2 b6 13. 0-0 Bb7 14. Nf3 Rfd8 15. Qb3 Qxb3 16. axb3 d5 17. Rfd1 dxc4 18. Bxc4 Na5 19. Rxd8+ Rxd8 20. h3 Bxf3 21. gxf3 Nxc4 22. bxc4 a5 23. Rb1 Ra8 24. Rxb6 a4 25. Rb1 a3 26. c5 Kf8 27. c6 a2 28. Ra1 Ke7 29. c7 Kd7 30. c8B+ Kxc8 31. Kg2 Kc7 32. e4 Kb6 33. f4 Kb5 34. Kg3 Kb4 35. Kg4 Kb3 36. f5 exf5+ 37. Kxf5 Kb2 38. Re1 a1Q 39. Re2+ Kc3 40. Re3+ Kd4 41. e5 Qb1+ 42. Kf4 Ra5 43. Kf3 Kd5 44. Re2 Qd1 45. h4 Ra3+ 46. Kg2 Qxe2 47. Kg1 Qg4+ 0-1

[Event "Sao Bento do Sul op 06"]
[Site "Sao Bento do Sul"]
[Date "2018.06.16"]
[Round "4"]
[White "Niehues, Luiz Cesar"]
[Black "Purim, Kaiane"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1572"]
[PlyCount "29"]
[EventDate "2018.06.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nc6 2. c4 e6 3. Nf3 d5 4. Nc3 Nf6 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 e5 8. Nxd5 Qe6 9. Nxc7+ Kd8 10. Nxe6+ Bxe6 11. d5 Bd7 12. dxc6 bxc6 13. Nxe5 Kc8 14. Qxd7+ Kb8 15. Nxc6# 1-0

[Event "Sao Bento do Sul op 06"]
[Site "Sao Bento do Sul"]
[Date "2018.06.16"]
[Round "2"]
[White "Niehues, Luiz Cesar"]
[Black "Volkmann, Andre Jordi"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1572"]
[BlackElo "1933"]
[PlyCount "46"]
[EventDate "2018.06.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. Nc3 dxc4 5. a4 Bb4 6. e3 b5 7. axb5 cxb5 8. Be2 Nf6 9. 0-0 Bxc3 10. bxc3 0-0 11. Ne5 Bb7 12. Ba3 Re8 13. Bf3 Nd5 14. Qc2 Nc6 15. Nxf7 Kxf7 16. Qxh7 Nf6 17. Qh5+ Nxh5 18. Bxh5+ Kg8 19. e4 b4 20. Bb2 bxc3 21. Bxc3 Nxd4 22. Rae1 Qd7 23. Re3 a5 0-1

[Event "Sao Bento do Sul op 06"]
[Site "Sao Bento do Sul"]
[Date "2018.06.15"]
[Round "1"]
[White "Ribeiro, Kauan Rafael"]
[Black "Niehues, Luiz Cesar"]
[Result "0-1"]
[ECO "C20"]
[BlackElo "1572"]
[PlyCount "36"]
[EventDate "2018.06.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Qh5 Nc6 3. Bc4 Qe7 4. Nf3 Nf6 5. Qg5 h6 6. Qg3 Nxe4 7. Qg4 d5 8. Qh5 g6 9. Qh4 g5 10. Nxg5 Nxg5 11. Bxd5 Nf3+ 12. gxf3 Qxh4 13. Nc3 Bc5 14. 0-0 Bh3 15. d4 Rg8+ 16. Kh1 Bg2+ 17. Kg1 Bxf3+ 18. Bg5 Rxg5# 0-1

[Event "Florianopolis op 4th"]
[Site "Florianopolis"]
[Date "2018.01.24"]
[Round "8"]
[White "Niehues, Luiz Cesar"]
[Black "Carvalho, Isis"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "1595"]
[BlackElo "1309"]
[PlyCount "78"]
[EventDate "2018.01.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 Nbd7 7. Qd2 e5 8. d5 Nc5 9. f3 a5 10. h4 h5 11. Bh6 Qe7 12. Bxg7 Kxg7 13. Nh3 Nh7 14. Nf2 Bd7 15. g4 Nf6 16. gxh5 Nxh5 17. 0-0-0 Ng3 18. Rh2 Qf6 19. Rg1 Nxe2+ 20. Nxe2 Qxf3 21. Rg3 Qf6 22. h5 Rh8 23. Qe3 a4 24. Rf3 Qe7 25. hxg6 fxg6 26. Rg2 a3 27. bxa3 Ra4 28. Rfg3 Rxc4+ 29. Kd2 Rh6 30. Qxh6+ Kxh6 31. Rxg6+ Kh7 32. Ng3 Rd4+ 33. Ke3 Ra4 34. Nf5 Rxa3+ 35. Kd2 Rxa2+ 36. Ke1 Bxf5 37. exf5 Nd3+ 38. Nxd3 Qh4+ 39. Nf2 Qb4+ 0-1

[Event "Florianopolis op 4th"]
[Site "Florianopolis"]
[Date "2018.01.22"]
[Round "5"]
[White "Gomes, Guilherme Rodrigues"]
[Black "Niehues, Luiz Cesar"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "1800"]
[BlackElo "1595"]
[PlyCount "55"]
[EventDate "2018.01.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 g6 5. Nf3 Bg7 6. 0-0 0-0 7. a3 d6 8. d3 e5 9. Rb1 Re8 10. Bg5 h6 11. Bxf6 Bxf6 12. Ne1 Be6 13. Nc2 Bg7 14. Ne3 Qd7 15. Ned5 Rab8 16. b4 Bh3 17. Ne4 Qe6 18. Bxh3 Qxh3 19. Nef6+ Bxf6 20. Nxf6+ Kf8 21. Nxe8 Kxe8 22. bxc5 dxc5 23. e3 h5 24. Qf3 Qe6 25. Rb5 b6 26. Rfb1 Rd8 27. Rd1 Qd6 28. Rbb1 1/2-1/2

[Event "Florianopolis op 4th"]
[Site "Florianopolis"]
[Date "2018.01.22"]
[Round "6"]
[White "Niehues, Luiz Cesar"]
[Black "Correa, Jose Augusto"]
[Result "0-1"]
[ECO "A70"]
[WhiteElo "1595"]
[BlackElo "1961"]
[PlyCount "62"]
[EventDate "2018.01.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bd3 0-0 9. 0-0 Na6 10. Bxa6 bxa6 11. Bg5 Rb8 12. Rb1 Re8 13. Qc2 h6 14. Be3 Ng4 15. Bf4 f5 16. Rbe1 Ne5 17. Bxe5 Bxe5 18. Nxe5 Rxe5 19. f4 Re7 20. e5 Bb7 21. g4 dxe5 22. fxe5 Bxd5 23. gxf5 gxf5 24. Rxf5 Rg7+ 25. Kf1 Qh4 26. Nxd5 Qh3+ 27. Ke2 Rg2+ 28. Rf2 Rxf2+ 29. Kxf2 Qxh2+ 30. Kf3 Qxc2 31. Nf6+ Kf7 0-1

[Event "Florianopolis op 4th"]
[Site "Florianopolis"]
[Date "2018.01.21"]
[Round "4"]
[White "Niehues, Luiz Cesar"]
[Black "Torella, Rodolfo"]
[Result "0-1"]
[ECO "A70"]
[WhiteElo "1595"]
[BlackElo "2049"]
[PlyCount "68"]
[EventDate "2018.01.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Bd3 0-0 9. 0-0 Re8 10. h3 a6 11. a4 Nh5 12. Bd2 Nd7 13. Re1 Ne5 14. Nxe5 Bxe5 15. Qf3 Qh4 16. g4 Nf6 17. Bf4 h5 18. Bxe5 Rxe5 19. Qg3 Qxg3+ 20. fxg3 hxg4 21. h4 Bd7 22. Kg2 Rae8 23. b3 Bf5 24. Rf1 Nxe4 25. Nxe4 Bxe4+ 26. Bxe4 Rxe4 27. Rf6 Rd8 28. Raf1 Rd7 29. R1f4 Re5 30. Rxg4 Rxd5 31. Kf2 Rd2+ 32. Kf3 Rd3+ 33. Kf4 Kg7 34. Rf5 Rd4+ 0-1

[Event "Florianopolis op 4th"]
[Site "Florianopolis"]
[Date "2018.01.20"]
[Round "2"]
[White "Niehues, Luiz Cesar"]
[Black "Felix, Raimundo Nascimento"]
[Result "0-1"]
[ECO "E43"]
[WhiteElo "1595"]
[BlackElo "1879"]
[PlyCount "76"]
[EventDate "2018.01.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf3 0-0 7. 0-0 Bxc3 8. bxc3 d6 9. Nd2 Nc6 10. f4 Ne7 11. e4 e5 12. fxe5 dxe5 13. d5 c5 14. Nf3 Ng6 15. Bg5 h6 16. Bd2 Ne8 17. Qc1 Kh7 18. Qe1 Nd6 19. Qg3 Qe7 20. h4 Rae8 21. h5 Nh8 22. Nh4 g5 23. Nf5 Nxf5 24. Rxf5 f6 25. Raf1 Bc8 26. R5f2 Rd8 27. Bc2 Rd6 28. Bd1 Kg7 29. Bg4 Bxg4 30. Qxg4 Qd7 31. Rf5 Nf7 32. Qd1 Nd8 33. Qb3 Nb7 34. Qb5 Qe7 35. a4 Rdd8 36. Rb1 Nd6 37. Qc6 Rc8 38. Rxe5 fxe5 0-1

[Event "Florianopolis op 4th"]
[Site "Florianopolis"]
[Date "2018.01.20"]
[Round "3"]
[White "Piras, Lorenzo"]
[Black "Niehues, Luiz Cesar"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1091"]
[BlackElo "1595"]
[PlyCount "90"]
[EventDate "2018.01.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. 0-0 c5 6. e3 Be7 7. b3 0-0 8. Nbd2 cxd4 9. exd4 d5 10. Bb2 Nbd7 11. Ne5 Nxe5 12. dxe5 Nd7 13. h3 Rc8 14. Rc1 Bc5 15. c4 Qg5 16. Kh1 Nxe5 17. Bxe5 Qxe5 18. Nf3 Qf6 19. Rb1 dxc4 20. bxc4 Rfd8 21. Qe2 Qf5 22. Qe5 Bxf3 23. Qxf5 Bxg2+ 24. Kxg2 exf5 25. Rbd1 Rd4 26. Rc1 Rd2 27. Ra1 Re8 28. Rae1 Rxe1 29. Rxe1 Kf8 30. Rf1 Rxa2 31. g4 fxg4 32. hxg4 Rxf2+ 33. Rxf2 Bxf2 34. Kxf2 Ke7 35. Ke3 Kd6 36. Kd4 a5 37. Kc3 Kc5 38. Kb3 a4+ 39. Kxa4 Kxc4 40. g5 f5 41. g6 hxg6 42. Ka3 f4 43. Ka4 f3 44. Ka3 f2 45. Kb2 f1Q 0-1

[Event "Florianopolis op 4th"]
[Site "Florianopolis"]
[Date "2018.01.19"]
[Round "1"]
[White "Feller, Isadora Cristina Vi"]
[Black "Niehues, Luiz Cesar"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1205"]
[BlackElo "1595"]
[PlyCount "58"]
[EventDate "2018.01.19"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Bc5 5. 0-0 0-0 6. d3 h6 7. Bd2 d6 8. a3 a6 9. Re1 Bg4 10. Be3 Nd4 11. Bxd4 Bxd4 12. h3 Bh5 13. Ne2 Bxf3 14. gxf3 Nh5 15. Kh2 Bxf2 16. Rf1 Be3 17. Nc3 Qg5 18. Ne2 Rae8 19. c3 Kh8 20. d4 f5 21. Qe1 exd4 22. cxd4 fxe4 23. Ng3 Nxg3 24. Qxg3 Bf4 25. Qxf4 Qxf4+ 26. Kh1 exf3 27. Rf2 Qg3 28. Rh2 Re1+ 29. Rxe1 Qxe1+ 0-1

[Event "Caioba Telecom op"]
[Site "Caioba"]
[Date "2017.10.01"]
[Round "8"]
[White "Lunelli, Neuri Antonio"]
[Black "Niehues, Luiz Cesar"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1810"]
[BlackElo "1621"]
[PlyCount "99"]
[EventDate "2017.09.28"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 b6 2. Nf3 Bb7 3. e3 e6 4. Bd3 Nf6 5. Nbd2 d5 6. 0-0 Bd6 7. Ne5 0-0 8. f4 c5 9. c3 Nfd7 10. Rf3 f5 11. Rh3 Bxe5 12. fxe5 Rf7 13. Nf3 Nf8 14. Bd2 g6 15. Be1 Nbd7 16. Bh4 Qc7 17. Bg5 a5 18. Qe2 Qc8 19. Rh6 Ba6 20. Bxa6 Qxa6 21. Kf2 Qxe2+ 22. Kxe2 cxd4 23. exd4 b5 24. a3 Nb6 25. Bf6 Re8 26. Ng5 Rb7 27. Rf1 Nc4 28. Rf3 Nxb2 29. h4 Nc4 30. h5 Nxa3 31. Rh3 b4 32. hxg6 Ree7 33. cxb4 axb4 34. Bxe7 Rxe7 35. Nxh7 Nxh7 36. Rxh7 Rxh7 37. Rxh7 Nc2 38. Kd3 Ne1+ 39. Kd2 Nxg2 40. Re7 Nf4 41. g7 Ng6 42. Rxe6 Kxg7 43. Rf6 f4 44. Ke2 Ne7 45. Rxf4 Nc6 46. Kd3 Na5 47. Rf6 Nc4 48. Kc2 Na3+ 49. Kb3 Nb5 50. Rf4 1-0

[Event "Caioba Telecom op"]
[Site "Caioba"]
[Date "2017.10.01"]
[Round "7"]
[White "Niehues, Luiz Cesar"]
[Black "Rosa, Jefferson Luiz"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "1621"]
[PlyCount "20"]
[EventDate "2017.09.28"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. e4 Nb6 5. h3 e6 6. Nf3 Bb4+ 7. Nc3 Nc6 8. Be3 Bxc3+ 9. bxc3 Na5 10. Bd3 Qd7 1-0

[Event "Caioba Telecom op"]
[Site "Caioba"]
[Date "2017.09.30"]
[Round "6"]
[White "Ferreira, Julia Cristine"]
[Black "Niehues, Luiz Cesar"]
[Result "1/2-1/2"]
[ECO "A84"]
[WhiteElo "1327"]
[BlackElo "1621"]
[PlyCount "98"]
[EventDate "2017.09.28"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 e6 2. c4 b6 3. Nf3 Bb7 4. g3 f5 5. Bg2 Nf6 6. 0-0 Be7 7. Nc3 0-0 8. Bf4 d6 9. Re1 Qd7 10. Qc2 Na6 11. a3 c5 12. e3 h6 13. h4 Rad8 14. Rad1 Ne4 15. dxc5 Nxc3 16. Qxc3 Nxc5 17. Be5 Ne4 18. Qb3 Qc7 19. Bc3 Nxc3 20. bxc3 g5 21. Nd4 Rf6 22. c5 d5 23. cxb6 axb6 24. hxg5 hxg5 25. Rb1 Bc5 26. a4 Ra8 27. Ra1 Ra5 28. Qd1 g4 29. f3 Qxg3 30. fxg4 Ba6 31. Qf3 Qxf3 32. Bxf3 Bb7 33. gxf5 e5 34. Nb3 Ra7 35. Nxc5 bxc5 36. e4 dxe4 37. Bxe4 Bxe4 38. Rxe4 Rxf5 39. Rg4+ Kf8 40. Rf1 Raf7 41. Rxf5 Rxf5 42. Rc4 Ke7 43. Rxc5 Kd6 44. Rb5 Rf4 45. a5 Rc4 46. a6 Rxc3 47. Ra5 Rc8 48. a7 Ra8 49. Kf2 Kc6 1/2-1/2

[Event "Caioba Telecom op"]
[Site "Caioba"]
[Date "2017.09.30"]
[Round "5"]
[White "Niehues, Luiz Cesar"]
[Black "Blau, Emily Camile"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1621"]
[BlackElo "1220"]
[PlyCount "46"]
[EventDate "2017.09.28"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Nf3 Nc6 5. a3 Bxc3+ 6. bxc3 Qe7 7. cxd5 exd5 8. e3 Nf6 9. Bd3 0-0 10. h3 Ne4 11. Qc2 Bf5 12. a4 Qe6 13. Nh4 Rfe8 14. Nxf5 Qxf5 15. f3 Qf6 16. fxe4 Qh4+ 17. Qf2 Qxf2+ 18. Kxf2 dxe4 19. Bb5 Re6 20. Bxc6 Rxc6 21. Bd2 a6 22. Rhc1 Rf6+ 23. Kg1 h6 1-0

[Event "Caioba Telecom op"]
[Site "Caioba"]
[Date "2017.09.29"]
[Round "4"]
[White "De Barros, Brayan Evilasio"]
[Black "Niehues, Luiz Cesar"]
[Result "0-1"]
[ECO "C45"]
[BlackElo "1621"]
[PlyCount "71"]
[EventDate "2017.09.28"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Bf4 Qf6 7. Qc1 d6 8. Nc3 Nge7 9. Na4 0-0 10. Nxb6 axb6 11. c3 Ng6 12. Be3 Re8 13. Bd3 Nce5 14. Be2 h6 15. Qd2 Be6 16. Nc1 Nc4 17. Bxc4 Bxc4 18. f3 Ra5 19. Qd4 Qxd4 20. Bxd4 d5 21. b3 dxe4 22. bxc4 exf3+ 23. Kf2 fxg2 24. Kxg2 Rg5+ 25. Kf1 Rf5+ 26. Bf2 Nh4 27. Nd3 Re4 28. Nb2 Ref4 29. Nd1 Ng6 30. Rb1 Ne5 31. Rb4 Nd3 32. Rb5 c5 33. Rxb6 Nxf2 34. Nxf2 Rxf2+ 35. Ke1 Rxa2 36. Rxb7 0-1

[Event "Caioba Telecom op"]
[Site "Caioba"]
[Date "2017.09.29"]
[Round "3"]
[White "Niehues, Luiz Cesar"]
[Black "Miguel, Jean Carlos Hochspr"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "1621"]
[PlyCount "80"]
[EventDate "2017.09.28"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 b6 5. Bg5 Bb7 6. e3 d6 7. Qa4+ Nc6 8. d5 Bxc3+ 9. bxc3 Qd7 10. dxc6 Bxc6 11. Qc2 Ne4 12. Bh4 f5 13. Be2 Rg8 14. Ng5 Nc5 15. Nxh7 Qf7 16. Ng5 Qg6 17. Rg1 Rh8 18. Nf3 e5 19. Bg3 0-0-0 20. Nh4 Qf7 21. Qxf5+ Qd7 22. Qxd7+ Bxd7 23. Ng6 Rh6 24. Ne7+ Kb8 25. Nd5 a5 26. 0-0-0 Kb7 27. e4 c6 28. Ne7 Nxe4 29. Kc2 Re8 30. Bxe5 Rxe7 31. Bxd6 Nxd6 32. Bf3 Nxc4 33. Rd4 Na3+ 34. Kb2 Nb5 35. Rf4 Rd6 36. a4 Nc7 37. c4 Rd2+ 38. Kc3 Rd6 39. Rb1 Na6 40. c5 Nxc5 0-1

[Event "Caioba Telecom op"]
[Site "Caioba"]
[Date "2017.09.28"]
[Round "2"]
[White "Da Silva, Jackson Bueno"]
[Black "Niehues, Luiz Cesar"]
[Result "1-0"]
[ECO "C47"]
[BlackElo "1621"]
[PlyCount "91"]
[EventDate "2017.09.28"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Be2 Bc5 5. 0-0 0-0 6. d3 h6 7. Na4 Be7 8. a3 d6 9. Be3 Be6 10. d4 exd4 11. Nxd4 Nxe4 12. Nxc6 bxc6 13. Bd3 Nf6 14. Qf3 Qd7 15. Qg3 d5 16. Bxh6 Nh5 17. Qe5 gxh6 18. Qxh5 Bg5 19. Qd1 Qd6 20. Qf3 f5 21. b3 f4 22. c4 d4 23. c5 Qd7 24. b4 Rae8 25. h3 Rf7 26. Bg6 Ree7 27. Bxf7+ Rxf7 28. Rad1 Rg7 29. Kh1 Bf6 30. Qxf4 Bd5 31. f3 Qf7 32. Nb2 Qg6 33. Rg1 Bg5 34. Qxd4 Bf6 35. Qf2 Bxb2 36. Qxb2 Qg3 37. Qe2 Rg5 38. Qe8+ Kg7 39. Qd7+ Kf6 40. Qd8+ Kg7 41. Qd7+ Kf6 42. Rde1 Kg6 43. Qe8+ Bf7 44. Qe4+ Kh5 45. f4 Bd5 46. Qe8+ 1-0

[Event "Caioba Telecom op"]
[Site "Caioba"]
[Date "2017.09.28"]
[Round "1"]
[White "Niehues, Luiz Cesar"]
[Black "Bueno, Alfeu Varela Jr"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "1621"]
[BlackElo "2197"]
[PlyCount "48"]
[EventDate "2017.09.28"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nc3 b6 4. Nf3 Bb4 5. Bg5 Bxc3+ 6. bxc3 Nf6 7. e3 Bb7 8. Bd3 0-0 9. Qc2 Qe8 10. Bxf6 Rxf6 11. e4 Qg6 12. e5 Rf8 13. Kf1 d6 14. Qe2 Nd7 15. Rg1 Bxf3 16. gxf3 Qh6 17. exd6 cxd6 18. f4 Kh8 19. Qf3 Rae8 20. Rg5 Nf6 21. Kg2 e5 22. Rxf5 e4 23. Bxe4 Qg6+ 24. Rg5 Qxe4 0-1

[Event "Penha IRT U2050 1st"]
[Site "Penha"]
[Date "2017.09.24"]
[Round "6.10"]
[White "Niehues, Luiz Cesar"]
[Black "Bernardes, Roberto Carlos Stru"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1621"]
[BlackElo "1727"]
[PlyCount "46"]
[EventDate "2017.09.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 b6 2. c4 Bb7 3. Nc3 e6 4. a3 Nf6 5. Bg5 Be7 6. Qc2 0-0 7. e4 Ne8 8. Bxe7 Qxe7 9. 0-0-0 d6 10. d5 Nd7 11. f4 e5 12. f5 Nef6 13. Be2 g6 14. g4 Nxg4 15. Bxg4 Qg5+ 16. Rd2 Qxg4 17. Rg2 Qf4+ 18. Kb1 Nf6 19. h4 Nh5 20. Rg5 Kh8 21. Qd3 Rg8 22. Qf3 Nf6 23. fxg6 Rxg6 0-1

[Event "Penha IRT U2050 1st"]
[Site "Penha"]
[Date "2017.09.24"]
[Round "7.8"]
[White "Volkmann, Andre Jordi"]
[Black "Niehues, Luiz Cesar"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1937"]
[BlackElo "1621"]
[PlyCount "77"]
[EventDate "2017.09.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. Bf4 Bb4 5. e3 Nf6 6. a3 Bxc3+ 7. bxc3 0-0 8. Nf3 h6 9. Bd3 d6 10. Qc2 c5 11. 0-0 Nc6 12. Rfd1 Qe7 13. Bg3 Ne8 14. d5 Na5 15. e4 e5 16. Nh4 Bc8 17. Nf5 Bxf5 18. exf5 f6 19. Qe2 Qf7 20. Qe4 Kh7 21. Re1 Rh8 22. f4 Kg8 23. Re2 Nc7 24. fxe5 fxe5 25. Rf1 Ne8 26. Bh4 Nf6 27. Bxf6 Qxf6 28. Rf3 Kf7 29. Rg3 Rag8 30. Rg6 Qe7 31. Rf2 Nb7 32. f6 gxf6 33. Qf5 Ke8 34. Rxf6 Nd8 35. Qh5+ Kd7 36. Rf7 Nxf7 37. Rxf7 Qxf7 38. Qxf7+ Kd8 39. Bf5 1-0

[Event "Penha IRT U2050 1st"]
[Site "Penha"]
[Date "2017.09.23"]
[Round "4.10"]
[White "Niehues, Luiz Cesar"]
[Black "Da Silva, Camila Evaristo"]
[Result "0-1"]
[ECO "E10"]
[WhiteElo "1621"]
[BlackElo "1664"]
[PlyCount "56"]
[EventDate "2017.09.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. e3 g6 5. Nf3 Bg7 6. Be2 0-0 7. 0-0 b6 8. Qc2 cxd4 9. exd4 d5 10. Bf4 Bb7 11. Nb5 Nc6 12. Nd6 Ba6 13. Qa4 Nh5 14. Be5 Nxe5 15. dxe5 Nf4 16. Qxa6 Nxe2+ 17. Kh1 Nf4 18. cxd5 Nxd5 19. Ne4 Qe7 20. Rac1 Qd7 21. Rfd1 Rfc8 22. Nf6+ Bxf6 23. exf6 Rxc1 24. Rxc1 Nxf6 25. g3 Qd5 26. Kg2 Ne4 27. Qe2 Rd8 28. Rc2 Nc5 0-1

[Event "Penha IRT U2050 1st"]
[Site "Penha"]
[Date "2017.09.23"]
[Round "3.12"]
[White "Niehues, Luiz Cesar"]
[Black "Moraes, Maurino Anastacio"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "1621"]
[BlackElo "1583"]
[PlyCount "57"]
[EventDate "2017.09.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Nf3 0-0 6. Bg5 h6 7. Bh4 Be7 8. e3 b6 9. Bd3 Bb7 10. Bxf6 Bxf6 11. cxd5 Bxd5 12. Nxd5 exd5 13. 0-0 Nd7 14. Qc6 Re8 15. Qxd5 c5 16. Bc4 Qe7 17. Rad1 Rad8 18. Qh5 Qf8 19. g4 g5 20. Qg6+ Bg7 21. h4 Qe7 22. hxg5 Nf8 23. Qh5 cxd4 24. g6 Ne6 25. Rxd4 Rxd4 26. exd4 fxg6 27. Qxg6 Qf8 28. Qe4 Kh8 29. Re1 1-0

[Event "Penha IRT U2050 1st"]
[Site "Penha"]
[Date "2017.09.23"]
[Round "5.11"]
[White "Vieira, Jesse"]
[Black "Niehues, Luiz Cesar"]
[Result "0-1"]
[ECO "C63"]
[BlackElo "1621"]
[PlyCount "47"]
[EventDate "2017.09.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. exf5 Nf6 5. d3 Bc5 6. Be3 Bb6 7. Bxb6 axb6 8. 0-0 0-0 9. Re1 d6 10. Bc4+ Kh8 11. h3 Bxf5 12. Nc3 Qd7 13. a3 Ne7 14. Ng5 Ng6 15. Nd5 h6 16. Nxf6 Rxf6 17. Ne4 Rff8 18. Qh5 Nf4 19. Qf3 d5 20. Ng3 Bxh3 21. Rxe5 dxc4 22. Nh5 Bg4 23. Nxf4 Bxf3 24. Ng6+ 0-1

[Event "Penha IRT U2050 1st"]
[Site "Penha"]
[Date "2017.09.22"]
[Round "2.9"]
[White "Acosta, Pablo Alejandro"]
[Black "Niehues, Luiz Cesar"]
[Result "1-0"]
[ECO "C63"]
[WhiteElo "2007"]
[BlackElo "1621"]
[PlyCount "49"]
[EventDate "2017.09.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d3 fxe4 5. dxe4 Nf6 6. 0-0 Bc5 7. Qd3 d6 8. Nc3 0-0 9. Bxc6 bxc6 10. Qc4+ Kh8 11. Nxe5 Bxf2+ 12. Rxf2 dxe5 13. Qxc6 Bg4 14. Be3 Rb8 15. b3 Bd7 16. Qc5 Rb6 17. Raf1 Re6 18. Nd5 Bc6 19. c4 Bxd5 20. exd5 Ree8 21. Bg5 Qd7 22. Qxa7 e4 23. Qd4 Qe7 24. a4 e3 25. Re2 1-0

[Event "Penha IRT U2050 1st"]
[Site "Penha"]
[Date "2017.09.22"]
[Round "1.5"]
[White "Zimmermann, Kleber Renato P"]
[Black "Niehues, Luiz Cesar"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1963"]
[BlackElo "1621"]
[PlyCount "51"]
[EventDate "2017.09.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 e6 2. c4 b6 3. Nf3 Bb7 4. g3 d5 5. Bg2 dxc4 6. Qa4+ Nd7 7. 0-0 Ngf6 8. Ne5 Bxg2 9. Kxg2 h6 10. Nc3 a6 11. Nxd7 Qxd7 12. Qxc4 Be7 13. Bf4 Bd6 14. Be5 b5 15. Qb3 Bxe5 16. dxe5 Qc6+ 17. Kg1 Nd5 18. Rfc1 Qb7 19. Nxd5 exd5 20. Qb4 Rc8 21. a4 Qb6 22. axb5 axb5 23. Ra5 Rb8 24. Qa3 Kd7 25. Ra6 Qd4 26. Rxc7+ 1-0

[Event "Sao Bento do Sul op 08"]
[Site "Sao Bento do Sul"]
[Date "2017.08.20"]
[Round "6"]
[White "Da Silva, Joao Carlos Orguim"]
[Black "Niehues, Luiz Cesar"]
[Result "1-0"]
[ECO "C20"]
[WhiteElo "1772"]
[BlackElo "1616"]
[PlyCount "71"]
[EventDate "2017.08.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. c4 Nf6 3. d3 Bc5 4. g3 d6 5. h3 Nc6 6. Ne2 Nd4 7. Bg2 h6 8. Nbc3 Bd7 9. 0-0 Qc8 10. Nxd4 Bxd4 11. Kh2 c6 12. f4 Qc7 13. f5 0-0-0 14. Ne2 Rdf8 15. Nxd4 exd4 16. g4 g6 17. Bf4 gxf5 18. exf5 c5 19. Be4 Nxe4 20. dxe4 f6 21. Qf3 Bc6 22. Rae1 Rd8 23. Rf2 Qe7 24. Rfe2 h5 25. gxh5 Rd7 26. h6 Qf8 27. Rg1 Qf7 28. b3 Qh7 29. Rg6 Qe7 30. Rg7 Qd8 31. Qg3 Kc7 32. Bxd6+ Kb6 33. e5 Qe8 34. Rxd7 Qxd7 35. e6 Qe8 36. b4 1-0

[Event "Sao Bento do Sul op 08"]
[Site "Sao Bento do Sul"]
[Date "2017.08.20"]
[Round "5"]
[White "Niehues, Luiz Cesar"]
[Black "Machado, Wesley Henrique"]
[Result "1-0"]
[ECO "E43"]
[WhiteElo "1616"]
[BlackElo "1172"]
[PlyCount "57"]
[EventDate "2017.08.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Bxc3+ 5. bxc3 b6 6. Nf3 Bb7 7. Bd3 Ne4 8. Qc2 f5 9. 0-0 0-0 10. Nd2 Nxd2 11. Bxd2 d6 12. f4 Nd7 13. e4 fxe4 14. Bxe4 Bxe4 15. Qxe4 Qe7 16. Rae1 Rae8 17. Rf3 Qf6 18. Qc6 Qd8 19. g4 Rf6 20. g5 Rg6 21. h4 h5 22. Qe4 Kh7 23. f5 exf5 24. Qxe8 Qxe8 25. Rxe8 Nf6 26. Re7 Ne4 27. Be1 c5 28. Rxf5 Nf6 29. Rxf6 1-0

[Event "Sao Bento do Sul op 08"]
[Site "Sao Bento do Sul"]
[Date "2017.08.19"]
[Round "4"]
[White "De Mello, Amanda Carolina"]
[Black "Niehues, Luiz Cesar"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1842"]
[BlackElo "1616"]
[PlyCount "49"]
[EventDate "2017.08.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 f5 3. Nf3 Nf6 4. g3 b6 5. Bg2 Bb7 6. 0-0 e6 7. d3 Be7 8. Re1 0-0 9. e4 fxe4 10. dxe4 Nc6 11. e5 Ng4 12. Be3 Qe8 13. h3 Nxe3 14. Rxe3 Rd8 15. Rd3 Qf7 16. Qe2 Nb4 17. Re3 Bc6 18. a3 Na6 19. Ne4 h6 20. Nd6 Bxd6 21. exd6 Qf6 22. Ne5 Bxg2 23. Kxg2 Nb8 24. Rf3 Qg5 25. h4 1-0

[Event "Sao Bento do Sul op 08"]
[Site "Sao Bento do Sul"]
[Date "2017.08.19"]
[Round "2"]
[White "Hille, Waltercler Jr"]
[Black "Niehues, Luiz Cesar"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "1891"]
[BlackElo "1616"]
[PlyCount "96"]
[EventDate "2017.08.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Be7 6. e3 Nbd7 7. Qc2 h6 8. Bh4 Nh5 9. Bxe7 Qxe7 10. cxd5 exd5 11. Bd3 Nhf6 12. 0-0 0-0 13. Rab1 Re8 14. b4 a6 15. a4 b5 16. Nd2 Nb6 17. Nb3 Nc4 18. Bxc4 dxc4 19. Nc5 Be6 20. e4 Ra7 21. Rbd1 Nd7 22. f3 Nxc5 23. dxc5 Rd7 24. Rxd7 Qxd7 25. Rd1 Qc7 26. Qd2 Qe5 27. f4 Qf6 28. f5 Bc8 29. h3 Qe5 30. a5 Kh7 31. Qd4 Qg3 32. Rd2 Bxf5 33. Qf2 Qxf2+ 34. Rxf2 Bxe4 35. Rxf7 Bd3 36. Ra7 Re1+ 37. Kh2 Rc1 38. Nxb5 axb5 39. Rc7 Be4 40. Re7 Bd5 41. Re2 Ra1 42. Kg3 Ra4 43. h4 c3 44. Rc2 Rxb4 45. Rxc3 Ra4 46. h5 Rxa5 47. Kf4 Ra4+ 48. Ke5 Rh4 0-1

[Event "Sao Bento do Sul op 08"]
[Site "Sao Bento do Sul"]
[Date "2017.08.19"]
[Round "3"]
[White "Niehues, Luiz Cesar"]
[Black "Mileski, Lucas de Souza"]
[Result "0-1"]
[ECO "D56"]
[WhiteElo "1616"]
[BlackElo "1903"]
[PlyCount "62"]
[EventDate "2017.08.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Bd3 Nxc3 10. bxc3 Nd7 11. cxd5 exd5 12. 0-0 c6 13. c4 Nf6 14. h3 Be6 15. cxd5 Nxd5 16. Re1 Rfd8 17. Qd2 Qa3 18. Rec1 Rac8 19. Rab1 b6 20. e4 Ne7 21. Qe3 f5 22. g4 fxe4 23. Qxe4 Qd6 24. Qh7+ Kf8 25. Ne5 Bg8 26. Qh8 Qxe5 27. dxe5 Rxd3 28. f4 Ng6 29. Qxg8+ Kxg8 30. Re1 Nxf4 31. Kh2 Rxh3+ 0-1

[Event "Sao Bento do Sul op 08"]
[Site "Sao Bento do Sul"]
[Date "2017.08.18"]
[Round "1"]
[White "Niehues, Luiz Cesar"]
[Black "Da Cruz, Eduardo Oliveira"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "1616"]
[PlyCount "57"]
[EventDate "2017.08.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. f4 d6 2. Nf3 Nc6 3. e3 e5 4. fxe5 Nxe5 5. Be2 b6 6. 0-0 Bb7 7. b3 Qf6 8. Nc3 g6 9. Bb2 Nxf3+ 10. Bxf3 Bxf3 11. Rxf3 Qe6 12. Nb5 f6 13. Nxc7+ Ke7 14. Nxe6 Kxe6 15. c4 Be7 16. d4 Nh6 17. e4 Rhf8 18. Qe2 Rf7 19. h3 Raf8 20. g4 g5 21. a4 a5 22. Ba3 Ra8 23. e5 dxe5 24. Bxe7 Rxe7 25. dxe5 fxe5 26. Rd1 Nf7 27. Qe4 Rd7 28. Qf5+ Ke7 29. Rxd7+ 1-0

[Event "Santa Catarina op"]
[Site "Icara"]
[Date "2017.07.02"]
[Round "6"]
[White "Brasil, Carlos Eduardo"]
[Black "Niehues, Luiz Cesar"]
[Result "0-1"]
[ECO "C62"]
[WhiteElo "1718"]
[BlackElo "1622"]
[PlyCount "68"]
[EventDate "2017.06.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 d6 5. d4 exd4 6. Nxd4 Bd7 7. Bg5 Be7 8. Qf3 Nxd4 9. Bxd7+ Qxd7 10. Qd3 Nc6 11. 0-0-0 0-0-0 12. Nb5 h6 13. Be3 a6 14. Na7+ Nxa7 15. Bxa7 Qc6 16. Be3 Nd7 17. Rhe1 Bf6 18. f3 Nc5 19. Qd2 Rhe8 20. g4 Qb5 21. Bd4 Bxd4 22. Qxd4 f6 23. h4 Qb6 24. Re3 Nd7 25. Qd2 Re5 26. c4 Rde8 27. Rde1 Rc5 28. b3 Ne5 29. R1e2 a5 30. Qb2 a4 31. a3 axb3 32. Rxb3 Rxc4+ 33. Kb1 Qc6 34. Re1 b6 0-1

[Event "Santa Catarina op"]
[Site "Icara"]
[Date "2017.07.02"]
[Round "7"]
[White "Niehues, Luiz Cesar"]
[Black "Elesbao, Bernardo Dartora"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "1622"]
[BlackElo "1800"]
[PlyCount "71"]
[EventDate "2017.06.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 Nbd7 6. Bg5 0-0 7. Qd2 e5 8. d5 Re8 9. h4 Nc5 10. f3 a5 11. h5 c6 12. hxg6 fxg6 13. Nh3 Rf8 14. Nf2 Rf7 15. 0-0-0 Qb6 16. Be3 a4 17. Bxc5 Qxc5 18. Nd3 Qxc4 19. Nxe5 Qc5 20. Nxf7 Kxf7 21. Kb1 Nh5 22. Rxh5 gxh5 23. dxc6 Bxc3 24. Qxc3 Qxc3 25. bxc3 Ke6 26. cxb7 Rb8 27. Bc4+ Ke5 28. Rd5+ Kf4 29. Rxh5 Rxb7+ 30. Kc2 a3 31. Bb3 Kg3 32. Rg5+ Kf4 33. Rg8 Bd7 34. Rg7 Ke5 35. Rxh7 Kf4 36. Rg7 1-0

[Event "Santa Catarina op"]
[Site "Icara"]
[Date "2017.07.01"]
[Round "4"]
[White "Lahoz, Cassiano Ricardo Ne"]
[Black "Niehues, Luiz Cesar"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1830"]
[BlackElo "1622"]
[PlyCount "53"]
[EventDate "2017.06.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. 0-0 g6 5. d3 Bg7 6. Nbd2 0-0 7. h3 Nbd7 8. e4 Qc7 9. Re1 dxe4 10. dxe4 e6 11. c3 b6 12. Nc4 e5 13. Bg5 h6 14. Bxf6 Bxf6 15. Qd2 Bg7 16. Rad1 Nc5 17. b4 Ne6 18. Qd6 Qxd6 19. Rxd6 c5 20. Ncxe5 cxb4 21. cxb4 Re8 22. Nc4 Nc7 23. e5 Be6 24. Nfd2 Rab8 25. a3 Nb5 26. Rd3 Bf8 27. Bc6 1-0

[Event "Santa Catarina op"]
[Site "Icara"]
[Date "2017.07.01"]
[Round "5"]
[White "Niehues, Luiz Cesar"]
[Black "Gomes, Fernando Henrique D"]
[Result "0-1"]
[ECO "E51"]
[WhiteElo "1622"]
[PlyCount "72"]
[EventDate "2017.06.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 d5 5. Nf3 0-0 6. Bd3 dxc4 7. Bxc4 b6 8. 0-0 Bb7 9. Qe2 Nbd7 10. Rd1 Qe7 11. Bd2 Rfd8 12. Rac1 Ne4 13. Nxe4 Bxe4 14. Bc3 Bd6 15. Nd2 Bb7 16. e4 c6 17. a3 c5 18. Bd3 cxd4 19. Bxd4 Nc5 20. Bb1 Bxh2+ 21. Kxh2 Rxd4 22. Nf3 Rxd1 23. Rxd1 Rd8 24. Rc1 Qf6 25. Kg1 Qf4 26. Re1 Ba6 27. Rd1 Rxd1+ 28. Qxd1 Qc7 29. e5 Qd7 30. Qe1 Bd3 31. Ba2 Be4 32. Ng5 Qd4 33. Nxe4 Qxe4 34. Qc3 Qd3 35. Qc1 g6 36. b4 Nb3 0-1

[Event "Santa Catarina op"]
[Site "Icara"]
[Date "2017.06.30"]
[Round "2"]
[White "Gauche, Charles"]
[Black "Niehues, Luiz Cesar"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2237"]
[BlackElo "1622"]
[PlyCount "83"]
[EventDate "2017.06.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 b6 3. e4 Bb7 4. Bd3 Bb4+ 5. c3 Be7 6. Qe2 d5 7. e5 c5 8. 0-0 Nd7 9. Ne1 g6 10. Be3 h5 11. Qd2 Bf8 12. Bg5 Bh6 13. f4 Bxg5 14. fxg5 Ne7 15. Qf4 Nf5 16. Nd2 cxd4 17. cxd4 Rc8 18. Nef3 Qe7 19. a3 a6 20. g3 b5 21. h3 Nb6 22. g4 hxg4 23. hxg4 Ng7 24. Qf6 Qf8 25. Kf2 Nc4 26. Rab1 Nxd2 27. Nxd2 Rh2+ 28. Ke3 Rc7 29. Rf3 Qh8 30. Rbf1 Rh3 31. R1f2 Rxf3+ 32. Nxf3 Re7 33. Rh2 Qg8 34. Nd2 Kd8 35. Nb3 Bc8 36. Nc5 Ke8 37. Qf1 Kd8 38. Qh1 Ne8 39. Rh8 Qg7 40. Qh6 Kc7 41. Rxe8 Qxh6 42. Rxe7+ 1-0

[Event "Santa Catarina op"]
[Site "Icara"]
[Date "2017.06.30"]
[Round "3"]
[White "Niehues, Luiz Cesar"]
[Black "Da Veiga, Pedro Miguel Back"]
[Result "1-0"]
[ECO "D94"]
[WhiteElo "1622"]
[BlackElo "1750"]
[PlyCount "19"]
[EventDate "2017.06.29"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 179 Extra"]
[Source "ChessBase"]
[SourceDate "2017.08.23"]
[SourceVersion "1"]
[SourceVersionDate "2017.08.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 g6 5. e3 Bg7 6. Bd3 0-0 7. h3 Re8 8. 0-0 Bd7 9. cxd5 cxd5 10. Qb3 1-0

[Event "Curitiba IEP&Copel op"]
[Site "Curitiba"]
[Date "2017.05.14"]
[Round "6"]
[White "Niehues, Luiz Cesar"]
[Black "Da Silva, Juliano Roberto Ner"]
[Result "0-1"]
[ECO "D60"]
[WhiteElo "1634"]
[BlackElo "1849"]
[PlyCount "100"]
[EventDate "2017.05.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 c6 5. Bg5 h6 6. Bh4 Be7 7. e3 0-0 8. Bd3 Nbd7 9. 0-0 a6 10. Rc1 dxc4 11. Bxc4 b5 12. Bb3 Bb7 13. a3 Re8 14. Qe2 Qb6 15. Rfd1 c5 16. dxc5 Nxc5 17. Ba2 Nce4 18. Nxe4 Bxe4 19. Rd4 g5 20. Bg3 Rac8 21. Rxc8 Rxc8 22. h3 b4 23. axb4 Rc2 24. Rd2 Rc1+ 25. Kh2 Qxb4 26. Be5 Bxf3 27. gxf3 Qa5 28. Bxf6 Bxf6 29. Bb3 Qb4 30. Bd1 Bxb2 31. Rxb2 Qd6+ 32. f4 Qxd1 33. Qxd1 Rxd1 34. fxg5 hxg5 35. Ra2 Rd6 36. Kg3 Kg7 37. Ra5 f5 38. h4 g4 39. Kf4 Kf6 40. h5 Rc6 41. Ra1 e5+ 42. Kg3 Kg5 43. Rh1 f4+ 44. exf4+ exf4+ 45. Kg2 a5 46. Rd1 Ra6 47. Rd5+ Kh6 48. Rf5 a4 49. Rxf4 a3 50. Rc4 a2 0-1

[Event "Curitiba IEP&Copel op"]
[Site "Curitiba"]
[Date "2017.05.13"]
[Round "3"]
[White "Fier, Luciano dos Santos"]
[Black "Niehues, Luiz Cesar"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "1932"]
[BlackElo "1634"]
[PlyCount "61"]
[EventDate "2017.05.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. b3 Bg4 5. Bb2 Nbd7 6. Be2 e6 7. h3 Bxf3 8. Bxf3 Bd6 9. 0-0 Qe7 10. Nc3 0-0-0 11. Qc2 Kb8 12. d4 h5 13. Rfe1 g5 14. cxd5 exd5 15. e4 dxe4 16. Bxe4 Nxe4 17. Nxe4 Bc7 18. d5 Rh6 19. Rad1 cxd5 20. Rxd5 g4 21. Rc1 Rc6 22. Qd3 Rxc1+ 23. Bxc1 f5 24. Bg5 Qb4 25. Nd2 Re8 26. Rxd7 gxh3 27. Qxh3 Re1+ 28. Nf1 Qb5 29. Qd3 Bh2+ 30. Kxh2 Qe5+ 31. Qg3 1-0

[Event "Curitiba IEP&Copel op"]
[Site "Curitiba"]
[Date "2017.05.13"]
[Round "4"]
[White "Niehues, Luiz Cesar"]
[Black "Zimmermann, Kleber Renato P"]
[Result "0-1"]
[ECO "A59"]
[WhiteElo "1634"]
[BlackElo "1961"]
[PlyCount "84"]
[EventDate "2017.05.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. Nge2 Bg7 10. Rb1 0-0 11. Qc2 Na6 12. a3 Qb6 13. h3 Rfb8 14. g3 Qb3 15. Qxb3 Rxb3 16. Kg2 Rab8 17. Rd1 Nd7 18. Ra1 Ne5 19. Rd2 Nc4 20. Rc2 Nxb2 21. Bxb2 Rxb2 22. Rxb2 Rxb2 23. Ra2 Rb3 24. Nd1 Kf8 25. Ne3 Ke8 26. Nc4 Kd7 27. f4 Bd4 28. Nxd4 cxd4 29. Rd2 d3 30. Kf2 Rc3 31. Nb2 Nc5 32. Ke3 Rxa3 33. Nxd3 f5 34. e5 Kc7 35. Ke2 Rxd3 36. Rxd3 Nxd3 37. Kxd3 Kb6 38. Kc4 Ka5 39. g4 h5 40. gxf5 gxf5 41. h4 Ka4 42. Kd4 Kb4 0-1

[Event "Curitiba IEP&Copel op"]
[Site "Curitiba"]
[Date "2017.05.12"]
[Round "1"]
[White "Chemin, Vitorio"]
[Black "Niehues, Luiz Cesar"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "2137"]
[BlackElo "1634"]
[PlyCount "75"]
[EventDate "2017.05.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 Nc6 5. Nc3 Nf6 6. Bf4 a6 7. e3 e6 8. Be2 Bd6 9. Bxd6 Qxd6 10. 0-0 0-0 11. a3 h6 12. b4 b5 13. Qb3 Bb7 14. Rfc1 Rfc8 15. a4 Qxb4 16. Qxb4 Nxb4 17. axb5 axb5 18. Nxb5 Rxc1+ 19. Rxc1 Ra2 20. Nc3 Rb2 21. Bf1 Ba6 22. Bxa6 Nxa6 23. Ne5 Nc7 24. g4 Nfe8 25. h4 f5 26. Nd3 Rb6 27. Kg2 Kf7 28. Nc5 Ke7 29. f4 Kd6 30. Kf3 Na6 31. Ra1 Nec7 32. h5 Nb8 33. Ra7 Nd7 34. N3a4 Rb4 35. Nxd7 Kxd7 36. Nc5+ Kd6 37. Rxc7 Kxc7 38. Na6+ 1-0

[Event "Curitiba IEP&Copel op"]
[Site "Curitiba"]
[Date "2017.05.12"]
[Round "2"]
[White "Niehues, Luiz Cesar"]
[Black "Cabral, Mauricio Balluta"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1634"]
[PlyCount "57"]
[EventDate "2017.05.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 Nc6 3. Nc3 d5 4. Nf3 dxc4 5. e3 Bg4 6. Bxc4 Bxf3 7. Qxf3 Nb4 8. 0-0 e6 9. a3 Nc6 10. b4 Bd6 11. Bb2 0-0 12. Rad1 Ne8 13. Ne4 f5 14. Bxe6+ Kh8 15. Nxd6 cxd6 16. Bb3 Ne7 17. e4 Rc8 18. Rfe1 Nc7 19. e5 d5 20. Rc1 Ng6 21. Re2 Nh4 22. Qh3 Ne6 23. Rxc8 Qxc8 24. Qxh4 g5 25. Qh3 Nxd4 26. e6 g4 27. Qc3 Qa8 28. Qxd4+ Kg8 29. Qh8# 1-0

