[Event "Timbo op 2nd"]
[Site "Timbo"]
[Date "2022.02.20"]
[Round "7"]
[White "Neitzel, Jonatan"]
[Black "Rodrigues Mota, Romulo Cardoso S"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "1592"]
[BlackElo "2031"]
[PlyCount "48"]
[EventDate "2022.02.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. cxd5 exd5 5. Bg2 h5 6. h4 c6 7. d4 Bf5 8. Nf3 Bd6 9. Bg5 Nbd7 10. Nd2 Qc7 11. e4 dxe4 12. Ndxe4 Nxe4 13. Nxe4 Bb4+ 14. Nc3 0-0 15. Qxh5 Rfe8+ 16. Be3 Rxe3+ 17. fxe3 Qxg3+ 18. Kf1 Bd3+ 19. Ne2 Qxe3 20. Rh3 Qxd4 21. Rd1 Bc5 22. Ke1 Qf2+ 23. Kd2 Bxe2 24. Qxe2 Bb4+ 0-1

[Event "Timbo op 2nd"]
[Site "Timbo"]
[Date "2022.02.19"]
[Round "5"]
[White "Leao, Cintia Rocha"]
[Black "Neitzel, Jonatan"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1926"]
[BlackElo "1592"]
[PlyCount "55"]
[EventDate "2022.02.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. c3 0-0 6. 0-0 h6 7. Re1 d6 8. Nbd2 a5 9. Bb3 Ng4 10. Re2 b5 11. Bd5 Ra6 12. a4 b4 13. Nb3 bxc3 14. bxc3 Ba7 15. h3 Nf6 16. Bc4 Rb6 17. Be3 Rb7 18. Bb5 Bxe3 19. Rxe3 Na7 20. Nxa5 Rb8 21. Nc6 Nxc6 22. Bxc6 Be6 23. a5 Bd7 24. Bxd7 Nxd7 25. Re2 c5 26. Rea2 Ra8 27. Qb3 Qc7 28. Nd2 1/2-1/2

[Event "Timbo op 2nd"]
[Site "Timbo"]
[Date "2022.02.18"]
[Round "2"]
[White "Neitzel, Jonatan"]
[Black "Carvalho, Kayle Fabricio Amor"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1592"]
[PlyCount "109"]
[EventDate "2022.02.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. g3 e6 4. Bg2 d5 5. d4 cxd4 6. Qxd4 Nc6 7. Qd1 Bb4 8. a3 Ba5 9. b4 Bc7 10. cxd5 Nxd5 11. Nxd5 exd5 12. Qxd5 Qxd5 13. Bxd5 Nd4 14. Ra2 0-0 15. Nf3 Nxf3+ 16. Bxf3 Rb8 17. 0-0 Be6 18. Rd2 Be5 19. Bb2 Bxb2 20. Rxb2 Rfc8 21. Rd1 g6 22. Bd5 Bxd5 23. Rxd5 Rc3 24. Rd3 Rxd3 25. exd3 Rd8 26. Rb3 Kg7 27. Kf1 Kf6 28. Ke2 Re8+ 29. Kd2 Rd8 30. Rc3 Rd7 31. Rc4 Ke5 32. Ke3 b6 33. h3 f5 34. b5 Re7 35. f4+ Kd5+ 36. Kf3 Kd6 37. Kf2 Kd5 38. g4 h5 39. g5 h4 40. Rc6 Kd4 41. Rxg6 Kxd3 42. Rd6+ Ke4 43. Rh6 Kxf4 44. g6 Rg7 45. Rxh4+ Kg5 46. Rh7 Kxg6 47. Rxg7+ Kxg7 48. Kf3 Kh6 49. Kf4 Kg6 50. h4 Kh5 51. Kxf5 Kxh4 52. Ke5 Kg4 53. Kd5 Kf4 54. Kc6 Ke4 55. Kb7 1-0

[Event "Timbo op 2nd"]
[Site "Timbo"]
[Date "2022.02.18"]
[Round "3"]
[White "Segato, Pedro Henrique Pedr"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1974"]
[BlackElo "1592"]
[PlyCount "33"]
[EventDate "2022.02.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. Bf4 d5 4. e3 Bd6 5. Nbd2 c5 6. Bb5+ Nc6 7. Ne5 Qc7 8. 0-0 0-0 9. Ndf3 c4 10. b3 Na5 11. bxc4 dxc4 12. Qe2 c3 13. Bd3 Nh5 14. Bxh7+ Kh8 15. Bd3 Nf6 16. Ng5 Nc6 17. Nexf7+ 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.29"]
[Round "9"]
[White "Moro, Antonio Renato Pere"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "1853"]
[BlackElo "1592"]
[PlyCount "105"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. Nbd2 d5 6. Ne5 Bd6 7. 0-0 0-0 8. Qe2 c5 9. c3 Qc7 10. f4 Ne4 11. Rf3 Nd7 12. Rh3 Ndf6 13. Ndf3 h6 14. Bd2 Nxd2 15. Nxd2 Ne4 16. Nf1 f5 17. g4 Bxe5 18. dxe5 Qf7 19. Ng3 Qg6 20. gxf5 exf5 21. Qh5 Kh7 22. Re1 Rae8 23. Qd1 Bc6 24. Kf1 Qe6 25. Kg1 Rd8 26. Be2 g6 27. Qc2 b5 28. Rd1 a6 29. Nxe4 dxe4 30. b3 Rd7 31. Rxd7+ Qxd7 32. Rg3 Rd8 33. Rg2 Qe6 34. Bf1 Rd7 35. Qf2 Rd1 36. Qg3 Be8 37. h4 Qd5 38. Rf2 Qd3 39. c4 bxc4 40. Kg2 Qb1 41. bxc4 Bf7 42. h5 g5 43. e6 Bxe6 44. fxg5 Qb7 45. Qe5 Qe7 46. g6+ Kg8 47. Rxf5 Rd2+ 48. Kg1 Rd6 49. Rf6 Qd7 50. Qf4 Qd8 51. Rxe6 Rd7 52. Qe5 Qh4 53. Re8# 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.29"]
[Round "8"]
[White "Neitzel, Jonatan"]
[Black "De Siqueira, Luigy Lira"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "1592"]
[BlackElo "1853"]
[PlyCount "51"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 6. Nf3 Nc6 7. 0-0 g6 8. a3 Bg7 9. Rb1 0-0 10. Qc2 Ne6 11. e3 a5 12. b3 Rb8 13. Bb2 b6 14. Rfd1 Ba6 15. d3 Qd7 16. Na4 Rfd8 17. Ne1 Rbc8 18. Bxg7 Nxg7 19. Nb2 e5 20. Nf3 Qe7 21. Nc4 Nf5 22. Bh3 Re8 23. Bxf5 gxf5 24. Nh4 Qe6 25. Qe2 Ne7 26. Qh5 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.28"]
[Round "7"]
[White "Da Rosa, Henrique Jaze Simoe"]
[Black "Neitzel, Jonatan"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1824"]
[BlackElo "1592"]
[PlyCount "122"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 a6 5. Qd2 b5 6. f3 Nbd7 7. g4 Nb6 8. h4 h5 9. g5 Nfd7 10. b3 Bg7 11. Bh3 0-0 12. Nge2 b4 13. Nd1 c5 14. Nf2 cxd4 15. Bxd4 Ne5 16. Qe3 Nbd7 17. f4 Nc6 18. Bxg7 Kxg7 19. 0-0 Bb7 20. c4 bxc3 21. Nxc3 Qb6 22. Qxb6 Nxb6 23. Rac1 e6 24. f5 Rfe8 25. Rfd1 Rad8 26. f6+ Kf8 27. Nd3 Nd4 28. Kf2 e5 29. Ke3 Ba8 30. Nb4 a5 31. Na6 d5 32. Nc7 dxe4 33. Nxe8 Kxe8 34. Ne2 Nd5+ 35. Kf2 Nxe2 36. Kxe2 Nf4+ 37. Kf1 Rxd1+ 38. Rxd1 Nxh3 39. Rc1 Kd7 40. Rc5 a4 41. Rxe5 axb3 42. axb3 Kd6 43. Re8 Bd5 44. b4 Nf4 45. Rd8+ Kc7 46. Re8 Be6 47. b5 Bd5 48. Kf2 Kd7 49. Re7+ Kd6 50. b6 Nd3+ 51. Ke3 Nc5 52. Rc7 Nd7 53. Kd4 Nxb6 54. Ra7 Nd7 55. Ra5 Bc6 56. Ra7 Ne5 57. Ke3 Bd5 58. Ra6+ Nc6 59. Ra4 Ke5 60. Ra1 Nd4 61. Rh1 Nf5+ 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.27"]
[Round "5"]
[White "Grundmann, Julia Cristhine"]
[Black "Neitzel, Jonatan"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1183"]
[BlackElo "1592"]
[PlyCount "58"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Bc5 5. d3 0-0 6. 0-0 h6 7. Re1 d6 8. a3 Bg4 9. h3 Bh5 10. Be3 Bb6 11. Bxb6 axb6 12. Re3 Qd7 13. Qd2 Nd4 14. Nd5 Nxd5 15. exd5 Nxf3+ 16. gxf3 Qxh3 17. f4 Bf3 18. Rxf3 Qxf3 19. fxe5 Rae8 20. d4 dxe5 21. Qd3 Qg4+ 22. Kf1 exd4 23. Qg3 Qe4 24. c3 dxc3 25. bxc3 Qxc4+ 26. Kg1 Re4 27. f3 Qxc3 28. Rd1 Rfe8 29. Kf1 Re3 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.27"]
[Round "6"]
[White "Neitzel, Jonatan"]
[Black "De Quadros, Cristian Ribeiro"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "1592"]
[PlyCount "63"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. d4 d5 4. g3 c6 5. Bg2 Bd6 6. b3 0-0 7. Nf3 Nbd7 8. 0-0 dxc4 9. bxc4 e5 10. d5 cxd5 11. cxd5 a6 12. e4 b5 13. Ne1 Nc5 14. Nd3 Rb8 15. Be3 Nfd7 16. Nxc5 Nxc5 17. Rc1 Qe7 18. f3 Bd7 19. h4 f5 20. exf5 Bxf5 21. Ne4 Nxe4 22. fxe4 Bd7 23. Kh2 b4 24. Bh3 Bxh3 25. Kxh3 Qd7+ 26. Kg2 a5 27. Rxf8+ Rxf8 28. Rc6 Rc8 29. Qa4 Rxc6 30. dxc6 Qc7 31. Qb5 Qc8 32. Qd5+ 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.26"]
[Round "4"]
[White "Neitzel, Jonatan"]
[Black "De Oliveira, Rafael E Andrade"]
[Result "0-1"]
[ECO "E18"]
[WhiteElo "1592"]
[BlackElo "1179"]
[PlyCount "58"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. cxd5 exd5 5. d4 Be7 6. Bg2 0-0 7. Nf3 b6 8. 0-0 Bb7 9. Bd2 c5 10. e3 Nc6 11. a3 Re8 12. Re1 Bf8 13. Qb3 Na5 14. Qc2 c4 15. Rad1 Ne4 16. Nxe4 dxe4 17. Ne5 b5 18. Bxa5 Qxa5 19. b4 Qc7 20. h3 f6 21. Ng4 a5 22. Qb1 axb4 23. axb4 Ra4 24. Re2 Rxb4 25. Rb2 Rxb2 26. Qxb2 b4 27. Rc1 Bd5 28. Bf1 b3 29. Qd2 c3 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.25"]
[Round "3"]
[White "De Souza Monteiro, Marcos Paulo"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "1909"]
[BlackElo "1592"]
[PlyCount "73"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Be7 5. Nc3 Bb7 6. e3 0-0 7. Bd3 d5 8. 0-0 Ne4 9. cxd5 exd5 10. Qc2 f5 11. Qb3 Nxc3 12. bxc3 c5 13. dxc5 Bxc5 14. Nd4 Bxd4 15. cxd4 Ba6 16. Bd2 Bxd3 17. Qxd3 Nc6 18. Rac1 Rc8 19. Rc2 Qd7 20. Rfc1 Ne7 21. Bb4 Rxc2 22. Rxc2 Re8 23. Bxe7 Rxe7 24. g3 g6 25. Qb3 Kf7 26. a4 Qb7 27. Qb5 Rd7 28. Rc6 Ke7 29. h4 Rd6 30. Rc5 Qd7 31. Rc3 Qb7 32. Kg2 Rd7 33. Kf3 Kd6 34. Qb4+ Ke6 35. Qf8 Rc7 36. Qe8+ Re7 37. Rc6+ 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.25"]
[Round "2"]
[White "Neitzel, Jonatan"]
[Black "Frassetto, Eduarda"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "1592"]
[PlyCount "45"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 Nf6 5. d3 d6 6. Nf3 Be6 7. 0-0 Qd7 8. Ng5 Bf5 9. Nce4 Nxe4 10. Nxe4 Bb6 11. Re1 h5 12. h4 0-0-0 13. Nc3 Ne7 14. a4 Ba5 15. Rb1 c5 16. Bd2 Be6 17. Nb5 Bb6 18. a5 Bc7 19. Nxa7+ Kb8 20. Qb3 Bxa5 21. Bxa5 Kxa7 22. Ra1 Ra8 23. Bc7+ 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.24"]
[Round "1"]
[White "Ferreira, Vitor Hugo Vieira"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "2123"]
[BlackElo "1592"]
[PlyCount "71"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. 0-0 g6 5. c3 Bg7 6. d4 exd4 7. cxd4 d5 8. exd5 Nxd5 9. Re1+ Be6 10. Ng5 0-0 11. Nxe6 fxe6 12. Bxc6 bxc6 13. Nc3 Qf6 14. Qe2 Rae8 15. Be3 h5 16. Rad1 Kh7 17. Ne4 Qf5 18. Ng5+ Kh8 19. Nf3 Nf4 20. Bxf4 Qxf4 21. Qe4 Qxe4 22. Rxe4 Rf5 23. b3 Rd5 24. Rde1 Rd6 25. h4 Bf6 26. Rc1 Kg7 27. Rc5 Rb8 28. Ra5 Rb7 29. g4 hxg4 30. Rxg4 Rd5 31. Ra6 Kf7 32. Rxc6 Ra5 33. Rf4 Ke7 34. Re4 e5 35. dxe5 Bh8 36. Re2 1-0

[Event "Timbo op"]
[Site "Timbo"]
[Date "2021.06.13"]
[Round "6"]
[White "Neitzel, Jonatan"]
[Black "Almeida, Heidy Jose Moreira"]
[Result "1/2-1/2"]
[ECO "D74"]
[WhiteElo "1586"]
[BlackElo "1855"]
[PlyCount "53"]
[EventDate "2021.06.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. d4 g6 4. g3 Bg7 5. Bg2 d5 6. cxd5 Nxd5 7. Nf3 0-0 8. 0-0 Qa5 9. Bd2 Rd8 10. e4 Nxc3 11. Bxc3 Qc7 12. Qc2 Bg4 13. Rad1 Qb6 14. d5 cxd5 15. Bxg7 Kxg7 16. Rxd5 Rxd5 17. exd5 Bxf3 18. Bxf3 Na6 19. a3 Rd8 20. Qc3+ f6 21. Re1 Kf7 22. Qc4 Qc7 23. Qe4 Rd6 24. Qe3 Qd8 25. Qh6 Kg8 26. Qe3 Kf7 27. Qh6 1/2-1/2

[Event "Timbo op"]
[Site "Timbo"]
[Date "2021.06.13"]
[Round "5"]
[White "Neitzel, Jonatan"]
[Black "Neuenfeld, Eduarda"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "1586"]
[BlackElo "1304"]
[PlyCount "43"]
[EventDate "2021.06.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. d3 d5 4. cxd5 cxd5 5. Nf3 d4 6. Qa4+ Nc6 7. Ne4 Nxe4 8. dxe4 Qd7 9. b4 b5 10. Qb3 e5 11. a3 Be7 12. e3 Bb7 13. Bxb5 f6 14. 0-0 a6 15. Bc4 Rd8 16. Bf7+ Kf8 17. Bd5 Bd6 18. Bb2 Bc7 19. Rad1 f5 20. Be6 Qd6 21. Bxf5 d3 22. Ng5 1-0

[Event "Timbo op"]
[Site "Timbo"]
[Date "2021.06.12"]
[Round "4"]
[White "Messias, Jose Vitor Lamosa P"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "1748"]
[BlackElo "1586"]
[PlyCount "75"]
[EventDate "2021.06.11"]
[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. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Nbxd2 0-0 7. Bg2 b6 8. 0-0 Bb7 9. Rc1 Nbd7 10. c5 c6 11. Re1 Ne4 12. Nxe4 dxe4 13. Nd2 f5 14. Nc4 Nf6 15. Nd6 Ba6 16. Qa4 Bb5 17. Nxb5 cxb5 18. Qxb5 Qxd4 19. c6 a6 20. Qb3 Nd5 21. Rc4 Qe5 22. Rec1 Rfc8 23. e3 Rc7 24. Qd1 Qxb2 25. g4 Qe5 26. gxf5 exf5 27. Rd4 Rd8 28. Qa4 a5 29. Qb5 Qe6 30. Rcd1 Rxc6 31. Rxd5 Rxd5 32. Qxd5 Qxd5 33. Rxd5 Rc1+ 34. Bf1 g6 35. Kg2 Ra1 36. Bc4 Rc1 37. Bb3 Rc5 38. Rxc5+ 1-0

[Event "Timbo op"]
[Site "Timbo"]
[Date "2021.06.12"]
[Round "3"]
[White "Neitzel, Jonatan"]
[Black "Soares, Suyane"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1586"]
[BlackElo "1194"]
[PlyCount "45"]
[EventDate "2021.06.11"]
[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 c5 2. Nc3 e6 3. f4 Nc6 4. Nf3 Nf6 5. Bb5 Nd4 6. Bd3 b6 7. 0-0 Bb7 8. Qe1 Be7 9. a3 Qc7 10. Nxd4 cxd4 11. Nb5 Qc6 12. Kh1 0-0 13. Nxd4 Qc5 14. c3 Qh5 15. Be2 Qc5 16. d3 d6 17. Be3 Qc7 18. Qg3 e5 19. fxe5 dxe5 20. Nf5 g6 21. Nxe7+ Qxe7 22. Bg5 Kg7 23. Bxf6+ 1-0

[Event "Timbo op"]
[Site "Timbo"]
[Date "2021.06.11"]
[Round "1"]
[White "Cuco, Gustavo Henrique"]
[Black "Neitzel, Jonatan"]
[Result "0-1"]
[ECO "C54"]
[BlackElo "1586"]
[PlyCount "88"]
[EventDate "2021.06.11"]
[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 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. 0-0 0-0 7. h3 a6 8. Bb3 h6 9. Re1 Be6 10. Bc2 Nh7 11. d4 exd4 12. cxd4 Bb4 13. Nc3 d5 14. a3 dxe4 15. Bxe4 Bxc3 16. bxc3 Bd5 17. Bxd5 Qxd5 18. Ne5 Na5 19. Rb1 b5 20. a4 c6 21. Qd3 Nf6 22. Qf3 Qxf3 23. Nxf3 Nd5 24. Bd2 Nc4 25. Bc1 Nxc3 26. Ba3 Nxa3 27. Rb3 Nab1 28. Rexb1 Nxb1 29. Rxb1 Rad8 30. axb5 cxb5 31. Ra1 Ra8 32. Kf1 a5 33. Ke2 a4 34. Kd3 Rfd8 35. Nd2 Kf8 36. Ne4 b4 37. Nc5 a3 38. Kc4 Rab8 39. Kb3 Ke7 40. Na6 Rdc8 41. Ka2 Rc3 42. Kb1 a2+ 43. Kb2 Rbc8 44. Re1+ Kd6 0-1

[Event "Timbo op"]
[Site "Timbo"]
[Date "2021.02.21"]
[Round "5"]
[White "Neitzel, Jonatan"]
[Black "Campagnolo, Bruna"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "1594"]
[BlackElo "1316"]
[PlyCount "119"]
[EventDate "2021.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 d6 3. Nf3 f5 4. d4 Nc6 5. dxe5 Nxe5 6. Nxe5 dxe5 7. Qxd8+ Kxd8 8. Bg5+ Be7 9. 0-0-0+ Bd7 10. Be3 c6 11. f3 Kc7 12. Bf2 Nf6 13. h3 h5 14. Bh4 Rad8 15. e4 f4 16. Bf2 b6 17. Bd3 Be6 18. b3 Nd7 19. Na4 Nb8 20. Kb2 Na6 21. a3 Nc5 22. Nxc5 Bxc5 23. Bxc5 bxc5 24. Kc3 Rd4 25. Be2 Rhd8 26. Rd3 a5 27. h4 g6 28. Rg1 Ra8 29. a4 Rb8 30. g3 Rxd3+ 31. Bxd3 fxg3 32. Rxg3 Bf7 33. Bc2 Kd6 34. Kd2 Ke6 35. Ke3 Rf8 36. f4 exf4+ 37. Kxf4 Be8+ 38. Ke3 Rg8 39. Rg5 Kd6 40. e5+ Ke6 41. Bf5+ Kxe5 42. Bxg6+ Kd6 43. Bxe8 Rxe8+ 44. Kf4 Rb8 45. Rg3 Ke6 46. Ke4 Kd6 47. Rf3 Re8+ 48. Kd3 Re5 49. Rf8 Kc7 50. Ra8 Kb6 51. Rg8 Kc7 52. Rg7+ Kd6 53. Ra7 Rf5 54. Ke4 Re5+ 55. Kf4 Re2 56. Kg5 Re5+ 57. Kg6 Re6+ 58. Kxh5 Re5+ 59. Kg6 Re6+ 60. Kg7 1-0

[Event "Timbo op"]
[Site "Timbo"]
[Date "2021.02.20"]
[Round "3"]
[White "Neitzel, Jonatan"]
[Black "Starke, Bruno Orlando"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "1594"]
[BlackElo "2153"]
[PlyCount "55"]
[EventDate "2021.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. cxd5 exd5 4. d3 d4 5. Ne4 Nc6 6. Nf3 Be7 7. g3 Nf6 8. Nxf6+ Bxf6 9. Bg2 0-0 10. 0-0 Re8 11. Re1 a5 12. Bd2 a4 13. Qc2 Be6 14. b3 axb3 15. axb3 Rxa1 16. Rxa1 Bd5 17. Kf1 Qd7 18. Ng1 Bxg2+ 19. Kxg2 h5 20. h4 Qd5+ 21. f3 Be5 22. Be1 Qd6 23. Nh3 Ne7 24. Ng5 Nf5 25. Bf2 Bxg3 26. Ne4 Rxe4 27. dxe4 Bxf2 28. exf5 0-1

[Event "Timbo op"]
[Site "Timbo"]
[Date "2021.02.19"]
[Round "2"]
[White "De Carvalho, Amauri"]
[Black "Neitzel, Jonatan"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "1222"]
[BlackElo "1594"]
[PlyCount "114"]
[EventDate "2021.02.19"]
[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. c4 e6 3. Nc3 Bb4 4. Qc2 b6 5. Bg5 h6 6. Bh4 Bb7 7. a3 Bxc3+ 8. bxc3 Nc6 9. Nf3 Na5 10. e3 g5 11. Bg3 Ba6 12. Nd2 d5 13. Qa4+ c6 14. Be5 0-0 15. Bxf6 Qxf6 16. cxd5 Bxf1 17. Nxf1 cxd5 18. Nd2 Rfc8 19. Rc1 Nc4 20. Nxc4 Rxc4 21. Qb3 Rac8 22. 0-0 Qe7 23. Rc2 Qd7 24. Rfc1 Kf8 25. Ra2 Ke7 26. a4 Qc6 27. Ra3 a6 28. g3 f5 29. Kg2 Qd6 30. Ra2 R8c6 31. Qa3 Kd7 32. Qxd6+ Kxd6 33. Ra3 e5 34. Kf3 exd4 35. exd4 Rxd4 36. Ke3 Re4+ 37. Kd2 g4 38. a5 b5 39. Rb3 Rcc4 40. Rcb1 Ra4 41. Rb4 Rxa5 42. Kd3 Ra2 43. Rxe4 dxe4+ 44. Ke3 Ra3 45. Kd4 Ra2 46. Ke3 Ke5 47. Rd1 Ra3 48. Kd2 Ra4 49. Ke3 a5 50. Rd8 b4 51. Re8+ Kf6 52. cxb4 Rxb4 53. Ra8 Rb5 54. Rf8+ Ke5 55. Re8+ Kd5 56. Rf8 Kc4 57. Rc8+ Kb3 0-1

[Event "Santa Catarina-ch 64th "]
[Site "Lages"]
[Date "2020.02.16"]
[Round "6"]
[White "Lanznaster, Rafael"]
[Black "Neitzel, Jonatan"]
[Result "0-1"]
[ECO "A24"]
[WhiteElo "1369"]
[BlackElo "1600"]
[PlyCount "35"]
[EventDate "2020.02.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 g6 4. Nc3 c6 5. Nf3 d6 6. b3 Bg7 7. d3 0-0 8. 0-0 e4 9. Ng5 exd3 10. Qxd3 h6 11. Nf3 Bf5 12. e4 Nxe4 13. Nxe4 Bxa1 14. Ba3 Bg7 15. Nfd2 Re8 16. Qxd6 Nd7 17. Re1 Bf8 18. Qxd7 0-1

[Event "Santa Catarina-ch 64th "]
[Site "Lages"]
[Date "2020.02.16"]
[Round "5"]
[White "Neitzel, Jonatan"]
[Black "Machado, Luiz Fernando"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1600"]
[BlackElo "1552"]
[PlyCount "88"]
[EventDate "2020.02.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 e6 2. Bf4 f5 3. e3 Nf6 4. Nf3 d5 5. Nbd2 c6 6. c4 Bd6 7. Ne5 Bxe5 8. dxe5 Ne4 9. Nxe4 fxe4 10. Qh5+ g6 11. Qh6 Qa5+ 12. Kd1 Qc7 13. h4 Rg8 14. Rh3 Qg7 15. Qxg7 Rxg7 16. Bg5 Nd7 17. g4 Rf7 18. f4 exf3 19. Bf4 b6 20. Ke1 Ba6 21. b3 dxc4 22. Rc1 0-0-0 23. Rh2 Nc5 24. Rcc2 Nd3+ 25. Bxd3 Rxd3 26. bxc4 Rfd7 27. Kf2 Rd2+ 28. Kxf3 c5 29. e4 Rxc2 30. Rxc2 Rd4 31. Be3 Rxc4 32. Rxc4 Bxc4 33. a3 Kd7 34. Kf4 h6 35. Kf3 h5 36. Kf4 Be2 37. g5 Kc6 38. Bc1 c4 39. Ke3 Bd3 40. Kd4 Kb5 41. Bd2 Ka4 42. Bb4 Kb3 43. Bd6 a5 44. Bc7 c3 0-1

[Event "Santa Catarina-ch 64th "]
[Site "Lages"]
[Date "2020.02.15"]
[Round "4"]
[White "Bueno, Alfeu Varela Jr"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2137"]
[BlackElo "1600"]
[PlyCount "29"]
[EventDate "2020.02.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 Nf6 5. h3 c6 6. a4 a5 7. Be2 Qc7 8. Be3 b6 9. 0-0 0-0 10. Nd2 e5 11. Nc4 Ne8 12. dxe5 dxe5 13. Nxb6 Bb7 14. Nxa8 Bxa8 15. Bc5 1-0

[Event "Santa Catarina-ch 64th "]
[Site "Lages"]
[Date "2020.02.15"]
[Round "3"]
[White "Rech, Dione"]
[Black "Neitzel, Jonatan"]
[Result "0-1"]
[ECO "D01"]
[BlackElo "1600"]
[PlyCount "51"]
[EventDate "2020.02.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 h6 4. Bh4 Nbd7 5. e3 c6 6. Qd2 e5 7. f3 Be7 8. Bf2 Qb6 9. 0-0-0 Bb4 10. dxe5 Nxe5 11. Qd4 Ned7 12. Nge2 Qxd4 13. exd4 0-0 14. g4 Nh7 15. h4 f5 16. gxf5 Rxf5 17. Bg2 Nb6 18. Rhg1 Bd7 19. Ng3 Raf8 20. Nce2 Be7 21. Nf1 Nc4 22. Ne3 Nxe3 23. Bxe3 Bxh4 24. Bxh6 gxh6 25. Bh3+ Bg5+ 26. f4 0-1

[Event "Santa Catarina-ch 64th "]
[Site "Lages"]
[Date "2020.02.14"]
[Round "2"]
[White "Neitzel, Jonatan"]
[Black "Lanznaster, Joao Vitor"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "1600"]
[BlackElo "1292"]
[PlyCount "49"]
[EventDate "2020.02.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 Nf6 3. g3 d5 4. cxd5 exd5 5. Bg2 c6 6. d3 Be6 7. Nf3 Be7 8. 0-0 0-0 9. Rb1 Nbd7 10. b4 a6 11. h3 Qb6 12. Be3 Qc7 13. Nd4 Rfd8 14. Nxe6 fxe6 15. Qb3 Kh8 16. Rfc1 Nf8 17. Na4 Ng6 18. Bb6 Qe5 19. Bxd8 Rxd8 20. Qb2 Qc7 21. Nc5 Bxc5 22. bxc5 Rb8 23. Rc3 b5 24. cxb6 Rxb6 25. Qxb6 1-0

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.24"]
[Round "7"]
[White "Born, Ary"]
[Black "Neitzel, Jonatan"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1282"]
[BlackElo "1619"]
[PlyCount "58"]
[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 Nf6 2. d4 e6 3. Bf4 d5 4. e3 Bd6 5. Bg5 c5 6. Bd3 Nc6 7. c3 h6 8. Bh4 b6 9. Nbd2 Bb7 10. Bb5 a6 11. Ba4 b5 12. Bc2 Qe7 13. a3 e5 14. dxc5 Bxc5 15. b4 Bd6 16. e4 g5 17. Bg3 Rc8 18. Nb3 dxe4 19. Nfd2 Nd8 20. 0-0 Rxc3 21. Nc5 Bxc5 22. bxc5 Qxc5 23. Bb3 Qe7 24. Qe2 0-0 25. h3 Ne6 26. Rac1 Nd4 27. Qd1 Rxc1 28. Bxf7+ Rxf7 29. Qxc1 Ne2+ 0-1

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.23"]
[Round "5"]
[White "Da Silva, Juliano Roberto Ner"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "E33"]
[WhiteElo "1927"]
[BlackElo "1619"]
[PlyCount "89"]
[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 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 d5 6. Bg5 h6 7. Bh4 g5 8. Bg3 Ne4 9. e3 a5 10. Bd3 f5 11. Ne5 Bxc3+ 12. bxc3 Nxg3 13. Nxc6 bxc6 14. hxg3 a4 15. Rb1 Ba6 16. Qxa4 Kd7 17. cxd5 Bxd3 18. Qxc6+ Ke7 19. Rb7 Rc8 20. Qxe6+ Kf8 21. Rxh6 Rxh6 22. Qxh6+ Kf7 23. d6 Kg8 24. Qe6+ Kf8 25. f3 f4 26. Qh6+ Ke8 27. gxf4 Qxd6 28. Qxg5 Qa6 29. Qe5+ Kd8 30. Qd5+ Ke8 31. Kf2 Bc4 32. Qe4+ Kd8 33. Rb2 Kd7 34. g4 Qh6 35. Qf5+ Be6 36. Qb5+ c6 37. Qh5 Qxh5 38. gxh5 Rh8 39. e4 Rxh5 40. Ke3 Ra5 41. f5 Bxa2 42. Kf4 Bc4 43. Rb7+ Kc8 44. Rb4 Bf7 45. e5 1-0

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.23"]
[Round "6"]
[White "Neitzel, Jonatan"]
[Black "Araujo, Everson de Moura"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1619"]
[BlackElo "1958"]
[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 d5 2. Bf4 c5 3. e3 Nc6 4. c3 e6 5. Nd2 Bd6 6. Bg3 Nge7 7. Ngf3 0-0 8. Bd3 b6 9. Ne5 Bb7 10. h4 Nxe5 11. dxe5 Bc7 12. Bxh7+ Kxh7 13. Qh5+ Kg8 14. Nf3 g6 15. Qg4 Kg7 16. h5 Rh8 17. Bh4 Bxe5 18. h6+ Rxh6 19. Nxe5 Qh8 20. Qg5 Ng8 21. Nd7 Bc6 22. Qe5+ Kh7 23. Qxh8+ Kxh8 24. Ne5 Be8 25. f4 f6 26. Nf3 Bb5 27. Kd2 Bc6 28. Ke2 Rd8 29. Rad1 Rd7 30. Kf2 Rhh7 31. g4 d4 32. exd4 cxd4 33. Nxd4 Rxd4 34. cxd4 Bxh1 0-1

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.22"]
[Round "4"]
[White "Neitzel, Jonatan"]
[Black "Fugimoto, Rafael Aoki"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1619"]
[BlackElo "1232"]
[PlyCount "87"]
[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. c4 c5 2. Nc3 e6 3. g3 a6 4. Bg2 Qc7 5. Nf3 Nc6 6. 0-0 Rb8 7. Rb1 Nf6 8. b3 d6 9. d4 cxd4 10. Nxd4 b6 11. Nxc6 Ra8 12. Ba3 Bb7 13. Nd4 Bxg2 14. Kxg2 Be7 15. e4 0-0 16. h3 Qb7 17. f3 Rfd8 18. Qe2 Rac8 19. Rbc1 Rc7 20. e5 dxe5 21. Bxe7 Rxe7 22. Qxe5 Red7 23. Rfd1 Qc8 24. a4 Qc5 25. Qxc5 bxc5 26. Nc6 Rxd1 27. Rxd1 Rxd1 28. Nxd1 Nd7 29. Nc3 g6 30. f4 Kg7 31. Ne5 Nb6 32. Ne4 f6 33. Nd3 f5 34. Nexc5 a5 35. Nxe6+ Kf6 36. Nd4 g5 37. Nc6 g4 38. Nxa5 h5 39. Nc6 Kg6 40. a5 Nc8 41. a6 Nb6 42. c5 Na8 43. b4 gxh3+ 44. Kxh3 1-0

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.21"]
[Round "3"]
[White "Elesbao, Bernardo Dartora"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "1352"]
[BlackElo "1619"]
[PlyCount "41"]
[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 g6 2. d4 Bg7 3. Nc3 d6 4. f4 c6 5. Nf3 Nf6 6. e5 dxe5 7. fxe5 Nd5 8. Bc4 0-0 9. 0-0 Nxc3 10. bxc3 Qa5 11. Bd2 Qc7 12. Qc1 b6 13. Bh6 Ba6 14. Bd3 Rd8 15. Bxg7 Kxg7 16. Ng5 Rf8 17. Qf4 Bc8 18. Bc4 h6 19. Nxf7 g5 20. Qf3 Nd7 21. Qh5 1-0

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.21"]
[Round "2"]
[White "Neitzel, Jonatan"]
[Black "Cardoso, Marcio de Lucca"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1619"]
[BlackElo "1896"]
[PlyCount "48"]
[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. Bf4 g6 3. Nf3 Bg7 4. Nc3 d6 5. e4 b6 6. h3 Bb7 7. Bd3 0-0 8. 0-0 c5 9. d5 Na6 10. Qe2 Nc7 11. Qe3 e6 12. dxe6 fxe6 13. e5 Nfd5 14. Nxd5 Nxd5 15. Bg5 Nxe3 16. Bxd8 Nxf1 17. Be7 Rxf3 18. gxf3 Nd2 19. exd6 Nxf3+ 20. Kf1 Kf7 21. Rd1 Bc6 22. c3 Bf6 23. Bxf6 Kxf6 24. d7 Rd8 0-1

[Event "Florianopolis op 6th"]
[Site "Florianopolis"]
[Date "2020.01.20"]
[Round "1"]
[White "Thurow, Jennifer"]
[Black "Neitzel, Jonatan"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "1164"]
[BlackElo "1619"]
[PlyCount "76"]
[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. c4 c5 2. g3 Nc6 3. Bg2 g6 4. e3 Bg7 5. Ne2 Nf6 6. Nbc3 0-0 7. 0-0 d6 8. d3 a6 9. a4 Qc7 10. b3 Rb8 11. Bb2 e6 12. f4 b6 13. Rb1 Bb7 14. Re1 Nb4 15. e4 Ng4 16. Qd2 f5 17. Bh3 Nf6 18. Nc1 Nc6 19. Ba1 Nd4 20. Rf1 fxe4 21. dxe4 Nxe4 22. Nxe4 Bxe4 23. Nd3 Rbe8 24. Bg4 Qb7 25. Qd1 Nf5 26. Qe2 Nd4 27. Qd1 Bf5 28. Rf2 Qe4 29. Bxf5 exf5 30. Rf1 Ne2+ 31. Kf2 Nc3 32. Qe1 Bd4+ 33. Qe3 Bxe3+ 34. Ke1 Bxf4+ 35. Kf2 Be3+ 36. Ke1 Bd4+ 37. Kd2 Qe2+ 38. Kc1 Be3# 0-1

[Event "Sao Bento do Sul op 07"]
[Site "Sao Bento do Sul"]
[Date "2019.07.14"]
[Round "6"]
[White "Neitzel, Jonatan"]
[Black "De Oliveira, Guilherme Alfredo B"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1630"]
[BlackElo "2016"]
[PlyCount "64"]
[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 f5 2. Bg5 g6 3. Nf3 Bg7 4. Nc3 h6 5. Bf4 d5 6. Ne5 g5 7. e4 Nf6 8. Nxd5 0-0 9. Bc4 Nxd5 10. exd5 gxf4 11. Qh5 Qd6 12. 0-0-0 Nd7 13. Ng6 Rf7 14. Rde1 Nf6 15. Qf3 b5 16. Bb3 Ne4 17. Nxf4 b4 18. g4 Ng5 19. Qe3 fxg4 20. Nd3 Nf3 21. Ne5 Nxe1 22. Nxf7 Kxf7 23. Rxe1 Bf5 24. f3 h5 25. Kb1 Bf6 26. fxg4 hxg4 27. Rf1 Qd7 28. Qh6 Rg8 29. Qh5+ Kf8 30. Qh6+ Ke8 31. Qh7 Rh8 32. Qg6+ Kd8 0-1

[Event "Sao Bento do Sul op 07"]
[Site "Sao Bento do Sul"]
[Date "2019.07.14"]
[Round "7"]
[White "Ribeiro Carrico, Victor Hugo"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1738"]
[BlackElo "1630"]
[PlyCount "41"]
[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. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 0-0 9. e5 Ng4 10. h3 Nh6 11. 0-0 d6 12. Qc2 Bf5 13. Qc3 Qd7 14. Rac1 Rac8 15. Bb5 dxe5 16. Bxc6 bxc6 17. Nxe5 Qe6 18. Nxc6 Rfe8 19. a3 a6 20. Nf3 Bxh3 21. Ng5 1-0

[Event "Sao Bento do Sul op 07"]
[Site "Sao Bento do Sul"]
[Date "2019.07.13"]
[Round "3"]
[White "Calcada, Henrique Galvan"]
[Black "Neitzel, Jonatan"]
[Result "1/2-1/2"]
[ECO "D77"]
[WhiteElo "1341"]
[BlackElo "1630"]
[PlyCount "104"]
[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. Nf3 Nf6 2. g3 d5 3. Bg2 g6 4. 0-0 Bg7 5. d4 0-0 6. c4 dxc4 7. Na3 c3 8. bxc3 c6 9. Re1 Qa5 10. Qb3 Ne4 11. Bb2 Qc7 12. Qc2 f5 13. Nd2 Nxd2 14. Qxd2 e5 15. e3 Nd7 16. Rac1 Rd8 17. Qc2 Nf6 18. Nc4 e4 19. Rb1 Be6 20. Bf1 Ne8 21. Ba3 Qf7 22. Na5 Rab8 23. Nb3 b6 24. Rb2 Nd6 25. Nd2 Rbc8 26. Ba6 Rc7 27. c4 Bc8 28. Bxc8 Rcxc8 29. Rb3 Nb7 30. c5 b5 31. Bb4 a5 32. Bc3 Rd7 33. Ra1 Rcd8 34. a4 b4 35. Bb2 Bf8 36. Nc4 Qe6 37. Nb6 Rf7 38. Qc4 Qxc4 39. Nxc4 Bg7 40. Rc1 h5 41. h4 Kh7 42. Kg2 Bf6 43. Rh1 Rg8 44. Ba1 Bd8 45. Ne5 Rc7 46. Rbb1 Bf6 47. Nc4 Bd8 48. Rbc1 Re7 49. Nd6 Rd7 50. Nc4 Bc7 51. Nb2 Nd8 52. Nc4 Ne6 1/2-1/2

[Event "Sao Bento do Sul op 07"]
[Site "Sao Bento do Sul"]
[Date "2019.07.13"]
[Round "4"]
[White "Neitzel, Jonatan"]
[Black "Necker, Alyne"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "1630"]
[BlackElo "1224"]
[PlyCount "57"]
[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. c4 c5 2. Nc3 Nc6 3. g3 b6 4. Bg2 Bb7 5. Nf3 Nf6 6. 0-0 e6 7. a3 Be7 8. e3 0-0 9. Qc2 d5 10. cxd5 Nxd5 11. Rd1 Qc7 12. d4 Rad8 13. dxc5 Nxc3 14. Rxd8 Rxd8 15. cxb6 Ne2+ 16. Qxe2 Qxb6 17. Rb1 Bxa3 18. Nd2 Bc5 19. Ne4 Bd6 20. Nxd6 Rxd6 21. Bd2 Ne5 22. Bc3 Bxg2 23. Bxe5 Be4 24. Qg4 Bg6 25. Rc1 Rc6 26. Rd1 Rc5 27. Bd4 Qd6 28. Bxc5 Qxd1+ 29. Qxd1 1-0

[Event "Sao Bento do Sul op 07"]
[Site "Sao Bento do Sul"]
[Date "2019.07.13"]
[Round "5"]
[White "Warginowski, Leticia"]
[Black "Neitzel, Jonatan"]
[Result "0-1"]
[ECO "E52"]
[WhiteElo "1341"]
[BlackElo "1630"]
[PlyCount "50"]
[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 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 b6 5. e3 Bb7 6. Nf3 0-0 7. Bd3 d5 8. cxd5 exd5 9. Qc2 Bxc3 10. Bxc3 Ne4 11. Bb4 Re8 12. Rc1 Ba6 13. Bxe4 dxe4 14. Ne5 Nd7 15. Qxe4 Nxe5 16. dxe5 Qd7 17. Bc3 Rad8 18. f4 Qb5 19. Qc2 Rd3 20. Kf2 Red8 21. a4 Qd5 22. b4 Qe4 23. Bd4 R8xd4 24. Ke1 Qxe3+ 25. Qe2 Rd1+ 0-1

[Event "Santa Catarina State-ch 63rd"]
[Site "Timbo"]
[Date "2019.06.09"]
[Round "6"]
[White "Neitzel, Jonatan"]
[Black "De Oliveira, Guilherme Alfredo B"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "1611"]
[BlackElo "1978"]
[PlyCount "50"]
[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 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 c5 5. Nf3 Nc6 6. e3 0-0 7. 0-0 d5 8. cxd5 Nxd5 9. Nxd5 Qxd5 10. Nd4 Qd6 11. Nxc6 bxc6 12. Rb1 Bf5 13. e4 Be6 14. b3 Rfd8 15. Qc2 Rab8 16. Rd1 c4 17. b4 c5 18. b5 c3 19. d3 c4 20. Bf1 Bg4 21. Bf4 e5 22. Be3 Bxd1 23. Rxd1 Rxb5 24. Qxc3 Qb4 25. Qc1 c3 0-1

[Event "Santa Catarina State-ch 63rd"]
[Site "Timbo"]
[Date "2019.06.09"]
[Round "5"]
[White "Neitzel, Jonatan"]
[Black "Soares, Gustavo Henrique"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "1611"]
[BlackElo "1799"]
[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 Nf6 2. Nc3 e6 3. g3 d5 4. cxd5 exd5 5. Bg2 Be7 6. Nf3 0-0 7. e3 c6 8. 0-0 Bf5 9. d3 Na6 10. Nh4 Be6 11. a3 d4 12. exd4 Qxd4 13. Be3 Qd7 14. d4 Nd5 15. Nxd5 Bxd5 16. Nf3 Nc7 17. Qc2 Bf6 18. Rad1 Qe6 19. Rd2 Be4 20. Qd1 Qd5 21. Ne1 Bxg2 22. Nxg2 Ne6 23. Nf4 Nxf4 24. Bxf4 Rad8 25. Be3 Rfe8 26. Qa4 a6 27. Rfd1 Re4 28. Qb4 Rd7 29. Qc5 h6 30. b4 Qe6 31. d5 Rxd5 32. Rxd5 cxd5 33. Qxd5 Qxd5 34. Rxd5 Bb2 35. Rd8+ Kh7 36. Rd3 Kg6 37. Kf1 b5 38. Rb3 Be5 39. Ke2 f5 40. f4 Rc4 1-0

[Event "Santa Catarina State-ch 63rd"]
[Site "Timbo"]
[Date "2019.06.08"]
[Round "4"]
[White "Cabral, Mauricio Balluta"]
[Black "Neitzel, Jonatan"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1107"]
[BlackElo "1611"]
[PlyCount "76"]
[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 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 Bd6 5. Bxd6 Qxd6 6. c3 c5 7. Bd3 0-0 8. 0-0 b6 9. Nbd2 Nbd7 10. Re1 Bb7 11. Qc2 c4 12. Be2 b5 13. a3 Ne4 14. Nxe4 dxe4 15. Nd2 f5 16. Bf1 Rf6 17. g3 h5 18. h4 Rh6 19. Nxc4 bxc4 20. Bxc4 Ba6 21. Bxa6 Qxa6 22. Rf1 Rf6 23. Rfd1 Nb6 24. Rd2 Rb8 25. Rb1 Rff8 26. Re2 Rb7 27. Rd1 Rfb8 28. Kg2 Nc4 29. b4 Qc6 30. a4 a6 31. a5 Rc8 32. Rc1 Rbc7 33. Qb3 Qb5 34. Rec2 Kf7 35. Kg1 Nxa5 36. Qa3 Nc4 37. Qb3 a5 38. Qa2 a4 0-1

[Event "Santa Catarina State-ch 63rd"]
[Site "Timbo"]
[Date "2019.06.08"]
[Round "3"]
[White "Neitzel, Jonatan"]
[Black "Cordeiro, Marco Aurelio Zaror"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1611"]
[BlackElo "2215"]
[PlyCount "56"]
[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 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 Bg7 5. h4 h6 6. Bd3 0-0 7. Qd2 c5 8. Nf3 Nc6 9. Rd1 Bg4 10. Be2 e6 11. Ne5 Bxe2 12. Nxc6 bxc6 13. Qxe2 Nh5 14. Bh2 cxd4 15. exd4 Qxh4 16. Qf3 Nf6 17. Kd2 Qxd4+ 18. Kc1 Qb4 19. Be5 Nd7 20. Bxg7 Kxg7 21. g3 Rab8 22. b3 Ne5 23. Qe3 Ng4 24. Qd2 h5 25. Rh4 Rh8 26. Rdh1 d4 27. Ne4 Qxd2+ 28. Nxd2 Nxf2 0-1

[Event "Santa Catarina State-ch 63rd"]
[Site "Timbo"]
[Date "2019.06.07"]
[Round "2"]
[White "Andrade, Moacir Belarmino F"]
[Black "Neitzel, Jonatan"]
[Result "0-1"]
[ECO "C60"]
[WhiteElo "1466"]
[BlackElo "1611"]
[PlyCount "72"]
[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. Bb5 Nge7 4. Nc3 g6 5. 0-0 Bg7 6. Re1 0-0 7. a3 d6 8. h3 h6 9. Bc4 Kh7 10. Ne2 f5 11. exf5 Nxf5 12. c3 a6 13. d3 Qf6 14. Rf1 Bd7 15. Nd2 Rae8 16. Ne4 Qd8 17. Bb3 Be6 18. Bc2 Qh4 19. Nd2 Nfe7 20. Ng3 Nf5 21. Nf3 Qd8 22. Rb1 Rf7 23. b4 b5 24. a4 Ref8 25. Qe2 Nh4 26. Ne1 Qc8 27. Qe4 Nf5 28. Nxf5 d5 29. Qe2 Bxf5 30. g4 Bd7 31. Bd2 Qd8 32. Ng2 Rf3 33. Kh2 h5 34. Bd1 hxg4 35. h4 g3+ 36. Kh1 gxf2 0-1

[Event "Florianopolis op 5th"]
[Site "Florianopolis"]
[Date "2019.01.27"]
[Round "10"]
[White "Henriquetta, Rafael Stolf"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "1450"]
[BlackElo "1639"]
[PlyCount "80"]
[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. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. c3 g6 5. d4 exd4 6. cxd4 d5 7. e5 Bg7 8. 0-0 0-0 9. h3 a6 10. Ba4 b5 11. Bc2 Bf5 12. Be3 Qd7 13. Nbd2 Bxc2 14. Qxc2 a5 15. Rac1 a4 16. Bg5 Rac8 17. Rfe1 Nd8 18. Nf1 Ne6 19. Bxe7 Qxe7 20. Ne3 c6 21. Qd3 Rc7 22. Rc2 Re8 23. Rec1 Bh6 24. g3 Qd7 25. Nh2 Bg7 26. f4 f5 27. Nf3 c5 28. dxc5 d4 29. Rd1 Bf8 30. Rcd2 Bxc5 31. Nc2 Qc6 32. Kh2 Rd7 33. b3 b4 34. bxa4 Ra8 35. Qb3 Rxa4 36. Ng5 Re7 37. Nxe6 Rxe6 38. Nxd4 Bxd4 39. Rxd4 Ra3 40. Qxb4 Qf3 1-0

[Event "Florianopolis op 5th"]
[Site "Florianopolis"]
[Date "2019.01.26"]
[Round "9"]
[White "Neitzel, Jonatan"]
[Black "Ferreira, Mateus Benedito Mar"]
[Result "0-1"]
[ECO "D71"]
[WhiteElo "1639"]
[BlackElo "1810"]
[PlyCount "94"]
[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. c4 g6 2. Nc3 Bg7 3. g3 Nf6 4. Bg2 0-0 5. e3 c6 6. Nge2 d5 7. cxd5 cxd5 8. d4 Nc6 9. 0-0 b6 10. b3 Ba6 11. Ba3 Re8 12. Qd2 e5 13. Rfc1 Rc8 14. Rc2 exd4 15. Nxd4 Nxd4 16. exd4 Ne4 17. Nxe4 Rxc2 18. Qxc2 dxe4 19. Bxe4 Qxd4 20. Re1 Bb7 21. Bxb7 Rxe1+ 22. Kg2 Re8 23. h4 Qd7 24. Bf3 Qe6 25. Bc1 Bd4 26. Bh6 Bg7 27. Be3 h5 28. Qd3 Qe5 29. a4 Kh7 30. Bf4 Qd4 31. Qb5 Rc8 32. Be3 Qe5 33. Qd7 Rc2 34. Qd3 Rc3 35. Qd1 Qf5 36. Bf4 Qd3 37. Qxd3 Rxd3 38. Be2 Rxb3 39. Bb5 Bd4 40. f3 Rb2+ 41. Kh1 f6 42. Bb8 Be5 43. Bxa7 Bxg3 44. Bxb6 Bxh4 45. Bd8 Kg7 46. Bc6 Bg3 47. a5 h4 0-1

[Event "Florianopolis op 5th"]
[Site "Florianopolis"]
[Date "2019.01.26"]
[Round "8"]
[White "Nunes, Lucas Alexandre"]
[Black "Neitzel, Jonatan"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1199"]
[BlackElo "1639"]
[PlyCount "107"]
[EventDate "2019.01.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 h6 6. 0-0 0-0 7. h3 d6 8. a4 a5 9. Be3 Ba7 10. Nbd2 Ne7 11. Bxa7 Rxa7 12. Qe2 Be6 13. Qe3 b6 14. Rfe1 Bxc4 15. Nxc4 Nh5 16. d4 f6 17. Nh4 Nf4 18. Rad1 Qe8 19. Qf3 Qxa4 20. dxe5 fxe5 21. Ne3 Nd3 22. Nef5 Nxf5 23. Nxf5 Rxf5 24. Qxf5 Nxe1 25. Qc8+ Kf7 26. Qf5+ Ke7 27. Rxe1 Qd7 28. Qxd7+ Kxd7 29. c4 Kc6 30. h4 Kc5 31. Rc1 a4 32. Kf1 Kb4 33. Rc3 a3 34. Rxa3 Rxa3 35. bxa3+ Kxc4 36. Ke2 Kb3 37. Kd3 Kxa3 38. Kc4 c6 39. g3 b5+ 40. Kc3 b4+ 41. Kc2 Ka2 42. f4 exf4 43. gxf4 b3+ 44. Kc3 b2 45. e5 dxe5 46. fxe5 b1Q 47. Kc4 Qe4+ 48. Kc5 Qd5+ 49. Kb6 Qxe5 50. Kxc6 Kb3 51. Kb6 Ka4 52. Kc6 Kb4 53. h5 Qxh5 54. Kd6 0-1

[Event "Florianopolis op 5th"]
[Site "Florianopolis"]
[Date "2019.01.25"]
[Round "7"]
[White "Neitzel, Jonatan"]
[Black "Dummer, Micael Schwenske"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1639"]
[PlyCount "46"]
[EventDate "2019.01.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.28"]
[SourceQuality "1"]

1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. g3 Nxe5 5. Bg2 Nf6 6. b3 g6 7. Nbd2 Nxf3+ 8. Nxf3 Bg7 9. Bb2 0-0 10. 0-0 c6 11. c4 d5 12. Qc1 dxc4 13. Ba3 c5 14. Qxc4 b6 15. e3 Be6 16. Qe2 Rfd8 17. Rad1 Rxd1 18. Rxd1 Rd8 19. Kf1 Ne4 20. Rxd8+ Qxd8 21. Qc2 Bf5 22. Qc1 Nc3 23. Bb2 Qd3+ 0-1

[Event "Florianopolis op 5th"]
[Site "Florianopolis"]
[Date "2019.01.24"]
[Round "6"]
[White "Barbosa, Flavio Novais"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1886"]
[BlackElo "1639"]
[PlyCount "37"]
[EventDate "2019.01.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.28"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 d5 4. e3 Bd6 5. Bg3 c5 6. c3 0-0 7. Nbd2 b6 8. Bd3 Bb7 9. 0-0 Bxg3 10. hxg3 Nbd7 11. Ne5 Nxe5 12. dxe5 Ne4 13. Qc2 Nxd2 14. Qxd2 Qg5 15. f4 Qxg3 16. Rf3 Qg4 17. Kf2 h6 18. Rg3 Qh5 19. Rh3 1-0

[Event "Florianopolis op 5th"]
[Site "Florianopolis"]
[Date "2019.01.24"]
[Round "5"]
[White "Neitzel, Jonatan"]
[Black "Jardim, Tamiris Salvador"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "1639"]
[BlackElo "1253"]
[PlyCount "73"]
[EventDate "2019.01.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.28"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. e3 Nbd7 6. Nge2 Rb8 7. Rb1 a6 8. a4 c5 9. 0-0 b6 10. d3 Bb7 11. e4 Qc7 12. b4 0-0 13. b5 a5 14. Bb2 Rfd8 15. f4 e6 16. h3 h5 17. Qe1 Re8 18. Qf2 Re7 19. Kh2 Rbe8 20. Rfe1 Ba8 21. Ng1 Bb7 22. Nf3 Qb8 23. Re2 Qc7 24. Rbe1 e5 25. Nd2 exf4 26. Qxf4 Ne5 27. Re3 Kh7 28. Nf3 Nxf3+ 29. Qxf3 Nd7 30. Qe2 Bh6 31. Rf3 f5 32. Qf1 Ne5 33. Rf2 Nd7 34. Rfe2 fxe4 35. Nxe4 Rf8 36. Nf6+ Rxf6 37. Rxe7+ 1-0

[Event "Florianopolis op 5th"]
[Site "Florianopolis"]
[Date "2019.01.23"]
[Round "4"]
[White "Ribeiro, Regina"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "1936"]
[BlackElo "1639"]
[PlyCount "39"]
[EventDate "2019.01.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.28"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 c5 5. 0-0 0-0 6. Nc3 Nc6 7. d4 cxd4 8. Nxd4 a6 9. e4 Qc7 10. Nc2 d6 11. Ne3 e6 12. Qd2 b6 13. b3 Bb7 14. Bb2 Rad8 15. Rac1 Ne7 16. Rfd1 Rd7 17. Qe2 Rfd8 18. Rd2 Ne8 19. Rcd1 Nf6 20. f4 1-0

[Event "Florianopolis op 5th"]
[Site "Florianopolis"]
[Date "2019.01.22"]
[Round "2"]
[White "Januario, Severino Pereira"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "D05"]
[WhiteElo "2173"]
[BlackElo "1639"]
[PlyCount "68"]
[EventDate "2019.01.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.28"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. Nbd2 d5 6. Qe2 Ne4 7. 0-0 Be7 8. Ne5 0-0 9. f4 f5 10. Ndf3 Nd7 11. b3 Rf6 12. a4 a5 13. Ba3 Bxa3 14. Rxa3 Rh6 15. c4 Ndf6 16. Ng5 Qe7 17. Raa1 Rf8 18. Rac1 Nd7 19. Nef3 Ndf6 20. Bxe4 Nxe4 21. Nxe4 fxe4 22. Ne5 Ba6 23. Qc2 Rc8 24. Rfd1 c5 25. cxd5 exd5 26. dxc5 Rxc5 27. Qd2 Bb7 28. Rxc5 bxc5 29. Qxa5 Ra6 30. Qc3 Qc7 31. Rc1 Ra5 32. b4 Rxa4 33. Qxc5 Qxc5 34. bxc5 Ra3 1-0

[Event "Florianopolis op 5th"]
[Site "Florianopolis"]
[Date "2019.01.22"]
[Round "3"]
[White "Neitzel, Jonatan"]
[Black "Brandao, Murilo Tavares"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1639"]
[BlackElo "1341"]
[PlyCount "113"]
[EventDate "2019.01.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.28"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e3 c5 6. Nge2 d6 7. 0-0 Nc6 8. a3 Bg4 9. h3 Bd7 10. Rb1 Qc8 11. Kh2 a6 12. d3 Rb8 13. b4 cxb4 14. axb4 Ne5 15. f4 Nc6 16. b5 Nd8 17. bxa6 bxa6 18. Qc2 Ne6 19. Bb2 Bc6 20. e4 Nc5 21. Nd5 Bxd5 22. exd5 Qf5 23. Rfd1 Qd7 24. Nd4 Rbc8 25. Bc3 e6 26. dxe6 fxe6 27. Nb3 Nxb3 28. Qxb3 Rc7 29. Qa3 Rfc8 30. Ba5 Ra7 31. Bb6 Bf8 32. Bxa7 Qxa7 33. Qb2 Nh5 34. Qe2 Re8 35. d4 Re7 36. Qd3 Bg7 37. Rb3 a5 38. Qd2 a4 39. Ra3 Rc7 40. Qe2 Re7 41. Bc6 Bxd4 42. Rxa4 Qc5 43. Bd5 Be3 44. Ra8+ Kg7 45. Bf3 Nf6 46. Rb8 d5 47. cxd5 exd5 48. Qd3 d4 49. Rdb1 Nd5 50. R8b5 Nxf4 51. gxf4 Bxf4+ 52. Kg2 Qa7 53. Rb7 Qa2+ 54. R1b2 Qa1 55. Rxe7+ Kh6 56. Qxd4 Qc1 57. Qg7+ 1-0

[Event "Florianopolis op 5th"]
[Site "Florianopolis"]
[Date "2019.01.21"]
[Round "1"]
[White "Neitzel, Jonatan"]
[Black "Trois, Francisco R Torres"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1639"]
[BlackElo "2163"]
[PlyCount "71"]
[EventDate "2019.01.21"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.28"]
[SourceQuality "1"]

1. d4 g6 2. Nf3 Bg7 3. Bf4 Nf6 4. Nc3 d6 5. e4 c6 6. Qd2 Bg4 7. Be2 d5 8. e5 Ne4 9. Nxe4 dxe4 10. Ng5 Bxe2 11. Kxe2 Qd5 12. Qe3 f5 13. exf6 exf6 14. Qxe4+ Kd7 15. Qxd5+ cxd5 16. Nf3 Nc6 17. c3 Rae8+ 18. Kd3 Re4 19. Bd2 Rhe8 20. Rhe1 h5 21. Ng1 b5 22. Re2 b4 23. Rae1 bxc3 24. bxc3 Rxe2 25. Rxe2 Rb8 26. Kc2 Na5 27. Nf3 Nc4 28. Bc1 Bf8 29. Nd2 Nb6 30. h3 Rc8 31. Kb3 a5 32. Kc2 Bd6 33. Nb1 Nc4 34. Nd2 Nb6 35. Nb3 Nc4 36. Nd2 1/2-1/2

[Event "Sao Bento do Sul op 08"]
[Site "Sao Bento do Sul"]
[Date "2018.08.26"]
[Round "6"]
[White "Neitzel, Jonatan"]
[Black "Ribeiro, Thiago"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1638"]
[BlackElo "1319"]
[PlyCount "61"]
[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. c4 c5 2. Nc3 Nc6 3. g3 b6 4. Bg2 Bb7 5. d3 e6 6. e3 Nf6 7. Nge2 Be7 8. 0-0 0-0 9. a3 Qc7 10. Qc2 Na5 11. e4 Rad8 12. Bf4 d6 13. Bd2 a6 14. b4 Nc6 15. b5 Nd4 16. Qb2 axb5 17. Nxd4 cxd4 18. Nxb5 Qc5 19. Nxd4 Ng4 20. h3 Bf6 21. Bc3 Ne5 22. Rad1 d5 23. Bb4 Nf3+ 24. Bxf3 Qxd4 25. Qb3 Rfe8 26. Rc1 Qb2 27. Qxb2 Bxb2 28. Rc2 dxe4 29. dxe4 Bxe4 30. Rd1 h6 31. Rxd8 1-0

[Event "Sao Bento do Sul op 08"]
[Site "Sao Bento do Sul"]
[Date "2018.08.25"]
[Round "3"]
[White "Liebl, Livia"]
[Black "Neitzel, Jonatan"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1514"]
[BlackElo "1638"]
[PlyCount "66"]
[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. e3 e6 3. f4 b6 4. Nf3 Be7 5. c3 Bb7 6. Bd3 d6 7. 0-0 Nbd7 8. Nbd2 0-0 9. e4 c5 10. e5 Ne8 11. Ne4 d5 12. Neg5 g6 13. Qe1 h6 14. Qh4 Kg7 15. Nxe6+ fxe6 16. Qg4 Rf5 17. Bxf5 exf5 18. Qh3 Nc7 19. g4 Qf8 20. gxf5 Qxf5 21. Qg3 Ne6 22. Kh1 Ba6 23. Rg1 Bd3 24. h3 Be4 25. Be3 Rf8 26. Raf1 Nxf4 27. Bxf4 Qxf4 28. Qxf4 Rxf4 29. Kg2 Nb8 30. Kg3 g5 31. a3 Nc6 32. dxc5 Bxc5 33. Rh1 Kf7 0-1

[Event "Sao Bento do Sul op 08"]
[Site "Sao Bento do Sul"]
[Date "2018.08.25"]
[Round "4"]
[White "Neitzel, Jonatan"]
[Black "Piccoli, Lucas Fonseca"]
[Result "0-1"]
[ECO "A27"]
[WhiteElo "1638"]
[BlackElo "1912"]
[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. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Nxc6 bxc6 7. g3 Ne7 8. Bg2 0-0 9. 0-0 d6 10. Qc2 Be6 11. b3 Bf5 12. e4 Be6 13. Bb2 Qd7 14. Rfd1 Rad8 15. Na4 Bh3 16. Bxg7 Kxg7 17. Qc3+ f6 18. Bxh3 Qxh3 19. Qa5 Rd7 20. Qxa7 c5 21. Qa5 Nc6 22. Qe1 Ne5 23. Qe2 g5 24. f3 f5 25. Qg2 Qh5 26. Kh1 fxe4 27. f4 Nf3 28. Nxc5 Re7 29. g4 Qh4 30. Nxe4 Rxf4 31. Nf2 Re2 32. Rf1 Nd2 33. Kg1 Ne4 34. Qh3 Rfxf2 35. Qxh4 Rg2+ 36. Kh1 gxh4 37. Rfd1 Rxh2+ 38. Kg1 Reg2+ 39. Kf1 Ng3+ 40. Ke1 Re2# 0-1

[Event "Sao Bento do Sul op 08"]
[Site "Sao Bento do Sul"]
[Date "2018.08.25"]
[Round "2"]
[White "Neitzel, Jonatan"]
[Black "Rahn, Marlon Cristiano"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1638"]
[BlackElo "1007"]
[PlyCount "61"]
[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 c6 3. c3 Nf6 4. Nf3 Bf5 5. e3 e6 6. Qb3 Qb6 7. Nbd2 Nbd7 8. c4 Bb4 9. c5 Qa5 10. a3 Bxd2+ 11. Nxd2 Ne4 12. Qb4 Qxb4 13. axb4 Nxd2 14. Kxd2 Nf6 15. f3 0-0 16. h4 h5 17. Be2 a6 18. Be5 Nd7 19. Bd6 Rae8 20. g4 Bg6 21. f4 b6 22. gxh5 Bh7 23. Rag1 bxc5 24. bxc5 Nf6 25. Be5 Ne4+ 26. Ke1 f6 27. Bc7 a5 28. Bf3 a4 29. Bxe4 Bxe4 30. Rh2 a3 31. bxa3 1-0

[Event "Sao Bento do Sul op 06"]
[Site "Sao Bento do Sul"]
[Date "2018.06.17"]
[Round "6"]
[White "Constantino, Pedro Henrique"]
[Black "Neitzel, Jonatan"]
[Result "1/2-1/2"]
[ECO "C54"]
[BlackElo "1645"]
[PlyCount "40"]
[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. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Nxe4 8. Bxb4 Nxb4 9. Bxf7+ Kf8 10. Qb3 Qe7 11. 0-0 Qxf7 12. Qxb4+ d6 13. Re1 Qd5 14. Nc3 Nxc3 15. Qxc3 c6 16. Qe3 Qf7 17. Ng5 Qe7 18. Qf4+ Kg8 19. Rad1 h6 20. Ne4 d5 1/2-1/2

[Event "Sao Bento do Sul op 06"]
[Site "Sao Bento do Sul"]
[Date "2018.06.17"]
[Round "5"]
[White "Peroza, Eduardo Antunes"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1771"]
[BlackElo "1645"]
[PlyCount "57"]
[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. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 h6 6. b4 Bb6 7. a4 a6 8. Qb3 0-0 9. Be3 Bxe3 10. fxe3 d6 11. Nbd2 Qe7 12. h3 Be6 13. Bd5 Qd7 14. g4 Ne7 15. Bxe6 Qxe6 16. Qxe6 fxe6 17. Ke2 g5 18. d4 Ng6 19. h4 Nxh4 20. Nxh4 gxh4 21. Rxh4 Kg7 22. Rg1 Kg6 23. Kd3 Ng8 24. g5 hxg5 25. Rhg4 Kf7 26. Rxg5 exd4 27. Rg7+ Kf6 28. R1g6+ Ke5 29. cxd4# 1-0

[Event "Sao Bento do Sul op 06"]
[Site "Sao Bento do Sul"]
[Date "2018.06.16"]
[Round "2"]
[White "May, Taina Beckauser"]
[Black "Neitzel, Jonatan"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1025"]
[BlackElo "1645"]
[PlyCount "28"]
[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. Bf4 e6 3. e3 d5 4. Nf3 c5 5. Be2 Bd6 6. Bxd6 Qxd6 7. Nbd2 b6 8. c4 Bb7 9. 0-0 0-0 10. Rc1 Nbd7 11. Re1 e5 12. dxe5 Nxe5 13. Nxe5 Qxe5 14. cxd5 Qxd5 0-1

[Event "Sao Bento do Sul op 06"]
[Site "Sao Bento do Sul"]
[Date "2018.06.16"]
[Round "3"]
[White "Neitzel, Jonatan"]
[Black "Caetano, Ryan Wesley da Cost"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "1645"]
[BlackElo "1982"]
[PlyCount "21"]
[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. c4 e5 2. Nc3 g6 3. g3 Bg7 4. Bg2 f5 5. d3 Nf6 6. e4 d6 7. Nge2 0-0 8. 0-0 c6 9. Be3 Be6 10. Qd2 Qd7 11. f3 0-1

[Event "Sao Bento do Sul op 06"]
[Site "Sao Bento do Sul"]
[Date "2018.06.16"]
[Round "4"]
[White "Neitzel, Jonatan"]
[Black "Campagnolo, Bruna1"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "1645"]
[PlyCount "65"]
[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. c4 d5 2. cxd5 Qxd5 3. Nc3 Qd8 4. g3 Nf6 5. Bg2 Nc6 6. Nf3 Bg4 7. a3 e6 8. d3 Bc5 9. 0-0 Qd7 10. b4 Bb6 11. b5 Na5 12. Ne5 Qd4 13. Nxg4 Nxg4 14. Qc2 Nxf2 15. e3 Qe5 16. d4 Qg5 17. Qxf2 0-0 18. Bd2 e5 19. Nd5 Nb3 20. Nxb6 axb6 21. Ra2 exd4 22. exd4 Nxd2 23. Qxd2 Qxb5 24. Bxb7 Ra7 25. Qg2 Qc4 26. Raf2 Qxd4 27. Qc6 Rxa3 28. Kg2 Rc3 29. Rxf7 Rb8 30. Rf8+ Rxf8 31. Qe6+ Rf7 32. Qxf7+ Kh8 33. Qf8# 1-0

[Event "Catarinense-ch"]
[Site "Blumenau"]
[Date "2017.05.21"]
[Round "5"]
[White "De Borba, Gabriel"]
[Black "Neitzel, Jonatan"]
[Result "0-1"]
[ECO "C77"]
[WhiteElo "1903"]
[BlackElo "1625"]
[PlyCount "66"]
[EventDate "2017.05.19"]
[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. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 g6 7. 0-0 b5 8. Bc2 Bg7 9. Nbd2 0-0 10. Re1 Bg4 11. h3 Bd7 12. Nf1 Nh5 13. Ne3 Ne7 14. d4 c5 15. b3 Qc8 16. Ba3 Re8 17. Rc1 a5 18. Bb1 a4 19. Bb2 Qb7 20. dxc5 dxc5 21. c4 Nc6 22. cxb5 Nd4 23. bxa4 Nxf3+ 24. gxf3 Bxh3 25. Rxc5 Qe7 26. Rc4 Qg5+ 27. Ng4 Nf4 28. Bc1 h5 29. Bxf4 exf4 30. Qd3 hxg4 31. Kh1 Qh5 32. fxg4 Bxg4+ 33. Kg1 Bf3 0-1

[Event "Catarinense-ch"]
[Site "Blumenau"]
[Date "2017.05.21"]
[Round "6"]
[White "Neitzel, Jonatan"]
[Black "Do Prado, Hamilton Mesquita"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1625"]
[BlackElo "1735"]
[PlyCount "88"]
[EventDate "2017.05.19"]
[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. Nf3 Nf6 3. Bf4 c6 4. e3 Bf5 5. Bd3 e6 6. Bxf5 exf5 7. Nbd2 Nbd7 8. c4 Rc8 9. h3 Ne4 10. c5 Ndf6 11. 0-0 Be7 12. Qc2 Nxd2 13. Nxd2 Qd7 14. Nf3 Bd8 15. Nh4 Ne4 16. Nf3 0-0 17. Ne5 Qe6 18. b4 f6 19. Nf3 Bc7 20. Bh2 Bxh2+ 21. Kxh2 Ng5 22. Nxg5 fxg5 23. g3 Rf6 24. Rae1 Rh6 25. f4 g4 26. h4 Qd7 27. Kg2 Re8 28. Re2 Re4 29. Rfe1 Rhe6 30. Kf2 h6 31. Qd3 Re8 32. a4 a6 33. Rb1 g5 34. hxg5 hxg5 35. Rh1 gxf4 36. gxf4 R8e7 37. Qd1 Rh7 38. Kg2 Ree7 39. Kg3 Qe6 40. Rxh7 Rxh7 41. Qg1 Qe4 42. Qg2 Rh3+ 43. Kf2 Rf3+ 44. Kg1 Qb1+ 0-1

[Event "Catarinense-ch"]
[Site "Blumenau"]
[Date "2017.05.20"]
[Round "3"]
[White "Melo, Maicon Joao"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2008"]
[BlackElo "1625"]
[PlyCount "49"]
[EventDate "2017.05.19"]
[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. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf6 6. f4 dxc6 7. Nc3 Qh4+ 8. g3 Qe7 9. Qe2 Nf6 10. h3 Bb4 11. Bg2 Bxc3+ 12. bxc3 0-0 13. Bd2 Re8 14. e5 Nd5 15. 0-0 Nxc3 16. Qf3 Nd5 17. Kh2 Nb6 18. f5 Nc4 19. Bc3 Nxe5 20. Bxe5 Qxe5 21. Rae1 Qxe1 22. Rxe1 Rxe1 23. Qf4 Re7 24. f6 Re8 25. Qg5 1-0

[Event "Catarinense-ch"]
[Site "Blumenau"]
[Date "2017.05.20"]
[Round "4"]
[White "Neitzel, Jonatan"]
[Black "Da Silva, Vinicius Rodrigues"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1625"]
[BlackElo "1776"]
[PlyCount "81"]
[EventDate "2017.05.19"]
[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 Nf6 3. Nf3 Bg4 4. Nbd2 e6 5. g3 Bb4 6. Ne5 0-0 7. Nxg4 Nxg4 8. Bh3 Nf6 9. 0-0 Ne4 10. Nxe4 dxe4 11. Bg2 f5 12. Qb3 a5 13. Rd1 Qe7 14. a3 a4 15. Qxb4 Qxb4 16. axb4 c6 17. Bf4 Nd7 18. Bd6 Rfc8 19. c5 b5 20. Ra3 Nf6 21. Rda1 Ne8 22. b3 Nc7 23. Bxc7 Rxc7 24. bxa4 Rca7 25. a5 Ra6 26. f3 exf3 27. exf3 g5 28. Re3 f4 29. Rxe6 Kf7 30. Rae1 fxg3 31. hxg3 Kf8 32. f4 gxf4 33. gxf4 R8a7 34. Kf2 Rb7 35. Bxc6 Rc7 36. d5 Raa7 37. Re8+ Kf7 38. Ba8 Re7 39. R8xe7+ Rxe7 40. Rxe7+ Kxe7 41. d6+ 1-0

[Event "Catarinense-ch"]
[Site "Blumenau"]
[Date "2017.05.19"]
[Round "1"]
[White "Borges, Guilherme Deola"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "E43"]
[WhiteElo "2149"]
[BlackElo "1625"]
[PlyCount "47"]
[EventDate "2017.05.19"]
[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 Bb4 4. e3 Bxc3+ 5. bxc3 b6 6. Bd3 Bb7 7. f3 c5 8. Ne2 Nc6 9. e4 e5 10. d5 Na5 11. Ng3 h6 12. 0-0 Ba6 13. Qe2 g6 14. f4 Qe7 15. fxe5 Qxe5 16. Qf3 Ke7 17. Bf4 Qxc3 18. e5 Nxd5 19. cxd5 Qxd3 20. Bg5+ hxg5 21. Qf6+ Ke8 22. d6 Qd4+ 23. Rf2 Qxa1+ 24. Nf1 1-0

[Event "Catarinense-ch"]
[Site "Blumenau"]
[Date "2017.05.19"]
[Round "2"]
[White "Neitzel, Jonatan"]
[Black "Goncalves, Eduardo Galina"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "1625"]
[BlackElo "1784"]
[PlyCount "71"]
[EventDate "2017.05.19"]
[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. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. 0-0 0-0 6. c4 Nbd7 7. Qc2 e5 8. d5 Nc5 9. Nc3 Nfd7 10. e4 f5 11. Rb1 Nf6 12. Nd2 Bd7 13. b4 Na6 14. a3 Qe7 15. Bb2 Nh5 16. Bf3 Nf6 17. exf5 Bxf5 18. Nce4 Nxe4 19. Bxe4 Bxe4 20. Nxe4 Rac8 21. Qb3 c6 22. dxc6 Rxc6 23. c5+ Kh8 24. Nxd6 Rc7 25. Rbe1 Qg5 26. Qe3 Qxe3 27. Rxe3 Re7 28. Rfe1 Nc7 29. Bxe5 Rxe5 30. Rxe5 Bxe5 31. Rxe5 Rb8 32. Re7 Nd5 33. Rd7 Nf6 34. Rxb7 Rxb7 35. Nxb7 Nd7 36. c6 1-0

[Event "Blumenau Ann 100 op"]
[Site "Blumenau"]
[Date "2016.09.23"]
[Round "1"]
[White "Barbosa, Jefferson Lucas Mun"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2089"]
[BlackElo "1610"]
[PlyCount "71"]
[EventDate "2016.09.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Qc7 12. 0-0-0 0-0-0 13. Kb1 Ngf6 14. Ne4 Nxe4 15. Qxe4 Nf6 16. Qe2 Bd6 17. c4 Qe7 18. Ne5 Nd7 19. f4 Nxe5 20. fxe5 Bb4 21. Bf4 Rd7 22. Rh3 Rhd8 23. Rhd3 Ba5 24. Qg4 Qf8 25. Bg3 Bb4 26. a3 Be7 27. d5 cxd5 28. cxd5 Kb8 29. d6 Bg5 30. Bf2 f6 31. Qxe6 fxe5 32. Bg3 Bf4 33. Bh4 Qe8 34. Be7 Bg5 35. Qxe5 Bxe7 36. dxe7+ 1-0

[Event "Sao Bento do Sul U2050 2nd"]
[Site "Sao Bento do Sul"]
[Date "2016.09.18"]
[Round "6.21"]
[White "Neitzel, Jonatan"]
[Black "Felix, Joao Eduardo Orland"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "1610"]
[BlackElo "1272"]
[PlyCount "41"]
[EventDate "2016.09.16"]
[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 f5 2. c4 Nf6 3. Nf3 e6 4. g3 c6 5. Bg2 d5 6. Nbd2 Nbd7 7. 0-0 Be7 8. b3 a5 9. a3 dxc4 10. Nxc4 Nd5 11. Bb2 N7f6 12. Nfe5 b5 13. Nxc6 Qc7 14. N4e5 Bb7 15. Rc1 0-0 16. Nxe7+ Qxe7 17. e3 Ra6 18. Re1 Rc8 19. Nc6 Qc7 20. Nb4 Qb6 21. Nxa6 1-0

[Event "Sao Bento do Sul U2050 2nd"]
[Site "Sao Bento do Sul"]
[Date "2016.09.18"]
[Round "7.13"]
[White "Stranginske, Nayele Manfioletti"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1844"]
[BlackElo "1610"]
[PlyCount "103"]
[EventDate "2016.09.16"]
[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. Bf4 d5 3. Nf3 e6 4. e3 c5 5. c3 Bd6 6. Bxd6 Qxd6 7. Nbd2 Nbd7 8. Qc2 b6 9. Be2 Bb7 10. 0-0 0-0 11. Rad1 c4 12. Ng5 h6 13. Nh3 Rfc8 14. f4 Qe7 15. g4 Nh7 16. Rf3 Rf8 17. Rg3 f5 18. Rf1 fxg4 19. Bxg4 Ndf6 20. Bf3 Qf7 21. Rf2 Ne8 22. Rfg2 Qf5 23. e4 Qf7 24. Qd1 Qe7 25. e5 Kh8 26. Bh5 Rg8 27. Bxe8 Raxe8 28. Nf3 Bc8 29. Rg4 Bd7 30. Nh4 Nf8 31. Qc2 Rc8 32. Qf2 Rc7 33. Qg3 Be8 34. f5 Bh5 35. f6 Qf7 36. fxg7+ Rxg7 37. Rxg7 Qxg7 38. Qf4 Ng6 39. Nxg6+ Bxg6 40. Qg4 Bf5 41. Qh5 Qf8 42. Nf4 Kh7 43. Nxe6 Bxe6 44. Qg6+ Kh8 45. Qxe6 Rf7 46. Rg3 Rf1+ 47. Kg2 Rf2+ 48. Kh3 Rf5 49. Qg6 Rf2 50. Qg4 Rxb2 51. e6 Rf2 52. e7 1-0

[Event "Sao Bento do Sul U2050 2nd"]
[Site "Sao Bento do Sul"]
[Date "2016.09.17"]
[Round "3.11"]
[White "Hille, Waltercler"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "1927"]
[BlackElo "1610"]
[PlyCount "77"]
[EventDate "2016.09.16"]
[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. Nf3 d5 4. g3 b6 5. Bg2 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 Nbd7 8. Ne5 Bb7 9. e3 0-0 10. 0-0 Rb8 11. Rc1 c5 12. f4 Nxe5 13. dxe5 Ne4 14. Nxe4 dxe4 15. Qc2 Qd3 16. Qxd3 exd3 17. Rfd1 Bxg2 18. Kxg2 Rfd8 19. Rc3 d2 20. Rc2 Kf8 21. Rcxd2 Ke7 22. Rd6 Rxd6 23. exd6+ Kf6 24. e4 e5 25. Rd5 Ke6 26. fxe5 Kd7 27. b3 Re8 28. Kf3 Re6 29. Kf4 f6 30. exf6 Rxf6+ 31. Rf5 Rxf5+ 32. exf5 Kxd6 33. Ke4 Ke7 34. Ke5 Kd7 35. g4 Ke7 36. g5 h6 37. h4 Kd7 38. f6 hxg5 39. fxg7 1-0

[Event "Sao Bento do Sul U2050 2nd"]
[Site "Sao Bento do Sul"]
[Date "2016.09.17"]
[Round "4.19"]
[White "Idalgo Filho, Robson Farias"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "D41"]
[WhiteElo "1862"]
[BlackElo "1610"]
[PlyCount "71"]
[EventDate "2016.09.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. e3 e6 5. d4 d5 6. cxd5 Nxd5 7. e4 Nxc3 8. bxc3 cxd4 9. cxd4 Bb4+ 10. Bd2 Bxd2+ 11. Qxd2 0-0 12. Bc4 Qa5 13. Rb1 b6 14. Bb5 Bb7 15. Ke2 Qxd2+ 16. Kxd2 Rfd8 17. Bxc6 Bxc6 18. Ke3 Rac8 19. Rhc1 Bb7 20. Ne5 Rxc1 21. Rxc1 Rc8 22. Rxc8+ Bxc8 23. Nc6 Kf8 24. Nxa7 Bd7 25. Kd3 Ke8 26. Kc4 Kd8 27. Nb5 f5 28. f3 Be8 29. Nd6 Bg6 30. exf5 exf5 31. Kd5 f4 32. Ke5 Bb1 33. a3 Kd7 34. Ne4 Bxe4 35. fxe4 g5 36. h4 1-0

[Event "Sao Bento do Sul U2050 2nd"]
[Site "Sao Bento do Sul"]
[Date "2016.09.17"]
[Round "5.24"]
[White "Neitzel, Jonatan"]
[Black "Schutzler, Yan Sidnei"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "1610"]
[BlackElo "1329"]
[PlyCount "61"]
[EventDate "2016.09.16"]
[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 d6 3. g3 e6 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 d5 7. Nbd2 Nc6 8. a3 a5 9. b3 Ne4 10. Bb2 f5 11. e3 Nf6 12. Rc1 Na7 13. Ne5 c6 14. Ndf3 b5 15. c5 b4 16. a4 Ba6 17. Re1 Qc7 18. Bf1 Bxf1 19. Kxf1 Nd7 20. Qe2 Bf6 21. Nd3 Be7 22. Nf4 Rf6 23. Ng5 Rh6 24. Ngxe6 Qc8 25. h4 Nf6 26. Ng5 Ng4 27. Nf3 Nf6 28. Kg2 Ne4 29. Nd2 g5 30. hxg5 Bxg5 31. Rh1 1-0

[Event "Sao Bento do Sul U2050 2nd"]
[Site "Sao Bento do Sul"]
[Date "2016.09.16"]
[Round "2.17"]
[White "Neitzel, Jonatan"]
[Black "Marschal, Maiilon"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1610"]
[BlackElo "1568"]
[PlyCount "139"]
[EventDate "2016.09.16"]
[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 d5 2. c4 Nf6 3. Nf3 c6 4. g3 e6 5. Nbd2 Na6 6. a3 Be7 7. Bg2 h5 8. 0-0 Qc7 9. b3 h4 10. Nxh4 Rxh4 11. gxh4 Ng4 12. Nf3 e5 13. dxe5 Nxe5 14. Nxe5 Qxe5 15. Ra2 Bf5 16. Bb2 Qf4 17. e3 Qxh4 18. Be5 Rd8 19. Bg3 Qg5 20. cxd5 cxd5 21. Rd2 Be6 22. b4 b5 23. Qe2 d4 24. exd4 Bc4 25. Qd1 Bxf1 26. Kxf1 Bd6 27. Rd3 Nc7 28. Qc2 Qf6 29. Qc6+ Kf8 30. Bxd6+ Qxd6 31. Qxd6+ Rxd6 32. Ke2 Ne6 33. Ke3 f5 34. d5 Nd8 35. Kd4 a6 36. Kc5 Nb7+ 37. Kd4 Nd8 38. Ke5 Nf7+ 39. Kxf5 Rf6+ 40. Ke4 Rxf2 41. Rg3 Nd6+ 42. Ke5 Nc4+ 43. Kd4 Ra2 44. Kc5 Nxa3 45. d6 Rc2+ 46. Kb6 Nc4+ 47. Kxa6 Nxd6 48. Rg6 Nc4 49. Kxb5 Ne3 50. Be4 Rxh2 51. Kc6 Rh4 52. Re6 Kf7 53. Re5 g5 54. b5 Kf6 55. Re8 Nc4 56. Kc5 Ne5 57. Bd5 Rh2 58. Re6+ Kf5 59. b6 Rd2 60. b7 Nd7+ 61. Kd6 Nb8 62. Re8 Na6 63. Rf8+ Kg6 64. Ke5 Rb2 65. Rf6+ Kh5 66. Rxa6 g4 67. Ra3 Kh4 68. Rb3 Re2+ 69. Kd6 g3 70. b8Q 1-0

[Event "Sao Bento do Sul U2050 2nd"]
[Site "Sao Bento do Sul"]
[Date "2016.09.16"]
[Round "1.1"]
[White "Rodrigues, Nei Jorge"]
[Black "Neitzel, Jonatan"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2036"]
[BlackElo "1610"]
[PlyCount "107"]
[EventDate "2016.09.16"]
[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. Nf3 e6 3. c4 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bd2 Nbd7 7. cxd5 Bxc3 8. Bxc3 Nxd5 9. e4 Nxc3 10. bxc3 0-0 11. Bb5 c6 12. Bd3 b6 13. 0-0 Bb7 14. Re1 Qc7 15. e5 c5 16. Rc1 Rac8 17. Nd2 cxd4 18. cxd4 Qxc1 19. Qxc1 Rxc1 20. Rxc1 Rc8 21. Rxc8+ Bxc8 22. Ne4 Nb8 23. Nd6 Bd7 24. f4 Kf8 25. Kf2 Ke7 26. Ke3 Nc6 27. a3 Nd8 28. g4 f6 29. h4 Nf7 30. Nxf7 Kxf7 31. f5 Ke7 32. Kf4 exf5 33. gxf5 a5 34. Ke4 fxe5 35. dxe5 Ba4 36. Kd5 Kd7 37. Be2 Bb3+ 38. Kd4 Ba4 39. Bg4 Ke7 40. Kd5 Be8 41. Bh3 Ba4 42. Bf1 Kd7 43. f6 gxf6 44. exf6 Bb3+ 45. Ke5 Bf7 46. Bb5+ Kc7 47. a4 Bb3 48. Be8 Kd8 49. Bb5 Kc7 50. Kf5 Bf7 51. Ke5 Bb3 52. Kd4 Kd6 53. Be8 Ke6 54. f7 1/2-1/2

[Event "Florianopolis Winter U220 op"]
[Site "Florianopolis"]
[Date "2016.08.21"]
[Round "7"]
[White "Neitzel, Jonatan"]
[Black "Braz de Araujo Gama, Heitor"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1656"]
[BlackElo "1805"]
[PlyCount "65"]
[EventDate "2016.08.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nc6 3. Nf3 e6 4. e3 Nf6 5. Nbd2 Bd6 6. Bg3 b6 7. Bd3 Bb7 8. c3 Qd7 9. 0-0 0-0-0 10. b4 Ne7 11. a4 Nh5 12. Bxd6 Qxd6 13. Ne5 g6 14. Nxf7 Qd7 15. Qe2 c6 16. Nxd8 Rxd8 17. Ba6 Nf6 18. Bxb7+ Qxb7 19. Qf3 Neg8 20. Rfc1 Qc7 21. c4 h5 22. h3 e5 23. Rc2 e4 24. Qe2 Nh6 25. Rac1 Nfg4 26. hxg4 Nxg4 27. Nf1 Rf8 28. cxd5 c5 29. Rxc5 bxc5 30. Rxc5 Qxc5 31. dxc5 g5 32. Qa6+ Kb8 33. Qd6+ 1-0

[Event "Florianopolis Winter U220 op"]
[Site "Florianopolis"]
[Date "2016.08.20"]
[Round "4"]
[White "Maciel, Felipe Eduardo Ribe"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "B13"]
[BlackElo "1656"]
[PlyCount "51"]
[EventDate "2016.08.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Bf5 5. Nc3 Nf6 6. Nf3 e6 7. Bf4 Bd6 8. Qd2 Bxf4 9. Qxf4 dxc4 10. Bxc4 a6 11. 0-0 0-0 12. Rad1 Qc8 13. Bb3 Nbd7 14. Rfe1 Qb8 15. Qh4 Bg4 16. Re3 b5 17. Bc2 h6 18. h3 Bxf3 19. Rxf3 Rc8 20. Bb3 Nb6 21. Rxf6 gxf6 22. Qxh6 Nd7 23. Rd3 Nf8 24. Rg3+ Ng6 25. Bxe6 fxe6 26. Rxg6+ 1-0

[Event "Florianopolis Winter U220 op"]
[Site "Florianopolis"]
[Date "2016.08.20"]
[Round "5"]
[White "Neitzel, Jonatan"]
[Black "Braz A, Daniel"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "1656"]
[BlackElo "1816"]
[PlyCount "83"]
[EventDate "2016.08.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. Nf3 d5 4. g3 Bf5 5. Bg2 Nbd7 6. b3 e6 7. 0-0 Be7 8. Nbd2 h6 9. Bb2 0-0 10. Re1 Ne4 11. Nxe4 Bxe4 12. Ne5 Nxe5 13. Bxe4 dxe4 14. dxe5 Bc5 15. e3 Qd3 16. Qxd3 exd3 17. Red1 Rad8 18. a3 a5 19. Bc3 Rd7 20. Bxa5 b6 21. Bc3 Rfd8 22. b4 Be7 23. Rd2 g5 24. f4 g4 25. Kf2 Kg7 26. Rad1 Kg6 27. e4 h5 28. Ke3 h4 29. Rxd3 Rxd3+ 30. Rxd3 Rxd3+ 31. Kxd3 h3 32. a4 Bd8 33. a5 bxa5 34. bxa5 f5 35. exf6 Bc7 36. a6 Bxf4 37. a7 Bxg3 38. a8Q Bxh2 39. Qg8+ Kh5 40. Qh7+ Kg5 41. Bd2+ Bf4 42. Qg7+ 1-0

[Event "Florianopolis Winter U220 op"]
[Site "Florianopolis"]
[Date "2016.08.20"]
[Round "3"]
[White "Neitzel, Jonatan"]
[Black "Pimenta, Elisandro da Silva"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1656"]
[BlackElo "1853"]
[PlyCount "74"]
[EventDate "2016.08.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. e3 Bb7 5. Nbd2 Be7 6. Bd3 0-0 7. c4 d5 8. 0-0 Nbd7 9. h3 c5 10. Re1 cxd4 11. exd4 dxc4 12. Nxc4 Nd5 13. Bg3 N7f6 14. a3 Nh5 15. Bh2 Ndf4 16. Be4 Bxe4 17. Rxe4 Qd5 18. Ncd2 Bd6 19. Ne5 f5 20. Rxf4 Nxf4 21. Bxf4 Qxd4 22. Qb3 Rae8 23. Qe3 Qxb2 24. Rb1 Qxa3 25. Rb3 Qc5 26. Qg3 Bxe5 27. Bxe5 Rf7 28. Rc3 Qb4 29. Nc4 Rc8 30. Nd6 Rxc3 31. Bxc3 Qb1+ 32. Kh2 Rd7 33. Ne8 f4 34. Qxf4 Qf5 35. Qb8 Qf8 36. Qc8 Re7 37. Bxg7 Qxe8 0-1

[Event "Florianopolis Winter U220 op"]
[Site "Florianopolis"]
[Date "2016.08.19"]
[Round "2"]
[White "Cordioli, Joao Pedro Ribeiro"]
[Black "Neitzel, Jonatan"]
[Result "0-1"]
[ECO "A45"]
[BlackElo "1656"]
[PlyCount "98"]
[EventDate "2016.08.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 b6 6. Nf3 0-0 7. Bd3 Bb7 8. 0-0 d6 9. e4 Nxe4 10. Bxe4 Bxe4 11. Bg5 Qe8 12. Qe2 Qc6 13. Rae1 Bxf3 14. Qxf3 Qxf3 15. gxf3 Nd7 16. Re2 a5 17. Rfe1 d5 18. f4 h6 19. Bh4 g6 20. Bg3 Rac8 21. h4 h5 22. f3 Nf6 23. Kf2 Ne8 24. Ke3 Nd6 25. Kd3 Nc4 26. Ra1 c5 27. a4 Rc6 28. Bf2 Rfc8 29. f5 exf5 30. Re7 Re6 31. Rd7 Rce8 32. Rxd5 Nb2+ 33. Kd2 Re2+ 34. Kc1 Nc4 35. Kb1 Rxf2 36. dxc5 bxc5 37. Rxc5 Rb8+ 38. Rb5 Rxb5+ 39. axb5 Rf1+ 40. Ka2 Rxa1+ 41. Kxa1 g5 42. Ka2 a4 43. Kb1 gxh4 44. Kc1 h3 45. Kd1 h2 46. Ke2 h1Q 47. Kd3 Qf1+ 48. Kd4 a3 49. Kc5 a2 0-1

[Event "Florianopolis Winter U220 op"]
[Site "Florianopolis"]
[Date "2016.08.19"]
[Round "1"]
[White "Neitzel, Jonatan"]
[Black "Martins, Anmartom Mugabe Lou"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1656"]
[BlackElo "2047"]
[PlyCount "56"]
[EventDate "2016.08.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. c3 Nc6 4. Nf3 Nf6 5. Nbd2 e6 6. e3 Be7 7. Bd3 0-0 8. h3 a6 9. 0-0 Bd6 10. Ne5 Bxe5 11. dxe5 Nd7 12. Nf3 f5 13. exf6 Nxf6 14. Ne5 Nxe5 15. Bxe5 Bd7 16. Qc2 Qe7 17. Rfe1 Bc6 18. Rad1 c4 19. Be2 Nd7 20. Bg3 Nc5 21. f3 Ba4 22. b3 cxb3 23. Qb2 bxa2 24. Qxa2 Bxd1 25. Rxd1 b5 26. e4 Na4 27. Qb3 Qc5+ 28. Kh2 Qxc3 0-1

[Event "Catarinense-ch"]
[Site "Tres Barras"]
[Date "2016.06.26"]
[Round "7"]
[White "Neitzel, Jonatan"]
[Black "Lino, Tiffany Marcele"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1670"]
[BlackElo "1322"]
[PlyCount "81"]
[EventDate "2016.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Bf4 e6 4. e3 Bd6 5. Bg3 0-0 6. Bd3 c6 7. Nbd2 Qc7 8. Ne5 Nbd7 9. Ndf3 h6 10. c3 Ne4 11. Nxd7 Bxg3 12. Bxe4 Qxd7 13. hxg3 dxe4 14. Nd2 f5 15. Nc4 Qd5 16. Ne5 Qd8 17. Qe2 Qf6 18. 0-0-0 Rd8 19. Qh5 c5 20. f4 exf3 21. gxf3 cxd4 22. exd4 b6 23. f4 Bb7 24. Rhg1 Rac8 25. g4 fxg4 26. Rxg4 Be4 27. Kd2 Rd5 28. Ke3 Bf5 29. Rg3 Kf8 30. Rdg1 Rc7 31. Qe2 Ke8 32. Qg2 h5 33. Rxg7 Rxg7 34. Qxg7 Qxg7 35. Rxg7 Bb1 36. Rxa7 h4 37. Ra8+ Ke7 38. Rh8 Bxa2 39. Rxh4 Kf6 40. Rh7 Kf5 41. Rf7# 1-0

[Event "Catarinense-ch"]
[Site "Tres Barras"]
[Date "2016.06.26"]
[Round "6"]
[White "Schutzler, Yan Sidnei"]
[Black "Neitzel, Jonatan"]
[Result "1/2-1/2"]
[ECO "B87"]
[WhiteElo "1320"]
[BlackElo "1670"]
[PlyCount "45"]
[EventDate "2016.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 b5 7. Bb3 e6 8. 0-0 Bb7 9. Re1 Nbd7 10. a3 e5 11. Nf5 Nc5 12. Bd5 Nxd5 13. Nxd5 h6 14. Be3 g6 15. Ng3 Rc8 16. b4 Bxd5 17. Qxd5 Ne6 18. Rac1 Qd7 19. c4 bxc4 20. Rxc4 Rxc4 21. Qxc4 Qb7 22. Rc1 Be7 23. Qc6+ 1/2-1/2

[Event "Catarinense-ch"]
[Site "Tres Barras"]
[Date "2016.06.25"]
[Round "5"]
[White "Kovalski, Willian Wille"]
[Black "Neitzel, Jonatan"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1670"]
[PlyCount "100"]
[EventDate "2016.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Nbd7 5. Nc3 Be7 6. g3 0-0 7. Bg2 c6 8. a4 a5 9. 0-0 Nh5 10. Qd3 Nxf4 11. exf4 g6 12. Rfe1 Bf6 13. Ne5 Bg7 14. Ne2 Nxe5 15. dxe5 c5 16. b3 b6 17. Rad1 Ba6 18. c4 Ra7 19. f5 Bxe5 20. fxg6 hxg6 21. Nf4 Bxf4 22. gxf4 Qh4 23. Qg3 Qxg3 24. hxg3 dxc4 25. bxc4 Bxc4 26. Re4 Bd5 27. Re3 Rd7 28. Red3 Rfd8 29. f3 Bc6 30. Rxd7 Rxd7 31. Ra1 Rd4 32. Rb1 Rb4 33. Rxb4 axb4 34. Bf1 Bxa4 35. Bd3 Bd1 36. Kf2 b3 37. Ke3 Bc2 38. Kd2 Bxd3 39. Kc1 c4 40. Kb2 b5 41. Kc3 b4+ 42. Kxb4 b2 43. Kc5 b1Q 44. f5 c3 45. fxe6 fxe6 46. f4 c2 47. f5 c1Q+ 48. Kd6 Qb6+ 49. Ke5 Qce3+ 50. Kf6 Qd8+ 0-1

[Event "Catarinense-ch"]
[Site "Tres Barras"]
[Date "2016.06.24"]
[Round "2"]
[White "De Souza, Gerson Eduardo"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "B50"]
[BlackElo "1670"]
[PlyCount "65"]
[EventDate "2016.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 d6 3. Nf3 Nf6 4. d3 e6 5. Bg5 Nbd7 6. 0-0 Be7 7. Nc3 a6 8. a3 b5 9. Ba2 Bb7 10. Re1 0-0 11. Qd2 Re8 12. Qf4 Qc7 13. Re3 b4 14. Ne2 Nh5 15. Qh4 Bxg5 16. Nxg5 Nhf6 17. Rh3 h6 18. Nf4 Nf8 19. Nh5 Nxh5 20. Qxh5 d5 21. Re1 Qe5 22. Qxf7+ Kh8 23. Qxb7 Qxg5 24. Rg3 Qe5 25. h3 Reb8 26. Qf7 Nh7 27. Ree3 Qxb2 28. exd5 Ng5 29. Qh5 Qxa2 30. Rxg5 Qa1+ 31. Kh2 bxa3 32. Rxe6 Qb1 33. Rxh6+ 1-0

[Event "Catarinense-ch"]
[Site "Tres Barras"]
[Date "2016.06.24"]
[Round "3"]
[White "Neitzel, Jonatan"]
[Black "Do Prado, Gabriel Amaral"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1670"]
[PlyCount "44"]
[EventDate "2016.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 Nh5 4. Bg3 Be7 5. e3 d5 6. Bd3 Bd7 7. Nbd2 c5 8. c3 Nc6 9. e4 Qb6 10. Qb3 Qxb3 11. axb3 Nxg3 12. hxg3 cxd4 13. c4 dxc4 14. Nxc4 0-0 15. Ke2 a6 16. Nb6 Rad8 17. e5 h6 18. Nxd7 Rxd7 19. Rhc1 Rc8 20. Ra4 Kf8 21. Kd1 Ke8 22. Nxd4 Rcd8 0-1

[Event "Catarinense-ch"]
[Site "Tres Barras"]
[Date "2016.06.23"]
[Round "1"]
[White "Neitzel, Jonatan"]
[Black "Barbosa, Evandro Amorim"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1670"]
[BlackElo "2505"]
[PlyCount "76"]
[EventDate "2016.06.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Be2 d6 6. h3 Nbd7 7. Nbd2 b6 8. 0-0 Bb7 9. c4 Ne4 10. Nxe4 Bxe4 11. Nd2 Bb7 12. Bf3 Qc8 13. Bxb7 Qxb7 14. Qf3 c6 15. Rab1 e5 16. dxe5 dxe5 17. Bh2 f5 18. b4 Rad8 19. Rfd1 e4 20. Qe2 Ne5 21. Bxe5 Bxe5 22. Nb3 Rde8 23. c5 b5 24. Nd4 f4 25. Qg4 Rf6 26. Ne2 f3 27. Rd7 Qc8 28. Nf4 Bxf4 29. exf4 h5 30. Qg5 Qxd7 31. Qxf6 Re6 32. Qc3 fxg2 33. Qb3 Kh7 34. Rd1 Qe7 35. Qe3 Qf7 36. Rd6 Rxd6 37. cxd6 Qd7 38. Qc5 Qxh3 0-1

[Event "Sao Bento do Sul U2050 1st"]
[Site "Sao Bento do Sul"]
[Date "2016.05.22"]
[Round "7.17"]
[White "Crul, Otavio Augusto Barr"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "D48"]
[WhiteElo "1716"]
[BlackElo "1701"]
[PlyCount "64"]
[EventDate "2016.05.20"]
[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 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. 0-0 a6 10. e4 b4 11. Na4 c5 12. Nxc5 Nxc5 13. dxc5 Bxe4 14. Qa4+ Qd7 15. Qxd7+ Kxd7 16. Ne5+ Ke8 17. Be3 Bxd3 18. Nxd3 Nd5 19. Rac1 f6 20. Rfd1 Rc8 21. Bd2 a5 22. a3 Rc6 23. axb4 Nxb4 24. Nxb4 axb4 25. Bxb4 h5 26. Ba5 Be7 27. Bb6 Kf7 28. b4 Rhc8 29. Re1 Rxb6 30. cxb6 Rb8 31. Rb1 Rxb6 32. b5 Ke8 1-0

[Event "Sao Bento do Sul U2050 1st"]
[Site "Sao Bento do Sul"]
[Date "2016.05.22"]
[Round "6.20"]
[White "Neitzel, Jonatan"]
[Black "De Lima, Nathalia Bonfanti F"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1701"]
[BlackElo "1390"]
[PlyCount "49"]
[EventDate "2016.05.20"]
[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. Nf3 d5 3. Bf4 c6 4. Nbd2 e6 5. e3 Nh5 6. Bg3 Nxg3 7. hxg3 Nd7 8. Bd3 Nf6 9. c3 g6 10. Qe2 Bg7 11. Ne5 Nd7 12. Nef3 e5 13. e4 0-0 14. 0-0-0 exd4 15. Nxd4 dxe4 16. Nxe4 Re8 17. Qc2 Nf6 18. Nxf6+ Qxf6 19. Kb1 b5 20. Be4 Bb7 21. Nxb5 Qe7 22. Nd6 Red8 23. Nxb7 Qxb7 24. Rd3 Rxd3 25. Bxd3 1-0

[Event "Sao Bento do Sul U2050 1st"]
[Site "Sao Bento do Sul"]
[Date "2016.05.21"]
[Round "5.15"]
[White "Fischer Junior, Donaldo"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1910"]
[BlackElo "1701"]
[PlyCount "131"]
[EventDate "2016.05.20"]
[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 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 b5 7. a3 Bb7 8. Bd3 Nbd7 9. Be3 Nc5 10. f3 Nxd3+ 11. cxd3 e6 12. Nde2 Be7 13. 0-0 0-0 14. Rc1 Rc8 15. Qe1 Nh5 16. Qf2 Bh4 17. g3 Bg5 18. f4 Be7 19. Kh2 g6 20. g4 Ng7 21. Ng3 f5 22. gxf5 exf5 23. Bd4 fxe4 24. Bxg7 Kxg7 25. Ncxe4 Rxc1 26. Rxc1 d5 27. Nc5 Bxc5 28. Rxc5 Qf6 29. f5 Rf7 30. d4 h5 31. Qg1 Kh7 32. fxg6+ Qxg6 33. Qe3 h4 34. Ne2 Qh5 35. Kh1 Kg6 36. Rc1 Qf3+ 37. Qxf3 Rxf3 38. Kg2 Rf8 39. Rc7 Rf7 40. Rxf7 Kxf7 41. Kf3 Bc8 42. Nf4 Bf5 43. b4 Ke8 44. Ng2 Bxh3 45. Nxh4 Kf7 46. Kf4 Ke6 47. Kg5 Bf1 48. Ng6 Bc4 49. Nf4+ Kd6 50. Kf6 Bb3 51. Nh5 Bc4 52. Ng7 Bb3 53. Nf5+ Kd7 54. Ke5 Bc4 55. Ng7 Ke7 56. Ne6 Kd7 57. Nc5+ Kc6 58. Nxa6 Kb7 59. Nc5+ Kc6 60. Ne6 Bb3 61. Nf4 Bc4 62. Ng2 Bb3 63. Ne3 Bc4 64. Ke6 Bb3 65. Nf5 Bc4 66. Ne7+ 1-0

[Event "Sao Bento do Sul U2050 1st"]
[Site "Sao Bento do Sul"]
[Date "2016.05.21"]
[Round "4.22"]
[White "Neitzel, Jonatan"]
[Black "Evangelista, Andriele"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1701"]
[BlackElo "1354"]
[PlyCount "37"]
[EventDate "2016.05.20"]
[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 d5 2. Bf4 Nf6 3. Nf3 e6 4. e3 Nc6 5. Nbd2 Bd6 6. g3 Qe7 7. c3 b6 8. Bb5 Bb7 9. Qa4 Qd7 10. Bxd6 Qxd6 11. Ne5 a6 12. Bxc6+ Bxc6 13. Qxc6+ Qxc6 14. Nxc6 Kd7 15. Ne5+ Ke7 16. Ke2 Nd7 17. Ndf3 f6 18. Nxd7 Kxd7 19. a4 1-0

[Event "Sao Bento do Sul U2050 1st"]
[Site "Sao Bento do Sul"]
[Date "2016.05.21"]
[Round "3.12"]
[White "Rapouso, Ricardo Luis Borba"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "D48"]
[WhiteElo "1937"]
[BlackElo "1701"]
[PlyCount "83"]
[EventDate "2016.05.20"]
[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 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. 0-0 a6 10. e4 b4 11. Na4 c5 12. d5 exd5 13. exd5 Bxd5 14. Re1+ Be7 15. Qe2 Be6 16. Ng5 Bg4 17. f3 Bh5 18. Bf4 Kf8 19. Bc4 h6 20. Bc7 Qe8 21. Qd2 Qc8 22. Bd6 Bxd6 23. Qxd6+ Kg8 24. Nh3 Kh7 25. Nf4 Bg6 26. Nxg6 fxg6 27. Re7 Re8 28. Rae1 Rxe7 29. Rxe7 Qf8 30. Qe6 Re8 31. Rxe8 Qxe8 32. Qxe8 Nxe8 33. Bxa6 Nef6 34. Bd3 Ne5 35. Nxc5 Nxd3 36. Nxd3 Nd5 37. f4 Kg8 38. Kf2 Kf8 39. Kf3 Ke7 40. Ke4 Kd6 41. g3 Kc6 42. Kd4 1-0

[Event "Sao Bento do Sul U2050 1st"]
[Site "Sao Bento do Sul"]
[Date "2016.05.20"]
[Round "2.20"]
[White "Neitzel, Jonatan"]
[Black "Lopes, Leonardo Borges"]
[Result "1-0"]
[ECO "E07"]
[WhiteElo "1701"]
[BlackElo "1273"]
[PlyCount "49"]
[EventDate "2016.05.20"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nbd7 5. e3 c6 6. g3 Be7 7. Bg2 0-0 8. 0-0 b6 9. b3 Bb7 10. Bb2 Rc8 11. Re1 c5 12. cxd5 cxd4 13. Nxd4 Nxd5 14. Nxd5 Bxd5 15. Bxd5 exd5 16. Nf5 Nf6 17. Nxe7+ Qxe7 18. Bxf6 Qxf6 19. Rc1 Qb2 20. Rxc8 Rxc8 21. Re2 Qe5 22. Rd2 Rd8 23. Rd4 h6 24. Kf1 f5 25. Qd3 1-0

[Event "Sao Bento do Sul U2050 1st"]
[Site "Sao Bento do Sul"]
[Date "2016.05.20"]
[Round "1.6"]
[White "Zimmermann, Kleber Renato P"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "D48"]
[WhiteElo "1944"]
[BlackElo "1701"]
[PlyCount "53"]
[EventDate "2016.05.20"]
[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 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. 0-0 c5 10. Re1 Bb7 11. Bc2 Qc7 12. e4 cxd4 13. Nxd4 Bd6 14. g3 Rc8 15. Bb3 b4 16. Ndb5 axb5 17. Nxb5 Qc6 18. Nxd6+ Kf8 19. Nxc8 Bxc8 20. Bf4 Qb5 21. Qd6+ Kg8 22. Rac1 Bb7 23. Rc7 h5 24. Bc4 Qa5 25. Rxb7 b3 26. Bd2 Qxa2 27. Bc3 1-0

[Event "Santa Catarina-ch sf1"]
[Site "Sao Bento do Sul"]
[Date "2016.03.06"]
[Round "5"]
[White "De Lima, Lucas Correa"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "1769"]
[PlyCount "31"]
[EventDate "2016.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Nbd7 8. 0-0 b5 9. a3 Bb7 10. f3 Be7 11. Qd2 0-0 12. Rad1 Re8 13. g4 Ne5 14. g5 Nfd7 15. f4 Nc4 16. Qc1 1-0

[Event "Santa Catarina-ch sf1"]
[Site "Sao Bento do Sul"]
[Date "2016.03.06"]
[Round "6"]
[White "Neitzel, Jonatan"]
[Black "Przygoda, Karin"]
[Result "1-0"]
[ECO "D02"]
[BlackElo "1643"]
[PlyCount "69"]
[EventDate "2016.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. Nf3 Bf5 4. e3 e6 5. Nbd2 Bd6 6. Bg3 0-0 7. c3 Nc6 8. Bh4 Be7 9. Bg3 Ne4 10. Nxe4 Bxe4 11. Bd3 Bxd3 12. Qxd3 h6 13. h4 Bd6 14. Bh2 a6 15. g4 Qf6 16. Ke2 Bxh2 17. Rxh2 Qg6 18. Qxg6 fxg6 19. Rg1 Rf7 20. Nd2 e5 21. dxe5 Nxe5 22. f4 Nd7 23. Nf3 Re8 24. Kd2 Rfe7 25. Re2 Nb6 26. Ne5 Re6 27. Rge1 g5 28. hxg5 hxg5 29. b3 gxf4 30. exf4 Nc8 31. Rh1 Nd6 32. Reh2 Ne4+ 33. Kd3 g5 34. Rh8+ Kg7 35. R1h7+ 1-0

[Event "Santa Catarina-ch sf1"]
[Site "Sao Bento do Sul"]
[Date "2016.03.05"]
[Round "4"]
[White "Neitzel, Jonatan"]
[Black "Wiltner, Matheus H Andrukiu"]
[Result "1-0"]
[ECO "A48"]
[BlackElo "1566"]
[PlyCount "69"]
[EventDate "2016.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Nbd2 d6 6. Bd3 Bg4 7. h3 Bc8 8. c3 Nbd7 9. Qe2 Re8 10. e4 Nh5 11. Bh2 e5 12. 0-0 h6 13. Rad1 Kh7 14. Bc4 Qe7 15. Rfe1 Qf8 16. Nf1 exd4 17. cxd4 Nb6 18. Bd3 Nd5 19. Qd2 Ne7 20. Qc2 Nc6 21. Bb5 f5 22. d5 fxe4 23. dxc6 exf3 24. cxb7 Bxb7 25. Rxe8 Rxe8 26. Bxe8 Qxe8 27. Qxc7 Ba8 28. g4 Nf6 29. Rxd6 h5 30. Rxf6 hxg4 31. Rf7 Qh8 32. hxg4 Kg8 33. Rd7 Qh4 34. Rxg7+ Kh8 35. Rxg6 1-0

[Event "Santa Catarina-ch sf1"]
[Site "Sao Bento do Sul"]
[Date "2016.03.05"]
[Round "3"]
[White "Rapouso, Ricardo Luis Borba"]
[Black "Neitzel, Jonatan"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "1942"]
[PlyCount "20"]
[EventDate "2016.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Bd6 6. Bd3 dxc4 7. Bxc4 Nbd7 8. 0-0 0-0 9. Ne2 b5 10. Bd3 Bb7 1-0

[Event "Santa Catarina-ch sf1"]
[Site "Sao Bento do Sul"]
[Date "2016.03.04"]
[Round "2"]
[White "Neitzel, Jonatan"]
[Black "Liebl, Livia"]
[Result "1-0"]
[ECO "A80"]
[BlackElo "1535"]
[PlyCount "65"]
[EventDate "2016.03.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 e6 3. Nf3 f5 4. e3 Nf6 5. Nbd2 Bd6 6. Ne5 Nbd7 7. Ndf3 0-0 8. c3 Ne4 9. Bd3 Nxe5 10. Nxe5 Bd7 11. h4 Be7 12. h5 Bg5 13. g3 c6 14. Qe2 Be8 15. Bxe4 Bxf4 16. Bxf5 Bxe5 17. Bxe6+ Bf7 18. Bxf7+ Rxf7 19. dxe5 Qg5 20. f4 Qxg3+ 21. Kd2 Rxf4 22. exf4 Qxf4+ 23. Qe3 Qxe3+ 24. Kxe3 Rf8 25. Raf1 a6 26. Rxf8+ Kxf8 27. Kd4 b6 28. h6 g6 29. Rf1+ Ke7 30. Rf6 g5 31. Rxc6 g4 32. Rc7+ Ke6 33. Rg7 1-0

