[Event "Florianopolis op 7th"]
[Site "Florianopolis"]
[Date "2021.01.20"]
[Round "4"]
[White "Presa, Luis Alberto Passos"]
[Black "Langwinski, Dennis Julian"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "1762"]
[PlyCount "116"]
[EventDate "2021.01.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 Nbd7 6. Be2 0-0 7. 0-0 e5 8. h3 exd4 9. Nxd4 Re8 10. f3 Nh5 11. Be3 Ng3 12. Re1 Nxe2+ 13. Qxe2 Nf6 14. Rad1 Nh5 15. Qf2 Be5 16. f4 Bf6 17. Qf3 Bh4 18. Bf2 Bf6 19. g4 Ng7 20. g5 Bxg5 21. fxg5 Qxg5+ 22. Qg2 Qh6 23. Kh2 Re5 24. Be3 Qh5 25. Nf3 Ra5 26. Rd5 Rxd5 27. Nxd5 Ne8 28. Ne7+ Kf8 29. Nxc8 Rxc8 30. Qg4 Qxg4 31. hxg4 Nf6 32. Kh3 Re8 33. Nd2 c5 34. Bf4 Re6 35. Kg3 d5 36. cxd5 Nxd5 37. Be3 Nxe3 38. Rxe3 f5 39. gxf5 gxf5 40. Rf3 Rg6+ 41. Kf2 Rd6 42. Rxf5+ Ke7 43. Ke3 b6 44. Nc4 Rf6 45. Rh5 h6 46. Ne5 Kd6 47. Ng4 Rg6 48. Rxh6 Rxh6 49. Nxh6 Ke5 50. Ng4+ Ke6 51. Kd3 b5 52. b3 a5 53. a4 c4+ 54. Kc3 cxb3 55. Kxb3 bxa4+ 56. Kxa4 Kd6 57. Kxa5 Kc5 58. e5 Kd5 1-0

[Event "Florianopolis op 7th"]
[Site "Florianopolis"]
[Date "2021.01.19"]
[Round "2"]
[White "De Haro, Martim Alfonso"]
[Black "Langwinski, Dennis Julian"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "1765"]
[PlyCount "98"]
[EventDate "2021.01.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. c4 Ngf6 6. Nc3 a6 7. Qe2 e6 8. d4 cxd4 9. Nxd4 Be7 10. 0-0 0-0 11. b3 Qa5 12. Bb2 Rac8 13. Rac1 Rc5 14. Nc2 Rh5 15. Ne3 Qg5 16. f4 Qg6 17. f5 Qg5 18. Rf3 Nc5 19. Rg3 Qh6 20. Ng4 Nxg4 21. Qxg4 Rh4 22. Qe2 Rxh2 23. Nd5 Rh1+ 24. Kf2 Bh4 25. Ne7+ Kh8 26. Rxh1 Bxg3+ 27. Kg1 Qf4 28. Qf3 Qxf3 29. gxf3 Re8 30. f6 Be5 31. fxg7+ Bxg7 32. Bxg7+ Kxg7 33. Nd5 exd5 34. cxd5 Re5 35. Kf2 Nd3+ 36. Ke3 Nb4 37. f4 Re7 38. Kd4 Nxa2 39. e5 dxe5+ 40. fxe5 Nb4 41. Rc1 Rd7 42. d6 Nc6+ 43. Kd5 Nb4+ 44. Kd4 h5 45. Ke4 Nc6 46. Kd5 Nb4+ 47. Ke4 Nc6 48. Kd5 Kh6 49. Rc4 Kg5 0-1

[Event "Florianopolis op 7th"]
[Site "Florianopolis"]
[Date "2021.01.19"]
[Round "3"]
[White "Langwinski, Dennis Julian"]
[Black "De Freitas, Isabella Ribeiro Co"]
[Result "0-1"]
[ECO "A22"]
[BlackElo "1893"]
[PlyCount "48"]
[EventDate "2021.01.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. e3 Be7 7. Nge2 0-0 8. d4 exd4 9. Nxd4 c5 10. Ndb5 a6 11. Qxd8 Rxd8 12. Nc7 Ra7 13. N7d5 Nxd5 14. Nxd5 b5 15. Nxe7+ Rxe7 16. Bd2 Bb7 17. f3 Nc6 18. Ke2 Nd4+ 19. Kf2 Nb3 20. Ba5 Nxa5 21. Rad1 Red7 22. Ke2 Rxd1 23. Rxd1 Rxd1 24. Kxd1 Nc4 0-1

[Event "Florianopolis op 7th"]
[Site "Florianopolis"]
[Date "2021.01.18"]
[Round "1"]
[White "Langwinski, Dennis Julian"]
[Black "Lazzarotti, Calebe Kadlubiski"]
[Result "1-0"]
[ECO "A15"]
[BlackElo "1454"]
[PlyCount "55"]
[EventDate "2021.01.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. e3 Be7 5. Ne2 0-0 6. cxd5 exd5 7. Nbc3 Be6 8. Nf4 c6 9. Nxe6 fxe6 10. 0-0 Nbd7 11. d4 e5 12. dxe5 Nxe5 13. Qd4 Ned7 14. b4 Bd6 15. f4 Qe7 16. Rb1 Bc7 17. Na4 Rfe8 18. Re1 Ne4 19. Bb2 Ndf6 20. Rbc1 a5 21. b5 cxb5 22. Nc3 Nxc3 23. Rxc3 Red8 24. Rec1 Rac8 25. Bh3 b4 26. R3c2 Nd7 27. Rxc7 Qe8 28. Qxg7# 1-0

