[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.18"]
[Round "9"]
[White "Sombrio, Otto de Henrique"]
[Black "De Souza, Samuel B Ornelas"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1341"]
[BlackElo "1639"]
[PlyCount "116"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 0-0 5. a3 Be7 6. e4 d6 7. Bd3 Nbd7 8. 0-0 e5 9. b3 a5 10. Bb2 Re8 11. Re1 Bf8 12. dxe5 dxe5 13. Nf1 c6 14. Bc2 Qc7 15. Ng3 Nc5 16. Qe2 Bg4 17. h3 Bxf3 18. Qxf3 Rad8 19. Rad1 Ne6 20. Ne2 Bc5 21. Qg3 Rxd1 22. Rxd1 Nf8 23. Nc1 Qe7 24. a4 Nh5 25. Qf3 Nf4 26. Nd3 Nxd3 27. Bxd3 Ng6 28. Bf1 Nf4 29. g3 Ne6 30. h4 f6 31. Kg2 Bd4 32. Bxd4 Nxd4 33. Qc3 b6 34. Rd2 Qa3 35. Rb2 c5 36. Kg1 Qa1 37. Kg2 Rd8 38. Bd3 Qd1 39. Bf1 Qa1 40. Bd3 Kf7 41. Bb1 Nc6 42. Qc1 Nb4 43. Qc3 Rd1 44. Bc2 Rc1 45. Qd2 Qxb2 46. Qd7+ Kg6 47. Qf5+ Kh6 48. g4 Rg1+ 49. Kxg1 Qc1+ 50. Kg2 g6 51. Qxf6 Qf4 52. Qxf4+ exf4 53. Bb1 Nc6 54. Kf3 g5 55. h5 Ne5+ 56. Kg2 Nxg4 57. Bc2 Ne5 58. Kh2 Kxh5 0-1

[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.17"]
[Round "8"]
[White "Melo, Sergio Roberto Samp"]
[Black "Sombrio, Otto de Henrique"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "1541"]
[BlackElo "1341"]
[PlyCount "65"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 d5 3. Bb2 e6 4. g3 c5 5. Bg2 b6 6. c4 Bb7 7. cxd5 Nxd5 8. 0-0 Nc6 9. Nc3 Nxc3 10. Bxc3 Qd7 11. d3 f6 12. d4 cxd4 13. Nxd4 Nxd4 14. Qxd4 Qxd4 15. Bxd4 Bxg2 16. Kxg2 0-0-0 17. Rfd1 Be7 18. Kf3 Rd5 19. e4 Rd7 20. Ke2 Kb7 21. Be3 Rhd8 22. Rxd7+ Rxd7 23. Rd1 Rxd1 24. Kxd1 Kc6 25. Kc2 a5 26. Kc3 b5 27. h3 f5 28. Kd3 h5 29. h4 a4 30. bxa4 bxa4 31. exf5 exf5 32. Kc4 g6 33. Bd4 1/2-1/2

[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.16"]
[Round "7"]
[White "Batista, Leonardo Antonio"]
[Black "Sombrio, Otto de Henrique"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1640"]
[BlackElo "1341"]
[PlyCount "104"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 e6 2. b3 d5 3. Bb2 dxe4 4. Nc3 Nf6 5. Qe2 Bd7 6. g4 h6 7. h4 Bc6 8. Bg2 Nbd7 9. Nxe4 Nxe4 10. Bxe4 Bxe4 11. Qxe4 c6 12. 0-0-0 Qa5 13. Kb1 Qd5 14. f3 Qxe4 15. fxe4 Nf6 16. Bxf6 gxf6 17. Nf3 Bd6 18. Rdf1 Kd7 19. g5 hxg5 20. hxg5 Rxh1 21. Rxh1 fxg5 22. Nxg5 f6 23. Nf3 Rg8 24. Rh6 Rg3 25. Nd4 Be5 26. Ne2 Rg2 27. d4 Rxe2 28. dxe5 fxe5 29. Rh7+ Kd6 30. Rxb7 Rxe4 31. Rxa7 Re1+ 32. Kb2 e4 33. Kc3 Rd1 34. Rh7 e3 35. Rh2 Ke5 36. a4 Kf4 37. a5 Kg3 38. Rh6 Rd6 39. Rg6+ Kf3 40. Rf6+ Ke4 41. Rf1 e2 42. Re1 Ke3 43. Kb4 Kf2 44. Rxe2+ Kxe2 45. Kc5 Rd5+ 46. Kxc6 Rxa5 47. b4 Rh5 48. c4 Kd3 49. c5 Kc4 50. Kd6 Kxb4 51. c6 Rc5 52. c7 e5 0-1

[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.16"]
[Round "6"]
[White "Sombrio, Otto de Henrique"]
[Black "Theilacker, Lucas de Mira"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1341"]
[BlackElo "1552"]
[PlyCount "48"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 dxe4 4. Bxe4 c5 5. Ne2 Nf6 6. Bf3 cxd4 7. Qxd4 Qxd4 8. Nxd4 a6 9. 0-0 Bc5 10. Nb3 Bb6 11. Na3 Bd7 12. Bxb7 Ra7 13. Bf3 0-0 14. Rd1 Bc6 15. Bxc6 Nxc6 16. Nc4 Bc7 17. Nc5 Nb4 18. c3 Nbd5 19. Ne3 Bb6 20. Nxd5 Nxd5 21. Nd3 Rc7 22. Nf4 Nxf4 23. Bxf4 Rc4 24. Bg3 h6 1-0

[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.15"]
[Round "5"]
[White "Rodriguez, Rene Quispe"]
[Black "Sombrio, Otto de Henrique"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "1537"]
[BlackElo "1341"]
[PlyCount "96"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 e6 6. Nge2 Nge7 7. d4 cxd4 8. exd4 0-0 9. Nb5 d5 10. Bf4 a6 11. Qa4 dxc4 12. Nd6 Nd5 13. Nxc8 Rxc8 14. Be3 Ndb4 15. 0-0 b5 16. Qd1 Nd3 17. Qd2 Nxd4 18. Nxd4 Bxd4 19. Bxd4 Qxd4 20. Bb7 Rb8 21. Bg2 Qxb2 22. Qa5 Nc5 23. Rfb1 Qe5 24. Re1 Qd6 25. Rad1 Qb6 26. Qc3 Rbd8 27. Rb1 Na4 28. Qc2 Rd4 29. Qxa4 Rd2 30. Rf1 c3 31. Qb4 Rc8 32. Rbc1 Rb2 33. Qe4 Rxa2 34. Rc2 Ra4 35. Qe5 b4 36. Rb1 Ra5 37. Qe3 Qxe3 38. fxe3 Rb5 39. Bf1 Rb6 40. Kf2 b3 41. Rcc1 c2 42. Rb2 a5 43. Bd3 Rb4 44. Ke2 a4 45. Bxc2 a3 46. Rxb3 Rxb3 47. Bxb3 Rxc1 48. Kd3 Rb1 0-1

[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.14"]
[Round "4"]
[White "Sombrio, Otto de Henrique"]
[Black "Bon, Davi Silva"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "1341"]
[BlackElo "1800"]
[PlyCount "102"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d6 5. e4 0-0 6. h3 e5 7. d5 Nbd7 8. Be3 a5 9. g4 h5 10. Nd2 h4 11. Bg5 c5 12. Bxh4 Qb6 13. Qc2 Nb8 14. Be2 Na6 15. a3 Nc7 16. f3 Bd7 17. Bf2 Bh6 18. h4 Bf4 19. Nf1 Kg7 20. Be3 Bxe3 21. Nxe3 Rh8 22. 0-0-0 Rh7 23. Qd2 Rah8 24. Qe1 Qa7 25. Qg3 b5 26. cxb5 c4 27. Qf2 Qb7 28. a4 Na8 29. Nxc4 Qb8 30. Nxa5 Rc8 31. Kb1 Qc7 32. Nc6 Bxc6 33. dxc6 Nb6 34. Rd2 Ra8 35. Bd1 Nc4 36. Rd3 Rhh8 37. Bb3 Na5 38. Bc2 Nc4 39. Rhd1 Rhd8 40. Nd5 Nxd5 41. Rxd5 Qa5 42. b3 Qb4 43. Qe1 Na3+ 44. Kb2 Nc4+ 45. Kb1 Na3+ 46. Kc1 Nxc2 47. Kxc2 Qa3 48. Ra1 Rxa4 49. Rxa3 Rxa3 50. c7 Rc8 51. b6 Ra2+ 1-0

[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.13"]
[Round "3"]
[White "Heerdt, Ivanio Jr"]
[Black "Sombrio, Otto de Henrique"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1800"]
[BlackElo "1341"]
[PlyCount "48"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 c6 7. cxd5 exd5 8. Bd3 Nh5 9. Bxe7 Qxe7 10. 0-0 0-0 11. Ne5 Nxe5 12. dxe5 Qxe5 13. Re1 g6 14. Qc2 Nf6 15. Rab1 h5 16. Ne2 Qg5 17. Nf4 Ng4 18. Nh3 Qf6 19. f4 Re8 20. Qd2 Bf5 21. Ng5 Nxe3 22. Rxe3 Qd4 23. Rbe1 Bxd3 24. Kf2 Qxf4+ 0-1

[Event "Criciuma op-B"]
[Site "Criciuma"]
[Date "2024.01.12"]
[Round "1"]
[White "Sombrio, Otto de Henrique"]
[Black "Carlesso, Kaua Murilo"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "1341"]
[BlackElo "1737"]
[PlyCount "93"]
[EventDate "2024.01.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB04_2024"]
[SourceDate "2023.10.16"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 0-0 5. e4 d6 6. h3 Nbd7 7. Be3 b6 8. g4 Bb7 9. Nd2 e5 10. d5 a5 11. Be2 Ba6 12. h4 Ne8 13. h5 Nc5 14. Qc2 Qf6 15. Nf3 Qd8 16. 0-0-0 Nf6 17. hxg6 fxg6 18. Ng5 h6 19. Bxc5 hxg5 20. Be3 Nh7 21. Rh2 Nf6 22. Bxg5 Qd7 23. Rg1 c6 24. Bh6 Bxh6+ 25. Rxh6 Kg7 26. g5 Nh7 27. Bg4 Qf7 28. f3 Nxg5 29. Rgh1 Qf4+ 30. Kb1 Nxf3 31. Rh7+ Kf6 32. Bxf3 Qxf3 33. Qc1 Bxc4 34. dxc6 Qf4 35. Nd5+ Bxd5 36. Rf1 Bxe4+ 37. Ka1 g5 38. Rxf4+ gxf4 39. Rh2 Rh8 40. Qd2 Bxc6 41. Qxd6+ Kf5 42. Rxh8 Rxh8 43. b3 Rh1+ 44. Kb2 Be4 45. Qf8+ Kg4 46. Qg7+ Kf5 47. Qf7+ 1/2-1/2

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.29"]
[Round "10"]
[White "Setti, Dalmarino"]
[Black "Sombrio, Otto de Henrique"]
[Result "1/2-1/2"]
[ECO "E09"]
[WhiteElo "1696"]
[BlackElo "1239"]
[PlyCount "48"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 Nbd7 7. Qc2 c6 8. Nbd2 b6 9. e4 dxe4 10. Nxe4 Nxe4 11. Qxe4 Bb7 12. Be3 Qc7 13. Rfd1 c5 14. d5 Nf6 15. Bf4 Nxe4 16. Bxc7 exd5 17. cxd5 Rac8 18. Bf4 Bd6 19. Bxd6 Nxd6 20. Ne5 Rfe8 21. Nc6 a6 22. Bh3 Rc7 23. Bg2 Rcc8 24. Bh3 Rc7 1/2-1/2

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.28"]
[Round "8"]
[White "Carmo, Jose Arlindo"]
[Black "Sombrio, Otto de Henrique"]
[Result "1/2-1/2"]
[ECO "B58"]
[WhiteElo "1562"]
[BlackElo "1239"]
[PlyCount "59"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e5 7. Ndb5 a6 8. Na3 b5 9. Nd5 Be7 10. Be3 0-0 11. Nb6 Rb8 12. Nxc8 Rxc8 13. f3 Qc7 14. c3 Rfd8 15. c4 b4 16. Nc2 a5 17. 0-0 Nd7 18. b3 Nc5 19. Qd2 Bf6 20. Rad1 Qe7 21. Rf2 Ne6 22. g4 Bg5 23. Bxg5 Qxg5 24. Qxg5 Nxg5 25. Kg2 Ne6 26. Kg3 Ncd4 27. Rd2 Ra8 28. Bd1 Rd7 29. h4 Nc6 30. g5 1/2-1/2

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.27"]
[Round "7"]
[White "Sombrio, Otto de Henrique"]
[Black "Pinto, Pedro Daminelli Lag"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1239"]
[BlackElo "1800"]
[PlyCount "79"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 a6 4. cxd5 exd5 5. Nc3 Nf6 6. Bg5 c6 7. e3 h6 8. Bh4 Be7 9. Bd3 0-0 10. 0-0 Nbd7 11. Qc2 c5 12. Rfd1 c4 13. Bf1 b5 14. Bxf6 Bxf6 15. Nxd5 Bb7 16. Nxf6+ Qxf6 17. Be2 Rad8 18. Rd2 Nb6 19. Rad1 Rfe8 20. Ne1 Re6 21. Bf3 Bd5 22. e4 Rde8 23. e5 Qf4 24. g3 Qg5 25. h4 Qe7 26. Bxd5 Nxd5 27. f4 Rg6 28. Kf2 Nxf4 29. Qe4 Nh5 30. Qf3 Rxg3 31. Qxg3 Nxg3 32. Kxg3 f6 33. exf6 Qe3+ 34. Nf3 gxf6 35. Re1 Qxd2 36. Rxe8+ Kf7 37. Nxd2 Kxe8 38. Kf4 Kf7 39. Kf5 Kg7 40. h5 1-0

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.26"]
[Round "6"]
[White "Orlandi Neto, Aristides"]
[Black "Sombrio, Otto de Henrique"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1684"]
[BlackElo "1239"]
[PlyCount "45"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. g3 Nf6 4. d3 Nc6 5. Bg2 e6 6. 0-0 Be7 7. Re1 0-0 8. c3 d5 9. e5 Nd7 10. h4 b6 11. Bf4 Bb7 12. Nbd2 Rc8 13. Nf1 c4 14. d4 b5 15. Ne3 a5 16. Ng5 h6 17. Qh5 hxg5 18. hxg5 Re8 19. Bf3 Nf8 20. Kg2 Bc5 21. Rh1 Ng6 22. dxc5 Nce7 23. Ng4 1-0

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.26"]
[Round "5"]
[White "Sombrio, Otto de Henrique"]
[Black "Presa, Luis Alberto Passos"]
[Result "1/2-1/2"]
[ECO "B99"]
[WhiteElo "1239"]
[BlackElo "1733"]
[PlyCount "73"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Nbd7 9. 0-0-0 Qc7 10. g4 Rb8 11. Bxf6 Bxf6 12. g5 Be7 13. f5 Bxg5+ 14. Kb1 Ne5 15. Qh5 Bf6 16. fxe6 g6 17. exf7+ Qxf7 18. Qe2 Bg4 19. Qd2 Bxd1 20. Qxd1 0-0 21. Be2 Rbc8 22. h4 Nc6 23. Nxc6 Rxc6 24. Nd5 Qg7 25. c3 Be5 26. h5 Rf7 27. Bg4 Kf8 28. Qe2 Rf4 29. Nxf4 Bxf4 30. hxg6 hxg6 31. Qf3 Qe5 32. Rh7 Rc4 33. Rxb7 Rxe4 34. Kc2 Qd5 35. Rb8+ Ke7 36. Qh3 Qd2+ 37. Kb3 1/2-1/2

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.25"]
[Round "4"]
[White "Elesbao, Bernardo Dartora"]
[Black "Sombrio, Otto de Henrique"]
[Result "1-0"]
[ECO "B55"]
[WhiteElo "1604"]
[BlackElo "1239"]
[PlyCount "55"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 Nc6 7. Be3 Be7 8. c4 0-0 9. Nc3 a6 10. Be2 Be6 11. 0-0 Rc8 12. Nd2 Nd7 13. a3 f5 14. f4 Nb6 15. exf5 Bxf5 16. Nd5 Nxd5 17. cxd5 Nb8 18. fxe5 dxe5 19. Nc4 Bd6 20. b4 Bg6 21. Qb3 Kh8 22. Bg4 Rxc4 23. Rxf8+ Qxf8 24. Qxc4 h6 25. Rf1 Qd8 26. h4 e4 27. Bc5 Bxc5+ 28. Qxc5 1-0

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.24"]
[Round "2"]
[White "Goetten Wagner, Julia"]
[Black "Sombrio, Otto de Henrique"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1631"]
[BlackElo "1239"]
[PlyCount "87"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f3 e5 7. Ndb5 a6 8. Na3 b5 9. Nd5 Nxd5 10. exd5 Ne7 11. c4 b4 12. Qa4+ Bd7 13. Qxb4 Nf5 14. Qd2 g6 15. Bd3 Bh6 16. Qf2 Bxc1 17. Rxc1 0-0 18. 0-0 Ne7 19. Nb1 f5 20. Qh4 f4 21. Nc3 Qb6+ 22. Qf2 Qc7 23. Ne4 Nf5 24. c5 Rfc8 25. Nf6+ Kg7 26. Nxd7 Qxd7 27. c6 Qf7 28. Bxf5 Qxf5 29. Qb6 Qf7 30. Qb7 Qc7 31. Qxc7+ Rxc7 32. b4 Kf8 33. g3 Rb8 34. Rb1 Rb5 35. Rfd1 Ke8 36. a4 Rb8 37. gxf4 exf4 38. Re1+ Re7 39. Rxe7+ Kxe7 40. Re1+ Kf7 41. Re6 Rxb4 42. Rxd6 Rc4 43. Rd7+ Ke8 44. Rxh7 1-0

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.23"]
[Round "1"]
[White "Sombrio, Otto de Henrique"]
[Black "Freitas, Ronan Cunha"]
[Result "0-1"]
[ECO "E92"]
[WhiteElo "1239"]
[BlackElo "1898"]
[PlyCount "34"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. Be3 exd4 8. Nxd4 Re8 9. f3 c6 10. Qd2 d5 11. cxd5 cxd5 12. exd5 Nxd5 13. Nxd5 Qxd5 14. Nb5 Qe5 15. Bf4 Qxb5 16. Rb1 Bf5 17. Rc1 Bd3 0-1

[Event "Criciuma op"]
[Site "Criciuma"]
[Date "2023.01.19"]
[Round "9"]
[White "Maxit, Alfredo Javier"]
[Black "Sombrio, Otto de Henrique"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1472"]
[BlackElo "1239"]
[PlyCount "68"]
[EventDate "2023.01.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 e6 4. Bxc6 dxc6 5. d3 Nf6 6. Bg5 Be7 7. f3 Nxe4 8. Bxe7 Nxc3 9. Bxd8 Nxd1 10. Bf6 gxf6 11. Rxd1 e5 12. Kf2 Be6 13. Ne2 0-0-0 14. Rhe1 c4 15. d4 exd4 16. Nxd4 Rhe8 17. Nxe6 fxe6 18. Ke3 Kc7 19. g4 b5 20. Ke2 a5 21. a3 c5 22. Rxd8 Rxd8 23. Rd1 Rxd1 24. Kxd1 e5 25. Ke2 Kd6 26. Ke3 Kd5 27. a4 c3 28. b3 bxa4 29. bxa4 Kc4 30. Ke2 Kb4 31. Kd1 Kxa4 32. Kc1 Kb4 33. Kb1 Kc4 34. h4 Kd4 0-1

[Event "Criciuma op"]
[Site "Criciuma"]
[Date "2023.01.18"]
[Round "8"]
[White "Sombrio, Otto de Henrique"]
[Black "De Matos, Alexandre"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1239"]
[BlackElo "1871"]
[PlyCount "52"]
[EventDate "2023.01.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. g3 Nf6 5. Bg2 Bb4+ 6. Bd2 Be7 7. 0-0 0-0 8. Qc2 a5 9. Nc3 Na6 10. a3 dxc4 11. e3 Nd7 12. Ne5 Nxe5 13. dxe5 Qc7 14. f4 Nc5 15. Ne4 Nb3 16. Rad1 b5 17. Bc1 Ba6 18. Nd6 Rad8 19. Ne4 Rxd1 20. Rxd1 Rd8 21. Nd2 a4 22. Nxb3 axb3 23. Qe2 Rxd1+ 24. Qxd1 b4 25. Bf1 bxa3 26. bxa3 Qa5 0-1

[Event "Criciuma op"]
[Site "Criciuma"]
[Date "2023.01.17"]
[Round "7"]
[White "Figueiredo, Bryan da Silva"]
[Black "Sombrio, Otto de Henrique"]
[Result "0-1"]
[ECO "D80"]
[BlackElo "1239"]
[PlyCount "64"]
[EventDate "2023.01.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. b3 dxc4 5. bxc4 c5 6. e3 Bg7 7. Be2 0-0 8. Nf3 Bf5 9. Ba3 Qa5 10. Bb2 Ne4 11. Rc1 Nxc3 12. Bxc3 Qxa2 13. Ra1 Qc2 14. Qxc2 Bxc2 15. 0-0 Nc6 16. Ra2 Bf5 17. Ne5 Nxe5 18. dxe5 a6 19. Bf3 Rab8 20. e4 Be6 21. Ra5 Bxc4 22. Rd1 b6 23. Ra4 Bb3 24. Rda1 Bxa4 25. Rxa4 b5 26. Rxa6 b4 27. Bb2 c4 28. g4 c3 29. Bxc3 bxc3 30. Ra3 c2 31. Rc3 Rb1+ 32. Kg2 c1Q 0-1

[Event "Criciuma op"]
[Site "Criciuma"]
[Date "2023.01.17"]
[Round "6"]
[White "Sombrio, Otto de Henrique"]
[Black "De Oliveira, Jorge Augusto de Fr"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "1239"]
[PlyCount "89"]
[EventDate "2023.01.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nf3 Nf6 4. g3 b6 5. Bg2 Bb7 6. Qc2 Nbd7 7. 0-0 g6 8. Na3 a6 9. Bf4 Bg7 10. cxd5 Nxd5 11. Bg5 N7f6 12. e4 Ne7 13. e5 Nfd5 14. Rfd1 Qd7 15. Bxe7 Qxe7 16. Nc4 0-0 17. Ne3 Rfd8 18. a3 a5 19. Rac1 Rac8 20. Qb3 Ba8 21. Rc2 h5 22. h4 Bh6 23. Nc4 Bb7 24. Nxa5 bxa5 25. Qxb7 Rb8 26. Qc6 Rb6 27. Qc4 Rdb8 28. Rb1 Qd7 29. Nd2 Bf8 30. Bxd5 Qxd5 31. Qxd5 exd5 32. a4 Rb4 33. Nf1 Rxd4 34. Rxc7 Rxa4 35. Rd7 d4 36. Rd1 Rxb2 37. R1xd4 Rxd4 38. Rxd4 Re2 39. Ne3 Ra2 40. Nd1 Ra1 41. Kg2 a4 42. Nc3 a3 43. Ra4 Rc1 44. Nb5 Rc2 45. Nd6 1/2-1/2

[Event "Criciuma op"]
[Site "Criciuma"]
[Date "2023.01.16"]
[Round "5"]
[White "Cardoso, Lucas Emanuel Alves"]
[Black "Sombrio, Otto de Henrique"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "1550"]
[BlackElo "1239"]
[PlyCount "103"]
[EventDate "2023.01.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. f3 e5 7. Nb3 Be7 8. Be3 0-0 9. Qd2 a5 10. a4 Nb4 11. 0-0-0 Be6 12. Kb1 Bxb3 13. cxb3 Rc8 14. g4 Nd7 15. g5 Nc5 16. Bxc5 dxc5 17. Qg2 Qb6 18. Bc4 Rcd8 19. Rd5 Nxd5 20. Nxd5 Rxd5 21. Bxd5 g6 22. h4 Rd8 23. Qc2 Qb4 24. h5 Bf8 25. hxg6 hxg6 26. Qh2 Bg7 27. Qc2 b5 28. axb5 Qxb5 29. Qc4 Qxc4 30. bxc4 Rb8 31. Kc2 Kf8 32. Ra1 f6 33. gxf6 Bxf6 34. Rxa5 Be7 35. Ra6 Kg7 36. Re6 Bf6 37. Rc6 Be7 38. Rc7 Kf6 39. Rc6+ Kg7 40. Rc7 Kf6 41. f4 Re8 42. Rc6+ Kg7 43. fxe5 Rh8 44. Rc7 Kf8 45. Rc8+ Kg7 46. Rc7 Kf8 47. Rc6 Rh2+ 48. Kd3 g5 49. Rg6 Rh3+ 50. Ke2 Bd8 51. Rg8+ Ke7 52. Rxg5 1-0

[Event "Criciuma op"]
[Site "Criciuma"]
[Date "2023.01.15"]
[Round "3"]
[White "Dos Santos, Nicoly Guilherme"]
[Black "Sombrio, Otto de Henrique"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1729"]
[BlackElo "1239"]
[PlyCount "63"]
[EventDate "2023.01.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. Nc3 e6 5. 0-0 Nc6 6. a3 Be7 7. d3 0-0 8. Be3 d5 9. e5 d4 10. exf6 Bxf6 11. Bxd4 cxd4 12. Ne2 b6 13. Ng3 Bb7 14. Qd2 Na5 15. Qf4 Nxc4 16. dxc4 Bxf3 17. Qxf3 Qc7 18. b3 d3 19. Ra2 dxc2 20. Rxc2 Rad8 21. b4 Rd7 22. c5 Rfd8 23. Ne4 Be7 24. Rc3 f5 25. cxb6 Qxb6 26. Ng3 Rd4 27. Rc6 Qb7 28. Rxe6 Qxf3 29. gxf3 Kf7 30. Ra6 R8d7 31. Nxf5 Rd3 32. Re1 1-0

[Event "Criciuma op"]
[Site "Criciuma"]
[Date "2023.01.15"]
[Round "4"]
[White "Sombrio, Otto de Henrique"]
[Black "Donato, Alice Fagundes"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1239"]
[BlackElo "1797"]
[PlyCount "81"]
[EventDate "2023.01.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 d6 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bc4 f6 7. Be3 Bd6 8. Nc3 Bg4 9. h3 Bxf3 10. gxf3 a6 11. a4 g6 12. Nd5 f5 13. Bg5+ Kd7 14. c3 h6 15. Be3 f4 16. Bd2 Na5 17. Ba2 b6 18. b4 Nb7 19. Rg1 g5 20. c4 Ne7 21. Ke2 Nxd5 22. cxd5 Rhc8 23. h4 Be7 24. hxg5 hxg5 25. Rh1 Rh8 26. Rac1 a5 27. Rxh8 Rxh8 28. bxa5 bxa5 29. Bc4 Bb4 30. Bb5+ Kc8 31. Bxb4 axb4 32. Rb1 Rh6 33. Rxb4 Na5 34. Bd3 c5 35. Rb5 c4 36. Rxa5 cxd3+ 37. Kxd3 Rb6 38. Rb5 Rh6 39. a5 Kd7 40. Rb7+ Ke8 41. Kc4 1-0

[Event "Criciuma op"]
[Site "Criciuma"]
[Date "2023.01.14"]
[Round "2"]
[White "Sombrio, Otto de Henrique"]
[Black "Motta, Pedro Jose Colombo"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "1239"]
[PlyCount "62"]
[EventDate "2023.01.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 c5 7. d5 e5 8. Be3 Bg4 9. Qd2 Qa5 10. Nb5 Qxd2+ 11. Nxd2 Na6 12. Nxd6 Nb4 13. f3 Nc2+ 14. Kf2 Nxa1 15. Rxa1 Bc8 16. Bxc5 Bd7 17. Ba3 Rab8 18. c5 Rfd8 19. Rc1 Bh6 20. Ke1 Ne8 21. c6 bxc6 22. dxc6 Bxc6 23. Rxc6 Nxd6 24. Rxd6 Rxd6 25. Bxd6 Bxd2+ 26. Kxd2 Rxb2+ 27. Ke1 Rxa2 28. Bxe5 Ra5 29. Bd4 Ra4 30. Be3 Ra3 31. Kf2 a5 1/2-1/2

[Event "Criciuma op"]
[Site "Criciuma"]
[Date "2023.01.13"]
[Round "1"]
[White "Volkmann, Andre Jordi"]
[Black "Sombrio, Otto de Henrique"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2129"]
[BlackElo "1239"]
[PlyCount "65"]
[EventDate "2023.01.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. b4 Nf6 2. Bb2 e6 3. a3 d5 4. e3 Be7 5. Nf3 0-0 6. c4 b6 7. Qc2 Bb7 8. d4 Nbd7 9. c5 Nb8 10. b5 bxc5 11. dxc5 Ne4 12. c6 Bc8 13. Nbd2 Nd6 14. Bd3 h6 15. Ne5 a6 16. b6 Bf6 17. b7 Bxb7 18. cxb7 Nxb7 19. 0-0 c5 20. Rab1 c4 21. Be2 Nd7 22. Nxd7 Qxd7 23. Bxf6 gxf6 24. Qb2 Nd6 25. Qxf6 Rfc8 26. Qxh6 c3 27. Rb4 f5 28. Rh4 cxd2 29. Qh8+ Kf7 30. Rh7+ Kg6 31. Bh5+ Kg5 32. f4+ Kh4 33. Bf7+ 1-0

[Event "Florianopolis Spring op 2nd"]
[Site "Florianopolis"]
[Date "2022.10.23"]
[Round "6"]
[White "Sombrio, Otto de Henrique"]
[Black "Ferro, Miguel Batalha"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "1719"]
[BlackElo "1111"]
[PlyCount "176"]
[EventDate "2022.10.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nbd2 b6 5. g3 Bb7 6. Bg2 Be7 7. 0-0 0-0 8. Ne5 Nbd7 9. Ndf3 c5 10. Be3 Rc8 11. Rc1 Ne4 12. Nxd7 Qxd7 13. Ne5 Qd8 14. dxc5 bxc5 15. Qc2 Nf6 16. Rfd1 Qc7 17. Bf4 Bd6 18. Nd3 Bxf4 19. Nxf4 d4 20. a3 Bxg2 21. Kxg2 Rb8 22. Nd3 a5 23. Qa4 Rfe8 24. Kg1 e5 25. Rb1 e4 26. Nf4 Qb6 27. Rd2 e3 28. fxe3 Rxe3 29. Rd3 Re7 30. Rd2 Ra7 31. Qc2 Qb3 32. Qxb3 Rxb3 33. Rd3 Rb8 34. e3 dxe3 35. Rxe3 h6 36. Re5 Rc7 37. Nd3 Nd7 38. Re7 Kf8 39. Re4 Nf6 40. Re5 Nd7 41. Rd5 Rb3 42. Rd1 Rb8 43. Rd6 Ra7 44. Rc6 a4 45. Rd2 Ra5 46. Kf2 Ke7 47. Ke3 Rba8 48. Kf4 R5a6 49. Rxa6 Rxa6 50. Re2+ Kf6 51. Kg4 Rd6 52. Rd2 Ne5+ 53. Kf4 Rxd3 54. Re2 Ng6+ 55. Ke4 Rd4+ 56. Ke3 Rxc4 57. Rf2+ Ke7 58. Kd3 Rd4+ 59. Kc3 f6 60. b4 Ne5 61. Re2 Kf7 62. bxc5 Rc4+ 63. Kb2 Rxc5 64. Re4 Nd3+ 65. Kb1 Ra5 66. Kc2 Ne5 67. Kc3 Ke6 68. Kb4 Ra8 69. Kb5 Kd5 70. Rf4 Nd3 71. Rf3 Ke4 72. Rf1 f5 73. Kc4 Rc8+ 74. Kb5 Ra8 75. Kc4 Ne5+ 76. Kc5 Ng6 77. Re1+ Kd3 78. Kb4 Kd4 79. Rd1+ Ke3 80. Rd6 Nf8 81. Rc6 Kf2 82. Rc2+ Kf3 83. Rc3+ Kg4 84. Rc7 g5 85. Rc4+ Kh3 86. Rc2 Nd7 87. Rd2 Ne5 88. Rf2 Nd3+ 0-1

[Event "Florianopolis Spring op 2nd"]
[Site "Florianopolis"]
[Date "2022.10.23"]
[Round "5"]
[White "Vianna, Tulio Lima"]
[Black "Sombrio, Otto de Henrique"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "1451"]
[BlackElo "1719"]
[PlyCount "41"]
[EventDate "2022.10.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 e6 6. e3 Bd6 7. Ne5 Nbd7 8. f4 0-0 9. Bd3 b6 10. Bd2 Bb7 11. Rc1 Ne4 12. 0-0 Ndf6 13. Nb5 Bb8 14. Bb4 Nd6 15. Qc2 Ba6 16. Nc6 Qe8 17. Nxd6 Bxd3 18. Nxe8 Bxc2 19. Nxf6+ gxf6 20. Nxb8 Rfxb8 21. Rxc2 1-0

[Event "Florianopolis Spring op 2nd"]
[Site "Florianopolis"]
[Date "2022.10.22"]
[Round "3"]
[White "Da Luz, Fabio Rodolfo"]
[Black "Sombrio, Otto de Henrique"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "1371"]
[BlackElo "1719"]
[PlyCount "79"]
[EventDate "2022.10.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 e6 5. Nf3 dxc4 6. Bxc4 b5 7. Bf1 Bb7 8. g3 a6 9. Bg2 c5 10. 0-0 cxd4 11. exd4 Be7 12. a3 0-0 13. b4 Nbd7 14. Bb2 Nb6 15. Qe2 Nc4 16. Bc1 Qb6 17. Rd1 Rfd8 18. Be3 Nxe3 19. fxe3 Rac8 20. Rac1 Rc7 21. Ne5 Rdc8 22. Bxb7 Qxb7 23. Na2 Qe4 24. h3 Nd5 25. Rxc7 Rxc7 26. Ng4 Qc2 27. Rd2 Qb1+ 28. Kf2 Bg5 29. h4 Qf5+ 30. Kg2 Be7 31. e4 Qg6 32. exd5 exd5 33. Kh2 Bf8 34. Ne5 Qd6 35. Rc2 f6 36. Rxc7 Qxc7 37. Nd3 Kf7 38. Nc5 Bd6 39. Qe6+ Kf8 40. Nd7+ 1-0

[Event "Florianopolis Spring op 2nd"]
[Site "Florianopolis"]
[Date "2022.10.22"]
[Round "4"]
[White "Sombrio, Otto de Henrique"]
[Black "Cardoso, Catharina Alves"]
[Result "1-0"]
[ECO "E09"]
[WhiteElo "1719"]
[BlackElo "1215"]
[PlyCount "39"]
[EventDate "2022.10.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c6 4. Nbd2 Nf6 5. g3 Be7 6. Bg2 Nbd7 7. 0-0 b6 8. Qc2 0-0 9. e4 c5 10. cxd5 exd5 11. Re1 dxe4 12. Nxe4 Nxe4 13. Qxe4 Re8 14. Qxa8 Bd6 15. Bg5 f6 16. Qd5+ Kh8 17. Qxd6 fxg5 18. Nxg5 Kg8 19. Qd5+ Kf8 20. Qf7# 1-0

[Event "Florianopolis Spring op 2nd"]
[Site "Florianopolis"]
[Date "2022.10.22"]
[Round "2"]
[White "Sombrio, Otto de Henrique"]
[Black "Mariani, Kim Paul"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "1719"]
[BlackElo "1384"]
[PlyCount "82"]
[EventDate "2022.10.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 c5 4. Nbd2 Nc6 5. g3 cxd4 6. cxd5 Qxd5 7. Nb3 e5 8. e3 Bb4+ 9. Bd2 d3 10. Bg2 e4 11. Nfd4 Bxd2+ 12. Qxd2 f5 13. Qxd3 Nf6 14. Qd2 0-0 15. 0-0 Ne5 16. Rac1 b6 17. Rc7 Ne8 18. Re7 Ba6 19. Rc1 Nd6 20. Rec7 Ndc4 21. Qb4 Nd3 22. Qe7 Rf7 23. Qxf7+ Qxf7 24. Rxf7 Kxf7 25. Rc3 g6 26. Rxd3 exd3 27. Bxa8 Nxb2 28. Bd5+ Ke7 29. Nd2 Kd6 30. Bg8 Kc5 31. f4 Kb4 32. Kf2 Nd1+ 33. Ke1 Nxe3 34. Bxh7 Kc3 35. N4b3 Kb2 36. Bxg6 Bb5 37. h4 a5 38. h5 a4 39. h6 Nc2+ 40. Kd1 Ne3+ 41. Ke1 Nc2+ 1/2-1/2

[Event "Florianopolis Spring op 2nd"]
[Site "Florianopolis"]
[Date "2022.10.21"]
[Round "1"]
[White "Hirano, Enzo Erich Kreutz"]
[Black "Sombrio, Otto de Henrique"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "1667"]
[BlackElo "1719"]
[PlyCount "53"]
[EventDate "2022.10.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 d6 5. c3 Be7 6. 0-0 0-0 7. h3 h6 8. Re1 Re8 9. d4 Bf8 10. Bxc6 bxc6 11. dxe5 dxe5 12. Qxd8 Rxd8 13. Nxe5 Re8 14. Nxc6 Bb7 15. Na5 Bxe4 16. Bf4 Nd5 17. Bg3 Rab8 18. Nd2 Bg6 19. Nab3 Bd6 20. Bxd6 cxd6 21. Nc4 Rbd8 22. Rxe8+ Rxe8 23. Rd1 Nb6 24. Nxb6 axb6 25. Rxd6 Re1+ 26. Kh2 Re2 27. Rd2 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.30"]
[Round "10"]
[White "Sombrio, Otto de Henrique"]
[Black "Cardoso, Catharina Alves"]
[Result "0-1"]
[ECO "D55"]
[PlyCount "94"]
[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 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. cxd5 exd5 6. e3 Ne4 7. Bxe7 Qxe7 8. Bd3 Nxc3 9. bxc3 0-0 10. Nf3 c5 11. Qb1 h6 12. 0-0 Bg4 13. Ne5 Be6 14. Re1 b6 15. e4 Qd6 16. exd5 Bxd5 17. Be4 Bxe4 18. Qxe4 Nd7 19. Nxd7 Qxd7 20. Rad1 Rfe8 21. Qd3 Re7 22. Rxe7 Qxe7 23. d5 Qd6 24. g3 Re8 25. Kg2 Qc7 26. Rd2 c4 27. Qd4 Qc5 28. d6 Qc6+ 29. Qd5 Qxd5+ 30. Rxd5 Rd8 31. Kf3 f6 32. Ke4 Kf7 33. Kf5 g6+ 34. Ke4 Ke6 35. Kd4 Rxd6 36. Rxd6+ Kxd6 37. Kxc4 h5 38. h4 g5 39. hxg5 fxg5 40. Kd3 Ke5 41. f3 h4 42. gxh4 gxh4 43. Ke3 Kf5 44. Kf2 a5 45. a4 Kf4 46. Kg2 h3+ 47. Kxh3 Kxf3 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.29"]
[Round "9"]
[White "Goncalves, Djenifer"]
[Black "Sombrio, Otto de Henrique"]
[Result "0-1"]
[ECO "B30"]
[PlyCount "52"]
[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 c5 2. Nf3 Nc6 3. Nc3 g6 4. Bc4 Bg7 5. d3 e6 6. Be3 b6 7. Qd2 Nge7 8. Bg5 h6 9. Be3 d5 10. Bb5 d4 11. Ne2 dxe3 12. Qxe3 0-0 13. 0-0 Bxb2 14. Rab1 Bg7 15. Rbd1 Bb7 16. Bc4 Nb4 17. Rc1 Nxa2 18. Bxa2 Qc7 19. e5 Nc6 20. c3 Ne7 21. d4 Nf5 22. Qd3 Rfd8 23. Rcd1 Qc6 24. Nf4 g5 25. Nh5 g4 26. Nd2 Qxg2# 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.29"]
[Round "8"]
[White "Sombrio, Otto de Henrique"]
[Black "Frassetto, Eduarda"]
[Result "0-1"]
[ECO "D10"]
[PlyCount "40"]
[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 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Bg5 e6 6. g3 Be7 7. Bg2 0-0 8. Qd3 Nc6 9. a3 h6 10. Bf4 Qb6 11. Qd2 Qxd4 12. 0-0-0 Qxf2 13. b3 Qc5 14. Bxh6 gxh6 15. Qxh6 Nh7 16. b4 d4 17. Bxc6 Qxc6 18. Rxd4 e5 19. Rg4+ Bxg4 20. h3 Qxh6+ 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.27"]
[Round "5"]
[White "Monauer, Caique"]
[Black "Sombrio, Otto de Henrique"]
[Result "1-0"]
[ECO "A24"]
[WhiteElo "1537"]
[PlyCount "51"]
[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. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e4 d6 6. Nge2 e5 7. 0-0 Be6 8. d3 Qd7 9. f4 Bh3 10. f5 Bxg2 11. Kxg2 c5 12. Bg5 Qd8 13. Bxf6 Bxf6 14. Nd5 Bg5 15. h4 Bh6 16. f6 Re8 17. g4 Nc6 18. g5 Bf8 19. h5 Rc8 20. Ng3 Nd4 21. Qg4 Qa5 22. Rf2 Ne6 23. Rh1 Ng7 24. Qh3 Nxh5 25. Nxh5 Bh6 26. Ng7 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.25"]
[Round "3"]
[White "Sombrio, Otto de Henrique"]
[Black "Da Luz, Fabio Rodolfo"]
[Result "0-1"]
[ECO "D59"]
[BlackElo "1345"]
[PlyCount "65"]
[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. Nc3 d5 4. Bg5 Be7 5. Nf3 0-0 6. e3 h6 7. Bh4 b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Be2 Nd7 12. 0-0 Nf6 13. Rc1 Bb7 14. Ne5 c5 15. Bf3 Rfd8 16. Re1 Nd7 17. Nxd7 Rxd7 18. a3 a5 19. Qd3 c4 20. Qc2 a4 21. Rcd1 b5 22. e4 dxe4 23. Bxe4 Bxe4 24. Qxe4 Qd8 25. Re3 Ra6 26. Rg3 Rad6 27. Rg4 g6 28. Kf1 Kh7 29. h4 f5 30. Qf4 fxg4 31. Qxg4 Rxd4 32. Rxd4 Rxd4 33. Qf3 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.25"]
[Round "2"]
[White "Vaz, Osvaldo Jose"]
[Black "Sombrio, Otto de Henrique"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1680"]
[PlyCount "63"]
[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 c5 2. c3 Nc6 3. d4 cxd4 4. cxd4 e5 5. d5 Nd4 6. Nf3 Nxf3+ 7. Qxf3 Nf6 8. Nc3 Bb4 9. Bd2 0-0 10. Bc4 d6 11. h3 a6 12. 0-0 b5 13. Bb3 a5 14. a3 Bxc3 15. Bxc3 a4 16. Ba2 Nd7 17. Rac1 Nc5 18. Bxe5 Re8 19. Qg3 Rxe5 20. Rxc5 Qg5 21. Rc7 Qxg3 22. fxg3 f6 23. Bb1 Kf8 24. Rfc1 Ba6 25. Rd7 Ree8 26. Rcc7 Rac8 27. Rf7+ Kg8 28. Rxg7+ Kh8 29. Rxh7+ Kg8 30. Kf2 Rxc7 31. Rxc7 Rd8 32. g4 1-0

