[Event "Joacaba op 2nd"]
[Site "Joacaba"]
[Date "2023.07.02"]
[Round "5"]
[White "Lazzarotti, Calebe Kadlubiski"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1792"]
[BlackElo "1422"]
[PlyCount "105"]
[EventDate "2023.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 d5 5. exd5 exd5 6. d4 Nf6 7. 0-0 Bg4 8. Re1+ Be7 9. dxc5 0-0 10. c3 Bxc5 11. h3 Bxf3 12. Qxf3 Ne4 13. Be3 Ne5 14. Qe2 Bxe3 15. Qxe3 Nc4 16. Qe2 Re8 17. b3 Ned6 18. Qd1 Rxe1+ 19. Qxe1 Nb6 20. Nd2 Qf6 21. Rc1 Rc8 22. Nf3 Re8 23. Qf1 a6 24. Nd4 h6 25. Qd3 Ne4 26. Rc2 g6 27. Re2 Nd6 28. Rxe8+ Nxe8 29. Qe3 Nd6 30. Qxh6 Ne4 31. Qe3 Qg5 32. Qxg5 Nxg5 33. f3 Nd7 34. Kf2 Kf8 35. Ke3 Nc5 36. h4 Nh7 37. Nc2 Ke7 38. Nb4 Kd6 39. Bh3 Nf6 40. g4 Ne6 41. Nd3 b6 42. Nf4 d4+ 43. cxd4 Nd5+ 44. Nxd5 Kxd5 45. h5 gxh5 46. gxh5 Ng5 47. h6 Kd6 48. f4 Nh7 49. Bf5 Nf6 50. h7 Nxh7 51. Bxh7 Ke6 52. Bg8 Ke7 53. d5 1-0

[Event "Joacaba op 2nd"]
[Site "Joacaba"]
[Date "2023.07.02"]
[Round "6"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Cozzer, Pietro"]
[Result "1/2-1/2"]
[ECO "D42"]
[WhiteElo "1422"]
[PlyCount "110"]
[EventDate "2023.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 e6 5. Nc3 Nf6 6. Nf3 Nc6 7. Bg5 dxc4 8. Bxc4 Be7 9. 0-0 0-0 10. Bb3 b6 11. a3 Bb7 12. Bc2 Ba6 13. Re1 h6 14. Bh4 Nd5 15. Bxe7 Ndxe7 16. b4 Bc4 17. b5 Na5 18. Ne5 Qc7 19. Rc1 f6 20. Nxc4 Qxc4 21. Bb1 Rfd8 22. Ba2 Qxd4 23. Rxe6 Qxd1+ 24. Nxd1 Kf8 25. Ne3 Rac8 26. Re1 Rd7 27. h3 Rdc7 28. Ng4 Ng6 29. g3 h5 30. Bb1 Ne7 31. Nh2 Nc4 32. a4 Nb2 33. R6e4 f5 34. Rb4 Rc1 35. Rf1 Rxf1+ 36. Nxf1 Nc4 37. Bd3 Ne5 38. Bxf5 Nxf5 39. Rf4 g6 40. g4 hxg4 41. hxg4 Nxg4 42. Rxg4 Kf7 43. Kg2 Rc2 44. a5 bxa5 45. Ra4 Rc5 46. Rxa5 a6 47. Rxa6 Rxb5 48. Nd2 Nh4+ 49. Kh3 Rh5 50. Kg4 Nf5 51. Nf3 Nh6+ 52. Kf4 Rf5+ 53. Ke4 Ng4 54. Rxg6 Rxf3 55. Kxf3 Ne5+ 1/2-1/2

[Event "Joacaba op 2nd"]
[Site "Joacaba"]
[Date "2023.07.01"]
[Round "3"]
[White "Jenidarchiche, Douglas Rodrigo"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1801"]
[BlackElo "1422"]
[PlyCount "59"]
[EventDate "2023.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 d5 4. exd5 exd5 5. d4 Nf6 6. Bg2 Nc6 7. 0-0 Be7 8. dxc5 Bxc5 9. Bg5 Be7 10. Nc3 Ne4 11. Bxe7 Nxe7 12. Nxe4 dxe4 13. Qxd8+ Kxd8 14. Ng5 Ke8 15. Nxe4 f5 16. Nd6+ Kf8 17. b3 Rb8 18. Rad1 b6 19. Nxc8 Rxc8 20. Rd7 a5 21. Re1 Ng6 22. Bd5 h6 23. Re6 Rh7 24. Rxg6 Rxc2 25. Rxb6 Ke8 26. Ra7 Rc8 27. Rbb7 h5 28. Re7+ Kf8 29. Be6 Rd8 30. Rf7+ 1-0

[Event "Joacaba op 2nd"]
[Site "Joacaba"]
[Date "2023.07.01"]
[Round "4"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Dos Santos, Gabriel Conte"]
[Result "1-0"]
[ECO "B84"]
[WhiteElo "1422"]
[BlackElo "1088"]
[PlyCount "29"]
[EventDate "2023.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 b5 8. a3 Be7 9. Bf3 Bb7 10. e5 Nd5 11. Nxd5 Bxd5 12. Bxd5 exd5 13. e6 fxe6 14. Nxe6 Bf6 15. Nxd8 1-0

[Event "Joacaba op 2nd"]
[Site "Joacaba"]
[Date "2023.07.01"]
[Round "2"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Minks, Miguel Wunder"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1422"]
[PlyCount "41"]
[EventDate "2023.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. c3 Nf6 5. d3 d5 6. exd5 Nxd5 7. h3 0-0 8. 0-0 Be6 9. Re1 f6 10. d4 Bd6 11. Bb3 Qd7 12. c4 Nf4 13. Bxf4 exf4 14. d5 Bxh3 15. dxc6 Qg4 16. Qd5+ Rf7 17. Nfd2 Rd8 18. c5 Be7 19. Qxd8+ Bf8 20. Bxf7+ Kxf7 21. Qd7+ 1-0

[Event "Joacaba op 2nd"]
[Site "Joacaba"]
[Date "2023.06.30"]
[Round "1"]
[White "Soupinski, Isabel Cristina"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1729"]
[BlackElo "1422"]
[PlyCount "66"]
[EventDate "2023.06.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. Be2 d5 5. e5 Nge7 6. 0-0 Nf5 7. c3 Be7 8. Nbd2 0-0 9. Nb3 b6 10. h3 Nh4 11. d4 Nxf3+ 12. Bxf3 cxd4 13. c4 Nxe5 14. Qxd4 Nxf3+ 15. gxf3 Ba6 16. Nd2 dxc4 17. Qc3 Qd5 18. b4 cxb3 19. Bb2 Bf6 20. Qc1 Bxb2 21. Qxb2 Bxf1 22. Rxf1 bxa2 23. Rd1 Rfd8 24. f4 Rac8 25. Ra1 Qxd2 26. Qe5 Rc1+ 27. Rxc1 Qxc1+ 28. Kg2 a1Q 29. Qe4 Qh1+ 30. Kg3 Qag1+ 31. Kh4 Qxe4 32. f3 Qxf4+ 33. Kh5 g6# 0-1

[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.05.01"]
[Round "6"]
[White "Bonfim, Rodrigo Rosa"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1800"]
[BlackElo "1406"]
[PlyCount "96"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 d5 4. exd5 exd5 5. d4 Be6 6. Nc3 Nf6 7. Bg2 Nc6 8. 0-0 Be7 9. h3 Qd7 10. Ne5 Qc8 11. Nxc6 bxc6 12. Kh2 0-0 13. Be3 cxd4 14. Bxd4 Rd8 15. Qe2 Nd7 16. f4 Bc5 17. f5 Bxd4 18. fxe6 fxe6 19. Qxe6+ Kh8 20. Qg4 Bf6 21. Nd1 Qc7 22. c3 Rab8 23. Rc1 Ne5 24. Qf5 Rf8 25. Qh5 Ng6 26. Rc2 Be5 27. Qg4 Bd6 28. Rcf2 Ne5 29. Rxf8+ Rxf8 30. Rxf8+ Bxf8 31. Qe6 h6 32. Ne3 Nf7 33. Nxd5 cxd5 34. Bxd5 Kg8 35. c4 Qe7 36. Qf5 Qf6 37. Qd7 Qxb2+ 38. Kh1 Qf6 39. Qxa7 Be7 40. a4 Kh7 41. h4 Ne5 42. Be4+ g6 43. h5 Kg7 44. Bxg6 Ng4 45. Kg2 Ne5 46. Be4 Nxc4 47. a5 Qe5 48. Qb7 Nd6 0-1

[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.04.30"]
[Round "4"]
[White "Dias, Joao Batista de Sou"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1796"]
[BlackElo "1406"]
[PlyCount "56"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. f4 e6 3. Nf3 d5 4. e5 Nc6 5. c3 d4 6. Bb5 Nge7 7. Na3 a6 8. Bd3 Nd5 9. g3 b5 10. Be4 Bb7 11. 0-0 Be7 12. c4 Nc7 13. d3 Rb8 14. b3 0-0 15. h4 f6 16. exf6 Bxf6 17. Qe2 Qe7 18. Bd2 e5 19. Rae1 Rfe8 20. Qg2 Qd7 21. Re2 b4 22. Nc2 Re7 23. Nxe5 Nxe5 24. fxe5 Bxe4 25. Rxe4 Rxe5 26. Bf4 Re7 27. Rxe7 Bxe7 28. Re1 Bd6 1/2-1/2

[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.04.30"]
[Round "5"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Melo, Sergio Roberto Samp"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1406"]
[BlackElo "1553"]
[PlyCount "114"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Nc3 Be7 6. cxd5 Nxd5 7. Bc4 Nb6 8. Bb3 Bf6 9. Be3 Qe7 10. Nge2 c6 11. 0-0 Be6 12. Bxe6 Qxe6 13. Nf4 Qd7 14. Ne4 Be7 15. Qb3 0-0 16. Rad1 Nd5 17. Nc5 Bxc5 18. dxc5 Rd8 19. Rd2 Na6 20. Rfd1 Nac7 21. Ne2 Qe8 22. Bg5 f6 23. Bf4 Ne6 24. Bd6 b6 25. Qc4 Qf7 26. Nf4 Ndxf4 27. Bxf4 Rxd2 28. Rxd2 Nxc5 29. Qc1 Re8 30. h3 Ne6 31. Bg3 c5 32. f3 Nd4 33. Qd1 Qe6 34. Bf2 Qxa2 35. b4 Qe6 36. bxc5 bxc5 37. Bxd4 cxd4 38. Rxd4 Qe1+ 39. Kh2 Qxd1 40. Rxd1 Ra8 41. Kg3 a5 42. Kf4 a4 43. g4 a3 44. Ra1 Kf7 45. Ke3 Kg6 46. h4 h5 47. Kf4 Ra4+ 48. Kg3 a2 49. Kh3 Ra3 50. Kg3 hxg4 51. Kxg4 Ra4+ 52. Kg3 Kh5 53. Kh3 Ra3 54. Kg3 Ra4 55. Kh3 Kg6 56. f4 Kf5 57. h5 Kxf4 0-1

[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.04.29"]
[Round "2"]
[White "Alonso, Leonardo Espinha"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "1800"]
[BlackElo "1406"]
[PlyCount "67"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. e3 c5 4. Nc3 Nf6 5. Nf3 Nc6 6. cxd5 exd5 7. Bd3 Bg4 8. Be2 Be7 9. 0-0 0-0 10. h3 Bh5 11. dxc5 Bxc5 12. a3 a6 13. b4 Bb6 14. Nd4 Bxe2 15. Ncxe2 Bc7 16. Bb2 Qd6 17. Ng3 Ne4 18. Ndf5 Qg6 19. Qxd5 Nxg3 20. fxg3 Bxg3 21. Nxg7 Rad8 22. Qf5 Rd2 23. Qxg6 hxg6 24. Bf6 Be5 25. Nh5 Bxa1 26. Bxa1 gxh5 27. Bf6 Kh7 28. e4 Rg8 29. Rf5 Rgxg2+ 30. Kf1 Rh2 31. Kg1 Rxh3 32. Rg5 Rb3 33. Rg7+ Kh6 34. Rg2 0-1

[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.04.29"]
[Round "3"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Vieira, Igor Do Nascimento"]
[Result "1-0"]
[ECO "B03"]
[WhiteElo "1406"]
[BlackElo "1244"]
[PlyCount "108"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. exd6 cxd6 5. Bc4 Nb6 6. Bb3 g6 7. Bg5 Bg7 8. c3 0-0 9. Nf3 Nc6 10. 0-0 Bf5 11. Re1 Qc7 12. d5 Ne5 13. Nxe5 dxe5 14. Nd2 Rfd8 15. Qf3 Qd6 16. Rad1 h6 17. Be3 Qf6 18. Ne4 Bxe4 19. Qxf6 Bxf6 20. Bxb6 axb6 21. Rxe4 Rd6 22. Kf1 Bg7 23. f4 f5 24. fxe5 fxe4 25. exd6 exd6 26. Re1 Re8 27. Bc2 Kf7 28. Bxe4 Ra8 29. a3 Be5 30. h3 g5 31. Ke2 Ke7 32. Rb1 Ra4 33. Bg6 Bf6 34. Kd3 Ra5 35. Be4 h5 36. g4 h4 37. Ra1 Rc5 38. a4 Kd8 39. Ra3 Rc7 40. Rb3 Rc5 41. Rxb6 Kc7 42. Rb4 Be5 43. Rc4 Kb6 44. Rxc5 Kxc5 45. b4+ Kb6 46. c4 Bf4 47. Kc3 Be3 48. Kb3 Bd4 49. a5+ Ka7 50. Ka4 Be3 51. Kb5 Kb8 52. c5 Kc7 53. c6 bxc6+ 54. dxc6 Kb8 1-0

[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.04.28"]
[Round "1"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Penna, Flavio R Crautchych"]
[Result "0-1"]
[ECO "B84"]
[WhiteElo "1406"]
[BlackElo "1764"]
[PlyCount "76"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. 0-0 Be7 8. Be3 0-0 9. h3 Qc7 10. Bd3 Nbd7 11. Nb3 Ne5 12. f4 Nxd3 13. cxd3 Bd7 14. Rc1 Qd8 15. Qd2 b5 16. a3 a5 17. Nd4 Qb8 18. Qe2 Rc8 19. Bf2 b4 20. Na2 e5 21. fxe5 dxe5 22. Rxc8+ Qxc8 23. Rc1 Qb7 24. Nf5 Bxf5 25. exf5 bxa3 26. bxa3 Bxa3 27. Rc2 Qb1+ 28. Kh2 h6 29. Bc5 Rc8 30. Nc3 Qb3 31. Bxa3 Nd5 32. Nxd5 Rxc2 33. Qxe5 Qxa3 34. Qe8+ Kh7 35. Ne7 Qd6+ 36. Kg1 Rc1+ 37. Kf2 Qf4+ 38. Ke2 Rc2+ 0-1

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.29"]
[Round "10"]
[White "Muniz, Henrique Rocha"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "1657"]
[BlackElo "1356"]
[PlyCount "42"]
[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. d3 Nf6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Nc6 7. Re1 0-0 8. c3 e5 9. Be3 h6 10. Qd2 Ng4 11. Na3 a6 12. Nc2 f5 13. exf5 Bxf5 14. Nh4 Qd7 15. Nxf5 gxf5 16. h3 Nxe3 17. Nxe3 f4 18. Nd5 f3 19. Nb6 Qd8 20. Nxa8 fxg2 21. f3 Rxf3 0-1

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.28"]
[Round "8"]
[White "Rodrigues, Julliano de Araujo"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "0-1"]
[ECO "B81"]
[WhiteElo "1819"]
[BlackElo "1356"]
[PlyCount "76"]
[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. h3 e6 7. g4 h6 8. Bg2 Be7 9. Be3 Nbd7 10. Qd2 Ne5 11. b3 Rb8 12. 0-0 b5 13. f4 Ned7 14. Nc6 Qc7 15. Nxb8 Qxb8 16. Ne2 Bb7 17. Ng3 0-0 18. Rac1 Rd8 19. c4 Nc5 20. Qc2 Rc8 21. cxb5 Ncxe4 22. Qb1 Nxg3 23. Rxc8+ Qxc8 24. Rc1 Ne2+ 25. Kf2 Nxc1 26. Bxb7 Qxb7 27. bxa6 Qxa6 28. Bxc1 Nd5 29. Bd2 Bh4+ 30. Kf3 Qa7 31. Qf1 Qxa2 32. Qd3 Qa7 33. Qe2 Qb7 34. Qe4 Qxb3+ 35. Ke2 Qxh3 36. Qc4 Qxg4+ 37. Kd3 Qd1 38. f5 Bg5 0-1

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.26"]
[Round "6"]
[White "De Abreu, Wiliam"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "0-1"]
[ECO "B95"]
[BlackElo "1356"]
[PlyCount "20"]
[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 e6 6. Bg5 Be7 7. Bc4 a6 8. a4 Qa5 9. 0-0 Qxg5 10. f4 Qc5 0-1

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.26"]
[Round "5"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Campagnolo, Bruna"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1356"]
[BlackElo "1607"]
[PlyCount "118"]
[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 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 d6 6. 0-0 Be7 7. c4 Nbd7 8. Re1 0-0 9. Nc3 Ne5 10. Bf1 Bd7 11. f4 Nc6 12. Ndb5 Ne8 13. Be3 a6 14. Nd4 e5 15. Nxc6 Bxc6 16. f5 Bg5 17. Qd2 Bxe3+ 18. Qxe3 Nc7 19. Red1 Qe7 20. Rac1 Rfd8 21. Nd5 Bxd5 22. cxd5 b5 23. Qb6 Ne8 24. Rc6 Nf6 25. Rc7 Rd7 26. Qc6 Rad8 27. Rxd7 Qxd7 28. Bd3 Qa7+ 29. Kf1 Ng4 30. Rd2 Nxh2+ 31. Ke2 Ng4 32. Kd1 Nf2+ 33. Kc2 Nxd3 34. Rxd3 Qf2+ 35. Rd2 Qc5+ 36. Kd1 Qa7 37. b4 Kf8 38. Kc1 Ke7 39. Kb2 Rd7 40. Qc3 Rc7 41. Qg3 Kf8 42. Qh4 Rc8 43. Qxh7 Qc7 44. Qh8+ Ke7 45. Qh4+ Kd7 46. Qe1 Qc3+ 47. Kb1 Qxb4+ 48. Ka1 Qc3+ 49. Kb1 Rc4 50. a3 Qxa3 51. Rb2 Qd3+ 52. Ka1 Rxe4 53. Qf2 Ra4+ 54. Ra2 Qc3+ 55. Kb1 Rb4+ 56. Rb2 Rxb2+ 57. Qxb2 Qxb2+ 58. Kxb2 a5 59. Kb3 a4+ 0-1

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.25"]
[Round "4"]
[White "Do Nascimento, Carlos Augusto Xavi"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1895"]
[BlackElo "1356"]
[PlyCount "38"]
[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. Be2 Nc6 4. 0-0 g6 5. c3 Nf6 6. d3 Bg7 7. h3 0-0 8. Be3 a6 9. Qd2 b5 10. Bh6 Bb7 11. Bxg7 Kxg7 12. Nh2 e5 13. Ng4 Nxg4 14. Bxg4 Ne7 15. f4 exf4 16. Qxf4 f5 17. exf5 Nxf5 18. Bxf5 Rxf5 19. Qg3 Rg5 0-1

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.24"]
[Round "2"]
[White "Casas, Nicolas"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1803"]
[BlackElo "1356"]
[PlyCount "75"]
[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. Nf3 e6 3. Bf4 c5 4. e3 d5 5. c3 Bd6 6. Ne5 a6 7. Nd2 0-0 8. Bd3 Qc7 9. 0-0 Nc6 10. Ndf3 Ne4 11. Rc1 f6 12. Nxc6 Bxf4 13. exf4 bxc6 14. g3 cxd4 15. cxd4 Qb6 16. Qc2 Bd7 17. b3 Qa5 18. Rfe1 f5 19. Ne5 Be8 20. Bxe4 fxe4 21. Nxc6 Qb6 22. Red1 Kh8 23. Qc5 Qxc5 24. Rxc5 Rc8 25. Rdc1 h6 26. Ne5 Rxc5 27. dxc5 Bf7 28. c6 Kg8 29. c7 Rc8 30. Nd7 e5 31. Nb6 Be6 32. Nxc8 Bxc8 33. fxe5 Kf7 34. Kf1 Ke6 35. Ke2 Kxe5 36. Rc6 d4 37. Rb6 Bg4+ 38. Kd2 1-0

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.24"]
[Round "3"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Souza, Vitor Gabriel Batis"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1356"]
[BlackElo "1800"]
[PlyCount "77"]
[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 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. Be3 Nf6 7. N1c3 a6 8. Na3 b5 9. Nd5 Rb8 10. f3 Nxd5 11. exd5 Ne7 12. c4 Nf5 13. Qd2 Nxe3 14. Qxe3 b4 15. Nc2 Be7 16. Bd3 Bg5 17. Qa7 Rb7 18. Qxa6 0-0 19. 0-0 b3 20. Ne1 Be3+ 21. Kh1 Bd4 22. Rb1 Ra7 23. Qb5 bxa2 24. Ra1 f5 25. Nc2 Bd7 26. Qb4 Bc5 27. Qc3 Rf6 28. b4 Bb6 29. Qb2 Rh6 30. h3 f4 31. c5 dxc5 32. Qxe5 Bxh3 33. gxh3 Rxh3+ 34. Kg2 Rh2+ 35. Kxh2 Qh4+ 36. Kg2 Qg3+ 37. Kh1 Qh3+ 38. Kg1 Qg3+ 39. Kh1 1/2-1/2

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.23"]
[Round "1"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Kim, Thiago"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1356"]
[BlackElo "1980"]
[PlyCount "82"]
[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 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d6 6. Be3 Nf6 7. N1c3 a6 8. Na3 Be6 9. Nd5 Nxd5 10. exd5 Qa5+ 11. Bd2 Qxd5 12. f3 Be7 13. Bc4 Qd4 14. c3 Qh4+ 15. g3 Qh3 16. Qb3 b5 17. Bxe6 Qxe6 18. Qxe6 fxe6 19. 0-0-0 0-0-0 20. Rhe1 Rhf8 21. Rf1 d5 22. Nc2 h6 23. Rde1 g5 24. Nb4 Nxb4 25. cxb4 Bd6 26. h4 gxh4 27. Bxh6 hxg3 28. Bxf8 Rxf8 29. Kb1 Rf5 30. a3 Bc7 31. Rc1 Kd7 32. Rxc7+ Kxc7 33. Kc2 e4 34. Kd2 exf3 35. Rc1+ Kd7 36. Ke1 Re5+ 37. Kf1 Rh5 38. Kg1 g2 39. Kf2 Rh1 40. Rg1 Rxg1 41. Kxg1 d4 0-1

[Event "Florianopolis Spring op 2nd"]
[Site "Florianopolis"]
[Date "2022.10.23"]
[Round "5"]
[White "Gomes, Maria Eduarda Papin"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "1-0"]
[ECO "E33"]
[WhiteElo "1671"]
[BlackElo "1367"]
[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. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc6 5. Nf3 h6 6. Bf4 d5 7. e3 Ne4 8. Bd3 f5 9. a3 Bxc3+ 10. bxc3 a6 11. 0-0 0-0 12. cxd5 exd5 13. c4 Be6 14. Rab1 g5 15. Bg3 Rb8 16. Ne5 Qe7 17. Ng6 Qf7 18. Nxf8 Kxf8 19. Bxe4 fxe4 20. c5 Qg7 21. f3 exf3 22. Rxf3+ Kg8 23. Rbf1 Kh8 24. Rf6 Re8 25. Qg6 Qxg6 26. Rxg6 Ne7 27. Rxe6 1-0

[Event "Florianopolis Spring op 2nd"]
[Site "Florianopolis"]
[Date "2022.10.23"]
[Round "6"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Maraes, Luan Diniz"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1367"]
[BlackElo "1800"]
[PlyCount "148"]
[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 c6 2. d4 d5 3. exd5 cxd5 4. Nc3 Nc6 5. h3 Nf6 6. Nf3 e6 7. a3 a6 8. Bg5 Be7 9. Bd3 0-0 10. 0-0 b5 11. Qd2 Qc7 12. Rfe1 Bb7 13. Bf4 Bd6 14. Bxd6 Qxd6 15. Na2 Rfc8 16. c3 Na5 17. Qe2 Nc4 18. Nc1 a5 19. Nb3 a4 20. Nc5 Qc7 21. Qc2 g6 22. b4 axb3 23. Qxb3 Nd7 24. Nxd7 Qxd7 25. Reb1 Ba6 26. Bxc4 dxc4 27. Qa2 Bb7 28. Ne5 Qe8 29. a4 Bd5 30. Rxb5 f6 31. Ng4 Kg7 32. Rb4 Ra5 33. Qd2 g5 34. f4 gxf4 35. Qxf4 Qg6 36. Qf2 h5 37. Ne3 Qd3 38. Nxd5 Rxd5 39. Rb7+ Kg6 40. Qb2 Rg5 41. Qb1 f5 42. Qxd3 cxd3 43. Rb3 Rg3 44. Kf2 f4 45. Rd1 Kf6 46. Rd2 Ra8 47. Ra3 Kf5 48. Ra1 Ke4 49. a5 Rag8 50. Rg1 Ra8 51. Ra2 h4 52. a6 Ra7 53. Ra5 d2 54. Re5+ Kd3 55. Rxe6 Kc2 56. Ke2 Rxg2+ 57. Rxg2 d1Q+ 58. Kf2 Kxc3 59. Rg4 Qxd4+ 60. Ke1 Qd2+ 61. Kf1 Qd3+ 62. Kf2 Rxa6 63. Rxa6 Qxa6 64. Rxf4 Qb6+ 65. Kf3 Qh6 66. Kg4 Kd3 67. Rf5 Ke3 68. Re5+ Kd4 69. Rg5 Ke4 70. Rc5 Qf4+ 71. Kh5 Qg3 72. Rc4+ Kf5 73. Rc5+ Ke6 74. Rg5 Qxh3 0-1

[Event "Florianopolis Spring op 2nd"]
[Site "Florianopolis"]
[Date "2022.10.22"]
[Round "4"]
[White "Dos Santos, Gabriel Conte"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "1531"]
[BlackElo "1367"]
[PlyCount "104"]
[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 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 d5 5. cxd5 exd5 6. Qa4+ Nc6 7. e3 Bd7 8. Bb5 Bxc3 9. Bxc3 0-0 10. Ne2 a6 11. Bxc6 Bxc6 12. Qc2 Re8 13. 0-0 Bb5 14. a4 Bxe2 15. Qxe2 Qe7 16. f3 Qxe3+ 17. Qxe3 Rxe3 18. Rfe1 Rae8 19. Rxe3 Rxe3 20. Re1 Rxe1+ 21. Bxe1 Kf8 22. Ba5 b6 23. Bb4+ Ke8 24. a5 Kd7 25. axb6 cxb6 26. Bf8 g6 27. Kf2 Kc6 28. Ke3 a5 29. b4 a4 30. Kd2 Kb5 31. Kc1 Kc4 32. Kb2 Nd7 33. Bd6 Kxd4 34. Ka3 b5 35. g4 Kc3 36. g5 d4 37. Bg3 d3 38. Be1+ d2 39. Bxd2+ Kxd2 40. Kb2 Ne5 41. f4 Nd3+ 42. Ka3 Nxf4 43. h4 Ng2 44. h5 gxh5 45. Kb2 h4 46. g6 hxg6 47. Ka3 h3 48. Kb2 h2 49. Ka3 h1Q 50. Kb2 Qc1+ 51. Ka2 a3 52. Kb3 Qb2# 0-1

[Event "Florianopolis Spring op 2nd"]
[Site "Florianopolis"]
[Date "2022.10.22"]
[Round "3"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Mariot Vaz, Joao Antonio Bertol"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1367"]
[BlackElo "1705"]
[PlyCount "88"]
[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 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bb5+ Nbd7 7. Bg5 Be7 8. 0-0 0-0 9. Nf3 a6 10. Be2 b5 11. a3 Bb7 12. Qd3 Nc5 13. Qe3 Ncxe4 14. Nxe4 Nxe4 15. Bxe7 Qxe7 16. Bd3 Nf6 17. Qf4 e5 18. Qh4 e4 19. Rfe1 Qc7 20. Bxe4 Bxe4 21. Rxe4 Nxe4 22. Qxe4 Rfe8 23. Qd3 Qc4 24. Rd1 Qxd3 25. Rxd3 Rac8 26. Rxd6 Rxc2 27. g4 h6 28. g5 hxg5 29. Nxg5 f6 30. Nh3 Rxb2 31. Rxa6 Ree2 32. Rb6 Re1+ 33. Kg2 Ra1 34. Nf4 Rxa3 35. Rb8+ Kh7 36. Rb7 Raa2 37. Nh3 b4 38. Kg3 Ra3+ 39. Kg2 b3 40. Nf4 Rd2 41. Ne6 b2 42. Rxg7+ Kh6 43. Rg4 b1Q 44. Nf4 Qe4+ 0-1

[Event "Florianopolis Spring op 2nd"]
[Site "Florianopolis"]
[Date "2022.10.22"]
[Round "2"]
[White "Pavao, Tiago Lara Biasi"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "0-1"]
[ECO "A38"]
[WhiteElo "1703"]
[BlackElo "1367"]
[PlyCount "49"]
[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. c4 c5 2. g3 d6 3. Bg2 Nf6 4. Nf3 g6 5. 0-0 Bg7 6. d3 0-0 7. Nc3 Nc6 8. Bf4 Bf5 9. e4 Bg4 10. e5 dxe5 11. Be3 Nd4 12. Nb5 Nxb5 13. cxb5 Qc7 14. Qc1 Rac8 15. Qc4 Be6 16. Qa4 b6 17. Ng5 Bd5 18. Bh3 Ra8 19. Bg2 Bxg2 20. Kxg2 Nd5 21. Bd2 Qb7 22. Nf3 Rfd8 23. Bc3 Nxc3 24. bxc3 Rxd3 25. Qc4 0-1

[Event "Florianopolis Spring op 2nd"]
[Site "Florianopolis"]
[Date "2022.10.21"]
[Round "1"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Silva, Jeferson"]
[Result "0-1"]
[ECO "B62"]
[WhiteElo "1367"]
[BlackElo "1951"]
[PlyCount "90"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Bb5 Bd7 8. 0-0 Be7 9. Nf3 Qc7 10. Qd2 Rd8 11. Rad1 Bc8 12. Bd3 0-0 13. Rfe1 b5 14. a3 Bb7 15. h3 Na5 16. Qe2 Rd7 17. Bf4 Nc6 18. e5 dxe5 19. Nxe5 Nxe5 20. Bxe5 Qc6 21. f3 Rfd8 22. Kh1 Qc5 23. Qe3 Qxe3 24. Rxe3 Nd5 25. Re2 f6 26. Nxd5 Bxd5 27. Bg3 Bc4 28. Red2 Kf8 29. Bf4 Bxd3 30. Rxd3 Rxd3 31. Rxd3 Rxd3 32. cxd3 Bc5 33. Bc7 Ke7 34. Kh2 Bd4 35. b3 Bc5 36. a4 Bd6+ 37. Bxd6+ Kxd6 38. f4 bxa4 39. bxa4 Kc5 40. Kg3 Kd4 41. Kf3 Kxd3 42. g4 e5 43. f5 e4+ 44. Kf2 Kd2 45. h4 e3+ 0-1

[Event "Florianopolis Winter op 6th"]
[Site "Florianopolis"]
[Date "2022.07.17"]
[Round "9"]
[White "Sergio, Claudio Santos"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2009"]
[BlackElo "1275"]
[PlyCount "31"]
[EventDate "2022.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 e6 3. Bd3 c5 4. c3 d5 5. f4 a6 6. a4 Nc6 7. Nf3 Be7 8. Nbd2 Qc7 9. Ne5 cxd4 10. exd4 Nd7 11. 0-0 f6 12. Qh5+ g6 13. Bxg6+ hxg6 14. Qxg6+ Kd8 15. Nf7+ Ke8 16. Nd6+ 1-0

[Event "Florianopolis Winter op 6th"]
[Site "Florianopolis"]
[Date "2022.07.16"]
[Round "7"]
[White "Da Silva, Joao Carlos Orguim"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "0-1"]
[ECO "A02"]
[WhiteElo "1782"]
[BlackElo "1275"]
[PlyCount "142"]
[EventDate "2022.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. f4 c5 2. Nf3 Nc6 3. e3 a6 4. b3 Nf6 5. Bb2 g6 6. g4 Bg7 7. g5 Nh5 8. Bxg7 Nxg7 9. Nc3 d5 10. Ne2 Bg4 11. Bg2 Nf5 12. c3 h5 13. h3 Bxf3 14. Bxf3 Nh4 15. Ng1 Nxf3+ 16. Nxf3 Qc7 17. d4 cxd4 18. cxd4 Rc8 19. Rc1 0-0 20. Rc5 e6 21. Ne5 Qd6 22. 0-0 Nxe5 23. fxe5 Qe7 24. h4 Rxc5 25. dxc5 Qxc5 26. Qd3 Rc8 27. Rf6 Qc1+ 28. Rf1 Qc2 29. Qd4 Qxa2 30. Qb6 Qd2 31. Rf2 Qd1+ 32. Kh2 Qg4 33. Qxb7 Qxh4+ 34. Kg2 Qxg5+ 35. Kh2 Qxe5+ 36. Kg2 Rf8 37. Qb6 Qb8 38. Qxa6 Qxb3 39. Qa7 f6 40. Rf3 g5 41. Qd7 Qc2+ 42. Kg1 Qd1+ 43. Kf2 Qc2+ 44. Kg1 Qe4 45. Kf2 h4 46. Qe7 Rb8 47. Qxf6 Qc2+ 48. Kg1 Rb1+ 49. Rf1 Rxf1+ 50. Qxf1 Qf5 51. Qb5 Kg7 52. Qb2+ Kg6 53. Qh8 Kf7 54. Qd8 h3 55. Qc7+ Kg6 56. Qg3 g4 57. Qb8 g3 58. Qg8+ Kh5 59. Qxg3 Qg4 60. Kf2 Qxg3+ 61. Kxg3 h2 62. Kxh2 Kh4 63. Kg2 Kg4 64. Kf2 e5 65. Kg2 e4 66. Kf2 Kh3 67. Kf1 Kg3 68. Ke2 Kg2 69. Ke1 Kf3 70. Kd2 Kf2 71. Kd1 Kxe3 0-1

[Event "Florianopolis Winter op 6th"]
[Site "Florianopolis"]
[Date "2022.07.16"]
[Round "8"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Acosta, Pablo Alejandro"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1275"]
[BlackElo "2012"]
[PlyCount "42"]
[EventDate "2022.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. c4 dxc4 7. d5 exd5 8. Qxd5 Be6 9. Qe4 Nc6 10. Ng5 0-0-0 11. Nxe6 fxe6 12. Bxc4 Nd4 13. 0-0 Ne7 14. Nc3 Qc6 15. Qxc6+ Nexc6 16. f4 a6 17. a3 b5 18. Ba2 Be7 19. Kh1 Kc7 20. Rf2 Rhf8 21. Ne2 Nxe2 0-1

[Event "Florianopolis Winter op 6th"]
[Site "Florianopolis"]
[Date "2022.07.15"]
[Round "6"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Correia, Pedro Bavaresco"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1275"]
[BlackElo "1794"]
[PlyCount "144"]
[EventDate "2022.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e5 7. Nf3 Bg4 8. Bc4 Be7 9. h3 Bh5 10. g4 Bg6 11. Bd3 Nbd7 12. h4 h6 13. g5 hxg5 14. Bxg5 Qc7 15. Qe2 Bh5 16. Qe3 Qb6 17. Qxb6 Nxb6 18. Be2 Ng4 19. Rd1 Bxg5 20. hxg5 Ke7 21. Nd2 g6 22. Nf1 d5 23. Nxd5+ Nxd5 24. Rxd5 f5 25. f3 Ke6 26. fxg4 Bxg4 27. Rxh8 Rxh8 28. Bxg4 fxg4 29. Rd3 Rh5 30. Rg3 Rxg5 31. Ne3 Rh5 32. Nxg4 Rh1+ 33. Kd2 Ra1 34. a3 Rb1 35. Kc3 Re1 36. Ne3 Kf7 37. Kd2 Rb1 38. b3 b5 39. Nd1 Ra1 40. b4 Kf6 41. Nc3 g5 42. Nd5+ Kg6 43. Nc7 Kh5 44. Ne6 g4 45. Ng7+ Kh4 46. Nf5+ Kg5 47. Ne3 Rxa3 48. Rxg4+ Kh5 49. Rg7 a5 50. Rb7 Ra4 51. Rxb5 axb4 52. Rxe5+ Kg6 53. Rb5 b3 54. c4 Ra2+ 55. Kc3 Re2 56. Kd3 Rb2 57. c5 Rb1 58. c6 b2 59. Nf5 Kf6 60. Ne3 Ke6 61. Kc2 Re1 62. Nd1 Rxe4 63. Rc5 b1Q+ 64. Kxb1 Rb4+ 65. Kc2 Rb8 66. Kc3 Kd6 67. Kd4 Rc8 68. Ne3 Rxc6 69. Nf5+ Kd7 70. Re5 Re6 71. Ra5 Kc6 72. Rc5+ Kb6 1/2-1/2

[Event "Florianopolis Winter op 6th"]
[Site "Florianopolis"]
[Date "2022.07.15"]
[Round "5"]
[White "Shaffer, Alexander"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1759"]
[BlackElo "1275"]
[PlyCount "56"]
[EventDate "2022.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Nbd2 Ne4 5. e3 Nxd2 6. Nxd2 b6 7. Bd3 Bb7 8. 0-0 Qg5 9. Nf3 Qh5 10. e4 0-0 11. d5 f5 12. Qe2 fxe4 13. Qxe4 Bd6 14. h3 exd5 15. cxd5 Bxd5 16. Bc4 Bxc4 17. Qxc4+ Kh8 18. Be3 Nc6 19. Rad1 Ne5 20. Nxe5 Qxe5 21. g3 Qxb2 22. Bd4 Qb4 23. Qd5 Rae8 24. Qg5 Rf7 25. h4 Kg8 26. h5 h6 27. Qg6 Re6 28. Qd3 Qa5 0-1

[Event "Florianopolis Winter op 6th"]
[Site "Florianopolis"]
[Date "2022.07.14"]
[Round "4"]
[White "Cazao, Sophia Guidi Peplau"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "1800"]
[BlackElo "1275"]
[PlyCount "30"]
[EventDate "2022.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 Ne4 5. Qb3 Ba5 6. e3 Nxc3 7. bxc3 c5 8. Ba3 cxd4 9. Nxd4 Qb6 10. Nb5 Kd8 11. Be2 a6 12. c5 Qc6 13. Bf3 Qxb5 14. Bb4 Bxb4 15. cxb4 a5 0-1

[Event "Florianopolis Winter op 6th"]
[Site "Florianopolis"]
[Date "2022.07.14"]
[Round "3"]
[White "Oliveira, Isaac Rodrigues"]
[Black "De Bortolo, Artur Mattos"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1275"]
[PlyCount "130"]
[EventDate "2022.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bf4 Nf6 5. Nc3 c6 6. h3 Be7 7. Nf3 Nbd7 8. Bd3 0-0 9. Qd2 Re8 10. 0-0 Bf8 11. Rfe1 Rxe1+ 12. Rxe1 Nb6 13. Ne2 Be6 14. Ng3 Nbd7 15. Bg5 h6 16. Bf4 Qb6 17. c3 c5 18. dxc5 Nxc5 19. Be3 Qd6 20. Nf5 Nce4 21. Bxe4 Nxe4 22. Nxd6 Nxd2 23. Bxd2 Bxd6 24. Nd4 Re8 25. Nxe6 Rxe6 26. Rd1 Bc5 27. Kf1 Rf6 28. Be1 Rd6 29. b4 Bb6 30. c4 Bc7 31. cxd5 Ra6 32. b5 Rxa2 33. d6 Bd8 34. Rc1 Kf8 35. Bb4 Ke8 36. Rc8 Kd7 37. Rb8 b6 38. Rb7+ Ke6 39. f4 g6 40. g4 f5 41. gxf5+ gxf5 42. Rh7 Rb2 43. Bc3 Rb1+ 44. Kg2 Kxd6 45. Rxh6+ Kc5 46. Rh5 Kxb5 47. Rxf5+ Kc4 48. Bf6 Rd1 49. h4 Rd2+ 50. Kg3 b5 51. h5 Bxf6 52. Rxf6 Rd7 53. h6 b4 54. Rg6 b3 55. Rg7 Rd6 56. h7 Rh6 57. Kg4 b2 58. Rb7 Rxh7 59. Rxb2 a5 60. f5 a4 61. Kg5 a3 62. Rb8 a2 63. Ra8 Kb3 64. f6 Kb2 65. Rb8+ Ka1 1/2-1/2

[Event "Florianopolis Winter op 6th"]
[Site "Florianopolis"]
[Date "2022.07.13"]
[Round "2"]
[White "Constantino, Pedro Henrique"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1717"]
[BlackElo "1275"]
[PlyCount "77"]
[EventDate "2022.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 g6 4. d4 cxd4 5. cxd4 Bg7 6. Nc3 d6 7. h3 f5 8. exf5 Bxf5 9. Bd3 Bxd3 10. Qxd3 Qb6 11. Be3 Qxb2 12. Rb1 Qa3 13. Rxb7 Nf6 14. Rb3 Qa5 15. 0-0 Rc8 16. Rfb1 0-0 17. Rb5 Qa6 18. Ng5 Ne8 19. Qc4+ Kh8 20. Nf7+ Rxf7 21. Qxf7 Nc7 22. Rb7 Nd8 23. Qf3 Nxb7 24. Qxb7 Qxb7 25. Rxb7 e5 26. d5 a6 27. a4 Kg8 28. Rb6 e4 29. Rc6 Bf6 30. Bb6 Bd8 31. Nxe4 Rb8 32. Bxc7 Bxc7 33. Rxc7 Rb4 34. Nxd6 Rxa4 35. Nb7 Rd4 36. d6 Kf8 37. d7 a5 38. d8Q+ Rxd8 39. Nxd8 1-0

[Event "Florianopolis Winter op 6th"]
[Site "Florianopolis"]
[Date "2022.07.13"]
[Round "1"]
[White "Oliveira, Isaac Rodrigues"]
[Black "De Carvalho, Vitor Augusto Ponci"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "1275"]
[BlackElo "1999"]
[PlyCount "92"]
[EventDate "2022.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bd3 d5 8. exd5 e4 9. Qe2 0-0 10. Bxe4 Nxe4 11. Qxe4 Re8 12. Ne5 Bd6 13. 0-0 Bxe5 14. Qb4 Bxc3 15. Qxc3 Qxd5 16. b3 Qe5 17. Qxe5 Rxe5 18. Bb2 Re8 19. Rfe1 Rxe1+ 20. Rxe1 Be6 21. h3 Nc6 22. a3 h6 23. Re3 Kh7 24. Rg3 f6 25. Re3 Re8 26. Kf1 Kg8 27. g4 Kf7 28. Ke2 Bd7 29. Rxe8 Bxe8 30. f4 Ke6 31. Kd3 Bf7 32. Ke4 Kd6 33. a4 b5 34. Kf5 Ne7+ 35. Ke4 Nc6 36. Kf5 b4 37. h4 Kd5 38. g5 hxg5 39. hxg5 Nd4+ 40. Bxd4 Kxd4 41. gxf6 g6+ 42. Kg5 Kc3 43. Kh6 Kxc2 44. Kg7 Bxb3 45. Kxg6 Kd3 46. f5 Ke4 0-1

[Event "Pan American-ch Hybrid U12 31st"]
[Site "Tornelo INT"]
[Date "2021.09.04"]
[Round "9"]
[White "Churqui Vila, Uriel Franz"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "1-0"]
[ECO "B32"]
[WhiteElo "1385"]
[BlackElo "1229"]
[PlyCount "87"]
[EventDate "2021.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nxd4 5. Qxd4 e6 6. Nc3 b6 7. Bf4 Bb7 8. Nb5 Rc8 9. Bd6 a6 10. Bxf8 Kxf8 11. Nd6 Rb8 12. Nxb7 Rxb7 13. Bxa6 Ra7 14. Bb5 Nf6 15. e5 Nd5 16. c4 Nb4 17. Qd6+ Qe7 18. Qb8+ Qe8 19. Qxa7 Nc2+ 20. Ke2 Nxa1 21. Rxa1 Qd8 22. Rd1 d5 23. exd6 g6 24. Qe7+ Qxe7 25. dxe7+ Kxe7 26. Rd7+ Kf6 27. Rb7 Ra8 28. a4 Rd8 29. Rxb6 h6 30. a5 Ra8 31. a6 g5 32. Bc6 Ra7 33. b4 Ke5 34. b5 Kd4 35. Rb7 Rxb7 36. axb7 Kxc4 37. b8Q f5 38. Qe5 f4 39. b6 g4 40. b7 f3+ 41. gxf3 gxf3+ 42. Kxf3 h5 43. b8Q h4 44. Qbb5# 1-0

[Event "Pan American-ch Hybrid U12 31st"]
[Site "Tornelo INT"]
[Date "2021.09.04"]
[Round "5"]
[White "Cunha, Lucas Emanuel"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1198"]
[BlackElo "1229"]
[PlyCount "118"]
[EventDate "2021.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 bxc6 5. d3 Nf6 6. 0-0 g6 7. Nc3 Bg7 8. Bf4 0-0 9. Qd2 d6 10. h3 Re8 11. e5 Nd5 12. Nxd5 cxd5 13. exd6 Bxb2 14. Rab1 Bg7 15. dxe7 Qxe7 16. Rfe1 Qd7 17. Qa5 Rxe1+ 18. Rxe1 Qb5 19. Qxb5 axb5 20. Re8+ Bf8 21. Bd6 Bb7 22. Rxa8 Bxa8 23. Bxf8 Kxf8 24. d4 c4 25. c3 Ke7 26. Kf1 f6 27. g4 Ke6 28. Ke2 Bc6 29. a3 h6 30. Nh4 Be8 31. f4 Kd6 32. Kd2 Kc6 33. f5 gxf5 34. Nxf5 Kb6 35. Nxh6 Bg6 36. h4 Ka5 37. Kc1 Ka4 38. Kb2 Ka5 39. Ng8 f5 40. Ne7 f4 41. Kc1 Be4 42. Nf5 f3 43. Kd2 Bd3 44. Ke1 Ka4 45. h5 Kxa3 46. h6 b4 47. h7 b3 48. h8Q b2 49. Qa8+ Kb3 50. Qb7+ Kc2 51. Ne3+ Kc1 52. g5 b1Q 53. Qxb1+ Kxb1 54. Kd2 f2 55. Kd1 f1Q+ 56. Nxf1 Bxf1 57. g6 Bh3 58. g7 Be6 59. Kd2 Kb2 0-1

[Event "Pan American-ch Hybrid U12 31st"]
[Site "Tornelo INT"]
[Date "2021.09.04"]
[Round "3"]
[White "Guevara Ruiz, Marvin Andres"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "1-0"]
[ECO "B21"]
[BlackElo "1229"]
[PlyCount "71"]
[EventDate "2021.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 Nf6 7. 0-0 e6 8. Qe2 a6 9. Bb3 Qc7 10. Nd5 exd5 11. exd5+ Ne5 12. Bf4 Be7 13. Nxe5 dxe5 14. Bxe5 Qb6 15. d6 Bg4 16. Ba4+ Bd7 17. Bxd7+ Kxd7 18. dxe7 Kxe7 19. Bxf6+ Kxf6 20. Qf3+ Ke7 21. Qa3+ Kd8 22. Rac1 f6 23. Rfe1 Qc7 24. Rxc7 Kxc7 25. h3 Rhe8 26. Qg3+ Kb6 27. Rxe8 Rxe8 28. Qxg7 Re1+ 29. Kh2 Ra1 30. Qxf6+ Ka7 31. a3 b5 32. Qg7+ Kb6 33. Qxh7 Ka5 34. Qc7+ Ka4 35. Qc3 a5 36. Qc2# 1-0

[Event "Pan American-ch Hybrid U12 31st"]
[Site "Tornelo INT"]
[Date "2021.09.04"]
[Round "2"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Caro Miranda, Peter Valentino"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "1229"]
[BlackElo "1310"]
[PlyCount "85"]
[EventDate "2021.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 e6 4. Nc3 c5 5. Nf3 Nc6 6. Bb5 Bd7 7. Be3 Nxd4 8. Bxd7+ Qxd7 9. Nxd4 cxd4 10. Bxd4 Bb4 11. 0-0 Ne7 12. Qg4 Bxc3 13. Bxc3 h5 14. Qxg7 Rg8 15. Qh6 d4 16. Bb4 Qd5 17. f3 Ng6 18. Qxh5 Nf4 19. Qh4 Ng6 20. Qe1 Nxe5 21. Qe4 Qb5 22. Rab1 0-0-0 23. Be7 f5 24. Qe1 Rde8 25. Bf6 Nc6 26. Qd2 Rg6 27. Bh4 Kb8 28. c3 e5 29. Bf2 d3 30. a4 Qd5 31. b3 e4 32. Qf4+ Qe5 33. Qxe5+ Nxe5 34. fxe4 fxe4 35. Bg3 Ka8 36. Bxe5 e3 37. Rf3 Rge6 38. Rxe3 Rxe5 39. Rxe5 Rxe5 40. Rd1 Rd5 41. Kf2 d2 42. Ke2 Rh5 43. Rxd2 1-0

[Event "Pan American-ch Hybrid U12 31st"]
[Site "Tornelo INT"]
[Date "2021.09.04"]
[Round "4"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Muthukumaran, Gurru"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1229"]
[BlackElo "1620"]
[PlyCount "94"]
[EventDate "2021.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 g6 4. Nc3 Bg7 5. 0-0 e6 6. d3 Nge7 7. Bf4 d5 8. exd5 exd5 9. Bb5 0-0 10. Qd2 a6 11. Bxc6 Nxc6 12. Bh6 Bg4 13. Bxg7 Kxg7 14. Qf4 Bxf3 15. Qxf3 Nd4 16. Qxd5 Nxc2 17. Rac1 Qxd5 18. Nxd5 Rad8 19. Rxc2 Rxd5 20. Rfc1 b6 21. Rc3 Rfd8 22. Rd1 Rd4 23. b3 R8d5 24. Kf1 Kf6 25. Ke2 Ke5 26. f4+ Rxf4 27. Rc4 Rfd4 28. Rxd4 Kxd4 29. Kd2 Rg5 30. g3 Rf5 31. Kc2 Rf2+ 32. Rd2 Ke3 33. Rxf2 Kxf2 34. g4 Kg2 35. h4 Kg3 36. h5 Kxg4 37. hxg6 hxg6 38. b4 f5 39. a4 cxb4 40. d4 Kf4 41. Kd3 b3 42. Kc3 Ke4 43. d5 Kxd5 44. Kxb3 f4 45. Kc3 g5 46. Kd3 f3 47. Ke3 g4 0-1

[Event "Pan American-ch Hybrid U12 31st"]
[Site "Tornelo INT"]
[Date "2021.09.04"]
[Round "7"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Vasquez Florez, Yoshua Marcelo"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "1229"]
[BlackElo "1053"]
[PlyCount "187"]
[EventDate "2021.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Bb5+ Bd7 5. Bxd7+ Nxd7 6. Nxd4 Ngf6 7. Nc3 e5 8. Nf3 Be7 9. 0-0 0-0 10. Be3 a6 11. Qd2 Nb6 12. b3 Rc8 13. Rac1 Rc6 14. Bxb6 Qxb6 15. Nd5 Nxd5 16. Qxd5 Rc3 17. Nd2 Qc6 18. Nc4 Qxd5 19. exd5 b5 20. Na5 Bg5 21. Rcd1 Rxc2 22. Nb7 Be7 23. a4 Rb2 24. Rb1 Rxb1 25. Rxb1 bxa4 26. bxa4 Rb8 27. Rb3 Bd8 28. Na5 Rxb3 29. Nxb3 f5 30. Kf1 Kf7 31. Ke2 Kf6 32. Nd2 Bc7 33. Nc4 Ke7 34. Ke3 g5 35. g3 h5 36. f3 Bb8 37. Na5 Ba7+ 38. Kd3 Bg1 39. Nc6+ Kf6 40. h3 g4 41. hxg4 hxg4 42. fxg4 e4+ 43. Ke2 fxg4 44. a5 Kf5 45. Nb8 Ke5 46. Nxa6 Kxd5 47. Nb8 Ke6 48. Nc6 d5 49. a6 d4 50. a7 d3+ 51. Kd2 Bxa7 52. Nxa7 Kd5 53. Ke3 Kc4 54. Kd2 Kd4 55. Nc6+ Kd5 56. Ne7+ Ke6 57. Ng6 Kf5 58. Nf4 Ke5 59. Ke3 Kf5 60. Nd5 Ke5 61. Nc3 d2 62. Kxd2 Kd4 63. Ne2+ Kd5 64. Ke3 Ke5 65. Nc3 Kf5 66. Nxe4 Ke5 67. Nf2 Kf5 68. Kd4 Kg5 69. Ke5 Kh5 70. Kf5 Kh6 71. Nxg4+ Kg7 72. Kg5 Kf7 73. Kh6 Kg8 74. Kg6 Kh8 75. Ne5 Kg8 76. Nf7 Kf8 77. g4 Kg8 78. g5 Kf8 79. Nh6 Ke7 80. Kg7 Ke8 81. g6 Ke7 82. Nf5+ Ke8 83. Kg8 Kd7 84. Kf7 Kd8 85. g7 Kd7 86. g8Q Kc6 87. Qg4 Kd5 88. Qd4+ Kc6 89. Ke6 Kc7 90. Qd6+ Kb7 91. Kd7 Ka8 92. Qb4 Ka7 93. Kc7 Ka6 94. Qb6# 1-0

[Event "Pan American-ch Hybrid U12 31st"]
[Site "Tornelo INT"]
[Date "2021.09.04"]
[Round "8"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Zockun, Ivan Zancaner"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1229"]
[BlackElo "1415"]
[PlyCount "42"]
[EventDate "2021.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Qb6 5. Nc3 Nc6 6. dxc5 Bxc5 7. Qd2 Bb4 8. a3 Bxc3 9. Qxc3 Nge7 10. Be3 Qc7 11. Bb5 Bd7 12. Nd4 Rc8 13. Nxc6 Bxc6 14. Bd3 Ng6 15. Bxa7 b6 16. Ba6 Ra8 17. Bb5 Nxe5 18. f4 Rxa7 19. fxe5 Bxb5 20. Qg3 Qxc2 21. Qc3 Qe2# 0-1

[Event "Pan American-ch Hybrid U12 31st"]
[Site "Tornelo INT"]
[Date "2021.09.04"]
[Round "6"]
[White "Samuel Bisnath, Kael"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1406"]
[BlackElo "1229"]
[PlyCount "116"]
[EventDate "2021.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb3 Nf6 6. Nc3 Bb4 7. Bd3 d5 8. exd5 Nxd5 9. Bd2 Nxc3 10. bxc3 Bd6 11. 0-0 0-0 12. f4 exf4 13. Bxf4 Bxf4 14. Rxf4 b6 15. Qf3 Bb7 16. Qh3 h6 17. Qf5 g6 18. Qh3 h5 19. Raf1 Qe7 20. g4 Qg5 21. Qg3 h4 22. Qf3 Qe7 23. Rf6 Ne5 24. Qf4 Rac8 25. c4 Rc6 26. g5 a5 27. Nd4 Rd6 28. Re1 Rxd4 29. Qxe5 Qxe5 30. Rxe5 Ba6 31. Rxb6 Bxc4 32. Bxc4 Rxc4 33. Rxa5 Rxc2 34. Rba6 Rd8 35. Ra8 Rxa8 36. Rxa8+ Kg7 37. a4 Ra2 38. a5 h3 39. a6 Rg2+ 40. Kh1 Rxg5 41. a7 Ra5 42. Kg1 g5 43. Kf2 Ra3 44. Kg1 g4 45. Kf2 f5 46. Kg1 f4 47. Rb8 Rxa7 48. Rb4 Rf7 49. Kf2 Kg6 50. Kg1 Kg5 51. Kf2 Rf5 52. Rb3 Kh4 53. Rc3 g3+ 54. hxg3+ fxg3+ 55. Kg1 h2+ 56. Kg2 Rf2+ 57. Kh1 Rf1+ 58. Kg2 h1Q# 0-1

[Event "Pan American-ch Hybrid U12 31st"]
[Site "Tornelo INT"]
[Date "2021.09.04"]
[Round "1"]
[White "Soliz Colque, Pablo Andre"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "1/2-1/2"]
[ECO "A36"]
[BlackElo "1229"]
[PlyCount "98"]
[EventDate "2021.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Bxc6 bxc6 6. Qc2 d5 7. cxd5 cxd5 8. e3 Bf5 9. e4 dxe4 10. Nxe4 Qd5 11. d3 Rc8 12. f3 c4 13. dxc4 Rxc4 14. Qb3 Rxe4+ 15. fxe4 Qxe4+ 16. Kf2 Bd4+ 17. Kf1 Bh3+ 18. Nxh3 Qxh1+ 19. Ke2 Qxh2+ 20. Kd3 Qxh3 21. Kxd4 Qg4+ 22. Kc5 Qf5+ 23. Kd4 e5+ 24. Kc5 e4+ 25. Kb4 Qf3 26. Qa4+ Kf8 27. Qd7 Qxg3 28. Qd8+ Kg7 29. Qd4+ Nf6 30. Bh6+ Kxh6 31. Qxf6 Rb8+ 32. Ka4 Qg5 33. Rh1+ Qh5 34. Qf4+ g5 35. Rxh5+ Kxh5 36. Qxb8 f5 37. Qg8 h6 38. Qf7+ Kg4 39. Qg7 h5 40. Qd4 h4 41. Kb3 h3 42. Kc2 h2 43. Qd1+ Kg3 44. Qe1+ Kg2 45. Qe2+ Kg3 46. Qe3+ Kg4 47. Qe2+ Kg3 48. Qe1+ Kg2 49. Qe2+ Kg3 1/2-1/2

[Event "BRA-ch U16"]
[Site "Florianopolis"]
[Date "2021.07.04"]
[Round "6"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Da Silva, Miguel Michels"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1254"]
[PlyCount "109"]
[EventDate "2021.07.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. Nc3 0-0 6. Bb3 h6 7. Nxe5 Nxe5 8. d4 Bxd4 9. Qxd4 Re8 10. Bf4 d6 11. Rad1 Bg4 12. f3 Bh5 13. Nd5 c5 14. Qd2 Nxd5 15. Qxd5 Qf6 16. Bxe5 dxe5 17. Qxb7 Qb6 18. Bd5 Rab8 19. Qxb6 Rxb6 20. b3 Kh8 21. g4 Bg6 22. h4 h5 23. a3 a5 24. a4 f6 25. Rfe1 Kh7 26. Bc4 Kh6 27. Rd7 Reb8 28. Ra7 R6b7 29. Rxa5 Rc8 30. Ba6 Rcb8 31. Bxb7 Rxb7 32. Rxc5 Bh7 33. a5 g5 34. hxg5+ fxg5 35. Rxe5 Rf7 36. Rf1 Rc7 37. c4 Rb7 38. Re6+ Bg6 39. Rb6 hxg4 40. fxg4 Rxb6 41. axb6 Bxe4 42. Rf6+ Kg7 43. Re6 Bf3 44. Re7+ Kf6 45. Rc7 Ke5 46. b7 Bxb7 47. Rxb7 Kf4 48. Rf7+ Kxg4 49. c5 Kh3 50. Rf3+ Kg4 51. Kg2 Kh4 52. c6 g4 53. Rf4 Kg5 54. Rxg4+ Kxg4 55. c7 1-0

[Event "BRA-ch U16"]
[Site "Florianopolis"]
[Date "2021.07.03"]
[Round "5"]
[White "Della Giustina, Daniel Oenning"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "1/2-1/2"]
[ECO "B56"]
[WhiteElo "1216"]
[BlackElo "1254"]
[PlyCount "87"]
[EventDate "2021.07.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Bb5 Bd7 6. Nc3 Nf6 7. Bg5 Qa5 8. 0-0 e5 9. Bxf6 Nxd4 10. Bxd7+ Kxd7 11. Bg5 f6 12. Be3 Nc6 13. a3 h5 14. h4 Rd8 15. Qd5 Qxd5 16. Nxd5 b6 17. b4 Ne7 18. Nxe7 Bxe7 19. c4 Rc8 20. Rac1 Rc7 21. Rfd1 Rhc8 22. c5 bxc5 23. bxc5 Ke8 24. cxd6 Rxc1 25. d7+ Kf7 26. dxc8Q Rxc8 27. Rd7 a6 28. Bd2 Rd8 29. Rxd8 Bxd8 30. a4 Ke6 31. Kf1 Kd6 32. Ke2 Kc5 33. Kd3 g6 34. g3 f5 35. f3 Bb6 36. Be3+ Kc6 37. Bxb6 Kxb6 38. Kc4 Kc6 39. Kb4 fxe4 40. fxe4 Kb6 41. a5+ Kc6 42. Kc4 Kd6 43. Kb4 Kc6 44. Kc4 1/2-1/2

[Event "BRA-ch U16"]
[Site "Florianopolis"]
[Date "2021.07.03"]
[Round "4"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Bittencourt, Arian G Decezare"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1254"]
[BlackElo "1322"]
[PlyCount "76"]
[EventDate "2021.07.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[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+ Kxf7 10. Qb3+ d5 11. Ne5+ Ke7 12. Qxb4+ Qd6 13. Qxd6+ Nxd6 14. Nc3 c6 15. 0-0 Re8 16. a4 a5 17. f4 Bf5 18. Rae1 Kf8 19. g4 Be4 20. Nxe4 Nxe4 21. Nd7+ Kg8 22. Nc5 Nxc5 23. dxc5 Kf7 24. Rxe8 Rxe8 25. Kf2 Re4 26. b3 Rxf4+ 27. Ke2 Rxf1 28. Kxf1 Ke6 29. Ke2 d4 30. Kd3 Kd5 31. h4 Kxc5 32. g5 b5 33. h5 bxa4 34. bxa4 Kd5 35. Kd2 c5 36. Ke1 Ke4 37. h6 g6 38. Kd2 c4 0-1

[Event "BRA-ch U16"]
[Site "Florianopolis"]
[Date "2021.07.02"]
[Round "3"]
[White "De Sa, Arthur Chaul Maranh"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "1-0"]
[ECO "E40"]
[BlackElo "1254"]
[PlyCount "51"]
[EventDate "2021.07.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Ne4 5. Bd2 Nxd2 6. Qxd2 Nc6 7. a3 Be7 8. Bd3 d5 9. Nf3 Na5 10. Nxd5 Nb3 11. Qc3 Nxa1 12. Nf4 Bd7 13. 0-0 0-0 14. Rxa1 c5 15. Qc2 f5 16. Ne5 cxd4 17. exd4 Rc8 18. Qe2 Ba4 19. Nxe6 Qb6 20. Nxf8 Bxf8 21. Bxf5 Qxd4 22. Bxc8 Bd6 23. Be6+ Kf8 24. Qf3+ Ke8 25. Qf7+ Kd8 26. Qd7+ 1-0

[Event "BRA-ch U16"]
[Site "Florianopolis"]
[Date "2021.07.02"]
[Round "2"]
[White "Silva, Caio Henrique Angel"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "1693"]
[BlackElo "1254"]
[PlyCount "81"]
[EventDate "2021.07.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. g3 Nc6 4. Bg2 b6 5. c4 Bb4+ 6. Bd2 Bxd2+ 7. Nbxd2 Bb7 8. e4 d6 9. 0-0 0-0 10. Re1 e5 11. d5 Nb4 12. Qb3 Na6 13. Qc3 c6 14. b4 Rc8 15. Qb2 cxd5 16. cxd5 Qd7 17. Bf1 Rc7 18. Qa3 Nb8 19. Qxa7 Bxd5 20. Qxb6 Rb7 21. Qe3 Ng4 22. Qd3 Bc6 23. a3 Bb5 24. Qb3 Bxf1 25. Nxf1 Na6 26. Qd3 Nc7 27. Red1 Rd8 28. Ne3 Nxe3 29. Qxe3 Qb5 30. Qd3 Qxd3 31. Rxd3 Ra7 32. Nxe5 d5 33. Nc6 Raa8 34. Nxd8 Rxd8 35. exd5 Rxd5 36. Rxd5 Nxd5 37. b5 Kf8 38. a4 Ke7 39. a5 Kd6 40. Rd1 Kc5 41. Rxd5+ 1-0

[Event "BRA-ch U16"]
[Site "Florianopolis"]
[Date "2021.07.01"]
[Round "1"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Silva, Guilherme Henrique"]
[Result "0-1"]
[ECO "B86"]
[WhiteElo "1254"]
[BlackElo "1769"]
[PlyCount "66"]
[EventDate "2021.07.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 e6 4. Nc3 Nf6 5. d4 cxd4 6. Nxd4 a6 7. a4 Be7 8. 0-0 0-0 9. Be3 Qc7 10. Bb3 Bd7 11. f3 Nc6 12. Qd2 Rac8 13. Bg5 Nxd4 14. Qxd4 d5 15. e5 Bc5 16. Qxc5 Qxc5+ 17. Kh1 Ne8 18. Rad1 f6 19. Bf4 h5 20. Ne4 Qc7 21. Nd6 fxe5 22. Nxc8 Rxf4 23. Ne7+ Kf7 24. Nxd5 exd5 25. Rxd5 Be6 26. Rd3 Bxb3 27. cxb3 e4 28. Rd4 Qe5 29. Rd7+ Kf8 30. Rxb7 e3 31. g3 e2 32. Re1 Rxf3 33. Kg2 Qe3 0-1

[Event "Florianopolis op 7th"]
[Site "Florianopolis"]
[Date "2021.01.24"]
[Round "10"]
[White "Rahn, Marlon Cristiano"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1181"]
[PlyCount "126"]
[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 Nc6 3. Bc4 d6 4. c3 Nf6 5. d3 Bg4 6. Nbd2 g6 7. h3 Bd7 8. 0-0 Bg7 9. Bb3 a6 10. Re1 Qc7 11. Nf1 0-0 12. Bf4 Nh5 13. Bg5 Rfe8 14. Qd2 Na5 15. Bc2 f5 16. Bh6 Rf8 17. Bxg7 Kxg7 18. Qg5 Rae8 19. e5 e6 20. exd6 Qxd6 21. Ne5 Nc6 22. Nxd7 Qxd7 23. Re3 Qd6 24. Rae1 f4 25. Re4 Rf5 26. Qh4 Re5 27. Rxe5 Nxe5 28. Rd1 Rd8 29. Nh2 Qb6 30. Bb3 Qd6 31. Bc2 Qc7 32. Ng4 Nxg4 33. hxg4 Nf6 34. Re1 Rd6 35. Qh2 g5 36. f3 Qb6 37. Bb3 c4+ 38. d4 cxb3 39. a3 Rd5 40. Kh1 Qd6 41. Qg1 e5 42. dxe5 Rxe5 43. Rd1 Nd5 44. Qd4 b5 45. Re1 Kf6 46. a4 Ke6 47. Rxe5+ Qxe5 48. Qa7 Nc7 49. Qb6+ Kd7 50. Qh6 Qe1+ 51. Kh2 Qh4+ 52. Qxh4 gxh4 53. Kh3 Ke6 54. Kxh4 Kf6 55. axb5 axb5 56. g3 Nd5 57. g5+ Kg6 58. gxf4 Nxf4 59. Kg4 Nd3 60. f4 Nxb2 61. f5+ Kg7 62. f6+ Kg6 63. Kf4 Nd3+ 0-1

[Event "Florianopolis op 7th"]
[Site "Florianopolis"]
[Date "2021.01.23"]
[Round "8"]
[White "Kim, Andre"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "1/2-1/2"]
[ECO "C48"]
[WhiteElo "1081"]
[PlyCount "86"]
[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 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 5. d3 Ng4 6. 0-0 a6 7. Bxc6 dxc6 8. h3 h5 9. Qe2 Ba7 10. Bg5 f6 11. Be3 Nxe3 12. fxe3 g5 13. Nh2 Qe7 14. Rf2 g4 15. hxg4 hxg4 16. g3 Qh7 17. Kf1 Qh6 18. Nd1 Qh3+ 19. Rg2 f5 20. exf5 Bxf5 21. e4 Be6 22. Ke1 0-0-0 23. Nc3 Rdf8 24. Kd2 Qxg2 25. Qxg2 Rf2+ 26. Qxf2 Bxf2 27. Nf1 Rh3 28. Ne2 Rh1 29. Rd1 Bxa2 30. b3 a5 31. Ra1 b5 32. Kc3 a4 33. Kb2 axb3 34. cxb3 Bxb3 35. Kxb3 c5 36. Rb1 Kb7 37. Kc3 Bd4+ 38. Nxd4 cxd4+ 39. Kb3 c5 40. Nd2 Rh2 41. Re1 Rg2 42. Nf1 Rg1 43. Rc1 Kb6 1/2-1/2

[Event "Florianopolis op 7th"]
[Site "Florianopolis"]
[Date "2021.01.23"]
[Round "9"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Nagel, Yasmin Da Silva"]
[Result "0-1"]
[ECO "C54"]
[BlackElo "1354"]
[PlyCount "66"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 h6 6. Be3 Bb6 7. Nbd2 0-0 8. 0-0 d6 9. Bb3 Bg4 10. Qc2 Re8 11. Bc4 Na5 12. d4 Bxf3 13. gxf3 Nxc4 14. Nxc4 Nh5 15. Qd2 Qf6 16. Qd1 Nf4 17. Bxf4 Qxf4 18. Kh1 Re6 19. Rg1 Rf6 20. Rg3 c5 21. dxe5 dxe5 22. Nxb6 Rxb6 23. b3 Rf6 24. Qd7 b6 25. Qb7 Rd8 26. Rf1 Qd2 27. Qxa7 Qe2 28. Kg2 Rd3 29. Qb8+ Kh7 30. Qxe5 Rdxf3 31. a4 Rxf2+ 32. Rxf2 Rxf2+ 33. Kh1 Rf1+ 0-1

[Event "Florianopolis op 7th"]
[Site "Florianopolis"]
[Date "2021.01.22"]
[Round "7"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Casalaspro, Mathias Andre"]
[Result "0-1"]
[ECO "A31"]
[BlackElo "1425"]
[PlyCount "43"]
[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 c5 2. Nc3 d6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 Nc6 6. g3 Qb6 7. e3 e6 8. Be2 Be7 9. Nxc6 bxc6 10. 0-0 Bb7 11. Qb3 0-0 12. Rd1 Nd7 13. e4 Rab8 14. Be3 Nc5 15. Qa3 Ba6 16. Na4 Qb4 17. Qxb4 Rxb4 18. Nxc5 dxc5 19. Bxc5 Rxb2 20. Bxe7 Rb7 21. Rac1 Rxe7 22. e5 0-1

[Event "Florianopolis op 7th"]
[Site "Florianopolis"]
[Date "2021.01.21"]
[Round "6"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1190"]
[PlyCount "72"]
[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. c4 g6 3. Nc3 Bg7 4. Bf4 d6 5. e3 Bf5 6. Be2 Nbd7 7. Nf3 Nh5 8. Bg5 h6 9. Bh4 Bf6 10. Bxf6 Nhxf6 11. 0-0 e5 12. Bd3 e4 13. g4 Bxg4 14. Nxe4 Nxe4 15. Bxe4 Qf6 16. Rc1 Qe6 17. Bxb7 Bh3 18. Nh4 Bxf1 19. Bxa8 Bh3 20. Bg2 g5 21. Bxh3 Qxh3 22. Ng2 Nf6 23. Qa4+ Kf8 24. Qxa7 Ng4 25. Rc2 Qxh2+ 26. Kf1 Qh1+ 27. Ke2 Qxg2 28. Kd3 Nxf2+ 29. Kc3 Ne4+ 30. Kb3 Qf3 31. Kb4 c5+ 32. dxc5 dxc5+ 33. Kb5 Qxe3 34. Qb8+ Kg7 35. Qe5+ f6 36. Rc3 Nxc3+ 0-1

[Event "Florianopolis op 7th"]
[Site "Florianopolis"]
[Date "2021.01.21"]
[Round "5"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Purim, Kaiane"]
[Result "0-1"]
[ECO "C10"]
[BlackElo "1183"]
[PlyCount "92"]
[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 e6 3. d4 d5 4. Nc3 Nf6 5. Bb5+ Bd7 6. exd5 exd5 7. Bg5 Bxb5 8. Nxb5 c4 9. Qe2+ Be7 10. 0-0 Ne4 11. Bxe7 Qxe7 12. Rfe1 0-0 13. Nd2 Qd7 14. Nxe4 Qxb5 15. Nc3 Qa5 16. Qe7 Nc6 17. Qe3 Qb6 18. Nxd5 Qxb2 19. c3 Rfd8 20. Reb1 Qc2 21. Re1 Qf5 22. Ne7+ Nxe7 23. Qxe7 Qd3 24. Re3 Qc2 25. Rae1 h6 26. Qxb7 Qxa2 27. h3 Rab8 28. Qc7 a5 29. R3e2 Qa4 30. Re7 Rf8 31. R7e5 Ra8 32. Rb1 Qc2 33. Ra1 Qxc3 34. Raxa5 Rxa5 35. Rxa5 Qxd4 36. Ra4 Qd1+ 37. Kh2 Qxa4 38. g4 Qc2 39. Kg3 Qd3+ 40. f3 c3 41. h4 Re8 42. g5 h5 43. Kf4 Qe3+ 44. Kg3 Qe5+ 45. Qxe5 Rxe5 46. g6 c2 0-1

[Event "Florianopolis op 7th"]
[Site "Florianopolis"]
[Date "2021.01.20"]
[Round "4"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Buiar, Maria Eduarda Beral"]
[Result "0-1"]
[ECO "B90"]
[BlackElo "1344"]
[PlyCount "68"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be6 8. Bg5 Nbd7 9. Bd3 Be7 10. 0-0 0-0 11. Qe2 Rc8 12. Bxf6 Bxf6 13. Nd5 Bxd5 14. exd5 Re8 15. Rfe1 Nc5 16. Bf5 Rc7 17. Nd2 g6 18. Bg4 e4 19. b4 Bxa1 20. Rxa1 Qf6 21. Re1 e3 22. fxe3 Nd7 23. Bxd7 Rxd7 24. Nc4 b5 25. axb5 axb5 26. Na3 Rde7 27. Qd3 Qe5 28. e4 Qf4 29. g3 Qg4 30. Nxb5 Rxe4 31. Rxe4 Rxe4 32. Nxd6 Rd4 33. Qe3 Qd1+ 34. Kf2 Rd2+ 0-1

[Event "Florianopolis op 7th"]
[Site "Florianopolis"]
[Date "2021.01.19"]
[Round "2"]
[White "Franca, Jairo Jr"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1760"]
[PlyCount "84"]
[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 d5 2. Nf3 Nf6 3. Bf4 Bf5 4. e3 e6 5. Bd3 Bg6 6. Nbd2 Bd6 7. Ne5 Bxd3 8. cxd3 Nbd7 9. 0-0 0-0 10. Rc1 c5 11. Nxd7 Qxd7 12. Bxd6 Qxd6 13. dxc5 Qa6 14. Qb3 e5 15. a3 Rac8 16. d4 exd4 17. exd4 Rfe8 18. Rfe1 Qc6 19. Qd3 b6 20. b4 Qc7 21. h3 Nh5 22. Qf3 Nf4 23. Re3 g5 24. Rce1 Qc6 25. Qg4 h6 26. Nf3 Rxe3 27. fxe3 Nd3 28. Rd1 Nb2 29. Rf1 Nc4 30. Qh5 Nxe3 31. Ne5 Qe6 32. Qxf7+ Qxf7 33. Rxf7 bxc5 34. bxc5 Re8 35. Rxa7 Rc8 36. Rd7 Nc4 37. Rxd5 Nxa3 38. Rd7 Nb5 39. c6 Kf8 40. d5 Ke8 41. d6 Nxd6 42. Rxd6 Ke7 1-0

[Event "Florianopolis op 7th"]
[Site "Florianopolis"]
[Date "2021.01.19"]
[Round "3"]
[White "Melo, Sergio Roberto Samp"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "1691"]
[PlyCount "34"]
[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. Nf3 Nf6 2. b3 b6 3. Bb2 Bb7 4. c4 e6 5. g3 Bc5 6. Bg2 0-0 7. 0-0 d5 8. Ne5 Nc6 9. d4 Nxe5 10. dxc5 Ng6 11. cxb6 axb6 12. e3 Ra7 13. cxd5 Bxd5 14. Nc3 Bxg2 15. Kxg2 Qa8+ 16. Qf3 Qxf3+ 17. Kxf3 Ne5+ 1-0

[Event "Florianopolis op 7th"]
[Site "Florianopolis"]
[Date "2021.01.18"]
[Round "1"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Garcia, Claudio de Oliveira"]
[Result "1-0"]
[ECO "B18"]
[BlackElo "1433"]
[PlyCount "121"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Nc3 e6 6. Bf4 Qb6 7. b3 Bb4 8. Nge2 Nf6 9. a3 Be7 10. g3 0-0 11. Bg2 Nbd7 12. Na4 Qa5+ 13. Nac3 Nd5 14. b4 Nxc3 15. Nxc3 Qa6 16. Bf1 Qb6 17. Na4 Qd8 18. Bd3 Bxd3 19. Qxd3 Nf6 20. 0-0 Nd5 21. Bd2 Bf6 22. Nc5 b6 23. Ne4 Be7 24. c4 Nf6 25. Ng5 h6 26. Ne4 Nxe4 27. Qxe4 Bf6 28. Be3 Rc8 29. Qg4 Kh7 30. Rad1 Qe7 31. f4 g6 32. Qh3 g5 33. fxg5 Bxg5 34. Bxg5 Qxg5 35. Rf4 Rg8 36. Rxf7+ Rg7 37. Rxg7+ Kxg7 38. Qxe6 Rf8 39. Qxc6 Qe3+ 40. Kh1 Qe2 41. Qc7+ Rf7 42. Qe5+ Qxe5 43. dxe5 Re7 44. Rd5 h5 45. c5 bxc5 46. bxc5 Kg6 47. Kg2 Kf5 48. c6 Ke4 49. Rd7 Rxe5 50. Rxa7 Rc5 51. Re7+ Kf5 52. c7 Kf6 53. Rd7 Ke6 54. Rh7 Kf6 55. a4 h4 56. a5 hxg3 57. hxg3 Kg6 58. Rd7 Kg5 59. a6 Kg4 60. Rg7+ Kf5 61. a7 1-0

