[Event "Blumenau U2400 op"]
[Site "Blumenau"]
[Date "2024.09.01"]
[Round "5"]
[White "De Oliveira, Otavio Tives"]
[Black "Ferreira, Gabriel Sofka Antun"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1800"]
[PlyCount "64"]
[EventDate "2024.08.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 e6 4. Bxc6 bxc6 5. d3 Nf6 6. Bf4 Be7 7. Nf3 0-0 8. 0-0 d6 9. e5 Nd5 10. exd6 Bxd6 11. Nxd5 cxd5 12. Bxd6 Qxd6 13. Re1 Rd8 14. Qe2 h6 15. Ne5 Re8 16. Rad1 Rb8 17. b3 Bb7 18. f3 Re7 19. c4 Rbe8 20. Qf2 f6 21. Ng6 Rd7 22. Qe3 d4 23. Qd2 e5 24. f4 Qe6 25. fxe5 fxe5 26. Nh4 Rf8 27. Nf3 Rdf7 28. Rxe5 Qg6 29. Kh1 Bxf3 30. gxf3 Rxf3 31. Rde1 Rf2 32. Qc1 Qg2# 0-1

[Event "Blumenau U2400 op"]
[Site "Blumenau"]
[Date "2024.09.01"]
[Round "6"]
[White "Hirakuri, Eduardo Kazuo"]
[Black "De Oliveira, Otavio Tives"]
[Result "0-1"]
[ECO "B12"]
[BlackElo "1800"]
[PlyCount "150"]
[EventDate "2024.08.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Nf3 Ne7 7. Nc3 Ng6 8. Bg5 Be7 9. Bxe7 Qxe7 10. Qe3 0-0 11. Qg5 f6 12. exf6 Rxf6 13. Ne5 h6 14. Qg3 Nxe5 15. Qxe5 Rf5 16. Qg3 Qb4 17. a3 Qxb2 18. Ra2 Qc1+ 19. Nd1 Rf4 20. 0-0 Rxd4 21. Qf3 Nd7 22. Ne3 Qd2 23. Rd1 Qc3 24. Rxd4 Qxd4 25. h3 Qf6 26. Ng4 Qxf3 27. gxf3 Rf8 28. Kg2 Nf6 29. Rb2 Nxg4 30. fxg4 b6 31. f3 d4 32. Rb3 c5 33. c4 Rd8 34. Kf2 d3 35. Ke1 Kf7 36. Kd2 Kf6 37. Rxd3 Rxd3+ 38. Kxd3 Ke5 39. Ke3 g5 40. Kf2 Kf4 41. a4 a5 42. Kg2 Ke3 43. Kg3 Kd3 44. f4 Kxc4 45. f5 Kd5 46. f6 Kd6 47. h4 c4 48. hxg5 hxg5 49. Kf3 e5 50. Ke4 Ke6 51. f7 Kxf7 52. Kf5 c3 53. Kxg5 c2 54. Kf5 c1Q 55. g5 Qc2+ 56. Kxe5 Qf2 57. Kd5 Qf5+ 58. Kd6 Qc5+ 59. Kd7 Qxg5 60. Kc7 Qf6 61. Kb7 b5 62. axb5 Qf3+ 63. Ka6 a4 64. b6 Qa8+ 65. Kb5 a3 66. Kc5 a2 67. Kb5 a1Q 68. Kc5 Q1a5+ 69. Kc4 Qxb6 70. Kd3 Qe8 71. Kc4 Qbd8 72. Kc5 Qdd7 73. Kb4 Qc7 74. Kb3 Qeb8+ 75. Ka2 Qca7# 0-1

[Event "Blumenau U2400 op"]
[Site "Blumenau"]
[Date "2024.08.31"]
[Round "2"]
[White "De Domingos, Dandara Sardagna"]
[Black "De Oliveira, Otavio Tives"]
[Result "0-1"]
[ECO "B11"]
[BlackElo "1800"]
[PlyCount "122"]
[EventDate "2024.08.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nc3 Bf5 6. a3 e6 7. d4 Bd6 8. Bc4 0-0 9. Bd2 Nbd7 10. Nh4 Be4 11. Nxe4 Nxe4 12. Be3 Qxh4 13. Qe2 Nef6 14. Qd2 Nb6 15. Bg5 Qe4+ 16. Be2 Nfd5 17. 0-0-0 f6 18. Bd3 Qg4 19. Rhg1 Qxg5 20. Qxg5 fxg5 21. Rge1 Rae8 22. Re2 Nf4 23. Re3 Nxd3+ 24. Rexd3 Rxf2 25. Rh3 Rxg2 26. Rd2 Rxd2 27. Kxd2 Nc4+ 28. Kc1 Bf4+ 29. Kb1 Ne3 30. b3 Ng4 31. Rd3 Nxh2 32. c4 g4 33. d5 exd5 34. cxd5 cxd5 35. Rxd5 g3 36. Rf5 Bb8 37. Rg5 Re1+ 38. Kc2 h5 39. Kd2 Re8 40. Rxh5 Nf3+ 41. Kc2 g2 42. Rf5 g1Q 43. Rxf3 Qc5+ 44. Rc3 Re2+ 45. Kd3 Qe3+ 46. Kc4 Qe4+ 47. Kb5 Qd5+ 48. Kb4 Bd6+ 49. Ka4 Qc6+ 50. Rxc6 bxc6 51. b4 g5 52. b5 cxb5+ 53. Kxb5 Bxa3 54. Ka6 Rb2 55. Kxa7 Bf8 56. Ka6 Kf7 57. Ka5 Ke6 58. Ka4 Kd5 59. Ka5 Kc6 60. Ka4 Kc5 61. Ka5 Ra2# 0-1

[Event "Blumenau U2400 op"]
[Site "Blumenau"]
[Date "2024.08.31"]
[Round "3"]
[White "De Oliveira, Otavio Tives"]
[Black "Da Silva, Bernardo Marques Ol"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1800"]
[BlackElo "1625"]
[PlyCount "82"]
[EventDate "2024.08.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Bb5+ Bd7 4. Bc4 Nf6 5. d3 e6 6. f4 Be7 7. Nf3 Bc6 8. 0-0 Nbd7 9. f5 exf5 10. exf5 d5 11. Bb3 0-0 12. Re1 Re8 13. Bf4 Qb6 14. Ng5 h6 15. Nf3 a5 16. a4 Rad8 17. Ne5 Nxe5 18. Bxe5 c4+ 19. Kh1 cxb3 20. cxb3 d4 21. Ne4 Nxe4 22. dxe4 Bb4 23. Rf1 Rxe5 24. f6 g6 25. Qf3 Rf5 26. Qh3 Rxf1+ 27. Rxf1 Bf8 28. Rf4 g5 29. Qg3 Qc7 30. Rg4 Qxg3 31. Rxg3 d3 32. h4 d2 33. hxg5 d1Q+ 34. Kh2 Bd6 35. gxh6+ Kh7 36. e5 Bxe5 37. b4 Bxg3+ 38. Kxg3 Bxg2 39. Kxg2 Rd3 40. Kf2 Qf3+ 41. Ke1 Rd1# 0-1

[Event "Blumenau U2400 op"]
[Site "Blumenau"]
[Date "2024.08.31"]
[Round "4"]
[White "Neuenfeld, Eduarda"]
[Black "De Oliveira, Otavio Tives"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1584"]
[BlackElo "1800"]
[PlyCount "79"]
[EventDate "2024.08.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Bf4 Bf5 4. e3 e6 5. c4 Bb4+ 6. Nbd2 0-0 7. Be2 Ne4 8. 0-0 Nc6 9. Rc1 Bg4 10. Nxe4 dxe4 11. Nd2 Bxe2 12. Qxe2 f5 13. a3 Bd6 14. Bg3 Bxg3 15. hxg3 e5 16. d5 Nb8 17. b4 Nd7 18. Rfd1 Nf6 19. Nb3 Qe7 20. c5 Rad8 21. Qc4 Kh8 22. a4 Rd7 23. b5 Rfd8 24. d6 cxd6 25. cxd6 Rxd6 26. Rxd6 Qxd6 27. Na5 Qd7 28. f3 exf3 29. gxf3 g5 30. Qc7 Qd2 31. Qc3 Qd7 32. Qxe5 Kg7 33. Rc7 Kg6 34. Rxd7 Rxd7 35. Nc4 Rd1+ 36. Kf2 Rd5 37. Qe7 Rd7 38. Ne5+ Kh5 39. Nxd7 Nxd7 40. Qxh7# 1-0

[Event "Blumenau U2400 op"]
[Site "Blumenau"]
[Date "2024.08.30"]
[Round "1"]
[White "De Oliveira, Otavio Tives"]
[Black "De Souza, Joao Francisco Biz"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1800"]
[BlackElo "1829"]
[PlyCount "98"]
[EventDate "2024.08.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 c6 5. Nf3 Bd6 6. Bd3 Ne7 7. 0-0 h6 8. Re1 0-0 9. h3 Bf5 10. Rxe7 Bxd3 11. Rxb7 Ba6 12. Rb3 Bc4 13. Rb7 Qc8 14. Rb3 Bxb3 15. axb3 Nd7 16. Ne2 Qc7 17. g3 Rfe8 18. Bf4 Nf6 19. Bxd6 Qxd6 20. Ne5 a5 21. Qd2 Ne4 22. Qe1 f6 23. Nd3 Ng5 24. h4 Nf3+ 25. Kf1 Nxe1 26. Rxe1 a4 27. bxa4 Rxa4 28. c3 Qe6 29. Nc5 Qh3+ 30. Kg1 Rxe2 31. Rf1 Ra2 32. Nd3 Qxf1+ 33. Kxf1 Rexb2 34. Nxb2 Rxb2 35. Kg2 Rc2 36. h5 Rxc3 37. f4 Rd3 38. f5 Rxd4 39. g4 Rxg4+ 40. Kf3 Rg5 41. Kf4 Rxh5 42. Kg4 Rg5+ 43. Kh4 d4 44. Kh3 d3 45. Kh2 d2 46. Kh3 d1Q 47. Kh2 Qg4 48. Kh1 Rxf5 49. Kh2 Rh5# 0-1

