[Event "Recife JEBS op"]
[Site "Recife"]
[Date "2024.09.30"]
[Round "6"]
[White "Vieira, Ivo Rizzo"]
[Black "Laia, Joao Lucas Almeida"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1775"]
[BlackElo "1800"]
[PlyCount "58"]
[EventDate "2024.09.28"]
[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 e5 2. Nf3 d6 3. Nc3 g6 4. Bc4 Bg7 5. d3 Nf6 6. Bg5 c6 7. a3 Nbd7 8. h3 Qc7 9. 0-0 Nc5 10. Be3 Ne6 11. Ng5 Nxg5 12. Bxg5 0-0 13. Kh1 Be6 14. Bxe6 fxe6 15. Qd2 d5 16. Rab1 Nh5 17. Ne2 Nf4 18. exd5 exd5 19. Nxf4 exf4 20. Rfe1 Rf7 21. f3 Bd4 22. c3 Be3 23. Qc2 Qd7 24. d4 Re8 25. Re2 Rf5 26. Bh4 Rh5 27. Be1 Rxh3+ 28. gxh3 Qxh3+ 29. Rh2 Qf1# 0-1

[Event "Recife JEBS op"]
[Site "Recife"]
[Date "2024.09.29"]
[Round "3"]
[White "Mangueira, Felipe Koury Masuad"]
[Black "Vieira, Ivo Rizzo"]
[Result "0-1"]
[ECO "C00"]
[BlackElo "1775"]
[PlyCount "59"]
[EventDate "2024.09.28"]
[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. c3 d5 3. Bd3 dxe4 4. Bxe4 Nf6 5. d3 Nxe4 6. dxe4 Qxd1+ 7. Kxd1 e5 8. Nf3 f6 9. Be3 Nd7 10. Nbd2 Bc5 11. Bxc5 Nxc5 12. Kc2 Be6 13. b4 Nd7 14. h3 c5 15. a3 b6 16. c4 0-0 17. a4 Rac8 18. Kc3 b5 19. Kb3 cxb4 20. Kxb4 bxc4 21. Kc3 Nc5 22. a5 Rfd8 23. Kc2 Nb3 24. Nxb3 cxb3+ 25. Kb1 Rd3 26. Nh4 Rd2 27. Nf5 Rc3 28. Ra3 Rcc2 29. Ne3 Rb2+ 30. Kc1 0-1

[Event "Recife JEBS op"]
[Site "Recife"]
[Date "2024.09.29"]
[Round "4"]
[White "Martins, Willian Alves"]
[Black "Vieira, Ivo Rizzo"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1826"]
[BlackElo "1775"]
[PlyCount "78"]
[EventDate "2024.09.28"]
[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. c3 d5 3. exd5 cxd5 4. d4 Bf5 5. Bd3 Bg6 6. Nf3 Nc6 7. 0-0 e6 8. Re1 Nf6 9. Bxg6 hxg6 10. Bf4 Bd6 11. Bg3 Ne4 12. Nbd2 Nxg3 13. fxg3 Qc7 14. Kf2 Rh5 15. c4 Kf8 16. c5 Be7 17. h3 b6 18. g4 Rh6 19. cxb6 Qxb6 20. Nb3 a5 21. Qd2 Bb4 22. Qf4 Bxe1+ 23. Rxe1 Qb8 24. Qc1 Nb4 25. Qb1 Qb5 26. Nc5 Rc8 27. Ne5 Kg8 28. a3 Nc6 29. Ned7 Nxd4 30. Qc1 Nb3 31. a4 Qxd7 32. Qxh6 Nxc5 33. Qe3 Ne4+ 34. Kg1 Qc7 35. Qe2 Qc5+ 36. Kh2 Qc7+ 37. Kg1 Qc2 38. Qf1 Qc4 39. Qxc4 Rxc4 0-1

[Event "Recife JEBS op"]
[Site "Recife"]
[Date "2024.09.29"]
[Round "5"]
[White "Vieira, Ivo Rizzo"]
[Black "Costa, Janio Pedro Teixeir"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "1775"]
[BlackElo "1653"]
[PlyCount "63"]
[EventDate "2024.09.28"]
[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. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bd3 Bxd3 8. Qxd3 Ngf6 9. c3 e6 10. Bd2 Qa5 11. 0-0 Bd6 12. a4 0-0 13. b4 Qc7 14. Rfe1 Rfd8 15. Bg5 h6 16. Bxf6 Nxf6 17. Ne4 Nd5 18. Nxd6 Qxd6 19. Ne5 Rac8 20. Qf3 Qe7 21. Re4 f5 22. Ree1 Qf6 23. Rac1 Rc7 24. Qg3 Rcd7 25. Ng6 Re8 26. Nf4 g5 27. Nd3 Rde7 28. Re5 Nb6 29. a5 Nc4 30. Re2 Nd6 31. f3 Nc4 32. Rce1 1-0

[Event "Recife JEBS op"]
[Site "Recife"]
[Date "2024.09.28"]
[Round "1"]
[White "De Oliveira, Tiago Augusto Adami"]
[Black "Vieira, Ivo Rizzo"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1741"]
[BlackElo "1775"]
[PlyCount "130"]
[EventDate "2024.09.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Bf5 4. cxd5 cxd5 5. Qb3 Bc8 6. Nc3 e6 7. Bf4 Nc6 8. e3 Nf6 9. Bd3 Be7 10. h3 a6 11. 0-0 0-0 12. Rfc1 Na5 13. Qd1 Nc4 14. Qe2 b5 15. b3 Na5 16. Qd2 Bb4 17. Qb2 Bd6 18. Ne2 Bb7 19. Rc3 b4 20. Rc2 Bxf4 21. Nxf4 Rc8 22. Rac1 Qd7 23. Ne5 Qe7 24. Rxc8 Rxc8 25. Rxc8+ Bxc8 26. Qc2 Qf8 27. Nc6 Nxc6 28. Qxc6 Qe8 29. Qb6 Nd7 30. Qxb4 Qd8 31. Qa4 a5 32. Qc6 Nb8 33. Qc2 h6 34. Ne2 Ba6 35. Nc1 Qd6 36. Bxa6 Nxa6 37. Nd3 Nb4 38. Qc5 Qxc5 39. Nxc5 Nxa2 40. Nb7 Kf8 41. Nxa5 Ke7 42. Nb7 Kd7 43. Kf1 Nc1 44. Nc5+ Kc6 45. Ke1 e5 46. Kd2 exd4 47. exd4 Na2 48. Kc2 f5 49. Nd3 Kb5 50. Kb2 Nb4 51. Nxb4 Kxb4 52. f4 g5 53. g3 gxf4 54. gxf4 Ka5 55. Kc2 Kb5 56. Kd3 Ka5 57. Kc3 h5 58. h4 Kb5 59. Kd3 Ka5 60. Kc2 Kb5 61. Kd3 Kb4 62. Kc2 Ka5 63. Kc1 Kb4 64. Kb2 Ka5 65. Ka3 Kb5 1-0

[Event "Recife JEBS op"]
[Site "Recife"]
[Date "2024.09.28"]
[Round "2"]
[White "Vieira, Ivo Rizzo"]
[Black "Falcao, Danilo Jose Ferreir"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1775"]
[BlackElo "1665"]
[PlyCount "45"]
[EventDate "2024.09.28"]
[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. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Nf6 6. Be2 Bb4 7. Bg5 h6 8. Bxf6 Qxf6 9. Ndb5 0-0 10. a3 Ba5 11. Qd2 d5 12. b4 Bb6 13. 0-0 a6 14. Nd6 Bd4 15. Rad1 Bxc3 16. Qd3 Rd8 17. Nxc8 Raxc8 18. exd5 Be5 19. c3 Rxd5 20. Qc2 Nd4 21. Qa2 Nxe2+ 22. Qxe2 Rcd8 23. Rc1 0-1

[Event "Brasilia JEBS op"]
[Site "Brasilia"]
[Date "2023.10.30"]
[Round "6"]
[White "Santos, Douglas Kaue Souza"]
[Black "Vieira, Ivo Rizzo"]
[Result "0-1"]
[ECO "C64"]
[WhiteElo "1800"]
[PlyCount "101"]
[EventDate "2023.10.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. Qe2 Nge7 5. 0-0 a6 6. Ba4 b5 7. Bb3 Nd4 8. Nxd4 Bxd4 9. c3 Bb6 10. Rd1 Nc6 11. Bd5 Ra7 12. d3 Qf6 13. Be3 Bb7 14. Na3 Ne7 15. Bxb7 Rxb7 16. Nc2 Ng6 17. d4 d6 18. Qg4 0-0 19. a4 c6 20. Nb4 c5 21. d5 cxb4 22. Rf1 bxc3 23. Bg5 h5 24. Qxh5 Nf4 25. Bxf4 exf4 26. bxc3 Qxc3 27. axb5 Qe5 28. Qf3 axb5 29. Rab1 Bc5 30. Qd3 Rfb8 31. Kh1 Qd4 32. Qf3 Qe5 33. Qd3 b4 34. Rb3 f6 35. h3 Re8 36. f3 Ra8 37. Rd1 Ra3 38. Rdb1 Qd4 39. Qxd4 Bxd4 40. Rxa3 bxa3 41. Rxb7 a2 42. Rb8+ Kh7 43. Ra8 a1Q+ 44. Rxa1 Bxa1 45. Kh2 Be5 46. h4 g5 47. hxg5 fxg5 48. Kh3 Kh6 49. Kg4 Kg6 50. Kh3 Kh5 51. Kh2 0-1

[Event "Brasilia JEBS op"]
[Site "Brasilia"]
[Date "2023.10.29"]
[Round "4"]
[White "Dos Santos, Matheus L Almeida A"]
[Black "Vieira, Ivo Rizzo"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1800"]
[PlyCount "61"]
[EventDate "2023.10.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bg4 6. Be2 h6 7. 0-0 e6 8. h3 Bh5 9. Be3 cxd4 10. cxd4 Qb6 11. Qd2 Nge7 12. Nc3 Bxf3 13. Bxf3 Nf5 14. Rad1 Nxe3 15. fxe3 Rb8 16. Rb1 Be7 17. a3 0-0 18. Ne2 Na5 19. Qd3 Rfc8 20. b4 Nc4 21. Ng3 a5 22. Rfc1 Ra8 23. Rc3 axb4 24. axb4 Bxb4 25. Rcb3 Ra4 26. Qc2 Rc7 27. Ne2 Qa5 28. Nc3 Na3 29. Qa2 Rxc3 30. Rxc3 Bxc3 31. Rb3 0-1

[Event "Brasilia JEBS op"]
[Site "Brasilia"]
[Date "2023.10.29"]
[Round "5"]
[White "Vieira, Ivo Rizzo"]
[Black "De Melo, Marcelo R Ferreira"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "1800"]
[PlyCount "84"]
[EventDate "2023.10.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. Nc3 g6 5. d3 Bg7 6. h3 Nc6 7. Be3 a6 8. a4 e6 9. Ba2 Qb6 10. Rb1 Nd7 11. Qd2 h6 12. 0-0 Qc7 13. Rfe1 Kf8 14. Rbd1 Qb6 15. Qc1 Nd4 16. Nd2 Qc6 17. Nb3 b5 18. axb5 axb5 19. Qb1 b4 20. Ne2 Nxc2 21. Qxc2 Rxa2 22. Nbd4 Qa6 23. Nxe6+ fxe6 24. Qc4 Qxc4 25. dxc4 Bxb2 26. Rxd6 Ra6 27. Red1 Rxd6 28. Rxd6 Ke7 29. Rc6 Bb7 30. Rc7 Rb8 31. Bxc5+ Kd8 32. Bd6 Be5 33. Rxd7+ Kxd7 34. Bxe5 Rc8 35. Nf4 Bxe4 36. f3 Bc2 37. Kf2 Rxc4 38. Ne2 b3 39. Bb2 Kd6 40. Nd4 e5 41. Nb5+ Kc5 42. Na3 Ra4 0-1

[Event "Brasilia JEBS op"]
[Site "Brasilia"]
[Date "2023.10.28"]
[Round "2"]
[White "Vieira, Ivo Rizzo"]
[Black "Carneiro, Gustavo Prado"]
[Result "0-1"]
[ECO "B31"]
[BlackElo "1800"]
[PlyCount "65"]
[EventDate "2023.10.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. c3 Bg7 6. d4 cxd4 7. cxd4 d6 8. Qa4 Bd7 9. Qd1 Nf6 10. e5 Nd5 11. 0-0 0-0 12. Nc3 Bg4 13. Nxd5 cxd5 14. Re1 Rb8 15. h3 Bxf3 16. Qxf3 dxe5 17. dxe5 e6 18. Rb1 Qa5 19. Qe2 Qxa2 20. Bf4 Rb4 21. Qd2 Rfb8 22. Ra1 Qc4 23. Bg3 Rxb2 24. Qc1 Rc2 25. Qd1 a6 26. Rxa6 Rbb2 27. Ra1 Re2 28. Ra4 Rxe1+ 29. Qxe1 Qxa4 30. Kh2 Qe4 31. Qc3 Rc2 32. Qa1 h6 33. f4 0-1

