[Event "Sao Paulo Haroldo Salles op"]
[White "Chi Haur, Wu"]
[Black "Ivo, Mauricio Menezes Ab"]
[Site "Sao Paulo"]
[Round "3.11"]
[Result "0-1"]
[Date "2019.05.10"]
[ECO "E61"]
[WhiteElo "1704"]
[PlyCount "58"]
[EventDate "2019.05.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bg5 0-0 5. e3 d6 6. Nf3 Nc6 7. a3 e5 8. d5 Ne4 9. h3 h6 10. Bh4 g5 11. Bg3 Ne7 12. Qc2 f5 13. h4 g4 14. Nd2 f4 15. exf4 exf4 16. Bh2 Nf5 17. Nb3 Qxh4 18. g3 fxg3 19. fxg3 Nfxg3 20. 0-0-0 Nxh1 21. Qg2 Nef2 22. Bg3 Qg5+ 23. Kb1 Rf3 24. Rd2 Bf5+ 25. Ka2 Bxc3 26. bxc3 Ne4 27. Rb2 Nxc3+ 28. Ka1 Nd1 29. Qd2 Qxd2 0-1

[Event "Sao Paulo Haroldo Salles op"]
[White "Ivo, Mauricio Menezes Ab"]
[Black "De Oliveira, Daniel C Xavier"]
[Site "Sao Paulo"]
[Round "4.12"]
[Result "1-0"]
[Date "2019.05.10"]
[ECO "A15"]
[BlackElo "1543"]
[PlyCount "111"]
[EventDate "2019.05.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. b3 Nf6 4. Bg2 Bd6 5. Nc3 dxc4 6. bxc4 0-0 7. Nf3 Nbd7 8. Nb5 Bc5 9. d4 c6 10. dxc5 cxb5 11. Qd4 bxc4 12. Qxc4 Qa5+ 13. Bd2 Qxc5 14. Qxc5 Nxc5 15. Bb4 b6 16. Ne5 Nd5 17. Rb1 Ba6 18. Bxc5 bxc5 19. Nd7 Rfc8 20. Kd2 Rc7 21. Rb8+ Rxb8 22. Nxb8 Bb5 23. Rb1 Rb7 24. a4 Bc6 25. Rxb7 Bxb7 26. Nd7 c4 27. e4 Nb6 28. Nc5 Bc6 29. a5 Nd7 30. Nxd7 Bxd7 31. Kc3 Bb5 32. Bf1 Bc6 33. f3 Kf8 34. Kxc4 Ke7 35. Kc5 Kd7 36. Bb5 Bxb5 37. Kxb5 Kc7 38. e5 Kb7 39. f4 a6+ 40. Kc5 Kc7 41. g4 f6 42. f5 exf5 43. gxf5 fxe5 44. Kd5 Kd7 45. Kxe5 Ke7 46. h4 h5 47. Ke4 Kd6 48. Kf4 Ke7 49. Kg5 Kf7 50. Kxh5 Kf6 51. Kg4 Ke5 52. Kg5 Ke4 53. Kg6 Kf4 54. h5 Ke5 55. Kxg7 Kxf5 56. h6 1-0

[Event "Sao Paulo Haroldo Salles op"]
[White "Gabriel, Claudiomar"]
[Black "Ivo, Mauricio Menezes Ab"]
[Site "Sao Paulo"]
[Round "1.19"]
[Result "1-0"]
[Date "2019.05.09"]
[ECO "A00"]
[WhiteElo "1637"]
[PlyCount "127"]
[EventDate "2019.05.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d3 d5 2. Nd2 e5 3. g3 Nf6 4. Bg2 Bc5 5. e3 Nc6 6. Ngf3 e4 7. Ng1 Bg4 8. Ne2 Bb4 9. d4 Qd7 10. a3 Bd6 11. c4 Bh3 12. 0-0 b6 13. cxd5 Ne7 14. Nc4 Nexd5 15. Ne5 Bxe5 16. dxe5 Bxg2 17. Kxg2 Ng4 18. b4 0-0-0 19. Qd4 Qf5 20. Qc4 Nxe5 21. Qa6+ Kd7 22. Nd4 Qf6 23. Bb2 Ke7 24. Rac1 c5 25. bxc5 Nc7 26. Qxa7 Rd7 27. cxb6 Nb5 28. Qa4 Nxd4 29. Bxd4 Qf3+ 30. Kg1 Nd3 31. Bc5+ Nxc5 32. Rxc5 Rhd8 33. Re5+ Kf8 34. Qxe4 Qxe4 35. Rxe4 Rd3 36. a4 Ra3 37. b7 Rb3 38. Ra1 Rxb7 39. Rc4 Ra8 40. a5 Ra6 41. Kg2 Rb5 42. Rca4 Ke7 43. h4 Kd6 44. g4 Kc5 45. f4 Rb3 46. Kf3 Kb5 47. Rd4 Re6 48. Re4 Ka6 49. Rxe6+ fxe6 50. f5 exf5 51. gxf5 g6 52. fxg6 hxg6 53. Rg1 Kxa5 54. Rxg6 Rb1 55. h5 Rh1 56. h6 Kb5 57. Ke4 Kc5 58. Ke5 Rh5+ 59. Kf6 Kd6 60. e4 Ra5 61. h7 Ra8 62. Rg8 Ra1 63. Rd8+ Kc7 64. h8Q 1-0

[Event "Sao Paulo Haroldo Salles op"]
[White "Ivo, Mauricio Menezes Ab"]
[Black "Amaral, Danilo Tokechi"]
[Site "Sao Paulo"]
[Round "2.20"]
[Result "1-0"]
[Date "2019.05.09"]
[ECO "A34"]
[BlackElo "1407"]
[PlyCount "111"]
[EventDate "2019.05.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c5 3. Nf3 d5 4. cxd5 Nxd5 5. Nc3 Nc6 6. Bg2 Nc7 7. 0-0 Rb8 8. a4 e5 9. d3 Be7 10. Be3 0-0 11. Nd2 Be6 12. Rc1 Qd7 13. Nb5 Nxb5 14. axb5 Nd4 15. Bxd4 cxd4 16. Qa4 a6 17. Ra1 axb5 18. Qa7 Rfc8 19. Rfc1 f6 20. Ne4 Rxc1+ 21. Rxc1 Rc8 22. Nc5 Qc7 23. Nxe6 Qxc1+ 24. Bf1 Kf7 25. Qa2 Kg6 26. Qd5 Qc6 27. Qb3 Qd6 28. f4 Rc6 29. e4 dxe3 30. f5+ Kxf5 31. g4+ Kg6 32. Bg2 Qxe6 33. Be4+ Kf7 34. Bd5 Bc5 35. Bxe6+ Rxe6 36. Kf1 Ke7 37. Qxb5 b6 38. Ke2 Rd6 39. b4 Bd4 40. Qc4 Rd7 41. Qg8 Kd6 42. Qxh7 Ra7 43. Qg8 Ra1 44. Qxg7 Ra2+ 45. Kf3 Rf2+ 46. Kg3 e2 47. Qf8+ Kc6 48. Qe8+ Kb7 49. Qd7+ Ka6 50. Qc8+ Kb5 51. Qc4+ Ka4 52. b5+ Ka3 53. Qc1+ Kb3 54. Qc4+ Kb2 55. Qxd4+ exd4 56. Kxf2 1-0

