[Event "Araraquara op"]
[Site "Araraquara"]
[Date "2023.02.21"]
[Round "6.33"]
[White "De Oliveira, Valdo Chaves"]
[Black "Pinho, Pedro Sicchiroli"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1678"]
[BlackElo "1371"]
[PlyCount "79"]
[EventDate "2023.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. c3 Bg4 6. Be2 e6 7. 0-0 cxd4 8. cxd4 Nge7 9. Be3 Nf5 10. Nc3 Be7 11. Rc1 Nxe3 12. fxe3 0-0 13. h3 Bxf3 14. Bxf3 a6 15. a3 Rc8 16. b4 b5 17. Qd3 f6 18. exf6 Rxf6 19. Bg4 Qd6 20. Rxf6 Bxf6 21. Ne2 Bg5 22. Rd1 Rf8 23. e4 Ne7 24. Nc3 Bf4 25. Bf3 Bh2+ 26. Kh1 Bf4 27. exd5 Nxd5 28. Bxd5 exd5 29. Qf3 Qg6 30. Nxd5 Bd6 31. Qb3 Kh8 32. Qe3 Re8 33. Qf3 Rf8 34. Qg4 Qf7 35. Ne3 Qf2 36. Qe4 Qg3 37. Ng4 h5 38. Qg6 hxg4 39. Qh5+ Kg8 40. Qd5+ 1/2-1/2

[Event "Araraquara op"]
[Site "Araraquara"]
[Date "2023.02.21"]
[Round "5.34"]
[White "Viveiros, Anderson Felipe"]
[Black "De Oliveira, Valdo Chaves"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "1800"]
[BlackElo "1678"]
[PlyCount "74"]
[EventDate "2023.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 Nf6 6. Be3 d6 7. h3 Bd7 8. Qd2 a6 9. Bh6 0-0 10. Bxg7 Kxg7 11. f4 e5 12. Nge2 b5 13. 0-0 b4 14. Nd1 Nd4 15. Nxd4 cxd4 16. Qxb4 Qc7 17. Qd2 Nh5 18. Kh2 Rac8 19. c3 exf4 20. gxf4 f5 21. cxd4 fxe4 22. dxe4 Qc2 23. Qxc2 Rxc2 24. Rf2 Rfc8 25. Rxc2 Rxc2 26. Ne3 Rxb2 27. Rc1 Bb5 28. Rc7+ Kg8 29. e5 dxe5 30. fxe5 Nf4 31. Rc2 Rb4 32. a4 Bd3 33. Rd2 Nxg2 34. Kxg2 Be4+ 35. Kf2 Kf8 36. Ng4 Rc4 37. Nf6 h5 1-0

[Event "Araraquara op"]
[Site "Araraquara"]
[Date "2023.02.20"]
[Round "4.20"]
[White "De Oliveira, Valdo Chaves"]
[Black "Ferreira, Gabriel Duque"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "1678"]
[BlackElo "1923"]
[PlyCount "75"]
[EventDate "2023.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. c3 Nf6 5. d3 Bg7 6. 0-0 0-0 7. Be3 d6 8. h3 Bd7 9. Nbd2 a6 10. Ba4 b5 11. Bc2 e5 12. d4 cxd4 13. cxd4 Nh5 14. dxe5 Nxe5 15. Nxe5 Bxe5 16. Rb1 Qf6 17. Nf3 Bxb2 18. e5 Bxe5 19. Nxe5 Qxe5 20. Bd4 Qg5 21. Be3 Qe7 22. Re1 Be6 23. g4 Ng7 24. Bh6 Qh4 25. Bxg7 Kxg7 26. Qd4+ Qf6 27. Qxd6 Bxa2 28. Qxf6+ Kxf6 29. Ra1 Bc4 30. f4 a5 31. Re5 a4 32. Be4 Rae8 33. Rxe8 Rxe8 34. Bf3 Re3 35. Kf2 Rc3 36. h4 h5 37. f5 gxf5 38. gxf5 0-1

[Event "Araraquara op"]
[Site "Araraquara"]
[Date "2023.02.20"]
[Round "3.39"]
[White "Lohmann, Edipo Luiz"]
[Black "De Oliveira, Valdo Chaves"]
[Result "0-1"]
[ECO "A39"]
[BlackElo "1678"]
[PlyCount "40"]
[EventDate "2023.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. h3 Bg7 5. Nge2 0-0 6. g3 c5 7. Bg2 Nc6 8. 0-0 a6 9. d4 cxd4 10. Nxd4 Bd7 11. Nxc6 Bxc6 12. Rb1 Qc8 13. Nd5 Nxd5 14. exd5 Bd7 15. Kh2 Qxc4 16. b3 Qb5 17. Be3 Rac8 18. Qd2 Bf5 19. Rbd1 Rc2 20. Qe1 Re2 0-1

[Event "Araraquara op"]
[Site "Araraquara"]
[Date "2023.02.19"]
[Round "2.21"]
[White "De Oliveira, Valdo Chaves"]
[Black "Raimundo, Airton Carlos Nunes"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1678"]
[BlackElo "1971"]
[PlyCount "102"]
[EventDate "2023.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. c3 Qb6 6. a3 c4 7. Be2 Na5 8. Nbd2 Bd7 9. 0-0 0-0-0 10. Rb1 Nb3 11. Nxb3 Ba4 12. Be3 Bxb3 13. Qd2 a5 14. Bd1 a4 15. Qe1 h6 16. Bxb3 axb3 17. Nd2 Ne7 18. f4 h5 19. Nf3 Nf5 20. Bf2 Be7 21. h4 f6 22. Qe2 Rh6 23. Rfe1 Kd7 24. Nh2 Rdh8 25. Nf3 Rg6 26. a4 Ra8 27. Ra1 Ra5 28. Kh2 Nh6 29. Kh1 Ng4 30. Bg1 Rh6 31. f5 exf5 32. exf6 Qxf6 33. Ng5 Ra6 34. Qf3 Rd6 35. Re2 Qf8 36. Rae1 Bxg5 37. hxg5 Rh8 38. Re5 g6 39. Rxd5 Qf7 40. Rb5 Kc8 41. Rc5+ Kb8 42. Qf4 Rhd8 43. a5 Ka8 44. Qf1 Rc6 45. Rb5 Qc7 46. d5 Qg3 47. Qf3 Qh4+ 48. Qh3 Qxe1 49. Qf3 Qh4+ 50. Qh3 Nf2+ 51. Bxf2 Qxf2 0-1

[Event "Araraquara op"]
[Site "Araraquara"]
[Date "2023.02.19"]
[Round "1.54"]
[White "Guandalini, Caio Rodolpho"]
[Black "De Oliveira, Valdo Chaves"]
[Result "0-1"]
[ECO "B56"]
[BlackElo "1678"]
[PlyCount "36"]
[EventDate "2023.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 d6 7. Be3 Be7 8. Qd2 Be6 9. Bb5 0-0 10. h4 Qa5 11. h5 Rfd8 12. Ng5 d5 13. Nxe6 fxe6 14. Bxc6 bxc6 15. Bg5 d4 16. Ne2 Bb4 17. c3 dxc3 18. bxc3 Rxd2 0-1

[Event "Guaira op 2nd"]
[Site "Guaira"]
[Date "2016.11.06"]
[Round "6"]
[White "Da Silva, Darley Donizetti"]
[Black "De Oliveira, Valdo Chaves"]
[Result "1/2-1/2"]
[ECO "B33"]
[WhiteElo "1853"]
[BlackElo "1800"]
[PlyCount "91"]
[EventDate "2016.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 0-0 12. Nc2 Bg5 13. g3 Rb8 14. Bg2 g6 15. 0-0 Be6 16. Nce3 Bxe3 17. Nxe3 a5 18. Nd5 Bxd5 19. Qxd5 Ne7 20. Qd3 Qb6 21. Rad1 Rfd8 22. Rd2 Qc5 23. Rfd1 Rb6 24. a3 b4 25. axb4 axb4 26. Rc2 bxc3 27. bxc3 Rc6 28. Rdc1 Nc8 29. Bf1 d5 30. exd5 Rxd5 31. Qe2 Rcd6 32. Kg2 e4 33. Qxe4 Re5 34. Qf3 Rde6 35. Bd3 Nd6 36. Rf1 Kg7 37. Rcc1 Rf6 38. Qg4 h5 39. Qd4 Qxd4 40. cxd4 Rd5 41. Rfd1 Rxd4 42. Be2 Rxd1 43. Rxd1 Ne4 44. Rf1 Rd6 45. Rd1 Rxd1 46. Bxd1 1/2-1/2

[Event "Guaira op 2nd"]
[Site "Guaira"]
[Date "2016.11.06"]
[Round "5"]
[White "De Oliveira, Valdo Chaves"]
[Black "Ferreira, Jonas de Vargas"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1800"]
[BlackElo "1734"]
[PlyCount "115"]
[EventDate "2016.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 cxd4 7. cxd4 Bd7 8. b4 Nge7 9. Be3 Nf5 10. Bd3 Nfxd4 11. Nxd4 Nxd4 12. 0-0 a5 13. Nc3 axb4 14. Nb5 Bxb5 15. Bxd4 Bc5 16. Bxb5+ Qxb5 17. Bxc5 Qxc5 18. axb4 Qc8 19. Rc1 Qd7 20. Qd4 0-0 21. Rc3 Rfc8 22. Rfc1 b6 23. Rxc8+ Rxc8 24. Rxc8+ Qxc8 25. g3 Qc6 26. h4 g6 27. h5 gxh5 28. Qd2 Qc7 29. Qg5+ Kh8 30. Qxh5 Qe7 31. Qg4 f6 32. Qd4 fxe5 33. Qxe5+ Kg8 34. Qb8+ Kf7 35. Qxb6 e5 36. b5 d4 37. Qc6 d3 38. Qf3+ Ke6 39. Qxd3 Qd6 40. Qb3+ Qd5 41. Qxd5+ Kxd5 42. Kg2 e4 43. Kf1 Kc5 44. Ke2 Kxb5 45. Ke3 Kc5 46. Kxe4 Kd6 47. Kf5 Ke7 48. Kg5 Kf7 49. Kh6 Kg8 50. g4 Kh8 51. f4 Kg8 52. g5 Kh8 53. Kh5 Kg7 54. f5 Kf7 55. f6 Kf8 56. Kh6 Kg8 57. f7+ Kxf7 58. Kxh7 1-0

[Event "Guaira op 2nd"]
[Site "Guaira"]
[Date "2016.11.05"]
[Round "4"]
[White "Cruz, Cesar Fernando dos"]
[Black "De Oliveira, Valdo Chaves"]
[Result "1-0"]
[ECO "A38"]
[WhiteElo "1792"]
[BlackElo "1800"]
[PlyCount "99"]
[EventDate "2016.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 c5 6. 0-0 Nc6 7. d3 e5 8. Be3 d6 9. Qc1 Ng4 10. Bd2 f5 11. Ng5 Ne7 12. Nd5 Nf6 13. Nxf6+ Bxf6 14. Rb1 h6 15. Nf3 g5 16. Bc3 Bd7 17. h4 Nc6 18. hxg5 hxg5 19. Nd2 Qe7 20. Bd5+ Be6 21. Bxe6+ Qxe6 22. Kg2 Kf7 23. Rh1 Rh8 24. Nf3 Kg6 25. Qc2 Nd4 26. Bxd4 cxd4 27. Rxh8 Rxh8 28. Rh1 Rxh1 29. Kxh1 g4 30. Nd2 Bg5 31. Nf1 f4 32. Qd1 Kf7 33. Nh2 b6 34. Qa4 a5 35. Qc6 e4 36. Qb7+ Kg6 37. gxf4 Bxf4 38. Qxe4+ Qxe4+ 39. dxe4 Bxh2 40. Kxh2 Kf6 41. Kg3 Ke5 42. Kxg4 Kxe4 43. Kg5 a4 44. Kf6 d3 45. exd3+ Kf3 46. Kf5 Kxf2 47. Ke4 Ke2 48. b4 Kd2 49. d4 Kc3 50. c5 1-0

[Event "Guaira op 2nd"]
[Site "Guaira"]
[Date "2016.11.05"]
[Round "2"]
[White "De Oliveira, Valdo Chaves"]
[Black "Da Silva, Hermes Ludovino"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "1800"]
[BlackElo "1488"]
[PlyCount "55"]
[EventDate "2016.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Bd6 4. 0-0 Nge7 5. c3 a6 6. Ba4 0-0 7. d3 Re8 8. Nbd2 b5 9. Bc2 b4 10. Re1 Ng6 11. Nf1 Nce7 12. d4 c6 13. Ng3 f6 14. Nf5 Nxf5 15. exf5 Ne7 16. dxe5 Bc5 17. exf6 gxf6 18. Bh6 d5 19. Nd4 Kh8 20. Ne6 Bxe6 21. fxe6 Qb6 22. Qf3 Ng8 23. Re2 Ra7 24. Rae1 Ree7 25. Bf8 Rec7 26. e7 Bxe7 27. Rxe7 c5 28. Bg7# 1-0

[Event "Guaira op 2nd"]
[Site "Guaira"]
[Date "2016.11.05"]
[Round "3"]
[White "De Oliveira, Valdo Chaves"]
[Black "Nunes, Guilherme Sacardo T"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "1800"]
[BlackElo "1392"]
[PlyCount "49"]
[EventDate "2016.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Nf3 Nc6 8. c3 0-0 9. Bd3 e5 10. Nxf6+ Qxf6 11. 0-0 Bg4 12. Be4 Rad8 13. h3 Bh5 14. d5 Rfe8 15. Qe2 Ne7 16. Rad1 Nc8 17. g4 Bg6 18. Bxg6 Qxg6 19. Rfe1 e4 20. Nh4 Qg5 21. Nf5 Re5 22. Qe3 Qg6 23. f4 Rxf5 24. Qxe4 Rf6 25. Qe8+ 1-0

[Event "Guaira op 2nd"]
[Site "Guaira"]
[Date "2016.11.04"]
[Round "1"]
[White "Resende, Lucas B Massucato"]
[Black "De Oliveira, Valdo Chaves"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "1688"]
[BlackElo "1800"]
[PlyCount "111"]
[EventDate "2016.11.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Nxe7 Nxe7 11. Bxf6 gxf6 12. Qf3 Ng6 13. 0-0-0 0-0 14. Qd3 Bb7 15. f3 Qa5 16. Qxd6 Rad8 17. Qc5 Rxd1+ 18. Kxd1 Nf4 19. Bd3 Rd8 20. Qc3 Qa4 21. Kd2 Rc8 22. Qb3 Qd4 23. Rf1 Nxg2 24. Kc1 Nf4 25. Kb1 f5 26. Nxb5 axb5 27. Qxb5 Bc6 28. Qa6 Rb8 29. b3 fxe4 30. fxe4 Bxe4 31. Bxe4 Qxe4 32. Rg1+ Ng6 33. Qd6 Rc8 34. Qd2 Kg7 35. a4 Rb8 36. Ka2 Rc8 37. Kb1 Qc6 38. h4 Kh8 39. Rg4 Qf3 40. Qd7 Qc3 41. Qf5 e4 42. Qxe4 f5 43. Qxf5 Rf8 44. Qd3 Qe1+ 45. Kb2 Qe5+ 46. Qc3 Qxc3+ 47. Kxc3 Rf3+ 48. Kb4 Ne5 49. Re4 Nc6+ 50. Kc5 Rf6 51. b4 Kg7 52. b5 Na5 53. Kb4 Nb7 54. Re7+ Rf7 55. Rxf7+ Kxf7 56. a5 1-0

