[Event "Sao Paulo Sampa op"]
[Site "Sao Paulo"]
[Date "2024.02.02"]
[Round "6"]
[White "Alvarenga, Rogerio Almeida"]
[Black "Branquinho, Eduardo de Medeiro"]
[Result "1/2-1/2"]
[ECO "A48"]
[BlackElo "1815"]
[PlyCount "49"]
[EventDate "2024.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB06_2024"]
[SourceDate "2024.02.07"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.07"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Be2 0-0 5. h3 d6 6. Nf3 c5 7. c3 Qb6 8. Qb3 Be6 9. Qc2 cxd4 10. exd4 Bf5 11. Qc1 Nc6 12. Nbd2 Rac8 13. Nc4 Qc7 14. 0-0 Nd5 15. Bh2 b5 16. Ne3 Nxe3 17. Qxe3 b4 18. Rac1 bxc3 19. Rxc3 Qd7 20. Bb5 Qb7 21. Bxc6 Rxc6 22. Rxc6 Qxc6 23. Qxe7 d5 24. Ne5 Qb6 25. Qc5 1/2-1/2

[Event "Sao Paulo Sampa op"]
[Site "Sao Paulo"]
[Date "2024.02.01"]
[Round "5"]
[White "Damasio, Fabio Ferreira"]
[Black "Alvarenga, Rogerio Almeida"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1291"]
[PlyCount "106"]
[EventDate "2024.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB06_2024"]
[SourceDate "2024.02.07"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.07"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. Nf3 Nc6 6. 0-0 Bg4 7. c3 e6 8. Re1 Bd6 9. Nbd2 Qc7 10. Be2 0-0 11. h3 Bh5 12. a4 a5 13. Ne5 Bxe2 14. Qxe2 Rfe8 15. Ndf3 Ne4 16. Ng5 Nxg5 17. Bxg5 Bxe5 18. dxe5 Nxe5 19. Bf4 f6 20. Bxe5 Qxe5 21. Qxe5 fxe5 22. Rxe5 Rad8 23. Rd1 Rd6 24. Rd2 Red8 25. Rd4 h6 26. h4 Rc8 27. g4 b6 28. h5 Rc4 29. Rxc4 dxc4 30. Re2 Kf7 31. Kf1 Rd1+ 32. Re1 Rxe1+ 33. Kxe1 Kf6 34. Ke2 Kg5 35. Kf3 e5 36. Kg3 e4 37. f4+ exf3 38. Kxf3 Kh4 39. Kf4 Kh3 40. g5 Kh4 41. gxh6 gxh6 42. Kf3 Kxh5 43. Kf4 Kh4 44. Kf3 Kh3 45. Kf2 h5 46. Kf3 h4 47. Kf2 Kg4 48. Kg2 h3+ 49. Kh2 Kh4 50. Kh1 Kg3 51. Kg1 h2+ 52. Kh1 Kh3 53. b4 cxb3 0-1

[Event "Sao Paulo Sampa op"]
[Site "Sao Paulo"]
[Date "2024.01.30"]
[Round "2"]
[White "De Menezes, Ricardo Fagner Dias"]
[Black "Alvarenga, Rogerio Almeida"]
[Result "1-0"]
[ECO "E02"]
[WhiteElo "1695"]
[PlyCount "83"]
[EventDate "2024.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB06_2024"]
[SourceDate "2024.02.07"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.07"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. Nc3 dxc4 7. Qa4 Bd7 8. Qxc4 Bc6 9. 0-0 Nbd7 10. Bg5 Rc8 11. Rfd1 Nd5 12. Bxe7 Qxe7 13. Ne5 Nxe5 14. dxe5 Nb6 15. Qf4 Bxg2 16. Kxg2 Rfd8 17. h4 Rxd1 18. Rxd1 Rd8 19. Rxd8+ Qxd8 20. h5 Nd5 21. Qd2 Qe7 22. Nxd5 exd5 23. Qxd5 c6 24. Qd6 Qxd6 25. exd6 Kf8 26. e4 f6 27. f4 Ke8 28. e5 Kd7 29. Kf3 Ke6 30. Ke4 b6 31. Kd4 a6 32. Kc4 a5 33. a3 g6 34. hxg6 hxg6 35. Kb3 b5 36. a4 f5 37. Kc3 bxa4 38. Kc4 Kd7 39. Kc5 a3 40. bxa3 a4 41. e6+ Kd8 42. Kxc6 1-0

[Event "Sao Paulo Sampa op"]
[Site "Sao Paulo"]
[Date "2024.01.29"]
[Round "1"]
[White "Alvarenga, Rogerio Almeida"]
[Black "Yasuda, Osvaldo Makoto"]
[Result "1-0"]
[ECO "A45"]
[BlackElo "1318"]
[PlyCount "67"]
[EventDate "2024.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB06_2024"]
[SourceDate "2024.02.07"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.07"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 e6 3. e3 Nc6 4. c3 d5 5. Bd3 Bd6 6. Bg3 Ne4 7. Bxd6 Nxd6 8. Nf3 f5 9. 0-0 g5 10. Nbd2 Qf6 11. b4 a6 12. Nb3 b6 13. Nfd2 Bb7 14. a4 h5 15. a5 g4 16. axb6 cxb6 17. Qe2 b5 18. Nc5 Ke7 19. Nxb7 Nxb7 20. Bxb5 axb5 21. Qxb5 Rxa1 22. Qxb7+ Kd6 23. Rxa1 Rb8 24. Qa6 Qd8 25. b5 Rb6 26. Qa3+ Kd7 27. bxc6+ Rxc6 28. Qa4 Qc7 29. c4 dxc4 30. Nxc4 Ke7 31. Qb4+ Kf6 32. Qf8+ Kg5 33. Qg8+ Kf6 34. Ra8 1-0

