[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2018.06.02"]
[Round "5"]
[White "Ferreira, Samuel Sousa"]
[Black "Dos Santos, Weverton Natan Ferr"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1815"]
[PlyCount "29"]
[EventDate "2018.05.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. g3 Bf5 4. Bg2 e6 5. 0-0 c5 6. c4 cxd4 7. cxd5 Nxd5 8. Nxd4 Bg6 9. Nc3 Nxc3 10. bxc3 Qc8 11. Qb3 Nc6 12. Qa4 Kd7 13. Nxc6 bxc6 14. Rd1+ Bd6 15. Ba3 1-0

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2018.06.02"]
[Round "6"]
[White "Ferreira, Samuel Sousa"]
[Black "Torres, Eduardo Lisboa"]
[Result "1/2-1/2"]
[ECO "E01"]
[WhiteElo "1815"]
[BlackElo "1921"]
[PlyCount "115"]
[EventDate "2018.05.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 c5 5. Bg2 Nc6 6. 0-0 Ne4 7. Nc3 cxd4 8. Nxd4 Nxc3 9. bxc3 Be7 10. cxd5 exd5 11. Qb3 Nxd4 12. cxd4 Be6 13. Qxb7 0-0 14. Bf4 Bf6 15. e3 Qa5 16. Rfc1 Rac8 17. Bc7 Qa3 18. Qb3 Qe7 19. Ba5 Rb8 20. Qd3 Rfc8 21. Rxc8+ Rxc8 22. a3 Qd7 23. Qb3 Be7 24. Bb4 Qb5 25. Bf1 Qb7 26. Qb1 Rb8 27. Bd3 Bxb4 28. axb4 Qxb4 29. Qxb4 Rxb4 30. Rxa7 g5 31. Kg2 Kg7 32. Rc7 Rb2 33. h3 h6 34. Rc5 Kf6 35. g4 Ra2 36. Rc7 Rb2 37. Bc2 Ra2 38. Bd1 Ra1 39. Bf3 Ra5 40. Kg3 Kg6 41. h4 Rb5 42. h5+ Kf6 43. Ra7 Kg7 44. Be2 Rb2 45. Bd3 Rb3 46. Be2 Rb2 47. Bf3 Rb5 48. Ra8 Kf6 49. Rd8 Ra5 50. e4 dxe4 51. Bxe4 Ra3+ 52. f3 Ra7 53. Kf2 Rd7 54. Rxd7 Bxd7 55. Ke3 Ke7 56. Kd3 Kd6 57. Kc4 f6 58. Kb4 1/2-1/2

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2018.06.01"]
[Round "3"]
[White "Ribeiro, Marcos Willian de S"]
[Black "Ferreira, Samuel Sousa"]
[Result "1-0"]
[ECO "C33"]
[WhiteElo "1964"]
[BlackElo "1815"]
[PlyCount "115"]
[EventDate "2018.05.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Bc4 Nf6 4. Nc3 c6 5. d4 d5 6. exd5 cxd5 7. Bb3 Bd6 8. Nge2 0-0 9. 0-0 f3 10. gxf3 Bh3 11. Rf2 Nc6 12. Nxd5 Nxd5 13. Bxd5 Qh4 14. f4 Rfe8 15. Ng3 Rad8 16. c3 Bc7 17. Bg2 Bg4 18. Qd3 Re6 19. Bd2 Rh6 20. Nf1 Ne7 21. Qg3 Qh5 22. Ne3 Rg6 23. Nxg4 Rxg4 24. Qf3 Qg6 25. Kh1 Nf5 26. Bh3 Rh4 27. Rg1 Qf6 28. Rg5 Nd6 29. Rfg2 g6 30. Qg3 Rh6 31. Re5 Nc4 32. Rf5 Qh4 33. Qxh4 Rxh4 34. Rc5 Bb6 35. Rxc4 Rxh3 36. Re2 Rd7 37. Rc8+ Kg7 38. Rce8 Kf6 39. Kg2 Rh5 40. R8e5 Rf5 41. Rxf5+ Kxf5 42. Re5+ Kf6 43. Be1 Bc7 44. Re4 Kf5 45. Kf3 h6 46. c4 g5 47. fxg5 hxg5 48. h4 f6 49. d5 Bf4 50. Re6 Rh7 51. hxg5 fxg5 52. Bc3 Rh3+ 53. Kg2 Kg4 54. d6 b6 55. d7 Rd3 56. Re7 Kf5 57. c5 bxc5 58. Ba5 1-0

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2018.06.01"]
[Round "4"]
[White "Silva, Rodrigo Souza"]
[Black "Ferreira, Samuel Sousa"]
[Result "1/2-1/2"]
[ECO "D01"]
[WhiteElo "1897"]
[BlackElo "1815"]
[PlyCount "36"]
[EventDate "2018.05.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 Nbd7 4. Qd2 h6 5. Bh4 e6 6. f3 Be7 7. e4 dxe4 8. fxe4 Nxe4 9. Bxe7 Nxd2 10. Bxd8 Nxf1 11. Bxc7 Ne3 12. Kd2 Nf5 13. Nf3 b6 14. g4 Ne7 15. Rhe1 Bb7 16. Re3 a6 17. Bd6 h5 18. h3 hxg4 1/2-1/2

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2018.05.31"]
[Round "2"]
[White "Ferreira, Samuel Sousa"]
[Black "Nogueira, Gilberto De Campos"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "1815"]
[PlyCount "25"]
[EventDate "2018.05.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 c5 4. c4 Nf6 5. 0-0 0-0 6. Nc3 d6 7. d4 Nc6 8. b3 cxd4 9. Nxd4 Nxd4 10. Qxd4 Ng4 11. Qd2 Qa5 12. Bb2 Qh5 13. h3 1/2-1/2

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2018.??.??"]
[Round "1"]
[White "Desideri, Ricardo Maruchi"]
[Black "Ferreira, Samuel Sousa"]
[Result "1-0"]
[ECO "C33"]
[WhiteElo "1953"]
[BlackElo "1815"]
[PlyCount "67"]
[EventDate "2018.05.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Bc4 Nf6 4. Nc3 d6 5. d4 Be7 6. Bxf4 0-0 7. Qd3 c6 8. Bb3 b5 9. a3 a5 10. Nge2 Ba6 11. Qf3 b4 12. axb4 axb4 13. Na4 d5 14. e5 Ne4 15. 0-0 Nd7 16. Rfe1 f5 17. exf6 Ndxf6 18. Ng3 Kh8 19. c3 Nxg3 20. hxg3 Ne4 21. Bc2 Nf6 22. Nb6 Ra7 23. Na4 Bb5 24. Nc5 Bxc5 25. dxc5 Rxa1 26. Rxa1 bxc3 27. bxc3 Re8 28. Bg5 Qe7 29. Qf5 Qxc5+ 30. Kh2 Qe7 31. Re1 Ng4+ 32. Kh3 Nf2+ 33. Kh4 g6 34. Rxe7 1-0

[Event "BRA-ch Amateur U1800"]
[Site "Sao Paulo"]
[Date "2017.10.15"]
[Round "7"]
[White "Ferreira, Samuel Sousa"]
[Black "Santos Neto, Amazonas"]
[Result "1-0"]
[ECO "E62"]
[BlackElo "1700"]
[PlyCount "65"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 c6 7. Nc3 Na6 8. e4 Bg4 9. Be3 Re8 10. h3 Bxf3 11. Bxf3 Nd7 12. Be2 Nc7 13. Rc1 Ne6 14. d5 Nec5 15. b4 Na6 16. a3 c5 17. b5 Nab8 18. f4 Nf8 19. e5 Nbd7 20. Bd3 dxe5 21. f5 Qc7 22. Ne4 b6 23. Qf3 Nf6 24. fxg6 fxg6 25. d6 Qd7 26. Rcd1 Ne6 27. dxe7 Nh5 28. Ng5 Qxe7 29. Nxe6 Qxe6 30. Be4 Rad8 31. Bd5 Rxd5 32. cxd5 Qxh3 33. Qf7+ 1-0

[Event "BRA-ch Amateur U1800"]
[Site "Sao Paulo"]
[Date "2017.10.14"]
[Round "5"]
[White "Ferreira, Samuel Sousa"]
[Black "Ritzel, Ricardo Agne"]
[Result "1/2-1/2"]
[ECO "E67"]
[BlackElo "1737"]
[PlyCount "69"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d6 2. Nf3 g6 3. g3 Bg7 4. Bg2 Nf6 5. c4 0-0 6. 0-0 Nbd7 7. Nc3 e5 8. dxe5 dxe5 9. b3 c6 10. Ba3 Re8 11. Rc1 Nh5 12. e4 Qa5 13. Bd6 Nf8 14. b4 Qd8 15. Qd3 Bg4 16. Rfd1 Ne6 17. c5 Nd4 18. Ne2 Nxf3+ 19. Bxf3 Bxf3 20. Qxf3 Qf6 21. Qxf6 Nxf6 22. Nc3 Rad8 23. f3 Rd7 24. Kf2 Nh5 25. Ke2 Red8 26. a4 f6 27. b5 Bf8 28. bxc6 bxc6 29. Bxf8 Kxf8 30. Rb1 Ng7 31. Rxd7 Rxd7 32. Rb8+ Kf7 33. a5 Ne6 34. Na4 Nd4+ 35. Ke3 1/2-1/2

[Event "BRA-ch Amateur U1800"]
[Site "Sao Paulo"]
[Date "2017.10.14"]
[Round "6"]
[White "Silva, Kaua Marques"]
[Black "Ferreira, Samuel Sousa"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1726"]
[PlyCount "62"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. 0-0 0-0 11. Bb3 Bg4 12. Qc2 Nf6 13. h3 Bh5 14. Qc5 Bg6 15. Rac1 Nd7 16. Qc3 Nb6 17. Rfd1 Nd5 18. Bxd5 Qxd5 19. Nc4 Rac8 20. Ne3 Qd6 21. Nc4 Qd5 22. b3 Rfd8 23. Ne3 Qd6 24. Ne5 Nxd4 25. Nxg6 hxg6 26. Kh1 c5 27. Rd2 Qf4 28. Qa5 Qc7 29. Qxa7 b6 30. Qxc7 Rxc7 31. Nc2 Rcd7 1/2-1/2

[Event "BRA-ch Amateur U1800"]
[Site "Sao Paulo"]
[Date "2017.10.13"]
[Round "4"]
[White "Ferreira, Samuel Sousa"]
[Black "De Paiva, Ricardo Carisio Bat"]
[Result "1-0"]
[ECO "D74"]
[BlackElo "1793"]
[PlyCount "107"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. c4 0-0 6. cxd5 Nxd5 7. 0-0 Nc6 8. Nc3 e6 9. e3 Nxc3 10. bxc3 e5 11. Ba3 Re8 12. Nd2 Ne7 13. Nc4 exd4 14. cxd4 Rb8 15. Rc1 Be6 16. Na5 b6 17. Bxe7 Rxe7 18. Nc6 Qe8 19. Nxe7+ Qxe7 20. Qc2 c5 21. dxc5 bxc5 22. Qxc5 Qxc5 23. Rxc5 Bxa2 24. Ra5 Bc4 25. Rc1 Be6 26. Rxa7 g5 27. Ra8 Rxa8 28. Bxa8 h5 29. Rd1 Bf6 30. Bd5 Bh3 31. Rb1 Be7 32. Rb7 Kf8 33. f4 gxf4 34. gxf4 Ke8 35. Bf3 h4 36. Kf2 Be6 37. Bc6+ Kd8 38. Kf3 Bc8 39. Ra7 f5 40. e4 fxe4+ 41. Bxe4 Bd7 42. f5 Bf6 43. Kg4 Ke8 44. h3 Kd8 45. Bd5 Ke8 46. Be6 Bxe6 47. fxe6 Be7 48. Kf5 Bd8 49. Kg6 Bb6 50. Rb7 Bd4 51. Rh7 Bf2 52. Kf5 Be1 53. e7 Bc3 54. Ke6 1-0

[Event "BRA-ch Amateur U1800"]
[Site "Sao Paulo"]
[Date "2017.10.13"]
[Round "3"]
[White "Resende, Lucas B Massucato"]
[Black "Ferreira, Samuel Sousa"]
[Result "1/2-1/2"]
[ECO "D87"]
[WhiteElo "1755"]
[PlyCount "74"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Ne2 c5 9. 0-0 Nc6 10. Be3 Bg4 11. f3 Na5 12. Bxf7+ Rxf7 13. fxg4 Rxf1+ 14. Qxf1 Qd7 15. dxc5 Qxg4 16. Qf3 Qd7 17. Bd4 e5 18. Bf2 Rf8 19. Qe3 Nc4 20. Qc1 Qd3 21. Qd1 Nd2 22. Ng3 Rd8 23. Qe1 Bh6 24. Qe2 Qxc3 25. Rd1 Qc2 26. Kh1 Rf8 27. Be1 Rd8 28. Nf1 Rd4 29. Nxd2 Kg7 30. Bg3 Rxd2 31. Bxe5+ Kg8 32. Rxd2 Bxd2 33. g3 Qxc5 34. Bb2 Bg5 35. Qd3 Qe3 36. Qd5+ Kf8 37. Qd6+ Kf7 1/2-1/2

[Event "BRA-ch Amateur U1800"]
[Site "Sao Paulo"]
[Date "2017.10.12"]
[Round "1"]
[White "De Oliveira, Rafaela Farias"]
[Black "Ferreira, Samuel Sousa"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1704"]
[PlyCount "70"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d3 d6 6. Bg5 h6 7. Bh4 g5 8. Bg3 0-0 9. Qd2 Nh5 10. h3 Nxg3 11. Re1 Nh5 12. a3 Be6 13. Bxe6 fxe6 14. c3 Qf6 15. Kh1 Nf4 16. Nh2 h5 17. b4 Bb6 18. a4 a6 19. Na3 Rf7 20. Nc4 Ba7 21. b5 Ne7 22. b6 Bxb6 23. Nxb6 cxb6 24. Qb2 Nxd3 25. Qxb6 Nxe1 26. Rxe1 Qxf2 27. Qb1 Raf8 28. Rg1 Ng6 29. Qd1 Nf4 30. g3 Ne2 31. Qe1 Nxg3+ 32. Rxg3 Qxe1+ 33. Rg1 Qxe4+ 34. Rg2 Rf2 35. Kg1 Qxg2# 0-1

[Event "BRA-ch Amateur U1800"]
[Site "Sao Paulo"]
[Date "2017.10.12"]
[Round "2"]
[White "Ferreira, Samuel Sousa"]
[Black "De Souza, Leonardo F Pereira"]
[Result "1-0"]
[ECO "D11"]
[BlackElo "1731"]
[PlyCount "57"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. g3 dxc4 5. Bg2 Bf5 6. 0-0 e6 7. Nbd2 c3 8. bxc3 Be7 9. Ne5 Nbd7 10. e4 Bg6 11. Rb1 Qc7 12. Nxg6 hxg6 13. Nc4 Nb6 14. Bf4 Qd8 15. Na5 Qd7 16. c4 c5 17. e5 Nh5 18. Bxb7 0-0 19. dxc5 Bxc5 20. Qxd7 Nxd7 21. Bxa8 Rxa8 22. Rfd1 Nxf4 23. gxf4 Nb6 24. Rb5 Be7 25. Nc6 Bh4 26. c5 Nd5 27. Rb8+ Rxb8 28. Nxb8 Nxf4 29. c6 1-0

