[Event "BRA-ch sf"]
[Site "Pelotas"]
[Date "1965.??.??"]
[Round "5"]
[White "Dobrowolski, Silvio"]
[Black "Machado Vieira, Americo"]
[Result "1-0"]
[ECO "B21"]
[PlyCount "73"]
[EventDate "1965.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d3 4. Bxd3 d6 5. Nd2 Nf6 6. Ne2 Nc6 7. 0-0 a6 8. Nf3 Bg4 9. Ng3 Ne5 10. Be2 Nxf3+ 11. Bxf3 Bxf3 12. Qxf3 g6 13. Bf4 e5 14. Bg5 Bg7 15. Rad1 h6 16. Bxf6 Bxf6 17. Rd5 Be7 18. Rfd1 Qb6 19. b3 0-0 20. h4 Rad8 21. h5 Kh7 22. R1d3 Rc8 23. Qg4 Rcd8 24. Nf1 Bg5 25. Rh3 f5 26. hxg6+ Kxg6 27. Qh5+ Kg7 28. Ng3 fxe4 29. Nxe4 Rf5 30. c4 Kf8 31. c5 dxc5 32. Nxg5 Rxd5 33. Nh7+ Ke7 34. Qxf5 Rd6 35. Qxe5+ Kd7 36. Nf8+ Kc7 37. Rd3 1-0

[Event "BRA-ch sf"]
[Site "Pelotas"]
[Date "1965.??.??"]
[Round "7"]
[White "Machado Vieira, Americo"]
[Black "Feiges, Osias"]
[Result "1-0"]
[ECO "C90"]
[PlyCount "82"]
[EventDate "1965.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 d6 8. c3 Na5 9. Bc2 c5 10. d3 0-0 11. Nbd2 Qc7 12. Nf1 Bd7 13. Ne3 h6 14. h3 Nc6 15. g4 Nh7 16. Nf5 Bxf5 17. gxf5 Qd8 18. Kh2 Ng5 19. Rg1 Nxf3+ 20. Qxf3 Kh7 21. Qh5 Bf6 22. Bb3 Ra7 23. Be3 Qe7 24. Rg2 Rh8 25. Bd5 Rc7 26. Rag1 Qf8 27. Rg6 Ne7 28. Bxf7 Rg8 29. Bxh6 gxh6 30. Bxg8+ Nxg8 31. Rxg8 Qf7 32. R8g6 Qf8 33. Rg8 Qf7 34. Qg6+ Qxg6 35. R1xg6 Bg5 36. Ra8 Bc1 37. b3 Bd2 38. c4 bxc4 39. dxc4 a5 40. Rxd6 Bc3 41. Rad8 h5 1-0

[Event "BRA-ch sf"]
[Site "Pelotas"]
[Date "1965.??.??"]
[Round "9"]
[White "Machado Vieira, Americo"]
[Black "Goizutis, Jeronimo"]
[Result "1/2-1/2"]
[ECO "C90"]
[PlyCount "45"]
[EventDate "1965.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 Na5 9. Bc2 c5 10. d3 0-0 11. Nbd2 Re8 12. Nf1 Bf8 13. Ne3 g6 14. h3 Bg7 15. Qe2 Bb7 16. a3 Qe7 17. b4 cxb4 18. axb4 Nc6 19. Nd5 Nxd5 20. exd5 Nb8 21. Bb3 Qc7 22. Bb2 Nd7 23. Qd2 1/2-1/2

[Event "BRA-ch sf"]
[Site "Pelotas"]
[Date "1965.??.??"]
[Round "4"]
[White "Machado Vieira, Americo"]
[Black "Peixoto, Carlos"]
[Result "0-1"]
[ECO "B80"]
[PlyCount "98"]
[EventDate "1965.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 b5 7. a3 Bb7 8. Bg2 Nf6 9. 0-0 Nc6 10. Nb3 Be7 11. Be3 d6 12. f4 0-0 13. g4 Nd7 14. g5 Rfd8 15. Qg4 b4 16. Ne2 Nb6 17. Rf3 Nc4 18. Bf2 N6e5 19. fxe5 Nxe5 20. Qf4 Nxf3+ 21. Bxf3 bxa3 22. bxa3 a5 23. c3 e5 24. Qe3 a4 25. Nd2 Ba6 26. Ng3 g6 27. Rc1 Qc5 28. Qxc5 dxc5 29. Be3 c4 30. Ra1 Rd3 31. Ngf1 Rxc3 32. Nb1 Rb3 33. Bd1 Rbb8 34. Bxa4 Bb7 35. Bc2 Bc6 36. Bc1 h6 37. gxh6 Bc5+ 38. Be3 Bd4 39. Ra2 c3 40. Bxd4 exd4 41. Ng3 Bb5 42. Ra1 Bc4 43. a4 Rb2 44. Na3 d3 45. Nxc4 dxc2 46. Rc1 Rxa4 47. Ne3 Rb1 48. Ne2 Rxc1+ 49. Nxc1 Ra1 0-1

[Event "BRA-ch sf"]
[Site "Pelotas"]
[Date "1965.??.??"]
[Round "2"]
[White "Machado Vieira, Americo"]
[Black "Trois, Francisco R Torres"]
[Result "1/2-1/2"]
[ECO "E72"]
[PlyCount "48"]
[EventDate "1965.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 0-0 6. g3 Nc6 7. Bg2 e5 8. d5 Na5 9. b3 Ne8 10. 0-0 a6 11. Be3 Qe7 12. Qd2 Bd7 13. Rac1 b6 14. Kh1 Nf6 15. Bg5 Nb7 16. Rce1 b5 17. f4 b4 18. Nd1 Nc5 19. Nc1 a5 20. Nd3 Nxd3 21. Qxd3 h6 22. fxe5 Qxe5 23. Bxf6 Bxf6 24. Qf3 Bg7 1/2-1/2

[Event "BRA-ch sf"]
[Site "Pelotas"]
[Date "1965.??.??"]
[Round "3"]
[White "Mecking, Henrique"]
[Black "Machado Vieira, Americo"]
[Result "1-0"]
[ECO "B95"]
[PlyCount "71"]
[EventDate "1965.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Bc4 Be7 8. Qd2 Qc7 9. Bb3 Nc6 10. 0-0 0-0 11. f3 Na5 12. g4 Nxb3 13. cxb3 Bd7 14. Rac1 Bc6 15. Be3 Nd7 16. b4 Qd8 17. a4 Ne5 18. Qe2 d5 19. b5 axb5 20. axb5 Be8 21. exd5 exd5 22. Nf5 Bb4 23. Bd4 Ng6 24. Bxg7 Qb6+ 25. Bd4 Nf4 26. Qe5 Nh3+ 27. Kg2 f6 28. Qxd5+ Rf7 29. Qxf7+ Bxf7 30. Bxb6 Nf4+ 31. Kg3 Bxc3 32. Kxf4 Be5+ 33. Ke3 Re8 34. Kf2 Re6 35. Bc7 Bxb2 36. Rce1 1-0

[Event "BRA-ch sf"]
[Site "Pelotas"]
[Date "1965.??.??"]
[Round "1"]
[White "Silveira Filho, Neri da Silva"]
[Black "Machado Vieira, Americo"]
[Result "0-1"]
[ECO "B95"]
[PlyCount "84"]
[EventDate "1965.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Be2 Be7 8. 0-0 Qc7 9. Qd2 Bd7 10. Rad1 0-0 11. f4 Nc6 12. Kh1 Rac8 13. Rf3 Nxd4 14. Qxd4 Bc6 15. Rg3 e5 16. Qf2 Nxe4 17. Nxe4 Bxe4 18. Bxe7 Qxe7 19. c3 Qf6 20. Rf1 exf4 21. Qxf4 Qxf4 22. Rxf4 Rce8 23. h3 Bd5 24. Bc4 Re4 25. Rxe4 Bxe4 26. Re3 d5 27. Bb3 b5 28. Kg1 g6 29. Re2 Kg7 30. Kf2 Kf6 31. a4 Ke5 32. axb5 axb5 33. Bc2 f5 34. Bd3 Rb8 35. Ke3 b4 36. c4 d4+ 37. Kf2 b3 38. Kg3 Ra8 39. Kh4 Ra1 40. Rd2 Bxd3 41. Rxd3 Ke4 42. Rxb3 d3 0-1

[Event "BRA-ch sf"]
[Site "Pelotas"]
[Date "1965.??.??"]
[Round "8"]
[White "Stenzel, Erbo"]
[Black "Machado Vieira, Americo"]
[Result "1-0"]
[ECO "A03"]
[PlyCount "99"]
[EventDate "1965.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 c5 3. e3 Nc6 4. b3 Nf6 5. Bb2 Bg4 6. Be2 Bxf3 7. Bxf3 e6 8. 0-0 Bd6 9. Nc3 a6 10. a3 Qc7 11. Qe1 Ne7 12. Qf2 0-0 13. g4 Nd7 14. Rae1 Nb6 15. Ne2 f6 16. Ng3 e5 17. Bd1 exf4 18. exf4 Ng6 19. Nh5 d4 20. d3 Nd5 21. Bc1 Rae8 22. Bf3 Ne3 23. Bxe3 dxe3 24. Bd5+ Kh8 25. Rxe3 c4 26. Rxe8 Rxe8 27. bxc4 Bxa3 28. Rb1 b6 29. Ra1 Qd6 30. Re1 Re7 31. Kf1 Rxe1+ 32. Qxe1 Qb8 33. Kg2 Bd6 34. f5 Nf4+ 35. Nxf4 Bxf4 36. h3 Qe5 37. Qxe5 Bxe5 38. Kf3 g6 39. Ke4 Kg7 40. d4 Bc7 41. Be6 Kf8 42. Kd5 Ke7 43. Kc6 Kd8 44. d5 b5 45. c5 b4 46. d6 Ba5 47. Kb7 b3 48. cxb3 Bb4 49. Kc6 g5 50. Kd5 1-0

[Event "BRA-ch sf"]
[Site "Pelotas"]
[Date "1965.??.??"]
[Round "6"]
[White "Vilela, Jandimar"]
[Black "Machado Vieira, Americo"]
[Result "1-0"]
[ECO "B90"]
[PlyCount "131"]
[EventDate "1965.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 Nc6 7. Nde2 e6 8. 0-0 Be7 9. b3 Qc7 10. Bb2 b5 11. a3 Bb7 12. Qd2 Rd8 13. Nf4 Ne5 14. Rac1 0-0 15. Qe2 d5 16. Nh5 Nfg4 17. Ng3 d4 18. Nb1 Qb6 19. h3 Nxd3 20. cxd3 Nh6 21. Rfe1 Bg5 22. Nd2 e5 23. Rc2 Rc8 24. Rec1 Rxc2 25. Rxc2 Rc8 26. Nf3 Bf6 27. Bc1 Rc3 28. Rxc3 dxc3 29. Qc2 b4 30. axb4 Qxb4 31. Ne2 a5 32. Qxc3 Ba6 33. Qxb4 axb4 34. Ne1 Bc8 35. Bd2 Be7 36. Nc2 f5 37. f3 fxe4 38. dxe4 Bc5+ 39. Kf1 Be6 40. Nc1 Nf7 41. Bxb4 Bb6 42. Bc3 Kf8 43. Nb4 Ba5 44. Nd5 Bxc3 45. Nxc3 Ke7 46. Ke2 Nd8 47. Kd2 Nc6 48. Na4 Kd6 49. Kc3 Nd4 50. b4 Kc6 51. Nc5 Bf7 52. N5b3 Nb5+ 53. Kb2 Bc4 54. Na5+ Kd7 55. Nxc4 Ke6 56. Nd3 Nd4 57. Ncxe5 Ne2 58. Kb3 Kd6 59. b5 Kc7 60. Kb4 Kb6 61. Nc4+ Kc7 62. Kc5 Nc3 63. b6+ Kb7 64. Nd6+ Kb8 65. Nb4 Na4+ 66. Kb5 1-0

