[Event "Paulista-ch final"]
[Site "Itapetininga"]
[Date "2009.10.04"]
[Round "6"]
[White "Horta, Marcio Rodrigues"]
[Black "Rigos, Marcos Machado"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "1896"]
[BlackElo "2012"]
[PlyCount "38"]
[EventDate "2009.10.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 Bb4 6. Nf3 c5 7. a3 cxd4 8. axb4 dxc3 9. bxc3 Qc7 10. Bd2 a5 11. Bd3 Nc6 12. Nd4 Nxd4 13. cxd4 b6 14. 0-0 0-0 15. f5 exf5 16. Bxf5 Re8 17. Bxh7+ Kf8 18. Qh5 Nxe5 19. dxe5 Qxe5 1-0

[Event "Paulista-ch final"]
[Site "Itapetininga"]
[Date "2009.10.04"]
[Round "5"]
[White "Lima, Valdenicio Marcelin"]
[Black "Rigos, Marcos Machado"]
[Result "1/2-1/2"]
[ECO "D04"]
[BlackElo "2012"]
[PlyCount "98"]
[EventDate "2009.10.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 g6 4. b3 Bg7 5. Bb2 Nbd7 6. Nbd2 0-0 7. Bd3 b6 8. 0-0 Bb7 9. h3 Ne4 10. c4 e6 11. Rc1 f5 12. Ba3 Re8 13. cxd5 exd5 14. Bb5 a6 15. Bc6 Bxc6 16. Rxc6 Nb8 17. Rc2 Nd7 18. Nxe4 fxe4 19. Nd2 Rc8 20. Qe2 Nb8 21. Rfc1 c6 22. Qg4 Qf6 23. Qg3 Qe6 24. Bd6 Nd7 25. b4 a5 26. bxa5 bxa5 27. Nb3 a4 28. Nc5 Nxc5 29. Bxc5 Qd7 30. Ba3 Re6 31. Qg4 Qf7 32. Qe2 Qa7 33. Qb5 Rb8 34. Qc5 Qa6 35. Qc3 Bf8 36. Rb2 Rbe8 37. Bxf8 Rxf8 38. Qc5 Ref6 39. Rcc2 Kg7 40. Qb6 Qd3 41. Rxc6 Qd1+ 42. Kh2 Rxf2 43. Rxf2 Rxf2 44. Rc7+ Kh6 45. Qb7 Rxg2+ 46. Kxg2 Qe2+ 47. Kg1 Qe1+ 48. Kg2 Qe2+ 49. Kg1 Qe1+ 1/2-1/2

[Event "Paulista-ch final"]
[Site "Itapetininga"]
[Date "2009.10.03"]
[Round "4"]
[White "Rigos, Marcos Machado"]
[Black "Gomez, Gustavo Pizzocaro"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2012"]
[BlackElo "2176"]
[PlyCount "100"]
[EventDate "2009.10.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 c5 2. d3 Nc6 3. f4 d6 4. Nf3 g6 5. c3 Bg7 6. Be2 Nf6 7. Na3 Rb8 8. Nc2 0-0 9. Ne3 b5 10. 0-0 b4 11. Bd2 a5 12. Rb1 d5 13. Ne5 Bb7 14. Nxc6 Bxc6 15. e5 Nd7 16. d4 e6 17. a3 cxd4 18. cxd4 Qb6 19. axb4 Qxd4 20. Qc1 axb4 21. Rd1 Rfc8 22. Bc3 Qxf4 23. Rd4 Qxe5 24. Rxb4 Qd6 25. Rxb8 Rxb8 26. Bxg7 Kxg7 27. Qd2 Qb4 28. Qc2 Qd4 29. Kf2 Qf4+ 30. Bf3 d4 31. Qxc6 Qxe3+ 32. Kg3 Ne5 33. Qe4 Nxf3 34. gxf3 Qxe4 35. fxe4 e5 36. b4 f5 37. Kf3 Rb5 38. Rb3 Kf6 39. h4 Ke6 40. Rb2 Kd6 41. Rb1 Rb7 42. h5 Rc7 43. exf5 gxf5 44. Kg3 Kd5 45. b5 Rb7 46. Kh4 Rb6 47. Kg5 f4 48. Kf5 f3 49. Rb2 e4 50. Kf4 Rf6+ 0-1

[Event "Paulista-ch final"]
[Site "Itapetininga"]
[Date "2009.10.03"]
[Round "3"]
[White "Rigos, Marcos Machado"]
[Black "Schutt, Ricardo de Amorim"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "2012"]
[BlackElo "2136"]
[PlyCount "20"]
[EventDate "2009.10.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nc6 6. Be3 cxd4 7. Nxd4 Nxd4 8. Qxd4 Qxd4 9. Bxd4 Nf6 10. Nd2 Bd7 1/2-1/2

[Event "Paulista-ch final"]
[Site "Itapetininga"]
[Date "2009.10.02"]
[Round "1"]
[White "Rigos, Marcos Machado"]
[Black "Matsuura, Everaldo"]
[Result "0-1"]
[ECO "D47"]
[WhiteElo "2012"]
[BlackElo "2483"]
[PlyCount "66"]
[EventDate "2009.10.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. d4 e6 5. Nc3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bb3 a6 9. Qc2 c5 10. 0-0 Bb7 11. Ne5 Rc8 12. Qe2 Qb6 13. Nxd7 Nxd7 14. dxc5 Nxc5 15. Bc2 b4 16. Na4 Qc6 17. Qf3 Qxf3 18. gxf3 Bxf3 19. Bd2 Ne4 20. Bxe4 Bxe4 21. Rfc1 Rd8 22. Be1 Bf3 23. Rc4 a5 24. Rac1 Bd6 25. Nc5 h5 26. Ne4 Be5 27. Nd2 Bd5 28. Rc5 Bxb2 29. R1c2 Bc3 30. Rxa5 Rh6 31. Kf1 Rg6 32. a3 Bxd2 33. Bxd2 Be4 0-1

[Event "Paulista-ch final"]
[Site "Itapetininga"]
[Date "2009.10.02"]
[Round "2"]
[White "Venelli, Luiz Gonzaga"]
[Black "Rigos, Marcos Machado"]
[Result "0-1"]
[ECO "A02"]
[BlackElo "2012"]
[PlyCount "152"]
[EventDate "2009.10.02"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 d6 3. e3 e6 4. b3 c5 5. Bb2 Be7 6. Bd3 Nc6 7. 0-0 0-0 8. Nc3 Nb4 9. Be2 a6 10. a3 Nbd5 11. Qe1 b5 12. Ng5 Bb7 13. Bf3 Qc7 14. Qg3 h6 15. Nge4 Nxc3 16. Nxc3 d5 17. Ne2 Ne8 18. Be5 Bd6 19. Bb2 Be7 20. Be5 Qd8 21. Qh3 Bc8 22. c4 Ra7 23. cxd5 exd5 24. Bg4 f5 25. Bf3 Nf6 26. Rac1 Qa5 27. Nc3 d4 28. Nd5 Qxa3 29. exd4 Nxd5 30. Bxd5+ Kh7 31. Qg3 g6 32. Qe3 cxd4 33. Bxd4 Rd7 34. Bc6 Rdd8 35. Rfe1 Bf6 36. Bxf6 Rxf6 37. Qb6 Qd6 38. Qa7+ Kg8 39. Qe7 Rdf8 40. Qe3 Be6 41. d4 Bf7 42. Bf3 Re6 43. Qd3 Qxf4 44. g3 Qg5 45. Rcd1 Rd6 46. Re5 Qf6 47. Qe3 Kg7 48. d5 Rc8 49. Re7 Kg8 50. Qa7 Rc3 51. Kg2 f4 52. Rf1 Rc2+ 53. Kh3 Kf8 54. Be4 Rxh2+ 55. Kxh2 fxg3+ 56. Kg2 Qxe7 57. Qd4 Kg8 58. Bf3 Qf6 59. Qd2 Kg7 60. Rh1 h5 61. Rf1 Qe5 62. Re1 Qf5 63. Qb2+ Qf6 64. Qd2 Qd8 65. Rf1 Bxd5 66. Bxd5 Rxd5 67. Qb2+ Kh6 68. Qc1+ Qg5 69. Qc8 Qd2+ 70. Kxg3 Rg5+ 71. Kf3 Rf5+ 72. Kg3 Rxf1 73. Qh8+ Kg5 74. Qe5+ Rf5 75. Qe7+ Kh6 76. b4 Qf2+ 0-1

[Event "Paulista Interclub-chT"]
[Site "Sao Paolo"]
[Date "2009.03.07"]
[Round "6"]
[White "Rigos, Marcos Machado"]
[Black "Silva, Diogo Angeli"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2012"]
[BlackElo "1796"]
[PlyCount "66"]
[EventDate "2009.02.28"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. e5 c5 4. f4 Nc6 5. Nf3 Nge7 6. c3 Ng6 7. Be2 Be7 8. Na3 a6 9. Nc2 0-0 10. h4 Nxh4 11. g3 Nf5 12. Kf2 f6 13. d4 fxe5 14. Nxe5 Nxe5 15. dxe5 d4 16. Bf3 Rb8 17. Be4 dxc3 18. Qh5 h6 19. bxc3 c4 20. Qg6 Bc5+ 21. Kg2 Bd7 22. Rxh6 Nxh6 23. Qh7+ Kf7 24. Bg6+ Ke7 25. Qxg7+ Nf7 26. Qf6+ Ke8 27. Qg7 Bc6+ 28. Kh3 Qd1 29. Be3 Qf3 30. Bxc5 Qg2+ 31. Kh4 Qh2+ 32. Kg4 Qe2+ 33. Kh4 Qh2+ 1/2-1/2

[Event "Paulista Interclub-chT"]
[Site "Sao Paolo"]
[Date "2009.03.07"]
[Round "5"]
[White "Rodrigo da Silva, Edson"]
[Black "Rigos, Marcos Machado"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "2038"]
[BlackElo "2012"]
[PlyCount "71"]
[EventDate "2009.02.28"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. d4 Nc6 2. Nf3 d5 3. c4 e6 4. Nc3 Nf6 5. Bg5 Bb4 6. e3 h6 7. Bh4 g5 8. Bg3 Ne4 9. Qc2 Nxg3 10. hxg3 Bd7 11. a3 Bxc3+ 12. Qxc3 Qf6 13. b4 g4 14. Nd2 Ne7 15. Bd3 0-0-0 16. c5 Ng6 17. b5 e5 18. Nb3 c6 19. a4 Rde8 20. Be2 h5 21. Qa5 Kb8 22. b6 axb6 23. cxb6 Qd6 24. Nc5 Kc8 25. Qa8+ Qb8 26. Qxb8+ Kxb8 27. Nxd7+ Kc8 28. Nc5 exd4 29. exd4 Re7 30. Kd2 Rhe8 31. Rae1 f5 32. Bd3 Rxe1 33. Rxe1 Re4 34. Bxe4 dxe4 35. Rh1 h4 36. Rxh4 1-0

[Event "Sao Paulo-ch 6th leg"]
[Site "Sao Paulo"]
[Date "2002.??.??"]
[Round "3"]
[White "Rigos, Marcos Machado"]
[Black "Pereira, Jorge Anacleto Vive"]
[Result "0-1"]
[ECO "E65"]
[WhiteElo "1987"]
[BlackElo "2120"]
[PlyCount "66"]
[EventDate "2002.08.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 c5 7. Nc3 Na6 8. Bf4 cxd4 9. Nb5 e5 10. Bg5 h6 11. Bc1 Nc7 12. e3 Nxb5 13. cxb5 d3 14. e4 Nxe4 15. Qxd3 d5 16. Nh4 Nf6 17. Be3 Be6 18. Qd2 g5 19. Nf3 d4 20. Bxg5 hxg5 21. Qxg5 Nh7 22. Qh5 f6 23. Nh4 Qd7 24. Rfc1 Rac8 25. Ng6 Rfe8 26. Be4 Ng5 27. Rxc8 Qxc8 28. Bg2 Bg4 29. Bd5+ Be6 30. Bg2 Nh3+ 31. Kh1 Nxf2+ 32. Kg1 Nh3+ 33. Kh1 Qd7 0-1

[Event "World Amateur-ch"]
[Site "Bento Goncalves"]
[Date "2001.12.13"]
[Round "9.9"]
[White "Born, Carlos Rodrigo"]
[Black "Rigos, Marcos Machado"]
[Result "1/2-1/2"]
[ECO "C41"]
[PlyCount "25"]
[EventDate "2001.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 d6 4. Bc4 Be7 5. 0-0 0-0 6. h3 h6 7. Re1 Re8 8. d4 Nbd7 9. dxe5 dxe5 10. a3 c6 11. Be3 Qc7 12. Qe2 Nf8 13. Rad1 1/2-1/2

[Event "World Amateur-ch"]
[Site "Bento Goncalves"]
[Date "2001.12.12"]
[Round "8.6"]
[White "Rigos, Marcos Machado"]
[Black "Tasoko, Toshinobu"]
[Result "0-1"]
[ECO "B83"]
[PlyCount "30"]
[EventDate "2001.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 Be7 7. 0-0 Nc6 8. Ndb5 a6 9. Na3 b5 10. Bf3 Ne5 11. Ne2 Nxf3+ 12. gxf3 Bb7 13. c4 Qd7 14. Be3 e5 15. Ng3 g6 0-1

[Event "World Amateur-ch"]
[Site "Bento Goncalves"]
[Date "2001.12.11"]
[Round "7.5"]
[White "Moraes, Nelson da Silva"]
[Black "Rigos, Marcos Machado"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "29"]
[EventDate "2001.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 Nd7 4. Nf3 e6 5. Bd3 Ngf6 6. 0-0 e5 7. dxe5 dxe5 8. Bg5 Qc7 9. Nbd2 Be7 10. Nh4 0-0 11. Nf5 Re8 12. Qe2 a6 13. a4 Nf8 14. Ne3 Ne6 15. Nf3 1/2-1/2

[Event "World Amateur-ch"]
[Site "Bento Goncalves"]
[Date "2001.12.11"]
[Round "6.5"]
[White "Rigos, Marcos Machado"]
[Black "Benggawan, Amanda"]
[Result "1/2-1/2"]
[ECO "E12"]
[PlyCount "34"]
[EventDate "2001.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Bg5 Be7 5. e3 Bb7 6. Bd3 d5 7. 0-0 0-0 8. b3 Nbd7 9. Nbd2 Ne4 10. Bxe7 Qxe7 11. Qc2 Ndf6 12. Ne5 Nxd2 13. Qxd2 dxc4 14. bxc4 c5 15. Qb2 Be4 16. Bxe4 Nxe4 17. Rac1 Rac8 1/2-1/2

[Event "World Amateur-ch"]
[Site "Bento Goncalves"]
[Date "2001.12.10"]
[Round "5.8"]
[White "Correia Filho, Pedro"]
[Black "Rigos, Marcos Machado"]
[Result "0-1"]
[ECO "C07"]
[PlyCount "38"]
[EventDate "2001.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 Nc6 5. Bb5 cxd4 6. exd5 Qxd5 7. c4 Qxg2 8. Qf3 Qxf3 9. Ngxf3 Bd7 10. 0-0 0-0-0 11. Nb3 d3 12. Bxc6 Bxc6 13. Ne5 Nh6 14. Nxc6 bxc6 15. Bxh6 gxh6 16. Rfd1 Rg8+ 17. Kf1 Rg4 18. Nd2 Bd6 19. h3 Rh4 0-1

[Event "World Amateur-ch"]
[Site "Bento Goncalves"]
[Date "2001.12.09"]
[Round "4"]
[White "Elwin, Adrian G"]
[Black "Rigos, Marcos Machado"]
[Result "1/2-1/2"]
[ECO "B38"]
[PlyCount "41"]
[EventDate "2001.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. d4 c5 4. Nc3 cxd4 5. Nxd4 Bg7 6. e4 d6 7. Be2 0-0 8. 0-0 Nbd7 9. Be3 Ne5 10. h3 Bd7 11. Rc1 Qc8 12. Nd5 Re8 13. f4 Nc6 14. Nxc6 bxc6 15. Nxf6+ Bxf6 16. Bd4 Bxd4+ 17. Qxd4 c5 18. Qf2 Qa6 19. f5 f6 20. b3 Kg7 21. h4 1/2-1/2

[Event "World Amateur-ch"]
[Site "Bento Goncalves"]
[Date "2001.12.09"]
[Round "3"]
[White "Rigos, Marcos Machado"]
[Black "Malavazzi, Bruno"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "61"]
[EventDate "2001.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. Bf4 Nf6 4. e3 Bd6 5. Bg5 0-0 6. Bd3 Nbd7 7. Nbd2 b6 8. e4 dxe4 9. Bxe4 Rb8 10. Bd3 Bb7 11. Qe2 Re8 12. Nc4 h6 13. Nxd6 cxd6 14. Be3 e5 15. dxe5 Nxe5 16. 0-0-0 Nxd3+ 17. Qxd3 Ne4 18. Nd4 Qd7 19. f3 Nc5 20. Qd2 d5 21. g4 Rbc8 22. c3 Qa4 23. Kb1 Ba6 24. b3 Bd3+ 25. Ka1 Qa6 26. b4 Ne4 27. Qxd3 Qxd3 28. Rxd3 Rxc3 29. Rxc3 Nxc3 30. Bd2 Ne2 31. Re1 1-0

[Event "World Amateur-ch"]
[Site "Bento Goncalves"]
[Date "2001.12.08"]
[Round "2"]
[White "Gomez, Homero"]
[Black "Rigos, Marcos Machado"]
[Result "0-1"]
[ECO "D16"]
[PlyCount "80"]
[EventDate "2001.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 b6 6. h3 h6 7. e4 e6 8. Bxc4 Bb4 9. Qd3 0-0 10. 0-0 Bb7 11. Ne2 c5 12. e5 Nd5 13. Bd2 a5 14. Bxb4 Nxb4 15. Qb3 N8a6 16. Rad1 cxd4 17. Rxd4 Qc7 18. Rc1 Nc5 19. Qe3 Nc6 20. Rd6 Ne7 21. b3 Nf5 22. Qf4 Nxd6 23. exd6 Qc6 24. Ned4 Qe4 25. Qxe4 Nxe4 26. Nb5 Rfd8 27. Rd1 Bc6 28. Nc7 Ra7 29. Nb5 Bxb5 30. Bxb5 Rxd6 31. Rc1 Nc5 32. Bc4 Rad7 33. Rc2 Rd1+ 34. Kh2 R7d6 35. Ne5 R1d2 36. Rxd2 Rxd2 37. f3 Rb2 38. Nd3 Nxd3 39. Bxd3 Rxb3 40. Bb5 Rxb5 0-1

[Event "World Amateur-ch"]
[Site "Bento Goncalves"]
[Date "2001.12.07"]
[Round "1"]
[White "Rigos, Marcos Machado"]
[Black "Chrestani, Gilson Luiz"]
[Result "0-1"]
[ECO "A85"]
[PlyCount "65"]
[EventDate "2001.12.07"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 f5 2. c4 Nf6 3. Nc3 g6 4. d4 Bg7 5. e3 0-0 6. Be2 d6 7. Qb3 Kh8 8. Bd2 c6 9. 0-0 Qc7 10. d5 e5 11. dxe6 Bxe6 12. Nd4 Bg8 13. Qc2 Nbd7 14. Rac1 Rac8 15. Qb1 Ne5 16. b3 Qe7 17. Nf3 h6 18. Rfe1 Neg4 19. Bd3 Ne5 20. Nxe5 dxe5 21. e4 f4 22. Ne2 Ng4 23. h3 Nf6 24. Bxf4 exf4 25. Nxf4 Bh7 26. e5 Nd7 27. Nxg6+ Bxg6 28. Bxg6 Nxe5 29. Bf5 Rcd8 30. Kh1 Qg5 31. g4 Qh4 32. Kg2 Rd2 33. Rc2 0-1

[Event "Maresias Sirena op"]
[Site "Sao Sebastiao do Paraiso"]
[Date "2001.??.??"]
[Round "5"]
[White "Rigos, Marcos Machado"]
[Black "Van Riemsdijk, Vinicius Paulo"]
[Result "1-0"]
[ECO "B22"]
[BlackElo "2164"]
[PlyCount "95"]
[EventDate "2001.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 exd5 5. d4 Nf6 6. Bb5+ Nbd7 7. Bg5 c4 8. 0-0 Qb6 9. Re1+ Be7 10. Qa4 a6 11. Bxd7+ Bxd7 12. Qa3 Be6 13. Qa4+ Qb5 14. Qxb5+ axb5 15. Nbd2 0-0 16. Ne5 b4 17. Nd7 Rfe8 18. Nxf6+ gxf6 19. Bh4 Ra4 20. cxb4 Bxb4 21. Re2 Rea8 22. a3 Be7 23. Rc1 b5 24. Nf1 b4 25. axb4 Rxb4 26. Ne3 Bd8 27. f4 Ra5 28. Be1 Rbb5 29. Bxa5 Bxa5 30. f5 Bd7 31. g4 Bb6 32. Rd1 Ra5 33. Kf2 Ba4 34. Rdd2 Rb5 35. Nd1 Rb3 36. Re3 Rb4 37. Nc3 Bc6 38. h4 Kg7 39. Kf3 Ba7 40. Ne2 Bb8 41. Nf4 Ra4 42. Nh5+ Kf8 43. Nxf6 h6 44. g5 hxg5 45. hxg5 Ra1 46. Rde2 Ba7 47. Re8+ Bxe8 48. Rxe8+ 1-0

[Event "Paulisto-ch final"]
[Site "Americana"]
[Date "1999.??.??"]
[Round "3"]
[White "Borges, Leomar Barbero"]
[Black "Rigos, Marcos Machado"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2221"]
[PlyCount "15"]
[EventDate "1999.11.??"]
[EventType "k.o."]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 073 Extra"]
[Source "ChessBase"]
[SourceDate "2000.01.11"]
[SourceVersion "1"]
[SourceVersionDate "2000.01.11"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 c5 3. Bb2 b6 4. e3 Bb7 5. Be2 e6 6. 0-0 Be7 7. c4 0-0 8. d4 1/2-1/2

[Event "Paulisto-ch2"]
[Site "Sao Paulo"]
[Date "1999.??.??"]
[Round "3"]
[White "Maia, Luciano Malta"]
[Black "Rigos, Marcos Machado"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2184"]
[PlyCount "51"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[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. Be2 Nc6 6. d5 Nd4 7. Nf3 Nxf3+ 8. Bxf3 Nd7 9. 0-0 0-0 10. Be3 Ne5 11. Be2 f5 12. Qd2 e6 13. Rac1 Ng4 14. Bg5 Bf6 15. Bxf6 Qxf6 16. exf5 exf5 17. Nb5 Rf7 18. Bxg4 fxg4 19. f3 gxf3 20. Rxf3 Bf5 21. g4 a6 22. Nd4 Qh4 23. gxf5 g5 24. Rg3 h6 25. Re1 Raf8 26. Qd3 1-0

[Event "Paulisto-ch final"]
[Site "Americana"]
[Date "1999.??.??"]
[Round "3"]
[White "Rigos, Marcos Machado"]
[Black "Borges, Leomar Barbero"]
[Result "0-1"]
[ECO "B05"]
[BlackElo "2221"]
[PlyCount "82"]
[EventDate "1999.11.??"]
[EventType "k.o."]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 073 Extra"]
[Source "ChessBase"]
[SourceDate "2000.01.11"]
[SourceVersion "1"]
[SourceVersionDate "2000.01.11"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. c4 Nb6 7. exd6 cxd6 8. 0-0 Be7 9. b3 0-0 10. Nc3 d5 11. c5 Nc8 12. Bf4 Nc6 13. Na4 Bf6 14. Be3 N8e7 15. Qd2 Bxf3 16. Bxf3 Nf5 17. Rac1 Ncxd4 18. Bg4 Nxe3 19. Qxe3 Nc6 20. Kh1 e5 21. Rcd1 Bg5 22. Qh3 g6 23. Be2 d4 24. Rfe1 Qe7 25. a3 a5 26. Bb5 Rad8 27. Qd3 Qf6 28. Re2 Rfe8 29. Qe4 Qe6 30. Bc4 Qf5 31. h4 Be7 32. Rd3 Qxe4 33. Rxe4 Kg7 34. Rh3 f5 35. Re1 e4 36. Rd1 Bf6 37. Bb5 f4 38. Nb2 e3 39. fxe3 dxe3 40. Rxd8 Rxd8 41. Nd3 e2 0-1

[Event "Itau Mercosul Cup 2nd"]
[Site "Sao Paulo"]
[Date "1998.09.08"]
[Round "1"]
[White "Rigos, Marcos Machado"]
[Black "Segal, Alexandru Sorin"]
[Result "0-1"]
[ECO "B06"]
[BlackElo "2235"]
[PlyCount "76"]
[EventDate "1998.09.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 g6 2. d4 Bg7 3. e4 c6 4. Bc4 d5 5. exd5 cxd5 6. Bb3 Nc6 7. c3 Bg4 8. Qd3 Bxf3 9. Qxf3 e6 10. 0-0 Nge7 11. Bg5 0-0 12. Bf6 Bxf6 13. Qxf6 Nf5 14. Qxd8 Rfxd8 15. Re1 b5 16. a3 Rdc8 17. Nd2 Rab8 18. Bc2 Ncxd4 19. Bxf5 Nxf5 20. Nb3 Rc4 21. Na5 Rc7 22. g4 Nd6 23. Re2 Kg7 24. Rd1 Rh8 25. Rd3 h5 26. g5 Nf5 27. Kg2 Rd8 28. Red2 Rd6 29. Kf3 Rcd7 30. Re2 d4 31. c4 Ra6 32. b4 Rxa5 33. bxa5 bxc4 34. Rd1 d3 35. Re4 c3 36. Rc4 c2 37. Rd2 e5 38. Rc3 Rd4 0-1

[Event "Paulisto-ch"]
[Site "Americana"]
[Date "1998.??.??"]
[Round "3"]
[White "Borges, Leomar Barbero"]
[Black "Rigos, Marcos Machado"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "2215"]
[PlyCount "47"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. e3 c6 5. Be2 0-0 6. 0-0 d6 7. d4 Nbd7 8. c4 Ne4 9. Nbd2 Ndf6 10. Bd3 Nxd2 11. Qxd2 Bg4 12. Ne1 Qc8 13. f3 Bd7 14. e4 h6 15. f4 Nh5 16. Nf3 c5 17. Kh1 f5 18. e5 cxd4 19. exd6 exd6 20. Nxd4 Qc5 21. Be2 Nf6 22. Bf3 Ne4 23. Qd3 Rae8 24. Rad1 1/2-1/2

[Event "Paulisto-ch"]
[Site "Americana"]
[Date "1998.??.??"]
[Round "5"]
[White "D'Israel, Davy Maurice"]
[Black "Rigos, Marcos Machado"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2270"]
[PlyCount "51"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 Nf6 4. Bg2 0-0 5. e4 d6 6. Nge2 e5 7. d3 c5 8. 0-0 Nc6 9. b3 Ne8 10. Rb1 Nc7 11. a3 Ne6 12. b4 b6 13. Nd5 Ncd4 14. Nec3 Bd7 15. Be3 f5 16. exf5 gxf5 17. f4 Rc8 18. Ne2 Qe8 19. Nxd4 cxd4 20. Bd2 Kh8 21. Qe2 Nc7 22. Rbe1 Nxd5 23. Bxd5 Qg6 24. Qg2 Rce8 25. b5 exf4 26. Bxf4 1/2-1/2

[Event "Paulisto-chT"]
[Site "Sao Paulo"]
[Date "1998.??.??"]
[Round "1"]
[White "Gonzalez, Bolivar Ribeiro"]
[Black "Rigos, Marcos Machado"]
[Result "1-0"]
[ECO "B53"]
[WhiteElo "2265"]
[PlyCount "41"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "4"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 Nd7 4. Nc3 a6 5. a4 cxd4 6. Nxd4 g6 7. g3 Bg7 8. Bg2 Ngf6 9. 0-0 0-0 10. h3 Qb6 11. a5 Qc5 12. Be3 Qc7 13. Nb3 h6 14. Na4 Nh7 15. Qd2 g5 16. f4 Bf6 17. Nd4 Nc5 18. Nb6 Be6 19. f5 Bd7 20. b4 e5 21. Ne2 1-0

[Event "Paulisto-ch"]
[Site "Americana"]
[Date "1998.??.??"]
[Round "6"]
[White "Rigos, Marcos Machado"]
[Black "Cukier, Marcelo"]
[Result "0-1"]
[ECO "A49"]
[BlackElo "2150"]
[PlyCount "72"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d6 3. g3 g6 4. Bg2 Bg7 5. Nbd2 0-0 6. 0-0 c6 7. b3 Qa5 8. Bb2 Qh5 9. e4 Bh3 10. Nh4 Bxg2 11. Qxh5 Nxh5 12. Kxg2 c5 13. Nhf3 Nc6 14. c3 b5 15. d5 b4 16. Rac1 Ne5 17. Nxe5 Bxe5 18. Nc4 Bxc3 19. Bxc3 bxc3 20. Rxc3 a5 21. Rd1 a4 22. Nb6 Ra6 23. Nxa4 f5 24. exf5 gxf5 25. f4 Nf6 26. Rc2 Rb8 27. Rd3 Rb4 28. Nc3 Kf8 29. Nd1 Rd4 30. Rxd4 cxd4 31. Rd2 Nxd5 32. Kf3 e5 33. fxe5 dxe5 34. g4 e4+ 35. Kg3 f4+ 36. Kh4 e3 0-1

[Event "Sao Paulo State-ch3"]
[Site "Sao Caetano do Sul"]
[Date "1998.??.??"]
[Round "?"]
[White "Rigos, Marcos Machado"]
[Black "Disconzi da Silva, Rodrigo"]
[Result "0-1"]
[ECO "D95"]
[BlackElo "2350"]
[PlyCount "96"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 d5 2. e3 Nf6 3. d4 g6 4. c4 Bg7 5. Nc3 0-0 6. Qb3 e6 7. Bd2 c6 8. Be2 Nbd7 9. cxd5 exd5 10. 0-0 Re8 11. a4 Ne4 12. Rfc1 Nxd2 13. Nxd2 Nf8 14. a5 Qe7 15. Bf1 Bg4 16. Na4 Rad8 17. Nc5 Bc8 18. Qa3 g5 19. b4 a6 20. Bd3 Rd6 21. Nf1 Ng6 22. Ng3 Nh4 23. Re1 Rh6 24. Qb2 Qf6 25. Qc2 g4 26. Be2 Bf8 27. Qd1 Qg5 28. e4 Bxc5 29. dxc5 dxe4 30. Qd4 Nf5 31. Nxf5 Bxf5 32. Qe3 Qh4 33. Qf4 Be6 34. Rad1 Rf6 35. Qg3 Qxg3 36. hxg3 h5 37. Rd6 Kg7 38. Red1 Re7 39. R1d4 Bd5 40. Rd8 e3 41. Rf4 Rxf4 42. gxf4 exf2+ 43. Kxf2 g3+ 44. Kf1 Re4 45. Rb8 Rxf4+ 46. Bf3 h4 47. Ke2 Bxf3+ 48. gxf3 h3 0-1

[Event "Paulisto-chT"]
[Site "Sao Paulo"]
[Date "1998.??.??"]
[Round "1"]
[White "Rigos, Marcos Machado"]
[Black "Gonzalez, Bolivar Ribeiro"]
[Result "0-1"]
[ECO "A47"]
[BlackElo "2265"]
[PlyCount "62"]
[EventDate "1998.??.??"]
[EventType "team"]
[EventRounds "4"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 c5 3. e3 e6 4. Bd3 b6 5. 0-0 Be7 6. c4 d5 7. b3 0-0 8. Bb2 cxd4 9. Nxd4 Bb7 10. cxd5 Qxd5 11. f3 Qg5 12. Qe2 Nc6 13. Nxc6 Bxc6 14. e4 Nh5 15. Rc1 Bc5+ 16. Rxc5 Qxc5+ 17. Qf2 Qg5 18. g3 Rfd8 19. Bf1 Nf4 20. Bd4 e5 21. Be3 Qg6 22. Na3 Ne6 23. Nc4 f6 24. Rc1 Bb7 25. a4 Qe8 26. Na3 Rac8 27. Bc4 Kh8 28. Rb1 Nc7 29. Qf1 Qf8 30. Nc2 f5 31. exf5 Qxf5 0-1

[Event "Paulisto-ch"]
[Site "Americana"]
[Date "1998.??.??"]
[Round "4"]
[White "Rigos, Marcos Machado"]
[Black "Sega, Carlos Alberto"]
[Result "1/2-1/2"]
[ECO "E67"]
[BlackElo "2280"]
[PlyCount "152"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 g6 2. g3 Bg7 3. Nf3 d6 4. Bg2 Nf6 5. 0-0 0-0 6. Re1 Nbd7 7. c4 e5 8. Nc3 c6 9. e3 Re8 10. Bd2 h6 11. Qc2 a6 12. Rad1 Qe7 13. dxe5 Nxe5 14. Nxe5 Qxe5 15. Na4 Rb8 16. Bc3 Qe7 17. Nb6 Bg4 18. f3 Be6 19. b4 d5 20. c5 Rbd8 21. Bd4 h5 22. Qc3 Bf5 23. Na4 Rf8 24. Nb2 Ne8 25. Nd3 Bxd3 26. Qxd3 f5 27. f4 Nf6 28. Bf3 Rfe8 29. h4 Ne4 30. Bxe4 Qxe4 31. Bxg7 Kxg7 32. Qd4+ Kf7 33. Kf2 Qc2+ 34. Rd2 Qa4 35. Qb2 Re7 36. Rd4 Rde8 37. Qb3 Qxb3 38. axb3 Re4 39. Re2 Kf6 40. Re1 Rxd4 41. exd4 Re4 42. Rd1 Ke7 43. Rd2 Kd7 44. Rd1 Kc7 45. Rd2 Kb8 46. Rd1 Ka7 47. Rd2 b6 48. Rd1 bxc5 49. bxc5 a5 50. Ra1 Rxd4 51. Rxa5+ Kb7 52. Ke3 Rb4 53. Ra3 Re4+ 54. Kd3 d4 55. Kc4 Re3 56. Kxd4 Rxg3 57. Ke5 Rh3 58. Ra4 Rxb3 59. Kf6 Rg3 60. Rb4+ Kc7 61. Ra4 Rg4 62. Ra7+ Kb8 63. Ra4 Kb7 64. Rb4+ Kc7 65. Ra4 Rg1 66. Ra7+ Kb8 67. Rg7 Rg4 68. Ke5 Rxh4 69. Rxg6 Kb7 70. Rg7+ Ka6 71. Kxf5 Kb5 72. Ke5 Rh1 73. f5 Kxc5 74. f6 Re1+ 75. Kf5 Kd4 76. Kg5 Re7 1/2-1/2

[Event "Sao Paulo State-ch4"]
[Site "Santos"]
[Date "1998.??.??"]
[Round "6"]
[White "Rigos, Marcos Machado"]
[Black "Van Riemsdijk, Vinicius Paulo"]
[Result "0-1"]
[ECO "A48"]
[BlackElo "2125"]
[PlyCount "93"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. Nf3 g6 2. d4 Nf6 3. e3 Bg7 4. b3 0-0 5. Bd3 d6 6. Bb2 Nbd7 7. 0-0 Ne8 8. Qc1 e5 9. dxe5 dxe5 10. Rd1 Nd6 11. Be2 f5 12. Na3 Qe7 13. Nc4 Ne4 14. a4 b6 15. Nfd2 Bb7 16. Nxe4 Bxe4 17. f3 Bb7 18. Ba3 Nc5 19. Bb2 Rfe8 20. b4 Nd7 21. Qd2 Rad8 22. Qc3 Bf6 23. Qb3 Kg7 24. Nd2 c5 25. b5 Nf8 26. a5 Bd5 27. c4 Ba8 28. axb6 axb6 29. Ra6 Rd6 30. Qa4 Bb7 31. Ra7 Red8 32. Bc3 R8d7 33. Qa1 g5 34. Qb2 Ng6 35. Rda1 e4 36. fxe4 Rxd2 37. Bxf6+ Qxf6 38. Qxd2 Rxd2 39. Rxb7+ Kh6 40. Raa7 Nf8 41. Bf3 fxe4 42. Rf7 Qc3 43. h4 Qxe3+ 44. Kh2 exf3 45. hxg5+ Kxg5 46. Rxf8 Rxg2+ 47. Kh3 0-1

[Event "Itau Mercosul Cup 1st"]
[Site "Sao Paulo"]
[Date "1997.??.??"]
[Round "1"]
[White "Rigos, Marcos Machado"]
[Black "De Souza Haro, Paulo Cezar"]
[Result "0-1"]
[ECO "E01"]
[BlackElo "2335"]
[PlyCount "116"]
[EventDate "1997.10.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. g3 d5 4. Bg2 Bd6 5. c4 c6 6. Nbd2 Nbd7 7. 0-0 0-0 8. b3 b5 9. Re1 Bb7 10. c5 Bc7 11. Bb2 Ne4 12. b4 a5 13. a3 f6 14. Qc2 f5 15. Ne5 Ndf6 16. f3 Ng5 17. h4 Nf7 18. f4 Nh6 19. Bf3 Qe8 20. Qd3 Ne4 21. Nf1 Rf6 22. e3 Qe7 23. Qe2 a4 24. Kh2 Raf8 25. Bh5 Bd8 26. Nd2 Qc7 27. Nxe4 dxe4 28. Qd1 Bc8 29. Rg1 Kh8 30. Rc1 Bd7 31. g4 fxg4 32. Bxg4 Be8 33. h5 Qe7 34. Bh3 Rf5 35. d5 Rxh5 36. Nf7+ Rxf7 37. Qxh5 Nf5 38. Bxf5 exf5 39. d6 Qf8 40. d7 Rxd7 41. Qe2 Bf6 42. Rcd1 Rd3 43. Rxd3 exd3 44. Qd2 Bxb2 45. Qxb2 Qe7 46. Kh3 Bh5 47. Qd4 Bg4+ 48. Rxg4 fxg4+ 49. Kxg4 Qe6+ 50. Kg3 Kg8 51. Qxd3 Kf7 52. e4 Qb3 53. Qf3 Kf6 54. Kf2 Qxf3+ 55. Kxf3 g5 56. e5+ Kf5 57. e6 Kxe6 58. Kg4 gxf4 0-1

[Event "Sao Paulo op"]
[Site "Sao Paulo"]
[Date "1995.??.??"]
[Round "5"]
[White "Barrio, Cesar de Oliveira L"]
[Black "Rigos, Marcos Machado"]
[Result "1/2-1/2"]
[ECO "D03"]
[PlyCount "85"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Bg5 e6 4. e3 Nbd7 5. Nbd2 Be7 6. Bd3 c5 7. c3 b6 8. 0-0 Bb7 9. Ne5 0-0 10. f4 h6 11. Bh4 Ne4 12. Bxe7 Qxe7 13. Nxd7 Qxd7 14. Nf3 f6 15. Nh4 Qf7 16. Qg4 Kh7 17. f5 e5 18. dxe5 fxe5 19. Bxe4 dxe4 20. Qg6+ Kg8 21. Qxf7+ Rxf7 22. c4 Rd8 23. Ng6 Rd2 24. Nxe5 Re7 25. Ng6 Red7 26. b3 R7d3 27. Rfe1 Rc3 28. Rad1 Rcc2 29. Rxd2 Rxd2 30. Kf1 Kf7 31. Re2 Rd1+ 32. Kf2 Kf6 33. Nh4 Kg5 34. Kg3 Rd3 35. Ng6 Kxf5 36. Nf4 Rd6 37. Rf2 Ke5 38. h4 g5 39. hxg5 hxg5 40. Nh3 Bc8 41. Nxg5 Rg6 42. Kh4 Rh6+ 43. Kg3 1/2-1/2

[Event "Sao Paulo op"]
[Site "Sao Paulo"]
[Date "1995.??.??"]
[Round "1"]
[White "Rigos, Marcos Machado"]
[Black "Disconzi da Silva, Rodrigo"]
[Result "0-1"]
[ECO "D04"]
[BlackElo "2380"]
[PlyCount "48"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 c5 3. e3 Nc6 4. Be2 Nf6 5. 0-0 Bg4 6. c3 e6 7. Re1 Qc7 8. Nbd2 Rd8 9. h3 Bf5 10. Nf1 Bd6 11. Bd3 Ne4 12. dxc5 Bxc5 13. Nd4 0-0 14. Nxf5 exf5 15. Qf3 Ne5 16. Qe2 Rfe8 17. Bd2 Re6 18. Red1 Rg6 19. Be1 Rdd6 20. Bc2 Qc6 21. f3 f4 22. Bxe4 dxe4 23. Rxd6 Bxd6 24. Nd2 exf3 0-1

[Event "Sao Paulo op"]
[Site "Sao Paulo"]
[Date "1995.??.??"]
[Round "3"]
[White "Rigos, Marcos Machado"]
[Black "Rocha, Wellington Carlos"]
[Result "0-1"]
[ECO "E92"]
[BlackElo "2290"]
[PlyCount "74"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. h3 e5 7. d5 a5 8. Be3 Na6 9. Be2 Nh5 10. Qd2 f5 11. Bh6 Nf4 12. Bxg7 Kxg7 13. 0-0 Nc5 14. exf5 gxf5 15. Kh2 Ne4 16. Qe3 Nf6 17. Rh1 Kh8 18. Bf1 Qe8 19. g3 Ng6 20. Bg2 Bd7 21. Rhe1 f4 22. Qd2 Rg8 23. Ng5 Ne7 24. Nce4 Nxe4 25. Nxe4 Qh5 26. Nf6 Qh6 27. Ne4 Nf5 28. Kg1 Nd4 29. h4 Bh3 30. Ng5 Rxg5 31. hxg5 Qxg5 32. Qc3 Bxg2 33. Kxg2 f3+ 34. Kg1 Qh5 35. Qd3 Rf8 36. Re4 Ne2+ 37. Rxe2 Qh3 0-1

[Event "Sao Paulo op"]
[Site "Sao Paulo"]
[Date "1995.??.??"]
[Round "4"]
[White "Rigos, Marcos Machado"]
[Black "Saliba, Alexandre"]
[Result "1/2-1/2"]
[ECO "A87"]
[PlyCount "78"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 f5 2. d4 g6 3. c4 Bg7 4. Nc3 Nf6 5. g3 0-0 6. Bg2 d6 7. 0-0 Qe8 8. Qb3 c6 9. Bg5 Na6 10. c5+ Kh8 11. cxd6 exd6 12. Bf4 Qe7 13. Qa3 Rd8 14. Ng5 Ne8 15. Rad1 h6 16. Nh3 Nf6 17. Rfe1 g5 18. Bc1 Qf7 19. f3 d5 20. Nf2 Nc7 21. e4 Re8 22. e5 Ng8 23. Na4 Ne6 24. b4 b6 25. Nxb6 Rb8 26. Nxc8 Rexc8 27. Qa4 Ne7 28. a3 Ng6 29. Qc2 Ne7 30. Bb2 Rf8 31. Nd3 Nc7 32. Nc5 Rbc8 33. Rd2 Ne6 34. Nb7 Qg6 35. Nd6 Rc7 36. Bf1 Nc8 37. Bd3 Nxd6 38. exd6 Nxd4 39. Qd1 Rd7 1/2-1/2

[Event "Sao Paulo op"]
[Site "Sao Paulo"]
[Date "1995.??.??"]
[Round "7"]
[White "Rigos, Marcos Machado"]
[Black "Schutt, Ricardo de Amorim"]
[Result "1/2-1/2"]
[ECO "D00"]
[BlackElo "2140"]
[PlyCount "21"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Nc3 Bf5 4. e3 e6 5. Be2 c5 6. 0-0 Nc6 7. Re1 Be7 8. b3 cxd4 9. exd4 0-0 10. Bb2 Rc8 11. Rc1 1/2-1/2

[Event "Sao Paulo op"]
[Site "Sao Paulo"]
[Date "1995.??.??"]
[Round "2"]
[White "Saliba, Bruno"]
[Black "Rigos, Marcos Machado"]
[Result "0-1"]
[ECO "A13"]
[PlyCount "54"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 d5 3. b3 e6 4. Bb2 c5 5. e3 Nc6 6. Nf3 cxd4 7. exd4 Bb4+ 8. Nc3 Ne4 9. Qc1 Qa5 10. Bd3 Bxc3+ 11. Bxc3 Qxc3+ 12. Qxc3 Nxc3 13. 0-0 Ne4 14. Rfe1 Nf6 15. Ng5 0-0 16. Rf1 dxc4 17. bxc4 Nxd4 18. Rad1 Nc6 19. f4 h6 20. Nh3 Rd8 21. Rf3 Bd7 22. a3 e5 23. Bc2 Bxh3 24. Rxd8+ Rxd8 25. fxe5 Nxe5 26. Rxh3 Nxc4 27. Kf2 Rd2+ 0-1

[Event "Sao Paulo op"]
[Site "Sao Paulo"]
[Date "1995.??.??"]
[Round "6"]
[White "Vasconcelos, Arquimedes"]
[Black "Rigos, Marcos Machado"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "94"]
[EventDate "1995.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. b4 d5 2. Bb2 Bf5 3. Nf3 Nf6 4. e3 Nbd7 5. a3 e6 6. c4 c6 7. h3 Bd6 8. Nh4 Be4 9. d3 Bg6 10. Nxg6 hxg6 11. Nd2 b5 12. c5 Be5 13. Qc2 a5 14. Bxe5 Nxe5 15. Qb2 Qc7 16. Be2 0-0 17. Nf3 Nxf3+ 18. Bxf3 e5 19. e4 dxe4 20. dxe4 Rfd8 21. 0-0 Rd4 22. Rad1 Rad8 23. Rxd4 Rxd4 24. Re1 a4 25. Re3 Qd8 26. g3 Kh7 27. Kg2 Qd7 28. g4 g5 29. Qa1 Ne8 30. Qb2 Nc7 31. Kg3 Ne6 32. Qa1 Nf4 33. h4 gxh4+ 34. Kxh4 Ng6+ 35. Kg3 Kg8 36. Qh1 Qd8 37. Be2 Qg5 38. Kg2 Nf4+ 39. Kf1 g6 40. Qf3 Kg7 41. Qg3 Rd8 42. Ke1 Rh8 43. Bf3 Qd8 44. Bg2 Qd4 45. Qf3 Qa1+ 46. Qd1 Nxg2+ 47. Ke2 Qxd1+ 0-1

[Event "BRA-chT Inter-Clubes 8th"]
[Site "Campinas"]
[Date "1989.09.??"]
[Round "6"]
[White "Figueiredo, Alcio"]
[Black "Rigos, Marcos Machado"]
[Result "0-1"]
[ECO "A02"]
[PlyCount "106"]
[EventDate "1989.09.07"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Tupy AA"]
[BlackTeam "Cubatao EC"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. f4 Nf6 2. Nf3 Nc6 3. b3 e6 4. Bb2 Be7 5. e3 b6 6. Be2 Bb7 7. 0-0 0-0 8. Ne5 Ne4 9. d3 Nd6 10. Bf3 Nf5 11. Qe2 Rb8 12. Bxc6 dxc6 13. Nd2 Bc5 14. d4 Be7 15. Ndf3 f6 16. Nd3 c5 17. dxc5 bxc5 18. c4 Qd7 19. Rad1 Qc6 20. Nf2 Rbd8 21. e4 Nd6 22. Rfe1 Nf7 23. e5 f5 24. Nh3 h6 25. Bc1 a5 26. Qc2 Nh8 27. Bd2 a4 28. bxa4 Ng6 29. Be3 Ra8 30. Rd2 Rxa4 31. Qb3 Rb4 32. Qd3 Qb6 33. Kf2 Be4 34. Qe2 Rb8 35. Red1 Rb2 36. Rxb2 Qxb2 37. Rd2 Qc3 38. Nhg1 Rb4 39. Rd7 Rxc4 40. Nd2 Ra4 41. Nb3 c4 42. Bd4 Qd3 43. Nc1 Qb1 44. Qd1 Rxa2+ 45. Nge2 Bd3 46. Ke1 Bb4+ 47. Bc3 Rc2 48. Nxd3 Rxe2+ 49. Kxe2 cxd3+ 50. Rxd3 Nxf4+ 51. Ke3 Qxd3+ 52. Qxd3 Nxd3 53. Kxd3 Bxc3 0-1

[Event "BRA-chT Inter-Clubes 8th"]
[Site "Campinas"]
[Date "1989.09.??"]
[Round "4"]
[White "Madeira, Wagner Martins"]
[Black "Rigos, Marcos Machado"]
[Result "1-0"]
[ECO "C45"]
[PlyCount "95"]
[EventDate "1989.09.07"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Osasco EC"]
[BlackTeam "Cubatao EC"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 Qf6 6. e5 Qc6 7. Be3 f6 8. Bc4 Ne7 9. exf6 Qxf6 10. Qxf6 gxf6 11. Nc3 c6 12. Ne4 d5 13. Nxf6+ Kf7 14. Bd3 Nf5 15. Nh5 Bd6 16. Bf4 Re8+ 17. Kd2 Bc5 18. Rhf1 Bd7 19. g4 Nh4 20. f3 Ng6 21. Rae1 Nxf4 22. Nxf4 Bd6 23. Ng2 h6 24. h3 a5 25. Rxe8 Rxe8 26. Nh4 Bf4+ 27. Kd1 Kf6 28. Bf5 Bxf5 29. Nxf5 h5 30. Re1 Rxe1+ 31. Kxe1 hxg4 32. hxg4 Bc1 33. b3 Kg5 34. Ke2 Ba3 35. Ne3 Kf4 36. Ng2+ Kg5 37. Kd3 Bb2 38. c4 Bf6 39. cxd5 cxd5 40. Ne3 d4 41. f4+ Kh4 42. g5 Bh8 43. Nc4 Kg4 44. Nxa5 b6 45. Nc4 Kxf4 46. Nxb6 Kxg5 47. a4 Be5 48. a5 1-0

[Event "BRA-chT Inter-Clubes 8th"]
[Site "Campinas"]
[Date "1989.09.??"]
[Round "7"]
[White "Rigos, Marcos Machado"]
[Black "Damasceno, Marlos de Almedia"]
[Result "0-1"]
[ECO "A49"]
[PlyCount "102"]
[EventDate "1989.09.07"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Cubatao EC"]
[BlackTeam "Clube Jao"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. b3 Nc6 7. Bb2 Re8 8. a3 e5 9. d5 Ne7 10. Nfd2 Nfxd5 11. c4 Nf6 12. Nc3 Nh5 13. e3 f5 14. e4 f4 15. Bf3 Nf6 16. Qe2 g5 17. Nd5 Ng6 18. Nxf6+ Qxf6 19. Bg4 Be6 20. Rac1 Qf7 21. Bxe6 Qxe6 22. Qh5 h6 23. f3 Kh7 24. Kf2 c6 25. Rfd1 Rad8 26. Qg4 Qxg4 27. fxg4 d5 28. cxd5 cxd5 29. exd5 e4 30. Nc4 Kg8 31. Bxg7 Kxg7 32. Na5 Rd7 33. d6 Ne5 34. Rc7 b6 35. Nc4 Nxg4+ 36. Kg1 Red8 37. Rc1 Kf6 38. gxf4 gxf4 39. Nd2 Ke5 40. Rxd7 Rxd7 41. Rc7 Nf6 42. Nc4+ Ke6 43. Rc8 b5 44. Na5 Rxd6 45. Rh8 Rd1+ 46. Kg2 Rd2+ 47. Kh3 e3 48. Rc8 e2 49. Rc6+ Kf5 50. Rc5+ Ke4 51. Nc6 Nd5 0-1

[Event "BRA-chT Inter-Clubes 8th"]
[Site "Campinas"]
[Date "1989.09.??"]
[Round "5"]
[White "Rigos, Marcos Machado"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1-0"]
[ECO "A48"]
[PlyCount "167"]
[EventDate "1989.09.07"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Cubatao EC"]
[BlackTeam "Paulistano CA"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. Nf3 Nf6 2. d4 g6 3. Bg5 Bg7 4. e3 0-0 5. Bd3 d6 6. Nbd2 Nbd7 7. 0-0 b6 8. e4 Bb7 9. Re1 e5 10. c3 Re8 11. d5 a6 12. Nf1 Nc5 13. Bc2 h6 14. Bh4 a5 15. b4 Ncd7 16. Ne3 Ba6 17. Qd2 Kh7 18. a3 Qe7 19. h3 Qf8 20. g4 Kh8 21. Kg2 Nh7 22. Bg3 Nhf6 23. h4 h5 24. Nh2 hxg4 25. Nhxg4 Nh5 26. Rac1 Bh6 27. Nxh6 Qxh6 28. c4 Nf4+ 29. Kh2 axb4 30. axb4 Nf6 31. f3 Bc8 32. Ng2 N6h5 33. Bf2 g5 34. Rh1 Nxg2 35. hxg5 Qg6 36. Kxg2 Kg7 37. Rxh5 Qxh5 38. Rh1 Qxh1+ 39. Kxh1 Rh8+ 40. Kg2 Bh3+ 41. Kg3 Bf1 42. f4 Ra3+ 43. Be3 Rh3+ 44. Kf2 Rh2+ 45. Kxf1 Rxd2 46. Bxd2 Ra2 47. fxe5 Rxc2 48. Ke2 dxe5 49. Kd3 Ra2 50. c5 bxc5 51. bxc5 Ra6 52. Bc3 f6 53. gxf6+ Kxf6 54. Kc4 Ra4+ 55. Bb4 Ra2 56. Be1 Ra4+ 57. Kd3 Ra3+ 58. Kc2 Ra8 59. Bh4+ Kf7 60. Kb3 Rh8 61. Be1 Rb8+ 62. Kc4 Ke7 63. Bh4+ Kf7 64. c6 Rh8 65. Bg3 Kf6 66. Kc5 Rh3 67. Be1 Rh2 68. Kb5 Re2 69. Ba5 Rxe4 70. Bxc7 Rd4 71. Bd8+ Kf7 72. c7 Rxd5+ 73. Kb6 Rd6+ 74. Kb7 Rd7 75. Kb6 Rd6+ 76. Kb5 Rd5+ 77. Kb4 Rd4+ 78. Kb3 Rd3+ 79. Kc2 Rg3 80. c8Q Rg2+ 81. Kd1 Rg1+ 82. Ke2 Rg6 83. Qd7+ Kg8 84. Bc7 1-0

[Event "BRA-chT Inter-Clubes"]
[Site "Curitiba"]
[Date "1987.04.??"]
[Round "2"]
[White "Rigos, Marcos Machado"]
[Black "Klassen, Joao Werner"]
[Result "1-0"]
[ECO "E77"]
[PlyCount "89"]
[EventDate "1987.04.30"]
[EventType "team-swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Cachoeira Mongagua EC"]
[BlackTeam "Curitiba II"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. d4 Nf6 2. c4 c5 3. d5 g6 4. Nc3 Bg7 5. e4 d6 6. Be2 0-0 7. f4 Ne8 8. Nf3 e6 9. 0-0 exd5 10. cxd5 a6 11. a4 Nd7 12. Nd2 Qc7 13. a5 b5 14. axb6 Nxb6 15. Bc4 Nxc4 16. Nxc4 Bd7 17. Re1 Qb8 18. e5 dxe5 19. fxe5 Nc7 20. Ne4 Bb5 21. Ned6 Bxc4 22. Nxc4 Rd8 23. d6 Ne6 24. Qd5 Qb5 25. Bd2 Nc7 26. Qe4 Ne6 27. Qh4 Nd4 28. Rac1 Ne6 29. Bh6 Bxh6 30. Qxh6 Qe8 31. Ne3 Qf8 32. Qh4 h5 33. Nd5 Qh6 34. Qf6 Qg7 35. Ne7+ Kh7 36. Qh4 Qh6 37. Nd5 Rab8 38. Rf1 Rf8 39. Qe7 Qg7 40. Nf6+ Kh8 41. Rc2 Rb5 42. Rcf2 Qh6 43. Nd7 Qe3 44. Kh1 Qg5 45. Qxg5 1-0

