[Event "Antonio Pacini mem-A email"]
[Site "Brazil CXEB"]
[Date "1999.09.20"]
[Round "?"]
[White "Bastos, Paulo Rubio Leite"]
[Black "Iwakura, Mario Rogerio"]
[Result "1-0"]
[ECO "D57"]
[PlyCount "75"]
[EventDate "1999.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "BRA"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 h6 6. Bh4 0-0 7. e3 Ne4 8. Bxe7 Qxe7 9. cxd5 Nxc3 10. bxc3 exd5 11. Qb3 Rd8 12. c4 dxc4 13. Bxc4 Nc6 14. Be2 Rd6 15. 0-0 Be6 16. Qb2 Bd5 17. Rfc1 Re8 18. Ne1 b6 19. Bf3 Be4 20. Bxe4 Qxe4 21. Qc2 Qd5 22. Rab1 Re7 23. Nd3 Qe4 24. Rb3 Na5 25. Rc3 c6 26. Ne5 Qxc2 27. R3xc2 Ree6 28. g3 f6 29. Nd3 Kf7 30. Kg2 Re7 31. Rc3 Ke8 32. h4 Kf7 33. h5 Red7 34. Nb4 Rc7 35. Kf3 b5 36. Rc5 Nc4 37. d5 Ne5+ 38. Ke2 1-0

[Event "Antonio Pacini mem-A email"]
[Site "Brazil CXEB"]
[Date "1999.09.20"]
[Round "?"]
[White "Briao, Paulo Amilcar Goene"]
[Black "Iwakura, Mario Rogerio"]
[Result "1/2-1/2"]
[ECO "D51"]
[WhiteElo "2314"]
[PlyCount "36"]
[EventDate "1999.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "BRA"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Bg5 c6 5. e3 Nbd7 6. a3 Be7 7. Nc3 0-0 8. Bd3 dxc4 9. Bxc4 b5 10. Bd3 a6 11. b4 h6 12. Bxf6 Nxf6 13. 0-0 a5 14. Qb3 Bb7 15. Rfc1 Qb6 16. Ne4 Nd5 17. Nc5 Rfd8 18. Ne5 Bxc5 1/2-1/2

[Event "Antonio Pacini mem-A email"]
[Site "Brazil CXEB"]
[Date "1999.09.20"]
[Round "?"]
[White "De Paula Filho, Jose"]
[Black "Iwakura, Mario Rogerio"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "55"]
[EventDate "1999.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "BRA"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. h3 Bh5 8. Na3 Nc6 9. 0-0 cxd4 10. Nb5 Rc8 11. Nbxd4 Nxd4 12. Nxd4 Bxe2 13. Qxe2 Be7 14. Be3 0-0 15. Rfd1 a6 16. Nf3 Qa5 17. Bd4 Rfd8 18. Rd2 h6 19. a3 Qf5 20. Rad1 Qe4 21. Qe1 Qxe1+ 22. Rxe1 Bc5 23. Bxf6 Rxd2 24. Nxd2 gxf6 25. Ne4 Be7 26. g4 Rd8 27. a4 Kg7 28. Kf1 1/2-1/2

[Event "Antonio Pacini mem-A email"]
[Site "Brazil CXEB"]
[Date "1999.09.20"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Dias, Sergio Moreira Ferr"]
[Result "1/2-1/2"]
[ECO "B33"]
[BlackElo "2379"]
[PlyCount "32"]
[EventDate "1999.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "BRA"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 b5 10. Nd5 Bg7 11. c3 f5 12. exf5 Bxf5 13. Nc2 0-0 14. Nce3 Be6 15. g3 f5 16. Qh5 Ne7 1/2-1/2

[Event "Antonio Pacini mem-A email"]
[Site "Brazil CXEB"]
[Date "1999.09.20"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "La Candia, Juan Miguel"]
[Result "1/2-1/2"]
[ECO "B92"]
[PlyCount "35"]
[EventDate "1999.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "BRA"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. f4 b5 10. a4 Bb7 11. fxe5 Qb6+ 12. Kh1 dxe5 13. axb5 axb5 14. Rxa8 Bxa8 15. Bg5 b4 16. Bxf6 Bxf6 17. Nd5 Bxd5 18. Qxd5 1/2-1/2

[Event "Antonio Pacini mem-A email"]
[Site "Brazil CXEB"]
[Date "1999.09.20"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Martin Clemente, Joel"]
[Result "1/2-1/2"]
[ECO "C68"]
[PlyCount "43"]
[EventDate "1999.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "BRA"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Qd6 6. d4 exd4 7. Nxd4 Bd7 8. Nc3 0-0-0 9. Be3 Nh6 10. f3 f5 11. Qe2 f4 12. Bf2 Nf7 13. Rad1 g5 14. Rfe1 Ne5 15. Nf5 Qf6 16. Kh1 h5 17. a3 Re8 18. Qd2 h4 19. h3 Rh7 20. Nd4 Bd6 21. Qe2 Kb8 22. b4 1/2-1/2

[Event "Antonio Pacini mem-A email"]
[Site "Brazil CXEB"]
[Date "1999.09.20"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Nicolau, Luiz Fernando"]
[Result "1/2-1/2"]
[ECO "C06"]
[BlackElo "2358"]
[PlyCount "66"]
[EventDate "1999.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "BRA"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Bd6 11. 0-0 0-0 12. Bg5 h6 13. Bh4 Qb6 14. Nc3 g5 15. Na4 Qc7 16. Bg3 g4 17. Nh4 Nxd4 18. Rc1 Nc6 19. Qd2 Kg7 20. Rfe1 Bxg3 21. hxg3 Qd6 22. Nc3 a6 23. Bb1 Qc7 24. Qd3 Qf7 25. Ng6 Rd8 26. Ne5 Nxe5 27. Rxe5 Bd7 28. Rce1 Rac8 29. b3 Rc7 30. Qd4 Kg8 31. Ne2 Rdc8 32. Qd2 Qg7 33. Nf4 Rc6 1/2-1/2

[Event "Antonio Pacini mem-A email"]
[Site "Brazil CXEB"]
[Date "1999.09.20"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Rain, Ricardo Ernesto"]
[Result "0-1"]
[ECO "B04"]
[PlyCount "60"]
[EventDate "1999.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "BRA"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. c4 Nb6 6. exd6 cxd6 7. Be2 Bg7 8. 0-0 0-0 9. h3 Nc6 10. Nc3 Bf5 11. Be3 d5 12. c5 Nc4 13. Bxc4 dxc4 14. Qa4 Bd3 15. Rfd1 Qa5 16. Qxa5 Nxa5 17. b3 Bc2 18. Rd2 cxb3 19. axb3 Nxb3 20. Rxc2 Nxa1 21. Ra2 Nb3 22. Ra3 Nxc5 23. dxc5 Rfd8 24. Kf1 Rd3 25. Nb5 Rxa3 26. Nxa3 a5 27. Ke2 a4 28. Nd4 f5 29. f4 Bxd4 30. Bxd4 Rd8 0-1

[Event "Antonio Pacini mem-A email"]
[Site "Brazil CXEB"]
[Date "1999.09.20"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Salvador Marques, Joao Luis"]
[Result "1/2-1/2"]
[ECO "C81"]
[BlackElo "2375"]
[PlyCount "55"]
[EventDate "1999.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "BRA"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 0-0 11. c4 bxc4 12. Bxc4 Bc5 13. Be3 Bxe3 14. Qxe3 Qb8 15. Bb3 Na5 16. Nbd2 Qa7 17. Nd4 Nxd2 18. Qxd2 Qb6 19. Bc2 c5 20. Nf5 Bxf5 21. Bxf5 Rad8 22. b3 Nc6 23. e6 fxe6 24. Bxe6+ Kh8 25. Rac1 Nb4 26. Bg4 h6 27. a3 Nc6 28. Rc3 1/2-1/2

[Event "Antonio Pacini mem-A email"]
[Site "Brazil CXEB"]
[Date "1999.09.20"]
[Round "?"]
[White "Maia Vinagre, Henrique Pereira"]
[Black "Iwakura, Mario Rogerio"]
[Result "1-0"]
[ECO "B33"]
[WhiteElo "2411"]
[PlyCount "63"]
[EventDate "1999.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "BRA"]
[SourceTitle "Corr 2008"]
[Source "ChessBase"]
[SourceDate "2008.06.24"]
[SourceVersion "1"]
[SourceVersionDate "2008.06.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 b5 10. Nd5 f5 11. c3 Bg7 12. exf5 Bxf5 13. Nc2 0-0 14. Nce3 Be6 15. g3 f5 16. Qh5 Ne7 17. Bg2 Rb8 18. 0-0 Bxd5 19. Nxd5 Nxd5 20. Bxd5+ Kh8 21. Rad1 Qe7 22. g4 Qf6 23. g5 Qe7 24. Rd3 Qe8 25. g6 h6 26. Bf7 Qd7 27. Rfd1 Rb6 28. Rd5 Rd8 29. f4 exf4 30. Qh4 Rc6 31. Rxf5 Rcc8 32. Rh5 1-0

[Event "Antonio Pacini mem-A email"]
[Site "Brazil CXEB"]
[Date "1999.09.20"]
[Round "?"]
[White "Milher, Alberto Luis"]
[Black "Iwakura, Mario Rogerio"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "59"]
[EventDate "1999.??.??"]
[EventType "tourn (corr)"]
[EventRounds "14"]
[EventCountry "BRA"]
[SourceTitle "Corr 2002"]
[Source "ChessBase"]
[SourceDate "2002.05.23"]
[SourceVersion "1"]
[SourceVersionDate "2002.05.23"]
[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. Bxf6 Bxf6 11. c3 0-0 12. Nc2 Rb8 13. h4 Ne7 14. Nxf6+ gxf6 15. Bd3 d5 16. exd5 f5 17. Ne3 e4 18. Bc2 f4 19. Nf1 Nxd5 20. Qh5 Rb6 21. 0-0-0 Rd6 22. Bxe4 Nf6 23. Qg5+ Kh8 24. Bc2 Rxd1+ 25. Bxd1 Qd6 26. Bc2 Bb7 27. Nh2 Rg8 28. Rd1 Qxd1+ 29. Bxd1 Rxg5 30. hxg5 1-0

[Event "Sao Bento do Sul JASC"]
[Site "Sao Bento do Sul"]
[Date "1996.11.??"]
[Round "3"]
[White "Iwakura, Mario Rogerio"]
[Black "Cordeiro, Marco Aurelio Zaror"]
[Result "0-1"]
[ECO "A44"]
[PlyCount "74"]
[EventDate "1996.11.01"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Florianopolis"]
[BlackTeam "Joacaba"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. d4 c5 2. d5 e5 3. c4 d6 4. Nc3 f5 5. e4 Nf6 6. Bg5 Be7 7. Bxf6 Bxf6 8. Bd3 fxe4 9. Nxe4 0-0 10. Ne2 g6 11. N2g3 Bh4 12. Qe2 Qe7 13. Nf1 Bf6 14. Ne3 Bg7 15. h4 Bf5 16. f3 Nd7 17. g4 Bxe4 18. Bxe4 Nf6 19. h5 Nxe4 20. fxe4 Qg5 21. hxg6 hxg6 22. Kd2 Rf4 23. Kd3 Raf8 24. Raf1 Bh6 25. Rh2 Rxf1 26. Nxf1 Kg7 27. Ne3 Qf4 28. Rg2 Bg5 29. Rg1 Rf6 30. b3 Qf3 31. Rf1 Qxe3+ 32. Qxe3 Bxe3 33. Rxf6 Kxf6 34. Kxe3 Kg5 35. Kf3 Kh4 36. a3 g5 37. b4 b6 0-1

[Event "Sao Bento do Sul JASC"]
[Site "Sao Bento do Sul"]
[Date "1996.11.??"]
[Round "6"]
[White "Iwakura, Mario Rogerio"]
[Black "Dos Santos, Haroldo Cunha Jr"]
[Result "1-0"]
[ECO "C06"]
[BlackElo "2260"]
[PlyCount "96"]
[EventDate "1996.11.01"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Florianopolis"]
[BlackTeam "Joinville"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 Qb6 9. Nf3 f6 10. exf6 Nxf6 11. 0-0 Bd6 12. Nc3 0-0 13. Re1 a6 14. a3 Qc7 15. Bg5 Qf7 16. Bh4 Qh5 17. Bg3 Bxg3 18. fxg3 Bd7 19. Qe2 Rae8 20. h3 Re7 21. Rad1 Qe8 22. g4 Qb8 23. Bb1 Qa7 24. Kh1 g6 25. Qd3 Ne8 26. Ng5 Nd6 27. b3 b5 28. Ne2 Qb8 29. h4 Rg7 30. Ng3 Rf6 31. Rf1 Qd8 32. Rxf6 Qxf6 33. Rf1 Qe7 34. Re1 Nf7 35. Nf3 Qxa3 36. h5 Qd6 37. Nh2 Qf4 38. Ne2 Qg5 39. Ng3 Qf6 40. Rd1 Qf2 41. g5 Nxg5 42. Ng4 Qf8 43. Rf1 Qd6 44. Qe3 Nf7 45. h6 Kh8 46. hxg7+ Kxg7 47. Qf4 Qxf4 48. Rxf4 h5 1-0

[Event "Sao Bento do Sul JASC"]
[Site "Sao Bento do Sul"]
[Date "1996.11.??"]
[Round "4"]
[White "Iwakura, Mario Rogerio"]
[Black "Moro, Fabio"]
[Result "1-0"]
[ECO "B22"]
[BlackElo "2100"]
[PlyCount "65"]
[EventDate "1996.11.01"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Florianopolis"]
[BlackTeam "Chapeco"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. Nf3 Nc6 6. cxd4 e5 7. Nc3 Bb4 8. Bd2 Bxc3 9. Bxc3 e4 10. Ne5 Nxe5 11. dxe5 Ne7 12. Be2 Qxd1+ 13. Rxd1 0-0 14. Bb4 Nc6 15. Bxf8 Kxf8 16. Bb5 Nxe5 17. Rd8+ Ke7 18. Re8+ Kf6 19. 0-0 a6 20. Be2 Nc6 21. Bg4 Ne7 22. Rc1 Bxg4 23. Rxa8 Be6 24. a3 Bd5 25. Kf1 Nf5 26. Rc5 Bc6 27. Rxc6+ bxc6 28. Rxa6 Nd4 29. Ke1 Ke6 30. Kd2 f6 31. Ke3 Kd5 32. Ra7 Nc2+ 33. Kd2 1-0

[Event "Sao Bento do Sul JASC"]
[Site "Sao Bento do Sul"]
[Date "1996.11.??"]
[Round "7"]
[White "Luchetta, Gediel"]
[Black "Iwakura, Mario Rogerio"]
[Result "1/2-1/2"]
[ECO "D02"]
[PlyCount "89"]
[EventDate "1996.11.01"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Concordia"]
[BlackTeam "Florianopolis"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 Bg4 4. e3 e6 5. Nbd2 c5 6. c3 Nbd7 7. Be2 Be7 8. 0-0 0-0 9. Re1 Qb6 10. Qb3 c4 11. Qxb6 axb6 12. Ne5 Bxe2 13. Rxe2 b5 14. Bg5 Bd6 15. Nxd7 Nxd7 16. Bf4 Bxf4 17. exf4 Ra6 18. g3 Rfa8 19. Rae1 g6 20. Nf1 Nf6 21. f3 Nd7 22. g4 Kg7 23. Ng3 Kf6 24. h4 Rg8 25. Kf2 Kg7 26. f5 Re8 27. h5 Nf6 28. hxg6 hxg6 29. Re5 Nd7 30. R5e2 Nf6 31. Re5 Nd7 32. R5e2 Nf6 33. Re5 Rh8 34. Kg2 exf5 35. gxf5 Raa8 36. fxg6 Kxg6 37. Rh1 Rxh1 38. Kxh1 Re8 39. Rxe8 Nxe8 40. Kg2 Kg5 41. Kf2 f5 42. Ke2 Ng7 43. Nf1 Ne8 44. Ne3 Nf6 45. Kf2 1/2-1/2

[Event "Sao Bento do Sul JASC"]
[Site "Sao Bento do Sul"]
[Date "1996.11.??"]
[Round "5"]
[White "Vonk, Rogerio"]
[Black "Iwakura, Mario Rogerio"]
[Result "0-1"]
[ECO "A52"]
[PlyCount "58"]
[EventDate "1996.11.01"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Jaragua do Sul"]
[BlackTeam "Florianopolis"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. e6 fxe6 6. h3 Nf6 7. Nc3 Be7 8. e4 0-0 9. e5 Nh5 10. Be3 d6 11. exd6 cxd6 12. Qd2 b6 13. Be2 Bb7 14. Rd1 Qe8 15. Ng5 Nd8 16. 0-0 h6 17. Nge4 Qg6 18. Bxh5 Qxh5 19. Nxd6 Bc6 20. Qe2 Qg6 21. Qg4 Qh7 22. Nde4 h5 23. Qg3 Bxe4 24. Rd7 Bf6 25. Nxe4 Qxe4 26. Bh6 Nf7 27. Be3 h4 28. Qf3 Qxf3 29. gxf3 Ne5 0-1

[Event "Rio do Sul JASC"]
[Site "Rio do Sul"]
[Date "1995.10.??"]
[Round "4"]
[White "De Haro, Martim Alfonso"]
[Black "Iwakura, Mario Rogerio"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "2180"]
[PlyCount "64"]
[EventDate "1995.10.29"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Bc5 5. e3 Nc6 6. Be2 Ngxe5 7. 0-0 0-0 8. Nc3 d6 9. Nd5 Nxf3+ 10. Bxf3 Ne5 11. Be2 c6 12. b4 Bb6 13. Nxb6 axb6 14. Bb2 Qe7 15. f4 Nd7 16. Qd4 f6 17. a3 Re8 18. Rf3 Nf8 19. Rg3 Kh8 20. Qxb6 Ne6 21. b5 Nc5 22. Rf3 Bg4 23. Rf2 Bd7 24. Rd1 Ne4 25. Rff1 Nc5 26. Rf2 Bf5 27. bxc6 Ra6 28. Qb4 bxc6 29. Bh5 Rd8 30. Be2 Raa8 31. Bd4 Ne4 32. Qb3 Nxf2 0-1

[Event "Rio do Sul JASC op"]
[Site "Rio do Sul"]
[Date "1995.10.??"]
[Round "4"]
[White "Iwakura, Mario Rogerio"]
[Black "Gauche, Eduardo"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "112"]
[EventDate "1995.10.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c3 Nf6 3. Bf4 e6 4. Nf3 c5 5. e3 Nc6 6. h3 Bd6 7. Bxd6 Qxd6 8. Be2 0-0 9. 0-0 e5 10. dxc5 Qxc5 11. Nbd2 Re8 12. Re1 Bf5 13. Qa4 Qb6 14. Qb3 Qc7 15. g4 Be6 16. Ng5 Bc8 17. Ngf3 h6 18. Bf1 Be6 19. Qa4 a6 20. g5 hxg5 21. Nxg5 e4 22. Bg2 Ne5 23. f4 Nd3 24. Reb1 Bd7 25. Qd4 Nxf4 26. exf4 Qxf4 27. Ngf3 Qg3 28. Nf1 Qg6 29. Ne5 Qh5 30. Nxd7 Nxd7 31. Re1 Re5 32. Re3 Rg5 33. Rg3 Ne5 34. Rxg5 Qxg5 35. Qe3 Qg6 36. Kh2 f5 37. Rd1 Qd6 38. Kh1 Nd3 39. Rd2 f4 40. Qd4 Rd8 41. c4 Qf8 42. Nh2 Qb4 43. Qc3 Qc5 44. Rxd3 exd3 45. cxd5 Qxc3 46. bxc3 d2 47. Bf3 Kf8 48. Ng4 Rxd5 49. Bd1 Rc5 50. Kg2 Rxc3 51. Nf2 b5 52. Kf1 Re3 53. Bb3 a5 54. Kg2 Rxb3 55. axb3 a4 56. bxa4 bxa4 0-1

[Event "Rio do Sul JASC"]
[Site "Rio do Sul"]
[Date "1995.10.??"]
[Round "6"]
[White "Martins, Eliseu Colombi"]
[Black "Iwakura, Mario Rogerio"]
[Result "0-1"]
[ECO "A26"]
[PlyCount "82"]
[EventDate "1995.10.29"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d6 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 e5 6. d3 0-0 7. Nc3 Nc6 8. Bg5 h6 9. Bd2 Bg4 10. Rb1 a5 11. a3 Qd7 12. b4 axb4 13. axb4 Bh3 14. Qc2 Nh5 15. c5 Bxg2 16. Kxg2 d5 17. b5 Ne7 18. b6 c6 19. Ra1 f5 20. e3 e4 21. Nd4 Rxa1 22. Rxa1 f4 23. dxe4 Bxd4 24. exd4 f3+ 25. Kf1 Qh3+ 26. Ke1 Qxh2 27. Bxh6 Qg1+ 28. Kd2 Qxa1 29. Bxf8 Kxf8 30. exd5 cxd5 31. c6 Nxc6 32. Qxg6 Qb2+ 33. Kd1 Qxc3 34. Qf5+ Ke7 35. Qh7+ Ke6 36. Qxh5 Qd3+ 37. Kc1 Nxd4 38. Qe8+ Kd6 39. Qd8+ Kc6 40. Qc7+ Kb5 41. Qd7+ Kxb6 0-1

[Event "BRA-ch10 corr"]
[Site "Brazil"]
[Date "1995.??.??"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "De Oliveira, Marcio Barbosa"]
[Result "0-1"]
[ECO "B78"]
[PlyCount "54"]
[EventDate "1995.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. h4 h5 13. Bg5 Rc5 14. g4 hxg4 15. f4 Nc4 16. Qe2 b5 17. f5 gxf5 18. Bxf6 Bxf6 19. Nxf5 Rxf5 20. exf5 Bxf5 21. Bxc4 bxc4 22. Nd5 Be5 23. Qxc4 e6 24. Ne3 Qb6 25. Kd2 d5 26. Qa4 Qxb2 27. Nxg4 Qc3+ 0-1

[Event "CBI-C-X-S-0006 corr"]
[Site "Brazil CXEB"]
[Date "1994.06.15"]
[Round "?"]
[White "Cipolli, Antonio Carlos Rodr"]
[Black "Iwakura, Mario Rogerio"]
[Result "1-0"]
[ECO "D20"]
[PlyCount "69"]
[EventDate "1994.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. c4 dxc4 6. Bxc4 Nf6 7. 0-0 0-0 8. Bg5 Bg4 9. Nc3 Nbd7 10. Re1 c6 11. Qd3 Qc7 12. a3 Bh5 13. Nh4 Kh8 14. Nf5 Bg6 15. Qf3 Rae8 16. h3 Rxe1+ 17. Rxe1 Re8 18. Rxe8+ Nxe8 19. Nxd6 Nxd6 20. Bf4 Nb6 21. Bxd6 Qxd6 22. Bxf7 Qxd4 23. Bxg6 hxg6 24. Qf7 Kh7 25. Qxb7 Qd2 26. Qxc6 Qe1+ 27. Kh2 Qxf2 28. Ne4 Qf5 29. Qe8 Nd5 30. Qe6 Qh5 31. b4 Nb6 32. Qe7 Qf5 33. Qh4+ Kg8 34. Qd8+ Kh7 35. Ng5+ 1-0

[Event "CBI-C-X-S-0006 corr"]
[Site "Brazil CXEB"]
[Date "1994.06.15"]
[Round "?"]
[White "Dos Santos Galvao, Luiz Carlos"]
[Black "Iwakura, Mario Rogerio"]
[Result "1/2-1/2"]
[ECO "B53"]
[PlyCount "77"]
[EventDate "1994.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nc3 Nf6 8. Bg5 e6 9. 0-0-0 Be7 10. Qd3 Qa5 11. Kb1 0-0 12. h4 Rfd8 13. Nd4 Rac8 14. f4 Be8 15. f5 h6 16. fxe6 fxe6 17. Nxe6 Rxc3 18. Qxc3 Qxc3 19. bxc3 hxg5 20. Nxd8 Bxd8 21. Rxd6 Bc7 22. Rd4 gxh4 23. Rxh4 Bc6 24. Kb2 g5 25. Rh1 Be5 26. Rc4 Kf7 27. Rxc6 bxc6 28. Kb3 g4 29. Kc4 Kg6 30. Kc5 Nxe4+ 31. Kxc6 Nxc3 32. a4 Bd4 33. a5 Kf5 34. Rf1+ Ke4 35. Rf8 g3 36. Rf3 Ne2 37. c4 Bf2 38. Kd6 Nf4 39. Rxf4+ 1/2-1/2

[Event "CBI-C-X-S-0006 corr"]
[Site "Brazil CXEB"]
[Date "1994.06.15"]
[Round "?"]
[White "Felicio, Clairton"]
[Black "Iwakura, Mario Rogerio"]
[Result "1/2-1/2"]
[ECO "B22"]
[PlyCount "81"]
[EventDate "1994.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bg4 6. Be2 e6 7. h3 Bh5 8. 0-0 Nf6 9. Be3 cxd4 10. cxd4 Be7 11. Nc3 Qa5 12. Qb3 Qb4 13. Qxb4 Bxb4 14. g4 Bg6 15. Ne5 0-0 16. Nxc6 bxc6 17. Rac1 Rfd8 18. Rfd1 Rab8 19. Na4 Be4 20. Bf4 Rb7 21. b3 Rbd7 22. Nc5 Rxd4 23. Rxd4 Rxd4 24. Be3 Bxc5 25. Rxc5 Rd7 26. f3 Bb1 27. Rxc6 h6 28. Ra6 Nd5 29. Rxa7 Rxa7 30. Bxa7 Bxa2 31. Bc4 Kf8 32. Bc5+ Ke8 33. h4 g6 34. Kf2 h5 35. g5 Kd7 36. Bb5+ Kd8 37. b4 Nc3 38. Bd3 Nd5 39. b5 Kc7 40. Bd4 Kd6 41. b6 1/2-1/2

[Event "CBI-C-X-S-0006 corr"]
[Site "Brazil CXEB"]
[Date "1994.06.15"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Bastos, Paulo Rubio Leite"]
[Result "1/2-1/2"]
[ECO "C78"]
[PlyCount "77"]
[EventDate "1994.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bb7 7. Re1 Bc5 8. c3 d6 9. d4 Bb6 10. Bg5 h6 11. Bh4 g5 12. Bg3 0-0 13. a4 Na5 14. Bc2 Nh5 15. axb5 axb5 16. dxe5 Nxg3 17. hxg3 dxe5 18. Nxe5 Qe7 19. Ng4 Kg7 20. Nd2 Rfd8 21. Qe2 b4 22. Ne3 Qc5 23. Nf5+ Kg6 24. Nb3 Qc4 25. Qxc4 Nxc4 26. e5 Rxa1 27. Rxa1 Bd5 28. Rd1 c6 29. Ne3+ Kg7 30. Nxc4 Bxc4 31. Nd4 bxc3 32. bxc3 Bd5 33. Nf5+ Kf8 34. Nxh6 Ba5 35. Ba4 Be6 36. Rxd8+ Bxd8 37. g4 c5 38. Bb5 Bc7 39. Nf5 1/2-1/2

[Event "CBI-C-X-S-0006 corr"]
[Site "Brazil CXEB"]
[Date "1994.06.15"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Buckmann, Rolf Dieter"]
[Result "0-1"]
[ECO "B97"]
[PlyCount "84"]
[EventDate "1994.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. f5 Nc6 11. fxe6 fxe6 12. Nxc6 bxc6 13. e5 dxe5 14. Bxf6 gxf6 15. Ne4 Qxa2 16. Rd1 Be7 17. Bd3 f5 18. 0-0 Ra7 19. Qh6 Rd7 20. Nf6+ Bxf6 21. Qxf6 Rf8 22. Qxe5 Qd5 23. Qe2 Qc5+ 24. Kh1 Ra7 25. Bc4 Rf6 26. Rf3 Rd7 27. Rb1 Kf7 28. Rf4 a5 29. Rbf1 Rd4 30. Rxd4 Qxd4 31. Rd1 Qf4 32. Rd8 Rh6 33. h3 Rh4 34. Ba2 Qc7 35. Qd2 Re4 36. Kg1 Qg3 37. Bc4 Rxc4 38. Rxc8 Qh4 39. Kh1 Rd4 40. Qe3 Qf4 41. Qe2 Rd2 42. Qh5+ Kf6 0-1

[Event "CBI-C-X-S-0006 corr"]
[Site "Brazil CXEB"]
[Date "1994.06.15"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Mazzarolo Neto, Luiz"]
[Result "1-0"]
[ECO "B07"]
[PlyCount "61"]
[EventDate "1994.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nf6 5. f3 0-0 6. Qd2 e5 7. d5 c6 8. 0-0-0 c5 9. g4 h5 10. gxh5 Nxh5 11. Bh3 Nd7 12. Nge2 Ndf6 13. Bxc8 Rxc8 14. Rdg1 Kh7 15. Kb1 Qa5 16. Ng3 b5 17. Bg5 c4 18. Nce2 Qxd2 19. Bxd2 Bh6 20. Bb4 Rfd8 21. Nxh5 Nxh5 22. Ng3 Be3 23. Re1 Bh6 24. Nxh5 gxh5 25. Rhg1 Rd7 26. Re2 Rg8 27. Rxg8 Kxg8 28. b3 cxb3 29. cxb3 Kg7 30. Rg2+ Kh7 31. Rc2 1-0

[Event "CBI-C-X-S-0006 corr"]
[Site "Brazil CXEB"]
[Date "1994.06.15"]
[Round "?"]
[White "Piras, Ennio"]
[Black "Iwakura, Mario Rogerio"]
[Result "1/2-1/2"]
[ECO "B77"]
[PlyCount "104"]
[EventDate "1994.??.??"]
[EventType "tourn (corr)"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bc4 0-0 8. f3 Nc6 9. Qd2 Bd7 10. g4 Rc8 11. Nxc6 Rxc6 12. Bb3 Be6 13. Nd5 Nd7 14. Nb4 Rc8 15. Nd3 Nb6 16. h4 Nc4 17. Bxc4 Bxc4 18. h5 Bxd3 19. cxd3 Qc7 20. h6 Bh8 21. Ke2 d5 22. Rac1 Qd7 23. Qb4 a5 24. Qb6 Qe6 25. Rxc8 Rxc8 26. Rc1 Qd7 27. Qb5 Qd8 28. Qxa5 dxe4 29. dxe4 Bxb2 30. Qxd8+ Rxd8 31. Rb1 Ba3 32. Rxb7 f5 33. exf5 gxf5 34. g5 Kf7 35. Rb5 Kg6 36. Ra5 Bd6 37. f4 Rb8 38. Ra6 Kh5 39. Kd3 Rb4 40. Bd4 Bxf4 41. g6 e5 42. Bc5 e4+ 43. Kc3 Rb8 44. g7 Rg8 45. Bf8 Kg4 46. a4 Kf3 47. Re6 e3 48. Kd3 e2 49. Rxe2 Bxh6 50. Re7 Bxg7 51. Bxg7 Ra8 52. Bc3 Rxa4 1/2-1/2

[Event "BRA-ch sf"]
[Site "Porto Alegre"]
[Date "1994.06.??"]
[Round "4"]
[White "Correa, Aron Antunes"]
[Black "Iwakura, Mario Rogerio"]
[Result "1-0"]
[ECO "E69"]
[WhiteElo "2345"]
[PlyCount "65"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. g3 d6 6. Bg2 Nbd7 7. 0-0 c6 8. h3 e5 9. e4 Re8 10. Be3 Qc7 11. d5 c5 12. a3 a6 13. Nd2 Rf8 14. b4 Ne8 15. g4 b6 16. Qe2 f5 17. gxf5 gxf5 18. exf5 Ndf6 19. bxc5 bxc5 20. f4 exf4 21. Bxf4 Bxf5 22. Rae1 Qd7 23. Kh2 Kh8 24. Nce4 Nxe4 25. Nxe4 Bg6 26. Kh1 Nc7 27. Qe3 Rae8 28. Qg3 Be5 29. Bxe5+ dxe5 30. Rxf8+ Rxf8 31. Qxe5+ Qg7 32. Qxg7+ Kxg7 33. Nxc5 1-0

[Event "BRA-ch sf"]
[Site "Porto Alegre"]
[Date "1994.06.??"]
[Round "2"]
[White "De Souza, Mauro Guimaraes"]
[Black "Iwakura, Mario Rogerio"]
[Result "1-0"]
[ECO "C89"]
[WhiteElo "2315"]
[PlyCount "67"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d5 9. exd5 Nxd5 10. d4 exd4 11. cxd4 Bg4 12. Nc3 Nf6 13. Be3 Na5 14. Bc2 Nc4 15. Bc1 Re8 16. h3 Bh5 17. g4 Bg6 18. Bxg6 hxg6 19. Ne5 Bd6 20. Nxc4 bxc4 21. Be3 Bb4 22. Rc1 Nd5 23. Qf3 Bxc3 24. bxc3 Qd7 25. Bd2 c6 26. Rxe8+ Rxe8 27. Rb1 Qd6 28. Rb7 Re7 29. Rb1 Qa3 30. Rb8+ Kh7 31. Qg3 g5 32. Bxg5 Re1+ 33. Kg2 Re6 34. Qh4+ 1-0

[Event "BRA-ch sf"]
[Site "Porto Alegre"]
[Date "1994.06.??"]
[Round "6"]
[White "Disconzi da Silva, Rodrigo"]
[Black "Iwakura, Mario Rogerio"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2360"]
[PlyCount "71"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. e3 e6 4. Bd3 c5 5. c3 Be7 6. Nd2 b6 7. Ngf3 0-0 8. Ne5 Bb7 9. Qf3 Nbd7 10. Qh3 Ne4 11. Bxe7 Qxe7 12. Nxd7 Qxd7 13. f3 Nf6 14. g4 g6 15. Qg3 Qe7 16. 0-0-0 Rfc8 17. Kb1 Rab8 18. Rc1 Ne8 19. h4 cxd4 20. exd4 Nd6 21. h5 g5 22. Rhe1 b5 23. f4 Nc4 24. Nf3 h6 25. fxg5 hxg5 26. h6 Qf6 27. Ka1 b4 28. cxb4 Qxh6 29. Rh1 Qf6 30. Rh5 Ne3 31. Rch1 Rd8 32. Rh8+ Qxh8 33. Rxh8+ Kxh8 34. Qe5+ Kg8 35. Qxe3 Rbc8 36. a3 1-0

[Event "BRA-ch sf"]
[Site "Porto Alegre"]
[Date "1994.06.??"]
[Round "5"]
[White "Iwakura, Mario Rogerio"]
[Black "Arruda Filho, Raul"]
[Result "1-0"]
[ECO "B35"]
[PlyCount "59"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 Qa5 9. f3 b5 10. Qd2 a6 11. 0-0-0 Ne5 12. Kb1 Qc7 13. g4 Nc4 14. Bxc4 bxc4 15. g5 Nh5 16. Nd5 Qd6 17. Ne2 Rb8 18. c3 Bb7 19. Nf6+ Bxf6 20. Qxd6 exd6 21. gxf6 Nxf6 22. Ng3 d5 23. Bd4 Ne8 24. exd5 Ng7 25. Rhe1 Rfe8 26. Be5 Ra8 27. Ne4 Rf8 28. Nf6+ Kh8 29. Nxd7 Rfd8 30. Nb6 1-0

[Event "BRA-ch9 corr"]
[Site "Brazil"]
[Date "1994.??.??"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Mascarenhas, Alberto Pinheiro"]
[Result "0-1"]
[ECO "C06"]
[PlyCount "90"]
[EventDate "1994.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. 0-0 Bd6 11. Nf3 Qc7 12. Nc3 a6 13. Bg5 0-0 14. Bh4 Nh5 15. Re1 g6 16. Bg5 Qg7 17. Be3 Bd7 18. Bf1 h6 19. g3 Nf6 20. h3 g5 21. Bg2 Be8 22. Qd2 Ne4 23. Qe2 Bg6 24. Nd2 Nxd2 25. Qxd2 Nb4 26. Rec1 Nd3 27. Rd1 Rf6 28. Bf1 Nf4 29. a3 Raf8 30. b4 Bh5 31. Rdc1 Bf3 32. Kh2 Qg6 33. Ne2 Nd3 34. Ng1 Nxc1 35. Rxc1 Be4 36. Rc3 Qf7 37. Bg2 Bxg2 38. Kxg2 e5 39. Rc2 e4 40. Qc1 Bf4 41. gxf4 gxf4 42. Bd2 Qg7+ 43. Kh2 f3 44. Qf1 Rg6 45. Kh1 Rg2 0-1

[Event "BRA-ch7 f corr"]
[Site "Brazil"]
[Date "1992.??.??"]
[Round "?"]
[White "Alvarenga, Reynaldo Augusto Fe"]
[Black "Iwakura, Mario Rogerio"]
[Result "1-0"]
[ECO "D57"]
[PlyCount "97"]
[EventDate "1992.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[EventCountry "BRA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. cxd5 Nxc3 10. bxc3 exd5 11. Qb3 Rd8 12. c4 dxc4 13. Bxc4 Nc6 14. Be2 Rb8 15. 0-0 Be6 16. Qc3 Nb4 17. a3 Nd5 18. Qc2 c6 19. Ne5 Nf6 20. Rfc1 Rbc8 21. Rab1 Rc7 22. Qa4 a6 23. Qa5 Rdc8 24. Rb2 Nd7 25. Nd3 Bd5 26. Nf4 Be4 27. Bg4 Qg5 28. Qxg5 hxg5 29. Nh3 c5 30. Nxg5 cxd4 31. Rd1 Bg6 32. exd4 Rd8 33. f4 Nf6 34. f5 Bh7 35. Bf3 b5 36. Nxh7 Kxh7 37. Rd3 Kh6 38. h3 Kg5 39. g4 Rcd7 40. Rbd2 Kf4 41. Rd1 Nd5 42. Kf2 g6 43. fxg6 fxg6 44. Re1 Nf6 45. Re6 Rd6 46. Rde3 a5 47. d5 b4 48. Rxf6+ Rxf6 49. h4 1-0

[Event "BRA-ch7 f corr"]
[Site "Brazil"]
[Date "1992.??.??"]
[Round "?"]
[White "Galvao Barata, Hemar Antonio"]
[Black "Iwakura, Mario Rogerio"]
[Result "1/2-1/2"]
[ECO "C85"]
[PlyCount "67"]
[EventDate "1992.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[EventCountry "BRA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Bxc6 dxc6 7. d3 Nd7 8. Nbd2 0-0 9. Nc4 f6 10. Ne3 Nc5 11. Nf5 Bxf5 12. exf5 Qd5 13. Nd2 Rfe8 14. Qe2 Rad8 15. Ne4 Nxe4 16. dxe4 Qd4 17. c3 Qa4 18. b3 Qb5 19. c4 Qb6 20. Be3 Bc5 21. Bxc5 Qxc5 22. Rad1 Rd4 23. Rd3 Red8 24. Rfd1 Qb6 25. Rxd4 Rxd4 26. Rxd4 Qxd4 27. g3 Kf8 28. Kg2 b5 29. Qc2 b4 30. Kf1 Ke7 31. c5 a5 32. Ke2 Ke8 33. Ke1 Ke7 34. Ke2 1/2-1/2

[Event "BRA-ch7 f corr"]
[Site "Brazil"]
[Date "1992.??.??"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Alvim, Antonio Carlos Rodr"]
[Result "1-0"]
[ECO "B81"]
[PlyCount "75"]
[EventDate "1992.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[EventCountry "BRA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 Nc6 8. g5 Nd7 9. Be3 Be7 10. h4 0-0 11. Qd2 Nxd4 12. Bxd4 b5 13. 0-0-0 b4 14. Ne2 Bb7 15. Ng3 a5 16. Bb5 Qc7 17. Kb1 Nc5 18. Qe2 a4 19. f4 d5 20. Nh5 Nxe4 21. Bxg7 a3 22. Be5 axb2 23. Nf6+ Bxf6 24. gxf6 Kh8 25. Bxc7 Nc3+ 26. Kxb2 Rxa2+ 27. Kb3 Nxe2 28. Kxa2 Nc3+ 29. Kb3 Nxb5 30. Be5 Na3 31. Rd4 Nc4 32. Ra1 h5 33. Ra7 Bc6 34. Kxb4 Ne3 35. Kc5 Be8 36. Rb4 Nf5 37. Rb8 Nxh4 38. Raa8 1-0

[Event "BRA-ch7 f corr"]
[Site "Brazil"]
[Date "1992.??.??"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Breitenbach, Joao"]
[Result "1-0"]
[ECO "C54"]
[PlyCount "81"]
[EventDate "1992.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[EventCountry "BRA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. Be3 0-0 10. Nc3 Ba5 11. Rc1 Bg4 12. 0-0 Ne7 13. h3 Nxc3 14. bxc3 Bh5 15. Bg5 c6 16. Be2 h6 17. Bf4 Qd7 18. Qd2 Bg6 19. Nh4 Be4 20. Bh2 c5 21. dxc5 Qc6 22. Qb2 Qxc5 23. Nf3 Rfc8 24. Nd2 Bf5 25. c4 Qb4 26. Nb3 dxc4 27. Bxc4 Rc6 28. a3 Qb6 29. Bf4 Rac8 30. Be3 Qc7 31. Nxa5 Qxa5 32. Qb3 Qxe5 33. Bxf7+ Kf8 34. Rxc6 Rxc6 35. Rd1 Rc8 36. Bd4 Qe2 37. Ra1 Rc7 38. Qg3 Kxf7 39. Qxc7 Be4 40. Bc3 Qh5 41. Bb4 1-0

[Event "BRA-ch7 f corr"]
[Site "Brazil"]
[Date "1992.??.??"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Gyuricza, Gyorgy Laszlo"]
[Result "1-0"]
[ECO "C81"]
[PlyCount "43"]
[EventDate "1992.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[EventCountry "BRA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Qe2 Be7 10. Rd1 0-0 11. c4 bxc4 12. Bxc4 Bd7 13. Bxd5 Nd6 14. exd6 Bxd6 15. Nc3 Re8 16. Qc4 Qf6 17. Ne4 Rxe4 18. Bxe4 Ne5 19. Nxe5 Be6 20. Qc6 Rd8 21. Nf3 Bxh2+ 22. Kxh2 1-0

[Event "BRA-ch7 f corr"]
[Site "Brazil"]
[Date "1992.??.??"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Maia, Jose Eduardo Bastos"]
[Result "1-0"]
[ECO "C65"]
[PlyCount "73"]
[EventDate "1992.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[EventCountry "BRA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Bc5 5. c3 0-0 6. d4 Bb6 7. Bg5 h6 8. Bh4 d6 9. Bxc6 bxc6 10. Nbd2 Qe7 11. Re1 g5 12. Bg3 Nd7 13. Qa4 Bb7 14. Nc4 f6 15. Ne3 Kh7 16. Nf5 Qf7 17. Rad1 Rad8 18. Nd2 Rfe8 19. Nc4 Nf8 20. h3 Ng6 21. dxe5 fxe5 22. Nce3 Nf4 23. c4 a5 24. Qb3 Ne6 25. c5 a4 26. Qxa4 Nxc5 27. Qb4 d5 28. Ng4 Nxe4 29. Nfxh6 Qf8 30. Rxe4 c5 31. Qc3 dxe4 32. Rxd8 Rxd8 33. Qxe5 Qg7 34. Qe6 Rd1+ 35. Kh2 Qg6 36. Qe7+ Qg7 37. Nf7 1-0

[Event "BRA-ch7 f corr"]
[Site "Brazil"]
[Date "1992.??.??"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Sormani, Celio"]
[Result "0-1"]
[ECO "E40"]
[PlyCount "58"]
[EventDate "1992.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[EventCountry "BRA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Bxc3+ 5. bxc3 b6 6. Qf3 Nc6 7. e4 e5 8. d5 Ne7 9. g4 d6 10. g5 Nd7 11. Be3 0-0 12. Bd3 f5 13. exf5 e4 14. Qxe4 Nc5 15. Bxc5 Bxf5 16. Qe3 Bxd3 17. Qxd3 bxc5 18. Ne2 Ng6 19. h4 Ne5 20. Qh3 Rf3 21. Qe6+ Kh8 22. 0-0 Qf8 23. Ng3 Re8 24. Qh3 Qf4 25. Rae1 Rf8 26. Kh2 Rxc3 27. Re3 Nf3+ 28. Rxf3 Rxf3 29. g6 h6 0-1

[Event "BRA-ch7 f corr"]
[Site "Brazil"]
[Date "1992.??.??"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Teixeira, Fernando Cesar Mart"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "114"]
[EventDate "1992.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[EventCountry "BRA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 g6 4. Ngf3 Bg4 5. c3 Bg7 6. Qb3 Qb6 7. exd5 Qxb3 8. axb3 cxd5 9. Bb5+ Nd7 10. h3 Bxf3 11. Nxf3 a6 12. Bf4 Rc8 13. Bd3 Ngf6 14. 0-0 0-0 15. Rfe1 e6 16. b4 Ra8 17. Ra5 Rfc8 18. Rea1 Nb6 19. Nd2 Nfd7 20. Nb3 e5 21. Be3 Nc4 22. Rxd5 Nxb2 23. Rxd7 Nxd3 24. Bd2 exd4 25. Nxd4 Nxb4 26. Rb1 Nc6 27. Nxc6 bxc6 28. Rbb7 Rcb8 29. Rxf7 Rxb7 30. Rxb7 a5 31. Rb2 a4 32. Kf1 c5 33. Ke2 c4 34. Kd1 a3 35. Ra2 Kf7 36. Kc2 Ke6 37. Ra1 Kd5 38. Be3 Bf8 39. Rb1 Bc5 40. Rd1+ Kc6 41. Bxc5 Kxc5 42. Kb1 Rb8+ 43. Ka2 Rb3 44. Rd7 Rxc3 45. Rxh7 Rd3 46. g4 Kb4 47. Rb7+ Kc3 48. Rc7 Rxh3 49. Rc6 g5 50. Rc8 Rf3 51. Kxa3 Kc2+ 52. Ka2 c3 53. Rc5 Rxf2 54. Ka3 Rg2 55. Rf5 Rxg4 56. Rf2+ Kd3 57. Kb3 Rc4 0-1

[Event "BRA-ch7 f corr"]
[Site "Brazil"]
[Date "1992.??.??"]
[Round "?"]
[White "Portilho, Gilberto Fraga"]
[Black "Iwakura, Mario Rogerio"]
[Result "1/2-1/2"]
[ECO "D01"]
[PlyCount "33"]
[EventDate "1992.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[EventCountry "BRA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bg5 Nbd7 4. Nf3 g6 5. e3 Bg7 6. Bd3 0-0 7. 0-0 c6 8. Re1 Re8 9. e4 dxe4 10. Nxe4 Nxe4 11. Rxe4 Nf6 12. Rh4 Bg4 13. h3 Bxf3 14. Qxf3 Qd5 15. Qxd5 cxd5 16. Re1 h6 17. Bxf6 1/2-1/2

[Event "BRA-ch7 f corr"]
[Site "Brazil"]
[Date "1992.??.??"]
[Round "?"]
[White "Saboia Amorim, Gladstone"]
[Black "Iwakura, Mario Rogerio"]
[Result "1/2-1/2"]
[ECO "E90"]
[PlyCount "94"]
[EventDate "1992.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[EventCountry "BRA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 0-0 6. h3 e5 7. d5 Nbd7 8. Be3 Nc5 9. Nd2 a5 10. g4 Ne8 11. h4 f5 12. gxf5 gxf5 13. Qe2 f4 14. Bxc5 dxc5 15. Bh3 Bxh3 16. Rxh3 Qd7 17. Rh2 Nf6 18. h5 Bh6 19. Nf3 Ng4 20. Rg2 Kh8 21. 0-0-0 Rg8 22. Kb1 Qe7 23. Rdg1 Nf6 24. Nh4 Rxg2 25. Rxg2 Rg8 26. Rxg8+ Nxg8 27. Nf5 Qg5 28. Qf3 Bf8 29. Nb5 Nf6 30. Nxc7 Qg1+ 31. Kc2 Qe1 32. Ng3 Be7 33. Ne2 Kg7 34. Nc3 Kh6 35. N7b5 Nxh5 36. d6 Bh4 37. d7 Ng7 38. Nc7 Qf1 39. b3 Bd8 40. N7b5 Ne6 41. Ne2 Ng5 42. Qg4 Qxf2 43. Kd1 Qf1+ 44. Kc2 Qf2 45. Kb1 Qe1+ 46. Kb2 Qd2+ 47. Ka3 Qb4+ 1/2-1/2

[Event "BRA-ch7 f corr"]
[Site "Brazil"]
[Date "1992.??.??"]
[Round "?"]
[White "Simoes, Marco Polo Rios"]
[Black "Iwakura, Mario Rogerio"]
[Result "1/2-1/2"]
[ECO "D35"]
[PlyCount "59"]
[EventDate "1992.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[EventCountry "BRA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. cxd5 exd5 6. e3 h6 7. Bh4 0-0 8. Bd3 Nbd7 9. Nge2 c6 10. 0-0 Ne4 11. Bxe7 Qxe7 12. Qc2 Ndf6 13. Rae1 Bd7 14. f3 Nxc3 15. Nxc3 Rae8 16. Qf2 Qd6 17. Bb1 Re7 18. e4 dxe4 19. Nxe4 Nxe4 20. fxe4 b6 21. Rc1 Rd8 22. e5 Qd5 23. Qh4 Ree8 24. Qe4 Qxe4 25. Bxe4 Re7 26. Rfd1 Bg4 27. Rd3 Red7 28. Rxc6 Rxd4 29. Rcc3 Kf8 30. Kf2 1/2-1/2

[Event "Chapeco JASC qual"]
[Site "Chapeco"]
[Date "1991.10.??"]
[Round "4"]
[White "Becker, Rogerio Sperb"]
[Black "Iwakura, Mario Rogerio"]
[Result "1/2-1/2"]
[ECO "E94"]
[PlyCount "41"]
[EventDate "1991.10.20"]
[EventType "team-swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Chapeco"]
[BlackTeam "Maravilha"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. Nf3 d6 2. d4 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 0-0 6. Be2 Nbd7 7. 0-0 e5 8. Qc2 c6 9. d5 Qc7 10. Be3 c5 11. a3 a6 12. h3 h6 13. Rfc1 Ne8 14. Bd3 Ndf6 15. b4 b6 16. Rab1 Nh5 17. Qd2 Kh7 18. bxc5 bxc5 19. Qb2 f5 20. Qb6 Bd7 21. Bc2 1/2-1/2

[Event "Chapeco JASC qual"]
[Site "Chapeco"]
[Date "1991.10.??"]
[Round "1"]
[White "De Lucca, Assir"]
[Black "Iwakura, Mario Rogerio"]
[Result "0-1"]
[ECO "D01"]
[PlyCount "30"]
[EventDate "1991.10.20"]
[EventType "team-swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Herval d'Oeste"]
[BlackTeam "Maravilha"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 g6 4. Bxf6 exf6 5. e4 dxe4 6. Nxe4 Bg7 7. c3 0-0 8. Qc2 Re8 9. 0-0-0 Qd5 10. f3 Qxa2 11. Bd3 Bd7 12. Qf2 Bh6+ 13. Nd2 Ba4 14. Re1 Nc6 15. Ne2 Bxd2+ 0-1

[Event "Chapeco JASC qual"]
[Site "Chapeco"]
[Date "1991.10.??"]
[Round "5"]
[White "Iwakura, Mario Rogerio"]
[Black "Gauche, Charles"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "122"]
[EventDate "1991.10.20"]
[EventType "team-swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Maravilha"]
[BlackTeam "Blumenau"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 dxc6 7. 0-0 e5 8. Nd2 Bg4 9. Be2 Be6 10. c3 Bc5 11. Qc2 0-0 12. Nc4 Qc7 13. b4 Be7 14. f4 Bxc4 15. Bxc4 exf4 16. Bxf4 Bd6 17. g3 Ng4 18. Rae1 Bxf4 19. Rxf4 Ne5 20. Qe2 a5 21. Kh1 Rad8 22. Ref1 b5 23. Bb3 a4 24. Bc2 Rd7 25. Qh5 h6 26. g4 Rd2 27. Bb1 Qd6 28. g5 hxg5 29. Qxg5 Ng6 30. R4f2 Rxf2 31. Rxf2 Qd1+ 32. Qg1 Rd8 33. Bc2 Qxg1+ 34. Kxg1 Ne5 35. Re2 Kf8 36. Kf2 Ke7 37. Ke3 Rh8 38. Kf4 f6 39. Kg3 g5 40. h3 Rh4 41. Rf2 Rh8 42. Rd2 Rh4 43. Rf2 Ke6 44. Rf1 Ng6 45. Bd1 Ne5 46. Bg4+ Ke7 47. Rd1 Rh8 48. Be2 Rc8 49. h4 gxh4+ 50. Kxh4 Rh8+ 51. Kg3 Rg8+ 52. Kf2 Rh8 53. Kg2 Rg8+ 54. Kf2 Ke6 55. a3 Rh8 56. c4 Rh2+ 57. Ke1 Rh1+ 58. Kd2 Rxd1+ 59. Kxd1 Nxc4 60. Bxc4+ bxc4 61. Kc2 Ke5 0-1

[Event "Chapeco JASC qual"]
[Site "Chapeco"]
[Date "1991.10.??"]
[Round "2"]
[White "Iwakura, Mario Rogerio"]
[Black "Horst, Rodrigo"]
[Result "1/2-1/2"]
[ECO "C92"]
[PlyCount "61"]
[EventDate "1991.10.20"]
[EventType "team-swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Maravilha"]
[BlackTeam "Sao Bento do Sul"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Bb7 10. d4 Re8 11. Nbd2 Bf8 12. a4 h6 13. Bc2 exd4 14. cxd4 Nb4 15. Bb1 c5 16. d5 Nd7 17. Ra3 f5 18. exf5 Nf6 19. Ne4 Bxd5 20. Rae3 Bf7 21. Bd2 Nbd5 22. R3e2 Rb8 23. Nxf6+ Qxf6 24. Rxe8 Rxe8 25. Rxe8 Bxe8 26. Bxh6 Qxb2 27. Qxd5+ Bf7 28. Qd1 gxh6 29. axb5 axb5 30. Nh4 b4 31. Ng6 1/2-1/2

[Event "BRA-ch7 f corr"]
[Site "Brazil"]
[Date "1990.10.01"]
[Round "?"]
[White "Briao, Paulo Amilcar Goene"]
[Black "Iwakura, Mario Rogerio"]
[Result "1-0"]
[ECO "D52"]
[PlyCount "83"]
[EventDate "1992.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Nd2 dxc4 8. Bxf6 Nxf6 9. Nxc4 Qc7 10. Be2 Be7 11. a3 Nd5 12. Rc1 0-0 13. 0-0 Nb6 14. Ne5 Nd7 15. f4 f6 16. Nf3 Nb6 17. Qb3 Kh8 18. Bd3 Bd7 19. Qc2 Be8 20. g4 h6 21. h4 h5 22. g5 f5 23. Ne5 g6 24. Qb3 Qd6 25. Be2 Rb8 26. Na4 Nd5 27. Qd3 Kh7 28. Bf3 b6 29. Nc3 Bd7 30. Ne2 c5 31. Rfd1 Ba4 32. Rd2 Rbd8 33. Qa6 Bd7 34. dxc5 Qb8 35. Nxd7 Rxd7 36. c6 Nc7 37. Rxd7 Nxa6 38. Rxe7+ Kg8 39. c7 Qc8 40. b4 Kh8 41. Nd4 e5 42. Ne6 1-0

[Event "BRA-ch7 f corr"]
[Site "Brazil"]
[Date "1990.10.01"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Richieri Filho, Americo"]
[Result "1-0"]
[ECO "B99"]
[PlyCount "61"]
[EventDate "1992.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. Bd3 b5 11. Rhe1 Bb7 12. Qg3 b4 13. Nd5 exd5 14. e5 dxe5 15. fxe5 Nh5 16. Qh4 Bxg5+ 17. Qxg5 g6 18. e6 Ndf6 19. exf7+ Kxf7 20. Rf1 Rae8 21. g4 Qe5 22. Qh4 Qe3+ 23. Kb1 Nf4 24. g5 Nxd3 25. Rxd3 Qe4 26. Qh6 Qe1+ 27. Rd1 Qxd1+ 28. Rxd1 Ne4 29. Rf1+ Ke7 30. Qg7+ Kd6 31. Rf7 1-0

[Event "BRA-ch7 f corr"]
[Site "Brazil"]
[Date "1990.10.01"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Schuster, Mario Cesar Juck"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "68"]
[EventDate "1992.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[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. Bxf6 Bxf6 11. c3 0-0 12. Nc2 Rb8 13. Be2 Bg5 14. 0-0 a5 15. Na3 b4 16. Nb5 Qd7 17. Bc4 Nd8 18. Qd3 bxc3 19. Ndxc3 Ne6 20. Rfd1 Nf4 21. Qf1 Be7 22. b3 Bb7 23. Bd5 Kh8 24. Na3 f5 25. Qe1 Rbc8 26. Nc4 fxe4 27. Qxe4 Nxd5 28. Nxd5 Rc5 29. Ncb6 Qb5 30. Qd3 Qc6 31. Qh3 Bd8 32. Rd3 Bxb6 33. Ne7 Rc1+ 34. Rd1 Rxf2 1-0

[Event "BRA-ch7 f corr"]
[Site "Brazil"]
[Date "1990.10.01"]
[Round "?"]
[White "Medeiros, Marne"]
[Black "Iwakura, Mario Rogerio"]
[Result "0-1"]
[ECO "B76"]
[PlyCount "104"]
[EventDate "1992.??.??"]
[EventType "tourn (corr)"]
[EventRounds "16"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. 0-0-0 d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Bd4 e5 13. Bc5 Be6 14. Ne4 Re8 15. h4 h6 16. g4 Nf4 17. Qc3 Bd5 18. g5 h5 19. Qa3 Qc7 20. Nf6+ Bxf6 21. gxf6 Red8 22. c4 Be6 23. Bd6 Qd7 24. Rh2 Bf5 25. Rhd2 Qe6 26. Qc5 Re8 27. Be7 Nd5 28. Re1 Rac8 29. b3 e4 30. fxe4 Nxf6 31. Bxf6 Qxf6 32. e5 Qxh4 33. Qf2 Qxf2 34. Rxf2 c5 35. Bg2 Kg7 36. Bd5 Rc7 37. Kd2 Rce7 38. Rfe2 g5 39. a3 a5 40. Kc3 Kg6 41. b4 axb4+ 42. axb4 cxb4+ 43. Kxb4 f6 44. e6 Bg4 45. Kc5 Bxe2 46. Rxe2 f5 47. Bc6 Rd8 48. Bd7 Rexd7 49. exd7 Rxd7 50. Kc6 f4 51. c5 f3 52. Re6+ Kf5 0-1

[Event "BRA CBI-D corr"]
[Site "Brazil CXEB"]
[Date "1988.09.01"]
[Round "?"]
[White "Shuster, Mario CJ"]
[Black "Iwakura, Mario Rogerio"]
[Result "1-0"]
[ECO "B09"]
[PlyCount "53"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Be2 c5 7. dxc5 Qa5 8. 0-0 Qxc5+ 9. Kh1 Nc6 10. Qe1 d5 11. e5 Ne4 12. Bd3 f5 13. exf6 Nxf6 14. a3 Bd7 15. Nb5 e5 16. fxe5 Nxe5 17. Qxe5 Bxb5 18. Be3 Qc6 19. Bxb5 Qxb5 20. Qe6+ Kh8 21. Ng5 d4 22. Bd2 Ne4 23. Rxf8+ Rxf8 24. Nf7+ Rxf7 25. Qxf7 Nxd2 26. Re1 h6 27. Re8+ 1-0

[Event "BRA CBI-B corr"]
[Site "Brazil CXEB"]
[Date "1988.08.01"]
[Round "?"]
[White "Aiello, Murilo Martha"]
[Black "Iwakura, Mario Rogerio"]
[Result "0-1"]
[ECO "D63"]
[PlyCount "78"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Be7 6. Nf3 0-0 7. Rc1 c6 8. Bd3 dxc4 9. Bxc4 c5 10. 0-0 cxd4 11. Qxd4 Nb6 12. Bd3 Qxd4 13. Nxd4 Bd7 14. Ne4 Nbd5 15. Nxf6+ gxf6 16. Bh6 Rfc8 17. Be4 Bc6 18. Nxc6 bxc6 19. Rfd1 Rab8 20. Rd2 Bf8 21. Bxf8 Kxf8 22. g4 h6 23. a3 Ke7 24. Bf3 Rb6 25. b4 Ra8 26. Rdc2 a5 27. Rxc6 Rxc6 28. Rxc6 axb4 29. Bxd5 exd5 30. axb4 Rb8 31. Rc7+ Ke6 32. h3 Rxb4 33. f4 d4 34. f5+ Ke5 35. Re7+ Kd6 36. Rxf7 d3 37. Rxf6+ Kd7 38. Kf2 Rb1 39. Rf7+ Ke8 0-1

[Event "BRA CBI-B corr"]
[Site "Brazil CXEB"]
[Date "1988.08.01"]
[Round "?"]
[White "Alves Jr, Joaquim Fabiano"]
[Black "Iwakura, Mario Rogerio"]
[Result "0-1"]
[ECO "E19"]
[PlyCount "74"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. d4 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 f5 10. d5 exd5 11. Ne1 d4 12. Qxd4 Nc6 13. Qd1 Qe8 14. Bd5+ Kh8 15. Bf4 d6 16. Nf3 Nd8 17. Bxb7 Nxb7 18. b4 Bf6 19. Rc1 a5 20. a3 Bb2 21. Rc2 Bxa3 22. b5 Nc5 23. Rc3 Bb4 24. Re3 Qd7 25. Qc2 Ne6 26. Ng5 Nxg5 27. Bxg5 Rae8 28. Rf3 Bc5 29. Be3 Bxe3 30. fxe3 Qe6 31. Rd1 Qe4 32. Qc3 Re5 33. Rd4 Qb1+ 34. Kg2 Rfe8 35. Rf1 Qb4 36. Qc2 g6 37. Rb1 Qc5 0-1

[Event "BRA CBI-D corr"]
[Site "Brazil CXEB"]
[Date "1988.08.01"]
[Round "?"]
[White "Bracco, Paulo Caetano"]
[Black "Iwakura, Mario Rogerio"]
[Result "1/2-1/2"]
[ECO "B52"]
[PlyCount "104"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 Ngf6 6. Qe2 Rc8 7. d3 g6 8. Nbd2 Bg7 9. Rb1 0-0 10. a4 a6 11. Nc4 b5 12. axb5 axb5 13. Na3 b4 14. Nc4 Nb6 15. b3 d5 16. Nxb6 Qxb6 17. Bb2 dxe4 18. dxe4 Qc6 19. Nd2 Rfd8 20. f3 Ne8 21. Bxg7 Nxg7 22. Nc4 Rd4 23. Rfd1 Rcd8 24. Rxd4 Rxd4 25. Rd1 Qd7 26. Rd2 Ne6 27. Kf2 f6 28. Qe3 g5 29. Rxd4 Nxd4 30. Qd3 Kg7 31. Ne3 e6 32. Qc4 Qd6 33. g3 h5 34. Qd3 h4 35. Nd1 Qd8 36. Nb2 Qc8 37. Qc4 hxg3+ 38. hxg3 g4 39. fxg4 e5 40. Kg2 Qxg4 41. Qd3 f5 42. exf5 e4 43. f6+ Kxf6 44. Qf1+ Ke7 45. Qf2 Ke6 46. Nc4 Qd1 47. Ne3 Qf3+ 48. Qxf3 exf3+ 49. Kf2 Ke5 50. Nc4+ Kd5 51. Nd2 Nxc2 52. Nxf3 c4 1/2-1/2

[Event "BRA CBI-D corr"]
[Site "Brazil CXEB"]
[Date "1988.08.01"]
[Round "?"]
[White "Briao, Paulo Amilcar Goene"]
[Black "Iwakura, Mario Rogerio"]
[Result "1/2-1/2"]
[ECO "D59"]
[PlyCount "69"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 0-0 6. Nf3 h6 7. Bh4 b6 8. cxd5 Nxd5 9. Bxe7 Qxe7 10. Nxd5 exd5 11. Rc1 Be6 12. Bd3 c5 13. dxc5 bxc5 14. 0-0 Rd8 15. Ne5 Qd6 16. f4 Nd7 17. Nxd7 Bxd7 18. Bb1 d4 19. Qc2 g6 20. Qxc5 Qxc5 21. Rxc5 dxe3 22. Re1 Re8 23. Re5 Rxe5 24. fxe5 Rb8 25. b3 Rc8 26. Bd3 Rc3 27. Bc4 Bc6 28. h4 Rc2 29. Rxe3 Rxg2+ 30. Kf1 Rxa2 31. e6 fxe6 32. Rxe6 Bg2+ 33. Kg1 Kg7 34. Bd3 g5 35. hxg5 1/2-1/2

[Event "BRA CBI-D corr"]
[Site "Brazil CXEB"]
[Date "1988.08.01"]
[Round "?"]
[White "Da Costa, Pedro Segundo"]
[Black "Iwakura, Mario Rogerio"]
[Result "0-1"]
[ECO "B46"]
[PlyCount "52"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 e6 4. d4 cxd4 5. Nxd4 a6 6. Be2 Nge7 7. Be3 Nxd4 8. Qxd4 b5 9. 0-0-0 Nc6 10. Qd2 Bb4 11. a3 Be7 12. Na2 Rb8 13. Nb4 Nxb4 14. axb4 Qc7 15. Bd4 0-0 16. f4 d6 17. Bc3 Rd8 18. g4 Bb7 19. Bd3 d5 20. exd5 Bxd5 21. Rhf1 Rbc8 22. Qe1 Bg2 23. Rf2 Bh4 24. Qe2 Bxf2 25. Qxf2 Bd5 26. Qh4 Be4 0-1

[Event "BRA CBI-B corr"]
[Site "Brazil CXEB"]
[Date "1988.08.01"]
[Round "?"]
[White "Eigenheer, Frederico S"]
[Black "Iwakura, Mario Rogerio"]
[Result "1-0"]
[ECO "B99"]
[PlyCount "49"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. Bd3 h6 11. h4 Nc5 12. Bxf6 Bxf6 13. Bc4 Bd7 14. f5 0-0-0 15. fxe6 fxe6 16. b4 b5 17. e5 dxe5 18. bxc5 bxc4 19. Nxe6 e4 20. Qxe4 Bc6 21. Qxc4 Rxd1+ 22. Rxd1 Qe5 23. Qxa6+ Bb7 24. Qb6 Ba8 25. Rd6 1-0

[Event "BRA CBI-B corr"]
[Site "Brazil CXEB"]
[Date "1988.08.01"]
[Round "?"]
[White "Gyuricza, Gyorgy Laszlo"]
[Black "Iwakura, Mario Rogerio"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "58"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf3 Bb4 7. Bc4 0-0 8. Bg5 Bxc3+ 9. bxc3 d6 10. 0-0 Be6 11. Bb3 Bg4 12. Qd3 h6 13. Bc1 Qa5 14. Nh4 Rad8 15. Bxh6 gxh6 16. Qg3 Kh7 17. h3 Bh5 18. Nf5 Bg6 19. f4 Nxe4 20. Qg4 Qc5+ 21. Kh2 exf4 22. Rxf4 Qe5 23. g3 Nf6 24. Qf3 Nh5 25. Nh4 Nxf4 26. gxf4 Qe4 27. Qf2 Rde8 28. Ng2 Qe2 29. Qh4 Be4 0-1

[Event "BRA CBI-D corr"]
[Site "Brazil CXEB"]
[Date "1988.08.01"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Carvalho, Joao de Deus"]
[Result "1-0"]
[ECO "B97"]
[PlyCount "33"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. Be2 Nbd7 11. 0-0 Qa5 12. f5 Nc5 13. fxe6 Bxe6 14. Bxf6 gxf6 15. Nxe6 Nxe6 16. Rxb7 Rc8 17. Nd5 1-0

[Event "BRA CBI-D corr"]
[Site "Brazil CXEB"]
[Date "1988.08.01"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Da Silva, Gilberto G"]
[Result "1/2-1/2"]
[ECO "D57"]
[PlyCount "93"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. d4 e6 4. Bg5 Be7 5. e3 h6 6. Bh4 0-0 7. Nf3 Ne4 8. Bxe7 Qxe7 9. cxd5 Nxc3 10. bxc3 exd5 11. Qb3 Rd8 12. c4 dxc4 13. Bxc4 Nc6 14. Be2 Qb4+ 15. Qxb4 Nxb4 16. 0-0 b6 17. Rfc1 Ba6 18. Bd1 c5 19. Bb3 Nd3 20. Rc3 Rac8 21. Rd1 Nb2 22. Rd2 cxd4 23. Rcc2 Nd3 24. exd4 Nc1 25. h3 Nxb3 26. axb3 Bb7 27. Rxc8 Rxc8 28. Ne5 Bd5 29. Rd3 Rc1+ 30. Kh2 a5 31. Nd7 Rc6 32. Ne5 Rc7 33. Ng4 Kf8 34. f3 Ke7 35. Ne3 Ke6 36. Kg3 Rc1 37. h4 b5 38. Nd1 b4 39. Nb2 Rc3 40. Rxc3 bxc3 41. Nd3 g5 42. hxg5 hxg5 43. Kf2 f5 44. Nc5+ Kd6 45. Ke3 f4+ 46. Kd3 g4 47. Kxc3 1/2-1/2

[Event "BRA CBI-B corr"]
[Site "Brazil CXEB"]
[Date "1988.08.01"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "De Lacerda  Filho, Edmundo"]
[Result "1/2-1/2"]
[ECO "C08"]
[PlyCount "79"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Bd7 6. Qe2+ Qe7 7. Bxd7+ Nxd7 8. dxc5 Nxc5 9. Nb3 Qxe2+ 10. Nxe2 Nxb3 11. axb3 Bc5 12. Nc3 Ne7 13. Bf4 0-0-0 14. 0-0 a6 15. Rfd1 Bd6 16. Be3 Rd7 17. g3 Be5 18. Bd4 Bxd4 19. Rxd4 Rhd8 20. Na4 Nc6 21. Rg4 f5 22. Rh4 g5 23. Nb6+ Kc7 24. Nxd7 gxh4 25. Nf6 hxg3 26. hxg3 h6 27. Kg2 Kd6 28. c3 d4 29. Re1 d3 30. Kf3 d2 31. Rd1 Ke5 32. Nh5 Na5 33. b4 Nc4 34. Ke2 Nxb2 35. Rxd2 Rxd2+ 36. Kxd2 Ke4 37. Ke2 Kd5 38. Ng7 Ke5 39. f3 Kf6 40. Nh5+ 1/2-1/2

[Event "BRA CBI-D corr"]
[Site "Brazil CXEB"]
[Date "1988.08.01"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "De Moraes, Paulo HB"]
[Result "0-1"]
[ECO "E41"]
[PlyCount "68"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 8. e4 e5 9. d5 Ne7 10. 0-0 Ng6 11. h3 0-0 12. Nh2 Qe7 13. f4 exf4 14. Bxf4 Nd7 15. Qd2 Nde5 16. Bg3 b6 17. Rae1 Ba6 18. Qe2 Qd7 19. Nf3 f6 20. Bxe5 fxe5 21. Qe3 Qa4 22. Ng5 Nf4 23. Ne6 Nxe6 24. dxe6 Qe8 25. Rxf8+ Kxf8 26. Qf3+ Kg8 27. Qg4 Bc8 28. Be2 Qe7 29. Rd1 Bxe6 30. Qg3 Rd8 31. Kh2 Bf7 32. h4 Bg6 33. Bf3 Rf8 34. h5 Be8 0-1

[Event "BRA CBI-B corr"]
[Site "Brazil CXEB"]
[Date "1988.08.01"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "De Souza, Ornelio"]
[Result "1-0"]
[ECO "D58"]
[PlyCount "93"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. d4 d5 4. Bg5 Be7 5. e3 0-0 6. Nf3 h6 7. Bh4 b6 8. Be2 Bb7 9. Bxf6 Bxf6 10. cxd5 exd5 11. 0-0 Qe7 12. Qb3 Rd8 13. Rfd1 c5 14. dxc5 Qxc5 15. Rac1 Qa5 16. Nb5 Na6 17. a3 Rac8 18. Rxc8 Rxc8 19. Nd6 Rb8 20. Nxb7 Rxb7 21. Rxd5 Nc5 22. Qc2 Rd7 23. Rxd7 Nxd7 24. g3 Qd5 25. e4 Qd6 26. Bc4 Ne5 27. Nxe5 Qxe5 28. Bd5 Qxb2 29. Qc7 Kh7 30. Qxf7 Qc1+ 31. Kg2 Qc8 32. Qxa7 Bd4 33. Qf7 Bc5 34. Be6 Qa8 35. Bf5+ Kh8 36. Qg6 Kg8 37. Qe6+ Kh8 38. a4 Qd8 39. Qg6 Kg8 40. Qh7+ Kf7 41. Bg6+ Kf6 42. e5+ Kxe5 43. Qxg7+ Qf6 44. f4+ Ke6 45. f5+ Ke5 46. Qxh6 Qxf5 47. Bxf5 1-0

[Event "BRA CBI-D corr"]
[Site "Brazil CXEB"]
[Date "1988.08.01"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Efremoff, Taya"]
[Result "1-0"]
[ECO "B06"]
[PlyCount "62"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 c6 5. Be2 Nd7 6. a4 a5 7. 0-0 e5 8. Be3 Ne7 9. dxe5 dxe5 10. Qd6 Ng8 11. Bc4 Qe7 12. Qd2 b6 13. Ng5 Nh6 14. Ne6 fxe6 15. Bxh6 0-0 16. Bg5 Bf6 17. Bxf6 Nxf6 18. Rad1 Bd7 19. Qg5 Qc5 20. Rxd7 Qxc4 21. Re7 Rf7 22. Rxf7 Kxf7 23. Qxe5 Rc8 24. h3 Qb4 25. Rd1 Ke7 26. Rd3 Qc5 27. Qf4 g5 28. Qg3 Nh5 29. Qg4 Nf6 30. Qe2 e5 31. Nd5+ Nxd5 1-0

[Event "BRA CBI-B corr"]
[Site "Brazil CXEB"]
[Date "1988.08.01"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Guimaraes, Mario Sergio Souza"]
[Result "1-0"]
[ECO "B99"]
[PlyCount "31"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. 0-0-0 Nbd7 10. Be2 b5 11. Bxf6 Nxf6 12. e5 Bb7 13. Qg3 dxe5 14. fxe5 Nd7 15. Bf3 Bxf3 16. gxf3 1-0

[Event "BRA CBI-D corr"]
[Site "Brazil CXEB"]
[Date "1988.08.01"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Massa, Sergio Schiavon"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "81"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 Bg4 7. Be3 Nc6 8. Qd2 e5 9. d5 Ne7 10. Rad1 Kh8 11. h3 Bxf3 12. Bxf3 Nd7 13. Be2 f5 14. f4 a6 15. fxe5 Nxe5 16. Rf2 fxe4 17. Rxf8+ Qxf8 18. Nxe4 Nf5 19. Rf1 Qe8 20. Bf4 Qa4 21. Ng5 Qd4+ 22. Qxd4 Nxd4 23. Bd1 Rf8 24. Bxe5 Rxf1+ 25. Kxf1 Bxe5 26. c3 Nf5 27. Bf3 Bf4 28. Nf7+ Kg8 29. Nd8 b5 30. Ne6 Bc1 31. b3 Bd2 32. Nxc7 b4 33. cxb4 Bxb4 34. Nxa6 Ba3 35. Ke2 Kf7 36. Kd3 Kf6 37. Nb8 Ke7 38. Nc6+ Kd7 39. Bg4 Kc7 40. Bxf5 gxf5 41. Nd4 1-0

[Event "BRA CBI-B corr"]
[Site "Brazil CXEB"]
[Date "1988.08.01"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Pinto, Alberto Costa de Ma"]
[Result "1-0"]
[ECO "D58"]
[PlyCount "83"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 e6 3. d4 Nf6 4. Bg5 Be7 5. Nc3 0-0 6. e3 h6 7. Bh4 b6 8. Be2 Bb7 9. Bxf6 Bxf6 10. cxd5 exd5 11. b4 c5 12. bxc5 bxc5 13. 0-0 Qa5 14. Qb3 Bc6 15. Nxd5 Nd7 16. Nxf6+ Nxf6 17. Qc2 Rac8 18. Qxc5 Qxc5 19. dxc5 Bxf3 20. Bxf3 Rxc5 21. Rfc1 Rfc8 22. Rxc5 Rxc5 23. Bd1 Ne4 24. f3 Nc3 25. Bb3 a5 26. Kf1 a4 27. Bc2 Kf8 28. Ke1 Rd5 29. a3 Ke7 30. Rc1 Kf6 31. Bd1 Rd3 32. Bc2 Rd5 33. Bg6 Nb5 34. Rc6+ Ke7 35. Bc2 Nxa3 36. Bxa4 Nb5 37. e4 Re5 38. Kf2 Nd6 39. Rc7+ Kf6 40. Bb3 Rb5 41. Bd5 g5 42. Rd7 1-0

[Event "BRA CBI-D corr"]
[Site "Brazil CXEB"]
[Date "1988.08.01"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Portell, Thadeu Ernesto S"]
[Result "1-0"]
[ECO "C40"]
[PlyCount "43"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. Nxe5 Bd6 4. d4 dxe4 5. Nc4 Nf6 6. Nxd6+ Qxd6 7. Be2 Nc6 8. c3 Be6 9. Nd2 0-0-0 10. 0-0 h5 11. Nc4 Bxc4 12. Bxc4 Ng4 13. g3 f5 14. Bf4 Qe7 15. h4 Rhe8 16. Qe2 Qf8 17. b4 Ne7 18. Be6+ Kb8 19. Qc4 Nc6 20. b5 Rxe6 21. Qxe6 Na5 22. b6 1-0

[Event "BRA CBI-B corr"]
[Site "Brazil CXEB"]
[Date "1988.08.01"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Sormani, Celio"]
[Result "0-1"]
[ECO "B78"]
[PlyCount "92"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 Bd7 9. Bc4 0-0 10. 0-0-0 Rc8 11. Bb3 Ne5 12. h4 h5 13. Kb1 Nc4 14. Bxc4 Rxc4 15. Nb3 Qc7 16. Bd4 Bc6 17. Qe2 b5 18. e5 Nd5 19. exd6 Qxd6 20. Ne4 Qc7 21. Ng5 e5 22. Bc5 Rc8 23. Qf2 Bb7 24. Ne4 Rxe4 25. fxe4 Nf6 26. Bxa7 Bxe4 27. Ka1 Ra8 28. Bb6 Ng4 29. Qc5 Qxc5 30. Nxc5 Bxc2 31. Rd8+ Rxd8 32. Bxd8 Ne3 33. a3 Bf5 34. g3 e4 35. Ka2 Nc2 36. Rh2 e3 37. Bg5 Be5 38. Re2 Bxg3 39. b3 Kg7 40. a4 Nb4+ 41. Kb2 Be5+ 42. Ka3 Nd5 43. axb5 Bd4 44. b4 f6 45. Kb3 fxg5 46. Kc4 Nf4 0-1

[Event "BRA CBI-D corr"]
[Site "Brazil CXEB"]
[Date "1988.08.01"]
[Round "?"]
[White "Maia, Jose Eduardo Bastos"]
[Black "Iwakura, Mario Rogerio"]
[Result "1-0"]
[ECO "D89"]
[PlyCount "69"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 0-0 10. 0-0 cxd4 11. cxd4 Bg4 12. f3 Na5 13. Bd3 Be6 14. Rc1 Bxa2 15. Qa4 Be6 16. d5 Bd7 17. Qb4 e6 18. Nd4 exd5 19. exd5 Re8 20. Bf2 b6 21. Ba6 Qg5 22. d6 Bh3 23. Bg3 Bxd4+ 24. Qxd4 Nb3 25. Qd1 Nxc1 26. gxh3 Qe3+ 27. Kh1 Nb3 28. d7 Red8 29. Bb7 Qe6 30. Bxa8 Rxd7 31. Qe1 Qxh3 32. Qe8+ Kg7 33. Re1 Nc5 34. Bc6 Rd2 35. Be5+ 1-0

[Event "BRA CBI-B corr"]
[Site "Brazil CXEB"]
[Date "1988.08.01"]
[Round "?"]
[White "Reis, Cesar Roberto da Si"]
[Black "Iwakura, Mario Rogerio"]
[Result "0-1"]
[ECO "B42"]
[PlyCount "110"]
[EventDate "1988.??.??"]
[EventType "tourn (corr)"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "Corr 2004"]
[Source "ChessBase"]
[SourceDate "2003.04.28"]
[SourceVersion "3"]
[SourceVersionDate "2003.04.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc5 6. Nb3 Bb6 7. Qe2 Nc6 8. Be3 Bxe3 9. Qxe3 d6 10. Nc3 Nf6 11. 0-0-0 0-0 12. f4 Qc7 13. g4 Nxg4 14. Qg3 Nf6 15. Rhg1 Ne8 16. f5 b5 17. f6 g6 18. Qh4 b4 19. Ne2 Ne5 20. Rg3 Qd8 21. Rf1 Nd7 22. Rgf3 Ndxf6 23. Rxf6 Nxf6 24. Qxf6 Qxf6 25. Rxf6 Kg7 26. Rf1 f5 27. Nd2 fxe4 28. Bxe4 Rxf1+ 29. Nxf1 d5 30. Bg2 Bd7 31. Kd2 Bb5 32. Nd4 Bxf1 33. Bxf1 Kf6 34. Nc6 a5 35. a4 bxa3 36. bxa3 e5 37. a4 Ke6 38. Bb5 Kd6 39. c3 g5 40. Kd3 h5 41. c4 dxc4+ 42. Ke4 c3 43. Nxe5 c2 44. Nd3 Rf8 45. Ke3 g4 46. Kd2 h4 47. Ba6 Kc7 48. Bc4 Kd6 49. Ba6 Rf3 50. Kxc2 Rh3 51. Nf4 Rxh2+ 52. Ne2 g3 53. Kd3 g2 54. Ke3 Rh1 55. Kf2 h3 0-1

[Event "BRA-ch 53th"]
[Site "Garanhuns"]
[Date "1986.09.??"]
[Round "11"]
[White "Asfora, Eduardo Hasbum"]
[Black "Iwakura, Mario Rogerio"]
[Result "1/2-1/2"]
[ECO "C97"]
[PlyCount "22"]
[EventDate "1986.09.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[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 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 1/2-1/2

[Event "BRA-ch 53th"]
[Site "Garanhuns"]
[Date "1986.09.??"]
[Round "1"]
[White "Asfora, Marco Antonio Hazin"]
[Black "Iwakura, Mario Rogerio"]
[Result "1/2-1/2"]
[ECO "C99"]
[WhiteElo "2330"]
[PlyCount "97"]
[EventDate "1986.09.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[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 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Bd7 14. Nf1 Rac8 15. Re2 Rfe8 16. Ng3 h6 17. b3 Nc6 18. Bb2 Bf8 19. Rc1 Qb8 20. Bb1 g6 21. d5 Na7 22. Bd3 Rxc1 23. Bxc1 Qb7 24. Rc2 Rc8 25. Be3 Kh7 26. Nd2 Bg7 27. b4 Ne8 28. Nb3 Rxc2 29. Qxc2 Nc8 30. Na5 Qc7 31. Qxc7 Nxc7 32. Ne2 h5 33. Nc3 Bh6 34. Bxh6 Kxh6 35. h4 f5 36. f3 f4 37. Kh2 g5 38. g3 gxh4 39. gxh4 Ne7 40. Nb7 Ne8 41. Bf1 Ng6 42. Bh3 Bxh3 43. Kxh3 Ne7 44. Nd8 Nc8 45. Nc6 Kg6 46. Kg2 Kf6 47. a4 Ne7 48. axb5 axb5 49. Nd8 1/2-1/2

[Event "BRA-ch 53th"]
[Site "Garanhuns"]
[Date "1986.09.??"]
[Round "6"]
[White "Capiberibe, Fernando"]
[Black "Iwakura, Mario Rogerio"]
[Result "1/2-1/2"]
[ECO "E30"]
[PlyCount "114"]
[EventDate "1986.09.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 4. Bg5 h6 5. Bh4 g5 6. Bg3 Ne4 7. Qd3 Bxc3+ 8. bxc3 Nxg3 9. hxg3 f5 10. g4 Qf6 11. gxf5 exf5 12. e4 d6 13. Kd2 Nc6 14. Re1 0-0 15. Nf3 fxe4 16. Qxe4 Bf5 17. Qd5+ Kg7 18. Bd3 g4 19. Bxf5 Qxf5 20. Qxf5 Rxf5 21. d5 gxf3 22. dxc6 fxg2 23. Rhg1 Rxf2+ 24. Ke3 Rxa2 25. cxb7 Re8+ 26. Kf3 Rf8+ 27. Kg3 Rb2 28. Rxg2 Rxb7 29. Kh4+ Kh8 30. Re6 Rf7 31. Kh5 Rb1 32. Rxh6+ Rh7 33. Rxh7+ Kxh7 34. Re2 Rh1+ 35. Kg5 Rg1+ 36. Kf5 Kg8 37. Re8+ Kh7 38. Ra8 Ra1 39. Ke6 Ra4 40. c5 Ra6 41. cxd6 Rxd6+ 42. Ke5 a6 43. Ra7 Rc6 44. Kd4 Kg6 45. c4 Kf6 46. Kd5 Rd6+ 47. Kc5 Rd7 48. Kc6 Re7 49. c5 Ke5 50. Rxc7 Re6+ 51. Kb7 Kd5 52. c6 Kc5 53. Rh7 a5 54. Rh4 Kb5 55. Rh5+ Kb4 56. c7 Re7 57. Re5 Rxc7+ 1/2-1/2

[Event "BRA-ch 53th"]
[Site "Garanhuns"]
[Date "1986.09.??"]
[Round "3"]
[White "Filguth, Rubens Alberto"]
[Black "Iwakura, Mario Rogerio"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2390"]
[PlyCount "67"]
[EventDate "1986.09.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 f5 6. e3 Nf6 7. Nge2 d6 8. d3 0-0 9. b4 Ne7 10. 0-0 c6 11. b5 Be6 12. Ba3 Qd7 13. bxc6 bxc6 14. Qa4 Rab8 15. Rb3 Qc7 16. Rfb1 Nd7 17. Bb4 Nb6 18. Qa3 c5 19. Ba5 e4 20. Nf4 Qd7 21. Bxb6 axb6 22. Nxe6 Qxe6 23. Rxb6 Ra8 24. Qb3 Bxc3 25. Qxc3 Rxa2 26. Rb7 Re8 27. h4 d5 28. cxd5 Qxd5 29. dxe4 fxe4 30. Bf1 Ra4 31. Rc7 Qa2 32. Rc1 Rf8 33. Rxe7 Qxf2+ 34. Kh1 1-0

[Event "BRA-ch 53th"]
[Site "Garanhuns"]
[Date "1986.09.??"]
[Round "7"]
[White "Iwakura, Mario Rogerio"]
[Black "Azevedo, Eduardo Jose E"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "67"]
[EventDate "1986.09.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 0-0 6. Be3 c6 7. a4 a6 8. Be2 Nbd7 9. 0-0 Qc7 10. a5 c5 11. d5 b5 12. axb6 Nxb6 13. Ra3 e6 14. dxe6 Bxe6 15. Rxa6 Rxa6 16. Bxa6 Nc4 17. Bxc4 Bxc4 18. Re1 Rd8 19. b3 Ba6 20. Qd2 Bb7 21. Bg5 Qb8 22. Bxf6 Bxf6 23. Nd5 Bg7 24. Rd1 Re8 25. Qf4 Bxd5 26. Rxd5 Be5 27. Nxe5 Rxe5 28. Rxe5 dxe5 29. Qd2 Qc7 30. g3 h5 31. h4 c4 32. Qc3 Qd6 33. Qxc4 Qd1+ 34. Kg2 1-0

[Event "BRA-ch 53th"]
[Site "Garanhuns"]
[Date "1986.09.??"]
[Round "2"]
[White "Iwakura, Mario Rogerio"]
[Black "Braga, Cicero Nogueira"]
[Result "0-1"]
[ECO "B85"]
[BlackElo "2395"]
[PlyCount "164"]
[EventDate "1986.09.??"]
[EventType "swiss"]
[EventRounds "11"]
[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 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. f4 Be7 7. Be2 a6 8. 0-0 Qc7 9. a4 Nc6 10. Kh1 0-0 11. Be3 Re8 12. Nb3 b6 13. Bf3 Rb8 14. Qe2 Na5 15. Nxa5 bxa5 16. Rab1 Bb7 17. Qf2 Ba8 18. Rfe1 Rb4 19. Bd2 Nd7 20. b3 Rbb8 21. Rec1 Bf6 22. Qe1 Bd4 23. Nd1 Bb6 24. Nb2 f5 25. Qe2 Nf6 26. exf5 Bxf3 27. Qxf3 exf5 28. Nd3 Ne4 29. Be1 Re6 30. b4 Rbe8 31. h3 axb4 32. Bxb4 Ba5 33. Kh2 Bxb4 34. Rxb4 Qc3 35. Rb7 Rg6 36. Qe2 Qc6 37. Rb4 Nf6 38. Qf2 Nd5 39. Rb3 Ne3 40. Ne1 Qe4 41. Rcb1 Rge6 42. Rb4 Qc6 43. a5 Qc5 44. Nd3 Qxa5 45. Rb8 Qd5 46. R1b7 h6 47. Rxe8+ Rxe8 48. Ra7 Qc6 49. Kh1 Qb6 50. Rd7 Qb1+ 51. Kh2 Qxc2 52. Qxc2 Nxc2 53. Rxd6 Ra8 54. Rd5 a5 55. Rxf5 a4 56. Nc1 a3 57. Na2 Rb8 58. Ra5 Rb2 59. Nc3 Rb3 60. Na2 Rb1 61. Ra7 Rb3 62. f5 Nd4 63. Ra5 Kf7 64. Nc1 Re3 65. Rd5 Nc6 66. Rc5 Ne7 67. Kg1 Kf6 68. Kf2 Re5 69. Rc2 Rxf5+ 70. Ke1 Ra5 71. Ra2 Nd5 72. Nb3 Ra7 73. Kd2 Ke5 74. Kc1 Rc7+ 75. Kd2 Nc3 76. Ra1 Nb5 77. Nc1 Ke4 78. Rb1 Nd4 79. Rb4 Rc2+ 80. Kd1 Rc3 81. Ne2 Rd3+ 82. Kc1 a2 0-1

[Event "BRA-ch 53th"]
[Site "Garanhuns"]
[Date "1986.09.??"]
[Round "4"]
[White "Iwakura, Mario Rogerio"]
[Black "Gadia, Olicio"]
[Result "1-0"]
[ECO "A01"]
[PlyCount "89"]
[EventDate "1986.09.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. b3 e5 2. Bb2 Nc6 3. e3 Nf6 4. d3 d6 5. Nf3 g6 6. Be2 Bg7 7. 0-0 0-0 8. Nbd2 Ne8 9. d4 Qe7 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Bxe5 Qxe5 13. c4 a5 14. Qc1 Ng7 15. Nf3 Qe7 16. Qc3 Ne6 17. Rfd1 b6 18. Nd2 Bb7 19. Bf3 Bxf3 20. Nxf3 f5 21. g3 Rae8 22. a3 g5 23. Nd4 Nc5 24. Qc2 Qf7 25. b4 Nd7 26. Nf3 Qh5 27. Kg2 g4 28. Nh4 Ne5 29. Qe2 Ng6 30. Nxg6 Qh3+ 31. Kg1 hxg6 32. Qf1 Qh6 33. bxa5 bxa5 34. c5 g5 35. cxd6 cxd6 36. Qc4+ Rf7 37. Rab1 Kf8 38. Qd5 Rd8 39. Qxa5 Qf6 40. Rb4 Kg7 41. Qd5 Kg6 42. Rb6 Rfd7 43. a4 f4 44. exf4 gxf4 45. Rd4 1-0

[Event "BRA-ch 53th"]
[Site "Garanhuns"]
[Date "1986.09.??"]
[Round "5"]
[White "Iwakura, Mario Rogerio"]
[Black "Gentil Junior, Luiz"]
[Result "0-1"]
[ECO "B37"]
[PlyCount "116"]
[EventDate "1986.09.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Nc2 d6 7. Be2 Nf6 8. Nc3 Nd7 9. 0-0 Nc5 10. Bd2 0-0 11. f3 f5 12. exf5 gxf5 13. Kh1 Kh8 14. Rb1 a5 15. f4 Be6 16. b3 Bg8 17. Bf3 e5 18. Bd5 e4 19. Bxg8 Kxg8 20. Nb5 Qe7 21. Be3 Nd3 22. a3 Rad8 23. Ne1 Nxe1 24. Rxe1 d5 25. cxd5 Nd4 26. d6 Qe8 27. Nxd4 Rxd6 28. Qd2 Qd7 29. Rbd1 Rd8 30. Qxa5 b6 31. Qb4 Bxd4 32. Rxd4 Rxd4 33. Bxd4 Qxd4 34. Qxd4 Rxd4 35. Kg1 Rd3 36. Rb1 Kf7 37. a4 Ke6 38. b4 Ra3 39. Rc1 Kd5 40. a5 bxa5 41. bxa5 e3 42. Kf1 Ke4 43. Rc7 Rxa5 44. Rxh7 Ra1+ 45. Ke2 Ra2+ 46. Kf1 Rf2+ 47. Kg1 Rxf4 48. Re7+ Kd3 49. Rd7+ Kc2 50. Rc7+ Kd2 51. Rd7+ Ke1 52. g3 Rf1+ 53. Kg2 Rf2+ 54. Kg1 Rd2 55. Re7 e2 56. Ra7 Rd1 57. Kg2 Kd2 58. Rd7+ Kc3 0-1

[Event "BRA-ch 53th"]
[Site "Garanhuns"]
[Date "1986.09.??"]
[Round "9"]
[White "Madeira, Wagner Martins"]
[Black "Iwakura, Mario Rogerio"]
[Result "1-0"]
[ECO "B22"]
[PlyCount "101"]
[EventDate "1986.09.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. c3 e6 3. d4 d5 4. exd5 exd5 5. Nf3 Nf6 6. Bb5+ Bd7 7. Qe2+ Qe7 8. Ne5 cxd4 9. Nxd7 Qxe2+ 10. Kxe2 Nbxd7 11. cxd4 Bd6 12. Nc3 h6 13. Be3 0-0-0 14. Rhc1 Kb8 15. h3 Nb6 16. a4 a6 17. a5 Nc8 18. Bd3 Na7 19. Ra4 Nc6 20. Na2 Rc8 21. b4 Na7 22. Bf5 Rxc1 23. Nxc1 Nb5 24. Kd2 Ne4+ 25. Bxe4 dxe4 26. Ne2 Rd8 27. Kc2 f5 28. Kb3 g5 29. g3 Kc7 30. Ra1 Kd7 31. d5 Rc8 32. h4 Rg8 33. hxg5 hxg5 34. Rh1 Rg7 35. Rh6 Be7 36. Bc5 Bd8 37. Kc4 Rf7 38. Rh8 Bc7 39. Rg8 Bd8 40. Be3 Nd6+ 41. Kc5 Nc8 42. Bxg5 b6+ 43. Kd4 Bc7 44. Bd2 Nd6 45. Ra8 bxa5 46. bxa5 Rf6 47. Nf4 Nb7 48. Ne6 Bxa5 49. Bxa5 Nxa5 50. Rxa6 Nb3+ 51. Ke5 1-0

[Event "BRA-ch 53th"]
[Site "Garanhuns"]
[Date "1986.09.??"]
[Round "8"]
[White "Menna Barreto, Luiz Ney"]
[Black "Iwakura, Mario Rogerio"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2260"]
[PlyCount "77"]
[EventDate "1986.09.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 g6 3. b4 Bg7 4. Bb2 c6 5. c4 a5 6. bxa5 Qxa5 7. Nf3 d6 8. 0-0 0-0 9. d3 Nbd7 10. Nfd2 Qc7 11. Nc3 e5 12. Nb3 Re8 13. a4 Nf8 14. c5 dxc5 15. Nxc5 Ne6 16. N3e4 Nxc5 17. Nxc5 Qb6 18. Qc2 Bf8 19. d4 exd4 20. Bxd4 Qd8 21. Rfd1 Qe7 22. Qb2 Bg7 23. e3 Rb8 24. a5 Bf5 25. Ra3 Red8 26. Rc1 Ne8 27. Bxg7 Nxg7 28. Rb3 Be6 29. Rb6 Bd5 30. Rxb7 Rxb7 31. Qxb7 Qe5 32. a6 Bxg2 33. Kxg2 Nf5 34. Qb3 Rd2 35. Kg1 h5 36. a7 Qe8 37. Qb8 Rd8 38. Na6 Nxe3 39. a8Q 1-0

[Event "BRA-ch sf"]
[Site "Rio de Janeiro"]
[Date "1986.04.??"]
[Round "1"]
[White "Iwakura, Mario Rogerio"]
[Black "Barbosa, Marco Antonio"]
[Result "1-0"]
[ECO "A04"]
[PlyCount "81"]
[EventDate "1986.04.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. b3 f5 2. Bb2 Nf6 3. e3 e6 4. Nf3 Be7 5. Be2 0-0 6. 0-0 b6 7. d4 Bb7 8. c4 Qe8 9. Nc3 d6 10. d5 e5 11. Ng5 Bc8 12. Nb5 Na6 13. f4 h6 14. Nf3 Ng4 15. Qd2 Bf6 16. fxe5 Bxe5 17. Nxe5 dxe5 18. Bxg4 fxg4 19. Rxf8+ Kxf8 20. Rf1+ Kg8 21. Qc3 Bd7 22. Qxe5 Qxe5 23. Bxe5 Bxb5 24. cxb5 Nb4 25. Rd1 Nxa2 26. Bxc7 Nc3 27. Rd3 Ne2+ 28. Kf2 Nc1 29. Rd1 Nxb3 30. d6 Nc5 31. d7 Rf8+ 32. Ke2 Nxd7 33. Rxd7 Rf5 34. Bb8 Rxb5 35. Bxa7 Rb2+ 36. Rd2 Rb3 37. Bb8 Kh7 38. Be5 Rb5 39. Bd4 g5 40. Rb2 Ra5 41. Rxb6 1-0

[Event "BRA-ch sf"]
[Site "Rio de Janeiro"]
[Date "1986.04.??"]
[Round "9"]
[White "Iwakura, Mario Rogerio"]
[Black "Matsuura, Everaldo"]
[Result "1/2-1/2"]
[ECO "A28"]
[PlyCount "107"]
[EventDate "1986.04.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 d5 5. cxd5 Nxd5 6. Bb5 Nxc3 7. Bxc6+ bxc6 8. dxc3 Qxd1+ 9. Kxd1 e4 10. Nd2 Bf5 11. b3 0-0-0 12. Kc2 h5 13. Bb2 Rh6 14. Rad1 Bg4 15. Rde1 Rf6 16. Rhf1 Bd6 17. Nxe4 Bf5 18. f3 Bxh2 19. Kc1 Bxe4 20. fxe4 Be5 21. Rf5 Rxf5 22. exf5 Bf6 23. Re2 Bg5 24. Kc2 g6 25. fxg6 fxg6 26. c4 Rf8 27. Bd4 a6 28. Kc3 Be7 29. e4 Kd7 30. Rf2 Rxf2 31. Bxf2 Ke6 32. Kd4 g5 33. Be1 h4 34. Ke3 g4 35. Kf4 h3 36. gxh3 gxh3 37. Kf3 Bd6 38. Bc3 h2 39. Kg2 Be5 40. Bb4 Bf4 41. Bc3 Be5 42. Bb4 Bd4 43. Ba5 Be5 44. Bb4 Kd7 45. Bd2 Ke6 46. Be3 Kf7 47. b4 Ke6 48. a4 Kd6 49. Bc5+ Kd7 50. Be3 Bd6 51. Bd2 Ke6 52. Bc3 Be5 53. Bd2 Bd6 54. Bc3 1/2-1/2

[Event "BRA-ch sf"]
[Site "Rio de Janeiro"]
[Date "1986.04.??"]
[Round "3"]
[White "Iwakura, Mario Rogerio"]
[Black "Silveira, Marcos"]
[Result "1-0"]
[ECO "B28"]
[PlyCount "69"]
[EventDate "1986.04.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c4 Nc6 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 e5 7. Nc2 Be7 8. Be2 0-0 9. 0-0 b6 10. Be3 Re8 11. Nd5 Rb8 12. f3 Bc5 13. Qd2 a5 14. Kh1 Nh5 15. Bg5 f6 16. Be3 g5 17. b3 Kh8 18. g3 Ne7 19. Bxc5 bxc5 20. f4 Nxd5 21. Bxh5 Nb4 22. Nxb4 axb4 23. Bxe8 Qxe8 24. Qd6 Bb7 25. Qxf6+ Kg8 26. Qxg5+ Qg6 27. Qxg6+ hxg6 28. Rae1 Re8 29. Kg2 exf4 30. Rxf4 Kg7 31. Kf2 Ra8 32. Re2 g5 33. Rf5 Kg6 34. Rxc5 Rf8+ 35. Ke3 1-0

[Event "BRA-ch sf"]
[Site "Rio de Janeiro"]
[Date "1986.04.??"]
[Round "2"]
[White "Maia, Jose Eduardo Bastos"]
[Black "Iwakura, Mario Rogerio"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "81"]
[EventDate "1986.04.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d3 e6 4. g3 Nf6 5. Bg2 d5 6. Nbd2 Be7 7. 0-0 0-0 8. Re1 b6 9. e5 Nd7 10. Nf1 Qc7 11. Bf4 Bb7 12. h4 d4 13. a3 Rfd8 14. N1h2 Nf8 15. h5 b5 16. Ng4 Qb6 17. Qd2 Qa5 18. Qc1 c4 19. Bg5 Qc7 20. h6 g6 21. Qf4 Bxg5 22. Nf6+ Kh8 23. Nxg5 Qe7 24. Nfe4 Kg8 25. Nd6 cxd3 26. Nxb7 Rdc8 27. Nd6 dxc2 28. Nxc8 Rxc8 29. Rec1 d3 30. Be4 Nd4 31. Kg2 Ne2 32. Qd2 Nxc1 33. Rxc1 Rd8 34. Nf3 Qd7 35. Ne1 Qd4 36. Qf4 Nd7 37. Nxd3 Nxe5 38. Nxe5 f5 39. Bxc2 Qxb2 40. Qg5 Rc8 41. Qf6 1-0

[Event "BRA-ch sf"]
[Site "Rio de Janeiro"]
[Date "1986.04.??"]
[Round "4"]
[White "Mercadante, Ricardo Rodrigues"]
[Black "Iwakura, Mario Rogerio"]
[Result "0-1"]
[ECO "A12"]
[PlyCount "120"]
[EventDate "1986.04.26"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. b3 Nf6 4. Bb2 Bf5 5. d3 e6 6. Nbd2 h6 7. g3 Be7 8. Bg2 0-0 9. 0-0 Nbd7 10. Rc1 Re8 11. Qc2 Qc7 12. Qb1 Rad8 13. Qa1 Bf8 14. Ne5 Ba3 15. Bxa3 Qxe5 16. Qxe5 Nxe5 17. d4 Ned7 18. cxd5 exd5 19. e3 Ne4 20. Nxe4 Bxe4 21. f3 Bf5 22. Kf2 a5 23. Rfe1 a4 24. b4 Bd3 25. Bb2 Nb6 26. Rc3 Bb5 27. a3 f5 28. Bh3 g6 29. Bc1 h5 30. f4 Kf7 31. Bg2 Rc8 32. h4 Ke6 33. Bf3 Kd6 34. Bd2 Nd7 35. Rec1 Rc7 36. Bd1 Nf6 37. Bf3 b6 38. Be1 Rec8 39. Bd2 Ke6 40. Be1 Ne8 41. R3c2 Nd6 42. Bc3 Bd3 43. Rd2 Bc4 44. Bb2 Bb3 45. Re2 Nc4 46. Ke1 c5 47. bxc5 bxc5 48. Rc3 Kd6 49. Rd3 Nxb2 50. dxc5+ Rxc5 51. Rxb2 Rc1+ 52. Kf2 R8c2+ 53. Rxc2 Rxc2+ 54. Ke1 Kc5 55. Rd4 Bc4 56. Bd1 Rc3 57. Kf2 Rxa3 58. Rd2 Ra1 59. Be2 Ra2 60. Rxa2 Bxa2 0-1

[Event "BRA-ch6 corr"]
[Site "Brazil"]
[Date "1986.??.??"]
[Round "?"]
[White "Camargo Oliveira, Ivan"]
[Black "Iwakura, Mario Rogerio"]
[Result "0-1"]
[ECO "B33"]
[PlyCount "120"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[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. Bxf6 gxf6 10. Nd5 f5 11. exf5 Bxf5 12. c3 Bg7 13. Qf3 Bd7 14. Bd3 0-0 15. 0-0 Ne7 16. Be4 Rb8 17. Nf6+ Bxf6 18. Qxf6 Nf5 19. Qxd8 Rfxd8 20. Rfd1 Be6 21. Nc2 Ne7 22. Ne3 d5 23. Bc2 b4 24. Bb3 bxc3 25. bxc3 Rbc8 26. Rac1 Rc5 27. Rd2 Rdc8 28. Rcd1 Rb8 29. h3 Rbb5 30. g4 Rxc3 31. Nxd5 Bxd5 32. Bxd5 Rxh3 33. Bb3 Rf3 34. Kg2 Rf4 35. Kg3 Rbb4 36. f3 Nc6 37. Rd6 Nd4 38. Bd5 Ne2+ 39. Kh3 Rfd4 40. Bb3 Rxd1 41. Rxd1 Nd4 42. Bd5 Rb5 43. Be4 Kg7 44. Rc1 Rb2 45. Rc7 Nb5 46. Rc2 Rxc2 47. Bxc2 Nd4 48. Be4 h6 49. g5 a5 50. gxh6+ Kxh6 51. Kg4 Kg7 52. f4 Kf6 53. fxe5+ Kxe5 54. Bd3 Nc6 55. Bc4 Ke4 56. Kg3 f5 57. Kf2 Ne5 58. Be2 Nd3+ 59. Kg3 f4+ 60. Kg2 Ne5 0-1

[Event "BRA-Cup corr"]
[Site "Brazil"]
[Date "1986.??.??"]
[Round "?"]
[White "Franca Teixeira, Edson"]
[Black "Iwakura, Mario Rogerio"]
[Result "1/2-1/2"]
[ECO "D36"]
[PlyCount "84"]
[EventDate "1986.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Nbd7 6. e3 Be7 7. Bd3 c6 8. Nf3 0-0 9. Qc2 Re8 10. 0-0 Nf8 11. Rab1 Ne4 12. Bxe7 Qxe7 13. b4 a6 14. a4 Ng6 15. b5 axb5 16. axb5 Bf5 17. bxc6 bxc6 18. Rb6 Ra3 19. Bxe4 dxe4 20. Nd2 Nh4 21. g3 Qe6 22. gxh4 Bh3 23. Ne2 Ra2 24. Rb2 Qg4+ 25. Ng3 Rxb2 26. Qxb2 Bxf1 27. Ndxf1 Qxh4 28. Qb7 h5 29. Qxc6 Re6 30. Qb5 Rg6 31. Kh1 Qf6 32. Qe8+ Kh7 33. Qxe4 h4 34. Nf5 Qa6 35. Nd2 Qa1+ 36. Qb1 Qa8+ 37. f3 Ra6 38. Nxh4+ Kg8 39. Qd3 Ra3 40. Qe2 Ra2 41. Qd3 Ra3 42. Qe2 Ra2 1/2-1/2

[Event "corr"]
[Site "corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Carvalho, Sergio Antenor"]
[Result "0-1"]
[ECO "B05"]
[PlyCount "74"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Be7 7. c4 Nb6 8. h3 Bh5 9. Nc3 0-0 10. exd6 cxd6 11. Bf4 a6 12. b3 d5 13. c5 Bxf3 14. Bxf3 Nc8 15. b4 Nc6 16. Rb1 Bf6 17. Be3 N8e7 18. Qd3 e5 19. dxe5 Nxe5 20. Qc2 Nxf3+ 21. gxf3 Qd7 22. Ne2 Qxh3 23. Rb3 Ng6 24. Nf4 Nxf4 25. Bxf4 Rfe8 26. Re3 Bd4 27. Rd3 Be5 28. Bxe5 Rxe5 29. f4 Qg4+ 30. Rg3 Qxf4 31. c6 bxc6 32. Qxc6 Rae8 33. a3 h5 34. Qxa6 h4 35. Rg2 Re1 36. Qb5 h3 37. Rg3 R8e2 0-1

[Event "corr"]
[Site "corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Decio Fabio, Oliveira Jr"]
[Result "1/2-1/2"]
[ECO "C85"]
[PlyCount "70"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Bxc6 dxc6 7. d3 Nd7 8. Nbd2 0-0 9. Nc4 f6 10. Nh4 Nc5 11. Nf5 Bxf5 12. exf5 Qd7 13. Qf3 Qd5 14. Nd2 Qxf3 15. Nxf3 Rfe8 16. Re1 Rad8 17. Be3 Na4 18. Bd2 Rd7 19. b3 Nb6 20. Re2 Red8 21. Rae1 Bc5 22. Be3 Bb4 23. Bd2 c5 24. a4 Nd5 25. Re4 b5 26. Bxb4 Nxb4 27. Rc1 Nc6 28. Kf1 Ne7 29. g4 c6 30. Nd2 Nd5 31. Ree1 Nc3 32. Ne4 Nxe4 33. Rxe4 Rd4 34. Rxd4 Rxd4 35. axb5 cxb5 1/2-1/2

[Event "corr"]
[Site "corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Iwakura, Mario Rogerio"]
[Result "1-0"]
[ECO "C43"]
[PlyCount "45"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd3 d5 5. Nxe5 Nd7 6. 0-0 Bd6 7. Nd2 Nxd2 8. Bxd2 0-0 9. f4 f5 10. Qf3 Nf6 11. Rae1 Ne4 12. Bxe4 fxe4 13. Qb3 Bxe5 14. fxe5 Be6 15. Qxb7 Rb8 16. Qc6 Rb6 17. Qc3 Bf5 18. Rf2 Bg6 19. Ref1 Rxf2 20. Rxf2 Qe7 21. b3 Rb8 22. Qc6 Rd8 23. Qb7 1-0

[Event "corr"]
[Site "corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Silva, Jadson Macario"]
[Black "Iwakura, Mario Rogerio"]
[Result "0-1"]
[ECO "B19"]
[PlyCount "92"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Ngf6 11. Bf4 Qa5+ 12. Bd2 Qc7 13. 0-0-0 e6 14. Ne4 Be7 15. Kb1 0-0-0 16. g3 e5 17. Nxf6 Bxf6 18. dxe5 Nxe5 19. Qf5+ Qd7 20. Qf4 Rhe8 21. a3 Qd5 22. Nxe5 Qxe5 23. Qg4+ Qe6 24. Qa4 a6 25. Be3 Rxd1+ 26. Rxd1 Qf5 27. Rd6 Qb5 28. Qg4+ Kb8 29. Rxf6 gxf6 30. Bxh6 Re1+ 31. Ka2 Qd5+ 32. b3 Ka7 33. Be3+ c5 34. Qc8 Kb6 35. h6 Re2 36. Kb2 Qe5+ 37. Kb1 Re1+ 38. Bc1 Qg5 39. f4 Qxh6 40. Qd8+ Ka7 41. Qd5 Qf8 42. Kb2 Re6 43. Qh5 Qe7 44. Bd2 Qd6 45. Bc3 Re3 46. Qxf7 Rxc3 0-1

[Event "corr"]
[Site "corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Silva, Jadson Macario"]
[Black "Iwakura, Mario Rogerio"]
[Result "1-0"]
[ECO "C42"]
[PlyCount "41"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. 0-0 Nc6 8. Re1 Bf5 9. c4 Nb4 10. Bf1 dxc4 11. Nc3 Nxc3 12. bxc3 Nc2 13. Nh4 Be6 14. Qxc2 Bxh4 15. Bxc4 Kd7 16. d5 Bg4 17. Qe4 h5 18. h3 Qf6 19. Bb5+ c6 20. dxc6+ bxc6 21. Bf4 1-0

[Event "corr"]
[Site "corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Teixeira, Edson de Franca"]
[Black "Iwakura, Mario Rogerio"]
[Result "1-0"]
[ECO "A67"]
[PlyCount "33"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. Bd3 Qh4+ 10. g3 Qe7 11. Nf3 0-0 12. 0-0 Nb6 13. a4 Bh3 14. Re1 Na6 15. a5 Nd7 16. Ng5 Bd4+ 17. Be3 1-0

[Event "corr"]
[Site "corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Vargas Garcia, Eugenio"]
[Black "Iwakura, Mario Rogerio"]
[Result "1-0"]
[ECO "E60"]
[PlyCount "25"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. b3 Bg7 4. Bb2 0-0 5. Bg2 c5 6. 0-0 Nc6 7. c4 d6 8. d4 e5 9. dxc5 e4 10. Ng5 e3 11. Qxd6 exf2+ 12. Rxf2 Ne4 13. Qxd8 1-0

[Event "corr"]
[Site "corr"]
[Date "1986.??.??"]
[Round "?"]
[White "Verano Araujo, Cunha"]
[Black "Iwakura, Mario Rogerio"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "68"]
[EventDate "1986.??.??"]
[EventType "team (corr)"]
[EventRounds "12"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. d4 d6 6. e3 e5 7. Nge2 Nbd7 8. 0-0 c6 9. b3 Qc7 10. Bb2 Re8 11. Rc1 a6 12. d5 c5 13. e4 Nf8 14. h3 Rb8 15. a4 Bd7 16. Qd3 Nh5 17. g4 Nf4 18. Nxf4 exf4 19. Rce1 g5 20. Nd1 Bxb2 21. Nxb2 Ng6 22. Qc3 b5 23. Qf6 bxa4 24. Qxg5 Rxb3 25. Nd1 Kg7 26. Qh5 h6 27. h4 Qd8 28. e5 f3 29. g5 hxg5 30. Bxf3 Rh8 31. Qxg5 Qxg5+ 32. hxg5 Rxf3 33. exd6 Rh5 34. Kg2 Nh4+ 0-1

[Event "BRA-ch6 corr"]
[Site "Brazil"]
[Date "1985.??.??"]
[Round "?"]
[White "De Oliveira, Jose Roberto Jr"]
[Black "Iwakura, Mario Rogerio"]
[Result "1-0"]
[ECO "B33"]
[PlyCount "69"]
[EventDate "1985.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 b5 10. Nd5 f5 11. Bd3 Be6 12. 0-0 Bg7 13. Qh5 f4 14. c4 b4 15. Nc2 a5 16. g3 fxg3 17. fxg3 0-0 18. Nce3 Nd4 19. Rf2 Kh8 20. Raf1 Ra7 21. Ng4 Bxg4 22. Qxg4 f6 23. Qh4 Raf7 24. g4 Qc8 25. Kh1 Qe6 26. Qh5 Nc6 27. g5 Ne7 28. Rf3 Kg8 29. gxf6 Rxf6 30. Nxf6+ Bxf6 31. c5 dxc5 32. b3 Kh8 33. Bc4 Qc6 34. Rxf6 Rxf6 35. Qxe5 1-0

[Event "corr"]
[Site "corr"]
[Date "1985.??.??"]
[Round "?"]
[White "De Souza, Humberto Martins"]
[Black "Iwakura, Mario Rogerio"]
[Result "1/2-1/2"]
[ECO "C68"]
[PlyCount "83"]
[EventDate "1985.09.20"]
[EventType "match (corr)"]
[EventRounds "10"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 Qf6 7. hxg4 g5 8. d3 h5 9. Nxg5 Bh6 10. Nxf7 Kxf7 11. Qf3 Bxc1 12. Qxf6+ Nxf6 13. Rxc1 hxg4 14. Nd2 Rh5 15. Nf1 Rah8 16. Ng3 Rh2 17. Rf1 Ke6 18. f4 R2h7 19. fxe5 Nh5 20. Nxh5 Rxh5 21. Kf2 Kxe5 22. Kg3 Kd4 23. Rad1 R8h7 24. c3+ Ke5 25. Rf4 Rh1 26. d4+ Ke6 27. Rxh1 Rxh1 28. Kxg4 Re1 29. d5+ cxd5 30. exd5+ Kxd5 31. Rf2 c5 32. Kg5 b5 33. g4 a5 34. Rf5+ Kc4 35. b3+ Kxc3 36. Rxc5+ Kb4 37. Rc2 a4 38. bxa4 bxa4 39. Kf6 Rf1+ 40. Kg6 a3 41. g5 Rb1 42. Kf7 1/2-1/2

[Event "BRA corr"]
[Site "Brazil"]
[Date "1984.??.??"]
[Round "?"]
[White "Iwakura, Mario Rogerio"]
[Black "Leite, Celso Antonio Perei"]
[Result "1-0"]
[ECO "B04"]
[PlyCount "51"]
[EventDate "1984.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6 5. Bc4 Nb6 6. Bb3 Bg7 7. Ng5 e6 8. f4 dxe5 9. fxe5 c5 10. c3 Nc6 11. 0-0 0-0 12. Nf3 c4 13. Bc2 Nd5 14. Qe2 Na5 15. Na3 Qc7 16. Nd2 Nb6 17. Ne4 a6 18. Bg5 Nd5 19. Qd2 Qb6 20. Nf6+ Kh8 21. Rf3 Bxf6 22. Bxf6+ Nxf6 23. Qh6 Rg8 24. Rxf6 Rg7 25. Bxg6 Kg8 26. Rxf7 1-0

