[Event "Sao Bernardo op"]
[Site "Sao Bernardo do Campo"]
[Date "1999.??.??"]
[Round "4"]
[White "De Souza, Mauro Guimaraes"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2363"]
[BlackElo "2220"]
[PlyCount "73"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[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 0-0 6. Bg5 h6 7. Be3 e5 8. d5 a5 9. h4 h5 10. Qd2 Na6 11. 0-0-0 Qe8 12. f3 Bd7 13. Nh3 Nc5 14. Ng5 Na4 15. Kb1 Nxc3+ 16. Qxc3 b5 17. c5 b4 18. Qd2 Bb5 19. Rc1 Bxe2 20. Qxe2 c6 21. dxc6 d5 22. exd5 Nxd5 23. g4 Qxc6 24. gxh5 gxh5 25. Rhg1 a4 26. Ne4 f5 27. Nd6 a3 28. Bh6 axb2 29. Rxg7+ Kh8 30. Qxb2 Nc3+ 31. Rxc3 bxc3 32. Qxc3 Qd5 33. Qb3 Rab8 34. Rb7 Rxb7 35. Nxb7 Qxb3+ 36. axb3 Rb8 37. c6 1-0

[Event "IGSP op-A"]
[Site "Sao Caetano do Sul"]
[Date "1999.??.??"]
[Round "2"]
[White "De Toledo, Charles Mann"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1-0"]
[ECO "A04"]
[BlackElo "2220"]
[PlyCount "67"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[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. d3 g6 4. g3 Bg7 5. Bg2 e6 6. 0-0 Nge7 7. Re1 0-0 8. e5 d6 9. exd6 Qxd6 10. Nbd2 b6 11. Nc4 Qd7 12. Nfe5 Qc7 13. Bf4 Nd5 14. Nxg6 Nxf4 15. Nxf4 Bb7 16. Nh5 Ne7 17. Nxg7 Kxg7 18. Qh5 Bxg2 19. Kxg2 Ng6 20. Ne5 Rad8 21. Ng4 f5 22. Ne3 Qb7+ 23. Qf3 Qxf3+ 24. Kxf3 f4 25. Nc4 Rf6 26. Ke2 Rdf8 27. Rf1 Ne7 28. c3 Rh6 29. Rh1 Rf5 30. Rag1 Rfh5 31. h4 Kf8 32. a4 Nd5 33. Re1 Ke7 34. Kf3 1-0

[Event "IGSP op-A"]
[Site "Sao Caetano do Sul"]
[Date "1999.??.??"]
[Round "4"]
[White "Garcia, Manuel Valentim"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "2265"]
[BlackElo "2220"]
[PlyCount "56"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 d6 4. 0-0 Nf6 5. d3 0-0 6. e4 c5 7. Nbd2 Nc6 8. c3 e5 9. a4 d5 10. exd5 Nxd5 11. Nb3 b6 12. a5 Rb8 13. Re1 h6 14. Nfd2 Be6 15. axb6 axb6 16. Nc4 Qd7 17. Ra6 Rfd8 18. Bxd5 Qxd5 19. Nbd2 Qxd3 20. Rxb6 Rxb6 21. Nxb6 Qb5 22. Na4 Rxd2 23. Bxd2 Bb3 24. Qg4 Qxa4 25. Qc8+ Kh7 26. Be3 Be6 27. Qb7 Qe4 28. Bd2 Qd5 0-1

[Event "Sao Bernardo op"]
[Site "Sao Bernardo do Campo"]
[Date "1999.??.??"]
[Round "3"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Leitao, Rafael Duailibe"]
[Result "1/2-1/2"]
[ECO "E88"]
[WhiteElo "2220"]
[BlackElo "2545"]
[PlyCount "99"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[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. f3 0-0 6. Be3 e5 7. d5 c6 8. Qd2 cxd5 9. cxd5 Nh5 10. Bd3 f5 11. Nge2 Nd7 12. exf5 gxf5 13. 0-0 Nc5 14. Bc2 a5 15. f4 exf4 16. Nxf4 Nxf4 17. Bxf4 Qb6 18. Kh1 Qxb2 19. Bxd6 Qxc3 20. Qxc3 Bxc3 21. Bxc5 Bxa1 22. Bxf8 Kxf8 23. Rxa1 Ke7 24. Re1+ Kd8 25. Rb1 Kc7 26. Kg1 Rb8 27. Kf2 Bd7 28. Bd3 b5 29. Ke3 Kd6 30. Kd4 Rg8 31. Bxb5 Rg4+ 32. Ke3 Rxg2 33. Bxd7 Kxd7 34. Rb7+ Kd6 35. Rxh7 Rxa2 36. h4 Kxd5 37. Rf7 Ke6 38. Ra7 Ke5 39. Re7+ Kf6 40. Ra7 Ra3+ 41. Kf4 Ra4+ 42. Kf3 Kg6 43. Ra6+ Kh5 44. Rf6 f4 45. Rf5+ Kxh4 46. Rc5 Ra1 47. Kxf4 a4 48. Ra5 a3 49. Kf3 Rg1 50. Kf2 1/2-1/2

[Event "IGSP op-A"]
[Site "Sao Caetano do Sul"]
[Date "1999.??.??"]
[Round "3"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Martins, Eliseu Colombi"]
[Result "1/2-1/2"]
[ECO "D11"]
[WhiteElo "2220"]
[PlyCount "69"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 Bf5 3. Nc3 e6 4. Nf3 c6 5. Qb3 Qb6 6. c5 Qc7 7. Bf4 Qc8 8. e3 Nf6 9. h3 Be7 10. Be2 Nbd7 11. 0-0 Bd8 12. Nh4 Ne4 13. Nxf5 exf5 14. Qc2 Bc7 15. Bxc7 Qxc7 16. Bd3 Ndf6 17. Ne2 g6 18. b4 a6 19. a4 0-0 20. b5 axb5 21. axb5 Rfb8 22. b6 Qd8 23. Qb2 Nh5 24. Rxa8 Rxa8 25. Ra1 Kg7 26. g3 Rb8 27. Kg2 Qf6 28. f3 Nxc5 29. Bc2 Kg8 30. g4 Ng7 31. gxf5 Qg5+ 32. Kf2 Re8 33. Qc3 Nd7 34. fxg6 fxg6 35. Qb3 1/2-1/2

[Event "Paulista-chT"]
[Site "Americana"]
[Date "1999.??.??"]
[Round "2"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Popov, Sergey"]
[Result "1/2-1/2"]
[ECO "D14"]
[WhiteElo "2220"]
[PlyCount "32"]
[EventDate "1999.??.??"]
[EventType "team-tourn"]
[EventRounds "3"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 Bf5 7. e3 e6 8. Qb3 Bb4 9. Bb5 0-0 10. 0-0 Qa5 11. Bxc6 bxc6 12. Rfc1 Rfc8 13. Na4 Nd7 14. a3 Bf8 15. Ne5 Nxe5 16. Bxe5 Bd3 1/2-1/2

[Event "IGSP op-A"]
[Site "Sao Caetano do Sul"]
[Date "1999.??.??"]
[Round "1"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Stacchini, Angelo P"]
[Result "1-0"]
[ECO "D90"]
[WhiteElo "2220"]
[PlyCount "82"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd5 5. Nc3 Nc6 6. Bf4 g6 7. e3 Bg7 8. h3 0-0 9. Be2 Bf5 10. 0-0 Rc8 11. Rc1 Ne4 12. Nxe4 Bxe4 13. a3 Qb6 14. b4 a5 15. b5 Bxf3 16. Bxf3 Qxb5 17. Rb1 Qa6 18. Bxd5 e6 19. Bf3 Rfd8 20. Be2 Qa7 21. Qb3 Rd7 22. Rfc1 Qa8 23. Bf3 Bf8 24. d5 exd5 25. Bxd5 Rxd5 26. Qxd5 Bxa3 27. Rd1 Bf8 28. Qb5 a4 29. Rd7 a3 30. Qd5 Nd8 31. Be5 b6 32. Qa2 Qc6 33. Ra7 Qe4 34. Bd4 b5 35. Rd1 b4 36. Bc5 Ne6 37. Bxf8 Rxf8 38. Rdd7 Qc6 39. Qb3 h5 40. Qxb4 Qc1+ 41. Kh2 g5 1-0

[Event "Sao Bernardo op"]
[Site "Sao Bernardo do Campo"]
[Date "1999.??.??"]
[Round "7"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Van Riemsdijk, Vinicius Paulo"]
[Result "1-0"]
[ECO "A62"]
[WhiteElo "2220"]
[BlackElo "2126"]
[PlyCount "79"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 Bg7 8. Bg2 0-0 9. 0-0 Ne8 10. Nd2 b6 11. Re1 Nd7 12. a4 Ba6 13. h3 f5 14. f4 Qf6 15. Nf3 Nc7 16. e4 Rae8 17. Kh2 Qd8 18. e5 dxe5 19. d6 exf4 20. dxc7 fxg3+ 21. Kxg3 Qxc7+ 22. Bf4 Qd8 23. Qd5+ Kh8 24. Rxe8 Qxe8 25. Re1 Qf7 26. Qxf7 Rxf7 27. Ng5 Rf8 28. Bd6 Rc8 29. Nd5 Nf6 30. Re7 Bc4 31. Be5 Ne4+ 32. Kh4 Bxe5 33. Rxh7+ Kg8 34. Ne7+ Kf8 35. Nxg6+ Kg8 36. Ne7+ Kf8 37. Bxe4 Rc7 38. Ng6+ Kg8 39. Nxe5 Rxh7+ 40. Nxh7 1-0

[Event "Sao Paulo State-ch2"]
[Site "Rio Claro"]
[Date "1998.??.??"]
[Round "?"]
[White "Boava, Diego"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "2225"]
[PlyCount "36"]
[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. c3 Nf6 2. d3 d5 3. Bg5 e5 4. Nf3 Nbd7 5. Nbd2 h6 6. Bh4 c6 7. e4 Bd6 8. Be2 Qe7 9. Qc2 b5 10. 0-0 g5 11. Bg3 dxe4 12. dxe4 h5 13. h4 g4 14. Ne1 Nf8 15. Nc4 Bc7 16. Rd1 Ng6 17. Qd3 Be6 18. f3 Rd8 0-1

[Event "Sao Paulo State-ch2"]
[Site "Rio Claro"]
[Date "1998.??.??"]
[Round "?"]
[White "Carvalho, Celestino Jr"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1/2-1/2"]
[ECO "B26"]
[BlackElo "2225"]
[PlyCount "75"]
[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. e4 c5 2. g3 Nc6 3. Bg2 g6 4. Ne2 Bg7 5. Nbc3 d6 6. 0-0 e6 7. d3 Nge7 8. Be3 Nd4 9. Qd2 Rb8 10. Rab1 a5 11. Bxd4 cxd4 12. Nb5 Nc6 13. f4 0-0 14. c4 dxc3 15. bxc3 f5 16. d4 e5 17. fxe5 dxe5 18. d5 Ne7 19. c4 Qb6+ 20. Kh1 Bd7 21. d6 Nc8 22. Qd5+ Kh8 23. c5 Qd8 24. Nc7 Bc6 25. Qd2 Qd7 26. Nc3 f4 27. N3d5 g5 28. Rb3 a4 29. Ra3 Na7 30. gxf4 exf4 31. Ne7 Nb5 32. Nxb5 Bxb5 33. Rh3 Qe6 34. Re1 g4 35. Rh5 f3 36. Bf1 Bxf1 37. Rxf1 Qxe4 38. Qf2 1/2-1/2

[Event "Sao Paulo State-ch2"]
[Site "Rio Claro"]
[Date "1998.??.??"]
[Round "?"]
[White "Matsuura, Everaldo"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1-0"]
[ECO "E55"]
[WhiteElo "2405"]
[BlackElo "2225"]
[PlyCount "45"]
[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. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. e3 Bb4 6. Bd3 0-0 7. 0-0 c5 8. a3 Bxc3 9. bxc3 dxc4 10. Bxc4 b6 11. Qe2 Bb7 12. Bd3 Ne4 13. Bb2 Rc8 14. c4 Ndf6 15. Ne5 cxd4 16. exd4 g6 17. Rad1 Qe7 18. Rfe1 Rfd8 19. f3 Nd6 20. d5 exd5 21. Ng4 Qxe2 22. Nxf6+ Kf8 23. Bxe2 1-0

[Event "Sao Paulo State-ch2"]
[Site "Rio Claro"]
[Date "1998.??.??"]
[Round "?"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Contato, Cristiano Carlos"]
[Result "1-0"]
[ECO "E88"]
[WhiteElo "2225"]
[PlyCount "39"]
[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. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 c6 8. Qd2 Qe7 9. Bd3 Ne8 10. Nge2 f5 11. exf5 gxf5 12. 0-0 f4 13. Bf2 Nf6 14. Rfe1 cxd5 15. cxd5 b6 16. a4 Bb7 17. Nd4 Bxd5 18. Nxd5 Nxd5 19. Bc4 Kh8 20. Bxd5 1-0

[Event "Sao Bernardo tt"]
[Site "Sao Bernardo do Campo"]
[Date "1998.??.??"]
[Round "3"]
[White "Steinhoff, Igor Muramatsu"]
[Black "De Souza, Mauro Guimaraes"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2225"]
[BlackElo "2405"]
[PlyCount "102"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf3 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Ndxb4 9. 0-0 Rb8 10. Ne5 Qxd4 11. Nxc6 Nxc6 12. Bxc6+ bxc6 13. Qxc6+ Bd7 14. Qxc7 0-0 15. Nc3 Rfc8 16. Qa5 Bc6 17. Rad1 Qb6 18. Qxb6 axb6 19. a3 b5 20. Na2 h6 21. Rd2 g5 22. f3 Kg7 23. Kf2 Rd8 24. Rfd1 Rxd2 25. Rxd2 Kf6 26. Rd6 Rc8 27. Ke3 Ke7 28. Rd1 f5 29. Nb4 Bb7 30. Kd2 Rd8+ 31. Kc2 Rxd1 32. Kxd1 Kd6 33. Kd2 Kc5 34. Nc2 f4 35. g4 Bc6 36. Kc3 e5 37. Nb4 Bb7 38. Nc2 Bc8 39. e4 fxe3 40. Nxe3 Bb7 41. Nf5 Bxf3 42. Nxh6 Bd5 43. Nf5 Be6 44. Ne3 Bd7 45. h3 e4 46. Nc2 Kd5 47. Kd2 Ke5 48. Ke3 Be8 49. Nd4 Bd7 50. Ne2 Be8 51. Nc3 Bc6 1/2-1/2

[Event "Sao Paulo State-ch2"]
[Site "Rio Claro"]
[Date "1998.??.??"]
[Round "?"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Ferrarezi, Renato"]
[Result "1/2-1/2"]
[ECO "D06"]
[WhiteElo "2225"]
[PlyCount "35"]
[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. d4 d5 2. c4 Bf5 3. Nc3 e6 4. Nf3 Nc6 5. cxd5 exd5 6. Bf4 a6 7. Qb3 Bb4 8. e3 Nge7 9. Be2 0-0 10. 0-0 Be6 11. Rac1 Bd6 12. Bxd6 Qxd6 13. Na4 b6 14. Qc3 Bd7 15. a3 Rfc8 16. Rfd1 Na5 17. Nc5 Bb5 18. Bxb5 1/2-1/2

[Event "Sao Paulo State-ch2"]
[Site "Rio Claro"]
[Date "1998.??.??"]
[Round "?"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Tasoko, Toshinobu"]
[Result "1-0"]
[ECO "B28"]
[WhiteElo "2225"]
[PlyCount "67"]
[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. d4 Nf6 2. c4 c5 3. Nf3 e6 4. Nc3 cxd4 5. Nxd4 Be7 6. e4 0-0 7. Be2 Nc6 8. Nc2 a6 9. 0-0 Ne8 10. Be3 Bd6 11. f4 Bc7 12. Bd3 b6 13. Qh5 g6 14. Qe2 Ne7 15. f5 Nc6 16. Rf3 Be5 17. Raf1 Bg7 18. Rh3 d6 19. Qf2 Rb8 20. g4 Ne5 21. Be2 b5 22. cxb5 axb5 23. g5 exf5 24. Qh4 h5 25. exf5 f6 26. Nd4 Nc4 27. Bxc4+ bxc4 28. Nc6 Qc7 29. Nxb8 Qxb8 30. Qxc4+ Kh7 31. fxg6+ Kxg6 32. Qd3+ f5 33. Nd5 Rf7 34. Nf4+ 1-0

[Event "Sao Bernardo tt"]
[Site "Sao Bernardo do Campo"]
[Date "1998.??.??"]
[Round "6"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Van Riemsdijk, Herman Claudius"]
[Result "1/2-1/2"]
[ECO "A58"]
[WhiteElo "2225"]
[BlackElo "2375"]
[PlyCount "55"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 c5 2. d5 Nf6 3. c4 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. g3 Bg7 8. Bg2 d6 9. Nf3 0-0 10. 0-0 Nbd7 11. Qc2 Qa5 12. Rd1 Rfb8 13. h3 Ne8 14. Rb1 Nc7 15. a3 Nb5 16. Nxb5 Qxb5 17. Bf1 Qc4 18. Qxc4 Bxc4 19. Nd2 Ba2 20. Ra1 Bxd5 21. e4 Bc6 22. Rb1 Ra7 23. b3 Bc3 24. f3 Ne5 25. Kf2 Rab7 26. f4 Nd7 27. Bd3 Nf6 28. Ke3 1/2-1/2

[Event "WchT U26 11th"]
[Site "Roque Saenz Pena"]
[Date "1997.08.14"]
[Round "9"]
[White "Bakhtadze, Giorgi"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2365"]
[BlackElo "2175"]
[PlyCount "69"]
[EventDate "1997.08.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Georgia"]
[BlackTeam "Brazil"]
[WhiteTeamCountry "GEO"]
[BlackTeamCountry "BRA"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. e3 d6 5. d4 0-0 6. Be2 e5 7. dxe5 Ng4 8. c4 Nxe5 9. Nc3 Bg4 10. Nd4 Bxe2 11. Qxe2 Nbc6 12. Nc2 f5 13. 0-0 Qh4 14. Rab1 Rae8 15. Nd5 f4 16. f3 fxe3 17. Nxc7 Re7 18. Nd5 Ref7 19. Ncxe3 Nd4 20. Bxd4 Qxd4 21. Rbd1 Qc5 22. Kh1 a5 23. Nc2 Nc6 24. Rfe1 Be5 25. Qe4 Ne7 26. Nxe7+ Rxe7 27. Qd5+ Qxd5 28. Rxd5 b6 29. Nd4 Rc8 30. Nb5 Rc6 31. g3 Rc5 32. Red1 Rc6 33. Kg2 Kg7 34. Kf1 g5 35. Nd4 1-0

[Event "WchT U26 11th"]
[Site "Roque Saenz Pena"]
[Date "1997.08.13"]
[Round "8"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Hernandez Bermudez, Ulises Eduardo"]
[Result "1-0"]
[ECO "E87"]
[WhiteElo "2175"]
[PlyCount "83"]
[EventDate "1997.08.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Brazil"]
[BlackTeam "Venezuela"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "VEN"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 Ne8 8. Qd2 f5 9. 0-0-0 Nd7 10. Bd3 a5 11. exf5 gxf5 12. Nge2 Nc5 13. Bc2 Bd7 14. f4 e4 15. h3 Nf6 16. Nd4 Qe8 17. Ndb5 Bxb5 18. Nxb5 Qe7 19. Kb1 a4 20. g4 Kh8 21. Rhg1 Ne8 22. Nd4 a3 23. Nxf5 Rxf5 24. gxf5 axb2 25. Bd4 Bxd4 26. Qxd4+ Qf6 27. Qxf6+ Nxf6 28. Kxb2 Re8 29. Kc3 Ra8 30. a4 Re8 31. Rde1 Nh5 32. Rg4 Nf6 33. Rg5 Re7 34. Kd4 b6 35. h4 Re8 36. h5 Re7 37. Re3 Re8 38. Ra3 Ra8 39. h6 Ng8 40. Bxe4 Nxh6 41. f6 Ng8 42. Bxh7 1-0

[Event "WchT U26 11th"]
[Site "Roque Saenz Pena"]
[Date "1997.08.12"]
[Round "7"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Hernandez Lebron, J."]
[Result "1-0"]
[ECO "A64"]
[WhiteElo "2175"]
[PlyCount "49"]
[EventDate "1997.08.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Brazil"]
[BlackTeam "Puerto Rico"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "PUR"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 0-0 9. 0-0 Re8 10. Nd2 a6 11. a4 Nbd7 12. h3 Rb8 13. Nc4 Ne5 14. Na3 Nh5 15. e4 Qf6 16. f4 Nxg3 17. fxe5 Qxe5 18. Rf2 Nh5 19. Nc4 Qg3 20. Ne2 Qh4 21. Nxd6 Bxh3 22. Nxe8 Ng3 23. Nxg3 Bd4 24. Qf3 Bxf2+ 25. Qxf2 1-0

[Event "WchT U26 11th"]
[Site "Roque Saenz Pena"]
[Date "1997.08.10"]
[Round "5"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Medina, Vicente"]
[Result "1-0"]
[ECO "E88"]
[WhiteElo "2175"]
[PlyCount "71"]
[EventDate "1997.08.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Brazil"]
[BlackTeam "Paraguay"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "PAR"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 c6 8. Bd3 b5 9. Nge2 a6 10. Qd2 Bd7 11. a4 Ne8 12. g4 Qh4+ 13. Ng3 Qd8 14. h4 f6 15. h5 Kf7 16. g5 fxg5 17. Bxg5 Bf6 18. hxg6+ hxg6 19. Be3 Ng7 20. Kd1 Rh8 21. Rxh8 Qxh8 22. Kc2 Be8 23. Rh1 Qg8 24. f4 Nd7 25. f5 gxf5 26. exf5 Ke7 27. Nce4 Bf7 28. Bg5 Ne8 29. Nxf6 Nexf6 30. Ne4 Qg7 31. Rh6 Rg8 32. Rxf6 Nxf6 33. Bxf6+ Qxf6 34. Nxf6 Kxf6 35. Qh2 Rg4 36. Qh8+ 1-0

[Event "WchT U26 11th"]
[Site "Roque Saenz Pena"]
[Date "1997.08.09"]
[Round "4"]
[White "Sadvakasov, Darmen"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2410"]
[BlackElo "2175"]
[PlyCount "61"]
[EventDate "1997.08.06"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "ARG"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]
[WhiteTeam "Kazakhstan"]
[BlackTeam "Brazil"]
[WhiteTeamCountry "KAZ"]
[BlackTeamCountry "BRA"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nc6 6. b3 Nf6 7. Re1 g6 8. c3 Bg7 9. d4 0-0 10. d5 Na5 11. Nbd2 b5 12. Bb2 Nh5 13. Qc2 e6 14. dxe6 Qxe6 15. c4 Bxb2 16. Qxb2 bxc4 17. Qc3 Nc6 18. Nxc4 Nf6 19. e5 Nd5 20. Qd2 dxe5 21. Ncxe5 Rad8 22. Qh6 Nf6 23. Nxg6 Ne4 24. Rxe4 Qxg6 25. Qe3 Rd5 26. h3 Qf6 27. Re1 Nd4 28. Rf4 Qd6 29. Ne5 f5 30. Qg3+ Kh8 31. Rh4 1-0

[Event "Santos Paulista-ch"]
[Site "Santos"]
[Date "1997.??.??"]
[Round "3"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Limp, Eduardo Thelio"]
[Result "1/2-1/2"]
[ECO "E82"]
[WhiteElo "2240"]
[BlackElo "2370"]
[PlyCount "76"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[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. f3 0-0 6. Be3 b6 7. Qd2 c5 8. d5 e6 9. 0-0-0 exd5 10. Nxd5 Nc6 11. Bg5 Be6 12. Ne2 Bxd5 13. exd5 Ne5 14. Nc3 a6 15. Qf4 b5 16. cxb5 axb5 17. Bxb5 c4 18. Kb1 Ra7 19. Qh4 h6 20. Bxh6 Nxd5 21. Qxd8 Nxc3+ 22. bxc3 Rxd8 23. Bxg7 Kxg7 24. a4 Nd3 25. Bxc4 Nf2 26. Bb5 Rc8 27. Kb2 Rac7 28. c4 d5 29. cxd5 Rc2+ 30. Kb3 Nxh1 31. Rxh1 Rd2 32. Bc6 Rxg2 33. Ra1 Rb8+ 34. Kc4 Rc2+ 35. Kd4 Rbb2 36. Ke5 Rxh2 37. Kd6 Rbc2 38. Kc7 Rh5 1/2-1/2

[Event "Santos Paulista-ch"]
[Site "Santos"]
[Date "1997.??.??"]
[Round "4"]
[White "Trois, Francisco R Torres"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2345"]
[BlackElo "2240"]
[PlyCount "77"]
[EventDate "1997.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[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. c4 Bg7 4. Nc3 0-0 5. Bg5 d6 6. e3 c6 7. Be2 Nbd7 8. 0-0 h6 9. Bh4 Qe8 10. Qc2 Nh7 11. Rad1 f5 12. d5 g5 13. Bg3 c5 14. Nb5 Qd8 15. Bd3 Ne5 16. Nxe5 dxe5 17. f3 a6 18. Nc3 Qd6 19. a4 b6 20. a5 bxa5 21. Ra1 Rb8 22. Rxa5 Qb6 23. Ra2 e6 24. Bf2 exd5 25. cxd5 Nf6 26. Na4 Qd8 27. e4 fxe4 28. fxe4 Nh5 29. Bxc5 Rxf1+ 30. Bxf1 Nf4 31. b4 h5 32. Nc3 h4 33. Bxa6 g4 34. Bxc8 Rxc8 35. d6 h3 36. g3 Kh8 37. gxf4 exf4 38. e5 Bxe5 39. Qf5 1-0

[Event "BRA-ch U20"]
[Site "Batatais"]
[Date "1996.06.??"]
[Round "4"]
[White "Campelo, Leandro Fabricio"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1-0"]
[ECO "B78"]
[BlackElo "2235"]
[PlyCount "165"]
[EventDate "1996.06.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[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 0-0 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. h4 h5 13. Bg5 Rc5 14. Kb1 b5 15. Bxf6 Bxf6 16. g4 a5 17. gxh5 a4 18. Bd5 e6 19. hxg6 exd5 20. h5 Bg5 21. f4 Bh6 22. Qg2 Ng4 23. Nf5 Bxf5 24. exf5 Rxc3 25. Qxg4 Rc7 26. gxf7+ Kh8 27. Qg6 Bxf4 28. Rxd5 Rcxf7 29. Rxb5 Rg7 30. Qe6 Qg5 31. a3 Qg2 32. Re1 Rc7 33. Qe4 Qxe4 34. Rxe4 Be5 35. Rxa4 Rxf5 36. c3 Rxh5 37. Rg4 Rh3 38. Rg2 Kh7 39. Ka2 Rg3 40. Re2 Kg6 41. Rb8 Kf6 42. a4 Ke6 43. Re4 Kd5 44. Reb4 Ra7 45. Rc8 Ke6 46. Ka3 Kd7 47. Rf8 Kc6 48. Rc8+ Kd7 49. Rf8 Kc6 50. Rf1 Rh3 51. Rc1 Rf3 52. Rc4+ Kb6 53. b4 Rf4 54. Rc8 Kb7 55. Re8 Rf3 56. Kb3 Ra8 57. Re7+ Kb6 58. a5+ Kb5 59. Rb7+ Kc6 60. Rb6+ Kc7 61. Kc4 Rb8 62. Ra6 Kb7 63. Rb6+ Kc7 64. Rxb8 Kxb8 65. b5 Kb7 66. Kb4 d5 67. Rd1 Bc7 68. a6+ Kb6 69. Rxd5 Bb8 70. c4 Rf4 71. Rh5 Ba7 72. Rh6+ Kc7 73. Rh7+ Kb8 74. Rb7+ Ka8 75. Rc7 Bb8 76. Rc8 Rg4 77. b6 Rh4 78. Kb5 Rh5+ 79. c5 Rxc5+ 80. Kb4 Rxc8 81. b7+ Ka7 82. bxc8Q Bh2 83. Qb7# 1-0

[Event "BRA-ch U20"]
[Site "Batatais"]
[Date "1996.06.??"]
[Round "6"]
[White "Capuzzo, Marcos"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1/2-1/2"]
[ECO "B38"]
[BlackElo "2235"]
[PlyCount "18"]
[EventDate "1996.06.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. Be2 0-0 9. 0-0 Bd7 1/2-1/2

[Event "BRA-ch U20"]
[Site "Batatais"]
[Date "1996.06.??"]
[Round "7"]
[White "Leitao, Rafael Duailibe"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1/2-1/2"]
[ECO "E76"]
[WhiteElo "2445"]
[BlackElo "2235"]
[PlyCount "18"]
[EventDate "1996.06.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 c5 7. dxc5 Qa5 8. Bd3 Qxc5 9. Qe2 Bg4 1/2-1/2

[Event "BRA-ch U20"]
[Site "Batatais"]
[Date "1996.06.??"]
[Round "2"]
[White "Ratcu, Fabio Kaawar"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "0-1"]
[ECO "D03"]
[BlackElo "2235"]
[PlyCount "52"]
[EventDate "1996.06.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 0-0 6. c4 c6 7. Bd3 Nbd7 8. 0-0 Re8 9. Qb3 Qb6 10. Rac1 e5 11. dxe5 Nxe5 12. Nxe5 Rxe5 13. Bf4 Re8 14. Rb1 Be6 15. Qc2 Nh5 16. c5 Qd8 17. Bd6 d4 18. exd4 Bxa2 19. Rbe1 Bd5 20. Be4 Bxd4 21. Bxd5 cxd5 22. Qb3 Bxf2+ 23. Kxf2 Qh4+ 24. g3 Qxh2+ 25. Kf3 Qxd2 26. Rd1 Qe2# 0-1

[Event "BRA-ch U20"]
[Site "Batatais"]
[Date "1996.06.??"]
[Round "5"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Capuano Neto, Fausto"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2235"]
[PlyCount "75"]
[EventDate "1996.06.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 h6 8. Bh4 c6 9. Nge2 Nbd7 10. Qc2 Re8 11. 0-0 Nb6 12. Rae1 Ne4 13. Bxe7 Qxe7 14. f3 Nd6 15. Ng3 Qf6 16. Qf2 Nf5 17. e4 Nxg3 18. e5 Qg5 19. f4 Qe7 20. Qxg3 c5 21. f5 cxd4 22. f6 Qf8 23. Nb5 Be6 24. Nc7 g6 25. Bxg6 fxg6 26. Qxg6+ Kh8 27. Nxe6 Rxe6 28. Rf3 Qg8 29. Qxh6+ Qh7 30. Qf4 Nd7 31. Rh3 Nxf6 32. Rxh7+ Nxh7 33. Qxd4 Rd8 34. Qxa7 d4 35. Rd1 Rxe5 36. Rxd4 Rf8 37. h3 Rf7 38. Qb8+ 1-0

[Event "BRA-ch U20"]
[Site "Batatais"]
[Date "1996.06.??"]
[Round "1"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Lutz, Igor Oscar"]
[Result "1-0"]
[ECO "E87"]
[WhiteElo "2235"]
[PlyCount "91"]
[EventDate "1996.06.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 Ne8 8. Qd2 a5 9. Bd3 Nd7 10. 0-0-0 Nc5 11. Bc2 Bd7 12. g4 f6 13. h4 Rb8 14. h5 g5 15. h6 Bh8 16. Nge2 Rf7 17. Kb1 b6 18. Ng3 Rb7 19. Nf5 Kf8 20. a3 a4 21. Bxc5 bxc5 22. Bxa4 Bxa4 23. Nxa4 Qa8 24. Qc2 Qa6 25. Kc1 Rd7 26. Ne3 Rd8 27. Nc3 Qa8 28. Nb5 Qc8 29. Nf5 Qa8 30. Kd2 Rb6 31. Ke2 Qb7 32. Kf2 Ra8 33. Kg3 Rc8 34. b4 cxb4 35. axb4 Ra6 36. Ra1 Rca8 37. Qb2 Qb6 38. Rhc1 Kf7 39. Rxa6 Rxa6 40. Ra1 Kf8 41. Rxa6 Qxa6 42. Qa3 Qb6 43. Qa7 Qxa7 44. Nxa7 Kf7 45. Nb5 Kf8 46. Kf2 1-0

[Event "BRA-ch U20"]
[Site "Batatais"]
[Date "1996.06.??"]
[Round "3"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Santos, Marcus Vinicius M"]
[Result "1-0"]
[ECO "E62"]
[WhiteElo "2235"]
[PlyCount "37"]
[EventDate "1996.06.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. 0-0 0-0 6. c4 c6 7. Nc3 Qa5 8. h3 Be6 9. Qd3 d5 10. cxd5 cxd5 11. Bf4 Nc6 12. Qd2 Rac8 13. Rfd1 Rfd8 14. Ng5 Nxd4 15. Qxd4 Ne4 16. Qd3 Nxc3 17. bxc3 h6 18. Nxe6 fxe6 19. Qxg6 1-0

[Event "Sao Paulo-ch"]
[Site "Sao Paulo"]
[Date "1996.??.??"]
[Round "5"]
[White "Dianda, Joao Carlos"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1/2-1/2"]
[ECO "B07"]
[BlackElo "2235"]
[PlyCount "35"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 Qc7 4. f3 Nd7 5. Be3 Ngf6 6. Bd3 g6 7. Ne2 Bg7 8. 0-0 0-0 9. Nd2 e5 10. Rc1 d5 11. Bb1 b6 12. Bf2 Ba6 13. Re1 Rac8 14. exd5 Nxd5 15. c4 Ne7 16. d5 Nf5 17. Bxf5 gxf5 18. Ng3 1/2-1/2

[Event "Sao Paulo-ch"]
[Site "Sao Paulo"]
[Date "1996.??.??"]
[Round "7"]
[White "Majer, Francisco"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1/2-1/2"]
[ECO "E90"]
[BlackElo "2235"]
[PlyCount "61"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. h3 Na6 7. Bd3 e5 8. d5 Ne8 9. 0-0 Nc5 10. Bc2 a5 11. Na4 Nxa4 12. Bxa4 f5 13. Bc2 f4 14. Kh2 h5 15. Qe2 g5 16. g3 g4 17. Nh4 Nf6 18. Ng6 Rf7 19. gxf4 exf4 20. Bxf4 Nh7 21. f3 Nf8 22. Nxf8 Rxf4 23. Ng6 Rf6 24. e5 g3+ 25. Kg2 dxe5 26. Rae1 Qd7 27. Rh1 Qe8 28. Qxe5 Re6 29. dxe6 Bxe5 30. Rxe5 Ra6 31. Rhe1 1/2-1/2

[Event "Sao Paulo-ch"]
[Site "Sao Paulo"]
[Date "1996.??.??"]
[Round "6"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Burgos, Marcelo Alves"]
[Result "1/2-1/2"]
[ECO "A64"]
[WhiteElo "2235"]
[PlyCount "42"]
[EventDate "1996.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. Nf3 g6 7. g3 Bg7 8. Bg2 0-0 9. 0-0 Re8 10. Nd2 Nbd7 11. h3 a6 12. a4 Rb8 13. Nc4 Nb6 14. Na3 Na8 15. e4 Nc7 16. a5 b5 17. axb6 Rxb6 18. Nc4 Rb4 19. Na5 Bd7 20. Re1 Nb5 21. Nxb5 Bxb5 1/2-1/2

[Event "BRA-ch U18 8th"]
[Site "Matinhos"]
[Date "1994.05.??"]
[Round "3"]
[White "Cesar, Christian L"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "0-1"]
[ECO "E86"]
[BlackElo "2230"]
[PlyCount "48"]
[EventDate "1994.05.12"]
[EventType "swiss"]
[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 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. Nge2 c6 8. Qd2 Nbd7 9. 0-0-0 a6 10. Bh6 b5 11. h4 Qa5 12. h5 b4 13. Nb1 Qxa2 14. Bxg7 Kxg7 15. hxg6 fxg6 16. Qh6+ Kg8 17. Rd2 Rf7 18. g4 exd4 19. Nxd4 Nxe4 20. Rdh2 Ng3 21. Bd3 Ne5 22. Qe3 Nxh1 23. Rxh1 Nxd3+ 24. Qxd3 Bd7 0-1

[Event "BRA-ch U18 8th"]
[Site "Matinhos"]
[Date "1994.05.??"]
[Round "1"]
[White "Ferber, Thiago Luciano Lava"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "0-1"]
[ECO "B78"]
[BlackElo "2230"]
[PlyCount "46"]
[EventDate "1994.05.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[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. 0-0-0 Rc8 11. Bb3 Ne5 12. g4 Nc4 13. Qe2 Nxe3 14. Qxe3 Qa5 15. h4 Qc5 16. g5 Nh5 17. Qd2 b5 18. Nd5 Rfe8 19. Nf4 Bxd4 20. Ng2 Bg7 21. f4 Bg4 22. Rde1 Qd4 23. Qxd4 Bxd4 0-1

[Event "BRA-ch U18 8th"]
[Site "Matinhos"]
[Date "1994.05.??"]
[Round "5"]
[White "Fernandez, Rodrigo Amaral"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1/2-1/2"]
[ECO "E92"]
[WhiteElo "2355"]
[BlackElo "2230"]
[PlyCount "44"]
[EventDate "1994.05.12"]
[EventType "swiss"]
[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 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. Be3 Ng4 8. Bg5 f6 9. Bc1 Nc6 10. h3 exd4 11. Nxd4 Nge5 12. Be3 Nxd4 13. Bxd4 f5 14. exf5 Bxf5 15. 0-0 Be6 16. f4 c5 17. fxe5 Rxf1+ 18. Bxf1 cxd4 19. Qxd4 Bxe5 20. Qe3 Qh4 21. Rd1 Qf4 22. Qxf4 Bxf4 1/2-1/2

[Event "BRA-ch U18 8th"]
[Site "Matinhos"]
[Date "1994.05.??"]
[Round "4"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Costa, Leonardo1"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2230"]
[PlyCount "78"]
[EventDate "1994.05.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Bf4 Nf6 6. e3 Be7 7. Bd3 0-0 8. Qc2 Re8 9. Nge2 Nbd7 10. h3 Nf8 11. g4 Be6 12. 0-0-0 Rc8 13. Be5 b5 14. f4 b4 15. Na4 c5 16. Ba6 Qa5 17. Bxc8 Rxc8 18. Bxf6 cxd4 19. Qxc8 Bxc8 20. Bxe7 Qxa4 21. Rxd4 Qxa2 22. Rhd1 Ba6 23. Ng3 Qa1+ 24. Kc2 b3+ 25. Kxb3 Bc4+ 26. Kc3 Qa2 27. f5 Qb3+ 28. Kd2 Nd7 29. Bd6 Qb6 30. Bf4 Qa5+ 31. Kc2 Nc5 32. Rxc4 dxc4 33. Rd4 Qa4+ 34. Kb1 h6 35. Nh5 Nd3 36. Rd8+ Kh7 37. Rb8 Qd1+ 38. Ka2 Qa4+ 39. Kb1 Nb4 0-1

[Event "BRA-ch U18 8th"]
[Site "Matinhos"]
[Date "1994.05.??"]
[Round "2"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Petry, Croife"]
[Result "0-1"]
[ECO "D60"]
[WhiteElo "2230"]
[PlyCount "58"]
[EventDate "1994.05.12"]
[EventType "swiss"]
[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 e6 3. Nf3 d5 4. Nc3 c6 5. Qb3 Be7 6. Bg5 0-0 7. e3 Nbd7 8. 0-0-0 Qa5 9. Bd3 dxc4 10. Qxc4 b5 11. Qb3 b4 12. Ne2 Ba6 13. Nf4 c5 14. Kb1 Rfc8 15. Rc1 h6 16. Bxf6 Bxf6 17. Bxa6 Qxa6 18. Nh5 Be7 19. Ne5 Nxe5 20. dxe5 c4 21. Qc2 Rab8 22. Qe4 b3 23. a3 Bxa3 24. Qg4 g6 25. Nf6+ Kg7 26. Nh5+ Kh8 27. Qf4 Bf8 28. Qf6+ Kg8 29. Rcd1 Qa2+ 0-1

[Event "BRA-ch U18 8th"]
[Site "Matinhos"]
[Date "1994.05.??"]
[Round "7"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Russo, Guilherme Matheus"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "2230"]
[BlackElo "2020"]
[PlyCount "113"]
[EventDate "1994.05.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. Bf4 Bxf3 5. gxf3 e5 6. dxe5 Qh4 7. cxd5 Qxf4 8. dxc6 bxc6 9. Nc3 Bb4 10. Qd2 Qxe5 11. f4 Qa5 12. Qd4 Ne7 13. Bg2 0-0 14. 0-0 Rad8 15. Qc4 Rd2 16. Ne4 Rxb2 17. a3 Bd6 18. e3 Qh5 19. Qd4 Rfb8 20. Nxd6 cxd6 21. Qxd6 Nf5 22. Qxc6 Nh4 23. Qd5 Qe2 24. Rad1 h6 25. Be4 Qg4+ 26. Kh1 g6 27. Rg1 Qe6 28. Qxe6 fxe6 29. Rg4 Nf5 30. Kg1 Kf7 31. Rd7+ Kf6 32. Rxa7 h5 33. Rg5 Nh4 34. h3 Rd8 35. Ra6 Rd1+ 36. Kh2 Nf5 37. Bxf5 gxf5 38. Rxh5 Rxf2+ 39. Kg3 Rdd2 40. Rh6+ Kf7 41. Rhxe6 Rg2+ 42. Kh4 Rd8 43. Rf6+ Kg7 44. Rxf5 Rh8+ 45. Rh5 Rxh5+ 46. Kxh5 Rg3 47. e4 Rxh3+ 48. Kg4 Rb3 49. e5 Kf7 50. Kf5 Rc3 51. Ra7+ Ke8 52. a4 Rc6 53. a5 Rc4 54. a6 Rc6 55. Ra8+ Kd7 56. a7 Ra6 57. Rh8 1-0

[Event "Pan American-ch U18 3rd"]
[Site "Caioba"]
[Date "1994.04.??"]
[Round "2"]
[White "Faria, Cassio Henrique D"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1/2-1/2"]
[ECO "B60"]
[BlackElo "2230"]
[PlyCount "75"]
[EventDate "1994.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 a6 7. Qd2 Nxd4 8. Qxd4 e5 9. Qd2 Be6 10. Be2 Rc8 11. 0-0 h6 12. Be3 b5 13. f3 Be7 14. Nd5 Nxd5 15. exd5 Bf5 16. Bd3 Bxd3 17. Qxd3 Qc7 18. c3 Qc4 19. Qxc4 Rxc4 20. Rfc1 Bg5 21. Bxg5 hxg5 22. b3 Rc5 23. a4 Ke7 24. axb5 axb5 25. Ra7+ Kf6 26. c4 bxc4 27. bxc4 Rhc8 28. Rb1 R8c7 29. Ra6 Ke7 30. Rbb6 Rxc4 31. Rxd6 Rd7 32. Rxd7+ Kxd7 33. Ra7+ Rc7 34. Ra6 f6 35. Kf2 Rc2+ 36. Kg3 Rc4 37. Ra7+ Kd6 38. Rxg7 1/2-1/2

[Event "Pan American-ch U18 3rd"]
[Site "Caioba"]
[Date "1994.04.??"]
[Round "4"]
[White "Ginzburg, Maximiliano"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "2400"]
[BlackElo "2230"]
[PlyCount "90"]
[EventDate "1994.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[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 0-0 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Ne5 12. h4 h5 13. Bg5 Rc5 14. f4 Nc4 15. Qd3 Qc8 16. Bxf6 Bxf6 17. Nd5 Rxd5 18. exd5 b5 19. c3 Qc5 20. f5 Ne5 21. Qg3 b4 22. fxg6 fxg6 23. Ne6 Bxe6 24. dxe6 Ng4 25. Rd5 Qe3+ 26. Qxe3 Nxe3 27. Rd3 Nxg2 28. cxb4 Nxh4 29. b5 Nf5 30. a4 Nd4 31. Ba2 h4 32. Kd1 g5 33. Rf1 Be5 34. Rxf8+ Kxf8 35. Bd5 g4 36. Rc3 h3 37. Rc8+ Kg7 38. Rc7 g3 39. Rxe7+ Kg6 40. Ke1 g2 41. Bxg2 hxg2 42. Kf2 Nf5 43. Re8 Nh4 44. Rg8+ Kf6 45. Rg4 Bh2 0-1

[Event "Pan American-ch U18 3rd"]
[Site "Caioba"]
[Date "1994.04.??"]
[Round "5"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Alonso, Rodolfo"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "2230"]
[BlackElo "2180"]
[PlyCount "103"]
[EventDate "1994.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e3 b5 6. a4 b4 7. Na2 e6 8. Bxc4 Be7 9. 0-0 Nbd7 10. Qe2 a5 11. Rd1 0-0 12. b3 Bb7 13. Bb2 Qb6 14. e4 Rfe8 15. Nc1 c5 16. e5 Nd5 17. Nd3 Nc3 18. Bxc3 bxc3 19. dxc5 Nxc5 20. Nxc5 Bxc5 21. Rac1 Bb4 22. Nd4 Red8 23. Nb5 Rd2 24. Rxd2 cxd2 25. Rd1 Qc6 26. f3 Rd8 27. Kf1 Qc5 28. Nd6 Bd5 29. Qf2 Qxf2+ 30. Kxf2 Bxd6 31. exd6 Bxc4 32. bxc4 Rxd6 33. c5 Rd8 34. c6 Kf8 35. c7 Rc8 36. Rxd2 Rxc7 37. Rd8+ Ke7 38. Ra8 Rc2+ 39. Kg3 Rc5 40. Ra7+ Kf6 41. h4 h6 42. Kh3 Rf5 43. Kg4 g5 44. hxg5+ hxg5 45. Kh3 Rc5 46. g4 Kg6 47. Ra6 Re5 48. Kg3 Rd5 49. Kf2 Re5 50. Kg3 Kf6 51. Ra7 Kg6 52. Ra6 1/2-1/2

[Event "Pan American-ch U18 3rd"]
[Site "Caioba"]
[Date "1994.04.??"]
[Round "7"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Mera Cedeno, Angel"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "2230"]
[BlackElo "2100"]
[PlyCount "78"]
[EventDate "1994.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 Qa5 6. Qc2 Nf6 7. Bd2 d6 8. e4 Bd7 9. Bd3 Ba4 10. Qb2 Nbd7 11. f4 a6 12. Nf3 Qc7 13. 0-0 b5 14. cxb5 c4 15. Bc2 axb5 16. Bxa4 Rxa4 17. Rfe1 0-0 18. Nd4 Nc5 19. Qc2 Nd3 20. Re2 Rfa8 21. Nc6 e6 22. Nb4 exd5 23. exd5 Nxb4 24. cxb4 Nxd5 25. Qe4 Qb6+ 26. Kh1 Nf6 27. Qf3 d5 28. a3 Ne4 29. Be3 Qf6 30. Rd1 Rxa3 31. g4 Ra1 32. Ree1 Rxd1 33. Rxd1 Ra1 34. Kg2 Qb2+ 35. Kh3 Ra2 36. Bg1 Ra3 37. Be3 Nf2+ 38. Kh4 Nxd1 39. Qxd5 Nxe3 0-1

[Event "Pan American-ch U18 3rd"]
[Site "Caioba"]
[Date "1994.04.??"]
[Round "3"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Pereyra Arcija, Diego"]
[Result "1-0"]
[ECO "E88"]
[WhiteElo "2230"]
[BlackElo "2205"]
[PlyCount "111"]
[EventDate "1994.04.05"]
[EventType "swiss"]
[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 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 c6 8. Qd2 cxd5 9. cxd5 a6 10. Bd3 Nbd7 11. Nge2 Nh5 12. 0-0 f5 13. exf5 gxf5 14. Bxf5 Rxf5 15. g4 Rf7 16. gxh5 Nf6 17. Ng3 Bh3 18. Rf2 Qd7 19. Kh1 Kh8 20. h6 Bf8 21. Rg1 Be7 22. Nce4 Nxe4 23. Nxe4 Rg8 24. Rxg8+ Kxg8 25. Bg5 Qf5 26. Bxe7 Rxe7 27. Qc1 Qg6 28. Qg1 Rc7 29. Rd2 Kf8 30. Qxg6 hxg6 31. Kg1 Rh7 32. Nxd6 b5 33. Ne4 Rxh6 34. Nc5 Rh7 35. d6 Bd7 36. Nxa6 Kf7 37. Nc5 Kf6 38. Nxd7+ Rxd7 39. Rd5 Ke6 40. Rxb5 Rxd6 41. Kf2 Ra6 42. a3 Kf5 43. Rb8 Rf6 44. Rb4 Rc6 45. Ke3 g5 46. h4 gxh4 47. Rxh4 Rc2 48. Rb4 Rc5 49. a4 Rd5 50. Rb5 Rd4 51. b3 Rh4 52. a5 Rh7 53. b4 Rc7 54. f4 Rc3+ 55. Kd2 Ra3 56. fxe5 1-0

[Event "Pan American-ch U18 3rd"]
[Site "Caioba"]
[Date "1994.04.??"]
[Round "1"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Perez, Paul Omar"]
[Result "1-0"]
[ECO "E84"]
[WhiteElo "2230"]
[PlyCount "83"]
[EventDate "1994.04.05"]
[EventType "swiss"]
[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 g6 3. Nc3 Bg7 4. e4 0-0 5. Be3 d6 6. f3 Nc6 7. Nge2 a6 8. Qd2 Rb8 9. h4 h5 10. Nc1 e5 11. Nb3 Re8 12. d5 Ne7 13. Be2 Bd7 14. a4 c5 15. Kf2 Qb6 16. Nc1 Qc7 17. a5 b5 18. axb6 Rxb6 19. Nd3 Reb8 20. Rag1 Qc8 21. Bg5 Kh7 22. g4 Neg8 23. gxh5 Nxh5 24. Rc1 Nh6 25. Nd1 Qf8 26. Kg2 f6 27. Be3 Qf7 28. b4 Nf4+ 29. Nxf4 exf4 30. Bxf4 cxb4 31. c5 dxc5 32. Bxb8 Rxb8 33. Rxc5 a5 34. Rxa5 f5 35. Ra7 Qe8 36. Bd3 b3 37. Nb2 fxe4 38. Bxe4 Nf5 39. h5 gxh5 40. Rxd7 Qg6+ 41. Kf2 Qg3+ 42. Kf1 1-0

[Event "Pan American-ch U18 3rd"]
[Site "Caioba"]
[Date "1994.04.??"]
[Round "6"]
[White "Vescovi, Giovanni P"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "2430"]
[BlackElo "2230"]
[PlyCount "31"]
[EventDate "1994.04.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[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 0-0 9. 0-0-0 d5 10. exd5 Nxd5 11. Nxc6 bxc6 12. Bd4 Bxd4 13. Qxd4 Qb6 14. Nxd5 cxd5 15. a3 Qxd4 16. Rxd4 1/2-1/2

[Event "Americana op"]
[Site "Americana"]
[Date "1994.01.??"]
[Round "?"]
[White "Correa, Aron Antunes"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1-0"]
[ECO "E69"]
[WhiteElo "2345"]
[BlackElo "2230"]
[PlyCount "75"]
[EventDate "1994.01.??"]
[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 e5 8. h3 c6 9. e4 Qb6 10. d5 cxd5 11. cxd5 Nc5 12. Nd2 Ne8 13. Nc4 Qa6 14. Na3 Nd3 15. Qe2 f5 16. exf5 Nxc1 17. Qxa6 bxa6 18. f6 Bh6 19. Rd1 Rb8 20. Nc4 Bf5 21. Bf1 Bc2 22. Rdxc1 Bxc1 23. Rxc1 Bf5 24. g4 Bd7 25. g5 Rc8 26. h4 Rf7 27. Na5 Rb8 28. b3 Nc7 29. Ne4 Nxd5 30. Nxd6 Rff8 31. Rc5 Be6 32. Bc4 Nf4 33. Bxe6+ Nxe6 34. Rxe5 Nd4 35. Re7 Nf5 36. Nxf5 gxf5 37. Rg7+ Kh8 38. Nc4 1-0

[Event "Americana op"]
[Site "Americana"]
[Date "1994.01.??"]
[Round "?"]
[White "De Alvarenga, Reynaldo A Ferraz"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "2437"]
[BlackElo "2230"]
[PlyCount "73"]
[EventDate "1994.01.??"]
[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 d6 3. Bb5+ Nc6 4. 0-0 Bd7 5. Nc3 a6 6. Bxc6 Bxc6 7. d4 cxd4 8. Nxd4 Bd7 9. Be3 Nf6 10. f3 e5 11. Nb3 Rc8 12. Rf2 Be7 13. Qd2 0-0 14. Rd1 b5 15. Bg5 Rc6 16. g4 b4 17. Ne2 a5 18. Ng3 h6 19. Be3 Nh7 20. Nf5 Bxf5 21. gxf5 Bh4 22. Rg2 Ng5 23. Rf1 a4 24. Nc1 a3 25. Qxb4 axb2 26. Qxb2 Qc7 27. Nd3 Rb8 28. Nb4 Rc3 29. Bxg5 Bxg5 30. a3 Qa7+ 31. Kh1 Qxa3 32. Qxa3 Rxa3 33. Nd5 Rba8 34. c3 Ra1 35. Rxa1 Rxa1+ 36. Rg1 Ra2 37. Rg2 1/2-1/2

[Event "Americana op"]
[Site "Americana"]
[Date "1994.01.??"]
[Round "?"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Dante, Reinaldo Golmia"]
[Result "1-0"]
[ECO "E88"]
[WhiteElo "2230"]
[PlyCount "55"]
[EventDate "1994.01.??"]
[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. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 c6 8. Qd2 cxd5 9. cxd5 a6 10. Bd3 Nbd7 11. Nge2 Nb6 12. a4 Ne8 13. g4 Bd7 14. Ng3 Nc8 15. h4 f6 16. h5 Rf7 17. g5 f5 18. exf5 gxf5 19. g6 Rf8 20. h6 Bf6 21. g7 Rf7 22. Nh5 f4 23. Nxf6+ Rxf6 24. Qc2 Ne7 25. Bxh7+ Kf7 26. Bg8+ Nxg8 27. h7 Nxg7 28. h8Q 1-0

[Event "Americana op"]
[Site "Americana"]
[Date "1994.01.??"]
[Round "7"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Pacini, Antonio"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2230"]
[PlyCount "103"]
[EventDate "1994.01.??"]
[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. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Ne4 6. Bg2 Nxd2 7. Nbxd2 0-0 8. 0-0 Bxd2 9. Qxd2 Na6 10. e4 d6 11. Qc3 c5 12. Rad1 Rb8 13. dxc5 Nxc5 14. Qd4 e5 15. Qxd6 Qxd6 16. Rxd6 f6 17. Re1 Re8 18. Nh4 Be6 19. b3 Rbd8 20. Red1 Rxd6 21. Rxd6 g6 22. f4 Kf7 23. f5 Bc8 24. b4 g5 25. bxc5 gxh4 26. Bf3 Ke7 27. g4 Rd8 28. Rxd8 Kxd8 29. Kg2 Bd7 30. Kh3 Be8 31. Kxh4 h6 32. Kg3 Bf7 33. Be2 Kc7 34. h4 Kd7 35. g5 hxg5 36. hxg5 Ke7 37. Kg4 Be8 38. Bd1 Kf7 39. g6+ Kg7 40. c6 Bxc6 41. Kf3 b6 42. Bc2 Kh6 43. Ke3 Kg7 44. Kd3 a5 45. a4 Kf8 46. Kc3 Kg7 47. c5 b5 48. axb5 Bxb5 49. Bb3 a4 50. Bd5 Be8 51. c6 a3 52. Kb3 1-0

[Event "BRA-ch sf"]
[Site "Belo Horizonte"]
[Date "1993.08.??"]
[Round "6"]
[White "Araujo, Adalberto Marcos"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1/2-1/2"]
[ECO "B25"]
[BlackElo "2230"]
[PlyCount "33"]
[EventDate "1993.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. f4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. 0-0 d6 6. d3 e6 7. e4 Nge7 8. Nc3 0-0 9. Be3 Nd4 10. Qd2 Rb8 11. Qf2 Nec6 12. Nd1 b5 13. c3 Nxf3+ 14. Bxf3 Ne7 15. d4 cxd4 16. Bxd4 Bxd4 17. cxd4 1/2-1/2

[Event "BRA-ch sf"]
[Site "Belo Horizonte"]
[Date "1993.08.??"]
[Round "4"]
[White "Costa, Marco Antonio Jr"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "0-1"]
[ECO "E98"]
[BlackElo "2230"]
[PlyCount "64"]
[EventDate "1993.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Nd3 f5 11. Bd2 Kh8 12. Rc1 Ng8 13. b4 Ndf6 14. f3 f4 15. c5 h5 16. cxd6 cxd6 17. Nf2 g5 18. h3 Rf7 19. a4 Bf8 20. Nb5 a6 21. Na3 Rg7 22. Qb3 Nh6 23. a5 g4 24. fxg4 hxg4 25. hxg4 Nhxg4 26. Nxg4 Nxg4 27. Rf3 Kg8 28. Bf1 Qh4 29. Rh3 Qf2+ 30. Kh1 Qxd2 31. Rc2 Qe1 32. Kg1 Ne3 0-1

[Event "BRA-ch sf"]
[Site "Belo Horizonte"]
[Date "1993.08.??"]
[Round "2"]
[White "Disconzi da Silva, Rodrigo"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2315"]
[BlackElo "2230"]
[PlyCount "75"]
[EventDate "1993.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g3 Nc6 7. Nde2 Bg7 8. Bg2 0-0 9. 0-0 Rb8 10. a4 a6 11. Bg5 b5 12. axb5 axb5 13. Nd5 Nd7 14. c3 h6 15. Be3 Nde5 16. Nd4 e6 17. f4 exd5 18. fxe5 Nxe5 19. exd5 Nc4 20. Bf2 Qg5 21. h4 Qd2 22. Qxd2 Nxd2 23. Rfe1 Bg4 24. Ra6 Nc4 25. b3 Ne5 26. Rxd6 b4 27. Re3 Rfc8 28. cxb4 Rc1+ 29. Re1 Rxe1+ 30. Bxe1 Bf8 31. Ra6 Bxb4 32. Bxb4 Rxb4 33. Ra4 Rxa4 34. bxa4 Nc4 35. Nc6 Bd7 36. a5 Kf8 37. a6 Nb6 38. a7 1-0

[Event "BRA-ch sf"]
[Site "Belo Horizonte"]
[Date "1993.08.??"]
[Round "7"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Caldeira, Adriano"]
[Result "1-0"]
[ECO "A52"]
[WhiteElo "2230"]
[PlyCount "87"]
[EventDate "1993.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[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. Bf4 Bb4+ 5. Nd2 Qe7 6. Ngf3 Nc6 7. e3 Ngxe5 8. Be2 Nxf3+ 9. Bxf3 Ne5 10. Be2 a5 11. 0-0 d6 12. a3 Bc5 13. b3 0-0 14. Nf3 Ng6 15. Bg3 Bg4 16. h3 Bd7 17. Qd2 Qf6 18. Nd4 Ne5 19. b4 Bb6 20. Rac1 axb4 21. axb4 c5 22. Nb5 Bxb5 23. cxb5 cxb4 24. Qxb4 Ra2 25. Bc4 Bc5 26. Qc3 Ra3 27. Bxe5 Rxc3 28. Bxf6 Rxc1 29. Rxc1 gxf6 30. Bd5 b6 31. Ra1 Kg7 32. Kf1 f5 33. Ke2 Kf6 34. Ra7 Ke5 35. Bxf7 d5 36. Bh5 h6 37. Rh7 Rf6 38. f4+ Ke6 39. Kd3 Be7 40. Rg7 Rf8 41. Bf3 Rd8 42. Rg6+ Bf6 43. g4 fxg4 44. hxg4 1-0

[Event "BRA-ch sf"]
[Site "Belo Horizonte"]
[Date "1993.08.??"]
[Round "5"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Gimenez, Jayme Augusto"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2230"]
[PlyCount "79"]
[EventDate "1993.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. Nf3 Bg7 8. g3 d6 9. Bg2 Nbd7 10. 0-0 Nb6 11. Re1 0-0 12. Bf4 Nh5 13. Bg5 h6 14. Bc1 Nf6 15. Nd2 Qc7 16. h3 Qb7 17. Rb1 Rfb8 18. b3 Ne8 19. Bb2 Nd7 20. Qc2 Nc7 21. Kh2 Qb4 22. a3 Qb7 23. f4 Ra7 24. e4 e5 25. dxe6 Nxe6 26. Nd5 Nd4 27. Bxd4 cxd4 28. e5 Qb5 29. e6 fxe6 30. Ne7+ Kh8 31. Nxg6+ Kg8 32. Ne7+ Kh8 33. Nc4 Qc5 34. Nc6 d5 35. Nxb8 Nxb8 36. Rxe6 Bb5 37. Ne3 Qxc2 38. Nxc2 d3 39. Ne3 Rxa3 40. Rb6 1-0

[Event "BRA-ch sf"]
[Site "Belo Horizonte"]
[Date "1993.08.??"]
[Round "8"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Pereira, Silvio Cunha"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "2230"]
[BlackElo "2265"]
[PlyCount "94"]
[EventDate "1993.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 f5 2. Bg5 h6 3. Bh4 c5 4. e3 Qb6 5. Ne2 g5 6. Bg3 Bg7 7. Be5 Bxe5 8. dxe5 Nc6 9. Nbc3 Nxe5 10. Rb1 Nf6 11. Ng3 e6 12. Nh5 Nxh5 13. Qxh5+ Ke7 14. Bd3 Qc6 15. 0-0 c4 16. Be2 d5 17. Rfd1 Bd7 18. f4 Nf7 19. Qf3 b5 20. Bf1 Nd6 21. Rd4 b4 22. Ne2 Qa4 23. c3 Qxa2 24. Rdd1 Ne4 25. Ra1 Qxb2 26. fxg5 bxc3 27. Nf4 hxg5 28. Ng6+ Kf6 29. Nxh8 Rxh8 30. Qe2 a5 31. Rdb1 Qxe2 32. Bxe2 Nd2 33. Rd1 Nb3 34. Ra2 a4 35. Bxc4 Rc8 36. Bd3 e5 37. Bc2 d4 38. exd4 Nxd4 39. Kf2 Be6 40. Rxd4 exd4 41. Rxa4 Rb8 42. Ke2 f4 43. Rxd4 Bg4+ 44. Ke1 Rb2 45. Ba4 Rxg2 46. Rc4 f3 47. Rxc3 Re2+ 0-1

[Event "BRA-ch sf"]
[Site "Belo Horizonte"]
[Date "1993.08.??"]
[Round "3"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Reis, Paulo F Jatoba"]
[Result "0-1"]
[ECO "E41"]
[WhiteElo "2230"]
[PlyCount "88"]
[EventDate "1993.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Bd3 Nc6 6. Nf3 Bxc3+ 7. bxc3 d6 8. 0-0 0-0 9. Ng5 h6 10. Ne4 Nxe4 11. Bxe4 f5 12. Bf3 Na5 13. Qe2 Qc7 14. Ba3 cxd4 15. cxd4 Nxc4 16. Rac1 Qa5 17. Rxc4 Qxa3 18. Rc7 d5 19. Qc2 Qd6 20. g3 Rb8 21. Rb1 a6 22. Rb3 b5 23. Rc6 Qe7 24. Rc7 Qd6 25. Rc6 Qe7 26. Rbc3 b4 27. Rc7 Bd7 28. R3c6 a5 29. Ra7 Ra8 30. Rcc7 Rxa7 31. Rxa7 Qd6 32. Rxa5 Rc8 33. Rc5 Rxc5 34. dxc5 Qc6 35. Be2 Qa4 36. Qb2 Qa3 37. Qd2 Qc3 38. Qxc3 bxc3 39. Bd1 e5 40. Bb3 Kf8 41. f4 d4 42. exd4 exd4 43. Kf2 Bb5 44. a4 Bc4 0-1

[Event "BRA-ch sf"]
[Site "Belo Horizonte"]
[Date "1993.08.??"]
[Round "9"]
[White "Tsuboi, Edson Kenji"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "2325"]
[BlackElo "2230"]
[PlyCount "121"]
[EventDate "1993.08.02"]
[EventType "swiss"]
[EventRounds "9"]
[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. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 d6 8. Be2 0-0 9. 0-0 Bd7 10. f3 a6 11. Rc1 Rb8 12. Re1 Nxd4 13. Bxd4 Qa5 14. Kh1 Bc6 15. a3 b5 16. cxb5 axb5 17. Na2 Ba8 18. Nb4 Nd7 19. Bxg7 Kxg7 20. Qd4+ Kg8 21. Rc3 Rfc8 22. Rec1 Rxc3 23. Rxc3 Nc5 24. e5 Ne6 25. Qh4 dxe5 26. Qxe7 Qd8 27. Qxd8+ Rxd8 28. Kg1 Nd4 29. Kf2 Nxe2 30. Kxe2 e4 31. Rc5 Rb8 32. f4 Kg7 33. Ke3 Kf6 34. Re5 h6 35. g4 g5 36. Rf5+ Kg6 37. Nd5 Bxd5 38. Rxd5 b4 39. Rd6+ Kg7 40. a4 Ra8 41. b3 Re8 42. fxg5 hxg5 43. Rd4 Rh8 44. Kxe4 Rxh2 45. Rxb4 Rf2 46. Ke3 Ra2 47. Rb5 Kg6 48. a5 f6 49. b4 Ra3+ 50. Ke4 Ra1 51. Rb6 Rg1 52. Kf3 Rf1+ 53. Kg2 Ra1 54. a6 Ra4 55. Kf3 Ra3+ 56. Ke4 Ra1 57. b5 Ra3 58. Rb7 Ra4+ 59. Kd5 Rxg4 60. a7 Ra4 61. b6 1-0

[Event "BRA-ch U20 20th"]
[Site "Caioba"]
[Date "1993.06.??"]
[Round "6"]
[White "Faria, Cassio Henrique D"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "2230"]
[PlyCount "73"]
[EventDate "1993.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. d4 Nf6 4. f3 cxd4 5. cxd4 Nc6 6. Be3 g6 7. Nc3 Bg7 8. Bd3 0-0 9. Qd2 e5 10. d5 Nd4 11. Nge2 Nh5 12. 0-0 Nxe2+ 13. Nxe2 f5 14. Qb4 f4 15. Bd2 g5 16. g4 Nf6 17. Kg2 h5 18. h3 Rf7 19. Rac1 Bf8 20. Qa5 b6 21. Qa4 a6 22. Qc6 Bb7 23. Qa4 Bc8 24. Qc6 Bb7 25. Qa4 b5 26. Qa3 Qd7 27. Rh1 Bc8 28. Rcg1 Rh7 29. Kf1 Ra7 30. gxh5 Rxh5 31. h4 Qh7 32. Be1 g4 33. Nxf4 exf4 34. e5 Bf5 35. Bxf5 Qxf5 36. exf6 g3 37. Ke2 0-1

[Event "BRA-ch U20 20th"]
[Site "Caioba"]
[Date "1993.06.??"]
[Round "4"]
[White "Souza, Adwilhans Luciano"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "0-1"]
[ECO "B71"]
[BlackElo "2230"]
[PlyCount "48"]
[EventDate "1993.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Nxc6 bxc6 8. e5 Nd7 9. exd6 exd6 10. Qd4 Nf6 11. Be3 Be7 12. Be2 0-0 13. Bf3 d5 14. 0-0-0 Be6 15. Na4 Qa5 16. Nc5 Qxa2 17. f5 Bxf5 18. Bg5 Qa1+ 19. Kd2 Qa5+ 20. b4 Bxc5 21. Qxf6 Bxb4+ 22. c3 Qa2+ 23. Ke1 Rfe8+ 24. Kf1 Qc4+ 0-1

[Event "BRA-ch U20 20th"]
[Site "Caioba"]
[Date "1993.06.??"]
[Round "9"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Chiah, Jamal Khodr"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2230"]
[PlyCount "19"]
[EventDate "1993.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. 0-0 a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. b3 0-0 10. Bb2 1/2-1/2

[Event "BRA-ch U20 20th"]
[Site "Caioba"]
[Date "1993.06.??"]
[Round "7"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Cordeiro, Felipe"]
[Result "1/2-1/2"]
[ECO "D78"]
[WhiteElo "2230"]
[PlyCount "24"]
[EventDate "1993.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 d5 6. c4 c6 7. Ne5 Nbd7 8. Bf4 Nxe5 9. Bxe5 dxc4 10. Nd2 Be6 11. Qc2 Qd7 12. Rfc1 Bh6 1/2-1/2

[Event "BRA-ch U20 20th"]
[Site "Caioba"]
[Date "1993.06.??"]
[Round "5"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Moro, Fabio"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "2230"]
[PlyCount "77"]
[EventDate "1993.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 f5 2. d4 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. c4 d6 7. Nc3 Nbd7 8. Ng5 Nb6 9. c5 dxc5 10. dxc5 Qxd1 11. Rxd1 Nc4 12. Nd5 Ne4 13. Nxe7+ Kh8 14. Bxe4 fxe4 15. Rd8 Ne5 16. Rxf8+ Bxf8 17. Nxc8 Rxc8 18. Nxe4 Re8 19. Be3 Bg7 20. Bd4 Rd8 21. Bc3 Rd5 22. Rc1 c6 23. h3 Nd7 24. Bxg7+ Kxg7 25. f3 Kf7 26. Kf2 Ke6 27. Ke3 Re5 28. Kf2 Rd5 29. b3 Ke5 30. Ke3 Ke6 31. Rc4 Ke5 32. f4+ Ke6 33. b4 Rd1 34. Ng5+ Kd5 35. Rc3 h6 36. Nf7 Rg1 37. Rd3+ Ke6 38. Nd8+ Ke7 39. Nxb7 1-0

[Event "BRA-ch U20 20th"]
[Site "Caioba"]
[Date "1993.06.??"]
[Round "1"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Van Riemsdijk, Marius Rombout"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "2230"]
[PlyCount "38"]
[EventDate "1993.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 Nxd5 5. e4 Nb6 6. Be3 c6 7. Nf3 N8d7 8. Be2 Nf6 9. 0-0 Be7 10. h3 Bd7 11. Qd2 Bb4 12. Bd3 Qc7 13. a3 Be7 14. Rac1 Rc8 15. Bg5 h6 16. Bh4 0-0 17. Bb1 Nc4 18. Qe2 b5 19. e5 Nh7 1-0

[Event "BRA-ch U20 20th"]
[Site "Caioba"]
[Date "1993.06.??"]
[Round "3"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Vescovi, Giovanni P"]
[Result "1/2-1/2"]
[ECO "A58"]
[WhiteElo "2230"]
[BlackElo "2340"]
[PlyCount "51"]
[EventDate "1993.06.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. Nf3 d6 8. g3 Bg7 9. Bg2 Nbd7 10. 0-0 Nb6 11. Re1 0-0 12. Bf4 Ra7 13. Nd2 Qa8 14. e4 Nfd7 15. Qc2 Ne5 16. Bf1 Bxf1 17. Kxf1 Qc8 18. Kg2 Qa6 19. Bxe5 Bxe5 20. Nf3 Bg7 21. e5 Qa5 22. a4 Rb7 23. b3 Nd7 24. Nb5 Nxe5 25. Nxe5 Bxe5 26. Rac1 1/2-1/2

[Event "BRA-ch U18 7th"]
[Site "Praia de Leste"]
[Date "1993.04.??"]
[Round "6"]
[White "Cukier, Marcelo"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1/2-1/2"]
[ECO "B21"]
[BlackElo "2230"]
[PlyCount "39"]
[EventDate "1993.04.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. c3 d3 5. Bxd3 Nc6 6. h3 g6 7. 0-0 Bg7 8. Qe2 Nf6 9. c4 0-0 10. Nc3 a5 11. Be3 a4 12. Rac1 Qa5 13. Nd5 Nd7 14. Rfd1 Nc5 15. Bb1 Be6 16. Bg5 Rfe8 17. Bd2 Qd8 18. Be3 Qa5 19. Bd2 Qd8 20. Be3 1/2-1/2

[Event "BRA-ch U18 7th"]
[Site "Praia de Leste"]
[Date "1993.04.??"]
[Round "1"]
[White "Goetz, Fabio"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "0-1"]
[ECO "B21"]
[BlackElo "2230"]
[PlyCount "82"]
[EventDate "1993.04.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d3 4. Bxd3 Nc6 5. Nf3 g6 6. Nbd2 Bg7 7. 0-0 d6 8. Qe2 Nf6 9. Nb3 0-0 10. Rd1 Nd7 11. Bf4 Nde5 12. Nxe5 Nxe5 13. Bc2 Qc7 14. Nd4 a6 15. Bb3 b5 16. Rac1 Nc4 17. Bg3 Bb7 18. a4 Na5 19. Bc2 Nc4 20. Bb3 Na5 21. Bc2 bxa4 22. Bxa4 Qc4 23. Qxc4 Nxc4 24. Bc6 Rab8 25. Bxb7 Rxb7 26. b4 Rc8 27. Ne2 Nb2 28. Rd2 Na4 29. Rdc2 Rbc7 30. c4 Bb2 31. Rd1 Rxc4 32. Rcd2 Nc3 33. Nxc3 Bxc3 34. Ra2 Bxb4 35. Rxa6 Rxe4 36. f3 Re2 37. Bf2 Bc5 38. Bxc5 Rxc5 39. Kf1 Rcc2 40. Ra7 Rf2+ 41. Kg1 Rxg2+ 0-1

[Event "BRA-ch U18 7th"]
[Site "Praia de Leste"]
[Date "1993.04.??"]
[Round "3"]
[White "Minamoto, Marcos Cesar"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "0-1"]
[ECO "E87"]
[BlackElo "2230"]
[PlyCount "76"]
[EventDate "1993.04.22"]
[EventType "swiss"]
[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 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 Nh5 8. Qd2 f5 9. Bd3 f4 10. Bf2 Bf6 11. Nge2 Bh4 12. g3 fxg3 13. hxg3 Bg5 14. Be3 Bxe3 15. Qxe3 Qf6 16. Rf1 c6 17. Kd2 Na6 18. f4 exf4 19. gxf4 Nb4 20. e5 Qe7 21. e6 Nf6 22. Rg1 Nxd3 23. Qxd3 b5 24. cxb5 cxd5 25. f5 Ne4+ 26. Nxe4 dxe4 27. Qxe4 Bb7 28. Qd4 Rxf5 29. Nc3 Qxe6 30. Rae1 Qf6 31. Qxf6 Rxf6 32. Re7 Rf7 33. Rge1 Raf8 34. Nd1 Kg7 35. R1e6 Rxe7 36. Rxe7+ Rf7 37. Re6 Rd7 38. Nc3 Kf7 0-1

[Event "BRA-ch U18 7th"]
[Site "Praia de Leste"]
[Date "1993.04.??"]
[Round "4"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Faria, Cassio Henrique D"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2230"]
[PlyCount "71"]
[EventDate "1993.04.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. 0-0 d6 5. d3 Nbd7 6. b4 a5 7. Qe1 c5 8. bxc5 Nxc5 9. Bg5 e5 10. a3 Be7 11. Nc3 b4 12. axb4 axb4 13. Rxa8 Bxa8 14. Na2 b3 15. cxb3 Nxb3 16. Qb4 Bxf3 17. Bxf3 Nd4 18. Qa4+ Qd7 19. Qa8+ Qd8 20. Bc6+ Nxc6 21. Qxc6+ Qd7 22. Qa8+ Qd8 23. Qa4+ Qd7 24. Qa8+ Qd8 25. Qb7 Qd7 26. Rb1 Qxb7 27. Rxb7 Nd7 28. Be3 d5 29. d4 Bd6 30. Nc3 Kd8 31. Nxd5 Kc8 32. Ra7 Bb8 33. Ne7+ Kd8 34. Nc6+ Kc8 35. Nxb8 Nxb8 36. Rxf7 1-0

[Event "BRA-ch U18 7th"]
[Site "Praia de Leste"]
[Date "1993.04.??"]
[Round "2"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Freitas, Romeu Salvador"]
[Result "1-0"]
[ECO "E88"]
[WhiteElo "2230"]
[PlyCount "53"]
[EventDate "1993.04.22"]
[EventType "swiss"]
[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 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 c6 8. Qd2 cxd5 9. cxd5 Nbd7 10. Bd3 a6 11. Nge2 b5 12. 0-0 Ne8 13. a4 b4 14. Nd1 a5 15. Rc1 f5 16. exf5 gxf5 17. f4 Ba6 18. Bxa6 Rxa6 19. fxe5 Nxe5 20. Nd4 Nc7 21. Nxf5 Qd7 22. Nxg7 Rxf1+ 23. Kxf1 Qf7+ 24. Nf2 Kxg7 25. Bh6+ Kh8 26. Qg5 Ra7 27. Rxc7 1-0

[Event "BRA-ch U18 7th"]
[Site "Praia de Leste"]
[Date "1993.04.??"]
[Round "5"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Prates, Fabiano Fortes"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2230"]
[PlyCount "72"]
[EventDate "1993.04.22"]
[EventType "swiss"]
[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 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c6 7. Qd2 a6 8. Bd3 Nbd7 9. Nge2 b5 10. Rc1 b4 11. Nd1 c5 12. Bh6 Qb6 13. d5 Ne8 14. Ng3 e6 15. h4 Ne5 16. Be2 exd5 17. exd5 f6 18. Bxg7 Nxg7 19. h5 g5 20. f4 Nf7 21. Bd3 gxf4 22. Qxf4 Ne5 23. Bb1 Qc7 24. h6 Ne8 25. Nf5 Kh8 26. Nde3 Ra7 27. Ng7 Qe7 28. Kd2 f5 29. Nexf5 Bxf5 30. Nxf5 Qf6 31. Qh4 Qf7 32. Rcf1 Qg8 33. Rhg1 Raf7 34. Bc2 Rf6 35. b3 Rg6 36. g3 Rg4 1-0

[Event "PAN-ch U18"]
[Site "Rancagua"]
[Date "1993.??.??"]
[Round "6"]
[White "Egger Mancilla, Jorge Alejandro"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1-0"]
[ECO "B78"]
[WhiteElo "2410"]
[BlackElo "2230"]
[PlyCount "75"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "PAN"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 d6 9. f3 Bd7 10. Qd2 Rc8 11. h4 h5 12. 0-0-0 Ne5 13. Bg5 Rc5 14. f4 Nc4 15. Qd3 Ng4 16. Bxc4 Nf2 17. Qe2 Nxh1 18. Bb3 a5 19. a4 Qb6 20. f5 Bxd4 21. Rxd4 Rxf5 22. exf5 Qxd4 23. fxg6 Qg1+ 24. Nd1 Bg4 25. gxf7+ Rxf7 26. Bxf7+ Kxf7 27. Qxe7+ Kg8 28. Qd8+ Kh7 29. Qc7+ Kg8 30. Qb8+ Kf7 31. Qxb7+ Kf8 32. Bh6+ Ke8 33. Qc6+ Ke7 34. Bg5+ Ke6 35. Qe8+ Kd5 36. c4+ Kxc4 37. Qe4+ Kb3 38. Qd5+ 1-0

[Event "PAN-ch U18"]
[Site "Rancagua"]
[Date "1993.??.??"]
[Round "12"]
[White "Langier, Daniel"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "2315"]
[BlackElo "2230"]
[PlyCount "42"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "PAN"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. 0-0 0-0 8. Nb3 Nc6 9. Re1 Be6 10. Bf1 d5 11. Nc5 Bg4 12. f3 d4 13. Nb5 Bc8 14. e5 Nd7 15. Nxd7 Qxd7 16. Bf4 a6 17. e6 fxe6 18. Bc4 axb5 19. Bxe6+ Qxe6 20. Rxe6 Bxe6 21. Qd2 Bxa2 0-1

[Event "PAN-ch U18"]
[Site "Rancagua"]
[Date "1993.??.??"]
[Round "3"]
[White "Mera Cedeno, Angel"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "0-1"]
[ECO "E60"]
[BlackElo "2230"]
[PlyCount "69"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "PAN"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 Nf6 4. Nf3 0-0 5. d4 d6 6. 0-0 Nbd7 7. Qc2 e5 8. Rd1 Re8 9. dxe5 dxe5 10. e4 c6 11. h3 Qe7 12. b3 Nc5 13. Ba3 Nfd7 14. Nc3 Qf6 15. b4 Ne6 16. c5 Qe7 17. Bb2 Rf8 18. Ne2 h6 19. Rd6 Ng5 20. Nxg5 hxg5 21. Qd2 Re8 22. a4 a5 23. b5 Nxc5 24. Qd1 cxb5 25. axb5 Nb3 26. Rb1 Nd4 27. Ba3 Be6 28. Nxd4 exd4 29. Qd3 Qf6 30. b6 Bf8 31. e5 Qxe5 32. Rxd4 Bxa3 33. Bxb7 Rab8 34. Bc6 Bf5 35. Qxa3 0-1

[Event "PAN-ch U18"]
[Site "Rancagua"]
[Date "1993.??.??"]
[Round "10"]
[White "Playa, Marcelo"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1/2-1/2"]
[ECO "B78"]
[WhiteElo "2395"]
[BlackElo "2230"]
[PlyCount "91"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "PAN"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[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. 0-0-0 Rc8 11. Bb3 Ne5 12. h4 h5 13. g4 hxg4 14. h5 Nxh5 15. Bh6 e6 16. Rdg1 Qf6 17. Bxg7 Qxg7 18. fxg4 Nf6 19. Rh4 g5 20. Rh3 Rxc3 21. Qxc3 Nxe4 22. Qe3 d5 23. c3 Rc8 24. Bc2 Nc4 25. Qe2 Qe5 26. Rf1 b5 27. Bxe4 Qxe4 28. Qxe4 dxe4 29. Rh5 Rc5 30. Re1 Nd6 31. Nb3 Rd5 32. Nd2 Kf8 33. Nxe4 Re5 34. Rd1 Nxe4 35. Rxd7 Nf6 36. Rd8+ Kg7 37. Rhh8 Nxg4 38. Rdg8+ Kf6 39. Ra8 Nf2 40. Rxa7 Kg7 41. Raa8 g4 42. b3 f5 43. a4 bxa4 44. bxa4 Rc5 45. a5 Rxa5 46. Rhg8+ 1/2-1/2

[Event "PAN-ch U18"]
[Site "Rancagua"]
[Date "1993.??.??"]
[Round "8"]
[White "Rojas Keim, Luis Alberto"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1-0"]
[ECO "B70"]
[WhiteElo "2310"]
[BlackElo "2230"]
[PlyCount "67"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "PAN"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Be2 Bg7 6. Nb3 Nf6 7. Nc3 0-0 8. 0-0 d6 9. Bg5 a6 10. f4 b5 11. Bf3 b4 12. Na4 Qc7 13. Kh1 Rb8 14. c4 Na5 15. c5 Rd8 16. cxd6 Rxd6 17. Qe2 Nxb3 18. axb3 Rc6 19. e5 Rc2 20. Qd1 Bf5 21. exf6 exf6 22. Bh4 Rd8 23. Qe1 Bd3 24. Rf2 Qxf4 25. Bg3 Qd4 26. Rd1 Rcc8 27. Bb7 Re8 28. Bxc8 Rxe1+ 29. Rxe1 Bb5 30. Rc2 h5 31. Nc5 Bf8 32. Bf2 Qd5 33. Bb7 Bc6 34. Ne4 1-0

[Event "PAN-ch U18"]
[Site "Rancagua"]
[Date "1993.??.??"]
[Round "1"]
[White "Silva Lillo, Sebastian"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2350"]
[BlackElo "2230"]
[PlyCount "106"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "PAN"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 0-0 6. Be2 b6 7. Ne5 Bb7 8. h4 c5 9. h5 Nbd7 10. Qd2 Rc8 11. 0-0-0 Nxe5 12. Bxe5 Ne4 13. Nxe4 dxe4 14. Bxg7 Kxg7 15. h6+ Kg8 16. dxc5 Qxd2+ 17. Rxd2 Rxc5 18. Rd7 Rfc8 19. c3 R5c7 20. Rhd1 f5 21. b3 Kf7 22. Kb2 Kf6 23. f4 exf3 24. gxf3 Bc6 25. R7d2 Kg5 26. Rh1 Rd7 27. f4+ Kf6 28. Rxd7 Bxd7 29. c4 Bc6 30. Rg1 Rd8 31. Kc3 e5 32. Rd1 Rxd1 33. Bxd1 g5 34. fxg5+ Kxg5 35. Bc2 Bd7 36. Kd2 Kxh6 37. Ke2 Kg5 38. Kf2 Bc6 39. b4 h5 40. Kg3 h4+ 41. Kh3 Bf3 42. c5 bxc5 43. bxc5 f4 44. exf4+ exf4 45. Bd3 Bg4+ 46. Kg2 f3+ 47. Kh2 Kf4 48. c6 Ke3 49. Ba6 Kd2 50. c7 f2 51. a4 Ke1 52. Kg2 Bd7 53. a5 h3+ 0-1

[Event "PAN-ch U18"]
[Site "Rancagua"]
[Date "1993.??.??"]
[Round "5"]
[White "Sosa Macho, Juan Manuel"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1-0"]
[ECO "E92"]
[BlackElo "2230"]
[PlyCount "87"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "PAN"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. Be3 Ng4 8. Bg5 f6 9. Bh4 Nc6 10. d5 Ne7 11. Nd2 Nh6 12. f3 f5 13. 0-0 Bf6 14. Bf2 c5 15. Rb1 g5 16. b4 b6 17. bxc5 bxc5 18. Nb3 Ng6 19. g3 g4 20. fxg4 fxg4 21. Be3 Bg5 22. Bxg5 Qxg5 23. Qd2 Rxf1+ 24. Bxf1 Nf7 25. Qxg5 Nxg5 26. Nd2 Ba6 27. Rb3 Nf7 28. Nb5 Bxb5 29. cxb5 Nd8 30. Nc4 Nb7 31. Ra3 Nf8 32. Be2 h5 33. h3 Nd7 34. hxg4 Nf6 35. Bd3 hxg4 36. Ra6 Rf8 37. Rxa7 Rf7 38. b6 Nh5 39. Na5 Rf3 40. Be2 Rxg3+ 41. Kf2 Rc3 42. Bxg4 Nf6 43. Be6+ Kf8 44. Rxb7 1-0

[Event "PAN-ch U18"]
[Site "Rancagua"]
[Date "1993.??.??"]
[Round "4"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Barria Zuniga, Daniel"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2230"]
[PlyCount "45"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "PAN"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 c5 7. Nge2 Nc6 8. Qd2 Qa5 9. d5 Ne5 10. Nc1 a6 11. Bg5 Rb8 12. f4 Ned7 13. Nb3 Qc7 14. a4 Re8 15. Bd3 e5 16. f5 gxf5 17. exf5 e4 18. Be2 e3 19. Bxe3 Ne5 20. 0-0 Qb6 21. Ra3 Qb4 22. Bh6 Nxc4 23. Qg5 1-0

[Event "PAN-ch U18"]
[Site "Rancagua"]
[Date "1993.??.??"]
[Round "11"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Escandon, Federico"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2230"]
[BlackElo "2120"]
[PlyCount "84"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "PAN"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. cxd5 exd5 6. Qc2 g6 7. Bg5 Be7 8. e3 Bf5 9. Bd3 Bxd3 10. Qxd3 Nbd7 11. h3 0-0 12. 0-0 Re8 13. Rab1 a5 14. Bf4 Nf8 15. Qc2 Ne6 16. Be5 Ng7 17. Nd2 Nf5 18. Na4 Bd6 19. Bxd6 Nxd6 20. Nc5 Qe7 21. a3 Kg7 22. Rfc1 Rec8 23. Re1 Re8 24. Nf1 Nfe4 25. Nxe4 Qxe4 26. Qc5 Qe7 27. b3 Nb5 28. Qxe7 Rxe7 29. Ra1 Nd6 30. Nd2 a4 31. b4 Rae8 32. Rec1 Rc8 33. Rc5 b6 34. Rc2 b5 35. Rc5 Nb7 36. Rc3 Nd6 37. Rac1 Nc4 38. Nf3 f6 39. Kf1 Rce8 40. Ke2 Kf7 41. Nd2 Ke6 42. Rb1 Kd6 1/2-1/2

[Event "PAN-ch U18"]
[Site "Rancagua"]
[Date "1993.??.??"]
[Round "7"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Renteria Becerra, Jorge Elicer"]
[Result "1/2-1/2"]
[ECO "D25"]
[WhiteElo "2230"]
[PlyCount "145"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "PAN"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 g6 5. Bxc4 Bg7 6. Nc3 0-0 7. 0-0 Nfd7 8. e4 Nb6 9. Be2 Bg4 10. Be3 e6 11. e5 Nc6 12. b3 f6 13. exf6 Qxf6 14. Ne4 Qf5 15. Nc5 e5 16. dxe5 Rad8 17. Qe1 Nxe5 18. Nxe5 Bxe5 19. Bxg4 Qxg4 20. h3 Qh4 21. Rd1 Rde8 22. Qd2 Qh5 23. a4 c6 24. Nxb7 Nd5 25. Bd4 Nf4 26. Bxe5 Rxe5 27. Kh2 Rg5 28. f3 Rxg2+ 29. Qxg2 Nxg2 30. Kxg2 Rf5 31. Rd8+ Kg7 32. Rd7+ Kh6 33. Nd6 Qg5+ 34. Kh1 Qg3 35. Nxf5+ gxf5 36. Rfd1 Qxh3+ 37. Kg1 Qg3+ 38. Kh1 Qxf3+ 39. Kg1 Qg4+ 40. Kh2 Qf4+ 41. Kg1 Qg4+ 42. Kh2 Qe2+ 43. Kg3 Kg5 44. Rg7+ Kf6 45. Rdd7 Qe3+ 46. Kg2 Qe4+ 47. Kf2 Qc2+ 48. Kf1 Ke5 49. Rxh7 Kf4 50. Rxa7 Qd1+ 51. Kf2 Qc2+ 52. Kf1 Qd3+ 53. Kf2 Qf3+ 54. Ke1 Qe3+ 55. Kf1 Qg3 56. Rad7 Qxb3 57. Rh4+ Ke5 58. Re7+ Kd6 59. Reh7 Qf3+ 60. Kg1 Qg3+ 61. Kf1 c5 62. Ke2 Ke5 63. Rc4 Qg2+ 64. Kd3 Qf3+ 65. Kd2 Qf2+ 66. Kd3 Qf1+ 67. Kc3 Qc1+ 68. Kd3 Qa3+ 69. Kc2 Qa2+ 70. Kc3 Qa3+ 71. Kc2 Kd5 72. Rhh4 Qa2+ 73. Kc3 1/2-1/2

[Event "PAN-ch U18"]
[Site "Rancagua"]
[Date "1993.??.??"]
[Round "13"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Sepulveda Herrera, Job Rodrigo"]
[Result "1-0"]
[ECO "E84"]
[WhiteElo "2230"]
[PlyCount "131"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "PAN"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 a6 7. Qd2 Nc6 8. Nge2 Re8 9. h4 Rb8 10. h5 b5 11. hxg6 fxg6 12. g4 e5 13. 0-0-0 Bxg4 14. fxg4 b4 15. Nd5 Nxe4 16. Qc2 exd4 17. Nxd4 Nxd4 18. Bxd4 c6 19. Qh2 h5 20. gxh5 cxd5 21. hxg6 Qg5+ 22. Kc2 Nf6 23. Rg1 Qh5 24. Qxh5 Nxh5 25. Bxg7 Nxg7 26. Rxd5 Re6 27. Bd3 Rf8 28. Rg2 Ne8 29. Ra5 Nc7 30. Rh5 Ref6 31. Rg1 Rf2+ 32. Kc1 Ne6 33. Rgh1 Kg7 34. Rh7+ Kf6 35. Rd7 Nf4 36. Rxd6+ Ke5 37. Rd7 Ke6 38. Rhh7 Nxd3+ 39. Rxd3 Rg2 40. Rh1 Rff2 41. Re1+ Kf5 42. g7 Rxg7 43. Rd5+ Kf4 44. Rd2 Rxd2 45. Kxd2 Rg2+ 46. Re2 Rxe2+ 47. Kxe2 Ke4 48. Kd2 Kd4 49. b3 a5 50. Kc2 Ke4 51. Kb2 Kd4 52. a3 bxa3+ 53. Kxa3 Kc5 54. Ka4 Kb6 55. c5+ Ka6 56. c6 Kb6 57. c7 Kxc7 58. Kxa5 Kc6 59. b4 Kb7 60. Kb5 Ka7 61. Kc6 Kb8 62. Kb6 Ka8 63. Kc7 Ka7 64. b5 Ka8 65. Kb6 Kb8 66. Kc6 1-0

[Event "PAN-ch U18"]
[Site "Rancagua"]
[Date "1993.??.??"]
[Round "2"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Torres Gonzalez, Jose Arturo"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2230"]
[PlyCount "121"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "PAN"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 0-0 6. Bg2 Nc6 7. 0-0 Bxd2 8. Nbxd2 a5 9. e4 e5 10. d5 Nb8 11. Qc2 Na6 12. Qc3 Nc5 13. Nxe5 Na4 14. Qd4 c5 15. dxc6 dxc6 16. Nd3 Rd8 17. Qe3 Ng4 18. Qe2 Ne5 19. Nxe5 Qxe5 20. Rab1 Bg4 21. Nf3 Bxf3 22. Bxf3 Rd4 23. Qc2 Nc5 24. Rbd1 Rad8 25. Rxd4 Rxd4 26. Rd1 Ne6 27. Kg2 c5 28. Qa4 g6 29. Rxd4 Qxd4 30. Qb5 a4 31. Qxb7 Qxc4 32. b3 axb3 33. axb3 Qb4 34. Qxb4 cxb4 35. Bd1 Nc5 36. Kf3 Kf8 37. Ke3 Ke7 38. f4 f6 39. Bc2 Kd6 40. Kd4 Na6 41. Bd3 Nc7 42. Kc4 Ne6 43. Kxb4 Nd4 44. Kc3 Nf3 45. h3 g5 46. Be2 Ng1 47. Bg4 h5 48. Bxh5 gxf4 49. gxf4 Nxh3 50. f5 Ke5 51. b4 Ng5 52. Bg6 Nxe4+ 53. Kc4 Kd6 54. Bf7 Ke5 55. Be6 Ng5 56. Kc5 Nxe6+ 57. fxe6 Kxe6 58. Kc6 Ke7 59. b5 Kd8 60. Kb7 f5 61. b6 1-0

[Event "PAN-ch U18"]
[Site "Rancagua"]
[Date "1993.??.??"]
[Round "9"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Vescovi, Giovanni P"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2230"]
[BlackElo "2340"]
[PlyCount "70"]
[EventDate "1993.??.??"]
[EventType "tourn"]
[EventRounds "13"]
[EventCountry "PAN"]
[SourceTitle "Juniors"]
[Source "ChessBase"]
[SourceDate "1999.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1999.07.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. g3 0-0 6. Bg2 Bxd2+ 7. Qxd2 d6 8. 0-0 e5 9. Nc3 Nc6 10. d5 Nb8 11. e4 a5 12. Ne1 Na6 13. Nd3 Nc5 14. f4 Nfd7 15. Nxc5 Nxc5 16. f5 f6 17. h4 Bd7 18. Bf3 Rfb8 19. Be2 g6 20. g4 gxf5 21. gxf5 Kh8 22. Kh2 Rg8 23. Rg1 Qf7 24. b3 Rad8 25. Qc2 Rg7 26. Qd2 Rdg8 27. Bf3 Qe8 28. Ne2 Bxf5 29. exf5 e4 30. Rxg7 Rxg7 31. Nf4 exf3 32. Qc3 Qe5 33. Qxe5 fxe5 34. Nh3 Rg2+ 35. Kh1 Ne4 0-1

[Event "Sao Paulo Latin America Cup"]
[Site "Sao Paulo"]
[Date "1992.08.??"]
[Round "9"]
[White "De Souza, Mauro Guimaraes"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1/2-1/2"]
[ECO "B78"]
[WhiteElo "2210"]
[PlyCount "67"]
[EventDate "1992.08.08"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. Bb3 Rc8 11. 0-0-0 Ne5 12. h4 h5 13. Bh6 a5 14. Bxg7 Kxg7 15. f4 Nc6 16. Nf3 Bg4 17. Rhe1 Nd7 18. Kb1 Nc5 19. Qe3 b5 20. e5 a4 21. Bd5 b4 22. exd6 exd6 23. Nb5 b3 24. axb3 axb3 25. Bxb3 Qa5 26. Qc3+ Qxc3 27. bxc3 Rb8 28. c4 Na5 29. Kb2 Ne6 30. f5 Bxf5 31. Nfd4 Bg4 32. Rd2 Rfc8 33. Nxd6 Nxc4+ 34. Nxc4 1/2-1/2

[Event "Sao Paulo Latin America Cup"]
[Site "Sao Paulo"]
[Date "1992.08.??"]
[Round "4"]
[White "Disconzi da Silva, Rodrigo"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1/2-1/2"]
[ECO "E68"]
[WhiteElo "2280"]
[PlyCount "93"]
[EventDate "1992.08.08"]
[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 g6 2. Nc3 Bg7 3. g3 d6 4. Bg2 Nf6 5. d4 0-0 6. Nf3 Nbd7 7. 0-0 e5 8. e4 exd4 9. Nxd4 Nc5 10. Re1 a5 11. Ndb5 Be6 12. Bf1 Ng4 13. Rb1 Ne5 14. b3 Bg4 15. Be2 Bxe2 16. Rxe2 Ned3 17. Be3 c6 18. Nd4 Qe7 19. Kg2 Rfe8 20. f3 Ne5 21. Bf2 Qf6 22. Rd2 h5 23. h3 h4 24. f4 Ned7 25. Qf3 Qe7 26. g4 Ne6 27. Nxe6 Qxe6 28. Re1 g5 29. e5 dxe5 30. f5 Qe7 31. Ne4 Nf6 32. Bc5 Qc7 33. Bd6 Qb6 34. Nc3 e4 35. Nxe4 Nxe4 36. Rxe4 Rxe4 37. Qxe4 a4 38. f6 Bxf6 39. Qf5 Qa5 40. Qf2 Qc3 41. Ba3 Qe5 42. Qf3 Qg3+ 43. Qxg3 hxg3 44. Bd6 axb3 45. axb3 Re8 46. Rd3 Kg7 47. Kxg3 1/2-1/2

[Event "Sao Paulo Latin America Cup"]
[Site "Sao Paulo"]
[Date "1992.08.??"]
[Round "7"]
[White "Nascimento, Alexandre"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "0-1"]
[ECO "E69"]
[WhiteElo "2295"]
[PlyCount "80"]
[EventDate "1992.08.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. c4 Nbd7 7. Nc3 e5 8. e4 exd4 9. Nxd4 Re8 10. Re1 a5 11. Rb1 Nc5 12. h3 c6 13. Kh2 Qe7 14. Bf4 Nfd7 15. Be3 Ne5 16. Bf1 Ne6 17. Nc2 a4 18. f4 Nd7 19. Qd2 Nec5 20. Bd4 f6 21. Bf2 Bf8 22. Nd4 Qf7 23. b4 axb3 24. axb3 Ne6 25. Nxe6 Qxe6 26. h4 Qf7 27. b4 Nb8 28. Bd4 Be6 29. c5 Nd7 30. Qf2 f5 31. exf5 Bxf5 32. Rxe8 Rxe8 33. Rb2 Nf6 34. Be2 Bg7 35. cxd6 Rxe2 36. Qxe2 Ng4+ 37. Kg2 Bxd4 38. Ra2 Bxc3 39. Ra8+ Kg7 40. Re8 Qd5+ 0-1

[Event "Sao Paulo Latin America Cup"]
[Site "Sao Paulo"]
[Date "1992.08.??"]
[Round "10"]
[White "Rodrigues, Adriano Pfuhl"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2260"]
[PlyCount "85"]
[EventDate "1992.08.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 0-0 5. e4 d6 6. Bd3 h6 7. Be3 Ng4 8. Bf4 e5 9. dxe5 Nxe5 10. Nxe5 dxe5 11. Be3 Be6 12. Qe2 Qe7 13. 0-0 Nd7 14. c3 Nf6 15. b4 Rfd8 16. Rfd1 b6 17. f3 Ne8 18. Bb5 a5 19. Bc6 Ra7 20. b5 Nd6 21. a4 Bd7 22. Bd5 Be6 23. c4 Bxd5 24. cxd5 Raa8 25. Rdc1 f5 26. Rc6 Rd7 27. Rac1 fxe4 28. fxe4 Rf8 29. Qg4 Rf6 30. Bf2 h5 31. Qe2 Bh6 32. Be3 Bxe3+ 33. Qxe3 Nf7 34. Qh3 Rfd6 35. Qg3 Kg7 36. Nf3 Rxc6 37. Rxc6 Rd6 38. Rc4 Kh6 39. Qe1 Kg7 40. Qc3 Rd7 41. Rc6 Kh7 42. h4 Qf8 43. Rxc7 1-0

[Event "Sao Paulo Latin America Cup"]
[Site "Sao Paulo"]
[Date "1992.08.??"]
[Round "2"]
[White "Soppe, Guillermo"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2440"]
[PlyCount "101"]
[EventDate "1992.08.08"]
[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 g6 2. d4 Nf6 3. Bg5 Bg7 4. Nbd2 0-0 5. c3 d6 6. e3 Nbd7 7. Bc4 Qe8 8. 0-0 e5 9. a4 e4 10. Ne1 h6 11. Bh4 Kh8 12. a5 d5 13. Ba2 c6 14. c4 Qe6 15. Nc2 dxc4 16. Bxc4 Nd5 17. Nb4 g5 18. Bg3 f5 19. Qb3 f4 20. Nxd5 cxd5 21. Bxd5 Qe7 22. a6 Nb6 23. Bxe4 fxg3 24. hxg3 Be6 25. Qa3 Qxa3 26. Rxa3 Bd5 27. axb7 Rab8 28. Rxa7 Rf7 29. Rc1 Rbxb7 30. Rxb7 Rxb7 31. Rc5 Bxe4 32. Nxe4 Na4 33. Rc8+ Kh7 34. Nd6 Rd7 35. Nf5 Nxb2 36. g4 Na4 37. Rc6 Rb7 38. g3 Nb6 39. e4 Nd7 40. e5 Bxe5 41. Rxh6+ Kg8 42. dxe5 Nxe5 43. Re6 Rb5 44. Nd6 Ra5 45. Ne4 Nxg4 46. Rg6+ Kf7 47. Rxg5 Ra1+ 48. Kg2 Nh6 49. g4 Ra4 50. f3 Ra2+ 51. Kg3 1-0

[Event "Sao Paulo Latin America Cup"]
[Site "Sao Paulo"]
[Date "1992.08.??"]
[Round "8"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Agdamus, Jose Luis"]
[Result "1/2-1/2"]
[ECO "D35"]
[BlackElo "2230"]
[PlyCount "87"]
[EventDate "1992.08.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Bf4 Bf5 6. e3 Nf6 7. Bd3 Bxd3 8. Qxd3 Nbd7 9. Nf3 Be7 10. 0-0 0-0 11. Rab1 a5 12. Qc2 Re8 13. Nd2 Nh5 14. Bg3 g6 15. Rfc1 Nxg3 16. hxg3 Nf6 17. Qd1 Bd6 18. Na4 h5 19. Nc5 Qe7 20. Qe2 Ng4 21. Nf3 Kg7 22. a3 a4 23. b4 axb3 24. Rxb3 Ra7 25. Qb2 Rea8 26. Rb1 b5 27. Rc1 Bxc5 28. Rxc5 b4 29. Rxc6 Rxa3 30. Rxa3 bxa3 31. Qa2 Qb4 32. Rc2 Rb8 33. Kf1 Qb1+ 34. Qxb1 Rxb1+ 35. Ke2 Rb2 36. Rxb2 axb2 37. Nd2 Kf6 38. e4 Ke6 39. f3 Nf6 40. Kd3 dxe4+ 41. fxe4 Ng4 42. Kc2 Ne3+ 43. Kxb2 Nxg2 44. Kc2 1/2-1/2

[Event "Sao Paulo Latin America Cup"]
[Site "Sao Paulo"]
[Date "1992.08.??"]
[Round "5"]
[White "Steinhoff, Igor Muramatsu"]
[Black "De Haro, Martim Alfonso"]
[Result "1/2-1/2"]
[ECO "A99"]
[PlyCount "58"]
[EventDate "1992.08.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 d6 7. b3 a5 8. Bb2 Qe8 9. Nc3 c6 10. Qc2 d5 11. Qc1 Na6 12. Ne5 Nd7 13. f4 Nxe5 14. fxe5 Kh8 15. Ba3 Nb4 16. Na4 b5 17. Nb6 Rb8 18. Bxb4 axb4 19. c5 Qg6 20. Qd2 Bg5 21. e3 Rf7 22. Rf3 Qh6 23. h4 Be7 24. Nxc8 Rxc8 25. Qxb4 g5 26. hxg5 Bxg5 27. Qd2 Ra8 28. a4 bxa4 29. Rxa4 Rfa7 1/2-1/2

[Event "Sao Paulo Latin America Cup"]
[Site "Sao Paulo"]
[Date "1992.08.??"]
[Round "1"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Henao, Raul Fernando"]
[Result "1/2-1/2"]
[ECO "D91"]
[BlackElo "2390"]
[PlyCount "119"]
[EventDate "1992.08.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 Nxc3 6. bxc3 dxc4 7. e3 Be6 8. Rb1 Bg7 9. Nf3 0-0 10. Nd2 b6 11. Be2 c5 12. Bf3 Bd5 13. Bxe7 Bxf3 14. Qxf3 Qxe7 15. Qxa8 cxd4 16. cxd4 c3 17. Nb3 c2 18. Rc1 Qb4+ 19. Nd2 Qc3 20. Qd5 Rc8 21. Qb3 Bf8 22. Qxc3 Rxc3 23. Nb3 Na6 24. Kd2 Bb4 25. Na1 Ra3+ 26. Ke2 Bc3 27. Nxc2 Rxa2 28. Kd3 Bb2 29. Rb1 b5 30. Rhf1 b4 31. Kc4 Bc3 32. Nxb4 Bxb4 33. Rxb4 Nxb4 34. Kxb4 Kf8 35. h3 Ke7 36. Kb3 Re2 37. Ra1 Rxf2 38. Rxa7+ Ke6 39. Ra2 Rf1 40. Kc3 f5 41. Kd3 Rb1 42. Ra6+ Kd5 43. Ra5+ Ke6 44. Ke2 Rb6 45. Kf3 h5 46. g3 Kf6 47. Rc5 Ra6 48. d5 Ra4 49. Rc6+ Kf7 50. d6 g5 51. d7 g4+ 52. hxg4 hxg4+ 53. Ke2 Ra2+ 54. Kd3 Ke7 55. Rd6 Kd8 56. Rd5 Rg2 57. Rxf5 Kxd7 58. Rg5 Rxg3 59. Ke4 Rg1 60. Kf4 1/2-1/2

[Event "Sao Paulo Latin America Cup"]
[Site "Sao Paulo"]
[Date "1992.08.??"]
[Round "3"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Martins, Alexandre M"]
[Result "1-0"]
[ECO "A87"]
[PlyCount "83"]
[EventDate "1992.08.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf3 d6 6. 0-0 0-0 7. b3 Qe8 8. Bb2 Nbd7 9. Nc3 a6 10. Qc2 e5 11. dxe5 Nxe5 12. Nxe5 dxe5 13. e4 c6 14. Na4 Nd7 15. Rad1 f4 16. f3 b5 17. cxb5 cxb5 18. Qc6 Ra7 19. Nc3 Nf6 20. Qb6 Rd7 21. Ba3 Rff7 22. Bd6 Bf8 23. gxf4 Bxd6 24. Rxd6 Rxd6 25. Qxd6 exf4 26. Qxf4 Nd5 27. Qd2 Nf4 28. Rd1 Ne6 29. Nd5 Kg7 30. Qc3+ Kh6 31. Nf6 Qf8 32. Ng4+ Kh5 33. Rd5+ g5 34. Qe5 Rxf3 35. Bxf3 Qxf3 36. Nf2 h6 37. Qg3 Qe2 38. Qh3+ Kg6 39. Rd6 Qe1+ 40. Kg2 Kg7 41. Rxe6 Bxe6 42. Qxe6 1-0

[Event "Sao Paulo Latin America Cup"]
[Site "Sao Paulo"]
[Date "1992.08.??"]
[Round "6"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Name, Gabriel Ricardo"]
[Result "1/2-1/2"]
[ECO "A44"]
[PlyCount "50"]
[EventDate "1992.08.08"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. e4 d6 4. Be3 Be7 5. Qd2 h6 6. Nc3 Bg5 7. Nf3 Bxe3 8. Qxe3 g6 9. Nd2 a6 10. a4 Nd7 11. f3 b6 12. Bd3 Qg5 13. Qf2 Qe7 14. Rb1 Ngf6 15. b4 0-0 16. bxc5 bxc5 17. Nc4 Ne8 18. g4 Rb8 19. Rxb8 Nxb8 20. h4 Kg7 21. Qe3 Qd8 22. a5 Nc7 23. Nb6 Bb7 24. Kd2 Nd7 25. h5 Rh8 1/2-1/2

[Event "Guarapuava op"]
[Site "Guarapuava"]
[Date "1992.07.??"]
[Round "2"]
[White "Asfora, Marco Antonio Hazin"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1-0"]
[ECO "E87"]
[WhiteElo "2270"]
[PlyCount "117"]
[EventDate "1992.07.??"]
[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 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 Nh5 8. Qd2 f5 9. Nge2 Nd7 10. 0-0-0 Ndf6 11. exf5 gxf5 12. g3 Qe8 13. Bg2 Qg6 14. Rhg1 Kh8 15. Bh1 Qf7 16. Kb1 a6 17. c5 Nd7 18. cxd6 cxd6 19. Na4 b5 20. Nb6 Nxb6 21. Bxb6 Bb7 22. f4 e4 23. g4 fxg4 24. Bxe4 Nf6 25. Bh1 Rac8 26. Ng3 Rc4 27. Nf5 Qg6 28. Qd3 Rfc8 29. Be3 Ne8 30. Nxg7 Qxd3+ 31. Rxd3 Nxg7 32. Rxg4 Nf5 33. Bd2 Re8 34. Bc3+ Rxc3 35. Rxc3 Ne3 36. Rg1 Nc4 37. Rc2 h6 38. Kc1 Rf8 39. Rf2 Rf7 40. Rg6 Re7 41. Bf3 Bc8 42. Re2 Rc7 43. Kd1 Bf5 44. Rg1 Kh7 45. Rge1 Kg6 46. Rg2+ Kh7 47. Rge2 Kg6 48. b3 Na3 49. Be4 Bxe4 50. Rxe4 Nb1 51. Re6+ Kf5 52. Rxd6 Nc3+ 53. Kd2 Ne4+ 54. Rxe4 Kxe4 55. Rxh6 Kxd5 56. Rxa6 Rh7 57. f5 Rxh2+ 58. Ke3 Rh3+ 59. Kf4 1-0

[Event "Guarapuava op"]
[Site "Guarapuava"]
[Date "1992.07.??"]
[Round "4"]
[White "De Toledo, James Mann"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "2255"]
[PlyCount "50"]
[EventDate "1992.07.??"]
[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 g6 2. e4 Bg7 3. d4 c5 4. c4 cxd4 5. Nxd4 Nc6 6. Be3 Nf6 7. Nc3 d6 8. Be2 0-0 9. 0-0 a6 10. Qd2 Rb8 11. f3 Bd7 12. Rfd1 Ne5 13. Rac1 Re8 14. Nd5 Bc6 15. Nxf6+ Bxf6 16. f4 Nd7 17. e5 Bg7 18. Nxc6 bxc6 19. b3 Nf8 20. exd6 exd6 21. Bf3 Qc7 22. Bf2 Rbd8 23. Re1 Ne6 24. Rcd1 c5 25. Bd5 Nd4 1/2-1/2

[Event "Guarapuava op"]
[Site "Guarapuava"]
[Date "1992.07.??"]
[Round "10"]
[White "Egoroff, Jomar"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "0-1"]
[ECO "B78"]
[PlyCount "50"]
[EventDate "1992.07.??"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 0-0 8. Bc4 Nc6 9. Qd2 Bd7 10. Bb3 Rc8 11. 0-0-0 Ne5 12. h4 h5 13. Bg5 Rc5 14. f4 Nc4 15. Qe2 b5 16. e5 Qa5 17. exf6 exf6 18. Ne4 fxg5 19. f5 Bxf5 20. Nxf5 Rxf5 21. g4 Rf4 22. hxg5 Bxb2+ 23. Kb1 Be5 24. c3 Rxe4 25. Qxe4 Qxc3 0-1

[Event "Guarapuava op"]
[Site "Guarapuava"]
[Date "1992.07.??"]
[Round "6"]
[White "Madeira, Wagner Martins"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2290"]
[PlyCount "136"]
[EventDate "1992.07.??"]
[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. c3 d6 3. d4 Nf6 4. dxc5 Nc6 5. Bc4 e6 6. Bg5 dxc5 7. Qxd8+ Nxd8 8. f3 Nc6 9. Na3 a6 10. Nc2 Bd6 11. Rd1 Bc7 12. Nh3 Bd7 13. Be2 h6 14. Be3 b6 15. 0-0 g5 16. Nf2 Ne5 17. b4 c4 18. Bd4 Ba4 19. Rd2 Bxc2 20. Rxc2 b5 21. a4 Nfd7 22. g3 Bb6 23. Bxb6 Nxb6 24. a5 Nbd7 25. Rd2 Ke7 26. Rfd1 Rhd8 27. Nh3 Nf6 28. Rxd8 Rxd8 29. Rxd8 Kxd8 30. Nf2 Ng6 31. Kf1 Kc7 32. Ke1 Ne5 33. Kd2 Nc6 34. h4 Kd6 35. Bf1 Ng8 36. Bh3 Ne5 37. Ke3 Ng6 38. hxg5 hxg5 39. f4 gxf4+ 40. gxf4 f6 41. f5 exf5 42. exf5 Ne5 43. Ne4+ Kc6 44. Nc5 Ne7 45. Bg2+ Kd6 46. Ne4+ Kc7 47. Nxf6 Nxf5+ 48. Ke4 Nh4 49. Ne8+ Kd8 50. Bh1 Nd3 51. Kd5 Kxe8 52. Kc6 Nf5 53. Be4 Nd4+ 54. Kb6 Nxb4 55. cxb4 Kd8 56. Kc5 Nb3+ 57. Kd6 Nd4 58. Ke5 Nb3 59. Kf4 Kc7 60. Ke3 Nc1 61. Bb1 Nb3 62. Bc2 Nc1 63. Bb1 Nb3 64. Ba2 Kc6 65. Bb1 Nxa5 66. Be4+ Kb6 67. bxa5+ Kxa5 68. Kd4 Kb4 0-1

[Event "Guarapuava op"]
[Site "Guarapuava"]
[Date "1992.07.??"]
[Round "8"]
[White "Matsuura, Everaldo"]
[Black "Steinhoff, Igor Muramatsu"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2355"]
[PlyCount "51"]
[EventDate "1992.07.??"]
[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 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 g6 6. c3 Bg7 7. d4 cxd4 8. cxd4 e5 9. Nc3 Ne7 10. dxe5 dxe5 11. Qa4 0-0 12. Rd1 Nc6 13. Bg5 f6 14. Qb3+ Rf7 15. Nb5 Na5 16. Qd5 Bf8 17. Bh6 Qb6 18. Bxf8 Kxf8 19. b4 Nc6 20. Nd6 Rg7 21. b5 Nd8 22. Rac1 a6 23. a4 axb5 24. axb5 Qa7 25. Nc8 Qa3 26. Rc7 1-0

[Event "Guarapuava op"]
[Site "Guarapuava"]
[Date "1992.07.??"]
[Round "9"]
[White "Steinhoff, Igor Muramatsu"]
[Black "Carvalho, Renato Luiz"]
[Result "1-0"]
[ECO "E81"]
[PlyCount "98"]
[EventDate "1992.07.??"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. f3 d6 6. Be3 Nbd7 7. Qd2 c6 8. Bd3 Ne8 9. Nge2 Nb6 10. g4 d5 11. cxd5 cxd5 12. e5 f6 13. exf6 Rxf6 14. Bf4 Nc4 15. Bxc4 dxc4 16. Ne4 Rb6 17. Qc2 Be6 18. Rd1 Nf6 19. Nc5 Nd5 20. Bd2 Bf7 21. 0-0 e5 22. dxe5 Bxe5 23. Na4 Qh4 24. Rf2 Rf6 25. Nc5 Nf4 26. Nxf4 Bxf4 27. Ne4 Bc7 28. Bg5 Qh3 29. Nxf6+ Kg7 30. Qc3 Kf8 31. Qb4+ Kg7 32. Ne4 Re8 33. Bf6+ Kg8 34. Qd2 Bb6 35. Bd4 Rd8 36. Nf6+ Kf8 37. Qb4+ Kg7 38. Nh5+ Kg8 39. Nf6+ Kg7 40. Qc3 Qh4 41. Nd7+ Kg8 42. Nxb6 axb6 43. Re1 Qh6 44. Rfe2 Qf4 45. Bh8 Qh6 46. Qf6 Rf8 47. Qd4 c3 48. bxc3 b5 49. Re7 b6 1-0

