[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2017.10.15"]
[Round "7"]
[White "Castro Vasconcelos, Jairo Sergio"]
[Black "Sakiyama, Enzo Tetsuo"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1573"]
[BlackElo "1374"]
[PlyCount "73"]
[EventDate "2017.10.12"]
[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 e5 2. Nf3 Nf6 3. d4 d6 4. Bc4 Bg4 5. d5 Bxf3 6. Qxf3 Ng8 7. Qb3 b6 8. Bb5+ Nd7 9. Bc6 Rb8 10. Qb5 a5 11. Nc3 Ngf6 12. Bg5 Be7 13. Bxf6 Bxf6 14. a3 Ke7 15. b4 Nf8 16. 0-0 Ng6 17. Rfb1 Qc8 18. bxa5 bxa5 19. Qxa5 Bg5 20. Rxb8 Qxb8 21. Rb1 Qc8 22. Rb7 Kf6 23. Qxc7 Qxc7 24. Rxc7 Rb8 25. Rb7 Rxb7 26. Bxb7 Bd2 27. Nb5 Ke7 28. c3 Nf4 29. Kf1 Ng6 30. a4 Nf8 31. Bc6 Nd7 32. Bxd7 Kxd7 33. a5 Kc8 34. a6 Kb8 35. Ke2 Bg5 36. Nxd6 Ka7 37. Nxf7 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2017.10.14"]
[Round "6"]
[White "Sakiyama, Enzo Tetsuo"]
[Black "Izidro, Paulo Ricardo"]
[Result "1-0"]
[ECO "C40"]
[WhiteElo "1374"]
[PlyCount "77"]
[EventDate "2017.10.12"]
[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 e5 2. Nf3 Qe7 3. Nc3 c6 4. Bc4 d6 5. 0-0 Bg4 6. h3 Be6 7. Bxe6 Qxe6 8. d4 Nf6 9. dxe5 dxe5 10. Bg5 h6 11. Bxf6 Qxf6 12. Qd2 Bb4 13. a3 Bxc3 14. Qxc3 Nd7 15. Rad1 Qe6 16. Qb4 0-0-0 17. Rd6 c5 18. Rxe6 cxb4 19. Re7 bxa3 20. bxa3 Rhf8 21. Nxe5 Nxe5 22. Rxe5 Rfe8 23. Rxe8 Rxe8 24. f3 Kc7 25. Rd1 b5 26. Kf2 Re7 27. Rb1 Kc6 28. Ke3 Rd7 29. Rb3 f6 30. Rd3 Rxd3+ 31. Kxd3 Kc5 32. c3 a5 33. g3 g5 34. f4 b4 35. cxb4+ axb4 36. axb4+ Kxb4 37. Kd4 gxf4 38. gxf4 Kb5 39. Kd5 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2017.10.14"]
[Round "5"]
[White "Sakiyama, Enzo Tetsuo"]
[Black "Oliveira, Francisco Evandro S"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1374"]
[BlackElo "1216"]
[PlyCount "63"]
[EventDate "2017.10.12"]
[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 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. b3 Bd7 7. Bf4 a5 8. Nbd2 cxd4 9. cxd4 Nxd4 10. Be3 Bc5 11. Bxd4 Bxd4 12. Nxd4 Qxd4 13. Be2 Qxe5 14. 0-0 Ne7 15. Re1 Qg5 16. Nf3 Qf6 17. Rc1 0-0 18. Bd3 g6 19. Qe2 Rac8 20. Qd2 Kg7 21. Qxa5 Ra8 22. Qd2 Rfe8 23. a4 Nc6 24. Bb5 Rec8 25. Bxc6 bxc6 26. Ne5 Be8 27. Ng4 Qd8 28. Qh6+ Kg8 29. Re3 Qe7 30. Rh3 f5 31. Qxh7+ Qxh7 32. Nf6+ 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2017.10.13"]
[Round "3"]
[White "Costa, Leonardo Antonio"]
[Black "Sakiyama, Enzo Tetsuo"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1570"]
[BlackElo "1374"]
[PlyCount "132"]
[EventDate "2017.10.12"]
[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 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nf3 g6 6. Be3 Bg7 7. Qd2 0-0 8. Bh6 Bf5 9. Bxg7 Kxg7 10. d5 Bxb1 11. Rxb1 c6 12. Qd4+ Kg8 13. Qh4 f6 14. Nd4 Qd6 15. Ne6 Rf7 16. Qf4 Qxf4 17. Nxf4 cxd5 18. cxd5 g5 19. Ne6 N8d7 20. Rc1 Rc8 21. Rxc8+ Nxc8 22. Nd8 Rf8 23. Nxb7 Ncb6 24. d6 exd6 25. Nxd6 Rd8 26. Nc4 Nxc4 27. Bxc4+ Kg7 28. f4 Rc8 29. Be2 Rc1+ 30. Bd1 Rb1 31. b3 Rb2 32. 0-0 Rxa2 33. fxg5 fxg5 34. Bf3 Ne5 35. Bd5 Rd2 36. Be6 Rd6 37. Bf5 Rb6 38. Ra1 Rb7 39. Ra5 Re7 40. Ra6 Rf7 41. g4 Rb7 42. Ra5 Re7 43. Kg2 h6 44. Ra6 Rb7 45. Re6 Nf7 46. Rg6+ Kf8 47. Be6 Rc7 48. Bc4 Nd6 49. Rxd6 Kg7 50. Kf3 a5 51. Ra6 Rc5 52. Ke4 Rc7 53. Rxa5 Re7+ 54. Re5 Rd7 55. Rd5 Re7+ 56. Kd4 Re1 57. Re5 Rd1+ 58. Kc5 Rd2 59. Re2 Rd8 60. Bd5 Rc8+ 61. Bc6 Kf6 62. b4 Rc7 63. b5 Ra7 64. b6 Ra5+ 65. Kb4 Ra6 66. b7 Rxc6 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2017.10.13"]
[Round "4"]
[White "Paula, Hugo de Araujo"]
[Black "Sakiyama, Enzo Tetsuo"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1585"]
[BlackElo "1374"]
[PlyCount "103"]
[EventDate "2017.10.12"]
[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 d5 2. exd5 Nf6 3. c4 e6 4. Qe2 Qe7 5. Nc3 exd5 6. cxd5 Qxe2+ 7. Bxe2 Bc5 8. Nf3 0-0 9. 0-0 Bg4 10. h3 Bh5 11. g4 Bg6 12. d4 Bb4 13. Bc4 Bxc3 14. bxc3 Be4 15. Ng5 Bxd5 16. Bxd5 Nxd5 17. c4 Nb4 18. c5 Nd5 19. Bb2 Nc6 20. Rfe1 Rfe8 21. Nf3 Rad8 22. Rxe8+ Rxe8 23. Re1 Rxe1+ 24. Nxe1 Kf8 25. Nd3 Ke7 26. f4 Ncb4 27. Nxb4 Nxb4 28. a3 Nd3 29. Bc3 Nxf4 30. Bb4 Nxh3+ 31. Kh2 Ng5 32. c6+ Ke6 33. cxb7 Nf3+ 34. Kg3 Nxd4 35. b8Q f5 36. Qxa7 Ne2+ 37. Kf3 Ng1+ 38. Qxg1 fxg4+ 39. Qxg4+ Kf6 40. Bc3+ Kf7 41. Qxg7+ Ke6 42. Qxh7 c6 43. Ke4 Kd6 44. Bd4 c5 45. Qh6+ Ke7 46. Bxc5+ Kf7 47. Kf5 Ke8 48. Qe6+ Kd8 49. Qe7+ Kc8 50. Bb6 Kb8 51. Qc7+ Ka8 52. Qc8# 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2017.10.12"]
[Round "1"]
[White "Garcia, Erich Douglas Ribei"]
[Black "Sakiyama, Enzo Tetsuo"]
[Result "1-0"]
[ECO "D06"]
[BlackElo "1374"]
[PlyCount "112"]
[EventDate "2017.10.12"]
[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 Bf5 3. Nc3 e6 4. Bf4 Bd6 5. Bxd6 Qxd6 6. c5 Qe7 7. e3 a6 8. Bd3 Bg6 9. Nge2 Nc6 10. 0-0 0-0-0 11. a3 Bxd3 12. Qxd3 Nf6 13. b4 g5 14. b5 axb5 15. Qxb5 h5 16. Rfb1 Kd7 17. Qxb7 Rb8 18. Qa6 Ra8 19. Qd3 g4 20. Rb7 Rhb8 21. Rxb8 Rxb8 22. Rb1 Rxb1+ 23. Qxb1 e5 24. Qb5 e4 25. Nf4 h4 26. a4 Qd8 27. Nfxd5 Nxd5 28. Nxd5 Qb8 29. Nf6+ Ke7 30. Nxe4 Qxb5 31. axb5 Na5 32. Kf1 Ke6 33. Nc3 f5 34. Ke2 Nc4 35. Kd3 Nb2+ 36. Kc2 Nc4 37. Kb3 Nd2+ 38. Ka4 Nc4 39. Kb4 Nd2 40. Ka5 Ne4 41. Nxe4 fxe4 42. Ka6 Kd7 43. Ka7 Ke7 44. g3 Ke6 45. b6 c6 46. b7 Kd5 47. b8Q Kc4 48. Qd6 Kb4 49. Qg6 Kc4 50. Qxc6 Kd3 51. d5 Ke2 52. Qf6 Kf1 53. d6 Kg2 54. d7 Kxh2 55. d8Q Kg2 56. Qd1 h3 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2017.10.12"]
[Round "2"]
[White "Sakiyama, Enzo Tetsuo"]
[Black "De Andrade, Thomaz Carleial"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1374"]
[PlyCount "85"]
[EventDate "2017.10.12"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. 0-0 dxc3 7. e5 d5 8. exf6 dxc4 9. Qxd8+ Nxd8 10. Re1+ Ne6 11. fxg7 Rg8 12. Nxc3 Bb4 13. Bh6 Kd7 14. a3 Bxc3 15. bxc3 Nxg7 16. Ne5+ Kd8 17. Nxf7+ Kd7 18. Ne5+ Ke8 19. Rad1 Ke7 20. Nxc4+ Be6 21. Bf4 Kf7 22. Ne5+ Kf6 23. Nf3 Rac8 24. Be5+ Kg6 25. Bxg7 Bb3 26. Rb1 Bc2 27. Rbc1 Rxg7 28. Rxc2 h6 29. Re6+ Kf7 30. Rxh6 Rd8 31. Rd2 Rxd2 32. Nxd2 c5 33. h3 b5 34. Rc6 c4 35. Rc7+ Kg6 36. Rxg7+ Kxg7 37. g4 a5 38. Ne4 b4 39. cxb4 axb4 40. axb4 Kf7 41. b5 Ke6 42. b6 Kd7 43. g5 1-0

[Event "BRA-ch U12"]
[Site "Brasilia"]
[Date "2017.04.23"]
[Round "6.4"]
[White "Sakiyama, Enzo Tetsuo"]
[Black "Mendes Domingues, Ribeiro Matheus"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1384"]
[BlackElo "1700"]
[PlyCount "135"]
[EventDate "2017.04.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. h3 Be7 5. Nc3 Nf6 6. d3 h6 7. 0-0 0-0 8. d4 exd4 9. Nxd4 Nxd4 10. Qxd4 Be6 11. Bxe6 fxe6 12. Rd1 Nd7 13. Rd3 Bf6 14. Qc4 Re8 15. Rg3 Bh4 16. Re3 Bf6 17. Rg3 Be5 18. f4 Bf6 19. Be3 a6 20. Bd4 Bxd4+ 21. Qxd4 Qf6 22. e5 Qe7 23. exd6 cxd6 24. Re1 Nf6 25. f5 e5 26. Qe3 Kh7 27. Ne4 Rf8 28. Rf1 Rad8 29. c4 d5 30. cxd5 Rxd5 31. Rff3 Rd4 32. Nxf6+ Rxf6 33. Qc3 Qd7 34. Rd3 Rxf5 35. Rxd4 Qxd4+ 36. Qxd4 exd4 37. Rf3 Rf7 38. Rd3 Rd7 39. Kf2 Kg6 40. Kf3 Kf5 41. g4+ Ke5 42. h4 g5 43. hxg5 hxg5 44. b3 Rc7 45. a3 b5 46. b4 Rh7 47. Rd2 Rh3+ 48. Ke2 Rh2+ 49. Kd3 Rxd2+ 50. Kxd2 Ke4 51. Kc2 Ke3 52. Kb3 d3 53. Kc3 d2 54. Kc2 Ke2 55. Kc3 d1Q 56. a4 bxa4 57. b5 Ke3 58. Kb4 Qb3+ 59. Kc5 Qxb5+ 60. Kd6 Kd4 61. Ke6 Qe5+ 62. Kf7 a3 63. Kg6 a2 64. Kf7 a1Q 65. Kg6 Qb1+ 66. Kf7 Qb7+ 67. Kg6 Qbg7+ 68. Kh5 0-1

[Event "BRA-ch U12"]
[Site "Brasilia"]
[Date "2017.04.22"]
[Round "3.13"]
[White "Sakiyama, Enzo Tetsuo"]
[Black "De Melo, Samuel Duarte"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1384"]
[PlyCount "85"]
[EventDate "2017.04.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 g6 4. d3 Nf6 5. Ng5 d5 6. exd5 Na5 7. Bb5+ Bd7 8. Bxd7+ Qxd7 9. Ne4 Nxd5 10. c4 f5 11. cxd5 fxe4 12. dxe4 0-0-0 13. 0-0 c6 14. Nc3 Bb4 15. dxc6 Nxc6 16. Bg5 Be7 17. Bxe7 Qxe7 18. Qg4+ Qd7 19. Qxd7+ Rxd7 20. Rad1 Rd4 21. Rfe1 Rhd8 22. Rc1 Nb4 23. Nb5+ Kb8 24. Nxd4 Nd3 25. Red1 Nxc1 26. Nc6+ bxc6 27. Rxd8+ Kc7 28. Rh8 Nxa2 29. Rxh7+ Kb6 30. Rg7 Nb4 31. h4 Nd3 32. Rxg6 a5 33. h5 a4 34. h6 Nxb2 35. h7 Kb5 36. h8Q a3 37. Qxe5+ Kb4 38. Qb8+ Kc3 39. Rg3+ Nd3 40. Qd6 a2 41. Qxd3+ Kb2 42. Qa3+ Ka1 43. Qc1# 1-0

[Event "BRA-ch U12"]
[Site "Brasilia"]
[Date "2017.04.22"]
[Round "4.9"]
[White "Sakiyama, Enzo Tetsuo"]
[Black "Machado, Wesley Henrique"]
[Result "1-0"]
[ECO "C53"]
[WhiteElo "1384"]
[BlackElo "1787"]
[PlyCount "123"]
[EventDate "2017.04.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 a6 5. d4 exd4 6. cxd4 Ba7 7. 0-0 h6 8. Nc3 d6 9. Qb3 Qe7 10. d5 Na5 11. Qa4+ b5 12. Qxa5 bxc4 13. Qa4+ Qd7 14. Qxc4 Nf6 15. e5 dxe5 16. Nxe5 Qd6 17. Ne4 Qxe5 18. Qc6+ Nd7 19. Qxa8 Bb8 20. Re1 0-0 21. Re3 Qd4 22. g3 Re8 23. Nf6+ Nxf6 24. Rxe8+ Nxe8 25. Qxb8 Nd6 26. Bf4 Kh7 27. Bxd6 Bh3 28. Qb4 Qxd5 29. f3 cxd6 30. Qe4+ Qf5 31. Qxf5+ Bxf5 32. Rd1 Be6 33. Rxd6 Bxa2 34. Rxa6 Bb3 35. Ra3 Bd5 36. b4 Kg6 37. b5 Kf6 38. b6 Ke7 39. b7 Bxb7 40. Ra7 Kf6 41. Rxb7 g5 42. Rb6+ Kg7 43. Kg2 Kh7 44. Kh3 Kg7 45. Kg4 Kh7 46. Kh5 Kg7 47. Rxh6 f6 48. f4 g4 49. Rg6+ Kf7 50. Rxg4 Ke7 51. Kg6 Ke6 52. h4 f5 53. Rg5 Kd5 54. Rxf5+ Ke4 55. h5 Kf3 56. h6 Kxg3 57. Rg5+ Kxf4 58. h7 Kf3 59. h8Q Kf4 60. Qh4+ Kf3 61. Rg3+ Kf2 62. Qh2+ 1-0

[Event "BRA-ch U12"]
[Site "Brasilia"]
[Date "2017.04.22"]
[Round "5.6"]
[White "Silva, Lucas Teixeira"]
[Black "Sakiyama, Enzo Tetsuo"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1773"]
[BlackElo "1384"]
[PlyCount "104"]
[EventDate "2017.04.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nf3 Nxd5 4. d4 g6 5. Bc4 Bg7 6. c3 0-0 7. 0-0 Bf5 8. Nbd2 e6 9. Nb3 Nc6 10. Bd2 Nb6 11. Be2 e5 12. dxe5 Nxe5 13. Qc1 Bg4 14. Nxe5 Bxe2 15. Re1 Bxe5 16. Rxe2 Re8 17. Bh6 Bxh2+ 18. Kf1 Rxe2 19. Kxe2 Qe7+ 20. Kf1 Re8 21. Qd2 Nc4 22. Qe1 Qxe1+ 23. Rxe1 Rxe1+ 24. Kxe1 Be5 25. Bc1 f5 26. Kd1 Kf7 27. Ke2 b6 28. Kd3 Nd6 29. Be3 c5 30. Nd2 f4 31. Nf3 c4+ 32. Ke2 fxe3 33. Nxe5+ Ke6 34. Nc6 a5 35. Kxe3 Nf5+ 36. Ke4 a4 37. Nd4+ Nxd4 38. Kxd4 Kf5 39. Kxc4 h5 40. Kd3 Kf4 41. b3 axb3 42. axb3 h4 43. Ke2 g5 44. c4 g4 45. Kf1 h3 46. gxh3 gxh3 47. b4 Kf3 48. c5 h2 49. Ke1 h1Q+ 50. Kd2 bxc5 51. bxc5 Qh5 52. c6 Qd5+ 0-1

[Event "BRA-ch U12"]
[Site "Brasilia"]
[Date "2017.04.21"]
[Round "2.2"]
[White "Silva, Kaua Marques"]
[Black "Sakiyama, Enzo Tetsuo"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1587"]
[BlackElo "1384"]
[PlyCount "145"]
[EventDate "2017.04.21"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nf3 g6 6. Be2 Bg7 7. Be3 0-0 8. h3 Nc6 9. 0-0 e5 10. d5 Ne7 11. Nc3 Bf5 12. Qd2 Qd7 13. Bh6 Rad8 14. Rad1 Rfe8 15. Bxg7 Kxg7 16. Nxe5 Qd6 17. Qd4 Kf8 18. c5 Qf6 19. Nd7+ Nxd7 20. Qb4 b6 21. c6 Nc5 22. Qf4 Qd6 23. Qh6+ Kg8 24. Nb5 Qe5 25. Bf3 Bd3 26. Rfe1 Qxb2 27. Nxc7 Qf6 28. Nxe8 Rxe8 29. Qe3 Bb5 30. d6 Qe6 31. Qxe6 Nxe6 32. dxe7 Rxe7 33. Rc1 Rc7 34. Red1 a5 35. Rb1 Bxc6 36. Rxb6 Bxf3 37. gxf3 Rc2 38. Ra1 Kg7 39. Ra6 Rc5 40. Rb1 Kf6 41. Kh2 h5 42. Rb2 Kg5 43. Ra7 f5 44. Rab7 Nd4 45. Kg2 Kf4 46. Rg7 g5 47. Rh7 h4 48. Rd7 Ne6 49. Re2 Rc6 50. Rd5 g4 51. hxg4 fxg4 52. fxg4 Ng5 53. Rd4+ Ne4 54. Rdxe4+ Kg5 55. Re5+ Kf6 56. g5+ Kf7 57. Re7+ Kf8 58. Rh7 Rg6 59. Rb2 Kg8 60. Ra7 Rxg5+ 61. Kh3 Kh8 62. Rb8+ Rg8 63. Rxg8+ Kxg8 64. Kxh4 Kf8 65. Kg5 Ke8 66. Kf6 Kd8 67. Ke6 a4 68. f3 Kc8 69. Kd6 a3 70. Rh7 Kb8 71. Kc6 Ka8 72. Kb6 Kb8 73. Rh8# 1-0

[Event "Sao Paulo op-C U1700 6th"]
[Site "Sao Paulo"]
[Date "2017.04.16"]
[Round "5"]
[White "Mariano, Matheus Roberto"]
[Black "Sakiyama, Enzo Tetsuo"]
[Result "1-0"]
[ECO "B01"]
[BlackElo "1384"]
[PlyCount "137"]
[EventDate "2017.04.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Bc4 Nxd5 4. Bxd5 Qxd5 5. Nc3 Qxg2 6. Qf3 Qxf3 7. Nxf3 Bf5 8. d3 Nc6 9. Bf4 0-0-0 10. Rg1 e6 11. a3 h6 12. Be5 f6 13. Bf4 g5 14. Bg3 Bg4 15. Bxc7 Kxc7 16. Rxg4 Bc5 17. Rg2 Rhe8 18. 0-0-0 Kb8 19. Re1 Nd4 20. Nxd4 Bxd4 21. Kd2 e5 22. f3 Rc8 23. Na4 Rc6 24. c3 Bb6 25. Nxb6 Rxb6 26. Kc2 Rd8 27. Rd1 Rbd6 28. Rgd2 Kc7 29. d4 Kc6 30. dxe5 Rxd2+ 31. Rxd2 Rxd2+ 32. Kxd2 fxe5 33. Kd3 Kd5 34. b3 h5 35. c4+ Ke6 36. Ke4 Kf6 37. h3 Ke6 38. b4 a6 39. c5 Kf6 40. a4 Ke6 41. b5 a5 42. c6 bxc6 43. bxc6 Kd6 44. c7 Kxc7 45. Kxe5 Kc6 46. Kf5 Kc5 47. Kxg5 Kb4 48. f4 Kxa4 49. f5 Kb3 50. f6 a4 51. f7 a3 52. f8Q a2 53. Qf1 Kb2 54. Qe2+ Kb1 55. Qxa2+ Kxa2 56. Kxh5 Kb2 57. Kg6 Kc3 58. h4 Kd4 59. h5 Ke5 60. h6 Ke6 61. h7 Kd5 62. h8Q Kc4 63. Qe5 Kb4 64. Kf5 Kc4 65. Ke4 Kb4 66. Qd5 Kc3 67. Qd4+ Kb3 68. Kd3 Ka3 69. Qb6 1-0

[Event "Sao Paulo op-C U1700 6th"]
[Site "Sao Paulo"]
[Date "2017.04.15"]
[Round "3"]
[White "Sakiyama, Enzo Tetsuo"]
[Black "Francelli, Derli"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1384"]
[BlackElo "1651"]
[PlyCount "98"]
[EventDate "2017.04.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. Be3 Qb6 6. b3 cxd4 7. Bxd4 Nxd4 8. Nxd4 Bc5 9. c3 Ne7 10. Bd3 Nc6 11. Bb5 0-0 12. Bxc6 bxc6 13. b4 Be7 14. 0-0 c5 15. bxc5 Bxc5 16. a4 Ba6 17. Re1 Qb2 18. Nc2 Rac8 19. Qc1 Qb6 20. Qf4 Qb2 21. Qc1 Qxc1 22. Rxc1 Bd3 23. Nba3 Rb8 24. Rd1 Bxc2 25. Nxc2 Rb2 26. Nd4 Rfb8 27. g3 h6 28. Kg2 Kh7 29. Rf1 Rd2 30. Rfd1 Rbb2 31. Rxd2 Rxd2 32. Rb1 Bxd4 33. cxd4 Rxd4 34. Rb7 Rxa4 35. Rxf7 Kg6 36. Re7 Ra6 37. g4 h5 38. Kg3 hxg4 39. Kxg4 Ra4+ 40. f4 Ra6 41. h4 Kh6 42. Re8 Kh7 43. f5 Ra4+ 44. Kg5 exf5 45. Kxf5 Rxh4 46. e6 Re4 47. Rd8 g6+ 48. Kf6 Rf4+ 49. Ke5 Rf5+ 1/2-1/2

[Event "Sao Paulo op-C U1700 6th"]
[Site "Sao Paulo"]
[Date "2017.04.14"]
[Round "2"]
[White "Cabete, Vinicius Moraes"]
[Black "Sakiyama, Enzo Tetsuo"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1384"]
[PlyCount "98"]
[EventDate "2017.04.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nc6 3. Nf3 Bf5 4. e3 Nb4 5. Bd3 Nxd3+ 6. cxd3 Nf6 7. 0-0 e6 8. Re1 Be7 9. e4 dxe4 10. dxe4 Bg4 11. h3 Bh5 12. Re3 0-0 13. e5 Nd5 14. Nxd5 Qxd5 15. b3 Bg5 16. Rc3 Bxc1 17. Raxc1 c6 18. Qc2 Bxf3 19. Rxf3 Qxd4 20. Rd1 Qxe5 21. Rg3 Rad8 22. Rxd8 Rxd8 23. Re3 Qa5 24. Rd3 Rxd3 25. Qxd3 g6 26. a4 Qe1+ 27. Kh2 Qxf2 28. Qd7 Qb6 29. Qe8+ Kg7 30. Qd7 Qxb3 31. Qd4+ Kg8 32. Qd8+ Kg7 33. Qd4+ Kh6 34. Qh4+ Kg7 35. Qd4+ f6 36. Qd7+ Kh6 37. Qd2+ g5 38. h4 Qxa4 39. hxg5+ fxg5 40. Qd8 Qf4+ 41. g3 Qf2+ 42. Kh3 Qf1+ 43. Kh2 b5 44. Qd6 Qf5 45. g4 Qf4+ 46. Qxf4 gxf4 47. Kg2 b4 48. g5+ Kxg5 49. Kf2 b3 0-1

[Event "Sao Paulo op-C U1700 6th"]
[Site "Sao Paulo"]
[Date "2017.04.14"]
[Round "1"]
[White "Sakiyama, Enzo Tetsuo"]
[Black "Simi, Luiz Guilherme Silv"]
[Result "0-1"]
[ECO "C57"]
[WhiteElo "1384"]
[BlackElo "1639"]
[PlyCount "26"]
[EventDate "2017.04.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Nxf7 Bxf2+ 6. Kxf2 Nxe4+ 7. Ke1 Qh4+ 8. g3 Nxg3 9. hxg3 Qxh1+ 10. Ke2 Nd4+ 11. Kf2 Qxd1 12. Nc3 Qf3+ 13. Ke1 Nxc2# 0-1

[Event "Sao Paulo-C U1700 op 5th"]
[Site "Sao Paulo"]
[Date "2016.10.16"]
[Round "6.32"]
[White "Farias, Vitor Furtado"]
[Black "Sakiyama, Enzo Tetsuo"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1665"]
[BlackElo "1741"]
[PlyCount "125"]
[EventDate "2016.10.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nc6 3. e3 Nf6 4. Nf3 Bf5 5. a3 e6 6. Bb5 Bd6 7. Bxd6 Qxd6 8. c4 dxc4 9. Nbd2 a6 10. Nxc4 Qd7 11. Nfe5 Qd5 12. Bxc6+ bxc6 13. 0-0 0-0 14. Qa4 c5 15. Rfd1 cxd4 16. Rxd4 Qb5 17. Qd1 c5 18. a4 Qb8 19. Rd6 Rd8 20. Nd7 Nxd7 21. Rxd7 Rxd7 22. Qxd7 Qd8 23. Rd1 Qxd7 24. Rxd7 e5 25. Rc7 Rd8 26. h3 Rd1+ 27. Kh2 f6 28. Rc6 Rc1 29. Nd6 Bd7 30. Rxa6 h6 31. Ra8+ Kh7 32. Ra7 Be6 33. Ne8 Ra1 34. Nxg7 Bc4 35. Ne6+ Kg6 36. Nxc5 Rb1 37. b3 Bd5 38. a5 Rc1 39. b4 Rc2 40. Kg3 Rc4 41. Rd7 Bc6 42. Rd6 Ba8 43. Nd7 Rc6 44. Rxc6 Bxc6 45. Nc5 Kf7 46. a6 Ba8 47. b5 Ke7 48. b6 Kd6 49. b7 Bxb7 50. axb7 Kc7 51. Kh4 Kc6 52. b8Q Kxc5 53. Qd8 Kc4 54. Qd6 e4 55. Kh5 f5 56. Kxh6 Kc3 57. Qe5+ Kc2 58. Qd4 Kc1 59. Kg5 Kc2 60. Kxf5 Kc1 61. Kxe4 Kc2 62. h4 Kb3 63. h5 1-0

[Event "Sao Paulo-C U1700 op 5th"]
[Site "Sao Paulo"]
[Date "2016.10.16"]
[Round "5.23"]
[White "Sakiyama, Enzo Tetsuo"]
[Black "Lima, Vinicius Taishun"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1741"]
[BlackElo "1548"]
[PlyCount "87"]
[EventDate "2016.10.13"]
[EventType "swiss"]
[EventRounds "6"]
[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 dxc3 4. Nxc3 d6 5. Nf3 e6 6. Bc4 a6 7. 0-0 b5 8. Bb3 Ra7 9. Bf4 Rd7 10. Re1 Nf6 11. Qe2 Bb7 12. Rad1 b4 13. Nb1 Bxe4 14. Bg5 Bxf3 15. Qxf3 Rc7 16. Rc1 Be7 17. Ba4+ Nbd7 18. Bxd7+ Rxd7 19. Re2 0-0 20. Rec2 Qa8 21. Qxa8 Rxa8 22. Nd2 h6 23. Be3 Nd5 24. Rc8+ Rxc8 25. Rxc8+ Rd8 26. Rc4 Nxe3 27. fxe3 d5 28. Rc6 Rd6 29. Rc7 Bg5 30. Kf2 d4 31. Nf1 dxe3+ 32. Nxe3 Rd2+ 33. Kf3 Rd3 34. Rc8+ Kh7 35. Ra8 Rxe3+ 36. Kf2 Rd3 37. Kg1 Rd1+ 38. Kf2 Rd2+ 39. Kf3 Rxb2 40. Rxa6 Kg6 41. g4 Rxh2 42. Ke4 Rf2 43. Ke5 Rf4 44. Ra3 0-1

[Event "Sao Paulo-C U1700 op 5th"]
[Site "Sao Paulo"]
[Date "2016.10.15"]
[Round "4.34"]
[White "Ferreira, Renato Luis Bueloni"]
[Black "Sakiyama, Enzo Tetsuo"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1376"]
[BlackElo "1741"]
[PlyCount "102"]
[EventDate "2016.10.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Nxd5 Qxd5 5. Nf3 Nc6 6. c3 Bf5 7. a4 0-0-0 8. Be2 e5 9. 0-0 Bc5 10. b4 Be7 11. a5 Qe6 12. b5 Nb8 13. d4 f6 14. Be3 g5 15. b6 cxb6 16. axb6 Qxb6 17. Bd3 e4 18. Be2 exf3 19. Bxf3 a6 20. Bg4 Qe6 21. Qf3 Bxg4 22. Qg3 Bd6 23. f4 h5 24. Qf2 h4 25. h3 Bf5 26. Rac1 g4 27. c4 gxh3 28. gxh3 Rhg8+ 29. Kh2 Bxh3 30. Rg1 Nd7 31. c5 Bc7 32. Rb1 Bf5 33. Rb2 Rxg1 34. Qxg1 Re8 35. Qg2 Be4 36. Qh3 Qxh3+ 37. Kxh3 Bd3 38. Kxh4 Rxe3 39. Kg4 Re4 40. Kf3 Rxd4 41. Rg2 Be4+ 42. Kf2 Bxg2 43. Kxg2 Rd3 44. f5 a5 45. Kf2 a4 46. Ke2 Rh3 47. c6 bxc6 48. Kd2 a3 49. Kc2 Be5 50. Kb1 Rh2 51. Kc1 a2 0-1

[Event "Sao Paulo-C U1700 op 5th"]
[Site "Sao Paulo"]
[Date "2016.10.15"]
[Round "3.27"]
[White "Sakiyama, Enzo Tetsuo"]
[Black "Caribe Santos, Luiz Carlos"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1741"]
[BlackElo "1534"]
[PlyCount "74"]
[EventDate "2016.10.13"]
[EventType "swiss"]
[EventRounds "6"]
[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 dxc3 4. Nxc3 e6 5. Nf3 a6 6. Bc4 b5 7. Bb3 Bb7 8. Qd3 d6 9. 0-0 Nc6 10. Re1 e5 11. Ng5 Nh6 12. Qd5 Qd7 13. f4 Nd4 14. Qxb7 Qxb7 15. Bd5 Nc6 16. fxe5 dxe5 17. Nf3 f6 18. Bxh6 gxh6 19. Rad1 Rd8 20. Re2 Bc5+ 21. Kh1 Qb6 22. Red2 Nd4 23. Nxd4 Bxd4 24. Ne2 Rd6 25. Nxd4 exd4 26. Rxd4 Ke7 27. e5 fxe5 28. Re4 Rhd8 29. Rxe5+ Kf6 30. Rh5 Kg6 31. Re5 Rxd5 32. Rexd5 Rxd5 33. Rxd5 Qe6 34. Rd1 Qe2 35. Rd6+ Kf5 36. h3 Qe1+ 37. Kh2 Qe5+ 0-1

[Event "Sao Paulo-C U1700 op 5th"]
[Site "Sao Paulo"]
[Date "2016.10.14"]
[Round "2.40"]
[White "Pereira, Pedro Edruir De Car"]
[Black "Sakiyama, Enzo Tetsuo"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1317"]
[BlackElo "1741"]
[PlyCount "63"]
[EventDate "2016.10.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Nxd5 Qxd5 5. Nf3 Nc6 6. Be2 e5 7. c4 Qd8 8. 0-0 Bc5 9. d3 0-0 10. Be3 Bxe3 11. fxe3 Re8 12. e4 Nd4 13. b4 f5 14. Nxd4 Qxd4+ 15. Kh1 fxe4 16. dxe4 Qxe4 17. Bd3 Qg4 18. Be2 Qg5 19. Rf3 Bg4 20. Qd5+ Kh8 21. Rg3 c6 22. Qf7 Re7 23. Rxg4 Qxg4 24. Qxe7 Qxe2 25. Qxb7 Rf8 26. Qxa7 Rf1+ 27. Rxf1 Qxf1+ 28. Qg1 Qxc4 29. Qb1 e4 30. Kg1 e3 31. a4 e2 32. Qe1 0-1

[Event "Sao Paulo-C U1700 op 5th"]
[Site "Sao Paulo"]
[Date "2016.10.13"]
[Round "1.21"]
[White "Sakiyama, Enzo Tetsuo"]
[Black "Cerqueira, Janderson Laurenco"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1741"]
[BlackElo "1615"]
[PlyCount "134"]
[EventDate "2016.10.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qc7 6. c4 cxd4 7. Nxd4 Qxe5+ 8. Be3 Bb4+ 9. Nc3 Nf6 10. Nxc6 bxc6 11. Qd4 Qxd4 12. Bxd4 Be7 13. Bd3 c5 14. Be5 Bb7 15. 0-0 0-0 16. a3 a6 17. Rab1 d4 18. Ne2 Ne4 19. Rbd1 f6 20. Bf4 e5 21. Bd2 Nd6 22. b4 e4 23. Bb1 Nf7 24. Ng3 d3 25. Rfe1 cxb4 26. axb4 Nd6 27. Bxd3 exd3 28. Rxe7 Bc6 29. c5 Nf7 30. Bc3 Bb5 31. Rde1 Rae8 32. R7e3 Rxe3 33. Rxe3 Re8 34. Nf5 Rxe3 35. Nxe3 Ne5 36. f4 Nc4 37. Nxc4 Bxc4 38. Kf2 Kf7 39. Ke3 Ke6 40. Ke4 Bd5+ 41. Kxd3 Bxg2 42. Kc4 Bc6 43. Kd4 g5 44. fxg5 fxg5 45. Ke3 Kf5 46. Be1 h5 47. h3 h4 48. Kf2 g4 49. Kg1 g3 50. Kf1 Kf4 51. Bd2+ Kf5 52. Ke2 Bg2 53. Kd3 Bxh3 54. c6 Ke6 55. Kc4 Kd6 56. b5 axb5+ 57. Kxb5 g2 58. Be3 Kd5 59. c7 Bc8 60. Kb6 h3 61. Bg1 Ke4 62. Kc5 Kd3 63. Kd5 Ke2 64. Ke4 Kf1 65. Bh2 g1Q 66. Bxg1 Kxg1 67. Kf3 h2 0-1

[Event "Sao Paulo Karman Cup 9th"]
[Site "Sao Paulo"]
[Date "2016.08.07"]
[Round "6"]
[White "Sakiyama, Enzo Tetsuo"]
[Black "Da Rocha, Luiz C Cosenza Vie"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1786"]
[BlackElo "1418"]
[PlyCount "78"]
[EventDate "2016.08.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 Nf6 5. Nc3 Bg4 6. Nf3 e6 7. h3 Bxf3 8. gxf3 Nh5 9. Bc4 Qh4+ 10. Kd2 Qf2+ 11. Kd3 Qg3 12. Rg1 Qd6 13. e5 Qd8 14. Bg5 Be7 15. Bxe7 Qxe7 16. Rg4 g6 17. Qd2 Nd7 18. Ne2 0-0-0 19. Ng3 Nxe5+ 20. Ke2 Nxg3+ 21. Rxg3 Nxc4 22. Qc3 Qd6 23. Rg4 Qh2+ 24. Kf1 Nd2+ 25. Ke1 Qh1+ 26. Kxd2 Qxa1 27. a3 Qh1 28. f4 Qd5 29. Ke3 f5 30. Rh4 Qe4+ 31. Kf2 Qxd4+ 32. Kg3 Qxc3+ 33. bxc3 h6 34. a4 Rd2 35. Kf3 h5 36. Ke3 Rhd8 37. a5 a6 38. Kf3 Rxc2 39. Kg3 Rd3# 0-1

[Event "Sao Paulo Karman Cup 9th"]
[Site "Sao Paulo"]
[Date "2016.08.06"]
[Round "3"]
[White "Sakiyama, Enzo Tetsuo"]
[Black "Gabriel, Claudiomar"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1786"]
[BlackElo "1530"]
[PlyCount "64"]
[EventDate "2016.08.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 cxd4 5. Nxd4 Bc5 6. Nc3 Nc6 7. Be3 Bb6 8. Nxc6 bxc6 9. Qg4 Kf8 10. 0-0-0 Bxe3+ 11. fxe3 f5 12. Qg3 a5 13. e4 Qe7 14. exf5 exf5 15. Bd3 g6 16. h4 Nh6 17. h5 g5 18. Qe3 Kg7 19. Rhe1 Be6 20. g3 Nf7 21. Rf1 Nh6 22. Na4 Rhf8 23. Nc5 Rab8 24. Nxe6+ Qxe6 25. Qxg5+ Kh8 26. c3 c5 27. Rf2 Rb7 28. Qh4 Qxe5 29. Re1 Qxe1+ 30. Kc2 Qxf2+ 31. Kd1 Rxb2 32. Qg5 Qg1+ 0-1

[Event "Sao Paulo Karman Cup 9th"]
[Site "Sao Paulo"]
[Date "2016.08.06"]
[Round "4"]
[White "Sato, Luiz Henrique Yuzo"]
[Black "Sakiyama, Enzo Tetsuo"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1415"]
[BlackElo "1786"]
[PlyCount "51"]
[EventDate "2016.08.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. Bf4 Bf5 4. e3 Nb4 5. Bd3 Nxd3+ 6. cxd3 Nf6 7. Nc3 a6 8. 0-0 e6 9. a3 Bd6 10. Bxd6 cxd6 11. Re1 0-0 12. e4 Bg4 13. h3 Bxf3 14. Qxf3 Qb6 15. exd5 Qxb2 16. Rec1 Qb6 17. dxe6 Qxd4 18. exf7+ Rxf7 19. Rab1 Rb8 20. Rb4 Qc5 21. Rc4 Qxa3 22. Nb1 Qa5 23. Rc8+ Ne8 24. Qe4 Rxc8 25. Rxc8 Qa2 26. Qxe8+ 1-0

[Event "Sao Paulo Karman Cup 9th"]
[Site "Sao Paulo"]
[Date "2016.08.05"]
[Round "2"]
[White "Yoshioka, Andre"]
[Black "Sakiyama, Enzo Tetsuo"]
[Result "1-0"]
[ECO "D70"]
[WhiteElo "1877"]
[BlackElo "1786"]
[PlyCount "57"]
[EventDate "2016.08.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 174 Extra"]
[Source "ChessBase"]
[SourceDate "2016.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. cxd5 Nxd5 4. e4 Nb6 5. Nf3 g6 6. Be2 Bg7 7. 0-0 Bg4 8. Be3 Bxf3 9. Bxf3 Nc4 10. Qa4+ Nc6 11. Qxc4 Nxd4 12. Bxd4 Bxd4 13. Nc3 Bg7 14. Qb5+ c6 15. Qxb7 0-0 16. Qxc6 Rc8 17. Qd5 e6 18. Qxd8 Rfxd8 19. Rfd1 Re8 20. Rac1 f5 21. exf5 exf5 22. g3 g5 23. Rd7 a6 24. Bb7 Rb8 25. Kf1 a5 26. Re1 Rf8 27. Ree7 Bf6 28. Bd5+ Kh8 29. Rxh7# 1-0

[Event "BRA-ch Amateur U1800"]
[Site "Sao Paulo"]
[Date "2016.05.29"]
[Round "7"]
[White "Sakiyama, Enzo Tetsuo"]
[Black "Rivero, Pedro Munhoz De Sou"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "133"]
[EventDate "2016.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 h6 4. 0-0 Nf6 5. Nc3 Bc5 6. d3 d6 7. h3 Qe7 8. Qe1 a6 9. Nd5 Nxd5 10. exd5 Nd4 11. Nxd4 Bxd4 12. c3 Bc5 13. d4 exd4 14. Qxe7+ Kxe7 15. Re1+ Kd8 16. Bd2 Re8 17. b4 Bb6 18. Rxe8+ Kxe8 19. Re1+ Kf8 20. Re4 dxc3 21. Bxc3 Bf5 22. Rf4 g6 23. g4 Bc2 24. h4 Ke7 25. Bf6+ Kd7 26. Bg7 f5 27. Bxh6 Rh8 28. g5 Re8 29. Kf1 Re4 30. Rxe4 fxe4 31. h5 gxh5 32. g6 Ke7 33. Be2 h4 34. Bh5 Bd3+ 35. Kg2 Bc4 36. f3 e3 37. Bg5+ Kd7 38. f4 Bxd5+ 39. Kf1 h3 40. Bg4+ Kc6 41. Bxh3 Bc4+ 42. Ke1 a5 43. a3 axb4 44. axb4 Bd4 45. Bh4 Bc3+ 46. Kd1 e2+ 47. Kc2 Bf6 48. Be1 d5 49. Bg2 Kb5 50. Bf3 d4 51. Kd2 Kxb4 52. Bxe2 Bxe2 53. Kxe2+ Kc4 54. Bh4 Bxh4 55. g7 d3+ 56. Kd1 b5 57. g8Q+ Kc3 58. Qh8+ Kb3 59. Qxh4 c5 60. Qe1 c4 61. Kd2 b4 62. f5 c3+ 63. Kxd3 Kb2 64. Qe2+ Ka3 65. f6 b3 66. Kxc3 Ka4 67. Qa6# 1-0

[Event "BRA-ch Amateur U1800"]
[Site "Sao Paulo"]
[Date "2016.05.28"]
[Round "6"]
[White "Fujita, Daniela Miwa"]
[Black "Sakiyama, Enzo Tetsuo"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1446"]
[PlyCount "81"]
[EventDate "2016.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nc6 3. Bg2 e5 4. d3 Nf6 5. 0-0 Bc5 6. Nbd2 0-0 7. e4 d4 8. Nc4 Re8 9. h3 b5 10. Ncd2 b4 11. Nc4 Bd7 12. Nh4 h6 13. Kh2 Qc8 14. Nf3 Rb8 15. Ng1 a5 16. b3 Ra8 17. f4 a4 18. Nf3 axb3 19. cxb3 exf4 20. Bxf4 Be6 21. Qc2 g5 22. Bd2 Bd6 23. Nxd6 cxd6 24. Nxg5 hxg5 25. Rxf6 Kg7 26. Raf1 g4 27. h4 Ne5 28. Qb1 Qc5 29. R1f2 Qb5 30. Bf1 d5 31. Bf4 Ng6 32. Qb2 Qb6 33. Bg2 Rad8 34. Rc2 Rh8 35. Bc7 Qa6 36. Qxd4 Kh6 37. Bxd8 Rxd8 38. exd5 Bc8 39. Rxf7 Qxa2 40. Qg7+ Kh5 41. Qh7# 1-0

[Event "BRA-ch Amateur U1800"]
[Site "Sao Paulo"]
[Date "2016.05.28"]
[Round "5"]
[White "Sakiyama, Enzo Tetsuo"]
[Black "Ribeiro, Julia Pinheiro"]
[Result "1-0"]
[ECO "B02"]
[PlyCount "57"]
[EventDate "2016.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 Bg4 4. Nf3 Nfd7 5. Be2 Nc6 6. d4 f6 7. Nxd5 fxe5 8. dxe5 Ndxe5 9. Nxe5 Nxe5 10. Bxg4 c6 11. Ne3 Qa5+ 12. Bd2 Qa4 13. 0-0 h5 14. Bxh5+ g6 15. b3 Qh4 16. Bxg6+ Nxg6 17. h3 e5 18. Bc3 Bc5 19. Qg4 Qf6 20. b4 Bd6 21. Qf5 Qh4 22. Qxg6+ Kf8 23. Qxd6+ Ke8 24. Qxe5+ Qe7 25. Qxh8+ Qf8 26. Qh5+ Kd8 27. Rad1+ Kc7 28. Qe5+ Kb6 29. Qa5# 1-0

[Event "BRA-ch Amateur U1800"]
[Site "Sao Paulo"]
[Date "2016.05.27"]
[Round "4"]
[White "Felix, Luiza de Oliveira"]
[Black "Sakiyama, Enzo Tetsuo"]
[Result "1-0"]
[ECO "C26"]
[WhiteElo "1575"]
[PlyCount "97"]
[EventDate "2016.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 Nf6 5. d3 Ng4 6. Qxg4 0-0 7. Bh6 g6 8. Bxf8 Kxf8 9. Nf3 d5 10. Qg5 f6 11. Qh6+ Kg8 12. h4 Bf8 13. Qd2 d4 14. Nd5 Be6 15. 0-0-0 f5 16. h5 fxe4 17. dxe4 Bxd5 18. exd5 Qxd5 19. hxg6 hxg6 20. Qg5 Qf7 21. Nh4 Be7 22. Qxg6+ Qxg6 23. Nxg6 Bf6 24. Rh5 Kg7 25. Bxc6 Kxg6 26. Bf3 e4 27. Bg4 Rh8 28. Rxh8 Bxh8 29. Rh1 Bf6 30. Re1 e3 31. fxe3 dxe3 32. Rxe3 Bg5 33. Kd2 Bxe3+ 34. Kxe3 Kg5 35. Bc8 b6 36. g4 c5 37. Ke4 a5 38. Kd5 a4 39. Kc6 c4 40. Kxb6 c3 41. bxc3 a3 42. c4 Kf6 43. c5 Ke7 44. c6 Kd6 45. Bf5 Kd5 46. c7 Kc4 47. c8Q+ Kb4 48. Qc5+ Ka4 49. Bd7# 1-0

[Event "BRA-ch Amateur U1800"]
[Site "Sao Paulo"]
[Date "2016.05.27"]
[Round "3"]
[White "Hayashi, Pedro Lucca Valle"]
[Black "Sakiyama, Enzo Tetsuo"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "70"]
[EventDate "2016.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. Nc3 Bc5 4. Nf3 Nc6 5. d3 0-0 6. Bg5 h6 7. Bh4 Qe8 8. Bxf6 gxf6 9. Qd2 Kg7 10. 0-0-0 Nd4 11. Nxd4 exd4 12. Nd5 Qe5 13. Rde1 c6 14. Nf4 b5 15. Bb3 a5 16. g4 Bb4 17. Qe2 Qxf4+ 18. Kb1 Bxe1 19. Rxe1 a4 20. Bxa4 bxa4 21. f3 d6 22. a3 Re8 23. h4 d5 24. Rg1 Kh7 25. Qg2 Rg8 26. Qe2 Ba6 27. Qe1 Rae8 28. Rf1 dxe4 29. fxe4 Qxg4 30. Rxf6 Re7 31. Qa5 Bb5 32. Qb4 Qd1+ 33. Ka2 Qxc2 34. Qxe7 Qb3+ 35. Ka1 Rg1+ 0-1

[Event "BRA-ch Amateur U1800"]
[Site "Sao Paulo"]
[Date "2016.05.26"]
[Round "2"]
[White "Sakiyama, Enzo Tetsuo"]
[Black "Kojima, Fukashi"]
[Result "0-1"]
[ECO "B08"]
[BlackElo "1702"]
[PlyCount "53"]
[EventDate "2016.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc4 Bg7 5. Nf3 0-0 6. 0-0 c6 7. Bf4 b5 8. Be2 b4 9. Nb1 Nxe4 10. Qd3 Nf6 11. c3 Qb6 12. cxb4 Nd5 13. Bd2 Bf5 14. Qc4 Nd7 15. a3 e5 16. dxe5 dxe5 17. Bd3 Bxd3 18. Qxd3 Rfe8 19. Nc3 N7f6 20. Rfe1 Nxc3 21. Qxc3 Nd5 22. Qb3 Rad8 23. Bc3 Qc7 24. g3 e4 25. Nd4 Re5 26. f4 Ree8 27. Re2 0-1

[Event "BRA-ch Amateur U1800"]
[Site "Sao Paulo"]
[Date "2016.05.26"]
[Round "1"]
[White "Sakiyama, Enzo Tetsuo"]
[Black "Sangiovanni, Marcello Gouveia"]
[Result "0-1"]
[ECO "C02"]
[BlackElo "1692"]
[PlyCount "96"]
[EventDate "2016.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. b3 cxd4 7. cxd4 Bb4+ 8. Bd2 Nxd4 9. Bxb4 Qxb4+ 10. Qd2 Nc2+ 11. Kd1 Qxd2+ 12. Kxd2 Nxa1 13. Bb5+ Bd7 14. Bxd7+ Kxd7 15. b4 Ne7 16. Nc3 Nb3+ 17. axb3 a6 18. Ra1 f6 19. g4 Nc6 20. b5 Nxe5 21. Ke3 Nxg4+ 22. Ke2 Rhc8 23. Na4 Kd6 24. Nb6 Rc2+ 25. Kd3 Rxf2 26. Nxa8 Rxf3+ 27. Ke2 Rf2+ 28. Ke1 axb5 29. h3 Rh2 30. Ra7 Rxh3 31. Rxb7 Rxb3 32. Rxg7 Ne5 33. Rxh7 Nd7 34. Rh8 Ra3 35. Kd2 e5 36. Rh6 Rxa8 37. Kc3 Ra4 38. Kb3 d4 39. Rh4 Nc5+ 40. Kc2 Ra2+ 41. Kb1 Rg2 42. Rh6 Rf2 43. Kc1 e4 44. Kd1 e3 45. Ke1 Kd5 46. Rh5+ f5 47. Rh1 Nd3+ 48. Kd1 Rd2# 0-1

