[Event "JPN-ch"]
[Site "Tokyo"]
[Date "2020.11.01"]
[Round "3"]
[White "Higashino, Tetsuo"]
[Black "Matsumoto, Yoshitaro"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2070"]
[BlackElo "1909"]
[PlyCount "117"]
[EventDate "2020.10.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "JPN"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. Nf3 e6 2. g3 b6 3. Bg2 Bb7 4. c4 c5 5. Nc3 Nf6 6. 0-0 Be7 7. d4 cxd4 8. Qxd4 d6 9. Bg5 a6 10. Bxf6 Bxf6 11. Qf4 0-0 12. Rfd1 Be7 13. Ne4 Bxe4 14. Qxe4 Ra7 15. Rd2 Qc8 16. b3 b5 17. cxb5 axb5 18. Qd3 Qa6 19. Nd4 b4 20. Qxa6 Rxa6 21. Rc1 d5 22. e3 g6 23. Rdc2 Bd6 24. Bf1 Ra8 25. Bb5 Be5 26. f4 Bf6 27. Kg2 Ra5 28. Ba4 Ra7 29. Kf3 Bg7 30. Rc7 Rxc7 31. Rxc7 Na6 32. Rc6 Nb8 33. Rb6 Rc8 34. Rxb4 Na6 35. Rb6 Nc5 36. Bc6 Ne4 37. a4 Bxd4 38. exd4 Nd2+ 39. Ke3 Nxb3 40. Rxb3 Rxc6 41. a5 Ra6 42. Ra3 Kf8 43. Kd3 Ke7 44. Kc3 Kd6 45. Kb4 Kc6 46. Rc3+ Kb7 47. g4 Rd6 48. Rh3 Rc6 49. Rxh7 Ka6 50. Rxf7 Rc4+ 51. Kb3 Kxa5 52. Ra7+ Kb5 53. Re7 Rxd4 54. Rxe6 Rxf4 55. Rxg6 Rf3+ 56. Kc2 Rh3 57. Rg5 Rxh2+ 58. Kd3 Kc5 59. Rg8 1/2-1/2

[Event "JPN-ch"]
[Site "Tokyo"]
[Date "2020.11.01"]
[Round "4"]
[White "Matsumoto, Yoshitaro"]
[Black "Saito, Hiromasa"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1909"]
[BlackElo "1818"]
[PlyCount "74"]
[EventDate "2020.10.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "JPN"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 d5 3. cxd5 cxd5 4. d4 Nf6 5. f3 Nc6 6. e4 dxe4 7. d5 Ne5 8. fxe4 Qb6 9. Nf3 Bg4 10. Qa4+ Bd7 11. Bb5 Nxf3+ 12. gxf3 Rd8 13. Ke2 a6 14. Bxd7+ Nxd7 15. Rd1 Qd6 16. Rh1 g6 17. Qd4 Rg8 18. f4 Qf6 19. Qxf6 Nxf6 20. Be3 b5 21. a3 Bh6 22. Kf3 g5 23. fxg5 Bxg5 24. Rag1 Bxe3 25. Rxg8+ Nxg8 26. Kxe3 Nf6 27. Rg1 h5 28. h3 Kf8 29. Rd1 Nd7 30. Rg1 Nf6 31. Rg5 h4 32. Kd4 Rc8 33. b3 Rxc3 34. e5 Nxd5 35. Kxd5 Rxb3 36. Rg4 Rxh3 37. a4 Rd3+ 0-1

[Event "JPN-ch"]
[Site "Tokyo"]
[Date "2020.10.31"]
[Round "1"]
[White "Averbukh, Alex"]
[Black "Matsumoto, Yoshitaro"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2141"]
[BlackElo "1909"]
[PlyCount "45"]
[EventDate "2020.10.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "JPN"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Bd3 Nf6 4. e5 Nfd7 5. Ne2 c5 6. c3 Nc6 7. a3 Qb6 8. b4 cxd4 9. cxd4 a5 10. bxa5 Nxa5 11. Nd2 Nc4 12. Bxc4 dxc4 13. Nxc4 Qc6 14. Ne3 Bb4+ 15. Bd2 Be7 16. 0-0 0-0 17. Qb3 Qa6 18. Rfe1 Re8 19. Bb4 Bg5 20. Nc4 Nb6 21. Nd6 Rd8 22. Ne4 Bh6 23. g4 1-0

[Event "JPN-ch 52nd"]
[Site "Tokyo"]
[Date "2019.05.04"]
[Round "10"]
[White "Matsumoto, Yoshitaro"]
[Black "Fujii, Chiaki"]
[Result "0-1"]
[ECO "A03"]
[WhiteElo "1744"]
[BlackElo "1873"]
[PlyCount "136"]
[EventDate "2019.04.29"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "JPN"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 g6 3. e3 Bg7 4. Be2 Nh6 5. 0-0 0-0 6. d3 c6 7. c3 Qb6 8. Na3 Nf5 9. Nc2 Nd7 10. Ncd4 Nd6 11. Kh1 Qc7 12. Nb3 c5 13. d4 c4 14. Nbd2 b5 15. Re1 a5 16. Qc2 Nf6 17. Ne5 Bf5 18. Qd1 b4 19. Bf3 e6 20. g4 Be4 21. Nxe4 dxe4 22. Bg2 Nd5 23. g5 bxc3 24. bxc3 Nxc3 25. Qc2 Nd5 26. Bxe4 Nb4 27. Qg2 Nxe4 28. Qxe4 Rfc8 29. a3 Nd5 30. Qg2 Rab8 31. Re2 c3 32. Rc2 Rb3 33. Qe4 Qb7 34. Nd3 Bf8 35. h3 Rb1 36. Raa2 Qb3 37. Kh2 Qc4 38. Kg2 Qb5 39. Kh2 Rb3 40. Ne5 Qa6 41. Kg2 Qb7 42. Kh2 Bd6 43. Qd3 Qb5 44. Qe2 Qxe2+ 45. Rxe2 Bxe5 46. fxe5 a4 47. Rec2 Nb6 48. Kg3 Nc4 49. Kf3 Kf8 50. Ke2 Rd8 51. Kf3 Ke7 52. Ke4 Rd7 53. Kf3 Kd8 54. Ke4 Kc8 55. Kf3 Kb7 56. Ke4 Kb6 57. Ra1 Kb5 58. Raa2 Rc7 59. Kd3 Nb6 60. Ke4 Ka5 61. Ra1 Rc8 62. Kd3 Kb5 63. Raa2 Nc4 64. Ke4 Na5 65. Kd3 Rb1 66. e4 Nb3 67. Be3 Rd1+ 68. Ke2 Rxd4 0-1

[Event "JPN-ch 52nd"]
[Site "Tokyo"]
[Date "2019.05.04"]
[Round "9"]
[White "Shinoda, Taro"]
[Black "Matsumoto, Yoshitaro"]
[Result "0-1"]
[ECO "A96"]
[WhiteElo "1997"]
[BlackElo "1744"]
[PlyCount "222"]
[EventDate "2019.04.29"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "JPN"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 e6 2. g3 f5 3. c4 Nf6 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 d6 7. Nc3 Ne4 8. Nxe4 fxe4 9. Nd2 d5 10. f3 Nc6 11. fxe4 Rxf1+ 12. Kxf1 dxc4 13. e3 e5 14. d5 Na5 15. Qa4 b6 16. Nxc4 Ba6 17. b3 Qe8 18. Qxe8+ Rxe8 19. Kg1 Bxc4 20. bxc4 Nxc4 21. Bf1 Nd6 22. Bd3 Nb7 23. Bd2 Nc5 24. Bc2 a5 25. Bc3 Bd6 26. Rf1 Rd8 27. Rf5 Re8 28. Kf2 g6 29. Rf3 Rf8 30. Rxf8+ Kxf8 31. Kf3 Kg7 32. Bb3 Kf6 33. Bc4 Na4 34. Be1 Ba3 35. Bb5 Nc5 36. Bc3 Bb4 37. Bb2 Nb7 38. a3 Bc5 39. a4 Bb4 40. Bd3 Bd6 41. Bc4 Nd8 42. Bb3 Nf7 43. Bc2 Kg5 44. Bd1 Kf6 45. Bc2 Ke7 46. Bd3 Kd8 47. h4 Ke7 48. Bb5 h5 49. g4 hxg4+ 50. Kxg4 Kf6 51. Be8 Nd8 52. Kf3 Nb7 53. Bc6 Nc5 54. Bb5 Kg7 55. Ba3 Nb3 56. Bxd6 cxd6 57. Kg4 Nc5 58. h5 gxh5+ 59. Kxh5 Kf6 60. Kg4 Nxe4 61. Kf3 Nc3 62. Bc6 Na2 63. Bb5 Nb4 64. Bc4 Kg5 65. e4 Kh5 66. Bb5 Nc2 67. Bd7 Nd4+ 68. Kg3 Nb3 69. Bb5 Nc5 70. Kf3 Kh4 71. Bc6 Nb3 72. Bd7 Nc5 73. Bc6 Kh3 74. Bb5 Kh4 75. Bc6 Nd3 76. Bd7 Nf4 77. Bf5 Nh3 78. Kg2 Ng5 79. Kf2 Nf7 80. Kf3 Nh6 81. Be6 Kg5 82. Kg3 Kf6 83. Kf3 Nf7 84. Kg4 Nd8 85. Bd7 Nb7 86. Kf3 Nc5 87. Bc6 Ke7 88. Bb5 Kd8 89. Bc6 Kc7 90. Be8 Nb3 91. Ke3 Nd4 92. Kd3 Kd8 93. Bh5 Ke7 94. Ke3 b5 95. axb5 Nxb5 96. Bd1 Kf6 97. Kd3 Kg5 98. Ba4 Nd4 99. Ke3 Kg4 100. Bd1+ Kg3 101. Ba4 Nf3 102. Bd1 Nh2 103. Ba4 Ng4+ 104. Kd3 Kf4 105. Bc2 Nf2+ 106. Kc4 Nxe4 107. Kb5 Ke3 108. Kxa5 Kd4 109. Bb3 Kc5 110. Ka6 Nf6 111. Kb7 Nxd5 0-1

[Event "JPN-ch 52nd"]
[Site "Tokyo"]
[Date "2019.05.02"]
[Round "8"]
[White "Matsumoto, Yoshitaro"]
[Black "Averbukh, Alex"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1744"]
[BlackElo "2128"]
[PlyCount "114"]
[EventDate "2019.04.29"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "JPN"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nc6 3. e3 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Nf3 Bd6 7. Bg3 Nf6 8. c3 0-0 9. Nbd2 Re8 10. Ne5 Ne7 11. a4 c5 12. a5 a6 13. 0-0 Nf5 14. Nef3 Nxg3 15. hxg3 Nd7 16. Rfb1 Nb8 17. dxc5 Bxc5 18. Nb3 Be7 19. e4 dxe4 20. Qxe4 Nc6 21. Nfd4 Qc7 22. Nxc6 bxc6 23. Nd2 Bc5 24. Qf3 Red8 25. Nc4 Rd5 26. Rf1 Rf5 27. Qg4 h5 28. Qh4 Qa7 29. Nb6 Bxb6 30. axb6 Qxb6 31. Qe4 Rd8 32. Qe2 a5 33. Rad1 Rb8 34. Rd2 Rb5 35. Rfd1 g6 36. Qf3 Rf5 37. Qe4 Re8 38. g4 hxg4 39. Qxg4 Kg7 40. Qd4+ Qxd4 41. Rxd4 Rb8 42. b4 c5 43. bxc5 Rxc5 44. Ra4 Rb2 45. Rd3 Rf5 46. Rf3 Rxf3 47. gxf3 Rb5 48. Rc4 Kf6 49. Rc7 Rb3 50. Kg2 a4 51. Ra7 a3 52. c4 e5 53. c5 Ke6 54. c6 Rc3 55. Ra5 Kd6 56. Ra8 Rb3 57. Ra6 Kc7 0-1

[Event "JPN-ch 52nd"]
[Site "Tokyo"]
[Date "2019.04.30"]
[Round "3"]
[White "Otawa, Yuto"]
[Black "Matsumoto, Yoshitaro"]
[Result "1-0"]
[ECO "A96"]
[WhiteElo "2161"]
[BlackElo "1744"]
[PlyCount "45"]
[EventDate "2019.04.29"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "JPN"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 d6 7. b3 Ne4 8. Bb2 b6 9. Nfd2 Bb7 10. f3 Nxd2 11. Qxd2 Nd7 12. Nc3 c6 13. e4 fxe4 14. fxe4 Bg5 15. Qe2 e5 16. d5 c5 17. Qg4 Rxf1+ 18. Rxf1 Nf8 19. Kh1 Bc8 20. Qf3 Qe7 21. Nb5 Bd7 22. Nxd6 Qxd6 23. Qf7+ 1-0

[Event "JPN-ch 52nd"]
[Site "Tokyo"]
[Date "2019.04.29"]
[Round "2"]
[White "Matsumoto, Yoshitaro"]
[Black "Takahashi, Reiji"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1744"]
[BlackElo "2068"]
[PlyCount "66"]
[EventDate "2019.04.29"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "JPN"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 d6 3. Nc3 g6 4. e4 Bg7 5. Qd2 Nc6 6. 0-0-0 Nh5 7. Be3 e5 8. dxe5 Nxe5 9. h3 Be6 10. g4 Nf6 11. Bh6 Bxh6 12. Qxh6 Ng8 13. Qe3 g5 14. Nge2 a6 15. Ng3 Qf6 16. Nf5 Ne7 17. f4 gxf4 18. Qxf4 Qg6 19. Be2 Rg8 20. Kb1 Qg5 21. Qf2 N7c6 22. h4 Qd8 23. g5 Qd7 24. Nh6 Rf8 25. Qf6 Qe7 26. Rhf1 Qxf6 27. Rxf6 Ne7 28. Bh5 N7g6 29. Bxg6 hxg6 30. Rg1 Rh8 31. Nd5 Bxd5 32. exd5 Ke7 33. Rgf1 Raf8 1/2-1/2

[Event "Tokyo City-ch"]
[Site "Tokyo"]
[Date "2019.03.24"]
[Round "5"]
[White "Averbukh, Alex"]
[Black "Matsumoto, Yoshitaro"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2347"]
[BlackElo "2047"]
[PlyCount "45"]
[EventDate "2019.03.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "JPN"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Bc4 e5 5. Nf3 Be7 6. 0-0 c6 7. a4 a5 8. h3 Qc7 9. Be3 h6 10. Nh2 Nf8 11. f4 Ne6 12. fxe5 dxe5 13. d5 Nf4 14. Qd2 g5 15. Rad1 Qd6 16. Nf3 0-0 17. dxc6 Qxd2 18. Rxd2 bxc6 19. Nxe5 N6h5 20. Nxc6 Bb4 21. Nxb4 axb4 22. Nd5 Nxd5 23. Bxd5 1-0

[Event "Tokyo City-ch"]
[Site "Tokyo"]
[Date "2019.03.24"]
[Round "6"]
[White "Matsumoto, Yoshitaro"]
[Black "Higashishiba, Teruomi"]
[Result "1/2-1/2"]
[ECO "A47"]
[WhiteElo "2047"]
[BlackElo "2118"]
[PlyCount "89"]
[EventDate "2019.03.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "JPN"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 b6 3. e3 Bb7 4. Nf3 e6 5. Bd3 Be7 6. c3 0-0 7. h3 c5 8. 0-0 Ne4 9. Nfd2 d5 10. Nxe4 dxe4 11. Be2 cxd4 12. cxd4 Bg5 13. Bh2 Nd7 14. Nc3 a6 15. Qb3 Nf6 16. Rac1 Rc8 17. Na4 Rxc1 18. Rxc1 Nd5 19. Bc7 Nxc7 20. Qxb6 Nd5 21. Qxb7 Nxe3 22. Rc5 Nf5 23. Qxe4 Nxd4 24. Bxa6 f5 25. Qd3 Qd6 26. Rc8 Rxc8 27. Bxc8 Bf6 28. Qc4 Qe5 29. Kf1 Kf7 30. Nc5 Bh4 31. Nxe6 Nxe6 32. Bxe6+ Qxe6 33. Qxh4 Qxa2 34. Qh5+ Kf6 35. Qh4+ Kf7 36. Qd4 Qb1+ 37. Ke2 Qc2+ 38. Kf3 g5 39. Qd7+ Kg6 40. Qd6+ Kg7 41. Qe5+ Kg6 42. g4 Qd1+ 43. Kg2 fxg4 44. Qe4+ Kg7 45. Qe7+ 1/2-1/2

[Event "Tokyo City-ch"]
[Site "Tokyo"]
[Date "2019.03.24"]
[Round "4"]
[White "Matsumoto, Yoshitaro"]
[Black "Yamada, Kohei"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2047"]
[BlackElo "2263"]
[PlyCount "73"]
[EventDate "2019.03.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "JPN"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. f4 d5 2. Nf3 c6 3. e3 Bg4 4. Be2 g6 5. 0-0 Bg7 6. c4 Nf6 7. Nc3 Bxf3 8. Bxf3 d4 9. Ne2 d3 10. Nd4 Nbd7 11. Qb3 Qc7 12. Qxd3 e5 13. fxe5 Nxe5 14. Qc2 0-0 15. Be2 Neg4 16. Nf3 Rfe8 17. b3 Ne4 18. Bb2 Nxd2 19. Qxd2 Bh6 20. Qc3 f6 21. h3 Rxe3 22. Qc2 Rxf3 23. hxg4 Be3+ 24. Kh1 Rxf1+ 25. Rxf1 Qg3 26. Bxf6 Bf4 27. Rxf4 Qxf4 28. Bc3 Rf8 29. Bf3 Re8 30. Bd2 Qg3 31. Qd3 Qf2 32. b4 a6 33. c5 Kf8 34. Bh6+ Kf7 35. Qc4+ Re6 36. Qf4+ Ke7 37. Bg5+ 1-0

[Event "Tokyo City-ch"]
[Site "Tokyo"]
[Date "2019.03.23"]
[Round "3"]
[White "Saito, Hiromasa"]
[Black "Matsumoto, Yoshitaro"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "1076"]
[BlackElo "2047"]
[PlyCount "74"]
[EventDate "2019.03.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "JPN"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 Ngf6 6. Re1 e6 7. c3 Be7 8. d4 cxd4 9. cxd4 0-0 10. Nc3 Nb6 11. b3 Rc8 12. Bb2 Qd7 13. Qd2 Rc7 14. Rac1 Rfc8 15. h3 h6 16. a4 d5 17. e5 Ne8 18. Ne2 Rxc1 19. Rxc1 Rxc1+ 20. Qxc1 Qc7 21. Nf4 Qxc1+ 22. Bxc1 Nc7 23. Nd3 Na6 24. Bd2 Kf8 25. Kf1 Ke8 26. Ke2 Kd7 27. Nfe1 Kc6 28. Nc2 h5 29. f4 g6 30. g3 Nd7 31. b4 b5 32. a5 Nc7 33. Nc5 Ne8 34. Kd3 Ng7 35. g4 Bh4 36. Na3 Nb8 37. Nc2 Nd7 1/2-1/2

[Event "Tokyo Summer op"]
[Site "Tokyo"]
[Date "2018.07.16"]
[Round "5"]
[White "Matsumoto, Yoshitaro"]
[Black "Kojima, Shinya"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2036"]
[BlackElo "2497"]
[PlyCount "116"]
[EventDate "2018.07.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "JPN"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e4 dxe4 4. d5 Nf6 5. Nc3 g6 6. Qd2 Bg7 7. 0-0-0 0-0 8. Bh6 Bxh6 9. Qxh6 Nbd7 10. h4 Ne5 11. Nh3 a6 12. Be2 Neg4 13. Bxg4 Nxg4 14. Qf4 Qd6 15. Qxd6 exd6 16. Nxe4 Rd8 17. Rhe1 Bf5 18. Ng3 Bd7 19. Ne4 Bf5 20. Ng3 Re8 21. Nxf5 gxf5 22. f3 Ne3 23. Rd2 Re5 24. Rde2 Rae8 25. Nf4 b6 26. b3 c4 27. Kd2 c3+ 28. Kd3 Nxd5 29. Nxd5 Rxd5+ 30. Kxc3 Rc8+ 31. Kb2 Kg7 32. c4 Rd4 33. g3 Rd3 34. Rf2 d5 35. cxd5 Rxd5 36. Re3 Kf6 37. f4 Rd1 38. Ref3 Rcd8 39. Kc3 R8d4 40. Rf1 R1d2 41. a4 b5 42. axb5 axb5 43. b4 Rd5 44. Ra1 R2d4 45. Ra6+ Kg7 46. Rb6 Rc4+ 47. Kb3 Re4 48. Rc3 h5 49. Rb7 Re2 50. Rbc7 Rdd2 51. Rc2 Rxc2 52. Rxc2 Rxc2 53. Kxc2 Kf6 54. Kd3 Ke6 55. Kd4 Kd6 56. Kd3 Kd5 57. Kc3 Ke4 58. Kb3 Kd3 0-1

[Event "Tokyo Summer op"]
[Site "Tokyo"]
[Date "2018.07.16"]
[Round "4"]
[White "Shioguchi, Tatsuya"]
[Black "Matsumoto, Yoshitaro"]
[Result "1/2-1/2"]
[ECO "D23"]
[WhiteElo "2062"]
[BlackElo "2036"]
[PlyCount "70"]
[EventDate "2018.07.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "JPN"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Qb3 dxc4 5. Qxc4 Bf5 6. g3 Nbd7 7. Bg2 Nb6 8. Qb3 Qd5 9. Nbd2 e6 10. 0-0 Ne4 11. Qxd5 cxd5 12. Nxe4 Bxe4 13. Bf4 Bxf3 14. Bxf3 Kd7 15. Rfc1 Bd6 16. Bxd6 Kxd6 17. Rc2 Rhc8 18. Rac1 Rxc2 19. Rxc2 Rc8 20. Rxc8 Nxc8 21. e3 e5 22. dxe5+ Kxe5 23. Kf1 Nd6 24. Ke2 Ne4 25. Bg4 f5 26. Bh3 g6 27. f3 Nf6 28. Kd3 Nd7 29. f4+ Kd6 30. g4 Nc5+ 31. Kd4 Ne6+ 32. Kc3 d4+ 33. Kd3 dxe3 34. Kxe3 fxg4 35. Bxg4 Nc5 1/2-1/2

[Event "Tokyo Summer op"]
[Site "Tokyo"]
[Date "2018.07.15"]
[Round "2"]
[White "Kobayashi, Atsuhiko"]
[Black "Matsumoto, Yoshitaro"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2258"]
[BlackElo "2036"]
[PlyCount "77"]
[EventDate "2018.07.15"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "JPN"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 b6 3. Bg2 Bb7 4. c4 Nf6 5. 0-0 e6 6. Nc3 Be7 7. Re1 d6 8. e4 a6 9. d4 cxd4 10. Nxd4 Qc7 11. Be3 Nbd7 12. Rc1 0-0 13. f4 Rac8 14. g4 Nc5 15. Bf2 g6 16. b4 Ncd7 17. g5 Nh5 18. Qg4 Nxf4 19. Qxf4 e5 20. Qd2 exd4 21. Nd5 Bxd5 22. cxd5 Qd8 23. Rxc8 Qxc8 24. h4 Qc3 25. Qxd4 Rc8 26. Qxc3 Rxc3 27. Re3 Rc1+ 28. Kh2 Rc2 29. Kg3 h6 30. Ra3 hxg5 31. hxg5 a5 32. bxa5 bxa5 33. Rxa5 Bxg5 34. Ra8+ Kg7 35. Bd4+ Bf6 36. Bxf6+ Kxf6 37. a4 Rc3+ 38. Kf2 Rc2+ 39. Kg3 1/2-1/2

[Event "JPN-ch"]
[Site "Tokyo"]
[Date "2018.05.05"]
[Round "11"]
[White "Matsumoto, Yoshitaro"]
[Black "Tomii, Yoshikatsu"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1742"]
[BlackElo "1557"]
[PlyCount "15"]
[EventDate "2018.04.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "JPN"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Qb6 5. Qb3 c4 6. Qc2 Bf5 7. Qxf5 Qxb2 8. Qc8# 1-0

[Event "JPN-ch"]
[Site "Tokyo"]
[Date "2018.05.04"]
[Round "9"]
[White "Matsumoto, Yoshitaro"]
[Black "Kojima, Natsumi"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "1742"]
[BlackElo "1635"]
[PlyCount "71"]
[EventDate "2018.04.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "JPN"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 Nxc3 5. bxc3 g6 6. g3 Bg7 7. Bg2 Nd7 8. Rb1 c5 9. c4 0-0 10. 0-0 Rb8 11. Bb2 e5 12. d3 b6 13. Nd2 Bb7 14. Qa4 Bxg2 15. Kxg2 Qe7 16. Qxa7 Ra8 17. Qb7 Rfb8 18. Qd5 Rxa2 19. Ne4 Nf8 20. Nc3 Ra5 21. Ra1 Rd8 22. Qc6 Rd6 23. Nd5 Qd8 24. Qb7 Ne6 25. Ne7+ Kh8 26. Nc6 Rxc6 27. Qxc6 h6 28. Bc3 Rxa1 29. Rxa1 Qg5 30. e3 Qf6 31. Qe8+ Kh7 32. h4 Qf5 33. Ra8 Bf8 34. Ra7 Kg7 35. Bxe5+ Qxe5 36. Qxf7+ 1-0

[Event "JPN-ch"]
[Site "Tokyo"]
[Date "2018.05.04"]
[Round "10"]
[White "Nakahara, Kan"]
[Black "Matsumoto, Yoshitaro"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1720"]
[BlackElo "1742"]
[PlyCount "33"]
[EventDate "2018.04.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "JPN"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nd7 3. Nf3 e5 4. Bc4 Be7 5. dxe5 Nxe5 6. Nxe5 dxe5 7. Qh5 g6 8. Qxe5 Nf6 9. Bh6 Rg8 10. Qb5+ Qd7 11. Nc3 Qxb5 12. Nxb5 Bd8 13. Bf4 Be6 14. Bd3 Kd7 15. 0-0-0 Kc8 16. Nd4 g5 17. Nxe6 1-0

[Event "JPN-ch"]
[Site "Tokyo"]
[Date "2018.05.02"]
[Round "7"]
[White "Hiebert, Kenji"]
[Black "Matsumoto, Yoshitaro"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2179"]
[BlackElo "1742"]
[PlyCount "57"]
[EventDate "2018.04.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "JPN"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 Ngf6 6. Qe2 Rc8 7. c3 e6 8. d4 cxd4 9. cxd4 Be7 10. Nc3 Qa5 11. Bg5 e5 12. dxe5 dxe5 13. Rfd1 Bd8 14. Rd2 0-0 15. Rad1 Nb6 16. Rd3 Re8 17. b3 Be7 18. Bxf6 Bxf6 19. Nd5 Nxd5 20. Rxd5 Qb6 21. g3 g6 22. Kg2 a6 23. h4 h5 24. Nd2 Rc2 25. Qf3 Re6 26. Nc4 Qc7 27. Rd7 Qb8 28. Qd3 Rxc4 29. Qxc4 1-0

[Event "JPN-ch"]
[Site "Tokyo"]
[Date "2018.05.01"]
[Round "5"]
[White "Matsumoto, Yoshitaro"]
[Black "Fukuda, Toyoaki"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "1742"]
[BlackElo "1838"]
[PlyCount "67"]
[EventDate "2018.04.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "JPN"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. a3 a6 6. Rb1 Rb8 7. b4 cxb4 8. axb4 b5 9. cxb5 axb5 10. Nf3 Nf6 11. d4 d5 12. Bf4 Rb6 13. 0-0 0-0 14. Ne5 Bf5 15. Nxc6 Rxc6 16. Rc1 Ne4 17. Nxb5 Qb6 18. Rxc6 Qxc6 19. Na3 Qc3 20. Qa4 Qxd4 21. Nb1 Qc4 22. Bf3 e5 23. Rc1 Qd4 24. Be3 Qb2 25. Qa3 Qxa3 26. Nxa3 d4 27. Bxe4 Bxe4 28. Bd2 h5 29. f3 Bf5 30. Nc4 Rb8 31. Na5 Be6 32. Kf2 Rb6 33. Rc6 Rb8 34. Rc5 1/2-1/2

[Event "JPN-ch"]
[Site "Tokyo"]
[Date "2018.04.30"]
[Round "3"]
[White "Matsumoto, Yoshitaro"]
[Black "Kobayashi, Atsuhiko"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1742"]
[BlackElo "2061"]
[PlyCount "38"]
[EventDate "2018.04.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "JPN"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 d6 2. Bf4 g6 3. Nc3 Bg7 4. e4 a6 5. Nf3 b5 6. Qd2 Bb7 7. Bd3 Nd7 8. 0-0-0 c5 9. dxc5 Nxc5 10. Kb1 Rc8 11. Be3 b4 12. Nd5 e6 13. Qxb4 a5 14. Qb6 Qd7 15. Bb5 Bc6 16. Bxc5 Bxb5 17. Nf6+ Bxf6 18. Rxd6 Bd8 19. Rxd7 Bxb6 0-1

[Event "JPN-ch"]
[Site "Tokyo"]
[Date "2018.04.30"]
[Round "4"]
[White "Shibata, Misaki"]
[Black "Matsumoto, Yoshitaro"]
[Result "0-1"]
[ECO "D44"]
[WhiteElo "1592"]
[BlackElo "1742"]
[PlyCount "64"]
[EventDate "2018.04.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "JPN"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bxf6 gxf6 9. a4 Bb4 10. Be2 Bb7 11. 0-0 a6 12. Ne4 Nd7 13. b3 f5 14. Ng3 c3 15. Rb1 Nb6 16. Ne1 Be7 17. axb5 cxb5 18. b4 Rc8 19. Nc2 Nc4 20. Bxc4 Rxc4 21. Ne2 Rg8 22. f3 a5 23. Na3 axb4 24. Nxc4 bxc4 25. Nxc3 Bc6 26. Na2 Qa5 27. Nc1 Qd5 28. Na2 Qa5 29. Nc1 Bb5 30. Re1 c3 31. Nb3 Qa2 32. Ra1 Qxg2# 0-1

[Event "JPN-ch"]
[Site "Tokyo"]
[Date "2018.04.29"]
[Round "1"]
[White "Matsumoto, Yoshitaro"]
[Black "Scott, Tyler"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1742"]
[BlackElo "2089"]
[PlyCount "44"]
[EventDate "2018.04.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "JPN"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. d4 f5 2. h3 Nf6 3. g4 d5 4. g5 Ne4 5. Nf3 e6 6. Bg2 c5 7. c3 Nc6 8. Bf4 cxd4 9. cxd4 Bb4+ 10. Kf1 0-0 11. a3 Be7 12. h4 Qb6 13. Bc1 e5 14. Nc3 Nxc3 15. bxc3 e4 16. Ne5 f4 17. Nxc6 Qxc6 18. Qb3 f3 19. exf3 exf3 20. Bh3 Bxh3+ 21. Rxh3 Qe6 22. Rg3 Bd6 0-1

[Event "JPN-ch"]
[Site "Tokyo"]
[Date "2018.04.29"]
[Round "2"]
[White "Matsuyama, Koya"]
[Black "Matsumoto, Yoshitaro"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1502"]
[BlackElo "1742"]
[PlyCount "58"]
[EventDate "2018.04.29"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "JPN"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 a6 4. Nf3 Bg4 5. Be2 Nf6 6. exd5 cxd5 7. 0-0 e6 8. Bf4 Nc6 9. Qd2 Be7 10. Rfd1 0-0 11. Ne5 Bxe2 12. Qxe2 Rc8 13. Rac1 Qb6 14. Nxc6 Rxc6 15. Na4 Qa5 16. b3 Rfc8 17. c3 Ba3 18. Rc2 Ne4 19. c4 b5 20. Nc5 Nxc5 21. dxc5 Bxc5 22. Rcd2 bxc4 23. bxc4 dxc4 24. Be5 Bf8 25. Rd7 Rc5 26. Bd6 Bxd6 27. R1xd6 c3 28. Qd3 Rd5 29. Qxc3 Qxc3 0-1

