[Event "Doeberl Cup 61st"]
[Site "Canberra"]
[Date "2024.04.01"]
[Round "9"]
[White "Litchfield, Frederick"]
[Black "Otsuka, Shou"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "2211"]
[BlackElo "2141"]
[PlyCount "64"]
[EventDate "2024.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUS"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. d4 Nf6 2. Nd2 d5 3. Ngf3 c5 4. e3 e6 5. Be2 b6 6. 0-0 Bb7 7. Ne5 Bd6 8. c4 0-0 9. Qc2 Nbd7 10. cxd5 exd5 11. Ndf3 Ne4 12. Rd1 Ndf6 13. dxc5 bxc5 14. b3 Rc8 15. Bb2 Re8 16. Bb5 Re6 17. Qe2 Qc7 18. Nd3 a6 19. Ba4 c4 20. bxc4 dxc4 21. Rdc1 Qa5 22. Qc2 cxd3 23. Qxc8+ Bxc8 24. Rxc8+ Bf8 25. Bb3 Re8 26. Rxe8 Nxe8 27. Ne5 Qd2 28. Bxf7+ Kh8 29. Bd5 N8d6 30. Ba3 Qxf2+ 31. Kh1 d2 32. Bxd6 Qe1+ 0-1

[Event "Doeberl Cup 61st"]
[Site "Canberra"]
[Date "2024.03.31"]
[Round "8"]
[White "Otsuka, Shou"]
[Black "Mitrabha, Guha"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "2141"]
[BlackElo "2526"]
[PlyCount "84"]
[EventDate "2024.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUS"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. 0-0 Ng6 7. Be3 Nd7 8. Ne1 h5 9. c3 h4 10. Nd2 f6 11. f4 Qb6 12. Qb3 a5 13. a4 Qxb3 14. Nxb3 Be7 15. Nd3 Kf7 16. Nf2 Nb6 17. Nd2 Nf8 18. g4 hxg3 19. hxg3 Bg6 20. g4 Nfd7 21. Kg2 c5 22. exf6 gxf6 23. b3 Bd6 24. Nh1 Ke7 25. Ng3 Rac8 26. Rae1 Kd8 27. Rh1 Rg8 28. dxc5 Nxc5 29. Rh6 Nbd7 30. Kh3 Bc2 31. Bb5 Nd3 32. Rf1 Rxc3 33. Kh4 Bf8 34. Rh5 Bc5 35. Bxc5 N3xc5 36. Rc1 Nf8 37. Rh6 Ng6+ 38. Rxg6 Rxg6 39. g5 Rg8 40. Nh5 fxg5+ 41. fxg5 Rh8 42. g6 Rxh5+ 0-1

[Event "Doeberl Cup 61st"]
[Site "Canberra"]
[Date "2024.03.31"]
[Round "7"]
[White "Radovanovic, Mihajlo"]
[Black "Otsuka, Shou"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "2464"]
[BlackElo "2141"]
[PlyCount "84"]
[EventDate "2024.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUS"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Nbd7 5. g3 dxc4 6. Bg2 Be7 7. Nd2 e5 8. Nxc4 exd4 9. Qxd4 Bc5 10. Qf4 0-0 11. Be3 a5 12. Rd1 Bxe3 13. Nxe3 Nh5 14. Qf3 Nhf6 15. Qf4 Nh5 16. Qc4 c6 17. g4 Nhf6 18. g5 Ne8 19. Bh3 Qc7 20. Qd4 Ne5 21. Bxc8 Rxc8 22. f4 Ng6 23. f5 Ne5 24. Ne4 f6 25. Rg1 Qe7 26. h4 Kh8 27. h5 fxg5 28. h6 g4 29. hxg7+ Qxg7 30. f6 Nxf6 31. Nf5 Qg6 32. Ned6 Rce8 33. Nxe8 Rxe8 34. Ne3 Qg5 35. Rf1 c5 36. Qf4 Qh4+ 37. Rf2 Nh5 38. Qh2 Qg5 39. Rf5 Qxf5 40. Nxf5 Nf3+ 41. Kf2 Nxh2 42. Kg1 g3 0-1

[Event "Doeberl Cup 61st"]
[Site "Canberra"]
[Date "2024.03.29"]
[Round "3"]
[White "Morris, James"]
[Black "Otsuka, Shou"]
[Result "1-0"]
[ECO "A13"]
[WhiteElo "2418"]
[BlackElo "2141"]
[PlyCount "73"]
[EventDate "2024.03.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "AUS"]
[SourceTitle "CB14_2024"]
[SourceDate "2024.04.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.04.01"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 c5 3. e3 Nf6 4. Bb2 e6 5. c4 Nc6 6. cxd5 exd5 7. Bb5 Bd7 8. 0-0 Bd6 9. d4 cxd4 10. Nxd4 0-0 11. Be2 Re8 12. Nd2 Rc8 13. Nxc6 bxc6 14. Rc1 Qe7 15. g3 Bh3 16. Re1 Qe6 17. Bxf6 gxf6 18. Nf3 c5 19. Nh4 f5 20. Bd3 Qf6 21. Bf1 Bxf1 22. Rxf1 d4 23. exd4 cxd4 24. Rxc8 Rxc8 25. Qf3 Rc3 26. Qa8+ Kg7 27. Qxa7 d3 28. Qd7 Rc5 29. Rd1 Rd5 30. Qc6 Qe5 31. Nf3 Qe4 32. Kg2 Bb4 33. a3 Bxa3 34. Qc3+ Kg6 35. Re1 Bb4 36. Qc6+ Rd6 37. Rxe4 1-0

[Event "JPN-ch"]
[Site "Tokyo"]
[Date "2023.05.04"]
[Round "5"]
[White "Kojima, Shinya"]
[Black "Otsuka, Shou"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2334"]
[BlackElo "2137"]
[PlyCount "100"]
[EventDate "2023.05.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "JPN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 Bb4 5. Bg5 Nbd7 6. e3 c5 7. cxd5 exd5 8. Bd3 Qa5 9. 0-0 c4 10. Bf5 0-0 11. Qc2 Re8 12. Nd2 g6 13. Bxd7 Nxd7 14. e4 Bxc3 15. Qxc3 Qxc3 16. bxc3 f6 17. Be3 Nb6 18. f3 Na4 19. Rac1 b5 20. Rfe1 Bb7 21. Bh6 Kf7 22. h4 Rad8 23. Re3 Re6 24. Rce1 Rde8 25. R1e2 Nb2 26. exd5 Rxe3 27. Rxe3 Rxe3 28. Bxe3 Nd1 29. Bh6 Nxc3 30. Ne4 Nxe4 31. fxe4 f5 32. exf5 gxf5 33. Bd2 Bxd5 34. Kf2 f4 35. Bxf4 b4 36. Ke2 Ke6 37. Bc7 b3 38. axb3 cxb3 39. Kd2 Bxg2 40. Kc3 Bd5 41. Ba5 Kf5 42. Bd8 h5 43. Be7 Kg4 44. Kb2 Kf3 45. Bd6 Ke3 46. Bc5 Kd3 47. Bxa7 Kc4 48. Bc5 Kd3 49. Ba7 Kc4 50. Bc5 Kd3 1/2-1/2

[Event "Cappelle op 39th"]
[Site "Cappelle la Grande"]
[Date "2023.02.18"]
[Round "1"]
[White "Harsha, Bharathakoti"]
[Black "Otsuka, Shou"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2599"]
[BlackElo "2158"]
[PlyCount "51"]
[EventDate "2023.02.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. 0-0 e6 5. d3 c5 6. e4 d6 7. Nh4 Nc6 8. f4 Be7 9. Be3 Nd7 10. Nf3 Nb6 11. Nbd2 d5 12. c3 0-0 13. e5 b4 14. c4 dxc4 15. Nxc4 Nd5 16. Bf2 Rc8 17. Qe2 a5 18. Rac1 Na7 19. Nfd2 Nb5 20. Ne4 Ba6 21. Qd1 Kh8 22. Re1 f5 23. exf6 Bxf6 24. Nxc5 Rxc5 25. Bxc5 Bxb2 26. Nxb2 1-0

[Event "Budapest FS02 IM"]
[Site "Budapest"]
[Date "2023.02.14"]
[Round "9"]
[White "Frank, Adam"]
[Black "Otsuka, Shou"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "2332"]
[BlackElo "2158"]
[PlyCount "141"]
[EventDate "2023.02.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. d3 b5 7. Bb3 d6 8. c3 0-0 9. a4 Bd7 10. Be3 Na5 11. Bc2 c5 12. Nbd2 Ng4 13. d4 exd4 14. cxd4 Nxe3 15. fxe3 Nc6 16. e5 dxe5 17. d5 Nb4 18. Nxe5 Be8 19. e4 Rc8 20. Ndf3 c4 21. Nd4 Bc5 22. Nef3 bxa4 23. Kh1 Qb6 24. Nf5 g6 25. Nh6+ Kg7 26. Ng4 h5 27. Nge5 Bd6 28. Bxa4 Rc7 29. Rc1 Bb5 30. Bxb5 axb5 31. Qd2 Re7 32. Qg5 Kh7 33. Qf6 Bc5 34. Ng5+ Kg8 35. Ne6 Rxe6 36. dxe6 Qxe6 37. Qxe6 fxe6 38. Rxf8+ Bxf8 39. Nf3 Bg7 40. e5 Nd3 41. Rc2 Nxe5 42. Nd4 b4 43. Nxe6 Bh6 44. Nc5 Be3 45. Re2 Bxc5 46. Rxe5 Bd4 47. Re4 Bxb2 48. Rxc4 Bc3 49. Rc7 Bd4 50. Rb7 Bc5 51. h3 h4 52. Rc7 Bf2 53. Rc2 Be3 54. Rc4 g5 55. Re4 Bd2 56. Kg1 Kf7 57. Re5 Kf6 58. Rb5 Bc3 59. Kf2 Bd2 60. Ke2 Bc3 61. Kd3 Be1 62. Ke4 Bd2 63. Rb6+ Ke7 64. Ke5 Bc3+ 65. Kf5 Bd2 66. Re6+ Kd7 67. Re2 Bc1 68. Re1 Bf4 69. Rb1 Kd6 70. Rxb4 Be3 71. Rb7 1-0

[Event "Budapest FS02 IM"]
[Site "Budapest"]
[Date "2023.02.13"]
[Round "8"]
[White "Otsuka, Shou"]
[Black "Palczert, Matyas"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2158"]
[BlackElo "2360"]
[PlyCount "80"]
[EventDate "2023.02.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nd7 3. Bg2 e5 4. d3 Ngf6 5. 0-0 Bc5 6. c4 d4 7. b4 Bxb4 8. Nxe5 0-0 9. Nxd7 Qxd7 10. Nd2 Re8 11. Rb1 Qe7 12. Nf3 Bc5 13. Re1 c6 14. e3 Bg4 15. e4 Bb4 16. Rf1 Nd7 17. h3 Bxf3 18. Qxf3 a5 19. Qd1 b5 20. cxb5 cxb5 21. f4 Rac8 22. Bd2 Bxd2 23. Qxd2 b4 24. e5 Rc3 25. Bd5 Qc5 26. Bb3 Qc6 27. Qd1 Nb6 28. e6 fxe6 29. f5 a4 30. f6 gxf6 31. Rxf6 axb3 32. Qg4+ Kh8 33. Rf7 Rc1+ 34. Rxc1 Qxc1+ 35. Kh2 Qb2+ 36. Kh1 Qc1+ 37. Kh2 Qd2+ 38. Kh1 Qe1+ 39. Kh2 Rg8 40. Qxd4+ e5 0-1

[Event "Budapest FS02 IM"]
[Site "Budapest"]
[Date "2023.02.11"]
[Round "7"]
[White "Bhakti, Kulkarni"]
[Black "Otsuka, Shou"]
[Result "1-0"]
[ECO "A64"]
[WhiteElo "2313"]
[BlackElo "2158"]
[PlyCount "69"]
[EventDate "2023.02.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 d6 5. Bg2 exd5 6. cxd5 g6 7. Nc3 Bg7 8. Nf3 0-0 9. 0-0 a6 10. a4 Re8 11. Nd2 Nbd7 12. e4 Rb8 13. Nc4 Ne5 14. Na3 c4 15. Be3 Bd7 16. a5 Qxa5 17. Nxc4 Qb4 18. Nb6 Nfg4 19. Bd4 Bb5 20. Nxb5 Qxb5 21. Ra3 Nf6 22. Rb3 Qa5 23. Bxe5 dxe5 24. Qc2 Bf8 25. Rc1 Bh6 26. Rd1 Bf8 27. d6 Red8 28. d7 Qc5 29. Qd2 Qc6 30. Nd5 Nxd7 31. Rd3 Re8 32. Rc1 Nc5 33. b4 Nxd3 34. Rxc6 bxc6 35. Nf6+ 1-0

[Event "Budapest FS02 IM"]
[Site "Budapest"]
[Date "2023.02.10"]
[Round "6"]
[White "Otsuka, Shou"]
[Black "Ilincic, Zlatko"]
[Result "0-1"]
[ECO "C43"]
[WhiteElo "2158"]
[BlackElo "2298"]
[PlyCount "96"]
[EventDate "2023.02.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. dxe5 d5 5. Nbd2 Nc5 6. Be2 Nc6 7. 0-0 Be7 8. Nb3 Nxb3 9. axb3 0-0 10. c3 Bg4 11. h3 Bh5 12. Re1 Qd7 13. b4 a6 14. Bf4 Rad8 15. g4 Bg6 16. b5 axb5 17. Bxb5 Qc8 18. Qa4 Nb8 19. Bg3 c6 20. Bf1 Nd7 21. b4 Nb6 22. Qd1 c5 23. bxc5 Qxc5 24. Qb3 Ra8 25. Nd4 Rfc8 26. Bg2 Rxa1 27. Rxa1 Qxc3 28. Qxc3 Rxc3 29. Nb5 Rb3 30. Nc7 Rb1+ 31. Rxb1 Bxb1 32. Nxd5 Nxd5 33. Bxd5 b5 34. Bb3 Kf8 35. Kf1 Bd3+ 36. Ke1 Bb4+ 37. Kd1 Ke7 38. Bf4 Bf1 39. h4 Bc4 40. Bxc4 bxc4 41. Bc1 Ke6 42. f4 Kd5 43. Ke2 Ke4 44. h5 Bc3 45. g5 g6 46. hxg6 hxg6 47. Kd1 Kd3 48. Ba3 Bd2 0-1

[Event "Budapest FS02 IM"]
[Site "Budapest"]
[Date "2023.02.08"]
[Round "5"]
[White "Otsuka, Shou"]
[Black "Szeberenyi, Adam"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "2158"]
[BlackElo "2325"]
[PlyCount "85"]
[EventDate "2023.02.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 e6 5. Nge2 a6 6. Nxd4 cxd4 7. Ne2 Nf6 8. d3 Bc5 9. Bb3 d5 10. exd5 Nxd5 11. 0-0 0-0 12. Kh1 b5 13. Nf4 Nxf4 14. Bxf4 Bd6 15. Qf3 Rb8 16. Qg3 Bxf4 17. Qxf4 Bb7 18. Qe5 Rc8 19. a4 Qb6 20. f3 Rfd8 21. axb5 axb5 22. Qe2 Bd5 23. Bxd5 Rxd5 24. b4 g6 25. Rfc1 Kg7 26. h4 Qd6 27. Qe1 Rc3 28. Rab1 Qf4 29. Qf2 Re5 30. g3 Qe3 31. Kg1 h6 32. f4 Qxf2+ 33. Kxf2 Re3 34. Ra1 Kf6 35. Ra5 Rexd3 36. cxd3 Rxc1 37. Rxb5 Rc3 38. Ke2 h5 39. Kd2 Rb3 40. Kc2 Rc3+ 41. Kd2 Rb3 42. Kc2 Rc3+ 43. Kd2 1/2-1/2

[Event "Budapest FS02 IM"]
[Site "Budapest"]
[Date "2023.02.07"]
[Round "4"]
[White "Bodi, Tibor"]
[Black "Otsuka, Shou"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2280"]
[BlackElo "2158"]
[PlyCount "99"]
[EventDate "2023.02.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Ne2 Na5 5. Bb3 Nxb3 6. axb3 d5 7. exd5 Nxd5 8. 0-0 Be7 9. Nd2 0-0 10. Nc4 Bf6 11. Ng3 b5 12. Na5 c5 13. Ne4 Be7 14. Nc6 Qc7 15. Nxe7+ Qxe7 16. Re1 Rd8 17. Bd2 Bb7 18. Qh5 Nf6 19. Qg5 Bxe4 20. Rxe4 Re8 21. Re2 Nd5 22. Qh5 Qd6 23. Rae1 Nc7 24. Rxe5 Ne6 25. Qg4 Kh8 26. Bc3 Qf8 27. b4 a5 28. bxa5 b4 29. Bd2 Rxa5 30. d4 Raa8 31. dxc5 Red8 32. Be3 Rab8 33. h3 Rdc8 34. Qc4 Rc6 35. Rd1 Qc8 36. Red5 h6 37. Rd7 Rb7 38. R7d5 Kg8 39. Qg4 Kh7 40. Qf5+ Kg8 41. Rd6 Rb5 42. Qd5 Rbxc5 43. Bxc5 Rxc5 44. Qf3 Rxc2 45. Rd7 Qf8 46. Ra7 Ng5 47. Qd5 Rc8 48. Rda1 Rc5 49. Qd7 Rc8 50. Qxc8 1-0

[Event "Budapest FS02 IM"]
[Site "Budapest"]
[Date "2023.02.06"]
[Round "3"]
[White "Otsuka, Shou"]
[Black "Apaar, Saxena"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "2158"]
[BlackElo "1965"]
[PlyCount "65"]
[EventDate "2023.02.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. Re1 Nd6 6. a4 Be7 7. Nc3 0-0 8. d4 Nxb5 9. axb5 Nxd4 10. Nxd4 exd4 11. Nd5 Bf6 12. Qf3 d6 13. Nxf6+ Qxf6 14. Qxf6 gxf6 15. Bh6 Rd8 16. Re7 Bf5 17. Rxc7 Rd7 18. Rxd7 Bxd7 19. Rd1 Re8 20. f3 f5 21. Rxd4 Re6 22. Bf4 Bxb5 23. c4 Ba6 24. b4 b5 25. cxb5 Bxb5 26. Bxd6 Kg7 27. Rd2 a6 28. Kf2 Kg6 29. g3 Re8 30. Bc5 Re6 31. Be3 h5 32. Rd8 Re8 33. Rd6+ 1/2-1/2

[Event "Budapest FS02 IM"]
[Site "Budapest"]
[Date "2023.02.05"]
[Round "2"]
[White "Matyassy, Lazar"]
[Black "Otsuka, Shou"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "2299"]
[BlackElo "2158"]
[PlyCount "126"]
[EventDate "2023.02.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d6 3. e4 e5 4. Nf3 Nbd7 5. Rg1 g6 6. g4 exd4 7. Nxd4 Bg7 8. Be2 d5 9. Nxd5 Nxe4 10. Bf4 0-0 11. Bxc7 Qe8 12. Qd3 Ndc5 13. Qe3 Be6 14. c4 Qd7 15. Bf4 Bxd5 16. cxd5 Qxd5 17. Rd1 Qxa2 18. f3 Nf6 19. Nf5 Qa5+ 20. Kf1 Rfe8 21. Qf2 gxf5 22. gxf5 Kh8 23. Rxg7 Kxg7 24. Qg3+ Kh8 25. Bh6 Rg8 26. Qe5 Qb6 27. Rd6 Ncd7 28. Rxb6 Nxe5 29. Rxf6 Rac8 30. f4 Ng4 31. Bxg4 Rxg4 32. Rxf7 Rh4 33. Bg7+ Kg8 34. Rxb7 Rxf4+ 35. Ke2 Rxf5 36. Bd4 Rc2+ 37. Kd3 Rxh2 38. Rxa7 Rf3+ 39. Ke4 Rb3 40. Bc3 Rh5 41. Kd4 Rhb5 42. Kc4 Rb7 43. Ra5 Kf7 44. Ra6 R7b6 45. Ra7+ Rb7 46. Ra6 R3b6 47. Ra5 Rc7+ 48. Kd3 Kg6 49. Rd5 h5 50. Kd4 Rbc6 51. Ke4 Rc5 52. Rd6+ Kg5 53. Bd4 R5c6 54. Rd8 Re7+ 55. Kf3 Rf7+ 56. Kg3 Kf5 57. Bc3 Rg6+ 58. Kh3 Ke4 59. Re8+ Kf3 60. Re5 Rg3+ 61. Kh4 Rg1 62. Re1 Rg4+ 63. Kh3 Kf2 0-1

[Event "Budapest FS02 IM"]
[Site "Budapest"]
[Date "2023.02.04"]
[Round "1"]
[White "Otsuka, Shou"]
[Black "Chubakov, Sultan"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2158"]
[BlackElo "2134"]
[PlyCount "118"]
[EventDate "2023.02.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "HUN"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. d3 g6 4. e5 Bg7 5. d4 f6 6. exf6 Nxf6 7. Bd3 0-0 8. 0-0 c5 9. c4 Bg4 10. Be2 Nc6 11. cxd5 Nxd5 12. dxc5 e6 13. h3 Bf5 14. Na3 Ndb4 15. Qb3 Qc8 16. Nc4 Nc2 17. Be3 Nxa1 18. Rxa1 Qc7 19. Nd6 Na5 20. Qa3 b6 21. g4 Bxg4 22. hxg4 bxc5 23. Qxc5 Qxc5 24. Bxc5 Rf4 25. Rd1 Rxg4+ 26. Kf1 Nc6 27. Bc4 Nd8 28. b3 h6 29. Nb5 Rf4 30. Ke2 Nb7 31. Be3 Rf6 32. Rd7 Na5 33. Bd4 Rf7 34. Rd6 Nxc4 35. bxc4 a6 36. Nc3 Raf8 37. Bxg7 Kxg7 38. Nd4 Rxf2+ 39. Kd3 Re8 40. Nxe6+ Kf7 41. Nd4 h5 42. Rxa6 Rf1 43. Ncb5 Re5 44. Nd6+ Kg8 45. Ne4 Rd1+ 46. Nd2 Kg7 47. c5 h4 48. c6 Re7 49. c7 Rxc7 50. Ne6+ Kh6 51. Nxc7 h3 52. Ra8 Kh7 53. Ra4 g5 54. Ne6 h2 55. Nxg5+ Kg6 56. Rh4 h1Q 57. Rxh1 Rxh1 58. Nge4 Ra1 59. Nc3 Rxa2 1/2-1/2

[Event "Tokyo op"]
[Site "Tokyo"]
[Date "2022.11.06"]
[Round "7"]
[White "Otsuka, Shou"]
[Black "Tanaka, Satoshi"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "2118"]
[BlackElo "1991"]
[PlyCount "63"]
[EventDate "2022.11.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "JPN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Bc5 5. Nxe5 Nxe5 6. d4 0-0 7. dxc5 Qe7 8. Qd4 b6 9. cxb6 axb6 10. Nc3 Bb7 11. Bg5 h6 12. Bh4 g5 13. Bg3 d6 14. f4 c5 15. Qd2 Neg4 16. fxg5 Nh5 17. Bxd6 Rfd8 18. Bxe7 Rxd2 19. h3 Ne3 20. Rf2 Rxf2 21. Kxf2 Nxc2 22. Rd1 Nd4 23. a4 Nxb5 24. axb5 Re8 25. Rd7 Bc8 26. Rc7 Nf4 27. Nd5 Nxd5 28. exd5 hxg5 29. d6 Kg7 30. Rxc8 Rxc8 31. d7 Ra8 32. d8Q 1-0

[Event "Tokyo op"]
[Site "Tokyo"]
[Date "2022.11.05"]
[Round "5"]
[White "Otsuka, Shou"]
[Black "Furuya, Masahiro"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "2118"]
[BlackElo "1935"]
[PlyCount "59"]
[EventDate "2022.11.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "JPN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4 b5 6. Be2 b4 7. e5 bxc3 8. exf6 exf6 9. bxc3 Be6 10. Qa4 Nd7 11. Qxc6 Be7 12. 0-0 0-0 13. Qe4 Qa5 14. Bd2 Rfe8 15. Rfe1 Ba3 16. Qf4 Nb6 17. Rab1 Bf5 18. Rxb6 axb6 19. Bxc4 Rxe1+ 20. Nxe1 Be6 21. Bd3 Re8 22. Qh4 h6 23. Qe4 f5 24. Qb7 Bc1 25. d5 Bxd2 26. dxe6 Qxc3 27. Qxf7+ Kh8 28. e7 Qc6 29. Qf8+ Kh7 30. Bxf5+ 1-0

[Event "Tokyo op"]
[Site "Tokyo"]
[Date "2022.11.05"]
[Round "6"]
[White "Shiomi, Ryo"]
[Black "Otsuka, Shou"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2063"]
[BlackElo "2118"]
[PlyCount "78"]
[EventDate "2022.11.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "JPN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nge2 Be7 5. g3 c6 6. a4 0-0 7. Bg2 a5 8. 0-0 Na6 9. h3 Nb4 10. Be3 d5 11. dxe5 Nxe4 12. Nxe4 dxe4 13. c3 Qxd1 14. Raxd1 Nd3 15. g4 h5 16. Nf4 Nxb2 17. Rd4 hxg4 18. e6 g5 19. exf7+ Kxf7 20. Ne2 gxh3 21. Bxe4 Bf6 22. Rd6 Nxa4 23. Bc2 Be5 24. Rh6 Nxc3 25. Nxc3 Bxc3 26. Rd1 Bg4 27. Rdd6 Rh8 28. Bb3+ Ke8 29. Bd2 Rxh6 30. Rxh6 Bxd2 31. Rh8+ Kd7 32. Rxa8 Bf4 33. Rh8 b5 34. f3 Bxf3 35. Rxh3 Bd5 36. Bc2 a4 37. Kf2 Kd6 38. Ke2 Kc5 39. Kd3 a3 0-1

[Event "Tokyo op"]
[Site "Tokyo"]
[Date "2022.11.04"]
[Round "4"]
[White "Kojima, Shinya"]
[Black "Otsuka, Shou"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "2330"]
[BlackElo "2118"]
[PlyCount "81"]
[EventDate "2022.11.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "JPN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. a4 0-0 7. 0-0 c6 8. Re1 exd4 9. Nxd4 Ne5 10. Ba2 Re8 11. h3 Ng6 12. Be3 Bf8 13. Qf3 c5 14. Nde2 Nh4 15. Qf4 Ng6 16. Qg3 Rxe4 17. Nxe4 Nxe4 18. Qf3 d5 19. Rad1 Be6 20. Nf4 Ng5 21. Qh5 d4 22. Nxg6 hxg6 23. Bxg5 gxh5 24. Bxd8 Bxa2 25. Be7 Be6 26. Bxf8 Kxf8 27. Re5 b6 28. Rxh5 Ke7 29. f4 f6 30. Kf2 Bd7 31. b3 Bc6 32. a5 Kf7 33. b4 Be4 34. bxc5 Rd8 35. cxb6 axb6 36. axb6 f5 37. Rd2 Ke6 38. c3 d3 39. Ke3 Rb8 40. Rg5 Rxb6 41. Rg6+ 1-0

[Event "Tokyo op"]
[Site "Tokyo"]
[Date "2022.07.18"]
[Round "7"]
[White "Otsuka, Shou"]
[Black "Aoshima, Mirai"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2061"]
[BlackElo "2347"]
[PlyCount "84"]
[EventDate "2022.07.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "JPN"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 e5 6. d4 cxd4 7. cxd4 Nxd4 8. Nxd4 exd4 9. Bf4 Ne7 10. a4 0-0 11. Bd6 Re8 12. Nd2 Nc6 13. f4 Bf8 14. Bxf8 Rxf8 15. f5 d5 16. Bxc6 bxc6 17. f6 Re8 18. Qf3 Qd6 19. Rae1 Be6 20. e5 Qf8 21. Qf4 c5 22. b4 cxb4 23. Nb3 Rac8 24. Nxd4 Rc4 25. Qd2 a5 26. Kh1 h5 27. Nxe6 Rxe6 28. Qxd5 Rc5 29. Qd4 Qc8 30. h3 Qc7 31. Qf4 Rcxe5 32. Rc1 Qd8 33. Qh6 Qf8 34. Rc8 Re8 35. Rxe8 Rxe8 36. Qg5 Ra8 37. g4 hxg4 38. hxg4 b3 39. Kg2 b2 40. Rh1 Rc8 41. Qd2 Rb8 42. Qc2 Qb4 0-1

[Event "Tokyo op"]
[Site "Tokyo"]
[Date "2022.07.18"]
[Round "6"]
[White "Tran, Thanh Tu"]
[Black "Otsuka, Shou"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "2375"]
[BlackElo "2061"]
[PlyCount "89"]
[EventDate "2022.07.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "JPN"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nc3 a6 2. g3 d5 3. Bg2 d4 4. Nb1 e5 5. d3 Nc6 6. c3 Nge7 7. Nf3 Be6 8. e3 dxe3 9. fxe3 Qd7 10. d4 f6 11. e4 exd4 12. cxd4 0-0-0 13. d5 Bh3 14. 0-0 Ng6 15. Be3 Nce5 16. Nxe5 Nxe5 17. Qd4 Bxg2 18. Kxg2 Qb5 19. Nd2 Ng4 20. Bg1 Bd6 21. Nc4 Ne5 22. Nxd6+ Rxd6 23. Rac1 Qd3 24. Qb4 a5 25. Qa4 b5 26. Qc2 Qxc2+ 27. Rxc2 Kd7 28. Bc5 Ra6 29. Bd4 Re8 30. Rfc1 Rc8 31. Bxe5 fxe5 32. Rf1 Ke7 33. Rf5 Rf6 34. Rxe5+ Kf7 35. Rh5 Rd6 36. Rxh7 c5 37. Rh4 c4 38. Kf3 b4 39. Ke3 Rdd8 40. Kd4 b3 41. Rf2+ Kg6 42. a3 Rc7 43. Kc3 a4 44. Rhf4 Kh5 45. Rf7 1-0

[Event "Tokyo op"]
[Site "Tokyo"]
[Date "2022.07.17"]
[Round "5"]
[White "Kojima, Shinya"]
[Black "Otsuka, Shou"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "2346"]
[BlackElo "2061"]
[PlyCount "96"]
[EventDate "2022.07.15"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "JPN"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 g6 4. d4 exd4 5. c3 d3 6. Qxd3 Bg7 7. h4 h6 8. Be3 d6 9. Nbd2 Qe7 10. 0-0-0 Nf6 11. Bb3 a5 12. a4 0-0 13. e5 Nxe5 14. Nxe5 Qxe5 15. Qxg6 Bf5 16. Qg3 Qxg3 17. fxg3 Ng4 18. Rhe1 Rae8 19. Nf1 Be4 20. Rd2 Bc6 21. Rde2 b5 22. axb5 Bxb5 23. c4 Ba6 24. Kc2 Rb8 25. Bc1 Rb4 26. Bd2 Bxc4 27. Bxb4 Bxe2 28. Rxe2 axb4 29. Re4 h5 30. Ne3 Nxe3+ 31. Rxe3 Be5 32. Re4 c5 33. g4 Kg7 34. Bd5 f5 35. gxf5 Rxf5 36. Re2 Rf4 37. Bf3 Rxh4 38. Re4 Rh1 39. b3 Kg6 40. Kd3 Rc1 41. Rc4 Rb1 42. Rh4 Rxb3+ 43. Kc2 Rc3+ 44. Kd2 b3 45. Rh1 b2 46. Bxh5+ Kg5 47. Bf3 Rc1 48. Rxc1 Bf4+ 0-1

[Event "Tokyo Japan op"]
[Site "Tokyo"]
[Date "2021.11.23"]
[Round "7"]
[White "Otsuka, Shou"]
[Black "Farfurnik, Sasha"]
[Result "1-0"]
[ECO "B23"]
[BlackElo "2006"]
[PlyCount "49"]
[EventDate "2021.11.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "JPN"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nge2 Nc6 4. g3 a6 5. Bg2 b5 6. d4 cxd4 7. Nxd4 Nxd4 8. Qxd4 Bb7 9. 0-0 Rc8 10. Re1 h5 11. h4 Nh6 12. a4 b4 13. Nd5 Ng4 14. Re2 Rg8 15. Qa7 Bxd5 16. exd5 Bc5 17. Qxa6 g5 18. Bxg5 Rxg5 19. hxg5 Bxf2+ 20. Rxf2 Nxf2 21. Rf1 Ng4 22. g6 Rxc2 23. gxf7+ Ke7 24. f8Q+ Qxf8 25. d6+ 1-0

[Event "Tokyo Japan op"]
[Site "Tokyo"]
[Date "2021.11.22"]
[Round "6"]
[White "Otawa, Yuto"]
[Black "Otsuka, Shou"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "2128"]
[PlyCount "119"]
[EventDate "2021.11.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "JPN"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bf4 Nc6 5. e3 f6 6. Nf3 g5 7. Bg3 h5 8. h3 Nh6 9. Nc3 Be6 10. Bd3 Nf5 11. Bxf5 Bxf5 12. Qb3 e6 13. Qxb7 Rc8 14. 0-0 Bd3 15. Nb5 Rh7 16. Qa6 Bxf1 17. Rxf1 Qd7 18. Nc3 Kf7 19. Qd3 Kg8 20. e4 Qf7 21. exd5 exd5 22. Re1 Rg7 23. Qf5 Rd8 24. Re6 Ne7 25. Qxf6 Qxf6 26. Rxf6 Rd7 27. Ra6 Nf5 28. Be5 g4 29. Bxg7 Bxg7 30. hxg4 hxg4 31. Ne5 Rb7 32. Nxg4 Bxd4 33. Nxd5 Rxb2 34. Nde3 Ne7 35. g3 Kf7 36. Ra4 Nc6 37. Rc4 Ne5 38. Nxe5+ Bxe5 39. Ra4 Rb7 40. Kg2 Bd6 41. Nf5 Bc5 42. Rc4 Rb5 43. g4 Kf6 44. Kg3 Bb6 45. Rc6+ Ke5 46. f4+ Kd5 47. Rc2 Rb1 48. g5 Rg1+ 49. Rg2 Rxg2+ 50. Kxg2 Ke6 51. Ng7+ Kf7 52. Kf3 a5 53. f5 a4 54. Nh5 Bd4 55. Ke4 Bb2 56. Kd5 a3 57. Kd6 Bc3 58. g6+ Kf8 59. Ke6 Bh8 60. g7+ 1-0

[Event "Tokyo Japan op"]
[Site "Tokyo"]
[Date "2021.11.22"]
[Round "5"]
[White "Otsuka, Shou"]
[Black "Noguchi, Koji"]
[Result "1-0"]
[ECO "B27"]
[BlackElo "1958"]
[PlyCount "157"]
[EventDate "2021.11.20"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "JPN"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. Nf3 Nc6 6. Qa4 d6 7. e5 dxe5 8. Nxe5 Qd4 9. Nxc6 Qxa4 10. Nxa4 bxc6 11. b3 e5 12. Bb2 Bb4+ 13. c3 Bd6 14. g3 Be6 15. Ba6 Rb8 16. c4 Bb4+ 17. Ke2 Nd7 18. c5 0-0 19. Rac1 e4 20. Ke3 Rfe8 21. Rhd1 Rbd8 22. Bb7 Nb8 23. Be5 Rd3+ 24. Rxd3 exd3 25. Kxd3 Ba3 26. Re1 Bf5+ 27. Kc4 Nd7 28. Bc3 Rxe1 29. Bxe1 Ne5+ 30. Kc3 Nf3 31. Bd2 Be4 32. h4 Kf8 33. Bf4 a5 34. Bd6+ Ke8 35. Nb6 Bb4+ 36. Kb2 Be1 37. Nc4 f6 38. Bf4 Kd7 39. Be3 Kc7 40. Ba6 g5 41. Nd6 Bg6 42. Be2 Ng1 43. Bg4 h5 44. Be6 gxh4 45. gxh4 Nf3 46. Bf5 Nxh4 47. Bxg6 Nxg6 48. Ne8+ Kd8 49. Nxf6 h4 50. Ne4 Ke7 51. Kc2 Ke6 52. Kd1 Bb4 53. Ke2 Ke5 54. f3 Nf4+ 55. Kf2 h3 56. Kg3 Be1+ 57. Kg4 Nd3 58. Kxh3 Bb4 59. Kg4 Ke6 60. f4 Ba3 61. f5+ Ke5 62. Nd6 Bxc5 63. Bxc5 Nxc5 64. Nc4+ Kf6 65. Nxa5 Ne4 66. Nxc6 Nd6 67. Nd4 Ke5 68. Nf3+ Kf6 69. Nh4 Nb7 70. b4 Nd8 71. a4 Nc6 72. b5 Ne5+ 73. Kf4 Nc4 74. Ke4 Kg5 75. Nf3+ Kf6 76. Nd4 Ke7 77. Kd5 Nb6+ 78. Kc6 Nxa4 79. b6 1-0

