[Event "Sapporo Hokkaido-ch"]
[Site "Sapporo"]
[Date "2021.03.28"]
[Round "4"]
[White "Ikogba, Kelvin"]
[Black "Ito, Katsuhide"]
[Result "1-0"]
[ECO "B50"]
[BlackElo "1294"]
[PlyCount "83"]
[EventDate "2021.03.27"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "JPN"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 e6 3. Nf3 Nf6 4. d3 d6 5. 0-0 Be7 6. Bd2 a6 7. a3 0-0 8. c3 b5 9. Ba2 Nc6 10. b4 Re8 11. c4 d5 12. e5 Nd7 13. cxd5 Ncxe5 14. dxe6 c4 15. exd7 Nxf3+ 16. Qxf3 Bxd7 17. dxc4 Be6 18. Rd1 Rc8 19. Bg5 Qc7 20. Bxe7 Qxe7 21. c5 Bxa2 22. Nc3 Bc4 23. Nd5 Be2 24. Nxe7+ Rxe7 25. Qf4 Bxd1 26. Rxd1 Rce8 27. g3 Re4 28. Qc7 R4e7 29. Qd6 Re6 30. Qd3 g6 31. Qf3 Re4 32. c6 f5 33. c7 Rf8 34. Qb3+ Kg7 35. Rd7+ Kh6 36. Qc3 Kg5 37. h4+ Kg4 38. f3+ Kh5 39. fxe4 fxe4 40. Rxh7+ Kg4 41. c8Q+ Rxc8 42. Qxc8+ 1-0

[Event "Sapporo Hokkaido-ch"]
[Site "Sapporo"]
[Date "2021.03.28"]
[Round "5"]
[White "Nakamura, Mitsuru"]
[Black "Ikogba, Kelvin"]
[Result "1/2-1/2"]
[ECO "B56"]
[WhiteElo "1354"]
[PlyCount "125"]
[EventDate "2021.03.27"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "JPN"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb3 Be7 7. Bg5 0-0 8. Qf3 a6 9. 0-0-0 b5 10. a3 Bb7 11. Qe3 Nc6 12. f4 exf4 13. Qxf4 Ne5 14. Rg1 Qc7 15. Bxf6 Bxf6 16. Nd5 Bxd5 17. Rxd5 h6 18. Kb1 Rac8 19. Qd2 Rfd8 20. Be2 Nc4 21. Bxc4 Qxc4 22. Rc1 Bg5 23. Rxg5 hxg5 24. Qxg5 Qxe4 25. Nd2 Qe6 26. h4 d5 27. h5 d4 28. Qg3 d3 29. c3 a5 30. Rh1 Qe2 31. h6 g6 32. h7+ Kh8 33. Re1 Qxd2 34. Qe5+ Kxh7 35. Rh1+ Qh6 36. Rxh6+ Kxh6 37. Kc1 d2+ 38. Kd1 Re8 39. Qh2+ Kg7 40. Kxd2 Rcd8+ 41. Kc2 Re2+ 42. Kc1 Rdd2 43. Qf4 Rxb2 44. Qd4+ Kh6 45. Qh4+ Kg7 46. Qd4+ Kf8 47. Qd8+ Kg7 48. Qd4+ f6 49. g4 Rec2+ 50. Kd1 Rd2+ 51. Qxd2 Rxd2+ 52. Kxd2 Kf7 53. Ke3 Ke6 54. Kd4 Kd6 55. c4 b4 56. c5+ Kc6 57. axb4 axb4 58. Kc4 f5 59. gxf5 gxf5 60. Kxb4 f4 61. Kc3 Kd5 62. Kd3 Kxc5 63. Ke4 1/2-1/2

[Event "Sapporo Hokkaido-ch"]
[Site "Sapporo"]
[Date "2021.03.27"]
[Round "2"]
[White "Ikogba, Kelvin"]
[Black "Nishimori, Toshiyuki"]
[Result "0-1"]
[ECO "B50"]
[BlackElo "1712"]
[PlyCount "90"]
[EventDate "2021.03.27"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "JPN"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 d6 4. d3 Nf6 5. a3 Bg4 6. c3 Ne5 7. Nbd2 Nxc4 8. Nxc4 b5 9. Ncd2 e6 10. b4 Be7 11. Bb2 0-0 12. 0-0 Qb6 13. Qc2 a6 14. Rae1 Nd7 15. e5 d5 16. bxc5 Nxc5 17. d4 Bf5 18. Qc1 Nd3 19. Qa1 Nxe1 20. Rxe1 Rfc8 21. Nf1 h6 22. Ng3 Bh7 23. Bc1 Qa5 24. Bd2 Qxa3 25. Qd1 b4 26. cxb4 Bc2 27. Qe2 Bxb4 28. Bxb4 Qxb4 29. Nh5 Bg6 30. Nf4 Bh7 31. h4 a5 32. Qe3 Rc3 33. Qe2 a4 34. Nh5 a3 35. Nd2 Qxd4 36. Rd1 Qxh4 37. g4 Rh3 38. Ng3 a2 39. Ra1 Rxg3+ 40. fxg3 Qxg3+ 41. Kh1 Qc3 42. Qe1 Qh3+ 43. Kg1 Qxg4+ 44. Kh2 Ra3 45. Qf1 Bf5 0-1

[Event "Sapporo Hokkaido-ch"]
[Site "Sapporo"]
[Date "2021.03.27"]
[Round "3"]
[White "Wada, Katsuhiko"]
[Black "Ikogba, Kelvin"]
[Result "0-1"]
[ECO "A21"]
[PlyCount "90"]
[EventDate "2021.03.27"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "JPN"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 g6 3. e3 Bg7 4. Nf3 d6 5. d4 exd4 6. Nxd4 Nf6 7. g3 Bd7 8. Bg2 c6 9. Qb3 Qc7 10. e4 0-0 11. Bf4 Nh5 12. Be3 Na6 13. 0-0-0 Nc5 14. Qc2 Bxd4 15. Bxd4 Rfe8 16. f3 a6 17. Qd2 b5 18. g4 Ng7 19. Qh6 Nce6 20. Bf1 Nxd4 21. Rxd4 c5 22. Rd2 b4 23. Nb1 Be6 24. b3 a5 25. Qe3 a4 26. Rg1 axb3 27. Qxb3 Reb8 28. Qb2 Ra7 29. Rgg2 Rba8 30. Qf6 Ne8 31. Qf4 Qb8 32. Qe3 Ra4 33. Qb3 Nf6 34. g5 Nd7 35. f4 Nb6 36. f5 gxf5 37. exf5 Bxf5 38. Qf3 Bxb1 39. Kxb1 b3 40. axb3 Ra1+ 41. Kc2 R1a2+ 42. Kd1 Rxd2+ 43. Rxd2 Ra1+ 44. Ke2 Qe8+ 45. Kf2 Qe1+ 0-1

[Event "Sapporo Hokkaido-ch"]
[Site "Sapporo"]
[Date "2021.03.27"]
[Round "1"]
[White "Watanabe, Katsumi"]
[Black "Ikogba, Kelvin"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "1604"]
[PlyCount "131"]
[EventDate "2021.03.27"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "JPN"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 g6 6. d4 Bg7 7. c3 Ngf6 8. e5 dxe5 9. dxe5 Ng4 10. Re1 Ngxe5 11. Bf4 Nxf3+ 12. Qxf3 0-0 13. Nd2 Nf6 14. Qh3 Nh5 15. Be3 b6 16. Nf3 Qc7 17. Ng5 h6 18. Nf3 Kh7 19. g4 Nf4 20. Bxf4 Qxf4 21. Rxe7 Rfe8 22. Rxe8 Rxe8 23. Qg3 Qc4 24. h4 Re2 25. h5 Re4 26. hxg6+ fxg6 27. Nh2 Be5 28. Qg2 Bxh2+ 29. Kxh2 Qe6 30. Rg1 h5 31. Qh3 Qe5+ 32. Kh1 Qe6 33. f3 Re3 34. Rg3 Re2 35. gxh5 Qxh3+ 36. Rxh3 Rxb2 37. hxg6+ Kxg6 38. Rg3+ Kf5 39. Rg2 Rb5 40. Rg4 Ra5 41. Kg2 Rxa2+ 42. Kg3 a5 43. Rf4+ Ke5 44. Re4+ Kd5 45. c4+ Kd6 46. Kg4 a4 47. Kf5 Rh2 48. Re6+ Kd7 49. Rxb6 a3 50. Ra6 a2 51. f4 Rc2 52. Ra4 Rxc4 53. Rxa2 Kc6 54. Ke5 Rc1 55. f5 Rf1 56. Ke6 c4 57. f6 Re1+ 58. Kf7 Kc5 59. Kg8 Rg1+ 60. Kf8 c3 61. f7 Kd4 62. Ke7 Re1+ 63. Kd6 Rf1 64. Ke7 Re1+ 65. Kd6 Rf1 66. Ke7 1/2-1/2

