[Event "Dhaka Bangabandhu op-B"]
[Site "Dhaka"]
[Date "2021.03.12"]
[Round "4"]
[White "Haque, Rezaul"]
[Black "Ratnojoy, Tangchonga"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2002"]
[BlackElo "1800"]
[PlyCount "114"]
[EventDate "2021.03.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d3 d5 3. Bg5 Nc6 4. Nbd2 Qd6 5. e4 Bg4 6. Be2 Bxf3 7. Bxf3 dxe4 8. dxe4 h6 9. Be3 Ne5 10. 0-0 g5 11. Be2 Bg7 12. c3 0-0 13. f3 Rad8 14. Qb3 b6 15. Nc4 Nxc4 16. Bxc4 e5 17. Rad1 Qe7 18. Rxd8 Rxd8 19. Rd1 Rxd1+ 20. Qxd1 c6 21. a4 Kh7 22. b4 Bf8 23. Qb3 Kg7 24. Be2 Qc7 25. Qd1 Be7 26. Qd3 c5 27. b5 Bd6 28. Qd2 Be7 29. Bc4 Qd6 30. Bd5 Nd7 31. c4 Nf8 32. h4 gxh4 33. f4 Ng6 34. fxe5 Nxe5 35. Bf4 Qf6 36. Bxe5 Qxe5 37. Qf2 Bf6 38. Qf3 Qg5 39. Kh2 Be5+ 40. Kh3 f6 41. Qg4 Kg6 42. Qxh4 Qe3+ 43. g3 h5 44. Bc6 Qg5 45. Be8+ Kh6 46. Bf7 Bd6 47. Qxg5+ fxg5 48. Kg2 h4 49. gxh4 gxh4 50. Kh3 Kg5 51. Bg8 Bg3 52. Bd5 Be5 53. Bc6 Bg3 54. Bd7 Be5 55. Bf5 Bg3 56. Be6 Be5 57. Bd5 Bg3 1/2-1/2

[Event "Dhaka Bangabandhu op-B"]
[Site "Dhaka"]
[Date "2021.03.10"]
[Round "2"]
[White "Sacchu, Afzal Hossain"]
[Black "Ratnojoy, Tangchonga"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "1993"]
[BlackElo "1800"]
[PlyCount "145"]
[EventDate "2021.03.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CBM 201 Extra"]
[Source "ChessBase"]
[SourceDate "2021.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.05.31"]
[SourceQuality "1"]

1. Nf3 d6 2. g3 Nf6 3. Bg2 e5 4. d3 Be7 5. 0-0 Nc6 6. Nbd2 Bd7 7. h3 h6 8. a4 g5 9. Nc4 Bxh3 10. Bxh3 g4 11. Bg2 gxf3 12. exf3 Qd7 13. f4 h5 14. fxe5 dxe5 15. Bxc6 Qxc6 16. Nxe5 Qd5 17. Bf4 0-0-0 18. Qf3 Qe6 19. Rfe1 Nd5 20. Bd2 f5 21. c4 Nb4 22. Rac1 Rh7 23. c5 Nd5 24. c6 Rd6 25. cxb7+ Kxb7 26. Nc6 Qd7 27. Nxe7 Rxe7 28. Rxe7 Qxe7 29. Bb4 Qg5 30. Rc2 Rd7 31. Bd2 Qg6 32. b4 h4 33. Bf4 Kc8 34. Rc5 Qg4 35. Qxg4 fxg4 36. Bd2 hxg3 37. fxg3 Nb6 38. Bf4 Nxa4 39. Rg5 Nb2 40. Rxg4 Nxd3 41. Be3 a6 42. Re4 Kb7 43. g4 Kc6 44. g5 Rd6 45. Kg2 Kd5 46. Rh4 Ke5 47. Kf3 Kf5 48. Ke2 Ne5 49. Rh7 Rc6 50. Rh8 Rc2+ 51. Bd2 Rb2 52. Rf8+ Kg6 53. Rf6+ Kg7 54. Kd1 Rb3 55. Rxa6 Rf3 56. Kc2 Rf2 57. Ra7 Kg6 58. Rxc7 Nf3 59. Rc6+ Kf5 60. Rf6+ Ke5 61. Kc1 Rf1+ 62. Kc2 Rf2 63. Kc3 Ke4 64. Rd6 Rg2 65. b5 Ke5 66. Rd8 Nxd2 67. Rxd2 Rxg5 68. Kc4 Ke6 69. b6 Rg8 70. Kc5 Rc8+ 71. Kb5 Rb8 72. Kc6 Rc8+ 73. Kb7 1-0

[Event "BAN-chB 44th"]
[Site "Dhaka"]
[Date "2018.11.13"]
[Round "1"]
[White "Bhuiyan, Golam Mostafa"]
[Black "Ratnojoy, Tangchonga"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "2092"]
[BlackElo "1837"]
[PlyCount "73"]
[EventDate "2018.11.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Qb6 5. exd5 exd5 6. Bd3 c4 7. Be2 Nf6 8. 0-0 Bd6 9. c3 Nc6 10. b3 cxb3 11. axb3 0-0 12. Bd3 Bg4 13. h3 Bh5 14. Re1 Rae8 15. Ba3 Rxe1+ 16. Qxe1 Bxa3 17. Rxa3 Re8 18. Qa1 Ne4 19. b4 a6 20. Qa2 Qd8 21. g4 Bg6 22. Qc2 Qd6 23. Kg2 Qf4 24. Nb3 Re6 25. Qc1 Qc7 26. b5 Nb8 27. Ne5 h5 28. f4 hxg4 29. hxg4 f5 30. Bxe4 dxe4 31. Nc5 Rb6 32. g5 axb5 33. Ra8 Be8 34. Qa1 Kf8 35. Qa7 Nc6 36. Ne6+ Ke7 37. Rxe8+ 1-0

