[Event "Dhaka Zia Memorial"]
[Site "Dhaka"]
[Date "2025.07.11"]
[Round "9"]
[White "Ghosh, Chanchal Kumer"]
[Black "Siam, Chowdhury"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2018"]
[BlackElo "2032"]
[PlyCount "71"]
[EventDate "2025.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CB29_2025"]
[SourceDate "2025.07.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Rg1 e5 7. Nb3 Be6 8. Bg5 Be7 9. Qd2 Nbd7 10. 0-0-0 h6 11. Bh4 g5 12. Bg3 b5 13. f3 Nb6 14. Qe3 Nc4 15. Bxc4 bxc4 16. Nd2 Rb8 17. Ndb1 Qa5 18. a3 Qc7 19. Bf2 Qb7 20. Na4 Nd7 21. Qa7 Qxa7 22. Bxa7 Rb7 23. Be3 f5 24. Nbc3 f4 25. Bf2 Kf7 26. Rd2 Nf6 27. Rgd1 Rhb8 28. Rxd6 Bxd6 29. Rxd6 a5 30. Ra6 Bd7 31. Nc5 Rc7 32. Rxf6+ Kxf6 33. Nd5+ Kf7 34. Nxc7 Bc8 35. a4 g4 36. Nb5 1-0

[Event "Dhaka Zia Memorial"]
[Site "Dhaka"]
[Date "2025.07.10"]
[Round "8"]
[White "Siam, Chowdhury"]
[Black "Arman, Siddique"]
[Result "1-0"]
[ECO "B26"]
[WhiteElo "2032"]
[BlackElo "1796"]
[PlyCount "75"]
[EventDate "2025.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CB29_2025"]
[SourceDate "2025.07.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Rb8 7. Qd2 b5 8. f4 b4 9. Nd1 Bg4 10. c3 Qa5 11. Nf3 Nf6 12. h3 Bd7 13. 0-0 0-0 14. g4 Ne8 15. f5 Nc7 16. Bh6 bxc3 17. bxc3 Nb5 18. Bxg7 Kxg7 19. Rc1 Ne5 20. Nxe5 dxe5 21. Ne3 f6 22. g5 Nd6 23. Ng4 gxf5 24. gxf6+ Rxf6 25. Nxf6 exf6 26. Qf2 f4 27. Kh1 Qa3 28. Rg1 Be8 29. Bf3+ Bg6 30. h4 Kh8 31. h5 Bf7 32. Qh4 Ne8 33. Rc2 Bxa2 34. h6 Rb1 35. Bh5 Rxg1+ 36. Kxg1 Qb3 37. Rg2 Qe6 38. Bxe8 1-0

[Event "Dhaka Zia Memorial"]
[Site "Dhaka"]
[Date "2025.07.09"]
[Round "7"]
[White "Mohammad, Javed"]
[Black "Siam, Chowdhury"]
[Result "1-0"]
[ECO "E30"]
[WhiteElo "2129"]
[BlackElo "2032"]
[PlyCount "71"]
[EventDate "2025.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CB29_2025"]
[SourceDate "2025.07.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Bg5 Bb4+ 4. Nc3 c5 5. dxc5 h6 6. Bxf6 Qxf6 7. Rc1 Na6 8. a3 Bxc3+ 9. Rxc3 Nxc5 10. e3 Ne4 11. Rc2 b6 12. Nf3 Bb7 13. Be2 Rd8 14. Qd4 d5 15. cxd5 Qxd4 16. Bb5+ Kf8 17. Nxd4 Bxd5 18. 0-0 Nd6 19. a4 g5 20. Rc7 a5 21. f3 Nf5 22. Nxf5 exf5 23. Bd7 Bb3 24. Rfc1 Kg7 25. R1c3 Ba2 26. b3 h5 27. Kf2 Rh6 28. Rd3 f4 29. e4 g4 30. e5 Bb1 31. Rdc3 Kf8 32. R3c4 Bd3 33. Rxf4 gxf3 34. e6 f6 35. Bb5 Rh7 36. Rxf6+ 1-0

[Event "Dhaka Zia Memorial"]
[Site "Dhaka"]
[Date "2025.07.08"]
[Round "5"]
[White "Md, Eftekhar Alam"]
[Black "Siam, Chowdhury"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1999"]
[BlackElo "2032"]
[PlyCount "160"]
[EventDate "2025.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CB29_2025"]
[SourceDate "2025.07.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. e3 Bb7 5. Bd3 h6 6. Nbd2 Nh5 7. Bg3 Nxg3 8. hxg3 c5 9. c3 d6 10. 0-0 Be7 11. Qe2 Nd7 12. e4 0-0 13. Rfd1 cxd4 14. cxd4 d5 15. e5 Rc8 16. Rac1 Nb8 17. Nf1 Qd7 18. Bb5 Bc6 19. Bd3 Bb7 20. g4 Rxc1 21. Rxc1 Rc8 22. Qd2 Rxc1 23. Qxc1 Nc6 24. Ng3 Nb4 25. Bb1 Qc8 26. Qd2 Qd8 27. a3 Nc6 28. Nh5 Bg5 29. Nf4 Na5 30. g3 g6 31. Qd3 Bxf4 32. gxf4 Nc6 33. f5 Ne7 34. f6 Nc6 35. Qe3 Kh7 36. Qf4 Qf8 37. Qh2 Ba6 38. Qf4 Be2 39. Nh2 h5 40. Qc1 Na5 41. g5 Qd8 42. Qd2 Ba6 43. Qb4 Nc6 44. Qa4 Qc8 45. Qd1 Kg8 46. Nf3 Na5 47. Nh4 Qc4 48. Ng2 Nc6 49. Nf4 Nxd4 50. Bd3 Qc7 51. Bxa6 Qxe5 52. Ng2 Qe4 53. Qd3 Nf3+ 54. Kf1 Nh2+ 55. Kg1 Nf3+ 56. Kf1 Nh2+ 57. Kg1 Nf3+ 58. Kf1 Qxd3+ 59. Bxd3 Nxg5 60. Ke2 Nh7 61. Ne3 Nxf6 62. f3 g5 63. b4 Nd7 64. Nc2 f5 65. Nd4 Kf7 66. Ba6 g4 67. Nc6 Kf6 68. f4 Nf8 69. Nxa7 Ng6 70. Ke3 h4 71. Nc6 h3 72. Bf1 Nh4 73. Kf2 Ng6 74. Kg3 Nf8 75. Ne5 Ke7 76. Bb5 Nh7 77. a4 Nf6 78. Bd3 Nh5+ 79. Kh2 Nxf4 80. Bf1 Kd6 0-1

[Event "Dhaka Zia Memorial"]
[Site "Dhaka"]
[Date "2025.07.08"]
[Round "6"]
[White "Siam, Chowdhury"]
[Black "Avik, Sarker"]
[Result "1/2-1/2"]
[ECO "C42"]
[WhiteElo "2032"]
[BlackElo "1975"]
[PlyCount "37"]
[EventDate "2025.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CB29_2025"]
[SourceDate "2025.07.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. 0-0 0-0 8. c4 c6 9. Nc3 Nxc3 10. bxc3 dxc4 11. Bxc4 Bf5 12. Re1 Nd7 13. Bg5 Qc7 14. Be7 Bxe7 15. Rxe7 Qd6 16. Re3 b5 17. Bd3 Bxd3 18. Qxd3 Rfe8 19. Rae1 1/2-1/2

[Event "Dhaka Zia Memorial"]
[Site "Dhaka"]
[Date "2025.07.07"]
[Round "4"]
[White "Siam, Chowdhury"]
[Black "Khan, Nazrana"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "2032"]
[BlackElo "1862"]
[PlyCount "63"]
[EventDate "2025.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CB29_2025"]
[SourceDate "2025.07.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 Nd4 7. Nce2 d6 8. c3 Nxe2 9. Nxe2 Ne7 10. Qd2 Nc6 11. Bh6 0-0 12. h4 Ne5 13. Bxg7 Kxg7 14. h5 Kg8 15. 0-0-0 Qe7 16. Rdf1 Rb8 17. f4 Nc6 18. g4 b5 19. f5 f6 20. hxg6 hxg6 21. fxg6 Qg7 22. Nf4 e5 23. Rh7 exf4 24. Rxg7+ Kxg7 25. Qxf4 Ne5 26. Kb1 Rb6 27. Rh1 Kxg6 28. Qh6+ Kf7 29. g5 Ke8 30. gxf6 Nxd3 31. Qg6+ Kd8 32. Qg7 1-0

[Event "Dhaka Zia Memorial"]
[Site "Dhaka"]
[Date "2025.07.06"]
[Round "3"]
[White "Shah, Abheek"]
[Black "Siam, Chowdhury"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1882"]
[BlackElo "2032"]
[PlyCount "89"]
[EventDate "2025.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CB29_2025"]
[SourceDate "2025.07.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e5 7. Nde2 b5 8. Bg5 Bb7 9. Nd5 Bxd5 10. Bxf6 Qxf6 11. exd5 Qd8 12. 0-0 Be7 13. Ng3 g6 14. a4 bxa4 15. Qg4 Qd7 16. Qxa4 0-0 17. Qxd7 Nxd7 18. Bxa6 Nc5 19. Bb5 Rxa1 20. Rxa1 Rb8 21. c4 f5 22. Ne2 Bd8 23. Ra3 Bb6 24. Kf1 Ne4 25. f3 Nf6 26. b4 f4 27. Ra6 Kf7 28. Nc3 Bd4 29. Ne4 Nxe4 30. fxe4 Ke7 31. Ke2 g5 32. Rc6 h5 33. Rc7+ Kf6 34. Rh7 Ra8 35. Rh6+ Kg7 36. Rxd6 Ra2+ 37. Kd1 Rb2 38. c5 Rxb4 39. c6 Bb6 40. Bd3 Kf8 41. Rd7 Ke8 42. Rb7 Ba5 43. Rg7 Kd8 44. d6 Rd4 45. Rg8# 1-0

[Event "Dhaka Zia Memorial"]
[Site "Dhaka"]
[Date "2025.07.06"]
[Round "2"]
[White "Siam, Chowdhury"]
[Black "Zia, Tahsin Tajwar"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "2032"]
[BlackElo "2296"]
[PlyCount "104"]
[EventDate "2025.07.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CB29_2025"]
[SourceDate "2025.07.16"]
[SourceVersion "1"]
[SourceVersionDate "2025.07.16"]
[SourceQuality "1"]

1. e4 g6 2. Nc3 c6 3. d4 d6 4. g3 Bg7 5. Bg2 Nf6 6. h3 Nbd7 7. Nge2 Qc7 8. 0-0 0-0 9. Be3 e5 10. f4 exd4 11. Bxd4 b6 12. g4 Bb7 13. Ng3 b5 14. g5 Ne8 15. Bxg7 Nxg7 16. Qd2 Nb6 17. Qf2 Rae8 18. a3 a5 19. b3 Nc8 20. Rad1 b4 21. axb4 axb4 22. Na4 c5 23. c3 Qa5 24. Qd2 Bc6 25. cxb4 cxb4 26. Ra1 Qb5 27. Rfe1 Ne6 28. f5 Nc5 29. Nxc5 dxc5 30. f6 Qb8 31. Qf2 Re5 32. Qf4 h5 33. Rac1 Nb6 34. Qh4 Rd8 35. Nxh5 gxh5 36. Qxh5 Rd4 37. Qg4 Bd7 38. Qg3 Re8 39. Qh4 Qd6 40. Qh5 Re5 41. h4 Qxf6 42. Rf1 Qg6 43. Qe2 Rexe4 44. Bxe4 Rxe4 45. Qf3 Rg4+ 46. Kf2 Qd6 47. Ke1 Be6 48. Rc2 Rg3 49. Qf4 Qxf4 50. Rxf4 Nd7 51. Rd2 Ne5 52. Kf2 Rxb3 0-1

[Event "Dhaka op"]
[Site "Dhaka"]
[Date "2024.01.16"]
[Round "2"]
[White "Siam, Chowdhury"]
[Black "Mohammad, Minhaz Uddin"]
[Result "0-1"]
[ECO "C42"]
[WhiteElo "1822"]
[BlackElo "2224"]
[PlyCount "96"]
[EventDate "2024.01.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. 0-0 Be7 8. c4 Nb4 9. Re1 Nxd3 10. Qxd3 Nf6 11. h3 0-0 12. Nc3 dxc4 13. Qxc4 c6 14. Be3 Be6 15. Qd3 Nd5 16. Nxd5 Bxd5 17. Bf4 f6 18. b3 Rf7 19. Rad1 Bf8 20. Nd2 a5 21. Ne4 a4 22. Ra1 Bb4 23. Rec1 Qa5 24. a3 Bxe4 25. Qxe4 axb3 26. axb4 Qxa1 27. Rxa1 Rxa1+ 28. Kh2 b2 29. Qe8+ Rf8 30. Qe6+ Kh8 31. Qe7 Raa8 32. Qe4 Rfe8 33. Qc2 Re2 34. Qxe2 b1Q 35. Qe7 Qf5 36. Bg3 b5 37. Qb7 Qc8 38. Qe7 Qe8 39. Qd6 Rd8 40. Qc5 Rd5 41. Qb6 Qd7 42. Bc7 h5 43. Qb8+ Kh7 44. Bb6 Qd6+ 45. Qxd6 Rxd6 46. g3 Kg6 47. Kg2 Re6 48. f4 Re1 0-1

[Event "BAN-ch U18 41st"]
[Site "Dhaka"]
[Date "2023.12.30"]
[Round "8"]
[White "Aiyan, Rahman"]
[Black "Siam, Chowdhury"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "1602"]
[BlackElo "1852"]
[PlyCount "117"]
[EventDate "2023.12.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. Be3 Bb4 8. f3 0-0 9. Qd2 Nc6 10. a3 Be7 11. Qf2 d6 12. Be2 Ne5 13. Rc1 b6 14. 0-0 Bb7 15. Rfd1 Ned7 16. Nc2 Rac8 17. Na4 Nc5 18. Nc3 Ba8 19. b4 Ncd7 20. Nd4 Qb8 21. Nb3 Rfe8 22. Na4 Bd8 23. Bf4 Bc7 24. Nc3 Nh5 25. Be3 Nhf6 26. g3 Bb7 27. Na4 Ba8 28. Nc3 h6 29. Rb1 Bb7 30. Na4 d5 31. Nxb6 Nxb6 32. Bxb6 dxe4 33. f4 Ba8 34. Be3 Bd6 35. c5 Be7 36. Bxa6 Rcd8 37. Be2 Nd5 38. Rbc1 Qa7 39. Na5 Nxe3 40. Qxe3 Rc8 41. Nc4 Rb8 42. Nb6 Bd8 43. Nxa8 Rxa8 44. Rc3 Bf6 45. Rb3 Red8 46. Qxe4 Rxd1+ 47. Bxd1 Rd8 48. Bf3 g6 49. Rd3 Rb8 50. Kg2 Qa4 51. Bg4 Kg7 52. Qe3 h5 53. Bf3 h4 54. g4 Qc2+ 55. Rd2 Qb1 56. g5 Be7 57. Qe5+ Kh7 58. Qxb8 h3+ 59. Kf2 1-0

[Event "BAN-ch U18 41st"]
[Site "Dhaka"]
[Date "2023.12.27"]
[Round "4"]
[White "Nayem, Haque"]
[Black "Siam, Chowdhury"]
[Result "1-0"]
[ECO "B43"]
[WhiteElo "2076"]
[BlackElo "1852"]
[PlyCount "83"]
[EventDate "2023.12.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 b5 7. Bg2 Bb7 8. 0-0 Nf6 9. Re1 d6 10. a3 Nbd7 11. f4 Rb8 12. h3 e5 13. Nf5 g6 14. Ne3 Bg7 15. f5 Nb6 16. g4 h6 17. Qd3 g5 18. Kh1 Bf8 19. a4 b4 20. a5 bxc3 21. axb6 Qxb6 22. Nc4 cxb2 23. Bxb2 Qc7 24. Ba3 Rd8 25. Rad1 h5 26. Nxd6+ Bxd6 27. Bxd6 Qb6 28. gxh5 Nxh5 29. Qc3 f6 30. Bc7 Rc8 31. Bxb6 Rc7 32. Qc4 Rxc4 33. Rd6 Rc3 34. Rd8+ Ke7 35. Rxh8 Ng3+ 36. Kh2 Bc6 37. Bf2 Nxf5 38. exf5 Rxc2 39. Bxc6 Rxf2+ 40. Kg3 Rxf5 41. Rd1 Rf4 42. Rh7+ 1-0

[Event "Asia zt 3.2"]
[Site "Dhaka"]
[Date "2023.05.10"]
[Round "9"]
[White "Kazi Afsan Rawnak, Anan"]
[Black "Siam, Chowdhury"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1784"]
[BlackElo "1765"]
[PlyCount "47"]
[EventDate "2023.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 d6 8. 0-0 Nbd7 9. a4 Be7 10. f4 Rb8 11. Qe2 b6 12. e5 Nd5 13. Bxd5 exd5 14. Nxd5 Qc5 15. exd6 Qxd4+ 16. Rf2 0-0 17. dxe7 Qxd5 18. exf8Q+ Nxf8 19. Qf3 Qd4 20. Qd3 Qb4 21. Bd2 Qxb2 22. Bc3 Bf5 23. Qd4 Ne6 24. Qe5 1-0

[Event "Asia zt 3.2"]
[Site "Dhaka"]
[Date "2023.05.09"]
[Round "8"]
[White "Siam, Chowdhury"]
[Black "Ahmed, Shafiq"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1765"]
[BlackElo "2123"]
[PlyCount "124"]
[EventDate "2023.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3 Bd6 5. Bd3 Bg4 6. 0-0 Ne7 7. h3 Bh5 8. c3 Nd7 9. Bg5 f6 10. Be3 c6 11. Nbd2 Qc7 12. Qc2 0-0-0 13. c4 g5 14. c5 Bf4 15. Rfe1 Rde8 16. b4 Bg6 17. a4 Bxd3 18. Qxd3 Ng6 19. b5 Re7 20. Reb1 Bxe3 21. fxe3 Rhe8 22. Nf1 Kb8 23. N3d2 Ka8 24. Qb3 Nb8 25. Qc3 Qc8 26. a5 g4 27. hxg4 Qxg4 28. Nf3 Rg8 29. N1h2 Qe4 30. bxc6 Nxc6 31. Rb3 Reg7 32. Rb2 Nge7 33. a6 Nf5 34. axb7+ Kb8 35. Ra3 Re8 36. Re2 Nfxd4 37. Nxd4 Nxd4 38. Rf2 Reg8 39. Qb2 Nc6 40. Rb3 Na5 41. Rb4 Qxe3 42. Kh1 Nc4 43. Qe2 Qxc5 44. Rb1 Ne3 45. Rg1 d4 46. Qf3 f5 47. Qf4+ Rc7 48. Rd2 Rd8 49. Nf3 Qd6 50. Rxd4 Qxf4 51. Rxf4 Kxb7 52. Re1 Rc4 53. Rxc4 Nxc4 54. Re7+ Kb6 55. Rxh7 a5 56. Rh5 Rd5 57. g4 Rd1+ 58. Kg2 fxg4 59. Nh2 a4 60. Rh8 a3 61. Ra8 Na5 62. Rb8+ Ka7 0-1

[Event "Asia zt 3.2"]
[Site "Dhaka"]
[Date "2023.05.08"]
[Round "7"]
[White "Ghosh, Chanchal Kumer"]
[Black "Siam, Chowdhury"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2020"]
[BlackElo "1765"]
[PlyCount "71"]
[EventDate "2023.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bb4+ 5. c3 Bc5 6. Bc4 Qf6 7. Be3 Ne5 8. Be2 d6 9. f4 Ng6 10. 0-0 N8e7 11. Qd2 h6 12. Nb5 Bxe3+ 13. Qxe3 0-0 14. Nxc7 Rb8 15. f5 Ne5 16. Qxa7 N7c6 17. Qe3 Qd8 18. Nd5 f6 19. Na3 Ne7 20. Rad1 Bd7 21. Nc4 Nxc4 22. Nxe7+ Qxe7 23. Bxc4+ Kh8 24. Rf4 Rfd8 25. Rd3 Bc6 26. Be6 Ra8 27. Rh4 Kh7 28. Qf4 Bd7 29. Bb3 Bc6 30. Rdh3 Qf8 31. Qg3 Qe8 32. Be6 Bd7 33. Rg4 Qe7 34. Rg6 Bxe6 35. Rgxh6+ Kg8 36. Rh8+ 1-0

[Event "Asia zt 3.2"]
[Site "Dhaka"]
[Date "2023.05.07"]
[Round "6"]
[White "Siam, Chowdhury"]
[Black "Md Abzid, Rahman"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1765"]
[BlackElo "2083"]
[PlyCount "98"]
[EventDate "2023.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 e6 5. d3 d5 6. exd5 Nxd5 7. Nge2 Be7 8. 0-0 0-0 9. Nxd5 exd5 10. d4 Bg4 11. dxc5 d4 12. h3 Be6 13. Nf4 Bc4 14. Nd3 Bxd3 15. Qxd3 Bxc5 16. Qb5 Bb6 17. Bf4 a6 18. Qh5 Qd7 19. a3 Rad8 20. Rad1 Rfe8 21. Qf3 Qf5 22. Qb3 Qc5 23. Qd3 Ba7 24. Rfe1 b5 25. Bc7 Rc8 26. b4 Nxb4 27. axb4 Qxc7 28. Rxe8+ Rxe8 29. Ra1 Qd6 30. Qa3 Re6 31. Bb7 Qe7 32. Qf3 Rf6 33. Qd5 d3 34. cxd3 Bxf2+ 35. Kh1 Bxg3 36. Bxa6 g6 37. Qa8+ Kg7 38. Qe4 Qd6 39. Qg2 Qxd3 40. Rg1 Rxa6 41. Qxg3 Qe4+ 42. Rg2 Ra2 43. Qc3+ f6 44. Qc7+ Kh6 45. Qc1+ g5 46. Qf1 f5 47. Kg1 Qxg2+ 48. Qxg2 Rxg2+ 49. Kxg2 f4 0-1

[Event "Asia zt 3.2"]
[Site "Dhaka"]
[Date "2023.05.06"]
[Round "5"]
[White "Mohammad, Sagar"]
[Black "Siam, Chowdhury"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1968"]
[BlackElo "1765"]
[PlyCount "72"]
[EventDate "2023.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 h6 5. Nf3 Bc5 6. 0-0 d6 7. Na4 Bb6 8. c3 Bg4 9. b4 0-0 10. h3 Bh5 11. Qe2 Ne7 12. Nxb6 axb6 13. a4 Qd7 14. Bb3 b5 15. a5 b6 16. Bd2 bxa5 17. bxa5 c5 18. a6 Qc6 19. g4 Bg6 20. Nh4 Rxa6 21. g5 Rxa1 22. Rxa1 Bh5 23. f3 hxg5 24. Bxg5 d5 25. exd5 Nexd5 26. Qxe5 Re8 27. Qf5 g6 28. Bxd5 Nxd5 29. Ra6 Qxa6 30. Qxd5 Qa1+ 31. Kh2 Qxc3 32. Be7 Qe1 33. Bf6 Qf2+ 34. Ng2 Bxf3 35. Qg5 Bxg2 36. Qxg2 Qxf6 0-1

[Event "Asia zt 3.2"]
[Site "Dhaka"]
[Date "2023.05.05"]
[Round "4"]
[White "Siam, Chowdhury"]
[Black "Rayan, Rashid Mugdho"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1765"]
[BlackElo "1487"]
[PlyCount "36"]
[EventDate "2023.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 a6 4. Bg2 e5 5. d3 Nf6 6. h3 Be7 7. Be3 Be6 8. Nge2 Nbd7 9. 0-0 0-0 10. f4 Nb6 11. f5 Bd7 12. g4 Ne8 13. Qd2 f6 14. Ng3 c4 15. Kh2 cxd3 16. cxd3 Rc8 17. Qd1 Bc6 18. Qb3+ Kh8 1-0

[Event "Asia zt 3.2"]
[Site "Dhaka"]
[Date "2023.05.04"]
[Round "3"]
[White "Tashi, Tobgay"]
[Black "Siam, Chowdhury"]
[Result "0-1"]
[ECO "D08"]
[BlackElo "1765"]
[PlyCount "74"]
[EventDate "2023.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. Nc3 exd4 4. Qxd4 Nc6 5. Qd1 dxc4 6. e4 Qxd1+ 7. Nxd1 Be6 8. Ne3 Bb4+ 9. Bd2 Bxd2+ 10. Kxd2 Nf6 11. f3 0-0-0+ 12. Ke1 Nb4 13. a3 Nd3+ 14. Bxd3 Rxd3 15. Kf2 Rd2+ 16. Ne2 Rxb2 17. Rac1 b5 18. Rhd1 Rd8 19. Rxd8+ Kxd8 20. Rd1+ Ke7 21. g4 h6 22. h3 c5 23. f4 Nxe4+ 24. Kf3 Rxe2 25. Kxe4 f5+ 26. gxf5 Bxf5+ 27. Kxf5 Rxe3 28. Kg6 Rxa3 29. Kxg7 Rxh3 30. Re1+ Kd6 31. f5 h5 32. f6 Rg3+ 33. Kh6 Rf3 34. Kg7 b4 35. f7 c3 36. f8Q+ Rxf8 37. Kxf8 c2 0-1

[Event "Asia zt 3.2"]
[Site "Dhaka"]
[Date "2023.05.03"]
[Round "2"]
[White "Siam, Chowdhury"]
[Black "Mehdi, Hasan Parag"]
[Result "0-1"]
[ECO "C89"]
[WhiteElo "1765"]
[BlackElo "2219"]
[PlyCount "46"]
[EventDate "2023.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Be3 Ra7 16. Qd3 Re7 17. Nd2 Rfe8 18. Bxd5 cxd5 19. Nb3 Bg4 20. Bd2 Be2 21. Rxe2 Rxe2 22. Rb1 h5 23. Be3 R8xe3 0-1

[Event "Asia zt 3.2"]
[Site "Dhaka"]
[Date "2023.05.02"]
[Round "1"]
[White "Mohammed Abdul, Malek"]
[Black "Siam, Chowdhury"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "2087"]
[BlackElo "1765"]
[PlyCount "71"]
[EventDate "2023.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. b3 e6 5. Bb2 Nbd7 6. Be2 Bd6 7. Nc3 b6 8. 0-0 Bb7 9. Rc1 Rc8 10. d4 0-0 11. cxd5 cxd5 12. Nb5 Rxc1 13. Qxc1 Bb8 14. Ba3 Re8 15. Qc2 Ne4 16. Rc1 Qf6 17. Bd3 h6 18. Bxe4 dxe4 19. Nd2 Qg6 20. Bd6 e5 21. Bxb8 Rxb8 22. Nxa7 exd4 23. Qc7 dxe3 24. fxe3 Qe6 25. Nc4 Ba6 26. Rd1 Rb7 27. Qd8+ Kh7 28. Rd6 Qg4 29. Nc6 Bxc4 30. bxc4 Nc5 31. Ne7 Rxe7 32. Qxe7 f5 33. Qf7 Nd3 34. h3 Qg3 35. Qxf5+ g6 36. Qf7+ 1-0

[Event "Dhaka Metropolis op U2100"]
[Site "Dhaka"]
[Date "2022.10.17"]
[Round "1"]
[White "Siam, Chowdhury"]
[Black "Md Abzid, Rahman"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1542"]
[BlackElo "2045"]
[PlyCount "76"]
[EventDate "2022.10.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. exd5 Nxd5 4. Nxd5 Qxd5 5. d4 Nc6 6. Nf3 Bg4 7. Be2 0-0-0 8. Be3 e5 9. dxe5 Bxf3 10. Bxf3 Qxe5 11. Qe2 Bb4+ 12. Kf1 Qxb2 13. Rc1 Nd4 14. Qc4 Nxf3 15. gxf3 Bd2 16. Bxd2 Rxd2 17. Kg2 Qd4 18. Qxd4 Rxd4 19. Rhe1 Kd7 20. Re2 Re8 21. Rce1 Rxe2 22. Rxe2 c5 23. Kg3 b5 24. c3 Rd3 25. Rc2 Kc6 26. c4 b4 27. Kg4 Rc3 28. Re2 Rxc4+ 29. Kf5 a5 30. Re7 Rc2 31. Rxf7 Rxf2 32. Ke4 Rxa2 33. Rxg7 Rxh2 34. f4 b3 35. f5 b2 36. Rg1 a4 37. Rf1 Rf2 38. Rxf2 b1Q+ 0-1

[Event "BAN-chT2"]
[Site "Dhaka"]
[Date "2022.07.18"]
[Round "1.4"]
[White "Shawon, Chowdhury"]
[Black "Siam, Chowdhury"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1812"]
[BlackElo "1502"]
[PlyCount "38"]
[EventDate "2022.07.18"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Bangladesh Chess Arena"]
[BlackTeam "Manha's Castle"]
[WhiteTeamCountry "BAN"]
[BlackTeamCountry "BAN"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. Bd3 Nc6 8. Nxc6 bxc6 9. f4 d6 10. Be3 Be7 11. Qf3 Bb7 12. 0-0 0-0 13. Qg3 Rfe8 14. e5 Nd7 15. exd6 Bxd6 16. Ne4 Bf8 17. Bd4 c5 18. Be3 Bxe4 19. Bxe4 Rad8 0-1

[Event "Dhaka Marcel op"]
[Site "Dhaka"]
[Date "2022.04.23"]
[Round "5"]
[White "Siam, Chowdhury"]
[Black "Tutul, Dhar"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1505"]
[BlackElo "1983"]
[PlyCount "80"]
[EventDate "2022.04.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Nf3 Bf5 7. Bd3 Bd6 8. Bxf5 Qa5+ 9. c3 Qxf5 10. 0-0 0-0 11. Be3 Nd7 12. Re1 b5 13. Rc1 Nb6 14. b3 a5 15. c4 Bb4 16. Bd2 Ba3 17. Qc2 Qh5 18. Rcd1 a4 19. Bc1 Bb4 20. Bd2 Bxd2 21. Rxd2 Ra7 22. Rde2 b4 23. Re8 Ra8 24. Rxf8+ Rxf8 25. bxa4 Qa5 26. Rb1 Nxa4 27. Qb3 Nc3 28. Rb2 c5 29. dxc5 Rd8 30. h3 Qxc5 31. Qxb4 Qxb4 32. Rxb4 Nxa2 33. Rb7 h5 34. Kh2 Nc3 35. g4 Rd3 36. Kg2 Ne2 37. gxh5 Nf4+ 38. Kg3 Nxh5+ 39. Kg4 g6 40. h4 f5+ 0-1

[Event "Dhaka Marcel op"]
[Site "Dhaka"]
[Date "2022.04.20"]
[Round "2"]
[White "Sabya, Sachi"]
[Black "Siam, Chowdhury"]
[Result "1-0"]
[ECO "B80"]
[WhiteElo "1844"]
[BlackElo "1505"]
[PlyCount "49"]
[EventDate "2022.04.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. a3 Nf6 7. Be3 d6 8. Bd3 Be7 9. f3 Nbd7 10. Qd2 b5 11. 0-0 0-0 12. g4 h6 13. Nce2 Ne5 14. Ng3 Nc4 15. Bxc4 Qxc4 16. Kh1 Bb7 17. g5 hxg5 18. Bxg5 Qc7 19. Rg1 Rfd8 20. Bf4 e5 21. Bg5 Qd7 22. Ngf5 d5 23. Bh4 g6 24. Qh6 Bf8 25. Rxg6+ 1-0

[Event "Dhaka Marcel op"]
[Site "Dhaka"]
[Date "2022.04.19"]
[Round "1"]
[White "Siam, Chowdhury"]
[Black "Md, Sariatullah"]
[Result "0-1"]
[ECO "C60"]
[WhiteElo "1505"]
[BlackElo "1971"]
[PlyCount "84"]
[EventDate "2022.04.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd7 6. 0-0 Nf6 7. Re1 g6 8. h3 Bg7 9. d4 0-0 10. Nbd2 exd4 11. cxd4 Nb4 12. Bxd7 Qxd7 13. Qb3 a5 14. a3 Nc6 15. Nf1 a4 16. Qc2 Na5 17. Bg5 h6 18. Bh4 Rfe8 19. N1d2 b5 20. Rac1 Rac8 21. Qc3 Nb7 22. Bxf6 Bxf6 23. b4 c5 24. bxc5 dxc5 25. e5 cxd4 26. Qxd4 Qxd4 27. Nxd4 Rxc1 28. Rxc1 Rxe5 29. N4f3 Rd5 30. Rc8+ Kg7 31. Ne4 Bb2 32. Nc3 Bxc3 33. Rxc3 Nd6 34. Kf1 Nc4 35. Ke2 f5 36. Rd3 Rxd3 37. Kxd3 Nxa3 38. Kc3 Nc4 39. Nd4 Nd6 40. f3 Kf6 41. f4 g5 42. Ne2 Ke6 0-1

[Event "BAN-ch U20"]
[Site "Dhaka"]
[Date "2022.02.23"]
[Round "9"]
[White "Siam, Chowdhury"]
[Black "Shadat, Kibria Ayaan"]
[Result "0-1"]
[ECO "C78"]
[WhiteElo "1421"]
[BlackElo "1679"]
[PlyCount "130"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. c3 d6 8. Re1 0-0 9. h3 h6 10. d4 Bb6 11. Be3 Re8 12. Nbd2 Bb7 13. Bc2 Rb8 14. a4 Qd7 15. d5 Ne7 16. Bxb6 cxb6 17. Nf1 bxa4 18. Bxa4 b5 19. Bc2 Ng6 20. Ng3 Nf4 21. Nh2 Bc8 22. Nf5 Qd8 23. Ne3 Nh7 24. Nf5 Nf6 25. Qf3 Kh7 26. Ne3 Ra8 27. Nhg4 h5 28. Nh2 Rg8 29. c4 bxc4 30. Nxc4 g5 31. Qa3 Qc7 32. Qc3 g4 33. h4 Bd7 34. g3 Rgc8 35. b3 Nh3+ 36. Kg2 Qc5 37. Qe3 Qxe3 38. Rxe3 Bb5 39. Rc3 Rc5 40. Rc1 a5 41. Bd3 Rac8 42. Nf1 Bxc4 43. Rxc4 Rxc4 44. Rxc4 Rb8 45. Bc2 Kg7 46. Ne3 Rb6 47. Ra4 Nd7 48. Rxa5 Nc5 49. Ra3 Rb4 50. Nf5+ Kf6 51. Nxd6 Rd4 52. Nf5 Rd2 53. Kf1 Rxf2+ 54. Ke1 Rxc2 55. d6 Ke6 56. b4 Nxe4 57. Rd3 Kd7 58. b5 Ng1 59. Rd5 Rc1+ 60. Rd1 Nf3+ 61. Ke2 Nc3+ 62. Kd3 e4+ 63. Ke3 Nxd1+ 64. Kxe4 Rb1 65. b6 Rb4+ 0-1

[Event "BAN-ch U20"]
[Site "Dhaka"]
[Date "2022.02.22"]
[Round "8"]
[White "Amartya, Barua"]
[Black "Siam, Chowdhury"]
[Result "0-1"]
[ECO "E01"]
[WhiteElo "1114"]
[BlackElo "1421"]
[PlyCount "115"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. g3 e6 5. Bg2 Nbd7 6. Qc2 Bd6 7. 0-0 0-0 8. b3 b6 9. Rd1 Bb7 10. Nc3 Rc8 11. e4 dxe4 12. Nxe4 Nxe4 13. Qxe4 Nf6 14. Qc2 Qe7 15. Bb2 c5 16. Re1 cxd4 17. Nxd4 Bxg2 18. Nf5 Qd8 19. Nxd6 Qxd6 20. Kxg2 Qe7 21. Qc1 Rfd8 22. Qg5 Rd7 23. Re2 Rcd8 24. Rae1 Ne8 25. Qe5 Qd6 26. Qh5 Qc6+ 27. f3 Rd3 28. Re4 Rd2+ 29. R1e2 Rxe2+ 30. Rxe2 Rd3 31. Be5 h6 32. Bf4 Nf6 33. Qe5 Rxf3 34. Qb8+ Kh7 35. Kh3 Qd7 36. Qe5 Rd3 37. Kg2 Qb7+ 38. Kh3 Qf3 39. Qb2 Qf1+ 40. Rg2 Qxf4 41. Rf2 Rf3 42. Qc2+ Qf5+ 43. Qxf5+ Rxf5 44. Rd2 Kg6 45. Rd8 Rf2 46. a4 e5 47. Ra8 Rb2 48. Rxa7 Rxb3 49. Rb7 Rc3 50. Rxb6 Rxc4 51. a5 e4 52. Kg2 e3 53. Kf3 Ra4 54. Ra6 Ra3 55. Ra8 Nd5 56. Ra6+ Kf5 57. g4+ Kg5 58. Kg3 0-1

[Event "BAN-ch U20"]
[Site "Dhaka"]
[Date "2022.02.21"]
[Round "7"]
[White "Siam, Chowdhury"]
[Black "Sakline Mostafa, Sajid"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1421"]
[BlackElo "2089"]
[PlyCount "43"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. Bg2 Nf6 6. d4 cxd4 7. Qxd4 Nc6 8. Qd1 Bc5 9. Nge2 0-0 10. 0-0 Bg4 11. h3 Bf5 12. Bg5 Nb4 13. Rc1 Be6 14. a3 Nc6 15. Kh2 Ng4+ 16. hxg4 Qxg5 17. Nf4 Ne5 18. Bf3 Bxg4 19. Bxg4 Nxg4+ 20. Kg2 Bxf2 21. Rxf2 Ne3+ 22. Kg1 0-1

[Event "BAN-ch U20"]
[Site "Dhaka"]
[Date "2022.02.20"]
[Round "6"]
[White "SM Zahin, Al Aziz"]
[Black "Siam, Chowdhury"]
[Result "0-1"]
[ECO "B43"]
[BlackElo "1421"]
[PlyCount "124"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. Be3 Nf6 7. Qd2 Be7 8. 0-0-0 Nc6 9. Nb3 d6 10. Be2 b5 11. a3 Bb7 12. Bg5 Rd8 13. h4 h6 14. Bxf6 Bxf6 15. f4 Na5 16. Nxa5 Qxa5 17. Nd5 Qxd2+ 18. Rxd2 exd5 19. exd5 0-0 20. g4 g6 21. g5 Bg7 22. h5 Kh7 23. Bd3 Bxd5 24. hxg6+ fxg6 25. Bxg6+ Kxg6 26. Rxd5 Rxf4 27. gxh6 Bxh6 28. Kb1 Rf5 29. Rxf5 Kxf5 30. Rxh6 Ke5 31. Ka2 Kd5 32. b4 Re8 33. Kb3 Re3+ 34. c3 Re6 35. Rh8 Ke4 36. Ra8 d5 37. a4 d4 38. axb5 axb5 39. Ra5 d3 40. Ra1 d2 41. Kc2 Rd6 42. Kd1 Kd3 43. Ra2 Kxc3 44. Rc2+ Kb3 45. Rxd2 Rxd2+ 46. Kxd2 Kxb4 47. Kd3 Ka3 48. Kc2 b4 49. Kb1 Kb3 50. Kc1 Ka2 51. Kc2 b3+ 52. Kd3 b2 53. Kd4 b1Q 54. Kc5 Qe4 55. Kd6 Qf5 56. Kc6 Kb3 57. Kd6 Kc4 58. Kc6 Qd5+ 59. Kb6 Qd6+ 60. Ka5 Qb8 61. Ka6 Kc5 62. Ka5 Qb5# 0-1

[Event "BAN-ch U20"]
[Site "Dhaka"]
[Date "2022.02.19"]
[Round "5"]
[White "Siam, Chowdhury"]
[Black "Mortuza Mahathir, Islam"]
[Result "0-1"]
[ECO "B26"]
[WhiteElo "1421"]
[BlackElo "1877"]
[PlyCount "108"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 Rb8 7. Nge2 b5 8. Qd2 b4 9. Nd1 Nd4 10. 0-0 e6 11. c3 Nxe2+ 12. Qxe2 bxc3 13. bxc3 Ba6 14. Qd2 Ne7 15. f4 0-0 16. Nf2 Qa5 17. Nd1 d5 18. Rf2 dxe4 19. Bxe4 Nd5 20. Rc1 Nxe3 21. Nxe3 Rfd8 22. c4 Qa3 23. Rd1 Bd4 24. Kf1 Bxe3 25. Qxe3 Bxc4 26. Rdd2 Rb1+ 27. Kg2 Bd5 28. Rfe2 Qc1 29. Qf2 Qa3 30. Rc2 Bxe4+ 31. dxe4 Rd4 32. Red2 Qb4 33. Re2 a5 34. Re3 Rxe4 35. Rxe4 Qxe4+ 36. Kh3 Qd4 37. Qf3 Rb8 38. Qa3 Qb4 39. Qe3 c4 40. Qd4 Rc8 41. Qd7 Qc5 42. Rc3 h5 43. Qd2 Qf5+ 44. Kg2 Qd5+ 45. Qxd5 exd5 46. Kf3 d4 47. Rc1 f5 48. Ke2 Kf7 49. Kd2 Ke6 50. Re1+ Kd6 51. Re5 c3+ 52. Kc2 d3+ 53. Kc1 c2 54. Rb5 d2+ 0-1

[Event "BAN-ch U20"]
[Site "Dhaka"]
[Date "2022.02.18"]
[Round "4"]
[White "Shekh, Ripon"]
[Black "Siam, Chowdhury"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1421"]
[PlyCount "78"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Nc3 e6 4. e3 Nbd7 5. Bd3 b6 6. 0-0 Bb7 7. Ng5 h6 8. Nf3 Be7 9. Nh4 0-0 10. Qd2 Ne4 11. Nxe4 dxe4 12. Be2 Bxh4 13. f3 exf3 14. gxf3 Qg5+ 15. Kh1 Nf6 16. Rg1 Qf5 17. e4 Qh7 18. e5 Ne8 19. Bd3 Bxf3+ 20. Rg2 Bxg2+ 21. Kxg2 Qh8 22. Qe3 Bg5 23. Qf3 Rd8 24. h3 Rxd4 25. Be3 Bxe3 26. Qxe3 Rd5 27. Rg1 g6 28. c4 Rxe5 29. Qf3 Rg5+ 30. Kf1 Rxg1+ 31. Kxg1 Qd4+ 32. Kh1 Nf6 33. b4 Rd8 34. a4 Qxd3 35. Qxf6 Qd1+ 36. Kg2 Rd2+ 37. Kg3 Rd3+ 38. Kf2 Qc2+ 39. Ke1 Rd1# 0-1

[Event "BAN-ch U20"]
[Site "Dhaka"]
[Date "2022.02.17"]
[Round "3"]
[White "Siam, Chowdhury"]
[Black "Khondoker Sakib, Ur Rahman"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1421"]
[PlyCount "107"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 d6 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. d3 c6 6. Nge2 e5 7. 0-0 Be6 8. h3 Qc7 9. Be3 0-0 10. Qd2 Nbd7 11. Bh6 Kh8 12. Bxg7+ Kxg7 13. f4 exf4 14. Nxf4 Rfe8 15. d4 Nb6 16. b3 Rac8 17. Rac1 Bd7 18. d5 cxd5 19. Ncxd5 Qc5+ 20. Kh2 Nxe4 21. Bxe4 Rxe4 22. c4 Qd4 23. Rcd1 Qe5 24. Nxb6 axb6 25. Qxd6 Qxd6 26. Rxd6 Bc6 27. Rfd1 Rce8 28. R1d2 f6 29. Kg1 b5 30. cxb5 Bxb5 31. Kf2 Bc6 32. Re2 Rxe2+ 33. Nxe2 g5 34. a4 Re5 35. Nd4 Be8 36. Rb6 Kg6 37. Rxb7 Rd5 38. Ke3 Bd7 39. g4 h5 40. b4 Bxa4 41. Nf3 hxg4 42. hxg4 Rb5 43. Rxb5 Bxb5 44. Nd4 Bd7 45. Kf3 f5 46. gxf5+ Bxf5 47. b5 Kf6 48. Nxf5 Ke6 49. Ke4 Kd7 50. Kd5 Kc7 51. Kc5 g4 52. b6+ Kb7 53. Ng3 Kc8 54. Kc6 1-0

[Event "BAN-ch U20"]
[Site "Dhaka"]
[Date "2022.02.16"]
[Round "2"]
[White "Sayeed Muhammed, Anwar"]
[Black "Siam, Chowdhury"]
[Result "0-1"]
[ECO "D30"]
[BlackElo "1421"]
[PlyCount "82"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BAN"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 e6 4. Nf3 c5 5. c4 Nbd7 6. 0-0 Bd6 7. cxd5 exd5 8. Re1 0-0 9. Nc3 b6 10. e4 dxe4 11. Nxe4 Nxe4 12. Bxe4 Rb8 13. Be3 Nf6 14. Bg5 h6 15. Bxf6 Qxf6 16. h3 Bb7 17. Ne5 Bxe5 18. dxe5 Qe6 19. Bc2 Rbd8 20. Qc1 Rfe8 21. Qf4 Rd4 22. Qg3 Red8 23. Bb3 Bd5 24. f4 Bxb3 25. axb3 R8d7 26. Qf3 Qd5 27. Qxd5 R4xd5 28. f5 Re7 29. f6 Rexe5 30. Rxe5 Rxe5 31. fxg7 Re3 32. Rxa7 Rxb3 33. Ra2 Kxg7 34. Kf2 Rd3 35. Ke2 Rd6 36. Ra3 Kf6 37. Rf3+ Ke7 38. Re3+ Re6 39. Rxe6+ Kxe6 40. Kd3 Kd5 41. g4 f6 0-1

