[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.01"]
[Round "6.1"]
[White "Manon, Reja Neer"]
[Black "Mehdi, Hasan Parag"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "1989"]
[BlackElo "2230"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,75,18,21,18,0,0,0,0,0,-3,0,0,0,0,-18,27,0,59,70,98,23,123,-19,-6,-20,-21,-79,51,0,29,0,0,-104,-124,-159,-162,-159,0,0,75,84,74,94,110,130,94,120,255,247,290,296,1495,1497,1429,1346,1360,1344,1381,1375,1051,1004]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. O-O Nbd7 9. f4 Rc8 {B92: Sicilian Najdorf: 6 Be2.} 10. Be3 Be7 {[%cal Oc8c3]} 11. f5 Bc4 {The position is equal.} 12. Nd2 Bxe2 13. Qxe2 b5 14. a3 O-O 15. Rad1 Nb6 (15... Re8 {might be stronger.}) 16. Kh1 (16. g4 $5 {[%cal Rg4g5]}) 16... Re8 (16... h6 $11) 17. g4 $1 $14 {[#] Black must now prevent Bxb6.} h6 $146 ({Predecessor:} 17... Nc4 18. Nxc4 Rxc4 19. Qg2 Qa8 20. Nd5 Rxe4 21. Nc7 Qc6 22. Nxe8 Nxe8 23. Bc1 Rc4 24. Qxc6 Rxc6 {0-1 (51) Kubicki,U (1896)-Herrmann,A (2163) Lehrte 2017}) 18. Qg2 (18. g5 $16 hxg5 19. Bxg5) 18... a5 (18... d5 $11 {remains equal.}) 19. h4 ({Better is} 19. g5 $16 hxg5 20. Bxg5) 19... b4 $11 20. axb4 axb4 21. Na2 (21. Ne2 $11 Nc4 22. Nxc4 Rxc4 23. g5 Rxe4 24. gxf6 Rxh4+ 25. Kg1 Bxf6 26. Bf2) 21... Nh7 ({Don't play} 21... Rxc2 22. g5 hxg5 23. hxg5 Rxb2 24. gxf6 Bxf6 25. Rg1 $14) ({Black should play} 21... Nc4 $1 $17 {[%cal Rc4e3]} 22. Nxc4 Rxc4) 22. Nxb4 (22. g5 $1 $14 hxg5 23. hxg5 Bxg5 24. Rg1 $1) 22... Bxh4 23. b3 {Inhibits Nc4.} (23. Nf3 $5 {[%cal Rb2b3]}) 23... Nf6 {[%cal Bh7f6,Bf6e4,Be4g5,Bg5f3][%mdl 32]} 24. Nf3 (24. Rf3 $11) 24... Nxe4 $17 25. Nxh4 Qxh4+ 26. Kg1 {[#]} Rc3 $2 27. Rf3 $1 $11 {aiming for Rh3.} ({Wrong is} 27. Bxb6 $2 Rg3 28. Rd3 Rxg2+ 29. Kxg2 Qxg4+ 30. Kh1 Qe2 $19) 27... Qd8 {[#]} (27... Rxe3 $1 $11 {keeps the balance.} 28. Rxe3 Nf2 29. Rxd6 Nxg4) 28. Rh3 $1 $16 Rxe3 29. Rxe3 Ng5 30. Qc6 $36 {[%mdl 2048] White is on the roll.} Nc8 31. Nd5 {[%cal Of5f6] White is much more active. Black has bad knights.} e4 (31... Ne7 $16 32. Nxe7+ Qxe7) 32. f6 $18 Nf3+ 33. Kg2 gxf6 $2 {[#]} (33... Kf8 34. Qc3 gxf6 35. Qxf6 Qxf6 36. Nxf6 Re6) 34. Qxe8+ $3 {[%mdl 576] Deflection, Decoy. White is clearly winning.} Qxe8 35. Nxf6+ Kf8 36. Nxe8 Kxe8 37. Rxe4+ Ne5 {[#]} 38. Rxd6 $3 {[%mdl 512] White used his chance.  Weighted Error Value: White=0.30/Black=0.41} 1-0

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.01"]
[Round "6.2"]
[White "Mollah Abdullah, Al Rakib"]
[Black "Hossain, Enamul"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2459"]
[BlackElo "2398"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,62,-3,-14,-10,9,15,13,13,0,-14,-14,-12,-7,-25,0,-16,0,-4,34,0,0,0,0,-3,0,-6,0,-14,13,4,22,18,16,13,18,10,57,58,54,52,36,30,38,0,0,0,0,0,0,0,0,0,0,0,0]} 1. b4 d5 2. Bb2 Bf5 3. e3 e6 4. Nf3 c6 5. c4 Nf6 6. a3 {A00: Irregular Openings.} a5 7. b5 Be7 8. bxc6 bxc6 9. cxd5 {[#]} exd5 $146 ({Predecessor:} 9... cxd5 10. Bb5+ Nbd7 11. Nd4 Bg6 12. Nc3 Bd6 13. Na4 O-O 14. Nc6 Qc7 15. Rc1 Qb7 {1-0 (46) Heinzel,O (2300)-Merz,M Germany 1996}) 10. Be2 O-O 11. O-O Qb6 12. Qc1 c5 13. Nc3 Na6 14. Nh4 Bd7 15. Rb1 {[%cal Oc3d5]} Rab8 16. Qc2 Qe6 {Inhibits Nf5.} 17. Nf3 h6 {Prevents Ng5.} 18. Ba1 Rfc8 19. Rxb8 Rxb8 20. Rb1 Rxb1+ 21. Qxb1 c4 22. d3 Bxa3 (22... cxd3 $1 $11 23. Bxd3 (23. Nd4 Qe5 $14) 23... Nc5) 23. dxc4 $1 $14 dxc4 24. Qa2 $1 {[%csl LRa3,LRc4]} Qd6 25. Bxc4 Be6 26. Nd4 {[%cal Rd4e6]} Bxc4 {The position is equal.} 27. Qxc4 Bb4 28. Qc8+ Kh7 29. Qf5+ Kg8 30. Qc8+ Kh7 31. Qf5+ Kg8 {Weighted Error Value: White=0.04 (flawless) /Black=0.08 (flawless)} 1/2-1/2

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.01"]
[Round "6.3"]
[White "Murshed, Niaz"]
[Black "Chatterjee, Debaraj"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2419"]
[BlackElo "2204"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,97,29,25,19,33,-11,-12,-11,-13,-24,-4,-16,9,12,0,0,0,0,0,-4,2,-40,0,0,0,-22,11,0,0,0,0,-37,0,-45,0,-1,8,20,3,3,33,-80,0,0,0,0,545,193,142,91,251,210,470,449,434,434,339,116,87,85,793,858,847,823,816,807,735,684,681,580,1392,613,1290,1276,1139,737,29972,29973,12847,6079]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 O-O 5. e4 d6 6. h3 e5 7. d5 a5 8. Bg5 Na6 9. Be2 Qe8 10. Nd2 Nd7 11. g4 {E92: King's Indian: Classical: 6 Be2 e5: 7 dxe5, 7 Be3 and Petrosian System without 7...Nbd7.} Ndc5 12. O-O (12. a3 $14) 12... f6 $11 13. Be3 {The position is equal.} f5 14. f3 {[#]} Qe7 $146 ({Predecessor:} 14... Kh8 15. Kg2 Bd7 16. b3 Qe7 17. a3 Rae8 18. Rb1 Bc8 19. b4 axb4 20. axb4 Nd7 {0-1 (42) Purdon,C (2057)-De Coverly,R (2002) England 2015}) 15. Kh2 Bf6 16. exf5 gxf5 17. Rg1 Kh8 18. g5 Bg7 19. a3 Bd7 20. Qf1 (20. Qc2 $11) 20... a4 21. Re1 Be8 22. Bd1 Qd7 (22... e4 {seems wilder.} 23. Be2 Bh5 24. h4 Kg8 25. Qg2 Nb3) 23. Bc2 Bh5 24. Qf2 Rae8 25. Nf1 Re7 26. h4 (26. Nd2 $11) 26... e4 (26... Qe8 $1 $15 {is superior.}) 27. f4 Nd3 28. Bxd3 exd3 29. Ng3 Bg4 30. h5 (30. Bd4 $14 {keeps the upper hand.}) 30... Rfe8 ({Black should try} 30... h6 $1 $17 {[%cal Rh6g5]} 31. g6 Rfe8) 31. h6 $36 {[%mdl 2048] Black is under pressure.} Bxc3 32. bxc3 Be2 $2 {[%mdl 8192]} (32... b6 $11 {and Black has nothing to worry.}) 33. Nxe2 $2 (33. Rxe2 dxe2 34. Bd4+ Kg8 35. Qe1) 33... Rxe3 $18 {[#]} 34. Nc1 (34. Ng3 $142 $1 Rxe1 35. Rxe1 Rxe1 36. Qxe1) 34... Qe7 {[#]} (34... Rxe1 $16 35. Rxe1 Rxe1 36. Qxe1 Nc5) 35. Nxd3 $1 {[%cal Od3e5][%mdl 512] Black must now prevent Ne5!} Qe4 {To avoid Ne5} (35... Re2 36. Qxe2 Qxe2+ 37. Rxe2 Rxe2+ 38. Kg3 Kg8) (35... Kg8 36. Qh4) 36. Rxe3 Qxe3 37. Qxe3 Rxe3 {[%mdl 4096] Endgame [#] KRN-KRN} 38. Rd1 (38. Re1 $1 $18 {and the rest is easy.} Rxe1 39. Nxe1) 38... Kg8 $16 39. Kg2 {[%cal Oc4c5]} Nc5 $2 {[%mdl 8192]} (39... b6 $16) 40. Nxc5 $18 dxc5 {KR-KR} 41. d6 cxd6 42. Rxd6 Rxc3 43. Rd8+ Kf7 44. Rd7+ Kg6 45. Rg7+ Kh5 46. Rxh7 Rxa3 47. Rxb7 {And now Rb6 would win.} Kg4 48. h7 Ra2+ 49. Kf1 {Weighted Error Value: White=0.46/Black=0.79} 1-0

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.01"]
[Round "6.4"]
[White "Rahman, Ziaur"]
[Black "Islam, Khandaker Aminul"]
[Result "1-0"]
[ECO "E16"]
[WhiteElo "2413"]
[BlackElo "2155"]
[Annotator "TA"]
[PlyCount "79"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,79,26,18,73,70,70,65,81,59,96,107,116,94,149,145,171,161,157,155,158,145,150,149,166,166,237,239,242,239,246,252,244,252,253,250,248,243,369,262,264,262,279,279,283,279,279,278,306,268,311,266,349,270,372,372,387,364,397,385,458,466,475,329,405,396,547,554]} 1. d4 {ChessBase II} Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 a5 5. Bg2 O-O 6. Nf3 b6 7. O-O Bb7 {is more profitable than 7...Ba6 at the moment.} 8. Bf4 {[%cal Oc4c5]} Bd6 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+.} (8... Be7 $11) 9. Bxd6 $16 cxd6 10. Nc3 Na6 {White is slightly better.} 11. d5 Nc5 {[#]} 12. Nd4 $146 {[%cal Bf3d4,Bd4c2,Bc2e3][%mdl 32]} ({Predecessor:} 12. Ne1 Rb8 13. Nc2 Ba6 14. Na3 Ne8 15. Qd2 e5 16. Nab5 Bxb5 17. Nxb5 Qe7 18. Rfb1 {1-0 (39) Kots,Y-Zhidkov,V Kiev 1968 EXT 2013 [ChessBase II]}) 12... Qe7 13. Re1 Rfc8 (13... exd5 $142 14. cxd5 (14. Nxd5 Nxd5 15. cxd5 f5 $14) 14... Ng4) 14. e4 g6 15. b3 e5 16. Nc2 Ba6 17. Ne3 Rab8 18. Qe2 $1 Ne8 19. Rab1 Nc7 {[#]} (19... Rc7 $142 20. a3 a4) 20. a3 $1 $18 {[%cal Ba2a3,Ba3b4,Bb4b5][%mdl 32]} b5 21. b4 axb4 22. axb4 Na4 23. Nxa4 bxa4 24. b5 Bb7 25. Rb4 {[%cal Bb1b4,Bb4a4,Ba4a7][%mdl 32]} Na8 (25... Qd8 $142 26. Rxa4 Ra8) 26. Rxa4 Nb6 27. Ra7 Rc5 {[#]} 28. Bf1 $1 Qd8 29. h4 {[%cal Bh2h4,Bh4h5][%mdl 32]} Nc8 30. Ra2 Nb6 31. Qg4 Rcc8 32. Ra7 Kh8 33. Be2 Qe7 34. h5 Rg8 35. Kg2 Nc8 36. Raa1 Nb6 37. Rh1 {And now hxg6 would win.} Rbf8 38. Qh3 {Inhibits f5.} Rg7 39. Ra7 Bc8 40. Qh4 {White took control after the opening.  Weighted Error Value: White=0.15 (very precise) /Black=0.37} 1-0

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.01"]
[Round "6.5"]
[White "Md., Sharif Hossain"]
[Black "Zia, Tahsin Tajwar"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2211"]
[BlackElo "2232"]
[Annotator "TA"]
[PlyCount "140"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,140,18,12,23,0,14,0,-5,-8,17,-10,0,-99,-5,0,12,21,19,27,22,21,23,23,15,13,0,13,24,24,17,0,41,45,50,46,58,31,48,52,29,25,81,81,84,97,122,122,154,158,282,280,258,256,256,256,256,256,256,256,267,256,256,256,252,245,244,222,256,241,392,400,394,373,410,415,409,405,416,375,422,429,439,430,427,420,504,509,543,542,531,466,515,500,536,542,543,542,536,529,622,626,863,841,757,596,564,301,302,305,297,228,223,239,194,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Ne2 Bg4 {[%cal Bc8g4,Bg4h5,Bh5g6][%mdl 32]} 7. f3 {7.0-0 injects fresh life into this line.} Bh5 8. Bf4 Qd7 {B13: Caro-Kann: Exchange Variation and Panov-Botvinnik Attack.} 9. O-O e6 10. Bg3 Bg6 11. Nf4 Bd6 {[#]} 12. Re1 $146 ({Predecessor:} 12. Qe2 Nge7 13. Nd2 Qc7 14. Nxg6 hxg6 15. Bxd6 Qxd6 16. f4 O-O-O 17. g3 Kb8 18. Nf3 {0-1 (65) Shkapenko,P (2425)-Turov,M (2594) Tallinn 2016}) 12... Nge7 13. Na3 (13. Nxg6 $11 hxg6 14. Bxd6 Qxd6 15. g3) 13... a6 (13... Bxd3 $17 14. Nxd3 Bxa3 15. bxa3 b6) 14. Nc2 $11 Qc7 15. Nxg6 hxg6 16. Bxd6 Qxd6 17. g3 Nf5 {[%cal Oh8h2] Hoping for ...Rxh2!} 18. f4 O-O-O 19. Qg4 Nce7 20. Re2 Rh5 21. Qf3 Rdh8 22. Rg2 Rh3 (22... g5 $11 {feels stronger.}) 23. Qe2 $1 $14 Qb6 24. Ne1 {[%cal Bc2e1,Be1f3,Bf3e5][%mdl 32]} Nh6 25. Rd1 Nef5 26. Rd2 Kb8 27. Nf3 Ng4 (27... Nd6 $1 $11 {keeps the balance.}) 28. Bxf5 $16 ({But not} 28. Ng5 $2 {[#]} Nxd4 $1 {[%mdl 512]} 29. cxd4 (29. Qxg4 $2 Nf3+ 30. Kf1 Nxd2+ 31. Rxd2 Rxh2 $19) 29... Qxd4+ 30. Kf1 Ne3+ 31. Kg1 Nxg2+ 32. Qf2 Qxf2+ 33. Rxf2 Nxf4 $1 $19 {[%mdl 512]}) 28... gxf5 29. Ne5 Nf6 {Prevents Nd7+.} 30. Nxf7 Ne4 31. Nxh8 Rxh8 (31... Nxd2 $16 {keeps fighting.} 32. Qxd2 Rxh8) 32. Rc2 $18 Ka8 33. Qd3 g5 34. fxg5 Nxg5 35. Kf1 Ne4 36. Ke1 Qc7 37. Qf1 {Prevents f4.} Qa5 38. a3 Qa4 39. Qf4 Qc4 40. Qe3 Re8 41. Rce2 {[%cal Bc2e2,Be2e3,Be3f3,Bf3f1][%mdl 32]} e5 $2 (41... Rg8 {was necessary.} 42. Kf1 Qc8) 42. dxe5 Rxe5 43. Kf1 Re6 44. Qd4 {And now Qxc4 would win.} Qc6 45. a4 Re8 46. Re3 f4 47. gxf4 Qh6 48. Rf3 Qh5 49. Qd1 Nf6 50. Kg1 Re3 51. Rf1 Qf5 52. Rg5 Qe6 53. Re5 Qg8+ 54. Kh1 Rh3 55. Rg5 Qh7 56. Qe2 Ne4 {[%cal Bf6e4,Be4d2,Bd2f1][%mdl 32]} 57. Qg2 {Prevents Ng3+. Black must now prevent Rg8+.} Re3 58. Rg8+ Ka7 59. Qg1 d4 60. cxd4 Nd2 61. Qxe3 {d5+ would kill now.} Nxf1 {[%csl Gf1][%cal Rh7h2][%mdl 4096] Endgame KQR-KQN} 62. Qg1 {White wants to mate with d5+.} Qe4+ 63. Qg2 Qe1 {[%csl Ge1][%cal Rf1g3]} 64. Qg1 $2 {To avoid Ng3+} (64. Qh3 $18 Qe4+ 65. Kg1) 64... Qe4+ $11 {The position is equal.} 65. Rg2 ({Less strong is} 65. Qg2 Qe1 66. Qh3 Qe4+ 67. Kg1 Nd2 $18) 65... Ng3+ $1 66. hxg3 {White threatens Qd1 and mate.} Qh7+ $1 67. Qh2 Qb1+ $1 68. Rg1 Qe4+ 69. Rg2 Qb1+ $1 70. Qg1 Qh7+ {Blacks defense is rewarded with a draw.  Weighted Error Value: White=0.10 (very precise) /Black=0.24 (precise)} 1/2-1/2

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.01"]
[Round "6.6"]
[White "Mohammad, Minhaz Uddin"]
[Black "Subrota, Biswas"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2259"]
[BlackElo "2199"]
[Annotator "TA"]
[PlyCount "89"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,89,34,19,16,12,48,24,33,18,12,12,18,6,3,21,23,17,79,-32,0,0,0,0,0,-5,0,0,-6,-16,0,-76,-69,-91,-84,-112,-102,-173,-172,-333,-196,-195,-172,-158,-169,-256,-149,-123,-73,-62,30,31,178,185,389,376,452,449,532,539,539,520,520,507,755,772,855,852,820,766,715,639,1793,1855,1588,1092,29957,12847]} 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 O-O 8. Qc2 {Active counter play!} Re8+ {B15: Caro-Kann: 3 Nc3: 3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} 9. Ne2 h5 (9... f5 $5) 10. Be3 Nd7 {White has an edge.} 11. O-O-O Nf8 12. c4 {[%cal Bc3c4,Bc4c5][%mdl 32]} Be6 13. Kb1 Rc8 14. a3 b5 15. c5 $1 Bc7 {[#]} (15... Bb8 $1 $11) 16. Bf5 $146 ({White should try} 16. Nc3 $1 $16) ({Predecessor:} 16. d5 Bxd5 17. Nc3 Be5 18. Nxd5 cxd5 19. Bxb5 Rb8 20. Qa4 Qc8 21. Rd2 Rd8 22. Ba6 {0-1 (38) Abu Sufian,S (2242)-Wong,Y (2381) Tornelo INT 2021}) 16... Rb8 17. Bxe6 $1 fxe6 18. Nf4 b4 {...bxa3 is the strong threat.} 19. a4 b3 20. Qc4 a5 {next ...Bxf4 is good for Black.} 21. Nd3 Ng6 22. Rc1 (22. g3 $11) 22... Nh4 $17 23. g3 Nf3 24. Rcd1 Qd7 25. h4 (25. Bd2 $17) 25... Red8 $19 26. Bd2 $2 (26. Nc1) 26... Nxd4 (26... Qxd4 $142 27. Qxd4 Nxd2+ 28. Kc1 Rxd4 29. Kxd2 Rbd8) 27. Bc3 {Threatens to win with Nc1.} Qd5 $1 28. Qxd5 Rxd5 29. Nc1 (29. Bxd4 $142 Rxd4 30. Nc1 Rxa4 31. Rhe1) 29... Nf5 ({Better is} 29... Nf3 $19 30. Rd3 Rxd3 31. Nxd3 e5) 30. Rxd5 $17 exd5 (30... cxd5 $142 31. Rd1 Bd8) 31. Rd1 Be5 (31... Bd8 $15) 32. Bxa5 $11 Bd4 {[#] Loses the game.} (32... Ra8 $1 $14 33. Nxb3 Kf7) 33. Bb6 $1 $18 Bxf2 $2 (33... Kf7 34. Nxb3 Bxf2) 34. Rf1 Bxc5 35. Bxc5 Nxg3 {[#]} 36. Bd6 $1 {[%csl LRb8,LRg3][%mdl 512]} Nxf1 37. Bxb8 Nd2+ 38. Ka1 g5 39. a5 {[%cal Ba4a5,Ba5a6,Ba6a7][%mdl 32] Black must now prevent a6.} Nc4 40. a6 {And now Bc7 would win.} Nb6 41. a7 Kf7 42. Nxb3 {Strongly threatening Ka2.} Kg6 43. Ka2 Kf5 44. Ka3 {Hoping for Kb4.} gxh4 45. Kb4 {Weighted Error Value: White=0.20 (precise) /Black=0.52} 1-0

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.01"]
[Round "6.7"]
[White "Nayem, Haque"]
[Black "Reefat, Bin-Sattar"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "2091"]
[BlackElo "2394"]
[Annotator "TA"]
[PlyCount "66"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,66,14,16,11,22,-1,0,4,24,14,39,12,24,10,44,29,29,32,37,0,0,-11,-18,-88,15,17,4,0,0,0,0,15,44,38,29,0,166,149,156,151,159,146,149,114,142,15,18,-2458,-1350,-29997,-29997,-29998,-29999]} 1. d4 e6 2. c4 b6 3. Nf3 Bb7 4. Nc3 f5 5. g3 Bb4 6. Bd2 a5 7. Bg2 Nf6 8. O-O O-O 9. Rc1 {A84: Dutch Defence: 2 c4 Miscellaneous.} Na6 {[#]} 10. d5 $146 ({Predecessor:} 10. a3 Bxc3 11. Bxc3 Qe7 12. Re1 Rae8 13. Qb3 Ra8 14. Ne5 Bxg2 15. Kxg2 Nb8 16. Nd3 d6 {1-0 (68) Rasmussen,A (2499)-Hansen,S (2569) Skorping 2014}) 10... Qe8 11. a3 {The position is equal.} Bxc3 12. Bxc3 exd5 (12... Ne4 {is more complex.} 13. dxe6 Qxe6 14. Ng5 Qe7 15. Nxe4 fxe4 16. b4 axb4 17. axb4 Nxb4 18. Bxb4 Qxb4 19. Qxd7 Rf7) 13. Bxf6 Rxf6 14. cxd5 f4 (14... a4 $5) 15. Re1 Qh5 $1 16. Rc4 Re8 (16... Bxd5 $2 17. g4 $1 {[%mdl 512]} Qe8 18. Qxd5+ $18) 17. Qd2 (17. Rd4 $14 {was preferrable.}) 17... fxg3 $11 ({Don't play} 17... Bxd5 18. g4 $1 {[%mdl 512]} (18. Rxf4 Rxf4 19. Qxf4 d6 $11) 18... Qf7 19. Ng5 $1 Bxc4 20. Nxf7 Rxf7 21. Rc1 $16) 18. hxg3 Nc5 (18... Bxd5 $2 19. Rh4 Bxf3 20. Rxh5 Bxh5 21. Qxd7 $18) 19. Ng5 (19. Rd1 $11 {remains equal.}) 19... h6 ({Resist} 19... Rh6 20. Rh4 Qg6 21. Rxh6 gxh6 22. Nh3 $16) (19... Nb3 $1 $17 {[%cal Rb3d2]} 20. Qd1 Qxg5 21. Qxb3 Bxd5) 20. Ne4 Nxe4 21. Rxe4 Ref8 22. Rh4 Qf7 23. Bf3 g5 24. Rd4 Rf5 25. Rf1 h5 $2 {[#]} (25... Ba6 $11 {and Black is okay.}) 26. Bxh5 $1 $18 {[%mdl 512]} Qf6 {[%cal Rf5f2]} (26... Qg7 27. Bg4) 27. e4 Re5 28. f4 $36 {[%mdl 2048] Rf3 is the strong threat. Black is under strong pressure.} Re7 {[%cal Be5e7,Be7h7,Bh7h1][%mdl 32]} 29. Rf2 Rh7 {[#]} 30. Bg4 (30. e5 $1 $16 {[%cal Re5f6]} Qg7 31. Bf3) 30... Qh8 $11 31. Bf5 $2 {[%mdl 8192] [#]} (31. f5 $11 Rh1+ 32. Kg2) 31... Rxf5 $1 {[%mdl 512]} 32. exf5 (32. Rg2 Rh1+) 32... Rh1+ 33. Kg2 g4 {Weighted Error Value: White=0.75/Black=0.44} 0-1

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.03"]
[Round "7.1"]
[White "Reefat, Bin-Sattar"]
[Black "Manon, Reja Neer"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2394"]
[BlackElo "1989"]
[Annotator "TA"]
[PlyCount "42"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,42,27,25,21,199,170,196,180,199,207,294,292,338,331,344,331,350,349,610,610,631,612,1048,1022,974,1016,972,958,1602,1556,29997]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Bc4 Bg4 6. f3 Bf5 7. Nge2 e6 {7...Nbd7 is vanishing.} 8. Bd2 {[%cal Oc3d5] B01: Scandinavian Defence.} c6 {Inhibits Nd5.} (8... Qb6 $11 {and Black is okay.}) 9. g4 $18 {And now Ne4 would win.} Bg6 {[#] Inhibits Ne4.} 10. h4 $1 {[#] Black must now prevent h5. White is clearly better.} b5 $146 ({Predecessor:} 10... h6 11. Nf4 Bh7 12. Qe2 Nbd7 13. g5 hxg5 14. hxg5 Qxg5 15. O-O-O O-O-O 16. Nxe6 Qf5 17. Rxh7 Rxh7 18. Nxd8 Kxd8 {1-0 (34) Warmerdam,M (2420)-Beerdsen,T (2476) Chess.com INT 2018}) 11. Nxb5 Qb6 (11... Bb4 $142) 12. Nbc3 h5 {[#]} 13. Nf4 $1 Bh7 14. Qe2 hxg4 15. fxg4 (15. Nxe6 fxe6 16. fxg4 (16. Qxe6+ Kd8 $15) 16... Kd8 $14) 15... Qxd4 $2 (15... Bxc2 16. g5 Qxb2) 16. O-O-O {White is clearly winning.} ({Not} 16. Be3 Qe5 $16) 16... Be7 17. g5 ({Less strong is} 17. Be3 Qe5 $16) 17... Ne4 18. g6 Bxg6 19. Nxg6 Ng3 20. Qf3 Qxc4 21. Ne5 Bf8 {White took control after the opening.  Weighted Error Value: White=0.00 (flawless) /Black=0.58} 1-0

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.03"]
[Round "7.2"]
[White "Subrota, Biswas"]
[Black "Nayem, Haque"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2199"]
[BlackElo "2091"]
[Annotator "ChessBase"]
[PlyCount "141"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. a3 {[%emt 0:01:20]} d5 {[%emt 0:00:07]} 2. Nf3 {[%emt 0:00:02]} Nf6 {[%emt 0:00:06]} 3. e3 {[%emt 0:00:06]} e6 {[%emt 0:00:10]} 4. d4 {[%emt 0:00:43]} Be7 {[%emt 0:00:02]} 5. Nbd2 {[%emt 0:00:04]} O-O {[%emt 0:01:42]} 6. c4 {[%emt 0:00:27]} b6 {[%emt 0:00:02]} 7. cxd5 {[%emt 0:00:01]} exd5 {[%emt 1:31:51]} 8. Bd3 {[%emt 0:01:22]} Bb7 {[%emt 0:00:30]} 9. Qc2 {[%emt 0:00:10]} Nbd7 {[%emt 0:00:00]} 10. Ne5 {[%emt 0:00:44]} c5 {[%emt 0:00:00]} 11. f4 {[%emt 1:31:01]} cxd4 {[%emt 0:00:00]} 12. exd4 {[%emt 0:00:00]} Rc8 {[%emt 0:00:00]} 13. Qa4 {[%emt 0:00:00]} Nxe5 {[%emt 0:02:30]} 14. fxe5 {[%emt 0:01:30]} Ne4 {[%emt 0:00:30]} 15. Nf3 {[%emt 0:00:00]} Bc6 {[%emt 0:00:00]} 16. Qd1 {[%emt 0:01:00]} Qd7 {[%emt 0:00:00]} 17. Qe2 {[%emt 0:00:00]} f5 {[%emt 0:01:30]} 18. exf6 {[%emt 0:01:00]} Bxf6 {[%emt 0:00:30]} 19. O-O {[%emt 0:00:00]} Rce8 {[%emt 0:00:00]} 20. Qc2 {[%emt 0:00:00]} Ba4 {[%emt 0:01:00]} 21. b3 {[%emt 0:01:30]} Bb5 {[%emt 0:00:00]} 22. Bb2 {[%emt 0:00:30]} Rc8 {[%emt 0:00:00]} 23. Qe2 {[%emt 0:00:00]} Bxd3 {[%emt 0:00:00]} 24. Qxd3 {[%emt 0:01:00]} Qc7 {[%emt 0:02:00]} 25. Rac1 {[%emt 0:00:30]} Qf4 {[%emt 0:00:30]} 26. Rce1 {[%emt 0:00:30]} Qc7 {[%emt 0:00:00]} 27. Re2 {[%emt 0:00:00]} Rfd8 {[%emt 0:01:00]} 28. g3 {[%emt 0:01:00]} a5 {[%emt 0:00:30]} 29. Rc1 {[%emt 0:00:00]} Qb7 {[%emt 0:00:00]} 30. Rec2 {[%emt 0:00:00]} Rxc2 {[%emt 0:00:00]} 31. Qxc2 {[%emt 0:00:00]} Bg5 {[%emt 0:01:30]} 32. Qc7 {[%emt 0:00:00]} Qxc7 {[%emt 0:00:00]} 33. Rxc7 {[%emt 0:00:00]} Be3+ {[%emt 0:00:00]} 34. Kf1 {[%emt 0:00:00]} Bh6 {[%emt 0:00:00]} 35. Bc1 {[%emt 0:00:00]} Bxc1 {[%emt 0:00:00]} 36. Rxc1 {[%emt 0:00:00]} h6 {[%emt 0:02:30]} 37. Ke2 {[%emt 0:04:30]} Re8 {[%emt 0:00:00]} 38. Ne5 {[%emt 0:00:00]} Rf8 {[%emt 0:00:00]} 39. Ke3 {[%emt 0:00:00]} Rf2 {[%emt 0:01:30]} 40. Rc8+ {[%emt 0:00:00]} Kh7 {[%emt 0:00:00]} 41. Rd8 {[%emt 0:00:00]} Rb2 {[%emt 0:00:00]} 42. Rxd5 {[%emt 0:00:00]} Nc3 {[%emt 0:00:00]} 43. Rd8 {[%emt 0:00:00]} Rxb3 {[%emt 0:00:00]} 44. Kf4 {[%emt 0:00:00]} Ne2+ {[%emt 0:11:32]} 45. Ke4 {[%emt 0:00:00]} Rxa3 {[%emt 0:01:20]} 46. d5 {[%emt 0:00:00]} Ra4+ {[%emt 0:00:46]} 47. Kd3 {[%emt 0:00:00]} Nc1+ {[%emt 0:03:13]} 48. Kc2 {[%emt 0:00:00]} Re4 {[%emt 0:04:41]} 49. Nd7 {[%emt 0:00:00]} Rc4+ {[%emt 0:01:11]} 50. Kd2 {[%emt 0:00:00]} Nb3+ {[%emt 0:12:47]} 51. Kd3 {[%emt 0:00:00]} b5 {[%emt 0:00:00]} 52. Rb8 {[%emt 0:00:00]} Nc5+ {[%emt 0:00:00]} 53. Nxc5 {[%emt 0:00:00]} Rxc5 {[%emt 0:00:00]} 54. Kd4 {[%emt 0:00:00]} Rc4+ {[%emt 0:00:00]} 55. Ke5 {[%emt 0:00:00]} Rc2 {[%emt 0:00:00]} 56. d6 {[%emt 0:00:00]} Re2+ {[%emt 0:00:00]} 57. Kf5 {[%emt 0:00:00]} Rd2 {[%emt 0:00:00]} 58. Ke6 {[%emt 0:00:00]} Re2+ {[%emt 0:00:00]} 59. Kf7 {[%emt 0:00:00]} Rf2+ {[%emt 0:00:00]} 60. Ke7 {[%emt 0:00:00]} Re2+ {[%emt 0:00:00]} 61. Kd8 {[%emt 0:00:00]} a4 {[%emt 0:00:00]} 62. d7 {[%emt 0:00:00]} b4 {[%emt 0:01:41]} 63. Rxb4 {[%emt 0:13:09]} a3 {[%emt 0:00:10]} 64. Rd4 {[%emt 0:00:28]} a2 {[%emt 0:00:55]} 65. Rd1 {[%emt 0:00:11]} Rd2 {[%emt 0:00:41]} 66. Rxd2 {[%emt 0:30:42]} a1=Q {[%emt 0:00:06]} 67. Rd6 {[%emt 0:00:00]} Qa5+ {[%emt 0:00:57]} 68. Ke7 {[%emt 0:01:00]} Qg5+ {[%emt 0:00:14]} 69. Kf7 {[%emt 0:00:00]} Qf5+ {[%emt 0:00:26]} 70. Ke7 {[%emt 0:00:00]} Qg5+ {[%emt 0:00:07]} 71. Kf7 {[%emt 0:00:00]} 1/2-1/2

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.03"]
[Round "7.3"]
[White "Zia, Tahsin Tajwar"]
[Black "Mohammad, Minhaz Uddin"]
[Result "1/2-1/2"]
[ECO "A90"]
[WhiteElo "2232"]
[BlackElo "2259"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,54,26,34,26,28,27,37,21,26,18,28,23,23,22,16,10,12,15,20,2,25,11,39,8,22,2,19,4,4,-16,-7,-36,0,-2,0,0,11]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 O-O 6. Nc3 d6 7. Nf3 Bxc3 8. Bxc3 {[%cal Bd2c3,Bc3e1,Be1f2,Bf2d4][%mdl 32]} Ne4 9. Qc2 f5 10. O-O Nd7 11. Be1 {[#] A90: Dutch Defence: Miscellaneous and Modern Stonewall (with ...Bd6).} e5 $146 ({Predecessor:} 11... Ndf6 12. Nd2 e5 13. Nxe4 Nxe4 14. Rd1 exd4 15. Rxd4 Re8 16. Bd2 Nxd2 17. Rxd2 Rb8 18. Rfd1 Be6 {1-0 (52) Robertson-Cable,C England 1980}) 12. dxe5 Nxe5 13. Nxe5 {White is slightly better.} (13. Nd4 {feels hotter.} g6 14. Rc1 Re8 15. f3 Nc5 16. b3) 13... Qxe5 14. Rc1 (14. f3 {with more complications.} Nc5 15. b4 Ne6 16. Rd1 f4 17. e4) 14... Qe7 15. f3 Nf6 16. Bf2 b6 {Prevents c5.} 17. Rfe1 Be6 18. Bd4 Rae8 {[%cal Ba8e8,Be8e7,Be7e6][%mdl 32]} 19. b3 Bd7 {[%cal Be6d7,Bd7c6,Bc6g2][%mdl 32]} 20. e3 Qf7 21. Re2 Qh5 22. Rf1 Re7 23. Qd3 Bc6 24. Ref2 Nd7 25. Qd1 Re6 26. g4 Qh4 {aiming for ...Rh6.} 27. f4 Bxg2 {An even fight not without its subleties.  Weighted Error Value: White=0.10 (very precise) /Black=0.08 (flawless)} 1/2-1/2

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.03"]
[Round "7.4"]
[White "Islam, Khandaker Aminul"]
[Black "Md., Sharif Hossain"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2155"]
[BlackElo "2211"]
[Annotator "ChessBase"]
[PlyCount "161"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:00:04]} d5 {[%emt 0:00:23]} 2. c4 {[%emt 0:00:05]} e6 {[%emt 0:00:14]} 3. Nc3 {[%emt 0:00:03]} Nf6 {[%emt 0:00:10]} 4. Nf3 {[%emt 0:00:59]} Nbd7 {[%emt 0:01:10]} 5. cxd5 {[%emt 0:01:43]} exd5 {[%emt 0:00:06]} 6. Bg5 {[%emt 0:00:10]} Be7 {[%emt 0:01:02]} 7. e3 {[%emt 0:00:06]} O-O {[%emt 0:00:16]} 8. Qc2 {[%emt 0:00:35]} Re8 {[%emt 0:01:42]} 9. Bd3 {[%emt 0:00:42]} h6 {[%emt 0:02:52]} 10. Bf4 {[%emt 0:00:46]} a6 {[%emt 1:27:35]} 11. O-O {[%emt 0:02:02]} Bd6 {[%emt 0:00:00]} 12. Bxd6 {[%emt 0:00:14]} cxd6 {[%emt 0:00:00]} 13. Qb3 {[%emt 1:29:31]} Nb6 {[%emt 0:00:00]} 14. a4 {[%emt 0:00:00]} Be6 {[%emt 0:02:00]} 15. Rfc1 {[%emt 0:00:00]} Nc4 {[%emt 0:00:00]} 16. Rc2 {[%emt 0:00:00]} Re7 {[%emt 0:01:00]} 17. Qa2 {[%emt 0:02:00]} Na5 {[%emt 0:00:30]} 18. Nd2 {[%emt 0:00:00]} Rc8 {[%emt 0:00:30]} 19. Rac1 {[%emt 0:00:00]} Rec7 {[%emt 0:00:00]} 20. b4 {[%emt 0:00:00]} Nc4 {[%emt 0:00:00]} 21. Nf1 {[%emt 0:00:00]} b6 {[%emt 0:00:00]} 22. Ne2 {[%emt 0:00:00]} Qd7 {[%emt 0:00:00]} 23. Nf4 {[%emt 0:00:00]} b5 {[%emt 0:00:00]} 24. Ra1 {[%emt 0:00:00]} Bf5 {[%emt 0:00:00]} 25. Bxf5 {[%emt 0:00:00]} Qxf5 {[%emt 0:00:00]} 26. Ng3 {[%emt 0:00:00]} Qh7 {[%emt 0:00:00]} 27. Rcc1 {[%emt 0:00:00]} g5 {[%emt 0:00:00]} 28. Ngh5 {[%emt 0:00:00]} Nxh5 {[%emt 0:00:00]} 29. Nxh5 {[%emt 0:00:00]} Qg6 {[%emt 0:00:00]} 30. Ng3 {[%emt 0:00:00]} h5 {[%emt 0:00:00]} 31. axb5 {[%emt 0:00:00]} axb5 {[%emt 0:00:00]} 32. Nf1 {[%emt 0:00:00]} g4 {[%emt 0:00:00]} 33. Qe2 {[%emt 0:00:00]} h4 {[%emt 0:00:00]} 34. Re1 {[%emt 0:00:00]} f5 {[%emt 0:01:21]} 35. Kh1 {[%emt 0:00:00]} Re7 {[%emt 0:01:14]} 36. Qa2 {[%emt 0:01:00]} Rb8 {[%emt 0:01:04]} 37. Qb1 {[%emt 0:03:12]} Qe6 {[%emt 0:01:25]} 38. Qd3 {[%emt 0:01:56]} Kg7 {[%emt 0:01:20]} 39. f3 {[%emt 0:00:35]} Rbe8 {[%emt 0:01:52]} 40. Ra2 {[%emt 0:00:00]} f4 {[%emt 0:00:00]} 41. fxg4 {[%emt 0:06:24]} fxe3 {[%emt 0:02:38]} 42. h3 {[%emt 0:00:34]} Qe4 {[%emt 0:01:23]} 43. Qc3 {[%emt 0:01:34]} Qf4 {[%emt 0:14:42]} 44. Rae2 {[%emt 0:04:18]} Re4 {[%emt 0:00:30]} 45. Nh2 {[%emt 0:09:58]} Qf6 {[%emt 0:05:16]} 46. Nf3 {[%emt 0:05:47]} Rf4 {[%emt 0:06:05]} 47. Rxe3 {[%emt 0:00:12]} Rxe3 {[%emt 0:01:09]} 48. Rxe3 {[%emt 0:00:02]} Nxe3 {[%emt 0:00:16]} 49. Qxe3 {[%emt 0:00:01]} Re4 {[%emt 0:00:19]} 50. Qd3 {[%emt 0:02:12]} Re7 {[%emt 0:01:32]} 51. Qxb5 {[%emt 0:01:12]} Ra7 {[%emt 0:00:46]} 52. Qf1 {[%emt 0:01:08]} Qf4 {[%emt 0:01:18]} 53. Qe1 {[%emt 0:04:56]} Rc7 {[%emt 0:01:06]} 54. Ng1 {[%emt 0:01:17]} Qg3 {[%emt 0:01:41]} 55. Qd2 {[%emt 0:00:32]} Kg6 {[%emt 0:00:49]} 56. Nf3 {[%emt 0:00:12]} Ra7 {[%emt 0:00:15]} 57. Qg5+ {[%emt 0:00:40]} Kf7 {[%emt 0:00:30]} 58. Qxd5+ {[%emt 0:00:10]} Ke7 {[%emt 0:00:47]} 59. Qg5+ {[%emt 0:00:39]} Kf7 {[%emt 0:00:19]} 60. Qf5+ {[%emt 0:00:28]} Ke8 {[%emt 0:00:43]} 61. Qh5+ {[%emt 0:00:29]} Kd8 {[%emt 0:00:25]} 62. Qxh4+ {[%emt 0:00:32]} Qxh4 {[%emt 0:00:01]} 63. Nxh4 {[%emt 0:00:02]} Rb7 {[%emt 0:00:20]} 64. Nf5 {[%emt 0:00:04]} Kd7 {[%emt 0:00:17]} 65. Kh2 {[%emt 0:00:33]} Rxb4 {[%emt 0:00:21]} 66. Kg3 {[%emt 0:00:04]} Ke6 {[%emt 0:00:13]} 67. Kf4 {[%emt 0:01:17]} Rb8 {[%emt 0:00:36]} 68. h4 {[%emt 0:00:10]} d5 {[%emt 0:00:53]} 69. g5 {[%emt 0:01:09]} Rb2 {[%emt 0:00:21]} 70. g4 {[%emt 0:00:16]} Rf2+ {[%emt 0:00:56]} 71. Ke3 {[%emt 0:00:15]} Rf1 {[%emt 0:00:56]} 72. h5 {[%emt 0:00:27]} Rg1 {[%emt 0:00:43]} 73. Kf3 {[%emt 0:00:06]} Kf7 {[%emt 0:00:15]} 74. g6+ {[%emt 0:00:33]} Kf6 {[%emt 0:00:33]} 75. g7 {[%emt 0:00:21]} Kf7 {[%emt 0:00:17]} 76. h6 {[%emt 0:00:07]} Rh1 {[%emt 0:00:35]} 77. g5 {[%emt 0:00:16]} Rf1+ {[%emt 0:00:22]} 78. Kg4 {[%emt 0:00:12]} Rg1+ {[%emt 0:00:29]} 79. Kf4 {[%emt 0:00:42]} Re1 {[%emt 0:00:19]} 80. g6+ {[%emt 0:00:08]} Kg8 {[%emt 0:00:22]} 81. h7# {[%emt 0:00:03]} 1-0

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.03"]
[Round "7.5"]
[White "Chatterjee, Debaraj"]
[Black "Rahman, Ziaur"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "2204"]
[BlackElo "2413"]
[Annotator "ChessBase"]
[PlyCount "89"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:05:23]} d6 {[%emt 1:31:00]} 2. Nf3 {[%emt 0:00:48]} Nf6 {[%emt 0:00:30]} 3. c4 {[%emt 0:00:20]} g6 {[%emt 0:00:00]} 4. Nc3 {[%emt 0:00:08]} Bg7 {[%emt 0:00:00]} 5. e4 {[%emt 0:00:14]} O-O {[%emt 0:00:00]} 6. Be2 {[%emt 0:00:07]} e5 {[%emt 0:00:00]} 7. O-O {[%emt 0:00:22]} Bg4 {[%emt 0:02:30]} 8. d5 {[%emt 1:27:08]} Na6 {[%emt 0:00:30]} 9. Ne1 {[%emt 0:00:30]} Bxe2 {[%emt 0:00:00]} 10. Qxe2 {[%emt 0:00:00]} Nd7 {[%emt 0:00:00]} 11. Nd3 {[%emt 0:00:00]} f5 {[%emt 0:01:30]} 12. f3 {[%emt 0:01:30]} Rf7 {[%emt 0:00:30]} 13. Be3 {[%emt 0:00:30]} f4 {[%emt 0:00:30]} 14. Bf2 {[%emt 0:00:30]} h5 {[%emt 0:00:00]} 15. b4 {[%emt 0:00:00]} Bf8 {[%emt 0:01:00]} 16. Na4 {[%emt 0:01:00]} c5 {[%emt 0:00:30]} 17. dxc6 {[%emt 0:00:00]} bxc6 {[%emt 0:00:30]} 18. Nc3 {[%emt 0:00:00]} Nc7 {[%emt 0:00:30]} 19. b5 {[%emt 0:00:00]} c5 {[%emt 0:00:30]} 20. a4 {[%emt 0:02:00]} g5 {[%emt 0:00:00]} 21. a5 {[%emt 0:00:00]} Rg7 {[%emt 0:00:00]} 22. Kh1 {[%emt 0:00:00]} g4 {[%emt 0:00:00]} 23. Bg1 {[%emt 0:00:00]} Be7 {[%emt 0:00:00]} 24. Nf2 {[%emt 0:00:00]} Bh4 {[%emt 0:00:00]} 25. fxg4 {[%emt 0:00:00]} Ne6 {[%emt 0:00:00]} 26. g5 {[%emt 0:00:00]} Bxf2 {[%emt 0:00:00]} 27. Qxf2 {[%emt 0:00:00]} Qxg5 {[%emt 0:00:00]} 28. Nd5 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 29. Nxf6+ {[%emt 0:00:00]} Qxf6 {[%emt 0:00:00]} 30. Rad1 {[%emt 0:00:00]} Rd8 {[%emt 0:00:00]} 31. Rd3 {[%emt 0:00:19]} Kh7 {[%emt 0:00:00]} 32. Rh3 {[%emt 0:02:29]} Rg5 {[%emt 0:00:00]} 33. Qf3 {[%emt 0:00:37]} Qg6 {[%emt 0:00:00]} 34. Rd1 {[%emt 0:00:29]} Kg7 {[%emt 0:00:00]} 35. b6 {[%emt 0:00:14]} axb6 {[%emt 0:00:00]} 36. axb6 {[%emt 0:00:01]} Rg4 {[%emt 0:00:00]} 37. Qe2 {[%emt 0:02:23]} Ng5 {[%emt 0:00:00]} 38. Rb3 {[%emt 0:01:15]} Qxe4 {[%emt 0:00:00]} 39. Qxe4 {[%emt 0:00:09]} Nxe4 {[%emt 0:00:00]} 40. b7 {[%emt 0:00:00]} Rb8 {[%emt 0:00:00]} 41. Rb6 {[%emt 0:11:55]} Kf6 {[%emt 0:00:00]} 42. Rb2 {[%emt 0:21:09]} Rg7 {[%emt 0:00:00]} 43. Re1 {[%emt 0:00:00]} Kf5 {[%emt 0:00:00]} 44. Reb1 {[%emt 0:00:00]} Rd7 {[%emt 0:00:00]} 45. Ra1 {[%emt 0:00:00]} 0-1

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.03"]
[Round "7.6"]
[White "Hossain, Enamul"]
[Black "Murshed, Niaz"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2398"]
[BlackElo "2419"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,49,26,34,46,24,19,26,21,21,35,0,7,0,0,0,0,-4,0,5,43,18,39,16,17,19,16,19,16,21,16,0,1,0,0,0,0,0,20,17]} 1. e4 d6 2. d4 Nf6 3. Nc3 e5 4. Nf3 Nbd7 5. Bc4 Be7 6. O-O O-O 7. a4 $1 {[%mdl 4] is currently scoring better than 7.Re1.} exd4 {C41: Philidor Defence.} 8. Qxd4 Nc5 9. h3 Be6 {[#] White has an edge.} 10. Re1 $146 ({Predecessor:} 10. Rd1 Nfd7 11. Bxe6 Nxe6 12. Qe3 c6 13. b3 Qc7 14. Bb2 Ne5 15. Ne2 Bf6 16. Nxe5 Bxe5 {½-½ (38) Hoang,T (2407)-Lubbe,M (2287) Chess.com INT 2020}) 10... Nfd7 {[#] ...Bf6 is the strong threat.} 11. Nd5 Bxd5 12. Bxd5 Bf6 13. Qd1 Re8 14. Ba2 {[%cal Bd5a2,Ba2b1,Bb1c2][%mdl 32]} a5 15. c3 Ne5 16. Nxe5 Bxe5 17. Bb1 (17. Be3 $5 {[%cal Rf2f4]}) 17... Qh4 {The position is equal.} 18. Bc2 Bf4 19. Bxf4 Qxf4 20. g3 Qf6 21. Qg4 Re7 22. Re3 g6 23. h4 Rae8 {[%cal Od6d5]} 24. Rae1 Qe6 25. Qxe6 {Weighted Error Value: White=0.05 (flawless) /Black=0.06 (flawless)} 1/2-1/2

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.03"]
[Round "7.7"]
[White "Mehdi, Hasan Parag"]
[Black "Mollah Abdullah, Al Rakib"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2230"]
[BlackElo "2459"]
[Annotator "ChessBase"]
[PlyCount "93"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:10]} d6 {[%emt 0:01:25]} 2. d4 {[%emt 0:00:16]} Nc6 {[%emt 0:00:30]} 3. Nc3 {[%emt 0:01:43]} e5 {[%emt 0:00:57]} 4. Nge2 {[%emt 0:00:32]} g6 {[%emt 0:00:55]} 5. Be3 {[%emt 0:00:15]} Bg7 {[%emt 0:02:19]} 6. Qd2 {[%emt 0:01:26]} Nf6 {[%emt 0:03:55]} 7. f3 {[%emt 1:29:38]} d5 {[%emt 1:23:59]} 8. dxe5 {[%emt 0:00:00]} Nxe5 {[%emt 0:00:30]} 9. Nf4 {[%emt 0:01:00]} dxe4 {[%emt 0:00:00]} 10. Qxd8+ {[%emt 0:00:00]} Kxd8 {[%emt 0:00:00]} 11. O-O-O+ {[%emt 0:00:00]} Bd7 {[%emt 0:00:00]} 12. Nfd5 {[%emt 0:00:00]} Nxd5 13. Nxd5 f6 {[%emt 0:02:30]} 14. f4 {[%emt 0:02:30]} Nc6 {[%emt 0:00:00]} 15. Rd2 {[%emt 0:00:30]} Kc8 {[%emt 0:00:00]} 16. Bb5 {[%emt 0:00:00]} Re8 {[%emt 0:00:00]} 17. h3 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 18. Rhd1 {[%emt 0:00:00]} Be6 {[%emt 0:00:00]} 19. Bc4 {[%emt 0:00:00]} b5 {[%emt 0:00:00]} 20. Nxc7 {[%emt 0:00:00]} Kxc7 {[%emt 0:00:00]} 21. Bxe6 {[%emt 0:00:00]} Rxe6 {[%emt 0:00:00]} 22. Rd7+ {[%emt 0:00:00]} Kc8 {[%emt 0:00:00]} 23. Rxg7 {[%emt 0:00:00]} Re7 {[%emt 0:00:00]} 24. Rg8+ {[%emt 0:00:00]} Kb7 {[%emt 0:00:00]} 25. Rxa8 {[%emt 0:00:00]} Kxa8 {[%emt 0:00:00]} 26. Rd6 {[%emt 0:00:00]} Rc7 {[%emt 0:00:00]} 27. Rxf6 {[%emt 0:00:00]} Nb4 {[%emt 0:00:00]} 28. c3 {[%emt 0:00:00]} Nd3+ {[%emt 0:01:04]} 29. Kd2 {[%emt 0:00:00]} Nxb2 {[%emt 0:01:11]} 30. Rxa6+ {[%emt 0:00:00]} Kb8 {[%emt 0:00:42]} 31. Rb6+ {[%emt 0:00:00]} Rb7 {[%emt 0:00:11]} 32. Re6 {[%emt 0:00:00]} Nc4+ {[%emt 0:02:09]} 33. Ke2 {[%emt 0:00:00]} Nxe3 {[%emt 0:00:39]} 34. Kxe3 {[%emt 0:00:00]} Rc7 {[%emt 0:01:01]} 35. Rb6+ {[%emt 0:01:49]} Kc8 {[%emt 0:00:39]} 36. Rxb5 {[%emt 0:00:10]} Rxc3+ {[%emt 0:00:02]} 37. Kxe4 {[%emt 0:00:02]} Rc2 {[%emt 0:00:09]} 38. g4 {[%emt 0:00:31]} Re2+ {[%emt 0:01:15]} 39. Kd5 {[%emt 0:03:00]} Rxa2 {[%emt 0:00:05]} 40. Ke6 {[%emt 0:00:00]} Ra3 {[%emt 0:00:00]} 41. h4 {[%emt 0:07:21]} Rg3 {[%emt 0:02:45]} 42. Rg5 {[%emt 0:01:14]} Kd8 {[%emt 0:06:47]} 43. Kf7 {[%emt 0:00:40]} Rf3 {[%emt 0:00:30]} 44. Rd5+ {[%emt 0:00:34]} Kc7 {[%emt 0:00:06]} 45. f5 {[%emt 0:01:43]} Rf4 {[%emt 0:01:01]} 46. f6 {[%emt 0:00:40]} Rxg4 {[%emt 0:00:06]} 47. Kg7 {[%emt 0:00:43]} 1-0

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.04"]
[Round "8.1"]
[White "Manon, Reja Neer"]
[Black "Mollah Abdullah, Al Rakib"]
[Result "0-1"]
[ECO "C26"]
[WhiteElo "1989"]
[BlackElo "2459"]
[Annotator "ChessBase"]
[PlyCount "86"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 1:31:00]} e5 {[%emt 0:00:23]} 2. Nc3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:47]} 3. g3 {[%emt 0:01:00]} Bc5 {[%emt 0:02:38]} 4. Bg2 {[%emt 0:00:00]} d6 {[%emt 0:00:23]} 5. Nge2 {[%emt 0:00:00]} Nc6 {[%emt 0:01:22]} 6. d3 {[%emt 0:01:30]} Ng4 {[%emt 0:22:34]} 7. O-O {[%emt 0:00:00]} h5 {[%emt 1:05:53]} 8. Na4 {[%emt 0:01:00]} Bxf2+ {[%emt 0:00:30]} 9. Rxf2 {[%emt 0:00:00]} Nxf2 {[%emt 0:00:00]} 10. Kxf2 {[%emt 0:00:00]} h4 {[%emt 0:01:00]} 11. Be3 {[%emt 0:01:30]} Bg4 {[%emt 0:00:30]} 12. Qg1 {[%emt 0:00:30]} hxg3+ {[%emt 0:00:30]} 13. hxg3 {[%emt 0:00:30]} Nb4 {[%emt 0:00:30]} 14. Rc1 {[%emt 0:00:00]} Nxa2 {[%emt 0:00:00]} 15. Rd1 {[%emt 0:01:00]} Qd7 {[%emt 0:00:00]} 16. Nac3 {[%emt 0:00:00]} Nxc3 {[%emt 0:00:00]} 17. bxc3 {[%emt 0:00:00]} a5 {[%emt 0:02:00]} 18. c4 {[%emt 0:01:30]} a4 {[%emt 0:00:30]} 19. Ra1 {[%emt 0:00:30]} b5 {[%emt 0:00:30]} 20. Nc3 {[%emt 0:00:30]} bxc4 {[%emt 0:00:00]} 21. dxc4 {[%emt 0:00:30]} Be6 {[%emt 0:01:00]} 22. Bf1 {[%emt 0:00:30]} f5 {[%emt 0:00:30]} 23. exf5 {[%emt 0:00:00]} Bxf5 {[%emt 0:00:30]} 24. Bg2 {[%emt 0:01:00]} Qf7 {[%emt 0:00:30]} 25. Bxa8 {[%emt 0:00:00]} Be4+ {[%emt 0:00:30]} 26. Ke2 {[%emt 0:01:00]} Bxa8 {[%emt 0:00:00]} 27. Qf2 {[%emt 0:00:30]} Qxc4+ {[%emt 0:00:00]} 28. Kd2 {[%emt 0:00:30]} Bc6 {[%emt 0:01:30]} 29. Rb1 {[%emt 0:00:00]} Ke7 {[%emt 0:00:00]} 30. Bg5+ {[%emt 0:00:25]} Ke6 {[%emt 0:00:00]} 31. Rf1 {[%emt 0:00:29]} Qd4+ {[%emt 0:00:00]} 32. Qxd4 {[%emt 0:00:05]} exd4 {[%emt 0:00:00]} 33. Ne2 {[%emt 0:01:31]} Rh2 {[%emt 0:00:00]} 34. Kd1 {[%emt 0:00:30]} Rxe2 {[%emt 0:01:18]} 35. Kxe2 {[%emt 0:00:00]} Bb5+ {[%emt 0:00:01]} 36. Kf2 {[%emt 0:00:00]} Bxf1 {[%emt 0:00:01]} 37. Kxf1 {[%emt 0:00:00]} a3 {[%emt 0:00:13]} 38. Bc1 {[%emt 0:00:00]} a2 {[%emt 0:00:01]} 39. Bb2 {[%emt 0:00:01]} Kd5 {[%emt 0:03:56]} 40. c3 {[%emt 0:02:59]} dxc3 {[%emt 0:00:30]} 41. Bxc3 {[%emt 0:30:30]} g5 {[%emt 0:30:30]} 42. Ke2 {[%emt 0:00:30]} Ke4 {[%emt 0:00:30]} 43. Kd2 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 0-1

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.04"]
[Round "8.2"]
[White "Murshed, Niaz"]
[Black "Mehdi, Hasan Parag"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "2419"]
[BlackElo "2230"]
[Annotator "TA"]
[PlyCount "144"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,144,33,29,30,96,100,98,88,83,23,95,91,84,81,94,109,113,35,67,68,91,69,65,74,107,105,113,109,127,129,126,123,131,117,120,116,113,87,72,85,86,97,85,75,341,166,150,134,135,123,130,120,166,150,158,147,145,151,157,159,213,191,246,243,252,245,241,227,236,210,207,132,152,139,240,238,236,191,324,318,353,330,347,340,339,316,439,452,570,519,570,562,530,510,497,485,439,350,371,345,334,326,368,392,365,366,329,233,841,794,899,898,899,899,899,899,1015,1352,1388,1361,964,868,679,677,553,536,1057,1032,953,910,843,642,1181,1181,1101,863,786]} 1. Nf3 d5 2. c4 c6 3. e3 Nf6 4. Nc3 Bf5 5. cxd5 cxd5 6. Qb3 {A11: English Opening: 1...c6.} Nc6 (6... Bc8 $1 $11 {remains equal.}) 7. Qxb7 $16 Bd7 {Strongly threatening ...Rb8.} 8. Nb5 $1 {White is better.} Rc8 {[#] Prevents Nc7+.} 9. Nbd4 $146 (9. Nxa7 $16 Nxa7 10. Qxa7) ({Predecessor:} 9. Nxa7 Nxa7 10. Qxa7 e6 11. Ne5 Bc5 12. Qa6 O-O 13. Nxd7 Qxd7 14. Be2 Ra8 15. Qb5 {1-0 (31) Gordievsky,D (2506)-Kukhmazov,A (2414) Moscow 2016}) 9... Rc7 {[#]} (9... Nxd4 $11 10. exd4 Rc7) 10. Nxc6 $1 Bxc6 (10... Rxc6 11. Be2) 11. Qa6 Nd7 12. Nd4 Bb7 13. Qa4 (13. Qxa7 $16 {And now Nb5 would win.} Qc8 14. Kd1) 13... Qc8 14. Qd1 {aiming for Nb5. White is more active.} a6 {Prevents Nb5.} (14... e5 $2 15. Nb5 $16) 15. Be2 e5 16. Nb3 Bd6 {[%cal Od5d4]} 17. d4 O-O {[%cal Oa6a5]} 18. Bd2 e4 19. Ba5 Rc6 20. Rc1 f5 21. g3 g5 22. Rxc6 Bxc6 23. h4 f4 24. gxf4 (24. hxg5 fxe3 25. fxe3 Bxg3+ 26. Kd2 Rf2 $11) 24... gxf4 25. Rg1+ Kh8 26. Bxa6 fxe3 $2 {[%mdl 8192] [#]} 27. fxe3 $1 Qe8 $18 (27... Qxa6 $2 28. Qg4 Rf1+ 29. Rxf1 $18) 28. Qg4 {[%csl Gg1][%cal Rg4g7]} Qe7 {To avoid Qg7+} 29. Be2 Nf6 {[#]} 30. Qg2 $1 {[%cal Ob3c5]} Ra8 (30... Rg8 $16 {was necessary.} 31. Qf1 Ra8) 31. Bc3 Rxa2 32. Nc5 Ra8 33. Kd2 {[%cal Be1d2,Bd2c2,Bc2b1][%mdl 32]} Rg8 34. Qh1 Rb8 (34... Bd7 $16 {might work better.}) 35. h5 Nd7 (35... Ng8 $142 36. Qh3 Ra8) 36. Kc2 Rf8 37. Qg2 {h6 is the strong threat.} Nf6 38. Qh3 Bd7 (38... Bxc5 39. dxc5 Rd8 40. Qf5 $18) 39. Qh4 Bc8 (39... Bxc5 40. dxc5 Rf7 41. Qg5 $18) 40. Kb1 Ng8 41. Qxe7 Nxe7 {[#]} (41... Bxe7 $16 {was worth a try.} 42. b4 Nh6) 42. Nxe4 $1 {[%mdl 512]} Bf5 43. Bd3 h6 {[#]} (43... Bxe4 $2 44. Bxe4 Bh2 45. Rg2 $18) (43... Rg8 $142 44. Rxg8+ Kxg8) 44. Kc2 $1 Bxe4 (44... dxe4 $2 45. d5+ Kh7 46. Rg7+ Kh8 47. Rg2+ Kh7 48. Rg7+ Kh8 49. Rxe7+ Kg8 50. Rg7+ Kh8 51. Bb5 $18) (44... Bh2 45. Rg2) 45. Bxe4 Rf2+ (45... dxe4 $2 46. d5+ Kh7 47. Rg7+ Kh8 48. Rg6+ Kh7 49. Rg7+ Kh8 50. Rxe7+ Kg8 51. Rg7+ Kh8 52. Rg6+ Kh7 53. Rxd6 $18) 46. Kd1 ({Less strong is} 46. Kd3 Bh2 47. Rg4 dxe4+ 48. Rxe4 Nd5 $14) 46... Rh2 (46... dxe4 $2 47. d5+ Kh7 48. Rg7+ Kh8 49. Rg2+ Kh7 50. Rxf2 $18) 47. Bg6 Nxg6 48. Rxg6 {[%mdl 4096] Endgame KRB-KRB} Bf8 49. Rf6 Be7 50. Rxh6+ Kg7 51. Re6 Bf6 52. Rd6 Rxh5 53. Rd7+ Kf8 54. Ke2 Ke8 55. Ra7 Kd8 56. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} Kc8 57. Kd3 Bd8 58. Rf7 Rh6 $2 (58... Bc7 59. b5 Rg5) 59. Rf5 {White is clearly winning.} Rd6 60. b5 Kb7 61. Bb4 Rd7 62. Bc5 Ba5 63. Rf6 Bc7 64. Ra6 Bb8 {Prevents Ra7+.} 65. Rb6+ Kc8 66. Re6 Rh7 67. Re8+ Kb7 68. Rd8 Rh5 69. Rd7+ Kc8 70. Rf7 {Black must now prevent Ba7.} Rg5 71. Ba7 Bxa7 72. Rxa7 Rg1 {Weighted Error Value: White=0.16 (very precise) /Black=0.29 (precise)} 1-0

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.04"]
[Round "8.3"]
[White "Rahman, Ziaur"]
[Black "Hossain, Enamul"]
[Result "1/2-1/2"]
[WhiteElo "2413"]
[BlackElo "2398"]
[Annotator "NA"]
[PlyCount "8"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 8,8,25]} 1. Nf3 {[%emt 0:00:03]} c5 {[%emt 0:00:12]} 2. g3 {[%emt 0:00:04]} b6 {[%emt 0:00:06]} 3. Bg2 {[%emt 0:00:03]} Bb7 {[%emt 0:00:07]} 4. O-O {[%emt 0:00:04]} Nf6 $11 {[%emt 0:00:05]} 1/2-1/2

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.04"]
[Round "8.4"]
[White "Md., Sharif Hossain"]
[Black "Chatterjee, Debaraj"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2211"]
[BlackElo "2204"]
[Annotator "ChessBase"]
[PlyCount "107"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 1:31:00]} d5 {[%emt 0:02:14]} 2. exd5 {[%emt 0:00:00]} Qxd5 {[%emt 0:00:09]} 3. Nc3 {[%emt 0:00:00]} Qa5 {[%emt 0:00:04]} 4. d4 {[%emt 0:00:00]} Nf6 {[%emt 1:30:03]} 5. Nf3 {[%emt 0:00:00]} Bf5 {[%emt 0:00:00]} 6. Ne5 {[%emt 0:00:00]} c6 {[%emt 0:01:00]} 7. Bd3 {[%emt 0:03:00]} Bxd3 {[%emt 0:00:00]} 8. Qxd3 {[%emt 0:00:00]} Nbd7 {[%emt 0:00:00]} 9. Nc4 {[%emt 0:01:00]} Qa6 {[%emt 0:01:30]} 10. Qe2 {[%emt 0:00:30]} e6 {[%emt 0:00:00]} 11. Bf4 {[%emt 0:00:00]} Nd5 {[%emt 0:00:00]} 12. Nd6+ {[%emt 0:00:00]} Bxd6 {[%emt 0:00:00]} 13. Qxa6 {[%emt 0:00:00]} bxa6 {[%emt 0:00:00]} 14. Bxd6 {[%emt 0:00:00]} Nxc3 {[%emt 0:00:00]} 15. bxc3 {[%emt 0:00:00]} Nb6 {[%emt 0:00:00]} 16. Rb1 {[%emt 0:03:00]} O-O-O {[%emt 0:00:00]} 17. Bg3 {[%emt 0:00:30]} Rd5 {[%emt 0:00:00]} 18. Ke2 {[%emt 0:00:30]} Rhd8 {[%emt 0:00:00]} 19. Rb3 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 20. Rhb1 {[%emt 0:01:00]} cxd4 {[%emt 0:00:00]} 21. cxd4 {[%emt 0:00:30]} Rxd4 {[%emt 0:00:00]} 22. Rc3+ {[%emt 0:00:00]} Rc4 {[%emt 0:00:00]} 23. Rxc4+ {[%emt 0:00:00]} Nxc4 {[%emt 0:00:00]} 24. Rb8+ {[%emt 0:00:00]} Kd7 {[%emt 0:07:30]} 25. Rb7+ {[%emt 0:00:00]} Ke8 {[%emt 0:00:30]} 26. Rxa7 {[%emt 0:00:00]} Rd2+ {[%emt 0:00:00]} 27. Ke1 {[%emt 0:00:00]} Rxc2 {[%emt 0:00:00]} 28. Rxa6 {[%emt 0:00:00]} Nb2 {[%emt 0:01:30]} 29. a4 {[%emt 0:00:00]} Nd3+ {[%emt 0:00:00]} 30. Kf1 {[%emt 0:00:00]} e5 {[%emt 0:01:00]} 31. a5 {[%emt 0:05:00]} Ke7 {[%emt 0:00:00]} 32. Bh4+ {[%emt 0:00:00]} f6 {[%emt 0:00:00]} 33. Ra7+ {[%emt 0:00:00]} Kf8 {[%emt 0:00:00]} 34. f3 {[%emt 0:01:30]} Ra2 {[%emt 0:00:00]} 35. a6 {[%emt 0:00:00]} Nb4 {[%emt 0:00:00]} 36. Ra8+ {[%emt 0:00:00]} Kf7 {[%emt 0:00:00]} 37. a7 {[%emt 0:00:00]} Nc6 {[%emt 0:03:30]} 38. Bf2 {[%emt 0:02:00]} Nd4 {[%emt 0:00:30]} 39. g4 {[%emt 0:00:00]} Kg6 {[%emt 0:00:30]} 40. h4 {[%emt 0:00:00]} h6 {[%emt 0:00:00]} 41. f4 {[%emt 0:00:00]} Ra1+ {[%emt 0:03:34]} 42. Kg2 {[%emt 0:00:00]} Ra2 {[%emt 0:00:23]} 43. h5+ {[%emt 0:00:00]} Kh7 {[%emt 0:28:03]} 44. f5 {[%emt 0:33:00]} Ra3 {[%emt 0:00:00]} 45. Be3 {[%emt 0:00:00]} Ra2+ {[%emt 0:00:00]} 46. Kf1 {[%emt 0:00:00]} Ra1+ {[%emt 0:00:00]} 47. Kg2 {[%emt 0:00:00]} Ra2+ {[%emt 0:00:00]} 48. Bf2 {[%emt 0:00:00]} Ra3 {[%emt 0:02:30]} 49. Bg1 {[%emt 0:00:00]} Ra2+ {[%emt 0:00:30]} 50. Kf1 {[%emt 0:00:00]} Ra1+ {[%emt 0:00:00]} 51. Kf2 {[%emt 0:03:30]} Ra3 {[%emt 0:01:00]} 52. Kf1 {[%emt 0:00:00]} Ra1+ {[%emt 0:00:00]} 53. Kg2 {[%emt 0:00:00]} Ra2+ {[%emt 0:01:00]} 54. Bf2 {[%emt 0:00:00]} 1/2-1/2

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.04"]
[Round "8.5"]
[White "Mohammad, Minhaz Uddin"]
[Black "Islam, Khandaker Aminul"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "2259"]
[BlackElo "2155"]
[Annotator "ChessBase"]
[PlyCount "77"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:12]} e5 {[%emt 0:00:02]} 2. Nf3 {[%emt 0:00:08]} Nc6 {[%emt 0:00:01]} 3. d4 {[%emt 0:00:19]} exd4 {[%emt 0:00:02]} 4. Nxd4 {[%emt 0:00:02]} Nf6 {[%emt 0:01:11]} 5. Nc3 {[%emt 0:00:03]} Bb4 {[%emt 0:00:07]} 6. Nxc6 {[%emt 0:00:07]} bxc6 {[%emt 0:00:02]} 7. Bd3 {[%emt 0:00:02]} d5 {[%emt 0:00:02]} 8. exd5 {[%emt 0:00:12]} O-O {[%emt 0:00:02]} 9. O-O {[%emt 0:00:03]} cxd5 {[%emt 0:00:11]} 10. Bg5 {[%emt 0:00:05]} c6 {[%emt 1:33:50]} 11. Qf3 {[%emt 0:01:09]} h6 {[%emt 0:00:00]} 12. Bxf6 {[%emt 0:00:06]} Qxf6 {[%emt 0:00:00]} 13. Qxf6 {[%emt 0:00:02]} gxf6 {[%emt 0:00:00]} 14. Ne2 {[%emt 0:00:19]} Bd6 {[%emt 0:00:00]} 15. Nd4 {[%emt 0:02:58]} c5 {[%emt 0:02:30]} 16. Nf5 {[%emt 0:16:44]} Bxf5 {[%emt 0:00:00]} 17. Bxf5 {[%emt 1:16:29]} Rfe8 {[%emt 0:00:00]} 18. Rad1 {[%emt 0:00:30]} Rad8 {[%emt 0:01:30]} 19. f4 {[%emt 0:00:30]} Bf8 {[%emt 0:00:00]} 20. Rf3 {[%emt 0:00:00]} c4 {[%emt 0:00:00]} 21. b3 {[%emt 0:01:00]} Bb4 {[%emt 0:00:00]} 22. Kf1 {[%emt 0:00:30]} a5 {[%emt 0:02:00]} 23. Rf2 {[%emt 0:00:00]} cxb3 {[%emt 0:00:00]} 24. axb3 {[%emt 0:00:00]} Bc3 {[%emt 0:01:00]} 25. Rf3 {[%emt 0:01:30]} d4 {[%emt 0:00:30]} 26. Kf2 {[%emt 0:00:00]} Bb4 {[%emt 0:00:30]} 27. Bd3 {[%emt 0:00:00]} Rd5 {[%emt 0:00:30]} 28. Rg3+ {[%emt 0:00:00]} Kf8 {[%emt 0:00:30]} 29. Rh3 {[%emt 0:00:00]} Kg7 {[%emt 0:00:00]} 30. Bc4 {[%emt 0:00:00]} Rf5 {[%emt 0:01:00]} 31. Kf3 {[%emt 0:03:00]} Bc3 {[%emt 0:00:30]} 32. Kg4 {[%emt 0:00:30]} Rc5 {[%emt 0:00:00]} 33. Bd3 {[%emt 0:00:30]} Be1 {[%emt 0:01:00]} 34. Rh5 {[%emt 0:00:00]} Rxh5 {[%emt 0:00:00]} 35. Kxh5 {[%emt 0:00:00]} Bc3 {[%emt 0:00:00]} 36. Kg4 {[%emt 0:00:00]} Re1 {[%emt 0:00:00]} 37. Rxe1 {[%emt 0:00:00]} Bxe1 {[%emt 0:00:00]} 38. Kf5 {[%emt 0:00:00]} Bc3 {[%emt 0:02:30]} 39. Ke4 {[%emt 0:00:00]} 1/2-1/2

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.04"]
[Round "8.6"]
[White "Nayem, Haque"]
[Black "Zia, Tahsin Tajwar"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2091"]
[BlackElo "2232"]
[Annotator "ChessBase"]
[PlyCount "119"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 0:00:03]} c6 {[%emt 0:00:10]} 2. d4 {[%emt 0:00:03]} d5 {[%emt 0:00:04]} 3. e5 {[%emt 0:00:02]} Bf5 {[%emt 0:00:21]} 4. Nd2 {[%emt 0:00:03]} e6 {[%emt 0:00:20]} 5. Nb3 {[%emt 0:00:03]} Nd7 {[%emt 0:00:06]} 6. Nf3 {[%emt 0:00:16]} Qc7 {[%emt 0:00:06]} 7. Be2 {[%emt 1:33:30]} f6 {[%emt 1:32:53]} 8. O-O {[%emt 0:00:30]} O-O-O {[%emt 0:00:30]} 9. Be3 {[%emt 0:00:30]} h5 {[%emt 0:00:00]} 10. Rc1 {[%emt 0:00:00]} Nh6 {[%emt 0:01:00]} 11. c4 {[%emt 0:00:00]} dxc4 {[%emt 0:00:00]} 12. Bxc4 {[%emt 0:00:00]} Ng4 {[%emt 0:01:00]} 13. Bf4 {[%emt 0:02:00]} g5 {[%emt 0:00:30]} 14. Bd2 {[%emt 0:00:30]} fxe5 {[%emt 0:00:00]} 15. Bxg5 {[%emt 0:00:30]} Bh6 {[%emt 0:00:00]} 16. Bxd8 {[%emt 0:00:00]} Rxd8 {[%emt 0:00:00]} 17. g3 {[%emt 0:01:00]} e4 {[%emt 0:00:00]} 18. Nh4 {[%emt 0:00:30]} Bg5 {[%emt 0:00:00]} 19. Nxf5 {[%emt 0:00:00]} exf5 {[%emt 0:03:00]} 20. f4 {[%emt 0:01:00]} exf3 {[%emt 0:00:30]} 21. Qxf3 {[%emt 0:00:00]} Be3+ {[%emt 0:00:30]} 22. Kg2 {[%emt 0:00:00]} Bxc1 {[%emt 0:00:00]} 23. Rxc1 {[%emt 0:01:30]} Re8 {[%emt 0:00:00]} 24. Qf4 {[%emt 0:00:00]} Ne3+ {[%emt 0:00:00]} 25. Kf3 {[%emt 0:00:00]} Qxf4+ {[%emt 0:00:00]} 26. gxf4 {[%emt 0:01:30]} Nxc4 {[%emt 0:00:00]} 27. Rxc4 {[%emt 0:00:00]} Nb6 {[%emt 0:03:00]} 28. Rc2 {[%emt 0:00:00]} Nd5 {[%emt 0:00:30]} 29. Rg2 {[%emt 0:01:30]} Re3+ {[%emt 0:00:00]} 30. Kf2 {[%emt 0:00:00]} b6 {[%emt 0:01:00]} 31. Rg5 {[%emt 0:00:00]} Rh3 {[%emt 0:00:30]} 32. Kg1 {[%emt 0:00:00]} Rd3 {[%emt 0:00:30]} 33. Rxf5 {[%emt 0:00:00]} a5 {[%emt 0:00:00]} 34. Rf8+ {[%emt 0:02:30]} Kb7 {[%emt 0:01:00]} 35. Kf2 {[%emt 0:00:00]} a4 {[%emt 0:00:00]} 36. Nc1 {[%emt 0:00:00]} Rd2+ {[%emt 0:00:00]} 37. Ke1 {[%emt 0:00:00]} Rxb2 {[%emt 0:00:00]} 38. f5 {[%emt 0:02:00]} Rc2 {[%emt 0:00:00]} 39. Nd3 {[%emt 0:00:00]} Rxh2 {[%emt 0:00:00]} 40. f6 {[%emt 0:00:00]} Nxf6 {[%emt 0:03:00]} 41. Rxf6 {[%emt 0:00:00]} Rxa2 {[%emt 0:00:00]} 42. Rf7+ {[%emt 0:00:00]} Kc8 {[%emt 0:31:00]} 43. Nb4 {[%emt 0:11:52]} Rb2 {[%emt 0:00:00]} 44. Nxc6 {[%emt 0:01:57]} a3 {[%emt 0:00:00]} 45. Re7 {[%emt 0:19:41]} Rc2 {[%emt 0:01:30]} 46. Nb4 {[%emt 0:00:30]} Rb2 {[%emt 0:00:00]} 47. Nc6 {[%emt 0:00:00]} Rc2 {[%emt 0:00:00]} 48. Nb4 {[%emt 0:00:00]} Rc4 {[%emt 0:00:00]} 49. Na2 {[%emt 0:00:00]} Rxd4 {[%emt 0:00:00]} 50. Re3 {[%emt 0:00:00]} Ra4 {[%emt 0:00:00]} 51. Kd2 {[%emt 0:00:00]} h4 {[%emt 0:00:00]} 52. Kc2 {[%emt 0:00:00]} Kd7 {[%emt 0:00:00]} 53. Kb3 {[%emt 0:03:30]} Ra8 {[%emt 0:00:00]} 54. Rh3 {[%emt 0:00:00]} Rh8 {[%emt 0:00:00]} 55. Nc3 {[%emt 0:00:00]} Ke6 {[%emt 0:00:00]} 56. Kxa3 {[%emt 0:00:00]} Kf5 {[%emt 0:00:00]} 57. Nd1 {[%emt 0:00:00]} Kg5 {[%emt 0:00:00]} 58. Nf2 {[%emt 0:02:30]} Rf8 {[%emt 0:00:00]} 59. Rh2 {[%emt 0:00:30]} Rf3+ {[%emt 0:00:00]} 60. Kb4 {[%emt 0:00:00]} 1/2-1/2

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.04"]
[Round "8.7"]
[White "Reefat, Bin-Sattar"]
[Black "Subrota, Biswas"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "2394"]
[BlackElo "2199"]
[Annotator "ChessBase"]
[PlyCount "76"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 1:31:00]} e5 {[%emt 0:00:01]} 2. Nf3 {[%emt 0:00:00]} Nc6 {[%emt 0:00:20]} 3. d4 {[%emt 0:00:00]} exd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:00]} Nf6 {[%emt 1:32:05]} 5. Nxc6 {[%emt 0:00:00]} bxc6 {[%emt 0:00:30]} 6. Nd2 {[%emt 0:00:00]} Bc5 {[%emt 0:00:30]} 7. Bd3 {[%emt 0:00:00]} O-O {[%emt 0:00:30]} 8. O-O {[%emt 0:00:00]} Re8 {[%emt 0:00:30]} 9. Nb3 {[%emt 0:04:00]} Bf8 {[%emt 0:00:00]} 10. Re1 {[%emt 0:00:00]} d6 {[%emt 0:01:00]} 11. h3 {[%emt 0:00:00]} g6 {[%emt 0:00:30]} 12. Bg5 {[%emt 0:00:00]} h6 {[%emt 0:00:00]} 13. Bd2 {[%emt 0:02:00]} Bg7 {[%emt 0:01:00]} 14. Na5 {[%emt 0:00:30]} c5 {[%emt 0:00:30]} 15. f4 {[%emt 0:00:30]} Nh5 {[%emt 0:00:00]} 16. c3 {[%emt 0:00:30]} c6 {[%emt 0:00:00]} 17. Nc4 {[%emt 0:00:00]} d5 {[%emt 0:00:00]} 18. exd5 {[%emt 0:01:00]} cxd5 {[%emt 0:02:00]} 19. Rxe8+ {[%emt 0:00:00]} Qxe8 {[%emt 0:00:00]} 20. Nd6 {[%emt 0:01:00]} Qc6 {[%emt 0:00:00]} 21. Nxc8 {[%emt 0:00:00]} Rxc8 {[%emt 0:00:00]} 22. Be3 {[%emt 0:00:00]} d4 {[%emt 0:00:00]} 23. cxd4 {[%emt 0:00:00]} Re8 {[%emt 0:00:00]} 24. Bf2 {[%emt 0:00:42]} Nxf4 {[%emt 0:00:00]} 25. Bf1 {[%emt 0:00:01]} cxd4 {[%emt 0:03:30]} 26. Rc1 {[%emt 0:02:17]} Qd6 {[%emt 0:00:00]} 27. g3 {[%emt 0:00:00]} Nd5 {[%emt 0:00:00]} 28. Qf3 {[%emt 0:01:00]} Ne3 {[%emt 0:00:00]} 29. Bd3 {[%emt 0:00:00]} Re6 {[%emt 0:00:00]} 30. Rc8+ {[%emt 0:01:00]} Bf8 {[%emt 0:02:30]} 31. Qa8 {[%emt 0:00:00]} Kg7 {[%emt 0:00:00]} 32. Rd8 {[%emt 0:01:00]} Qc5 {[%emt 0:00:00]} 33. Rc8 {[%emt 0:00:30]} Qe7 {[%emt 0:00:00]} 34. Qb8 {[%emt 0:00:30]} Rb6 {[%emt 0:00:00]} 35. Qf4 {[%emt 0:00:30]} Rd6 {[%emt 0:00:00]} 36. Bb5 {[%emt 0:00:30]} Qb7 {[%emt 0:00:00]} 37. Bxe3 {[%emt 0:00:00]} Qxc8 {[%emt 0:00:00]} 38. Bxd4+ {[%emt 0:00:00]} Kg8 {[%emt 0:00:00]} 0-1

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.05"]
[Round "9.1"]
[White "Subrota, Biswas"]
[Black "Manon, Reja Neer"]
[Result "1-0"]
[ECO "E94"]
[WhiteElo "2199"]
[BlackElo "1989"]
[Annotator "ChessBase"]
[PlyCount "109"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:16:06]} Nf6 {[%emt 0:00:14]} 2. c4 {[%emt 0:00:05]} g6 {[%emt 0:00:08]} 3. Nc3 {[%emt 0:00:04]} Bg7 {[%emt 0:00:05]} 4. e4 {[%emt 0:00:38]} d6 {[%emt 0:00:06]} 5. Nf3 {[%emt 0:00:07]} O-O {[%emt 0:00:12]} 6. Be2 {[%emt 0:00:03]} e5 {[%emt 0:00:35]} 7. Be3 {[%emt 0:00:03]} Nc6 {[%emt 0:01:45]} 8. O-O {[%emt 1:17:24]} exd4 {[%emt 0:14:36]} 9. Nxd4 {[%emt 0:00:00]} Re8 {[%emt 1:17:19]} 10. f3 {[%emt 0:00:00]} Be6 {[%emt 0:00:30]} 11. Qd2 {[%emt 0:01:30]} Nxd4 {[%emt 0:00:30]} 12. Bxd4 {[%emt 0:00:00]} Nd7 {[%emt 0:00:30]} 13. Bxg7 {[%emt 0:00:00]} Kxg7 {[%emt 0:00:00]} 14. f4 {[%emt 0:00:00]} f6 {[%emt 0:01:00]} 15. Rae1 {[%emt 0:02:00]} Qe7 {[%emt 0:00:30]} 16. b3 {[%emt 0:00:00]} a5 {[%emt 0:00:30]} 17. Bd3 {[%emt 0:01:00]} Bf7 {[%emt 0:00:30]} 18. Bc2 {[%emt 0:00:30]} Nc5 {[%emt 0:00:00]} 19. Re3 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 20. Rfe1 {[%emt 0:01:00]} Qd7 {[%emt 0:00:00]} 21. Qf2 {[%emt 0:00:30]} Ne6 {[%emt 0:02:00]} 22. Qh4 {[%emt 0:00:30]} g5 {[%emt 0:00:30]} 23. Qh3 {[%emt 0:00:30]} h6 {[%emt 0:00:00]} 24. e5 {[%emt 0:00:00]} dxe5 {[%emt 0:00:00]} 25. fxe5 {[%emt 0:00:00]} fxe5 {[%emt 0:01:30]} 26. Rd1 {[%emt 0:01:30]} Qc7 {[%emt 0:00:30]} 27. Qf5 {[%emt 0:00:00]} Nf8 {[%emt 0:00:00]} 28. Ne4 {[%emt 0:01:00]} Re6 {[%emt 0:00:00]} 29. h4 {[%emt 0:00:00]} gxh4 {[%emt 0:00:09]} 30. Rf1 {[%emt 0:01:00]} Bg6 {[%emt 0:00:51]} 31. Qg4 {[%emt 0:00:30]} Qe7 {[%emt 0:00:21]} 32. Ref3 {[%emt 0:00:00]} h5 {[%emt 0:01:39]} 33. Qh3 {[%emt 0:00:00]} Nh7 {[%emt 0:00:30]} 34. Kh1 {[%emt 0:00:00]} b6 {[%emt 0:00:00]} 35. R3f2 {[%emt 0:00:00]} Rd8 {[%emt 0:01:00]} 36. Qc3 {[%emt 0:00:00]} Rd4 {[%emt 0:00:00]} 37. Nd2 {[%emt 0:03:00]} Rf6 {[%emt 0:00:19]} 38. Bxg6 {[%emt 0:00:00]} Kxg6 {[%emt 0:00:37]} 39. Nf3 {[%emt 0:00:00]} c5 {[%emt 0:01:04]} 40. Qe1 {[%emt 0:01:30]} e4 {[%emt 0:00:00]} 41. Nxh4+ {[%emt 0:00:00]} Kf7 {[%emt 0:01:28]} 42. Qe2 {[%emt 0:31:00]} e3 {[%emt 0:30:02]} 43. Qxh5+ {[%emt 0:00:00]} Ke6 {[%emt 0:00:30]} 44. Nf5 {[%emt 0:01:00]} Qd8 {[%emt 0:00:30]} 45. Qh3 {[%emt 0:00:30]} exf2 {[%emt 0:00:00]} 46. Nxd4+ {[%emt 0:00:30]} Kd6 {[%emt 0:00:00]} 47. Qh2+ {[%emt 0:00:30]} Kd7 {[%emt 0:01:30]} 48. Qxh7+ {[%emt 0:00:00]} Kc8 {[%emt 0:00:30]} 49. Nf3 {[%emt 0:01:00]} Qd6 {[%emt 0:00:00]} 50. Qg8+ {[%emt 0:00:30]} Kc7 {[%emt 0:00:00]} 51. Qg7+ {[%emt 0:00:30]} Kb8 {[%emt 0:00:00]} 52. Rxf2 {[%emt 0:00:30]} Qd1+ {[%emt 0:02:00]} 53. Ng1 {[%emt 0:00:30]} Qh5+ {[%emt 0:00:00]} 54. Nh3 {[%emt 0:00:00]} Qd1+ {[%emt 0:00:00]} 55. Kh2 {[%emt 0:00:00]} 1-0

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.05"]
[Round "9.2"]
[White "Zia, Tahsin Tajwar"]
[Black "Reefat, Bin-Sattar"]
[Result "1-0"]
[ECO "A63"]
[WhiteElo "2232"]
[BlackElo "2394"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,91,28,33,57,50,108,52,62,55,104,62,70,53,68,69,59,63,67,61,94,75,103,102,104,66,113,87,128,125,132,123,118,70,68,74,77,75,69,66,66,4,98,96,116,101,243,166,246,246,258,259,519,496,421,181,371,375,420,420,402,250,236,235,246,244,719,748,688,669]} 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O 9. O-O Nbd7 10. Bf4 Qe7 11. h3 a6 {has lost popularity (11...Nh5).} 12. a4 Rb8 13. e4 Re8 {A63: Modern Benoni: Fianchetto Variation: 9...Nbd7.} 14. Re1 {[#]} Ne5 $146 ({Better is} 14... Nh5 $1 $14) ({Predecessor:} 14... Nh5 15. Bg5 Bf6 16. Bxf6 Nhxf6 17. a5 b5 18. axb6 Rxb6 19. Qc2 Ne5 20. Nd2 c4 {1-0 (29) Deac,B (2572)-Hambleton,A (2501) Chess.com INT 2018}) 15. Bxe5 (15. Nxe5 $16 dxe5 16. Be3) 15... dxe5 $14 {White is slightly better.} 16. a5 h5 (16... Bd7 $14) 17. Nd2 (17. Na4 $16) 17... h4 18. Nc4 $1 (18. gxh4 $6 Nh5 $11) 18... hxg3 19. fxg3 Bd7 20. Na4 Bb5 21. Nab6 Kh7 22. Qf3 Rh8 23. Rad1 Rbd8 24. Qc3 Nh5 (24... Nd7 $14) 25. Kh2 Kg8 (25... Nf6 $142) 26. d6 $16 {[%cal Bd5d6,Bd6d7][%mdl 32]} Qe6 27. d7 $1 Nf6 {[%cal Rf6d7]} (27... Bxd7 $2 28. Rd6 Qe8 29. Red1 $18) 28. Rd6 ({White should play} 28. h4 $1 $16) 28... Qe7 $14 29. Red1 $36 {[%mdl 2048] White is on the roll.} Bxc4 (29... Nxd7 $2 30. Qd3 $18) 30. Nxc4 (30. Qxc4 Ng4+ 31. Kg1 Ne3 $11) 30... Rxd7 31. Rxd7 Nxd7 32. Nd6 (32. Qd2 $14 Nb8 33. Qd6 (33. Qd8+ Qxd8 34. Rxd8+ Kh7 $14) 33... Qxd6 34. Nxd6) 32... Bf6 {[#]} (32... Bf8 $11) 33. Qb3 $1 $16 Kg7 34. Qxb7 {White is much more active.} Rb8 {This move loses the game for Black.} (34... Nb8 $16 {is a better defense.}) 35. Qxa6 {And now Qa7 would win.} Rxb2 {[#]} (35... Nf8 $142 36. Qc6 Ne6) 36. Qc8 $1 $18 {Black must now prevent Ne8+.} Rb8 37. Qc7 {[%cal Od6f7] Threatens to win with Nxf7!} Qd8 $2 (37... Ra8 38. a6 (38. Nxf7 Nb8 $18) 38... Rxa6) 38. Qc6 {[%cal Od6f7] aiming for Nxf7!} Qe7 39. Nb7 {To avoid Rd8} (39. Nxf7 $142 Nf8 40. Nd6) 39... Nb6 (39... Nf8) 40. a6 ({Inferior is} 40. axb6 Qxb7 41. Rd6 (41. Qxc5 Qxb6 42. Qxb6 Rxb6 $11) 41... Be7 42. Qxb7 Rxb7 $11) (40. Qxb6 Rxb7 41. Qd6 c4 $11) 40... Nc8 41. Rd7 {[%cal Bd1d7,Bd7c7,Bc7c6][%mdl 32]} Qe8 42. Rc7 Qxc6 43. Rxc6 Na7 44. Rc7 {Strongly threatening Nd6.} ({Resist} 44. Rxc5 Kf8 45. Bf1 Be7) 44... Rc8 $2 (44... Nb5 45. Rxc5 Nd4) 45. Rxc8 Nxc8 {[#]} 46. Nd6 $1 {[%mdl 512] Weighted Error Value: White=0.25 (precise) /Black=0.42} 1-0

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.05"]
[Round "9.3"]
[White "Islam, Khandaker Aminul"]
[Black "Nayem, Haque"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "2155"]
[BlackElo "2091"]
[Annotator "TA"]
[PlyCount "62"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,62,16,24,20,47,16,8,0,2,-5,0,-5,0,-11,-6,-4,0,0,28,31,101,97,199,41,38,38,50,46,43,39,131,44,43,6,33,33,23,45,70,-8,-6,-651,-633,-862,-823,-1010,-997,-1216,-1208,-1104,-1101,-1854,-1857,-2677,-1839]} 1. d4 Nf6 2. Bg5 d5 3. e3 e6 4. Nf3 Nbd7 5. c4 {[%cal Bc2c4,Bc4c5][%mdl 32]} h6 6. Bh4 {D30: Queen's Gambit Declined: Systems without Nc3.} Bb4+ 7. Nfd2 {[#]} Be7 $146 ({Predecessor:} 7... O-O 8. Be2 dxc4 9. O-O e5 10. Nxc4 exd4 11. Qxd4 Qe7 12. Bf3 Bc5 13. Qd3 Ne5 14. Nxe5 Qxe5 {0-1 (74) Gunev,Z (2275)-Lazarov,A Ruse 1984}) 8. Nc3 {The position is equal.} O-O 9. c5 e5 10. Be2 exd4 11. exd4 b6 12. b4 a5 13. a3 bxc5 14. bxc5 g5 (14... Re8 $14) 15. Bg3 $16 Ne4 (15... Ba6 $16 {was worth a try.}) 16. Nxd5 $2 (16. Ncxe4 dxe4 17. Qa4 (17. Nxe4 f5 $14) 17... Nf6 $14) (16. Ndxe4 $18 dxe4 17. Nb5 (17. Nxe4 f5 $14)) 16... Ndxc5 $1 $14 17. dxc5 ({But not} 17. Nxe7+ Qxe7 18. Nxe4 (18. dxc5 $2 Nc3 $19) 18... Nxe4 $15) 17... Qxd5 18. Nxe4 Qxe4 19. O-O $1 {[#] Hoping for Bf3.} Qg6 (19... Bxc5 $2 20. Bf3 Qd4 21. Bxa8 $18) (19... Rd8 $14 20. Qc1 (20. Bf3 Rxd1 21. Bxe4 Rxf1+ 22. Rxf1 Ra6 $11) 20... Ra7) 20. Bh5 (20. Bxc7 $16 {Threatens to win with Bf3.} Bb7 21. Bb6) 20... Qf5 $1 {...g4 is the strong threat.} 21. Bf3 (21. Re1 $5 {[%cal Re1e7]} Bf6 22. Bf3 $14) 21... Ba6 {[%cal Bc8a6,Ba6f1,Bf1d3,Bd3b1][%mdl 32]} 22. Bxa8 Bxf1 23. Bf3 Bd3 24. c6 (24. Rc1 $1 $14) 24... Bf6 $11 25. Ra2 {[%mdl 8192] This costs White the game.} (25. Rc1 $11 Bb2 26. Bg4 (26. Bxc7 Bxc1 27. Qxc1 Rc8 $17)) 25... Rb8 $19 {[#] aiming for ...Rb1. Black is clearly winning.} 26. Bxc7 Rb1 27. Qxb1 Bxb1 28. Re2 g4 {[%cal Bg5g4,Bg4f3][%mdl 32]} 29. Re8+ Kh7 30. Bg3 gxf3 31. c7 Qd5 {Weighted Error Value: White=1.04/Black=0.15 (very precise)} 0-1

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.05"]
[Round "9.4"]
[White "Chatterjee, Debaraj"]
[Black "Mohammad, Minhaz Uddin"]
[Result "1/2-1/2"]
[ECO "A77"]
[WhiteElo "2204"]
[BlackElo "2259"]
[Annotator "TA"]
[PlyCount "85"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,85,40,34,58,49,58,44,70,-76,73,0,0,0,0,0,0,0,0,0,0,-101,-110,-241,-124,-150,-24,-25,0,-28,32,0,0,-138,-142,-139,-132,-102,-109,-110,0,0,0,0,0,-8,0,-1,0,-60,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Nd2 Bg7 8. e4 O-O 9. Be2 Re8 10. O-O Nbd7 11. h3 a6 12. a4 Rb8 13. Qc2 h5 {A77: Modern Benoni: Classical: 9...Re8 10 Nd2: 10...a6 and 10...Nbd7.} 14. f4 h4 15. Nc4 Nb6 {White is slightly better.} 16. Na3 {[#]} (16. Ne3 $14) 16... Bd7 {[#]} (16... Nxe4 $1 $17 {and life is bright.} 17. Nxe4 Bf5) 17. f5 $146 ({Better is} 17. a5 $16 Na4 18. Nxa4 Nxe4 19. Bd3) ({Predecessor:} 17. a5 Nc8 18. Nc4 Bb5 19. Bd2 Bxc4 20. Bxc4 Nh5 21. e5 Ng3 22. e6 Nxf1 23. Rxf1 {0-1 (50) Kashlinskaya,A (2494)-Jobava,B (2603) Chess.com INT 2020}) 17... Nxa4 $11 18. fxg6 fxg6 19. Bg5 Nxc3 20. bxc3 Re5 21. Bxh4 b5 {Prevents Nc4.} 22. Rf2 (22. Nb1 $11 {remains equal.}) 22... Qe7 $17 {...g5 is the strong threat.} 23. Raf1 (23. Bf3 $17 {keeps fighting.}) 23... Rf8 ({Black should play} 23... g5 $19 24. Bg3 Nxe4 25. Bxe5 Qxe5) 24. Nb1 a5 (24... Rxe4 $17 25. g4 Be8) 25. Nd2 $11 a4 26. Nf3 b4 (26... Rh5 $11) 27. Nxe5 (27. cxb4 {keeps more tension.} cxb4 28. Bd3 Rh5 29. Qc7 b3 30. Bg3) 27... Qxe5 28. Bxf6 (28. cxb4 $11 {keeps the balance.} cxb4 29. Bxf6 Rxf6 30. Rxf6 Bxf6 31. Qc7) 28... Rxf6 $17 29. cxb4 {Black must now prevent Rxf6.} Rxf2 30. Rxf2 cxb4 {Strongly threatening ...b3.} 31. Qc7 Qe8 (31... Be8 $17 32. Qb8 Qxe4) 32. Rf1 Be5 33. Qb6 b3 {With the idea ...b2.} 34. Bd3 Qc8 {Black wants to play ...b2.} 35. Kh1 $1 ({Reject} 35. Qf2 Qc5 36. Qxc5 (36. Kh1 $2 Qxf2 37. Rxf2 a3 $19) 36... dxc5 $17) 35... b2 36. Bb1 ({White should try} 36. Qa7 $11) 36... Bxh3 37. Qf2 $11 {Chess con chili. The position is equal.} Bd7 {aiming for ...Qe8. This bishop pair is nice.} 38. Qf7+ Kh8 39. Qxg6 {Threatens to win with g3.} Qc1 {[%cal Rc1f1]} 40. Qh5+ Kg7 {[%cal Rc1f1]} 41. Qf7+ Kh8 {Hoping for ...Qh6+.} 42. Qh5+ Kg7 {[%cal Rc1f1]} 43. Qf7+ {Weighted Error Value: White=0.37/Black=0.36} 1/2-1/2

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.05"]
[Round "9.5"]
[White "Hossain, Enamul"]
[Black "Md., Sharif Hossain"]
[Result "1/2-1/2"]
[ECO "C84"]
[WhiteElo "2398"]
[BlackElo "2211"]
[Annotator "TA"]
[PlyCount "136"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,136,21,41,46,33,39,28,41,26,22,24,32,8,19,15,18,24,21,4,18,5,31,27,32,32,32,32,58,60,100,87,126,103,263,256,256,264,256,261,240,275,275,262,261,256,250,74,73,73,75,69,69,76,191,196,191,192,193,191,193,193,229,229,229,229,236,188,186,187,303,287,315,265,259,247,246,250,239,200,171,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-5,-5,-5,-5,-12,-5,-12,-12,-12,-12,-19,0]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 d6 7. c3 O-O 8. Re1 b5 9. Bc2 Nb8 {[%cal Bc6b8,Bb8d7,Bd7c5,Bc5e6,Be6f4][%mdl 32] C84: Closed Ruy Lopez: Unusual White 6th moves.} 10. a4 Bb7 11. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} Nbd7 {White has an edge.} 12. Nf1 Re8 13. Ng3 g6 {[#]} 14. Bd2 $146 ({Predecessor:} 14. d4 Bf8 15. Bd3 c6 16. b3 Qc7 17. Bb2 Bg7 18. Qc2 d5 19. exd5 Nxd5 20. Bf1 {0-1 (44) Alsina Leal,D (2531)-Erdogdu,M (2426) Barcelona 2015}) 14... Bf8 15. Qc1 Nc5 16. axb5 axb5 17. Rxa8 Qxa8 18. b4 Ne6 19. Qb2 Qa6 20. Ra1 Qb6 21. Be3 Qc6 22. Bb3 Nf4 23. Qd2 Bh6 24. h3 d5 $2 (24... Bc8 $16 {is a better defense.}) 25. d4 $1 $18 exd4 26. Nxd4 (26. Bxf4 $6 dxc3 27. exd5 Qd6 $16) 26... Qd6 27. Nxb5 Qe5 28. Qd4 Nxe4 29. Qxe5 Rxe5 30. Nxe4 (30. Nxc7 Nxg3 31. Kh2 Nf5 $17) 30... Rxe4 31. Ra7 $2 (31. Nxc7 $6 Ne2+ 32. Kf1 Bxe3 $16) (31. Nd4 $18 {is more deadly.}) 31... Bc6 $16 32. Nd4 (32. Nxc7 Ne2+ 33. Kh2 Bxe3 34. fxe3 Nxc3 $11) 32... Ne2+ 33. Nxe2 Rxe3 34. Rxc7 Re6 (34... Rxe2 $16 {keeps fighting.} 35. Rxc6 d4) 35. Rc8+ $18 Kg7 36. Nd4 {[%csl LRc6,LRe6]} Re1+ 37. Kh2 Bb7 38. Rc5 Rc1 39. g3 {To avoid Bf4} (39. Bxd5 $6 Bxd5 40. Rxd5 Rxc3 $16) 39... Bd2 40. Rc7 (40. Bxd5 $6 Bxd5 41. Rxd5 Bxc3 $16) 40... Ba8 41. b5 Rxc3 42. b6 {And now b7 would win.} Rd3 (42... Be1 {was called for.} 43. Ne6+ (43. b7 Bxb7 44. Rxb7 Bxf2 $16) 43... Kh6) 43. Ne6+ $1 (43. b7 Bxb7 $1 44. Ne6+ Kg8 $11) 43... Kf6 44. Bc2 Rf3 {[#]} 45. Kg2 Rc3 46. Nd8 {Strongly threatening Kf1.} (46. b7 Bxb7 $1 {[%mdl 512]} 47. Rxb7 fxe6 $17) (46. Nd4 Rxc7 47. bxc7 Bb7) 46... d4+ 47. Kf1 {aiming for Ke2.} (47. b7 Bxb7+ $1 48. Rxb7 Rxc2 $15) 47... d3 48. Rxf7+ $2 ({White should try} 48. Bd1 $18) 48... Ke5 $11 {The position is equal.} 49. Bxd3 Rxd3 50. Re7+ Kf6 51. Rf7+ Ke5 {Hoping for ...Bh1.} 52. b7 Rxd8 53. Rd7 Bxb7 54. Rxd8 Bc3 55. Rd7 {[%csl LRb7,LRh7]} Ba6+ 56. Kg1 h5 57. Re7+ Kd6 58. Re8 Bf6 59. h4 Bb7 60. Rg8 Ke6 61. Rb8 ({Don't blunder} 61. Rxg6 $2 Kf7 62. Rh6 Bf3 63. Rh7+ Bg7 $19) 61... Be4 62. Rb6+ Kf5 63. Rb4 Bc3 64. Rc4 Be5 65. Ra4 Bf3 66. Rb4 Ke6 67. Ra4 Bd6 68. Rd4 Be5 {Blacks defense is rewarded with a draw.  Weighted Error Value: White=0.16 (very precise) /Black=0.11 (very precise)} 1/2-1/2

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.05"]
[Round "9.6"]
[White "Mehdi, Hasan Parag"]
[Black "Rahman, Ziaur"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2230"]
[BlackElo "2413"]
[Annotator "TA"]
[PlyCount "122"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,122,27,20,31,39,41,39,45,33,31,22,16,-12,0,-5,-5,-57,-25,-66,-22,-68,-43,-68,-63,-100,-109,-220,-199,-177,-206,-221,-119,-193,-204,-201,-203,-162,-193,-198,-192,-167,-97,-136,-64,-80,-24,-23,-50,-150,-154,-164,-148,-161,-157,-152,-166,-162,-154,-137,-143,-169,-125,-139,-38,-38,-38,-38,-38,-38,-38,-38,-38,-38,-43,-54,-107,-169,-169,-88,-83,-124,-38,-38,-38,-44,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8,-8]} 1. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. O-O Nf6 5. Re1 O-O 6. c3 Nbd7 {C41: Philidor Defence.} 7. d4 a6 8. a4 b6 {White is slightly better.} 9. Nbd2 Bb7 {[#]} 10. h3 $146 ({Predecessor:} 10. Bd3 Re8 11. Nf1 Bf8 12. Ng3 d5 13. exd5 exd4 14. Rxe8 Qxe8 15. c4 b5 16. b3 bxc4 17. bxc4 {1-0 (40) Domarkaite,L (2154)-Mira,H (2069) Vienna 2014}) 10... exd4 11. Nxd4 Ne5 12. Bf1 Re8 13. c4 (13. f4 $11 Nc6 14. Nc2) 13... Bf8 14. f3 (14. a5 $11 {might be stronger.}) 14... c6 (14... Nh5 $15) 15. f4 (15. N2b3 $11) 15... Ng6 16. Qf3 d5 17. cxd5 Nxd5 (17... Bc5 $6 18. N2b3 $11) 18. N2b3 {[#]} (18. Rd1 $17 {is a better defense.} Ndxf4 19. Nf5) 18... c5 $1 $19 19. Nc2 Nf6 20. Nd2 Nh4 (20... c4 $19 {White must now prevent ...Qc7.} 21. g3 (21. Bxc4 $2 Qc7 $19) 21... Qc7) 21. Qd3 (21. Qf2 $17 Bxe4 22. Ne3) 21... Qxd3 22. Bxd3 Rad8 23. Bf1 Nxe4 24. Nxe4 Bxe4 ({Stronger than} 24... Rxe4 25. Rxe4 Bxe4 26. Ne3 $17) 25. Na3 Bb7 (25... Re6 $19 {[%cal Oe4g2]} 26. b3 Be7) 26. Be3 Re4 (26... Rd6 $17 {Strongly threatening ...Rg6.} 27. Kf2 Nf5) 27. Nc4 Nf5 (27... b5 $17 28. Na5 Ba8) 28. Bf2 $1 $11 Rxf4 29. Nxb6 {[#]} (29. Rad1 $15 Rxd1 30. Rxd1) 29... c4 $1 $36 {[%cal Of4f2][%mdl 2048] Black is on the roll.} ({Weaker is} 29... Rd2 30. Re2 Rd8 31. Rae1 $17) 30. Rad1 Rxd1 31. Rxd1 {[#]} Rxf2 $1 {[%mdl 512]} 32. Kxf2 Bc5+ 33. Ke1 Bxb6 {A strong pair of Bishops.} 34. Bxc4 Nd4 35. Kd2 Bxg2 (35... Ne6 $19 36. Kc3 Bxg2 37. Bxa6 Bxh3) 36. Bxa6 Bc6 (36... Ba5+ $17 37. Ke3 Nf5+ 38. Kf2 Bb6+ 39. Ke1 Nd4) 37. Kc3 $15 {Hoping for a5.} Bxa4 38. Rxd4 Bxd4+ 39. Kxd4 {[%mdl 4096] Endgame KB-KB} Bb3 40. Kc3 Be6 41. Bf1 Kf8 42. b4 Ke7 43. Kd4 (43. h4 $17) 43... Kd6 $19 44. Bg2 (44. h4 $19) 44... Bd7 $17 45. h4 h6 ({Better is} 45... f6 $17 {Threatens to win with ...g5.} 46. Be4 g6) 46. Bd5 $1 $15 Be8 {And now ...f6 would win.} 47. b5 g5 48. hxg5 {The position is equal.} hxg5 49. b6 f6 50. Bg2 Bb5 51. Bh1 Bd7 52. Bg2 Bg4 53. Bd5 Bd1 (53... Kd7 $5 {[%cal Rd7d6]}) 54. Bg2 $1 Bc2 55. Bd5 f5 56. Bg2 Bd1 57. b7 Kc7 58. Ke5 Bc2 59. Kf6 Be4 60. Kxg5 Bxg2 61. Kxf5 Kxb7 {Weighted Error Value: White=0.15 (very precise) /Black=0.14 (very precise)} 1/2-1/2

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.05"]
[Round "9.7"]
[White "Mollah Abdullah, Al Rakib"]
[Black "Murshed, Niaz"]
[Result "1/2-1/2"]
[ECO "A45"]
[WhiteElo "2459"]
[BlackElo "2419"]
[Annotator "TA"]
[PlyCount "90"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,90,7,12,7,8,8,14,7,6,1,23,18,11,17,36,40,98,103,102,0,70,44,111,105,106,83,180,100,104,101,102,108,107,109,118,121,123,107,160,131,227,89,89,78,78,65,68,60,151,158,158,136,124,0,0,0,100,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Bg5 Ne4 3. h4 d5 4. Nd2 Nxd2 5. Qxd2 Bf5 6. e3 {A45: Trompowsky Attack.} h6 7. Bf4 e6 8. Bd3 Bxd3 9. Qxd3 {[#]} Nc6 $146 ({Predecessor:} 9... c5 10. Nf3 Qb6 11. O-O Nd7 12. a4 Be7 13. a5 Qc6 14. Ne5 Nxe5 15. Bxe5 O-O {1-0 (41) Ratkovic,M (2411)-Vratonjic,S (2388) Subotica 2019}) 10. Ne2 Bd6 11. O-O-O a5 12. e4 {[%cal Be3e4,Be4e5][%mdl 32]} O-O (12... Bxf4+ $14 13. Nxf4 O-O) 13. e5 $1 $16 Be7 14. Qh3 {White is more active.} (14. Qe3 $16) 14... Qd7 ({Black should play} 14... a4 $11) 15. g4 $14 {[%cal Bg2g4,Bg4g5,Bg5h6,Bh6g7][%mdl 32]} f6 (15... a4 $14) 16. exf6 $16 Bxf6 {[%cal Oc6d4]} 17. g5 Bxd4 (17... Nxd4 $16 {might work better.} 18. Nxd4 Bxd4 19. Rxd4 c5) 18. Nxd4 (18. gxh6 $18 Bf6 19. Rhg1) 18... Nxd4 19. Rxd4 c5 20. Rd3 {[%cal Og5h6]} Rxf4 21. gxh6 Rf6 22. hxg7 Qf7 23. Re1 d4 (23... Re8 $142) 24. h5 Rxf2 (24... Kh7 $16 {was necessary.}) 25. Qxe6 {The board is on fire.} (25. h6 $18 {and White stays clearly on top. Hoping for h7+.} Kh7 26. Qxe6) 25... Qxe6 26. Rxe6 Kxg7 {[%mdl 4096] Endgame KRR-KRR} 27. Re7+ Kf6 28. Rxb7 {And now Rc7 would win.} Re8 {[#]} (28... Rh8 $14) 29. Rc7 $1 {Rc6+ is the strong threat.} Re5 30. h6 Rh2 {[#]} 31. h7 ({White should try} 31. Rc6+ $1 $16 Kf5 32. Rd1) 31... Ke6 $1 $11 32. Rd2 Rh1+ 33. Rd1 Rh2 {The position is equal.} 34. Rd2 Rh1+ 35. Rd1 Rh2 36. Rg1 Kd6 37. Rcg7 {Threatens to win with b3.} Ree2 38. R7g2 Rexg2 ({But not} 38... Rhxg2 39. Rxg2 Re1+ 40. Kd2 $16) 39. Rxg2 Rxh7 {KR-KR} 40. Rg6+ Kd5 41. Rg5+ Kc6 42. a4 c4 43. Rxa5 Rh1+ 44. Kd2 Rh2+ 45. Kd1 Rh1+ {Weighted Error Value: White=0.16 (very precise) /Black=0.16 (very precise)} 1/2-1/2

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.07"]
[Round "10.1"]
[White "Manon, Reja Neer"]
[Black "Murshed, Niaz"]
[Result "0-1"]
[ECO "B49"]
[WhiteElo "1989"]
[BlackElo "2419"]
[Annotator "TA"]
[PlyCount "68"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,68,9,-9,-12,-12,-17,-19,0,-7,0,-7,-19,-12,0,-54,-50,-91,-98,-99,-106,-150,-148,-229,-210,-259,-172,-175,-176,-177,-169,-184,-181,-179,-133,-364,-381,-375,-372,-585,-576,-589,-582,-614,-606,-622,-603,-611,-610,-628,-633,-584,-581]} 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc7 5. Nc3 e6 6. Be3 a6 7. a3 b5 8. Be2 Bb7 9. O-O Nf6 10. Nb3 Ne5 {B49: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 7 Be2.} 11. f4 Nc4 12. Bxc4 bxc4 {The position is equal.} 13. Nd2 Bc5 14. Qe2 ({Much worse is} 14. Nxc4 d5 15. Na4 (15. exd5 Nxd5 16. Qe2 Nxe3 $15) 15... Bxe3+ 16. Nxe3 Nxe4 $15) 14... O-O {[#]} 15. e5 $146 ({Predecessor:} 15. Bxc5 Qxc5+ 16. Qf2 Qc6 17. Qd4 Rac8 18. Rac1 d6 19. h3 Rfd8 20. Rf2 h6 21. Kh2 {½-½ (43) Nevednichy,V (2560)-Sarakauskiene,Z (2105) La Fere 2002}) 15... Nd5 16. Nxd5 (16. Bxc5 $11 Qxc5+ 17. Qf2 Qxf2+ 18. Rxf2) 16... Bxd5 $15 17. b3 (17. Rf2 $15 {might be stronger.}) 17... cxb3 $17 18. cxb3 Rfc8 19. Rf2 (19. b4 $142 Be7 20. Qf2) 19... Bxa3 20. Nf1 (20. Nc4 $17 Bc5 21. Bxc5 Qxc5 22. Qe3) 20... Be7 $19 {This bishop pair is nice.} 21. Rxa6 Rxa6 ({Don't go for} 21... Bxb3 $2 22. Rxa8 Rxa8 23. Bd4 $19) 22. Qxa6 Bxb3 23. Rb2 Bd5 24. Qa7 f6 25. exf6 {[#] And now Qxc7 would win.} Bxf6 ({Better is} 25... Qxa7 $19 26. Bxa7 Bxf6) 26. Rd2 $2 {Now White is beyond hope.} (26. Qxc7 $17 Rxc7 27. Rd2) 26... Qxa7 27. Bxa7 Rc1 {Threatens to win with ...Bc4.} 28. Be3 (28. g3 {is a better defense.}) 28... Bc4 {[%csl Gc4][%cal Rc1f1] [#] Black is clearly winning.} 29. Rf2 Re1 30. Bc5 d6 31. Bb6 Rb1 32. Ba7 h5 {[%cal Bh7h5,Bh5h4,Bh4h3][%mdl 32]} 33. g3 h4 {Strongly threatening ...h3.} 34. g4 h3 {Weighted Error Value: White=0.36/Black=0.06 (flawless)} 0-1

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.07"]
[Round "10.2"]
[White "Rahman, Ziaur"]
[Black "Mollah Abdullah, Al Rakib"]
[Result "1/2-1/2"]
[ECO "E62"]
[WhiteElo "2413"]
[BlackElo "2459"]
[Annotator "TA"]
[PlyCount "36"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,36,42,47,70,53,116,37,63,67,135,0,53,0,145]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 O-O 5. O-O d6 6. Nc3 Nc6 7. d4 Bg4 8. h3 Bxf3 9. Bxf3 Nd7 10. e3 e5 11. d5 Ne7 12. e4 f5 13. h4 Kh8 {E62: King's Indian: Fianchetto: 6...c6 and Panno Variation (6...Nc6) without ...a6.} 14. Kg2 {[#]} Ng8 $146 {[#]} (14... h6 $14) ({Predecessor:} 14... Nf6 15. Bg5 Neg8 16. h5 Bh6 17. Bxh6 Nxh6 18. hxg6 hxg6 19. Rh1 Kg7 20. Qd2 Nfg8 21. Rh3 {½-½ (47) Vocaturo,D (2536)-Arenas Vanegas,D (2437) Sitges 2013}) 15. Bg5 (15. h5 $1 $16) 15... Bf6 16. Bd2 {White is more active.} Bg7 {[#]} (16... f4 $14) 17. Bg5 ({Better is} 17. h5 $1 $16) 17... Bf6 $14 18. Bd2 (18. Be3 $14) 18... Bg7 $1 {Weighted Error Value: White=0.45/Black=0.26 (precise)} 1/2-1/2

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.07"]
[Round "10.3"]
[White "Md., Sharif Hossain"]
[Black "Mehdi, Hasan Parag"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "2211"]
[BlackElo "2230"]
[Annotator "TA"]
[PlyCount "100"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,100,11,8,5,9,0,0,0,0,-12,29,52,95,23,49,38,58,19,17,19,26,0,0,-31,87,0,0,-15,-33,-38,-54,-131,86,80,345,337,265,0,0,0,0,0,0,0,0,0,0,0,0,-315,-242,-236,-275,-275,-275,-266,-265,-262,-216,-750,-747,-739,-665,-872,-876,-897,-890,-983,-969,-2129,-2079,-2059,-2096,-1659,-2847,-1944,-2271,-5206,-5197,-2092,-2131,-5165,-4778,-29985,-29986,-29993,-29977,-29976,-29973]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd3 e5 7. Nb3 Be7 8. O-O {B90: Sicilian Najdorf: Unusual White 6th moves, 6 Be3 Ng4 and 6 Be3 e5.} O-O 9. a4 Be6 10. Nd5 {The position is equal.} Bxd5 11. exd5 {[#]} e4 $146 (11... Nxd5 $142 12. Be4 Nf6 13. Bxb7 Ra7) ({Predecessor:} 11... Nbd7 12. Re1 Rc8 13. a5 Qc7 14. Ra4 Nxd5 15. Rc4 Qb8 16. Bxh7+ Kxh7 17. Qxd5 Nf6 {1-0 (46) Banach,S (1891)-Janulek,D (1878) Szczyrk 2014}) 12. Be2 $11 a5 (12... Re8 $14) 13. c4 ({White should play} 13. Re1 $16) 13... Na6 14. Bd2 b6 $1 15. Nd4 Nd7 16. Nc6 Qe8 17. Bc3 Bf6 18. Bg4 Ne5 (18... Bxc3 $15 {keeps the upper hand.} 19. Bxd7 (19. bxc3 f5 $15) 19... Qxd7 20. bxc3 Nc5) 19. Bxe5 (19. Bf5 $1 $16) 19... Bxe5 20. f4 ({Reject} 20. Nxe5 Qxe5 21. Bd7 f5 $15) 20... Bxb2 21. Ra2 Bc3 22. Bf5 (22. Rc2 $15 Bb4 23. f5) 22... Nc5 $2 (22... g6 $1 $17 {[%cal Rg6f5] stays on course.} 23. Qc2 Bg7 24. Bxe4 Nc5) 23. Ra3 $1 $16 Bb2 {[%mdl 8192] [#]} (23... g6 $16) 24. Bxh7+ $1 $18 {[%mdl 576] Decoy} Kxh7 25. Qh5+ $2 (25. Rh3+ $1 $18 Kg8 26. Qh5) 25... Kg8 $11 26. Rh3 {[%csl Gh3][%cal Rh5h7]} f5 {Threatens to win with ...Qxh5.} 27. Qh7+ Kf7 {Hoping for ...Rh8.} 28. Qxf5+ Bf6 $1 {And now ...Rh8 would win.} (28... Kg8 $2 29. Qh7+ Kf7 {[#]} 30. Ne5+ $1 {[%mdl 512]} Ke7 31. Qxg7+ Kd8 32. Rh7 $1 $18) 29. Qh5+ Kg8 {White must now prevent ...Qxh5.} 30. Qh7+ Kf7 {aiming for ...Rh8.} 31. Rg3 $2 {[%mdl 8192]} (31. Qh5+ $1 $11 Kg8 32. Qh7+ Kf7 33. Qh5+) 31... Rh8 32. Ne5+ ({Of course not} 32. Qf5 Rh6 33. Ra3 Qc8 34. Qxc8 Rxc8 $19) 32... dxe5 33. Rxg7+ Bxg7 34. fxe5+ Ke7 35. Qxg7+ Kd8 {...Rg8 is the strong threat.} 36. Rf7 $2 (36. d6 Nd7 37. e6) 36... Rg8 $19 37. Qf6+ Kc8 38. Qf5+ Kb8 39. e6 Ra7 40. Qh7 Rh8 41. Qg7 Rxf7 42. exf7 Qf8 43. Qe5+ Kb7 44. d6 e3 {[%cal Of8f7,Be4e3,Be3e2][%mdl 32]} 45. Qe7+ Ka6 {( -> ...Qh6)} 46. h3 e2 47. Kf2 {[#]} Ne4+ $1 48. Qxe4 (48. Kxe2 Nxd6) 48... Qxf7+ {Black mates.} 49. Qf3 Qxf3+ 50. gxf3 Kb7 {Never resign too early!  Weighted Error Value: White=0.64/Black=0.40} 0-1

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.07"]
[Round "10.4"]
[White "Mohammad, Minhaz Uddin"]
[Black "Hossain, Enamul"]
[Result "0-1"]
[ECO "C03"]
[WhiteElo "2259"]
[BlackElo "2398"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,52,14,18,19,35,0,0,0,0,-18,-13,-10,-20,-37,0,-69,-44,-85,-79,-75,-84,-89,-25,-35,-22,-70,-29,-54,-31,-29,-32,-32,-32,-67,-55,-74,-72,-75,-75,-85,-77,-69,-53]} 1. e4 e6 2. d4 d5 3. Nd2 Be7 4. Bd3 c5 5. dxc5 Nf6 6. Qe2 O-O 7. Ngf3 {C03: French Tarrasch: Unusual Black 3rd moves.} a5 8. a4 Na6 9. e5 {The position is equal.} Nd7 10. Nb3 Naxc5 11. Nxc5 Nxc5 12. Be3 {[#]} Bd7 $146 ({Predecessor:} 12... Nxd3+ 13. cxd3 Bd7 14. O-O Qb8 15. Rfc1 Rc8 16. Rxc8+ Qxc8 17. g3 Qd8 18. Qd1 h6 {0-1 (65) Kuuse,K (2034)-Galik,A ICCF email 2016}) 13. b3 (13. Bxc5 $11 Bxc5 14. O-O) 13... Nxd3+ $15 14. Qxd3 (14. cxd3 $15 Bb4+ 15. Bd2) 14... Rb8 $17 15. Nd4 Qc7 16. f4 Bb4+ ({Better is} 16... f6 $17 17. exf6 Bb4+ 18. Bd2 Qxf4) 17. Bd2 $1 $11 Bc5 18. Be3 (18. Nb5 $11 Bxb5 19. axb5) 18... Rfc8 (18... b5 $15 19. axb5 {[#]} Bxb5 $1 20. Nxb5 Rxb5 $1) 19. O-O b5 (19... Bxd4 {keeps more tension.} 20. Bxd4 b5 21. Ra2 bxa4 22. bxa4 Rb4) 20. axb5 {[#]} Bxb5 21. Nxb5 Bxe3+ 22. Qxe3 Rxb5 23. Rf2 g6 24. Ra2 Rb4 25. g3 Rcb8 26. Qd3 Qc5 {Weighted Error Value: White=0.21 (precise) /Black=0.13 (very precise)} 0-1

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.07"]
[Round "10.5"]
[White "Nayem, Haque"]
[Black "Chatterjee, Debaraj"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2091"]
[BlackElo "2204"]
[Annotator "TA"]
[PlyCount "63"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,63,28,68,58,68,58,64,59,60,55,70,61,82,72,80,83,87,43,58,42,54,37,30,23,27,27,45,0,65,59,56,65,68,49,45,42,41,28,38,38,35,37,33,37,49,40,44,31]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf5 6. Bc4 e6 7. Bd2 c6 8. Nd5 Qd8 9. Nxf6+ gxf6 $1 {The main line 9...gxf6 scores better than 9...Qxf6.} 10. O-O {B01: Scandinavian Defence.} Bg7 11. Re1 {Hoping for Nh4.} O-O {[#]} 12. a4 $146 ({Predecessor:} 12. Nh4 Bg6 13. c3 Nd7 14. Bf1 Rc8 15. g3 a6 16. Ng2 e5 17. h4 h6 18. h5 {1-0 (58) Perunovic,M (2604)-Balog,I (2559) Hungary 2018}) 12... a5 13. h4 Bg4 14. Ra3 Nd7 15. Qc1 Bxf3 16. Rxf3 Kh8 (16... Nb6 {[#]} 17. Bh6 $1 Qxd4 18. Rg3 $1 Qxh4 19. Re4 $3 {[%mdl 512]} Qxe4 20. Bxg7 $18 (20. Bd3 Qg6 $16)) 17. c3 {White is much more active.} (17. Rb3 $16) 17... f5 18. Bg5 Bf6 19. Qf4 Rg8 {[%cal Rf6g5]} 20. Rg3 Qb8 21. Qf3 Qd6 22. Bd3 (22. Bf4 $14 Qf8 23. h5) 22... Rg6 ({Black should play} 22... Bxg5 $11 23. Rxg5 (23. hxg5 Rg7 $11) 23... Rxg5 24. hxg5 Rg8) 23. Bf4 $14 Qd5 24. Qxd5 cxd5 25. Rxg6 hxg6 26. Bb5 Nb6 27. Bc7 {This bishop pair is nice.} Nc4 28. Bxc4 {White is slightly better.} dxc4 29. Be5 Kg7 30. Bxf6+ Kxf6 31. Re5 $1 {Strongly threatening Rb5.} b6 32. Rb5 {Weighted Error Value: White=0.07 (flawless) /Black=0.12 (very precise)} 1/2-1/2

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.07"]
[Round "10.6"]
[White "Reefat, Bin-Sattar"]
[Black "Islam, Khandaker Aminul"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2394"]
[BlackElo "2155"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,75,27,27,34,46,50,43,31,33,72,49,107,112,137,103,150,147,187,173,150,128,125,125,157,141,152,0,153,125,196,195,192,177,200,199,180,177,320,319,297,259,266,90,81,81,67,16,7,0,0,0,3,6,276,272,887,887,866,854,859,854,846,800]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb3 Bb6 6. Nc3 Qf6 7. Qe2 Nge7 8. Be3 Bxe3 {Recently 8...d6 got a lot of attention. C45: Scotch Game.} 9. Qxe3 a6 {Inhibits Nb5.} 10. O-O-O d6 {White is slightly better.} 11. f4 {[#]} h5 $146 ({Predecessor:} 11... O-O 12. g3 b5 13. Bg2 Rb8 14. Rhe1 Re8 15. Qf2 b4 16. Nd5 Nxd5 17. exd5 Ne7 {½-½ (52) Manik,M (2412)-Zatko,G (2158) Banska Stiavnica 2013}) 12. g3 Kf8 (12... Bg4 $14) 13. Bg2 $16 {[%cal Bf1g2,Bg2f3,Bf3e2][%mdl 32] White is more active.} Be6 14. Kb1 Bxb3 ({Black should try} 14... Re8) 15. axb3 (15. cxb3 Qe6 $16) 15... Re8 16. Rhf1 Qe6 17. Qf2 Rh6 18. Bf3 Qc8 19. Qe2 Nf5 20. Qf2 {Inhibits Nfd4.} ({Much worse is} 20. Bxh5 $6 Nfd4 21. Qg4 g6 $11) 20... Nfe7 21. Qg2 Qb8 (21... Qe6 $16 {was called for.}) 22. h3 $1 $18 Ng6 23. Be2 Qa7 24. g4 hxg4 25. hxg4 ({But not} 25. Qxg4 $6 Nge7 $14) 25... Nd4 (25... Qe3 $142) 26. g5 Rh8 27. Bg4 Nb5 28. f5 $2 (28. e5 $18 {and White stays clearly on top.}) 28... Nxc3+ $16 29. bxc3 Ne5 30. Rh1 (30. Qg3 $14) 30... Ke7 $11 31. Qg3 $36 {[%cal Of5f6][%mdl 2048] Prevents Qe3. Threatens to win with f6+! White has good play.} Rxh1 32. Rxh1 Qc5 33. Rh7 Nxg4 $2 {[%mdl 8192] This costs Black the game.} (33... Rg8 $1 $11 {and Black stays safe.}) 34. Qxg4 $18 {[%cal Of5f6] And now f6+! would win.} Qxc3 (34... Rf8 35. Kb2 (35. Rxg7 Qxc3 36. Rh7 Qe1+ 37. Kb2 Qa5 $18) 35... a5) 35. f6+ $1 {White is clearly winning.} gxf6 36. g6 {[%cal Bg5g6,Bg6g7][%mdl 32]} Rf8 {[#]} 37. g7 $1 Rg8 {[#]} 38. Rh8 $1 {Weighted Error Value: White=0.24 (precise) /Black=0.30} 1-0

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.07"]
[Round "10.7"]
[White "Subrota, Biswas"]
[Black "Zia, Tahsin Tajwar"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "2199"]
[BlackElo "2232"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,60,1,27,25,24,23,42,31,40,16,24,39,31,29,53,53,77,76,81,62,87,49,49,20,20,20,25,-111,-125,-111,-112,-119,-110,-136,-120,-119,-136,-142,-144,-146,-126,-112,-95,-89,-54,-107,-106,-122,0,-85,-100,-93,0]} 1. e4 c6 2. f3 d5 3. d4 dxe4 4. fxe4 e5 5. Nf3 Bg4 6. c3 {B12: Caro-Kann: Advance Variation.} Nd7 7. Bd3 Bd6 8. O-O {White is slightly better.} Ngf6 9. Na3 $1 {[%mdl 4] is recently more successful than 9.Nbd2.} b5 10. Nc2 O-O 11. Ne3 {[#]} Re8 $146 ({Predecessor:} 11... Bh5 12. Nf5 Qc7 13. Qe1 Bg6 14. Qh4 Bxf5 15. exf5 Rfe8 16. Bc2 exd4 17. Nxd4 Nc5 {1-0 (31) Sankalp,G (2504)-Bhambure,S (2377) Sitges 2021}) 12. a4 a6 13. Nxg4 Nxg4 14. axb5 cxb5 15. Bg5 Be7 16. Bd2 exd4 17. cxd4 {[#] Black must now prevent Qe2.} Nde5 $1 {And now ...Nxf3+ would win.} 18. Bf4 (18. Bc3 $1 $11 {keeps the balance.} b4 19. Nxe5 Nxe5 20. dxe5 bxc3 21. bxc3) 18... Nxf3+ $17 19. Qxf3 Qxd4+ 20. Kh1 {[#]} Bf6 $1 21. Rad1 (21. Ra3 Ne5) 21... Ne5 22. Bxe5 Qxe5 23. Rd2 Rad8 24. Re2 Qd6 25. Bb1 Re5 26. Ba2 Qd3 27. Re3 ({White should play} 27. Qxd3 $1 $15 Rxd3 28. Rc2) 27... Qd4 28. Re2 Qd3 29. Re3 Qc2 30. Re2 Qd3 {Weighted Error Value: White=0.13 (very precise) /Black=0.13 (very precise)} (30... Rd2 $17 31. Rxd2 Qxd2) 1/2-1/2

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.08"]
[Round "11.1"]
[White "Zia, Tahsin Tajwar"]
[Black "Manon, Reja Neer"]
[Result "1/2-1/2"]
[ECO "A52"]
[WhiteElo "2232"]
[BlackElo "1989"]
[Annotator "ChessBase"]
[PlyCount "34"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. d4 {[%emt 0:01:24]} Nf6 {[%emt 0:00:02]} 2. c4 {[%emt 0:00:18]} e5 {[%emt 0:00:08]} 3. dxe5 {[%emt 0:00:07]} Ng4 {[%emt 1:31:50]} 4. e4 {[%emt 1:30:41]} Nxe5 {[%emt 0:00:30]} 5. f4 {[%emt 0:00:00]} Nec6 {[%emt 0:00:00]} 6. Nf3 {[%emt 0:01:00]} Bc5 {[%emt 0:01:00]} 7. Bd3 {[%emt 0:00:00]} d6 {[%emt 0:00:30]} 8. Qe2 {[%emt 0:00:00]} Bg4 {[%emt 0:00:00]} 9. Be3 {[%emt 0:00:00]} Nd4 {[%emt 0:01:00]} 10. Qf2 {[%emt 0:02:00]} Ne6 {[%emt 0:00:30]} 11. Nd4 {[%emt 0:00:30]} Nxd4 {[%emt 0:00:00]} 12. Bxd4 {[%emt 0:00:00]} Nc6 {[%emt 0:01:00]} 13. Be3 {[%emt 0:01:00]} Nb4 {[%emt 0:00:00]} 14. Qd2 {[%emt 0:00:30]} Qf6 {[%emt 0:01:00]} 15. e5 {[%emt 0:00:00]} Qh6 {[%emt 0:00:00]} 16. O-O {[%emt 0:01:00]} O-O-O {[%emt 0:01:00]} 17. Nc3 {[%emt 0:00:30]} Nxd3 {[%emt 0:00:30]} 1/2-1/2

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.08"]
[Round "11.3"]
[White "Chatterjee, Debaraj"]
[Black "Reefat, Bin-Sattar"]
[Result "1-0"]
[ECO "A64"]
[WhiteElo "2204"]
[BlackElo "2394"]
[Annotator "TA"]
[PlyCount "123"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 27,123,29,31,27,39,52,94,110,93,67,64,74,70,80,77,70,77,72,79,56,65,66,56,60,68,65,79,72,82,80,83,81,73,0,29,0,0,-16,0,0,0,0,0,-8,47,53,68,52,82,81,158,23,173,100,110,112,106,15,14,24,621,593,591,575,539,514,584,573,787,754,29992,29993,29995,497,464,352,397,0,471,0,415,415,414,414,425,225,370,216,209,155,500,476,729,728,587,381,29974,29967]} 1. d4 e6 2. c4 Nf6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. g3 Bg7 8. Bg2 O-O 9. O-O Re8 10. Nd2 {[%cal Bf3d2,Bd2c4,Bc4a3,Ba3c2][%mdl 32]} Nbd7 11. h3 a6 12. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Rb8 13. Nc4 Nb6 14. Na3 Bd7 {[%cal Ob6a4]} 15. e4 {A64: Modern Benoni: Fianchetto Variation: 9...Nbd7 10 Nd2 a6 11 a4 Re8.} Qc7 16. Re1 {[#]} c4 $146 (16... Nxa4 $14 {should be considered.} 17. Nxa4 b5) ({Predecessor:} 16... Nc8 17. Bf1 h6 18. Kh2 Nh7 19. Bd2 g5 20. Qc2 Ne7 21. a5 Bd4 22. f3 Ng6 {½-½ (39) Sasikiran,K (2688)-Sadvakasov,D (2627) Guangzhou 2010}) 17. a5 {White is better.} Nc8 {[%cal Bb6c8,Bc8a7,Ba7b5][%mdl 32]} 18. Nc2 Na7 19. Be3 Nb5 20. Bb6 Qc8 21. Kh2 Re7 22. f4 (22. Qd2 {is more complex.} Qe8 23. f3 Rc8 24. Nd4 h5 25. Kg1) 22... Qe8 23. Qf3 Nxc3 24. bxc3 {[%cal Oe4e5]} Ba4 25. Nb4 Bb3 {[%cal Of6e4]} 26. Bd4 {White is more active.} Qb5 27. Qf2 Nd7 {Prevents e5.} 28. Bxg7 $1 Kxg7 29. Qd4+ $1 f6 30. g4 (30. h4 $1 $16) 30... Qc5 31. Qd2 Rbe8 32. Rf1 f5 33. gxf5 gxf5 34. e5 dxe5 35. fxe5 Nxe5 (35... Rxe5 $11 36. Qg5+ Kh8 37. Rxf5 Rg8 38. Rxe5 Rxg5 39. Rxg5 Qe3) 36. Rxf5 $14 Ng6 37. Raf1 Qd6+ 38. Kh1 {[%cal Of5f6]} Kg8 (38... Re2 39. Rf7+ Kg8 40. Qh6) (38... Rf8 $142) 39. Qh6 ({White should play} 39. h4 $16 {Qh6 is the strong threat.} Rg7 40. Qf2) 39... Rg7 (39... Re2 40. Rf7) (39... Re1 $1 $11 {and Black stays safe.}) 40. Rf6 ({Better is} 40. h4 $1 $18 {[%cal Rh4h5] Threatens to win with h5.} Qg3 41. d6) 40... Qg3 $16 41. d6 {Really sharp!} Ba4 (41... Re2 42. Bd5+) 42. R6f3 (42. Bd5+ Kh8 $11) (42. Qd2 $1 $16) 42... Qxd6 $11 43. Nd5 {aiming for Nf6+.} Qxd5 {[%mdl 8192] [#] Black is now going downhill.} (43... Kh8 $11) 44. Rf8+ $1 $18 {[%mdl 576] Discovered Attack} Nxf8 {[%csl Gg7][%cal Rd5g2]} 45. Bxd5+ Kh8 46. Qf6 {Threatening mate with Qxf8+.} Ng6 47. h4 {Black must now prevent h5.} h5 48. Rg1 Rf8 49. Qg5 (49. Qd4 Rf4 $1 50. Qb6 (50. Be4 $2 Rxh4+ 51. Kg2 Bc6 $19) 50... Rxh4+ 51. Kg2 Re7 $11) 49... Rf4 50. Qd8+ (50. Qh6+ $142 Rh7 51. Qxf4 $3 {[%mdl 512]} (51. Qxg6 Rxh4+ 52. Kg2 Rg7 $11) 51... Rg7 52. Qh6+ Rh7 53. Qxg6 Re7 54. Qg8#) 50... Rf8 51. Qd6 (51. Qg5 Rf6 52. Qxf6 Kh7 53. Rg5 Bd1 54. Be4 Kg8 55. Bxg6 Bf3+ 56. Kh2 Kh8 57. Qf8+ Rg8 58. Qh6#) 51... Rf4 52. Qd8+ ({Not} 52. Rxg6 Rxh4+ 53. Kg2 Rxg6+ 54. Qxg6 Rg4+ 55. Qxg4 hxg4 $16) 52... Rf8 $1 53. Qd6 ({Weaker is} 53. Qg5 Rf6 54. Qxf6 Kh7 55. Rg5 Bd1 56. Be4 Kg8 57. Bxg6 Bf3+ 58. Kh2 Kh8 59. Qf8+ Rg8 60. Qh6#) 53... Rf4 $1 54. Rg2 (54. Rxg6 Rxh4+ 55. Kg2 Rxg6+ 56. Qxg6 Rg4+ 57. Qxg4 hxg4 $16) 54... Kh7 55. Kg1 Bd7 56. Qc5 $40 {[%mdl 128] White has strong attack.} (56. Rg5 $142 {[%cal Rg5h5]} Kh6 57. Bxb7 Rxh4 58. Qf6) 56... Bh3 (56... Bg4 {was necessary.} 57. Be6 (57. Bxc4 Rf5 $14) 57... Re7 58. Bxg4 hxg4) 57. Rg3 (57. Rg5 $142 {[%cal Rg5h5]} Rxh4 58. Bf3) 57... Bg4 58. Bxc4 Nxh4 $2 (58... Rf5 $16 {is more resistant.} 59. Qb6 Ne5) 59. Bd3+ Ng6 {[#]} (59... Kh8 $142 60. Qd6 Nf3+ 61. Kh1 Rff7) 60. Qg5 $1 {And now Qxf4 would win.} Rff7 61. Re3 Bd1 $2 (61... Rd7 $18 62. Bc2 Rd6) 62. Re6 {Weighted Error Value: White=0.70/Black=0.63} 1-0

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.08"]
[Round "11.4"]
[White "Hossain, Enamul"]
[Black "Nayem, Haque"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "2398"]
[BlackElo "2091"]
[Annotator "TA"]
[PlyCount "128"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,128,10,29,0,31,20,59,58,63,57,55,58,56,50,54,45,55,53,60,60,75,54,49,42,55,51,46,39,48,27,47,3,24,0,79,85,81,85,77,82,109,20,50,27,14,3,3,0,0,0,0,0,0,0,0,0,0,0,191,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+ Nc6 6. e3 O-O 7. Bd2 a6 8. Qc2 {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4).} h6 9. a3 Bxc3 10. Bxc3 {White is slightly better.} Ne4 11. Bd3 Nxc3 12. Qxc3 {[#]} Bd7 $146 ({Predecessor:} 12... dxc4 13. Bxc4 Bd7 14. O-O Qf6 15. Rac1 Rfe8 16. Rfd1 Rad8 17. Be2 Rb8 18. b4 Rbc8 {0-1 (60) Zoler,D (2498)-Haimovich,T (2361) Biel 2015}) 13. O-O Ne7 14. Rfe1 dxc4 15. Bxc4 Bb5 16. Ba2 Nd5 17. Qd2 (17. Qc2 {is interesting.} a5 18. Rad1 Qd6 19. Bb1 Nf6 20. a4) 17... Nf6 18. Rac1 Rc8 19. e4 Qe7 20. Qe3 Rfd8 21. h3 Nd7 22. Rc3 (22. b4 $14) 22... c5 $11 23. Qc1 (23. d5 {is more complex.} exd5 24. exd5 Qd6 25. Nh4 Qf6 26. Qe4) 23... Nb6 (23... Qf8 $1 $11) 24. Rxc5 $16 Rxc5 25. dxc5 (25. Qxc5 Qxc5 26. dxc5 Na4 $11) 25... Na4 26. b4 Rd3 27. Bb1 (27. Re3 $1 $16) 27... Rc3 $11 28. Qf4 {Qb8+ is the strong threat.} Qd8 {To avoid Qb8} 29. e5 {Black must now prevent Qe4.} Bc6 {To avoid Qe4} 30. Nd4 $36 {[%mdl 2048] White has the initiative.} Bd5 31. Be4 Bxe4 32. Rxe4 ({But not} 32. Qxe4 Rc4 33. Qxb7 Qxd4 34. Qxa6 Nc3 35. Qa8+ Kh7 $17) 32... Rxa3 33. c6 bxc6 34. Nxc6 Qd7 35. Rc4 {[%cal Oc6e7]} Rc3 $2 {[#]} (35... Nb6 $11 {and Black stays safe.} 36. Rc1 Nd5) 36. Kh2 $2 ({White has to play} 36. Rd4 $1 $18 {[%cal Rd4d7]} Qc7 37. Rd8+ Kh7 38. Qe4+ g6 39. Qf4 Rxc6 40. Qf6 Qxd8 41. Qxd8) 36... Rxc4 {The position is equal.} 37. Qxc4 Nb6 38. Qc5 Nd5 39. Qd6 Qc7 40. g3 Qb7 41. Nd8 Qxb4 42. Nxe6 Qxd6 43. exd6 {[%mdl 4096] Endgame Strongly threatening d7. KN-KN} Nb6 (43... fxe6 $2 44. d7 $18) 44. Nc5 {aiming for d7.} Kf8 45. Nxa6 Nc4 46. d7 {[%cal Rd7d8]} Ke7 47. Nc5 Ne5 48. Kg2 Nxd7 49. Nxd7 Kxd7 {K3P-K3P} 50. Kf3 Ke6 51. Ke4 g6 52. f3 f6 {[%cal Bf7f6,Bf6f5][%mdl 32]} 53. f4 f5+ 54. Kd4 Kd6 55. Kc4 Kc6 56. g4 fxg4 $1 57. hxg4 {KPP-KPP} Kd6 58. Kd4 Ke6 59. Ke4 (59. f5+ $5 gxf5 60. gxf5+ Kxf5 61. Ke3 $11) 59... Kf6 60. Kf3 h5 61. gxh5 gxh5 62. Kg3 Kf5 63. Kh4 Kxf4 64. Kxh5 Ke4 {Weighted Error Value: White=0.13 (very precise) /Black=0.15 (very precise)} 1/2-1/2

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.08"]
[Round "11.5"]
[White "Mehdi, Hasan Parag"]
[Black "Mohammad, Minhaz Uddin"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "2230"]
[BlackElo "2259"]
[Annotator "ChessBase"]
[PlyCount "85"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

1. e4 {[%emt 1:31:00]} e5 {[%emt 0:13:49]} 2. Nf3 {[%emt 0:00:00]} Nf6 {[%emt 0:00:10]} 3. Nxe5 {[%emt 0:01:00]} d6 {[%emt 0:00:58]} 4. Nf3 {[%emt 0:00:00]} Nxe4 {[%emt 1:17:33]} 5. Nc3 {[%emt 0:00:00]} Nxc3 {[%emt 0:00:00]} 6. dxc3 {[%emt 0:00:00]} Be7 {[%emt 0:00:00]} 7. Be3 {[%emt 0:02:00]} Nd7 {[%emt 0:00:00]} 8. Qd2 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 9. O-O-O {[%emt 0:00:00]} O-O {[%emt 0:00:00]} 10. Bd3 {[%emt 0:00:00]} c5 {[%emt 0:00:00]} 11. Rhe1 {[%emt 0:00:00]} Be6 {[%emt 0:00:00]} 12. Kb1 {[%emt 0:02:30]} d5 {[%emt 0:00:00]} 13. Ng5 {[%emt 0:00:30]} c4 {[%emt 0:04:30]} 14. Be2 {[%emt 0:00:30]} a5 {[%emt 0:00:30]} 15. Nxe6 {[%emt 0:00:00]} fxe6 {[%emt 0:00:00]} 16. f4 {[%emt 0:01:00]} b5 {[%emt 0:01:00]} 17. Bf3 {[%emt 0:00:00]} b4 {[%emt 0:00:00]} 18. Bd4 {[%emt 0:00:00]} Ra6 {[%emt 0:01:00]} 19. g4 {[%emt 0:00:00]} Ne8 {[%emt 0:00:00]} 20. f5 {[%emt 0:02:00]} Nc7 {[%emt 0:01:00]} 21. Qg2 {[%emt 0:00:00]} bxc3 {[%emt 0:00:00]} 22. Bxc3 {[%emt 0:00:00]} Nb5 {[%emt 0:01:00]} 23. Be5 {[%emt 0:01:30]} c3 {[%emt 0:00:30]} 24. bxc3 {[%emt 0:00:30]} d4 {[%emt 0:00:30]} 25. Ka1 {[%emt 0:00:30]} Qc8 {[%emt 0:00:30]} 26. Rd3 {[%emt 0:00:00]} Qc4 {[%emt 0:00:00]} 27. Bxd4 {[%emt 0:00:00]} Nxd4 {[%emt 0:01:00]} 28. cxd4 {[%emt 0:00:00]} Bb4 {[%emt 0:00:30]} 29. Ree3 {[%emt 0:02:00]} Rb8 {[%emt 0:00:00]} 30. c3 {[%emt 0:00:00]} Rab6 {[%emt 0:01:00]} 31. Be4 {[%emt 0:01:00]} Ba3 {[%emt 0:00:00]} 32. Rd2 {[%emt 0:00:00]} Bc1 {[%emt 0:01:00]} 33. Qe2 {[%emt 0:00:00]} Qa4 {[%emt 0:00:30]} 34. fxe6 {[%emt 0:00:00]} Bb2+ {[%emt 0:00:00]} 35. Rxb2 {[%emt 0:00:00]} Rxb2 {[%emt 0:00:00]} 36. Qxb2 {[%emt 0:00:00]} Qd1+ {[%emt 0:01:30]} 37. Qb1 {[%emt 0:00:00]} Rxb1+ {[%emt 0:00:00]} 38. Bxb1 {[%emt 0:00:00]} Qd2 {[%emt 0:00:00]} 39. Rd3 {[%emt 0:04:00]} Qe2 {[%emt 0:00:00]} 40. d5 {[%emt 0:00:00]} a4 {[%emt 0:00:00]} 41. a3 {[%emt 0:00:00]} Kf8 {[%emt 0:32:30]} 42. d6 {[%emt 0:00:00]} Ke8 {[%emt 0:00:00]} 43. Rd4 {[%emt 0:00:00]} 1-0

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.08"]
[Round "11.6"]
[White "Mollah Abdullah, Al Rakib"]
[Black "Md., Sharif Hossain"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2459"]
[BlackElo "2211"]
[Annotator "TA"]
[PlyCount "119"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,119,0,-8,20,0,24,14,81,93,91,91,112,73,79,75,85,84,91,87,122,117,108,108,106,114,110,116,91,97,156,131,232,238,235,66,67,60,71,27,264,268,257,180,201,170,193,182,178,56,61,49,55,49,72,61,60,50,74,49,52,41,64,6,42,24,46,0,90,38,42,6,99,112,101,63,102,95,107,0,0,-15,-8,-8,-8,-24,-8,-8,-10,-10,-10,-10,-2,-79,-66,-72,-64,-59,-52,-144,-132,-139,-139,-677,-634,-625,-617,-1494,-1412,-1524]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. cxd5 exd5 6. Bg5 h6 7. Bh4 Bd6 {D35: Queen's Gambit Declined: Exchange Variation.} 8. Qc2 Bg4 9. Ne5 {[#]} Qc8 $146 (9... Be6 $11) ({Predecessor:} 9... g5 10. Bg3 Be6 11. e3 Ne4 12. Nxe4 dxe4 13. Bc4 Bb4+ 14. Ke2 Bd5 15. Qb3 Qa5 {1-0 (32) Alcala,W (2030)-Jimenez,R San Carlos 2012}) 10. Bxf6 (10. Nxg4 {feels hotter.} Qxg4 11. Bxf6 gxf6 12. O-O-O Bb4 13. h3) 10... gxf6 11. Nxg4 Qxg4 12. e3 (12. O-O-O {with more complications.} Nd7 13. e4 Nb6 14. f3 Qc8 15. Kb1) 12... Nd7 13. g3 Qf3 14. Rg1 Qh5 15. h4 Rg8 16. Be2 Qg6 17. Bd3 Qg4 18. Bh7 Rg7 19. Bf5 Qf3 20. Bd3 {Black must now prevent Be2.} Bb4 ({Black should play} 20... Qh5) 21. Qb3 $36 {[%mdl 2048] Black is under strong pressure.} Ba5 (21... Bxc3+ $16 22. bxc3 Nb6) 22. Be2 $1 $18 (22. Qxb7 Rb8 23. Be2 Bxc3+ 24. bxc3 Qxe2+ $3 {[%mdl 512]} 25. Kxe2 Rxb7 $19) 22... Qf5 23. Qa3 $2 (23. Qxb7 $18 Rb8 24. Qxa7 Bxc3+ 25. bxc3) 23... Bc7 $14 24. Rc1 {[%cal Oc3b5]} Qe6 {[#]} 25. Bd3 (25. Nb5 $1 $16 Bb8 26. Kd2 $1) 25... O-O-O (25... f5 $1 $11) 26. Qxa7 $18 {aiming for Qa8+.} Rxg3 27. Qa8+ (27. fxg3 $2 Qxe3+ 28. Ne2 Re8 29. Qa8+ Nb8 $19) 27... Nb8 28. Kd2 (28. fxg3 $2 {is the wrong capture.} Qxe3+ 29. Ne2 Re8 $19) 28... Rxg1 29. Rxg1 Bd6 30. Qa4 (30. Na4 $18) 30... Nd7 $14 {[%cal Bb8d7,Bd7b6,Bb6c4][%mdl 32]} 31. Qc2 Kb8 32. Bf5 Qe7 33. Kc1 Nb6 34. Kb1 Bb4 35. Ne2 Nc4 {[%cal Ob4a3]} 36. Ka1 Qc7 37. Nf4 (37. Bd3 $14) 37... Qa5 38. Nd3 Bd6 39. Qc3 (39. Nc1 $14) 39... Qa4 {[#]} (39... Qxc3 $11 40. bxc3 Bf8) 40. Nc1 (40. b3 $1 $16 {[%cal Rb3a4]} Qa3 41. Qe1) 40... Bb4 41. Qc2 Qa5 (41... Qxc2 $11 {remains equal.} 42. Bxc2 Be7) 42. Bd3 $16 b5 43. Ne2 Rc8 44. Bxc4 dxc4 45. Qf5 (45. Kb1 $16) 45... Be1 $11 46. Rg2 ({Wrong is} 46. Qxf6 $2 Qd2 47. a4 Qxe2 $19) 46... Qd2 47. Nc3 Qc1+ 48. Qb1 $1 {[#]} Qxc3 49. bxc3 Bxc3+ 50. Qb2 Bxb2+ 51. Kxb2 {[%mdl 4096] Endgame KR-KR} c5 52. Kc3 (52. dxc5 $11 {keeps the balance.} Rxc5 53. Rg7) 52... cxd4+ $17 53. exd4 Kb7 {Strongly threatening ...Ra8.} 54. Rg7 Rc7 55. Rh7 ({White should try} 55. Rg3 $15) 55... b4+ $1 56. Kc2 Re7 57. Kd2 {[%mdl 8192] Prevents Re2+.} (57. Kd1 $17) 57... Kc6 $19 {And now ...Ra7 would win. Black is clearly winning.} 58. Rxh6 Ra7 59. Rxf6+ Kd5 60. Rf5+ {Never resign too early!  Weighted Error Value: White=0.46/Black=0.21 (precise)} 0-1

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.08"]
[Round "11.7"]
[White "Murshed, Niaz"]
[Black "Rahman, Ziaur"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2419"]
[BlackElo "2413"]
[Annotator "TA"]
[PlyCount "124"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,124,5,0,36,35,53,51,43,13,101,56,81,91,58,74,64,52,54,59,93,54,92,106,110,99,133,97,90,76,101,89,140,150,158,129,116,107,146,129,121,93,98,81,204,189,191,221,370,370,406,333,444,445,435,419,29989,514,480,458,544,534,534,532,488,227,601,447,588,224,231,225,230,224,230,230,256,222,203,187,212,8,196,189,166,147,189,178,29961,29966,29968,29970,29970,29971,29977,29978,29978,29979,29979,29980,29980,29980,29985,29986,29988]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be7 7. e3 O-O 8. Bd3 Nbd7 9. Nge2 Re8 10. O-O Nf8 11. f3 g6 {is more profitable than 11...Be6 at the moment.} 12. Rad1 Nh5 {D36: Queen's Gambit Declined: Exchange Variation: Main line (5 Bg5 c6 6 Qc2).} 13. Bxe7 Qxe7 14. e4 Be6 {White is slightly better.} 15. e5 {[#]} c5 $146 (15... Ng7 $11 {remains equal.}) ({Predecessor:} 15... Ng7 16. f4 Bf5 17. Bxf5 Nxf5 18. Qd3 Ng7 19. g4 f5 20. gxf5 Nxf5 21. Ng3 Qf7 {½-½ (38) Genov,P (2437)-Fomichenko,E (2456) Guingamp 2011}) 16. Bb5 (16. Qd2 $16) 16... Rec8 17. dxc5 Qxc5+ 18. Nd4 a6 19. Ba4 {[%cal Bb5a4,Ba4b3,Bb3c2,Bc2d3][%mdl 32]} b5 20. Bb3 b4 21. Nce2 Qa7 22. Qd2 a5 23. Kh1 Ng7 24. h3 Rc5 25. Bc2 Rac8 26. Bd3 Qd7 ({Black should try} 26... Qe7) 27. g4 $16 Qd8 28. Kg2 {White is much more active. Black has bad knights.} Bd7 29. f4 {f5 is the strong threat.} f6 30. exf6 Qxf6 31. f5 $36 {[%mdl 2048] White is in control.} gxf5 32. gxf5 (32. Nb3 R5c7 $11) 32... Ba4 (32... Kh8 $16 {was necessary.}) 33. Rde1 $1 $18 Kh8 34. Ne6 $1 Nfxe6 (34... Nd7 {was worth a try.} 35. Nxc5 Nxc5) 35. fxe6 Qxe6 36. Nd4 Qd6 37. Qg5 {To avoid Nh5} (37. Rf7 R5c7 38. Rxc7 Rxc7 $14) 37... Rg8 {Strongly threatening ...Nh5.} 38. Kh1 $1 Ne8 {[#]} (38... Rc6 $18 39. Nxc6 Bxc6 40. Bxh7 Kxh7 41. Qh4+ (41. Rf6 $2 d4+ 42. Kg1 Qxf6 $19) 41... Qh6 42. Qxh6+ Kxh6 43. Rf6+ Kh7 44. Rxc6 Nf5) 39. Qh4 (39. Re7 $142 $1 {[%mdl 512]} Qxe7 40. Qxe7 Rc7 41. Qe5+ Rcg7 {[#]} 42. Bxh7 $1 {[%mdl 512]} Bd1 43. Bxg8 Kxg8 44. Qxe8+ Kh7 45. Rf8) 39... Rc7 40. b3 ({Weaker is} 40. Ne6 d4 41. Nxc7 (41. Qxd4+ Qxd4 42. Nxd4 Rd7 $11) 41... Bc6+ 42. Be4 Qxc7 $18) 40... Bc6 41. Re6 {[%mdl 64] Skewer} Qg3 42. Qxg3 Rxg3 43. Nxc6 (43. Rf8+ $142 Rg8 44. Rxg8+ Kxg8 45. Rxc6) 43... Rxd3 $2 (43... Rxh3+ 44. Kg1 (44. Kg2 Rxd3 45. Rxe8+ Kg7 $18) 44... Rxd3) 44. Rxe8+ Kg7 45. Rg1+ $2 (45. Ne7) 45... Kf7 46. Ne5+ Kxe8 47. Nxd3 {[%mdl 4096] Endgame aiming for Rc1. KRN-KR} Rc3 48. Nf4 d4 49. Rg2 Rf3 50. Re2+ Kf7 51. Re4 ({White should play} 51. Ne6 $18 {Black must now prevent Ng5+.} Rxh3+ 52. Kg2) 51... Rf2 $2 (51... d3 $11 {and Black stays safe.} 52. Rd4 d2) 52. Rxd4 Rxa2 53. Nd3 Rc2 (53... Ke6 $16 54. Kg1 Rc2) 54. Rc4 Rxc4 {KR-KN} (54... Rc3 $18) 55. Ne5+ {White mates.} Ke6 56. Nxc4 a4 57. bxa4 {[%cal Bb3a4,Ba4a5,Ba5a6][%mdl 32] KN-KPP} Kd5 58. Nd2 Kd4 59. a5 Kc5 60. Kg2 Kb5 61. Nb3 Kc4 {[#]} 62. a6 $1 Kd5 {Weighted Error Value: White=0.40/Black=0.60} (62... Kxb3 63. a7) 1-0

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.09"]
[Round "12.1"]
[White "Manon, Reja Neer"]
[Black "Rahman, Ziaur"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1989"]
[BlackElo "2413"]
[Annotator "TA"]
[PlyCount "64"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,64,22,8,22,13,10,22,56,0,20,0,167,172,160,103,116,84,94,34,44,21,40,0,62,53,61,71,71,55,48,47,47,24,23,0,23,22,56,58,73,56,87,87,70,71,105,20,15,0,0,-33,-39,-22,-45]} 1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. h3 O-O 6. Be3 a6 $1 {[%mdl 4] now scores much better than the old 6...c6.} 7. Bd3 Nc6 {[%cal Bb8c6,Bc6a7,Ba7b5,Bb5d4,Bd4e2][%mdl 32] B08: Pirc Defence: Classical System.} 8. Qd2 e5 9. d5 {[#]} Na7 $146 ({Predecessor:} 9... Ne7 10. g4 c6 11. dxc6 bxc6 12. O-O-O d5 13. Nxe5 Nxe4 14. Bxe4 Bxe5 15. Bg2 Rb8 {0-1 (27) Movsesian,S (2647)-Carlsen,M (2837) Riadh 2017}) 10. O-O-O ({White should play} 10. a4 $14) 10... Nb5 11. Ne2 Nxe4 $2 12. Bxe4 $18 f5 {[#]} 13. Bd3 (13. Bg5 $142 $1 Bf6 (13... Qe8 14. Bd3) 14. Bd3) 13... f4 $16 {[#]} 14. h4 $1 {[%cal Re3f4,Bh3h4,Bh4h5,Bh5h6][%mdl 32]} fxe3 15. Qxe3 (15. fxe3 $16 {And now c4 would win.} Bg4 16. Kb1) 15... Nd4 $14 16. h5 Nxe2+ 17. Bxe2 (17. Qxe2 $5 {[%cal Rh5g6]} Qf6 18. h6 $11) 17... g5 (17... gxh5 $11 18. Rxh5 h6) 18. h6 ({Don't blunder} 18. Nxg5 $2 Bh6 19. Kb1 (19. f4 $2 exf4 20. Qb3 Qxg5 $19) 19... Qxg5 $19) 18... Bf6 19. Nd2 Bf5 20. Bd3 Bxd3 21. Qxd3 Qd7 22. f3 g4 23. Rh5 Kh8 24. Rf1 {With the idea fxg4.} Be7 {[%cal Bf6e7,Be7d6,Bd6c5][%mdl 32]} 25. f4 $1 Qe8 26. Rf5 Qg6 {[%csl LRf5,LRh6]} 27. fxe5 dxe5 28. Qe4 Rxf5 29. Rxf5 ({Better is} 29. Qxf5 $16 Kg8 30. Qxe5) 29... Bd6 $11 30. c4 {[%cal Oc4c5] c5! is the strong threat.} Qxh6 31. c5 Bxc5 32. Qxe5+ Qg7 {Weighted Error Value: White=0.21 (precise) /Black=0.26 (precise)} 0-1

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.09"]
[Round "12.2"]
[White "Md., Sharif Hossain"]
[Black "Murshed, Niaz"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "2211"]
[BlackElo "2419"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,102,16,21,2,13,7,6,2,12,7,10,-22,-6,-10,-11,-14,-18,-6,1,-8,18,0,9,-11,4,-22,-15,-178,-170,-343,-283,-289,-291,-285,-285,-291,-281,-288,-284,-493,-511,-504,-495,-512,-495,-500,-489,-506,-498,-662,-662,-872,-727,-797,-834,-1120,-1073,-1137,-1008,-1078,-1060,-1043,-1043,-1041,-1040,-1033,-958,-1235,-1195,-1366,-1296,-1287,-1253,-1156,-1145,-1939,-1922,-1900,-1653,-2729,-2732,-4133,-4975,-2695,-2413,-29969,-12833,-29940,-12840,-5181,-5889,-29972,-29979,-29987,-1031]} 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. O-O Bg7 5. Re1 e5 6. a3 {[%cal Ob2b4] B31: Sicilian: 2...Nc6 3 Bb5 g6.} Nge7 7. d3 {[%cal Ob2b4]} O-O 8. Be3 {The position is equal.} Nd4 9. Bc4 d6 {[#]} 10. Ng5 $146 ({Predecessor:} 10. Nbd2 d5 11. exd5 Nxd5 12. Bg5 Nxf3+ 13. Nxf3 Qd6 14. Bd2 Nb6 15. Bb3 Be6 16. Bxe6 Qxe6 {½-½ (31) Schakel,C (2359)-Latronico,N (2473) ICCF email 2009}) 10... h6 11. c3 Ndc6 12. Nf3 b6 13. b4 Bb7 14. Qb3 Rb8 15. Nbd2 Qe8 16. h3 Kh8 17. Nh2 f5 {Hoping for ...f4.} 18. f4 $2 {This costs White the game.} (18. f3 $11 {and White has nothing to worry.}) 18... fxe4 $19 19. Nxe4 $2 (19. dxe4 exf4 20. Bf2) 19... exf4 20. Bf2 d5 21. Bxd5 Nxd5 22. Qxd5 {[%cal Oe4c5] [#]} Nxb4 $1 {[%mdl 512]} 23. Qd6 Rd8 24. axb4 $2 (24. Nxc5 Rxd6 25. Rxe8 Rxe8 26. Nxb7) 24... Rxd6 25. Nxd6 Qc6 {[%csl Gb7][%cal Rc6g2]} 26. Nxb7 Bxc3 27. Nxc5 bxc5 28. Bxc5 Bxe1 29. Bxf8 {[#]} Bxb4 {[%mdl 512]} 30. Bxb4 (30. Bxh6 g5) 30... Qb6+ 31. Kf1 Qxb4 {[%mdl 4096] Endgame KQ-KRN} 32. Nf3 a5 {[%cal Ba7a5,Ba5a4][%mdl 32]} 33. Rc1 a4 34. Rc8+ Kg7 35. Rc7+ Kf8 36. Rc4 Qb1+ 37. Ke2 g5 38. Nd2 Qg1 {Strongly threatening ...a3.} 39. Rxa4 Qxg2+ 40. Kd1 Qh1+ 41. Kc2 Qxh3 42. Ne4 Qe3 43. Ra6 Kg7 44. Nd6 Qe6 45. Ra7+ Kg6 46. Ne4 g4 {And now ...g3 would win.} 47. Kd2 Qb6 (47... g3 $142 48. Ra1 g2 49. Kc2 Qb6 50. Nd2 Qc5+ 51. Kb3 Qd4 52. Ka2 Qxd3 53. Nb3 f3 54. Rc1 f2 55. Rc6+ Kf5 56. Rc5+ Kg4 57. Nc1 Qa6+ 58. Kb1 f1=Q 59. Rc2 Qa3 60. Rb2 Qf5+ 61. Rc2 Qb5+ 62. Nb3 g1=Q+ 63. Rc1 Qgxc1#) 48. Ra8 Qb2+ 49. Kd1 f3 {( -> ...Qe2+)} 50. Rg8+ Kh5 51. Rf8 Qb1+ {Weighted Error Value: White=0.98/Black=0.11 (very precise)} 0-1

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.09"]
[Round "12.3"]
[White "Mohammad, Minhaz Uddin"]
[Black "Mollah Abdullah, Al Rakib"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "2259"]
[BlackElo "2459"]
[Annotator "TA"]
[PlyCount "137"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,137,57,51,51,57,57,52,54,92,54,69,58,46,42,55,33,33,33,40,12,13,2,2,4,2,0,0,0,0,-27,-27,-34,-34,-66,-39,-81,-80,-87,0,0,0,0,0,-9,-12,-11,-25,-74,0,-124,-34,-41,-40,-40,-41,-44,-26,-34,-23,-33,-7,-3,-8,-14,-14,-25,-11,-18,-16,-55,-36,-43,0,-54,0,-13,0,0,0,0,0,0,0,0,29,28,31,5,14,0,0,0,3,8,2,2,39,39,14,14,18,31,30,10,20,18,321,303,193,0,0,0,0,0,0,0,0,8,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 a6 3. c4 e6 4. Nc3 b6 5. d4 cxd4 6. Nxd4 Bb7 7. Be2 {A34: Symmetrical English: 2 Nc3, lines with ...d5.} Qc7 8. Be3 $1 {[%mdl 4] now scores much better than the old 8.0-0.} Nf6 9. f3 {White is slightly better.} d6 10. O-O Nbd7 11. Rc1 {White is more active.} Be7 12. b4 O-O 13. Qb3 Rac8 14. Rfd1 Rfe8 15. Na4 Qb8 16. Bf1 {[#]} d5 $146 ({Predecessor:} 16... Bd8 17. b5 a5 18. Nc6 Bxc6 19. bxc6 Nc5 20. Qb5 Qc7 21. Nxb6 Qxb6 22. Rxd6 Qxb5 23. cxb5 {1-0 (34) Brodowski,P (2365)-Lubczynski,R (2368) Chotowa 2007}) 17. cxd5 exd5 18. Rxc8 Rxc8 19. Nf5 Bf8 20. exd5 (20. Bxb6 dxe4 21. Bc5 exf3 $17) 20... Qe5 {[%csl LRd5,LRf5]} 21. Qb1 Nxd5 22. Bd4 Qf4 23. b5 (23. Qe4 $1 $15 g6 24. Qxf4 Nxf4 25. Ne3) 23... g6 $17 24. Ng3 ({Wrong is} 24. bxa6 $2 Bc6 25. Nb2 gxf5 $19) 24... a5 (24... axb5 $1 $17 25. Ne2 Qh6 26. Qxb5 Bc6) 25. Qe4 Qc7 {[%cal Od5c3] ...Nc3! is the strong threat.} 26. Bb2 {To avoid Nc3} N7f6 27. Qe5 Qxe5 28. Bxe5 Nd7 29. Bb2 (29. Bd4 $1 $11) 29... f5 (29... Nc5 $17 30. Nxc5 Bxc5+ 31. Kh1 Ne3) 30. Rc1 (30. Ne2 $11 {remains equal.}) 30... Rxc1 (30... Nc5 $1 $17 {[%cal Rc5a4]} 31. Rc4 Nxa4 32. Rxa4 Rc2) 31. Bxc1 $15 Nc5 32. Nb2 Bg7 33. Bc4 Bd4+ 34. Kf1 Kf8 {Hoping for ...Bxb2.} 35. Nd1 Nd7 36. Ne2 Be5 37. Ba3+ Ke8 38. g3 N7f6 39. Kf2 Kd7 40. Bf8 Ne8 (40... Bd6 $5 {[%cal Rd6f8]} 41. Bxd6 Kxd6 $15) 41. Ne3 Ndc7 (41... Nxe3 $15 42. Kxe3 Bd6) 42. Bd3 (42. h4 $11) 42... Ne6 ({Black should play} 42... Nd6 $1 $15) 43. Ba3 Nf6 44. Nc4 {[%csl LRb6,LRe5]} Bc7 45. Bb2 Nd5 46. a3 {Prevents Nb4.} Bd8 47. Nd4 Nec7 48. Ne5+ Ke8 49. Bc4 Bf6 50. Nd3 Kd7 51. Ke2 Ne8 52. a4 Nd6 53. Bb3 g5 {[#]} 54. Nxf5 $1 Bxb2 55. Nxd6 Kxd6 56. Nxb2 $14 {[%mdl 4096] Endgame KBN-KBN} Kc5 $1 57. Bc2 h6 58. Be4 Kb4 $2 {[%mdl 8192]} (58... g4 $11 {and Black is okay.}) 59. Kd3 $1 $18 Kb3 {[#]} 60. Nc4 ({White should try} 60. Kd4 $1 $18 Nc3 61. Bxb7 Kxb2 62. f4 gxf4 63. gxf4 Nxa4 64. f5) 60... Nb4+ $11 {The position is equal.} 61. Kd4 Bxe4 62. fxe4 Kxa4 {KN-KN} 63. Nd6 Kb3 $1 64. e5 {And now e6 would win.} a4 $1 {aiming for ...a3.} 65. Nc4 Nc2+ 66. Kd5 $1 Nb4+ (66... a3 $2 67. Nxa3 $1 Nxa3 68. Kc6 $18 (68. e6 Nxb5 69. e7 Nc7+ 70. Kc6 Ne8 $11)) 67. Kd4 Nc2+ 68. Kd5 $1 {Black must now prevent e6.} Nb4+ (68... a3 $2 {[#]} 69. Nxa3 $1 Nxa3 70. Kc6 $18 (70. e6 Nxb5 71. e7 Nc7+ 72. Kc6 Ne8 $11)) 69. Kd4 {Weighted Error Value: White=0.19 (very precise) /Black=0.23 (precise)} 1/2-1/2

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.09"]
[Round "12.4"]
[White "Nayem, Haque"]
[Black "Mehdi, Hasan Parag"]
[Result "0-1"]
[ECO "D12"]
[WhiteElo "2091"]
[BlackElo "2230"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,58,0,0,-15,11,-15,-4,-20,0,-11,-16,-40,-35,-136,-126,-123,-137,-127,-129,-124,-135,-138,-136,-339,-339,-344,-335,-404,-364,-339,-257,-270,-257,-257,-267,-267,-264,-263,-202,-212,-219,-260,-258,-253,-265,-417,-417,-417,-417]} 1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nc3 Bf5 5. Qb3 Qb6 6. Nf3 e6 7. Bd2 {D12: Slav Defence: 3 Nf3 Nf6 4 e3 Bf5.} Nbd7 8. Be2 Be7 9. O-O {The position is equal.} O-O 10. Rac1 Rfe8 11. Na4 Qc7 {[#]} 12. Bb4 $146 (12. Rfe1 $15) ({Predecessor:} 12. cxd5 exd5 13. Bb4 Bxb4 14. Qxb4 Nb6 15. Nc5 Nfd7 16. a4 Nxc5 17. Rxc5 Nd7 18. Rc3 {1-0 (53) Lopez Mulet,I-Chao Vale,F (1561) Padron 2008}) 12... dxc4 $1 $17 13. Bxc4 Bxb4 14. Qxb4 b5 $1 15. Bxb5 {[#]} Qb7 16. Rxc6 {[#] Threatens to win with Nc5.} Rab8 $1 {[%cal Ob7c6] And now ...Qxc6! would win.} 17. Nc3 $2 {[#]} (17. Rfc1 $17 {was called for.}) 17... Qxc6 $1 $19 {[%mdl 512]} 18. Bxc6 Rxb4 19. e4 Bg4 20. Ne5 Rxd4 21. Bxd7 Rxd7 22. Nxd7 Nxd7 23. f3 Bh5 24. Rd1 Nb8 25. Nb5 a6 26. Nc7 Rc8 27. Rd6 g5 28. b4 (28. Nxa6 $142 Nxa6 29. Rxa6) 28... Rxc7 29. Rd8+ Kg7 {Black took control after the opening.  Weighted Error Value: White=0.44/Black=0.09 (flawless)} 0-1

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.09"]
[Round "12.5"]
[White "Reefat, Bin-Sattar"]
[Black "Hossain, Enamul"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2394"]
[BlackElo "2398"]
[Annotator "TA"]
[PlyCount "80"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,80,14,15,0,0,-13,-4,-25,36,0,12,19,16,19,18,25,25,-8,64,-30,0,0,0,0,0,0,0,-56,-59,-62,-54,-53,-53,-82,-49,-63,-75,-77,-6,-6,0,0,0,-45,-46,-53,-52,-1252,-1235,-1158,-465,-604,-599,-1075,-463,-1164,-1023]} 1. e4 c5 2. Nf3 {[%cal Bg1f3,Bf3d4,Bd4b5,Bb5a3,Ba3c2][%mdl 32]} e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 {[%cal Bb7b5,Bb5b4][%mdl 32]} 10. Nd5 Be7 11. Bxf6 Bxf6 12. c4 b4 13. Nc2 a5 {13...0-0 injects fresh life into this line.} 14. Bd3 {B33: Sicilian: Pelikan and Sveshnikov Variations.} O-O 15. h4 Be6 {[#]} 16. Qf3 $146 {The position is equal.} ({Predecessor:} 16. Nce3 Be7 17. Nf5 Bxf5 18. exf5 Bf6 19. Be4 Rc8 20. Qd3 Nd4 21. g4 Qe8 22. g5 Bd8 23. f6 {½-½ (33) Baeta,M (1960)-Campos,A (2089) Rio de Janeiro 2018}) 16... Rb8 (16... Be7 $11) 17. b3 Bxd5 18. cxd5 Nd4 19. Nxd4 exd4 20. Rc1 Rc8 21. Rc6 Qd7 (21... Rxc6 $11 22. dxc6 Qb6) 22. e5 (22. Qh3 $14 Qe8 23. Rxc8 (23. Rxd6 Qe5 $14) 23... Qxc8 24. Qxc8 Rxc8 25. Ke2) 22... Rce8 23. e6 fxe6 24. O-O {Strongly threatening dxe6.} e5 25. Qe4 g6 26. Rfc1 (26. h5 $11) 26... Bd8 $15 {[#] Threatens to win with ...Rf4.} 27. g3 {To avoid Rf4} Rf6 28. R1c2 Ref8 29. Ra6 Kh8 30. Rac6 Qf7 {[%cal Rf6f2]} 31. Qg2 ({Don't go for} 31. f4 $2 exf4 32. g4 (32. Qxd4 $2 Kg8 $19) 32... f3 $19) 31... Rf3 (31... Kg7 $17) 32. Be4 $11 Rc3 33. Rxd6 {[%cal Oh4h5]} Qa7 {aiming for ...d3.} 34. Rd2 {Prevents d3.} (34. Kh1 $11 {is more appropriate.}) 34... d3 $1 $15 35. Bxd3 {Qe4 is the strong threat.} Bb6 $1 $36 {[%mdl 2048] Black has some pressure.} 36. h5 $2 {[%mdl 8192] [#] Now White is beyond hope.} (36. Qe4 $15 Bxf2+ 37. Kg2) 36... Bxf2+ $1 $19 {[%mdl 512] Black is clearly winning.} 37. Kh2 (37. Kh1 Qe3) 37... Be3 (37... Qe3 $142 38. Re2 Qxd3 39. Rxf2 Rxf2 40. Qxf2 Rc2) 38. Re2 Rxd3 39. hxg6 Bh6 (39... Bf2 $142 40. Rd8 Rxd8 41. Qxf2 Qxf2+ 42. Rxf2 hxg6) 40. gxh7 (40. Qe4 $142 Rd1 41. Qxe5+ Bg7 42. Qe3) 40... Qg7 {Weighted Error Value: White=0.68/Black=0.40} 0-1

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.09"]
[Round "12.6"]
[White "Subrota, Biswas"]
[Black "Chatterjee, Debaraj"]
[Result "1/2-1/2"]
[ECO "B96"]
[WhiteElo "2199"]
[BlackElo "2204"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,39,12,4,2,11,12,0,15,0,0,0,31,0,0,0,0,-28,-3,-22,0,-4,0,-76,-62,-91]} 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 h6 8. Bh4 Qb6 9. a3 Be7 {[%cal Of6e4] B96: Sicilian Najdorf: 6 Bg5 e6 7 f4, lines other than 7...Qb6 and 7...Be7.} (9... Qxb2 $2 10. Na4 Qxa1 11. Qxa1 $18) 10. Bf2 {[%cal Od4e6]} Qc7 (10... Qxb2 $2 11. Na4 Qxa1 12. Qxa1 $18) 11. Qf3 b5 {The position is equal.} 12. O-O-O Bb7 13. g4 {[#] aiming for g5.} d5 $1 {[%mdl 4] is recently more successful than 13...Nbd7.} 14. e5 (14. exd5 $14 Nxd5 15. Bg2) 14... Ne4 $11 15. Nxe4 dxe4 16. Qe3 Nc6 17. Nxc6 Qxc6 18. Bg2 Rc8 {[%csl Gc8][%cal Rc6c2] [#]} 19. Qb3 $146 {Active counter play!} (19. Qe2 $11) ({Predecessor:} 19. c3 Qc4 20. Qd4 Bd5 21. Qxc4 Rxc4 22. Bd4 Bh4 23. b3 Rc8 24. Kb2 Ke7 25. Rd2 {0-1 (35) Mrudul,D (1942)-Raja,R (2155) Mumbai 2017}) 19... Qc7 20. c3 {Weighted Error Value: White=0.16 (very precise) /Black=0.06 (flawless)} 1/2-1/2

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.09"]
[Round "12.7"]
[White "Zia, Tahsin Tajwar"]
[Black "Islam, Khandaker Aminul"]
[Result "0-1"]
[ECO "E00"]
[WhiteElo "2232"]
[BlackElo "2155"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,110,8,10,11,9,-5,12,13,15,12,13,7,14,0,8,0,12,-26,-24,-35,-26,-37,-34,-36,-22,-27,-34,-31,-33,-57,-3,-25,0,-26,16,0,0,-54,-45,-47,-44,-60,-43,-40,-37,-33,0,-20,0,-41,-33,-130,-134,-131,-147,-193,-143,-237,-229,-235,-214,-225,-194,-299,-303,-344,-329,-683,-483,-475,-467,-662,-608,-612,-387,-372,-356,-448,-475,-468,-454,-551,-551,-657,-551,-540,-488,-1762,-577,-1587,-1530,-2709,-2440,-29972,-29972,-29964,-29979,-29977,-29978,-29991,-29992,-29992,-29993]} 1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Nd2 a5 5. Bg2 d5 6. Ngf3 {E00: Catalan Bogo-Indian (3 g3 Bb4+).} O-O {6...dxc4 is the hot move.} 7. Qc2 b6 8. O-O {The position is equal.} Bb7 9. a3 Be7 10. cxd5 exd5 11. Ne5 c5 {[#]} 12. Rd1 $146 ({Predecessor:} 12. Ndf3 c4 13. Bf4 b5 14. Rfd1 Na6 15. Nd2 Nh5 16. Be3 f6 17. Qf5 fxe5 18. Qxh5 {1-0 (47) Cheremnova,T (2156)-Tashimova,N (2073) Novokuznetsk 2008}) 12... Qc8 13. h3 Re8 14. Ndf3 {[%cal Bd2f3,Bf3h2,Bh2g4,Bg4e5][%mdl 32]} Nc6 15. Nxc6 Qxc6 16. Bg5 h6 17. Bxf6 (17. Ne5 {with more complications.} Qd6 18. Bf4 Qe6 19. h4 Bd6 20. Qb3) 17... Bxf6 18. Rac1 {[%cal Rd4c5]} c4 19. Nh2 Rad8 ({Better is} 19... b5 $15) 20. Ng4 (20. b3 $5 {[%cal Rb3c4]}) 20... Bg5 21. e3 (21. Ne5 $5 {[%cal Re5c6]} Qc7 22. e3 $11) 21... b5 (21... Be7 $142 $1) 22. Ne5 Qa6 23. Qe2 (23. b3 $1 $11) 23... Bf6 $15 24. f4 Be7 25. Qh5 Rf8 26. Rf1 b4 27. axb4 axb4 28. h4 Bf6 29. Qf3 (29. Ra1 $11 {is more appropriate.} Qb6 30. Rf2) 29... Bc8 30. g4 {White is now going downhill.} (30. Ra1 $15 Qb5 31. Qd1) 30... Bxh4 $17 31. Qh3 Bf6 {This bishop pair is nice.} 32. Bf3 (32. Ra1 $17 Qb5 33. Qg3) 32... Qb6 (32... Bxe5 $19 33. fxe5 Qe6) 33. Rc2 (33. Qh5 $17) 33... Bxe5 $19 34. fxe5 Qg6 35. Rcf2 Qg5 36. Bd1 (36. Re1 {was worth a try.}) 36... b3 37. Kh1 Be6 38. Rf5 $2 {[#]} (38. Qg3) 38... Qg6 39. R5f2 Ra8 40. Bf3 (40. Qg2 $142 Ra1 41. Bf3 Rxf1+ 42. Rxf1) 40... Ra2 {[%cal Oc4c3]} 41. Qg2 Rd8 42. e4 {[%cal Re4d5]} Ra5 ({Don't go for} 42... dxe4 $2 43. Bxe4 Qxe4 44. Qxe4 $19) 43. Kg1 dxe4 44. Bxe4 Qg5 45. Rf4 Rxd4 46. Qf2 {[#]} Rxe4 47. Rxe4 Rxe5 48. Rd4 (48. Qa7 $142 Rxe4 49. Qa8+ Bc8 50. Qxe4 Bxg4 51. Qf4) 48... Qg6 (48... Bxg4 $142 {( -> ...Bh3+)} 49. Qxf7+ Kh7) 49. Qg3 Rg5 {[%cal Re6g4]} 50. Rff4 Qb1+ 51. Kh2 Qxb2+ {Black mates.} 52. Kg1 Qa1+ 53. Kh2 b2 54. Rxf7 b1=Q {[%csl Ga1][%cal Rb1h1]} 55. Rd8+ Kh7 {Weighted Error Value: White=0.69/Black=0.30} 0-1

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.10"]
[Round "13.1"]
[White "Islam, Khandaker Aminul"]
[Black "Manon, Reja Neer"]
[Result "1/2-1/2"]
[WhiteElo "2155"]
[BlackElo "1989"]
[Annotator "NA RC"]
[PlyCount "10"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "40/5400+30:1800+30"]

{[%evp 8,10,43,33,43]} 1. Nf3 {[%emt 0:00:06]} Nf6 {[%emt 0:00:39]} 2. c4 {[%emt 0:00:02]} g6 {[%emt 0:00:11]} 3. Nc3 {[%emt 0:00:05]} Bg7 {[%emt 0:00:07]} 4. e4 {[%emt 0:00:07]} d6 {[%emt 0:00:05]} 5. d4 {[%emt 0:00:04]} O-O $14 {[%emt 0:00:20]} 1/2-1/2

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.10"]
[Round "13.2"]
[White "Chatterjee, Debaraj"]
[Black "Zia, Tahsin Tajwar"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2204"]
[BlackElo "2232"]
[Annotator "TA"]
[PlyCount "52"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,52,13,31,4,0,-24,-24,-32,-24,-38,-21,-20,24,14,26,5,50,-14,0,0,0,0,0,0,0,-22,0,0,2,18,24,0,0,0,0,0,0,0,1,0,0,0,0,0,0]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Nbd7 6. Nfd2 {E04: Open Catalan: 5 Nf3.} Nb6 {[#]} 7. e3 $146 ({Predecessor:} 7. Nxc4 Bb4+ 8. Nc3 O-O 9. Ne5 c5 10. dxc5 Qxd1+ 11. Kxd1 Bxc5 12. Nd3 Be7 13. b3 Rd8 {0-1 (66) Solovyov,V (2290)-Shimanov,A (2581) St Petersburg 2021}) 7... c5 8. dxc5 {Black has an edge.} Bxc5 9. O-O Qd3 10. a4 a5 (10... O-O $142) 11. Na3 $1 $11 {[%cal Od2c4]} c3 12. bxc3 Bd7 ({Don't do} 12... Qxc3 13. Nb3 Bd7 14. Nb5 Bxb5 15. Bd2 $14) (12... O-O $11) 13. Nab1 (13. Nb5 $1 $14) 13... Bc6 14. Bxc6+ bxc6 15. Nb3 {[%csl LRc5,LRd3]} Qxd1 16. Rxd1 Be7 17. Nd4 Rc8 18. Nb3 Nc4 19. N1d2 Rd8 {[%cal Of6e4]} 20. Rf1 (20. Nd4 $5 {[%cal Rd2c4]} Nxd2 21. Bxd2 $14) 20... Nxd2 {The position is equal.} 21. Bxd2 Ne4 22. Rfd1 Bf6 23. Be1 Bxc3 24. Rxd8+ Kxd8 25. Bxc3 Nxc3 26. Nxa5 Kc7 {Weighted Error Value: White=0.09 (flawless) /Black=0.09 (flawless)} 1/2-1/2

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.10"]
[Round "13.3"]
[White "Hossain, Enamul"]
[Black "Subrota, Biswas"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2398"]
[BlackElo "2199"]
[Annotator "TA"]
[PlyCount "47"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,47,30,12,11,6,15,24,19,19,67,73,33,39,85,90,67,101,215,217,281,291,287,283,459,446,549,577,575,575,674,639,1231,1083]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. d4 Bb6 9. Be3 O-O {C78: Ruy Lopez: Archangelsk and Möller Defences.} 10. Nbd2 Bg4 11. h3 Bh5 {White has an edge.} (11... exd4 {looks sharper.} 12. cxd4 Bh5 13. Rc1 Nxd4 14. Bxd4 Bxd4 15. g4 Bxb2 16. Rc2 Bg6) 12. dxe5 {12.Bg5 is not played anymore.} Nxe5 (12... dxe5 $11 13. Qe2 Bxe3 14. Qxe3 Re8) 13. Bxb6 $14 {Be3 is the strong threat.} cxb6 14. g4 {[#]} Nxf3+ $146 (14... Bg6 $14 {might be stronger.}) ({Predecessor:} 14... Bg6 15. Nd4 Nxe4 16. f3 Nc5 17. f4 Qh4 18. Kh2 Bd3 19. fxe5 Bxf1 20. Qxf1 dxe5 {0-1 (71) Abdusattorov,N (2627)-Maghsoodloo,P (2676) Chess.com INT 2020}) 15. Qxf3 $16 ({But not} 15. Nxf3 Bg6 $11) 15... Bg6 16. Qg2 {White is more active.} Re8 {[#]} (16... Qe7 $16 {was worth a try.}) 17. f4 $1 $18 {[%cal Bf2f4,Bf4f5][%mdl 32] Black must now prevent f5.} h6 (17... Nxe4 $2 18. f5 Ng5 19. Rae1 $18) 18. f5 Bh7 {[#]} 19. h4 $1 {[%cal Bh3h4,Bh4g5][%mdl 32]} Kf8 $2 (19... Nd7 {was necessary.} 20. g5 Kh8 21. Bxf7 Rf8) 20. g5 {White is clearly winning.} hxg5 21. hxg5 Nd7 22. Nf3 {[%cal Bd2f3,Bf3d4,Bd4e6][%mdl 32]} ({Not} 22. g6 Bg8 23. Rad1 Nf6 $18) 22... Bg8 23. Nd4 f6 24. Ne6+ {Weighted Error Value: White=0.01 (flawless) /Black=0.57} 1-0

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.10"]
[Round "13.4"]
[White "Mehdi, Hasan Parag"]
[Black "Reefat, Bin-Sattar"]
[Result "1/2-1/2"]
[WhiteElo "2230"]
[BlackElo "2394"]
[Annotator "TA"]
[PlyCount "32"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,14,0,11]} 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 Be7 {[#]} {Predecessor:} 8. Qd2 $146 {C11: French: Classical System: 4 e5 and 4 Bg5 dxe4.} O-O 9. Bd3 c4 10. Bf1 b5 11. Ne2 f5 12. h3 b4 13. c3 Rb8 14. g4 bxc3 15. bxc3 Ba3 16. Bg2 Rb2 {1-0 (34) Nepomniachtchi,I (2792)-Korobov,A (2683) Zagreb 2021} 1/2-1/2

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.10"]
[Round "13.5"]
[White "Mollah Abdullah, Al Rakib"]
[Black "Nayem, Haque"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "2459"]
[BlackElo "2091"]
[Annotator "TA"]
[PlyCount "227"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,227,0,0,-20,20,17,25,20,26,14,21,12,22,25,27,0,18,7,0,0,0,-28,0,-11,0,-20,8,6,0,0,0,0,257,247,205,207,195,49,90,90,102,0,0,-170,-158,-215,-215,-291,-293,-291,-300,-295,-269,-265,-271,-462,-172,-172,-182,-167,-59,-60,-69,-152,-163,-168,-54,-57,-57,-57,-54,-57,-38,-84,0,0,46,-309,-309,-472,-467,-467,-467,-467,-450,-467,-467,-469,-468,-460,-453,-453,-453,-453,-450,-452,-452,-674,-602,-1187,-1187,-1187,-1179,-1179,-1179,-1179,-1179,-1179,-1179,-1179,-1179,-1179,0,-1179,-1179,-1179,-1179,-1179,-1179,-1179,-1179,-1172,-1172,-1172,-1172,-29972,-1172,-1172,-187,-187,-187,-187,-187,-187,-187,-1172,-174,-1172,-1172,-937,-593,-375,-225,-225,-225,-225,-225,-225,-225,-225,0,-225,-225,-225,-225,-29978,-225,-225,-225,-225,-225,-225,-225,-225,-225,-225,0,-225,-225,-225,-225,-225,-225,-225,-225,-225,-225,-225,-225,-225,-225,-225,0,-225,-225,-225,-225,-225,-225,-225,-100,-100,-100,-225,-100,-225,-100,-100,-100,-100,-61,-61,-61,-61,-61,-61,-61,-61,-61,-61,-61,-61,-40,-40,-40,-40,-40,-40,-28,-28]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Bg5 h6 5. Bh4 Bb4+ (5... g5 $5 6. Bg3 dxc4 $11) 6. Nbd2 {D30: Queen's Gambit Declined: Systems without Nc3.} Be7 {[#]} 7. Rc1 $146 ({Predecessor:} 7. e3 Nc6 8. Rc1 O-O 9. Bd3 Bd7 10. O-O Rc8 11. Bb1 Nh5 12. Bxe7 Qxe7 13. cxd5 exd5 {1-0 (24) Saljova,S-Tkacova,K Czechoslovakia 1990}) 7... O-O 8. e3 {White has an edge.} b6 9. cxd5 exd5 10. Bd3 Nbd7 11. O-O Bb7 12. Bxf6 (12. Bf5 {with more complications.} c5 13. Qc2 Re8 14. dxc5 bxc5 15. Nb3) 12... Bxf6 13. b4 Be7 14. b5 Bd6 15. Bb1 Qe8 16. a4 Nf6 17. Qb3 Ne4 18. Nxe4 dxe4 19. Nh4 Qd7 {[%cal Ob7d5]} 20. f3 Qd8 $2 {[%mdl 8192]} (20... exf3 $11 {and Black is okay.} 21. Nxf3 Rae8) 21. g3 $1 $18 exf3 22. Qd3 {[%csl Gb1][%cal Rd3h7]} f5 23. Ba2+ (23. Nxf5 $18 Qf6 24. e4) 23... Kh7 (23... Kh8 $14 {might be stronger.}) 24. Nxf5 $16 {Threatening mate with Ne7+.} g6 25. Nh4 {Really sharp! White is more active.} (25. Nxd6 $16 cxd6 26. Bb1) 25... Qg5 $1 $36 {[%cal Od6g3][%mdl 2048] Threatens to win with ...Bxg3! White is under pressure.} 26. Kf2 (26. e4 $11) 26... Rae8 $19 27. Bb1 (27. d5 $17 {was necessary.}) 27... Rf6 $1 (27... Be4 28. Qxe4 Rxe4 29. Bxe4 $17) 28. Rc6 Bxc6 29. bxc6 Qg4 30. Rh1 {[%cal Bf1h1,Bh1b1,Bb1b3][%mdl 32]} Qh3 {[%cal Od6g3] ...Bxg3+! is the strong threat.} 31. Qf1 Qe6 {[%csl Ge8][%cal Re6e3]} 32. e4 (32. Qd3 {was the only chance.}) 32... Qb3 $2 (32... Rd8 {[%cal Od6c5] And now ...Bc5! would win.} 33. Qe1 Qb3) 33. Qd3 Qb2+ ({Not} 33... Qxa4 34. Nxg6 (34. e5 Bxe5 35. dxe5 Rxe5 $17) 34... Rxg6 35. e5 $11) 34. Bc2 Bf8 ({Black should play} 34... Bb4 $19 35. Rb1 Qc3 36. Qxc3 Bxc3) 35. Rb1 $15 Qa2 36. d5 (36. e5 $1 $15 Rxc6 37. Rc1) 36... Bc5+ $17 37. Kf1 Qa3 (37... a5 $19 38. Qb3 Qxb3 39. Rxb3 f2) 38. Qxa3 $15 Bxa3 39. Rb3 {[%csl LRa3,LRf3]} Bd6 40. Nxf3 Kg7 41. Ke2 (41. Kg2 $15) 41... Ref8 (41... g5 $17) 42. e5 $11 Rxf3 (42... Re8 $11 {was preferrable.}) 43. exd6 $2 {[%mdl 8192]} (43. Rxf3 $14 {was forced to keep a grip.} Bxe5 44. Rxf8 Kxf8 45. Bxg6) 43... Rxb3 $1 $19 44. dxc7 (44. Bxb3 $142 cxd6 45. Bc4) 44... Rc3 45. Be4 {[#] Hoping for d6.} Rxc6 46. dxc6 {[%mdl 4096] Endgame KR-KB} Rc8 47. Kd3 Kf6 48. Kd4 Ke6 49. Bxg6 Rxc7 50. Be4 Kd6 51. g4 Rg7 52. Bf5 Re7 53. h4 (53. Be4 $142 Re5 54. h4) 53... Kxc6 54. g5 hxg5 55. hxg5 Kd6 56. g6 Rc7 57. Bd3 Ke7 58. Be4 Kf6 59. Bd3 Rc1 60. Be4 Rc7 61. Bd3 $1 Rc5 62. Be4 Ra5 63. Bc2 b5 64. axb5 Rxb5 65. Kc4 Rb8 66. Kc3 a5 67. Kc4 Rb4+ (67... Rc8+ $142 68. Kd3 Kxg6 69. Ba4 Rb8 70. Bc6 Rd8+ 71. Ke4 Rc8 72. Bd7 Rb8 73. Kf3 Kf6 74. Ke3 Ke5 75. Ke2 Rb4 76. Be8 a4 77. Ke3 a3 78. Bf7 Rb2 79. Bg8 a2 80. Bxa2 Rxa2 81. Kd3 Ra4 82. Kd2 Kd4 83. Ke2 Ke4 84. Kd2 Rc4 85. Ke2 Rc2+ 86. Kd1 Kd3 87. Ke1 Ke3 88. Kf1 Rd2 89. Ke1 Rd7 90. Kf1 Rg7 91. Ke1 Rg1#) 68. Kc3 Rg4 $2 (68... Rb6 69. Kd2 Rc6) 69. Kb3 Ke5 70. Ka3 Kd4 {White must now prevent ...Kc3.} 71. Bf5 Rg5 72. Bc2 $2 (72. Bb1) 72... Kc5 $2 (72... Kc3 73. Be4 Rg1) 73. Be4 $2 (73. Kb3) 73... Rg3+ 74. Ka2 Kb4 75. Kb2 a4 76. Ka2 Rg4 77. Bf5 Rg2+ 78. Kb1 Kc3 79. Ka1 Kb4 80. Kb1 Ka3 81. Be6 Rxg6 82. Bd5 $2 (82. Bf7 $19 Rg1+ 83. Kc2) 82... Rg1+ $2 (82... Rb6+ $1 {mates} 83. Kc2 Kb4 84. Bf7 Ka5 85. Bg8 a3 86. Kc3 Rb2 87. Bf7 Kb5 88. Be6 Rg2 89. Bf7 Rf2 90. Bg8 Kc5 91. Kd3 Kb4 92. Kd4 Rb2 93. Ke5 Rb3 $1 {[%mdl 512]} 94. Kf4 a2 95. Bxb3 Kxb3 96. Kg4 a1=Q 97. Kg5 Qe5+ 98. Kg4 Kc4 99. Kf3 Kd3 100. Kf2 Qf6+ 101. Kg1 Ke3 102. Kh2 Qg5 103. Kh3 Kf2 104. Kh2 Qh6#) 83. Kc2 Kb4 84. Kb2 Rg5 85. Be6 Rg2+ 86. Kb1 Ka3 87. Bd5 Rg1+ 88. Kc2 Rg5 89. Be6 Rg6 90. Bd5 Rb6 91. Bf7 Rb2+ 92. Kc1 Rf2 93. Bd5 Kb4 {( -> ...Kc5)} 94. Kb1 Rf1+ 95. Ka2 Rf2+ 96. Kb1 Kc3 97. Be6 Rb2+ 98. Ka1 Kc2 99. Bd5 Kc1 (99... Rb5 $1 $19 {[%cal Rb5d5] has better winning chances.} 100. Bc6 Ra5) 100. Be6 Re2 101. Bf7 {[#]} (101. Bf5 $17 {is the only way for White.} Rb2 102. Be6) 101... Re7 (101... Kc2 $1 $19 {and Black stays clearly on top.} 102. Ka2 Re1) 102. Bc4 {[#]} (102. Bg6 $17 {was forced.} Re6 103. Bf5) 102... Ra7 (102... Kc2 $1 $19 103. Bd5 Re5) 103. Ka2 Kd2 104. Bd5 a3 105. Be6 Kc2 106. Bd5 Kc3 107. Be6 Re7 108. Bd5 Re2+ 109. Ka1 (109. Kxa3 {leads to mate.} Re5 110. Bc6 Ra5+ 111. Ba4 Ra8 112. Ka2 Rxa4+ 113. Kb1 Ra5 114. Kc1 Ra1#) 109... Kb4 110. Bf7 a2 111. Bxa2 Ka3 112. Bb1 Rb2 113. Bf5 Ra2+ 114. Kb1 {Quite a comeback for White.  Weighted Error Value: White=0.43/Black=0.27 (precise)} 1/2-1/2

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.10"]
[Round "13.6"]
[White "Murshed, Niaz"]
[Black "Mohammad, Minhaz Uddin"]
[Result "0-1"]
[ECO "E16"]
[WhiteElo "2419"]
[BlackElo "2259"]
[Annotator "TA"]
[PlyCount "96"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,96,7,13,7,48,37,44,28,16,20,29,8,17,0,9,16,9,12,11,-47,-48,-24,-8,-25,-22,-18,-10,-27,-10,-58,-61,-56,11,8,8,3,16,14,62,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-110,-110,-109,-110,-248,-247,-215,-196,-235,-228,-291,-289,-283,-270,-606,-605,-613,-602,-554,-509,-484,-435,-584,-661,-664,-608,-608,-601,-681,-681,-681,-679]} 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Nbd2 O-O 7. O-O Re8 8. a3 {E16: Queen's Indian: 4 g3 Bb7 5 Bg2 Bb4+.} Bf8 (8... Be7 $11 {deserves consideration.}) 9. e4 $14 d6 (9... Nxe4 10. Ng5 Qxg5 11. Nxe4 Qg6 12. Nf6+ Qxf6 13. Bxb7 Nc6 14. Bxa8 Rxa8 15. Be3 g6 16. Qe2 Bg7 17. Rad1 d6 18. b4 Re8 19. Kg2 a5 {½-½ (67) Murshed,N (2449)-Mohammad,M (2417) Dhaka 2016}) 10. e5 {White is slightly better.} dxe5 11. dxe5 Nfd7 12. Qc2 {[%cal Of3g5] [#] aiming for Ng5!} (12. Ng5 {with more complications.} Bxg2 13. Qh5 h6 14. Qxf7+ Kh8 15. Kxg2 Nxe5 16. Ndf3) 12... Nc6 13. Ne4 {[#]} Qc8 $146 ({Predecessor:} 13... h6 14. Rd1 Qc8 15. Bf4 Nc5 16. Nxc5 bxc5 17. Be3 Rb8 18. Qc3 Ba8 19. Ne1 Rd8 {1-0 (53) Artemiev,V (2674)-Antipov,M (2573) Moscow 2016}) 14. Bf4 ({Reject} 14. Neg5 g6 $15) 14... h6 {Prevents Neg5.} 15. g4 Nc5 16. Ng3 (16. Nc3 $11) 16... Ne7 $1 $15 17. b4 Nd7 18. Ne4 Ng6 19. Bg3 a5 20. b5 $1 Nc5 21. Nxc5 (21. Nd4 $11) 21... Bxc5 22. a4 Qd7 ({Black should play} 22... c6 $1 $15) 23. Rad1 Qe7 24. h4 {[%cal Bh2h4,Bh4h5][%mdl 32] With the idea h5.} Rad8 25. h5 Nf8 (25... Bxf3 $11 26. Bxf3 Nf8) 26. Bh4 ({Better is} 26. Nd2 $14 Bxg2 27. Kxg2) 26... Bxf3 $11 27. Bxe7 Bxd1 {Chess con chili.} 28. Rxd1 Rxd1+ 29. Qxd1 {[#] Bxc5 is the strong threat.} Bxe7 30. Bc6 Rd8 31. Qe2 Rd4 32. Kg2 g5 33. Be4 (33. Kh3 $11) 33... Nd7 $17 34. Bb1 Bf8 35. c5 {White does not recover from this.} (35. f3 $17 {was necessary.}) 35... Nxc5 $19 36. Bc2 Bg7 37. Kh3 Nd7 ({Inferior is} 37... Nxa4 38. Qe3 Rc4 39. Qd2 $17) 38. Be4 Nxe5 39. f3 Nd7 40. Bc6 $2 (40. Bc2) 40... Nc5 {Black is clearly winning.} 41. Qh2 Rf4 42. Qd2 Be5 43. Qe2 Bd6 44. Be4 Nxa4 45. Bc2 Nc5 {Inhibits Qd3.} 46. Kg2 a4 47. Bb1 Nd7 48. Ba2 Ne5 {Weighted Error Value: White=0.32/Black=0.09 (flawless)} 0-1

[Event "46th BAN National Premier Chess-ch 2021"]
[Site "Dhaka"]
[Date "2022.01.10"]
[Round "13.7"]
[White "Rahman, Ziaur"]
[Black "Md., Sharif Hossain"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "2413"]
[BlackElo "2211"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2021.12.27"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,65,64,79,47,49,55,54,24,68,59,100,79,83,79,210,162,175,172,693,681,737,677,975,959,891,690,1397,1431,1440,916,1333,1355,1377,1361,1342,1310,1201,1096,1840,1768,2890,2740,2286,2233,29992,29993]} 1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. e3 e6 5. Bd3 Bd6 6. O-O O-O 7. Nc3 Re8 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 h6 11. Bc2 Nd7 12. Qd3 {Threatens to win with Qh7+. D46: Semi-Slav: 5 e3 Nbd7 6 Bd3, Black avoids the Meran.} Nf8 {Prevents Qh7+.} 13. Be3 b6 14. Rad1 {White is slightly better.} Bb7 (14... Qe7 $11) 15. c5 $14 {[#]} Be7 $146 (15... Bc7 $14) ({Predecessor:} 15... Bc7 16. Rfe1 bxc5 17. Qb3 Qb8 18. dxc5 e5 19. Be4 Re6 20. Nh4 Ba6 21. Qc3 Qb5 {1-0 (34) Michenka,J (2300)-Sobek,J (2198) Ostrava 2021}) 16. Ne5 {[%cal Oe3h6] White is more active.} bxc5 17. dxc5 {Strongly threatening Qc3.} Qa5 (17... Qxd3 $16 {is a better defense.} 18. Bxd3 (18. Rxd3 Bf6 $14) 18... f6) 18. b4 Qc7 19. Bf4 $36 {[%cal Oe5g6][%mdl 2048] aiming for Ng6! White is on the roll.} g5 $2 (19... Bg5 20. Bg3 a5) 20. Bg3 $18 f5 {[#]} 21. Ng4 $1 {[%mdl 512]} f4 (21... Rad8 22. Nxh6+) 22. Qc3 {[%cal Rg4h6]} e5 23. Qc4+ Kg7 {[#]} 24. Bb3 $1 {[%csl Gb3][%cal Rc4g8]} Nh7 25. Qf7+ Kh8 {[#]} 26. Rd7 $3 {[%mdl 512] Threatening mate with Bc2.} Qxd7 27. Nxe5 {[%cal Re5g6]} Rg8 28. Nxd7 {[%cal Od7e5]} Rg7 29. Qe6 {[%cal Od7e5] Ne5! is the strong threat.} Rd8 {[#]} 30. Ne5 $1 {White wants to mate with Nf7+.} Bf6 (30... Rdg8 31. Qxh6) 31. Nf7+ Rxf7 32. Qxf7 {[%cal Of1e1] Intending Re1! and mate.} Ba6 {[#]} 33. Re1 $1 {Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.34/Black=1.30} 1-0

