[Event "9th Bangabandhu Team Mixed 2021"]
[Site "Dhaka"]
[Date "2021.04.08"]
[Round "5.1"]
[White "Rahman, Ziaur"]
[Black "Sacchu, Afzal Hossain"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "2432"]
[BlackElo "2008"]
[Annotator "TA"]
[PlyCount "67"]
[EventDate "2021.04.04"]
[EventType "team-tourn"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,67,19,13,12,34,14,29,29,35,18,42,37,43,56,36,19,5,-7,74,45,228,168,282,258,268,272,270,270,279,274,277,214,210,214,258,168,187,167,285,278,261,261,258,250,684,677,767,658,1358,1347,1265,1131,1854,1616,29990,29991,29993,29994,29994,29993]} 1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. c3 b6 6. Bd3 {A45: Trompowsky Attack.} Bb7 7. Ne2 c5 8. O-O {White has an edge.} cxd4 9. cxd4 {[#]} Qd8 $146 ({Predecessor:} 9... Nc6 10. e5 Qh4 11. f4 Nb4 12. Nbc3 Nxd3 13. Qxd3 Be7 14. f5 Qg4 15. Ng3 exf5 {½-½ (40) Antipov,M (2597)-Stupak,K (2556) Qinhuangdao 2018}) 10. Nbc3 Be7 11. Rc1 O-O 12. Ng3 Nc6 13. Bb1 Re8 (13... g6 $11 {keeps the balance.}) 14. d5 $16 Nb8 {Loses the game.} (14... exd5 $1 $14 15. Nxd5 Bf8) 15. e5 $18 Bf8 (15... Bc5 $142 16. Nce4 Bxd5) 16. Nh5 exd5 17. Qd3 {[%csl Gb1][%cal Rd3h7]} g6 18. Nf6+ {[%mdl 64] [#] Double Attack} ({Not} 18. Nxd5 Rxe5 19. Ndf6+ Kh8 $16) 18... Kh8 19. Nxe8 Qxe8 20. Nb5 {Hoping for Nc7.} Na6 21. Rfe1 Qe6 22. Nd4 Qg4 23. h3 Qf4 (23... Qh4 $142 24. Nf3 Qe7) 24. g3 Qg5 25. Qf3 Kg8 26. h4 Qd2 (26... Qh5 27. Qxh5 gxh5) 27. Rcd1 Qxb2 28. h5 Bg7 29. hxg6 fxg6 30. Qd3 Nc5 31. Qxg6 {Intending Nf5! and mate.} Ne4 32. Bxe4 {White mates.} dxe4 33. Nf5 {[%csl Gf5][%cal Rg6g7][%mdl 64] [#] Double Attack} Qxe5 34. Nxh6+ {Weighted Error Value: White=0.13/Black=0.74} 1-0

[Event "9th Bangabandhu Team Mixed 2021"]
[Site "Dhaka"]
[Date "2021.04.08"]
[Round "5.2"]
[White "Avik, Sarker"]
[Black "Reefat, Bin-Sattar"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "2035"]
[BlackElo "2401"]
[Annotator "TA"]
[PlyCount "97"]
[EventDate "2021.04.04"]
[EventType "team-tourn"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,97,-6,6,12,39,0,-9,0,-9,-15,-6,-26,-19,-35,-31,-41,-16,-41,-39,-47,-22,-45,19,19,28,34,7,-157,-157,-149,-156,-202,-199,-202,-202,-198,-196,-195,-186,-185,-192,-156,-120,-158,-152,-158,-114,-147,-76,-104,-54,-53,-53,-58,-58,-54,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Nc6 5. Nd2 Qb6 6. Qb3 {D00: 1 d4 d5: Unusual lines.} c4 7. Qxb6 (7. Qc2 {looks sharper.} g6 8. e4 Qd8 9. Bg5 b5 10. Be2) 7... axb6 8. a3 b5 9. Rc1 h6 10. h3 Bf5 11. Be2 Nd7 {[#]} 12. Bd1 $146 ({Predecessor:} 12. Ngf3 Nb6 13. Bd1 g5 14. Bc7 Na4 15. Bc2 e6 16. g4 Bh7 17. Bxh7 Rxh7 18. Rc2 {1-0 (38) Sanchez,S (2386)-Sanchez Alvarez,K (2318) Caracas 2017}) 12... e5 13. Bh2 Be7 14. Ne2 O-O $36 {[%mdl 2048] White is under pressure.} 15. O-O Bd3 (15... f6 $15) 16. dxe5 $11 Ncxe5 17. Bxe5 Nxe5 18. Nf3 $2 (18. Re1 $11) 18... Nxf3+ $17 19. gxf3 {[#]} b4 $1 {[%cal Rb4a3]} 20. cxb4 Bf6 21. Nc3 {intending Re1.} Bxf1 22. Kxf1 Bxc3 23. Rxc3 $19 {[%mdl 4096] Endgame KRR-KRB} b5 24. Rc2 Rfd8 25. Rd2 f5 26. Ke2 Kf7 27. Rd4 Ra6 28. Bc2 c3 (28... Kf6 $142 29. Kd2 g5) 29. bxc3 $17 Rxa3 30. Bxf5 Rxc3 31. Bd3 Rb3 32. Bxb5 Rb8 (32... Rb2+ $15 33. Kf1 Rc8) 33. Bc6 $11 {The position is equal.} R3xb4 34. Bxd5+ Kf6 {Threatens to win with ...Rxd4.} 35. Rxb4 Rxb4 {KR-KB} 36. f4 g5 37. fxg5+ hxg5 38. Kf3 Ke5 39. Bc6 Rb6 40. Be8 Rb8 41. Bh5 Rb4 42. Bg4 Rb2 43. Kg3 Ra2 44. Bf3 $1 Ra4 45. Bg4 Ra2 46. Bf3 Ra4 47. Bg4 Ra2 48. Bf3 Ra4 49. Bg4 {White happily takes the draw.  Weighted Error Value: White=0.15/Black=0.12} 1/2-1/2

[Event "9th Bangabandhu Team Mixed 2021"]
[Site "Dhaka"]
[Date "2021.04.08"]
[Round "5.3"]
[White "Mohammad Fahad, Rahman"]
[Black "Hasan, Sk. Rashedul"]
[Result "1/2-1/2"]
[ECO "B35"]
[WhiteElo "2321"]
[BlackElo "1918"]
[Annotator "TA"]
[PlyCount "144"]
[EventDate "2021.04.04"]
[EventType "team-tourn"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,144,29,50,34,33,-3,25,0,4,0,106,20,20,-69,-66,-66,-37,-61,0,-16,-8,-10,-8,-87,-9,-18,0,0,0,-79,-83,-109,-98,-102,-27,-22,-33,-32,-33,-35,-28,-24,-22,-56,11,9,141,108,129,85,78,96,100,78,83,0,66,10,54,47,70,-162,21,12,12,16,20,0,35,0,0,0,0,-2,0,-47,-47,-57,-47,-45,-51,-58,-63,-94,0,-79,-74,-105,0,0,0,-18,-22,-297,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 Qa5 8. O-O O-O 9. Bb3 d6 10. Nd5 {B35: Sicilian: Accelerated Dragon with 5 Nc3: main line.} Re8 11. f3 Bd7 {[#]} 12. Kh1 $146 {White has an edge.} ({Predecessor:} 12. c3 Rac8 13. Qe2 Nxd5 14. Bxd5 Nxd4 15. cxd4 Bb5 16. Qe1 Qb6 17. Rf2 Bxd4 18. Bxd4 Qxd4 {½-½ (58) Just,A (1912)-Voicu,C (2244) Magdeburg 2020}) 12... Rac8 13. c3 b5 (13... Nxd5 $11 14. Bxd5 Ne5) 14. Re1 ({Better is} 14. Nxc6 $1 $16 Bxc6 15. Nb4) 14... Ne5 15. Bg5 (15. Nxf6+ $11 Bxf6 16. Nc2) 15... Nxd5 $15 16. exd5 h6 17. Bh4 g5 (17... b4 $15 18. cxb4 Qxb4) 18. Bf2 b4 19. cxb4 Qxb4 20. Nc2 (20. Qe2 $11) 20... Qa5 (20... Qb5 $1 $17 {Threatens to win with ...Nd3.} 21. Nd4 Nd3 $1) 21. Bd4 Bf5 22. Ne3 Bg6 23. Bxe5 (23. Re2 $11 {remains equal.}) 23... Bxe5 $17 24. Nc4 {[#]} Rxc4 {[%mdl 512]} 25. Rxe5 {[#]} (25. Bxc4 Bxb2) 25... Rc7 (25... Bc2 $1 $17 {[%cal Rc2d1][%mdl 512]} 26. Qe1 Qxe1+ 27. Rexe1 Bxb3 28. axb3 Rc7) 26. Re2 $11 Rec8 27. h3 Qb4 28. Ba4 Qf4 29. Bc6 e5 30. Qd2 Qg3 (30... Qxd2 $15 31. Rxd2 Rb8) 31. b4 Bf5 (31... Rf8 $11) 32. b5 $16 h5 33. Rf1 f6 34. a4 Qh4 35. a5 Rb8 36. Ree1 (36. Ra1 $16) 36... Rg7 (36... Rxb5 $1 $11 37. Bxb5 Rc2 38. Qxc2 Bxc2) 37. Qf2 (37. Kg1 $14) 37... Qb4 38. Ra1 $1 Bd3 39. b6 $2 (39. Rfd1 $14 {keeps the upper hand.} Bxb5 40. Rdb1) 39... axb6 $2 (39... Bxf1 $19 40. Qxf1 axb6) 40. Rfd1 $11 Bf5 41. a6 {a7 is the strong threat.} Ra7 42. Ra4 Qc5 43. Qb2 (43. Qe1 $5 {[%cal Rd1c1]} b5 44. Ra5 $11) 43... Qc2 44. Rd2 Qxb2 45. Rxb2 Bd3 46. Bb7 b5 $36 {[%mdl 2048] Black has good play.} 47. Rab4 Kf8 48. Kg1 Ke7 49. Kf2 f5 50. g3 e4 ({Black should try} 50... Kf6 $17) 51. g4 (51. Ke3 $11 {keeps the balance.}) 51... hxg4 52. hxg4 {[#]} exf3 (52... f4 $1 $17 53. fxe4 Rh8) 53. gxf5 Be2 54. Rxe2+ fxe2 55. Kxe2 $2 {[%mdl 12288] Endgame KRR-KRB} (55. Rxb5 $11 {and White has nothing to worry.} Rf8 56. Kxe2) 55... Kf6 $2 (55... Rbxb7 $19 56. axb7 Rxb7) 56. Rxb5 {The position is equal.} Re8+ 57. Kf2 Kxf5 58. Rb6 Ke5 59. Kf3 Rg8 60. Kg4 Rg6 61. Rb1 Rg7 62. Rb4 Rg8 63. Rb2 Kd4 64. Kf5 Kc5 65. Rc2+ Kd4 66. Rg2 Rf8+ 67. Ke6 Rg8 68. Kxd6 Rg6+ $1 69. Kc7 Rgxa6 {White must now prevent ...Rg6.} 70. Rxg5 Ra5 {Hoping for ...Rb5.} 71. Kb6 Rxb7+ 72. Kxa5 Rd7 {Weighted Error Value: White=0.43/Black=0.35} 1/2-1/2

[Event "9th Bangabandhu Team Mixed 2021"]
[Site "Dhaka"]
[Date "2021.04.08"]
[Round "5.4"]
[White "Wadifa, Ahmed"]
[Black "Sultana, Sharmin Shirin"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "1595"]
[BlackElo "2006"]
[Annotator "TA"]
[PlyCount "102"]
[EventDate "2021.04.04"]
[EventType "team-tourn"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,102,63,58,42,29,9,37,0,0,-28,-33,-28,-19,-49,-46,-56,62,63,70,54,75,29,50,11,108,107,191,188,347,339,432,419,425,201,237,19,160,-50,6,29,15,16,39,38,30,0,8,-69,-41,-46,0,-82,0,0,0,0,0,-58,-59,-76,-69,-150,-149,-235,-105,-102,-102,-99,-91,-83,-99,-147,-147,-150,-142,-207,-197,-245,-243,-667,-640,-820,-766,-790,-244]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. O-O Nf6 7. Qe2 d6 8. c4 g6 9. Nc3 Bg7 10. Be3 O-O 11. f4 {B42: Sicilian: Kan Variation: 5 Bd3.} Nbd7 12. Rad1 b6 13. Kh1 {White is slightly better.} Bb7 14. Bc1 {[#]} Rfe8 $146 ({Predecessor:} 14... e5 15. Nf3 Rfe8 16. fxe5 Nxe5 17. Nxe5 Rxe5 18. Bf4 Ree8 19. Qf3 h5 20. Bc2 Re6 {1-0 (48) Muminova,N (2138)-Sivasankari,P (2069) Tashkent 2007}) 15. Nf3 Nh5 16. Bb1 Rad8 17. Rfe1 e5 (17... f5 $15) 18. f5 $14 Rc8 19. Qd3 Bf8 20. b3 b5 {[%cal Rb5c4]} 21. Nd2 gxf5 (21... Ndf6 $11) 22. Qh3 $16 Nf4 (22... Ndf6 $16) 23. Qxf5 $18 Nb6 $2 (23... Qd8 24. Nd5 Re6 25. Nxf4 exf4) 24. Nd5 Nbxd5 25. exd5 {[%csl Gb1][%cal Rf5h7]} Ng6 26. Qg4 (26. Ne4 $142 {White threatens Nf6+ and mate.} Bg7 27. c5) 26... Bg7 27. Bxg6 $2 (27. Qh5 $18) 27... fxg6 {[#]} (27... hxg6 $11 28. Ba3 Rcd8) 28. Nf3 $2 (28. Ne4 $1 $16) 28... Rcd8 ({Black should try} 28... bxc4 $15 29. Nd2 cxb3 30. Nxb3 Qb6) 29. Ng5 $11 Bc8 $1 {[%cal Rc8g4]} 30. Qe2 bxc4 31. bxc4 Rf8 32. Ba3 Rf4 33. Ne4 ({Better is} 33. Ne6 $11 Bxe6 34. dxe6) 33... Bg4 34. Qd3 Bf8 35. Rc1 (35. Bc1 $11 {remains equal.} Rxe4 36. Qxe4 Bxd1 37. Rxd1) 35... Qa5 (35... Bf5 $17 36. Bb4 Bh6) 36. Qc3 Qxc3 37. Rxc3 Bf5 38. Ng3 (38. Rce3 $11) 38... Rc8 $36 {[%mdl 2048] Black is pushing.} 39. Rec1 Rd4 40. Kg1 (40. Nxf5 $15 gxf5 41. Kg1) 40... Bd3 $17 {Strongly threatening ...Bh6.} 41. c5 {[#]} (41. Nf1 $17) 41... Rxd5 (41... Bh6 $1 $19 {[%cal Rh6e3] is more deadly. Hoping for ...Be3+.} 42. Rd1 Be4) 42. cxd6 Rxc3 43. Rxc3 Bxd6 44. Bxd6 Rxd6 $19 {[%mdl 4096] Endgame KRB-KRN} 45. Rc7 Rf6 46. Re7 e4 47. h3 (47. h4 $17 {was worth a try.}) 47... Rf4 48. a4 h5 49. Re6 $2 (49. h4) 49... Kf7 {Black is clearly winning.} 50. Rd6 h4 51. Nxe4 Rf1+ {Black used his chance.  Weighted Error Value: White=0.59/Black=0.33} ({Less strong is} 51... Rxe4 52. Rxd3 Rxa4 53. Kf2 $17) 0-1

[Event "9th Bangabandhu Team Mixed 2021"]
[Site "Dhaka"]
[Date "2021.04.08"]
[Round "5.5"]
[White "Manon, Reja Neer"]
[Black "Anata, Choudhury"]
[Result "*"]
[ECO "A49"]
[WhiteElo "2112"]
[BlackElo "2184"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2021.04.04"]
[EventType "team-tourn"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 18,39,9,0,-3,-6,12,13,27,23,31,23,16,16,20,0,0,0,0,0,0,0,0,0]} 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. c4 c6 5. d4 d5 6. Nc3 O-O 7. cxd5 cxd5 8. O-O b6 9. Qb3 Bb7 10. Ne5 Nc6 {[#] A49: 1 d4 Nf6 2 Nf3 g6 3 g3: Anti-King's Indian systems.} 11. Qa4 $146 ({Predecessor:} 11. Nxc6 Bxc6 12. Bf4 Qd7 13. Be5 e6 14. Rfc1 Rfc8 15. e3 Ne8 16. Bxg7 Kxg7 17. Qd1 Nd6 18. Rc2 {½-½ (50) Ghasi,A (2498)-Yuffa,D (2572) London 2018}) 11... Rc8 12. Bg5 Na5 13. Rac1 a6 14. Qb4 (14. b4 {with more complications.} Nc6 15. Rfd1 e6 16. b5 axb5 17. Nxb5 h6 18. Be3) 14... Nc6 15. Nxc6 {The position is equal.} Bxc6 16. Bxf6 Bxf6 17. Nxd5 Bxd5 18. Rxc8 Qxc8 19. Bxd5 Qd8 20. Qb3 {A rather calm draw.  Weighted Error Value: White=0.05/Black=0.05} *

[Event "9th Bangabandhu Team Mixed 2021"]
[Site "Dhaka"]
[Date "2021.04.08"]
[Round "5.6"]
[White "Mollah Abdullah, Al Rakib"]
[Black "Rahman, Syed Mahfuzur"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "2464"]
[BlackElo "2206"]
[Annotator "TA"]
[PlyCount "113"]
[EventDate "2021.04.04"]
[EventType "team-tourn"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,113,46,44,50,52,56,47,45,47,63,29,29,29,29,26,37,18,68,58,120,112,105,113,112,117,106,91,150,150,145,129,150,172,178,173,173,146,201,151,206,113,170,105,116,118,140,77,115,111,203,196,175,105,136,134,134,128,299,177,171,175,2839,2402,7001,7001,29958,1789,12793,10793,29965,29964,29974,29975,29976,29974,29974,29974,29974,29968,29970,29967,29966,29964,29963,29965,29967,29942,29959,29962,29949,29940,8423,6804,29979,29980,29980,29981,29981,29982]} 1. d4 d5 2. Nf3 c5 3. c4 cxd4 4. cxd5 Nf6 5. Qxd4 Qxd5 6. Nc3 Qxd4 7. Nxd4 a6 8. g3 e5 9. Nb3 Bd7 {D06: Queen's Gambit: Symmetrical and Baltic Defences.} 10. Bg2 Bc6 11. O-O Bxg2 {White is slightly better.} 12. Kxg2 Bb4 13. Na4 Nbd7 14. a3 Be7 {[#]} 15. Rd1 $146 ({Predecessor:} 15. Be3 Nd5 16. Bd2 b5 17. Nc3 N5b6 18. Na5 Rc8 19. Rfc1 O-O 20. a4 Bb4 21. axb5 axb5 {½-½ (44) Zierke,O (2300)-Breutigam,M (2379) Germany 2008}) 15... O-O 16. Bg5 {Black must now prevent Rxd7!} Rfd8 17. Na5 b5 {[#]} (17... Rab8 $14) 18. Nc6 $1 $36 {[%mdl 2048] White is on the roll.} Re8 19. Bxf6 Bxf6 20. Rxd7 bxa4 21. e4 Rec8 ({Black should try} 21... Rac8 22. Rc1 Kf8) 22. Rc1 $1 Kf8 23. Rc3 Ke8 24. Rb7 h6 25. h4 h5 26. Kf1 Kf8 (26... g6 $16 {keeps fighting.} 27. Rc5 Kf8) 27. Ke2 g6 (27... a5 $16 28. Rb5 g6) 28. Kd3 (28. Rb4 $18) 28... Kg7 (28... a5 $16) 29. Nb4 ({Better is} 29. Rb4 $18) 29... g5 {[#]} 30. hxg5 Bxg5 31. Nd5 (31. Nc6 $142) 31... Rab8 {And now ...Rxc3+ would win.} 32. Rb4 h4 (32... Rh8 $16 {might work better.}) 33. gxh4 ({Don't blunder} 33. Rxa4 $2 Rxc3+ 34. Kxc3 h3 $19) 33... Bxh4 34. f3 ({White should play} 34. Rxa4 $18 {Strongly threatening Rxc8.} Rh8 35. b4 (35. Rxa6 Rxb2 36. f3 Rf2 $14)) 34... Rxb4 35. axb4 {[%mdl 4096] Endgame KRB-KRN} Rb8 36. Ra3 a5 $2 {Loses the game.} (36... Rc8 $16 37. Rxa4 Rc6) 37. Rxa4 (37. bxa5 $142 Rxb2 38. a6) 37... axb4 $18 38. Rxb4 ({Don't play} 38. Nxb4 $6 Bf2 $16) 38... Rxb4 (38... Ra8 39. Rb7 Ra2) 39. Nxb4 {KB-KN} Kf6 40. Kc4 Ke6 41. Kb5 Kd6 42. Nd3 f5 43. b4 fxe4 44. fxe4 Bg5 45. Nb2 Kc7 46. Nc4 Bf6 47. Ne3 Bg5 48. Nf5 Bd2 49. Kc5 Be1 50. Ne7 Kb7 51. Nd5 Bf2+ {[#]} 52. Kb5 $1 Bh4 53. Nb6 Bf2 54. Nd7 Bd4 55. Nc5+ {White mates.} Ka7 56. Kc6 Bf2 57. b5 {Weighted Error Value: White=0.15/Black=0.58} 1-0

[Event "9th Bangabandhu Team Mixed 2021"]
[Site "Dhaka"]
[Date "2021.04.08"]
[Round "5.7"]
[White "Rahman, Taibur"]
[Black "Mehdi Hasan Parag"]
[Result "1/2-1/2"]
[ECO "D19"]
[WhiteElo "2189"]
[BlackElo "2192"]
[Annotator "TA"]
[PlyCount "92"]
[EventDate "2021.04.04"]
[EventType "team-tourn"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,92,31,26,18,8,-2,-33,-20,-27,-31,-48,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-22,0,0,30,0,24,20,20,0,17,15,29,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O O-O 9. Qe2 Bg6 10. Bd3 Bh5 11. h3 Bxf3 12. Qxf3 Nbd7 13. Rd1 e5 {D19: Slav Defence: 5 a4 Bf5 6 e3: Main line with 9 Qe2.} 14. Bf5 {[#]} Qe7 $146 ({Predecessor:} 14... exd4 15. exd4 Nb6 16. Bg5 Be7 17. a5 Nbd5 18. a6 b5 19. Re1 Re8 20. Re2 h6 21. Bh4 b4 22. Nxd5 Nxd5 {1-0 (34) Kovacs,L-Coppini,G (2215) Reggio Emilia 1977}) 15. Ne4 Rad8 {Black is slightly better.} 16. Bd2 Bxd2 17. Bxd7 Rxd7 (17... Nxe4 {feels hotter.} 18. Qxe4 Rxd7 19. Rxd2 Rd5 20. Qc2 Rfd8) 18. Nxf6+ Qxf6 19. Qxf6 gxf6 20. Rxd2 $11 {[%mdl 4096] Endgame KRR-KRR} Rfd8 {[%cal Re5d4]} 21. Rad1 Rd5 22. Kf1 c5 {[%cal Rc5d4]} 23. Ke2 {Black must now prevent dxc5.} cxd4 24. exd4 exd4 25. Rc1 R8d7 26. Kd3 Kf8 27. Rc4 Ke7 28. Re2+ Re5 29. Rd2 Rg5 30. g3 Ke6 31. Rxd4 Rxd4+ {The position is equal.} 32. Kxd4 {KR-KR} Rd5+ 33. Kc3 Rxd2 34. Kxd2 {KP-KP} Kd5 35. Kd3 f5 36. f3 a5 37. Kc3 Kc5 38. b3 h6 39. Kd3 b6 (39... Kb4 $5 40. Kc2 $8 Kc5 $11) 40. Kc3 b5 41. axb5 Kxb5 42. Kc2 Kc6 43. Kc3 Kc5 44. Kd3 Kd5 (44... Kb4 $5 45. Kc2 $8 Kc5 $11) 45. Kc3 Kc5 46. Kd3 Kd5 {Weighted Error Value: White=0.07/Black=0.06} (46... Kb4 $5 47. Kc2 $8 Kc5 $11) 1/2-1/2

[Event "9th Bangabandhu Team Mixed 2021"]
[Site "Dhaka"]
[Date "2021.04.08"]
[Round "5.8"]
[White "Sultana, Zakia"]
[Black "Kazi Zarin, Tasnim"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1786"]
[BlackElo "1790"]
[Annotator "NA RC"]
[PlyCount "104"]
[EventDate "2021.04.04"]
[EventType "team-tourn"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:00]} Nf6 {[%emt 0:00:00]} 2. Nf3 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 3. c3 {[%emt 0:00:56]} d6 {[%emt 0:00:31]} 4. Bf4 {[%emt 0:00:32]} Qb6 {[%emt 0:01:57]} 5. Qc1 {[%emt 0:01:30]} Bf5 {[%emt 0:00:32]} 6. Nbd2 {[%emt 0:00:20]} h6 {[%emt 0:01:25]} 7. h3 {[%emt 0:00:25]} Nbd7 {[%emt 0:01:17]} 8. e3 {[%emt 0:00:20]} g5 {[%emt 0:02:39]} 9. Bh2 {[%emt 0:00:56]} Bg7 {[%emt 0:00:41]} 10. Be2 {[%emt 0:00:28]} Bg6 {[%emt 0:03:46]} 11. Bc4 {[%emt 0:07:55]} Qc7 {[%emt 0:09:13]} 12. a4 {[%emt 0:02:30]} O-O {[%emt 0:07:10]} 13. O-O {[%emt 0:01:33]} c5 {[%emt 0:01:17]} 14. Re1 {[%emt 0:01:26]} Nb6 {[%emt 0:06:21]} 15. Bf1 {[%emt 0:03:53]} a6 {[%emt 0:05:09]} 16. a5 {[%emt 0:05:46]} Nbd7 {[%emt 0:00:15]} 17. Qd1 {[%emt 0:02:20]} Qc6 {[%emt 0:05:47]} 18. Qb3 {[%emt 0:02:46]} Ne4 {[%emt 0:03:33]} 19. Nxe4 {[%emt 0:00:52]} Bxe4 {[%emt 0:00:11]} 20. Nd2 {[%emt 0:00:29]} Bg6 {[%emt 0:02:26]} 21. Be2 {[%emt 0:03:59]} d5 {[%emt 0:03:22]} 22. dxc5 {[%emt 0:07:41]} Nxc5 {[%emt 0:01:07]} 23. Qa3 {[%emt 0:03:32]} e5 {[%emt 0:03:30]} 24. Red1 {[%emt 0:01:28]} Rad8 {[%emt 0:01:50]} 25. Nf3 {[%emt 0:01:33]} Rfe8 {[%emt 0:01:54]} 26. Rac1 {[%emt 0:03:07]} Kh7 {[%emt 0:01:44]} 27. b4 {[%emt 0:00:44]} Ne4 {[%emt 0:00:36]} 28. Qb3 {[%emt 0:02:53]} f5 {[%emt 0:04:32]} 29. b5 {[%emt 0:01:59]} Qe6 {[%emt 0:02:53]} 30. c4 {[%emt 0:03:49]} d4 {[%emt 0:01:27]} 31. bxa6 {[%emt 0:03:35]} bxa6 {[%emt 0:03:13]} 32. exd4 {[%emt 0:02:02]} exd4 {[%emt 0:00:11]} 33. Bd3 {[%emt 0:00:52]} Nc5 {[%emt 0:01:35]} 34. Qb6 {[%emt 0:02:41]} Nxd3 {[%emt 0:01:29]} 35. Rxd3 {[%emt 0:00:43]} f4 {[%emt 0:00:27]} 36. Rdd1 {[%emt 0:01:34]} Rd6 {[%emt 0:01:03]} 37. Qb4 {[%emt 0:01:34]} d3 {[%emt 0:03:57]} 38. c5 {[%emt 0:03:40]} Rc6 {[%emt 0:03:45]} 39. Kh1 {[%emt 0:05:10]} Rd8 {[%emt 0:02:49]} 40. Re1 {[%emt 0:01:39]} Qd5 {[%emt 0:01:38]} 41. Nd2 {[%emt 0:02:28]} Rdc8 {[%emt 0:01:02]} 42. Re7 {[%emt 0:06:54]} Rxc5 {[%emt 0:02:24]} 43. Rxc5 {[%emt 0:00:22]} Qxc5 {[%emt 0:02:09]} 44. Qb7 {[%emt 0:01:14]} Rg8 {[%emt 0:01:22]} 45. Ne4 {[%emt 0:00:56]} Bxe4 {[%emt 0:01:01]} 46. Qxe4+ {[%emt 0:00:04]} Kh8 {[%emt 0:00:10]} 47. Bg1 {[%emt 0:02:43]} Rd8 {[%emt 0:02:32]} 48. f3 {[%emt 0:00:35]} Qd6 {[%emt 0:01:10]} 49. Qb7 {[%emt 0:07:17]} Qf6 {[%emt 0:01:56]} 50. Rf7 {[%emt 0:01:54]} Qxf7 {[%emt 0:01:00]} 51. Qxf7 {[%emt 0:01:17]} d2 {[%emt 0:00:00]} 52. h4 {[%emt 0:00:29]} d1=Q {[%emt 0:00:00]} 0-1

[Event "9th Bangabandhu Team Mixed 2021"]
[Site "Dhaka"]
[Date "2021.04.08"]
[Round "5.9"]
[White "Tutul, Dhar"]
[Black "Mohammad Minhaz Uddin"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "1826"]
[BlackElo "2281"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2021.04.04"]
[EventType "team-tourn"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,60,0,-2,-14,-10,-14,14,-17,-7,-9,0,-19,-6,-25,-22,-40,-29,-31,-29,-92,-85,-90,-71,-398,-121,-116,-103,-133,-82,-72,-71,-154,-139,-185,-193,-249,-238,-236,-228,-249,-249,-249,-236,-725,-736]} 1. d4 Nf6 2. Bf4 d5 3. e3 c5 4. c3 Nc6 5. Nd2 b6 6. Ngf3 Bb7 7. Bd3 g6 8. h3 Bg7 9. O-O O-O {[#]} 10. Re1 $146 {A48: 1 d4 Nf6 2 Nf3 g6: Torre, London and Colle Systems.} ({Predecessor:} 10. Rc1 Nd7 11. a3 e5 12. dxe5 Ndxe5 13. Bb5 a6 14. Bxc6 Nxc6 15. Qe2 Re8 16. Rfd1 Qf6 17. Bg3 h6 {1-0 (46) Czina,F (1780)-Rozsnyai,T (2107) Hungary 2011}) 10... Nd7 11. Bg3 Re8 12. Qc2 {The position is equal.} a6 13. Rad1 b5 14. Bf1 Qb6 15. a3 Rac8 {[%cal Rc5d4]} 16. dxc5 Nxc5 17. e4 d4 18. cxd4 (18. b4 $11 {remains equal.} Na4 19. c4) 18... Nxd4 $17 19. Qb1 Red8 20. b4 $2 {[%mdl 8192] [#]} (20. Nxd4 $17 Rxd4 21. Bf4) 20... Nxf3+ $2 (20... Na4 $1 $19 {Threatens to win with ...Nc3.} 21. Nxd4 Rxd4) 21. gxf3 Na4 {Strongly threatening ...Nc3.} 22. Nb3 Rxd1 (22... Nc3 $142 23. Rxd8+ Qxd8) 23. Qxd1 Rc3 {aiming for ...Nb2.} 24. Na5 (24. Re3 $142) 24... Bc8 25. Bg2 Be6 ({Much less strong is} 25... Rxa3 26. Qd5 $17) 26. Re3 (26. Qd2 $142) 26... Rxe3 $19 27. fxe3 Qxe3+ 28. Bf2 Qxa3 29. Qd8+ Bf8 30. Nc6 $2 {[#]} (30. Qd2) 30... Qc1+ {[%mdl 64] Double Attack.  Weighted Error Value: White=0.69/Black=0.21} 0-1

[Event "9th Bangabandhu Team Mixed 2021"]
[Site "Dhaka"]
[Date "2021.04.08"]
[Round "5.10"]
[White "Ahmed, Sheikh Nasir"]
[Black "Md Akik, Miha"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2176"]
[BlackElo "1720"]
[Annotator "TA"]
[PlyCount "41"]
[EventDate "2021.04.04"]
[EventType "team-tourn"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,41,56,75,73,93,105,102,103,182,179,243,168,237,166,277,267,211,84,102,85,82,121,66,37,33,35,457,455,539,516,1041,562,1901,1846]} 1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Bg5 c6 5. Qd2 h6 6. Bh4 {B06: Modern Defence.} Qb6 {[#]} 7. O-O-O $1 Nd7 8. f4 {White is better.} e6 (8... Ngf6 $16 {was called for.}) 9. Nf3 $18 {[#]} Ngf6 $146 (9... Ne7 $142 10. h3 d5) ({Predecessor:} 9... Bf8 10. Bc4 Qa5 11. d5 Nb6 12. Bb3 cxd5 13. exd5 exd5 14. Qe2+ Be7 15. Nxd5 Nxd5 16. Bxd5 {1-0 (28) Kvassay,P (2028)-Mesaros,J (1822) Piestany 2013}) 10. f5 g5 (10... exf5 $142 11. exf5 (11. Na4 Qc7 $11) 11... O-O) 11. fxe6 fxe6 (11... gxh4 {is a better defense.} 12. exd7+ Bxd7) 12. Bg3 Qc7 13. d5 (13. e5 $18 {is more deadly.}) 13... Nc5 $16 14. dxe6 Nfxe4 15. Nxe4 Nxe4 16. Qd3 Nxg3 17. Qg6+ Kf8 $2 {[%mdl 8192] This move loses the game for Black.} (17... Kd8 $14 18. hxg3 Qe7) 18. hxg3 $18 {White is clearly winning.} d5 19. Bd3 Rg8 (19... Bxe6 $142 20. Qxe6 Qf7 21. Nxg5 Qxe6 22. Nxe6+ Kf7) 20. Kb1 {Hoping for Nxg5!} Qe7 {[#]} 21. Nxg5 $1 {[%cal Rg5h7][%mdl 512] Weighted Error Value: White=0.74/Black=0.68} 1-0

[Event "9th Bangabandhu Team Mixed 2021"]
[Site "Dhaka"]
[Date "2021.04.08"]
[Round "5.11"]
[White "Asaduzzaman, Ahad"]
[Black "Subrota, Biswas"]
[Result "0-1"]
[ECO "D01"]
[WhiteElo "1742"]
[BlackElo "2256"]
[Annotator "TA"]
[PlyCount "146"]
[EventDate "2021.04.04"]
[EventType "team-tourn"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,146,15,-9,-6,-15,0,-35,0,-34,-29,-34,-34,-43,-25,-66,-68,-118,75,75,116,99,100,104,143,91,166,158,178,179,180,171,210,189,185,152,177,140,137,109,122,115,100,-47,-48,-52,-7,-9,0,0,0,-8,-7,-19,0,-10,-8,-23,0,-24,0,-33,0,-20,-24,-16,-16,-25,-18,-35,-35,-85,-21,-91,-78,-85,-73,-78,-78,-78,-78,-78,-78,-78,-78,-78,-78,-80,-78,-78,-78,-78,-78,-78,-67,-67,-16,-25,0,-67,-67,-145,-145,-145,-145,-226,-226,-226,-145,-145,-67,-67,-68,-145,-67,-67,-67,-145,-145,-145,-145,-149,-81,-226,-24,-226,-24,-226,-226,-226,-226,-226,-226,-29974,-29975,-29978,-29980,-29980,-29980]} 1. Nc3 d5 2. d4 Nf6 3. Bg5 Bf5 4. e3 e6 5. Bd3 Bxd3 6. Qxd3 c5 {D01: Veresov Opening.} 7. Nf3 Nbd7 {[#]} 8. Ne5 $146 ({Predecessor:} 8. O-O Be7 9. dxc5 Nxc5 10. Qb5+ Qd7 11. Bxf6 gxf6 12. Qxd7+ Nxd7 13. e4 dxe4 14. Nxe4 {0-1 (52) Mallach,H (1829)-Solberg,K (2024) Germany 2007}) 8... Be7 {Black is slightly better.} 9. Bxf6 Bxf6 10. Nxd7 Qxd7 11. dxc5 Rc8 12. O-O Rxc5 13. Rad1 {White wants to play Ne4!} O-O $2 {[#]} (13... Qc6 $17 {[%cal Rf6c3]} 14. e4 Bxc3 15. bxc3 O-O 16. exd5 Rxd5) 14. Ne4 $1 $16 {[%cal Re4c5][%mdl 64] Pin} Rc7 (14... Rc6 15. Nxf6+) 15. Nxf6+ gxf6 16. e4 Kh8 17. exd5 (17. c3 $142) 17... exd5 (17... Qxd5 $16 {is a better defense.} 18. Qxd5 exd5) 18. c3 Rg8 19. Qf3 Rg6 20. Rxd5 Qa4 21. Rd8+ Kg7 22. Qd1 Qe4 {[%csl Gg6][%cal Re4g2]} 23. f3 Qe3+ 24. Kh1 Re7 25. Rd3 Qe2 {[%csl Gg6][%cal Re2g2]} 26. Rg1 (26. Rd2 $16 Qe5 27. c4) 26... Qxb2 $15 {White must now prevent ...Re2.} 27. Qd2 Qb5 28. h3 Qg5 29. f4 Qf5 30. Rd5 Qe4 31. Rd4 Qc6 (31... Qe2 {feels hotter.} 32. Qxe2 Rxe2 33. Rd7 Rxa2 34. Rxb7 a5) 32. Rd6 Qc4 $40 {[%mdl 128] Black attacks.} 33. Rd4 Qb5 34. Rd5 Qc4 35. Rd4 Qa6 36. Rd6 (36. f5 {keeps more tension.} Rg3 37. Re1 Rxe1+ 38. Qxe1 Rd3 39. Kh2) 36... Qe2 37. Qxe2 Rxe2 $11 {[%mdl 4096] Endgame KRR-KRR} 38. Rd7 Rb2 39. a4 Rg3 40. Rc7 f5 (40... a5 $17) 41. Rd1 (41. c4 $11 {remains equal.}) 41... Rbxg2 42. Rxb7 a6 43. Rb6 Ra2 44. Rg1 Rxg1+ 45. Kxg1 Rxa4 $17 {KR-KR} 46. Kg2 Rxf4 47. Rxa6 Rc4 48. Ra3 h5 49. Kg3 Kf6 50. Ra6+ Kg5 51. Ra3 Re4 52. Kf3 Kh4 (52... Rh4 $15 53. Kg2 Rc4) 53. Ra5 Kg5 54. Rc5 (54. Ra3 $1 $11) 54... Rf4+ $15 55. Kg3 (55. Kg2 $1 $15) 55... h4+ $17 56. Kg2 Ra4 $1 57. Rd5 (57. Rc7 $17 {was worth a try.}) 57... Ra2+ $1 $19 58. Kg1 Re2 59. c4 Re4 ({Black should try} 59... Re3 $17 60. Rd7 f6) 60. c5 $15 Rc4 61. Rd7 $1 Rxc5 (61... f6 $17 62. Rc7 Rc3) 62. Rxf7 Kf4 63. Rg7 (63. Kg2 $15) 63... Rc1+ 64. Kg2 Rc2+ 65. Kg1 Kf3 (65... Rc3 $142 {( -> ...Rg3+)} 66. Kh2 Ke3) 66. Rg5 (66. Rh7 $17 {only move.}) 66... Rc5 $2 (66... Rc1+ $19 67. Kh2 f4) 67. Kh2 $2 {[#]} (67. Rh5 $1 $11) 67... Re5 $2 ({Better is} 67... Ke3 $1 $19 68. Rh5 Rc2+ 69. Kg1 f4) 68. Kg1 $2 (68. Rh5 $11 {and White stays safe.}) 68... Re1+ $19 69. Kh2 f4 70. Rg4 Ke3 {...Re2+ is the strong threat.} 71. Rxh4 $2 (71. Rg6 $19) 71... f3 {Black mates.} 72. Rh8 {[#]} f2 $1 73. Re8+ Kd4 {What a bad dream for White.  Weighted Error Value: White=0.25/Black=0.24} 0-1

[Event "9th Bangabandhu Team Mixed 2021"]
[Site "Dhaka"]
[Date "2021.04.08"]
[Round "5.12"]
[White "Noshin, Anjum"]
[Black "Nawrin Fatema, Toa"]
[Result "1-0"]
[ECO "C16"]
[WhiteElo "1912"]
[Annotator "TA"]
[PlyCount "45"]
[EventDate "2021.04.04"]
[EventType "team-tourn"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,45,1,-3,64,51,51,54,194,198,245,210,223,167,202,214,243,206,205,222,299,370,399,378,393,373,321,308,721,731,728,713,708,677,796,797,767,735]} 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 Nbc6 {C16: French: 3 Nc3 Bb4 4 e5: Lines without ...c5.} (6... c5 $11) 7. Qg4 Nf5 8. Bd3 {[#] Hoping for Bxf5.} g6 {[#]} (8... Nce7 $14) 9. Bg5 $146 ({Predecessor:} 9. Nf3 Bd7 10. O-O h6 11. a4 Na5 12. Ba3 h5 13. Qf4 Bc6 14. Bb4 Nc4 15. a5 {1-0 (63) Vontina,M (648)-Smith,H (617) LSS email 2010}) 9... Qd7 10. Bf6 Rg8 11. h4 h5 12. Qg5 Nce7 13. f3 b6 14. Ne2 Nc6 15. g4 Nfe7 16. gxh5 gxh5 17. Qxh5 Bb7 18. Bh7 O-O-O $2 {[#]} (18... Rf8 19. Bg7 O-O-O 20. Bxf8 Rxf8) 19. Bxg8 {White is clearly winning.} Rxg8 20. Qxf7 Re8 21. h5 Nf5 22. Qxd7+ Kxd7 23. h6 {Black got outplayed after the opening.  Weighted Error Value: White=0.07/Black=0.44} 1-0

