[Event "BAN-chT SAIF POWERTEC 2020"] [Site "Dhaka"] [Date "2021.03.22"] [Round "4.1"] [White "Mohammad Minhaz Uddin"] [Black "Gukesh D"] [Result "0-1"] [ECO "B15"] [WhiteElo "2295"] [BlackElo "2563"] [Annotator "Shahid"] [PlyCount "78"] [EventDate "2021.03.19"] [EventType "team-tourn"] [EventCountry "BAN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [WhiteTeam "Bangladesh"] [BlackTeam "India"] [WhiteTeamCountry "BAN"] [BlackTeamCountry "IND"] {[%evp 15,78,21,31,28,59,31,47,16,34,33,29,17,63,8,8,15,16,0,13,0,0,-5,-14,-33, 8,-59,0,-9,-9,-9,-7,-22,-22,-30,-31,-25,-31,-31,-30,-30,-27,-40,-8,-163,-172, -244,-245,-239,-245,-241,-245,-317,-310,-327,-346,-356,-339,-307,-306,-359, -354,-335,-348,-968,-941]} 1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 O-O 8. Ne2 Re8 9. Qc2 {B15: Caro-Kann: 3 Nc3:3...g6 and 3...dxe4 4 Nxe4 Nf6 5 Nxf6+ exf6.} h5 10. Be3 Nd7 11. O-O {White is slightly better.} h4 12. h3 Nf8 13. Rae1 {[#]} Bb8 $146 ({Predecessor:} 13... Qa5 14. b3 Bd7 15. Bc1 Re7 16. f4 Rae8 17. Bd2 Qh5 18. f5 Rxe2 19. Bxe2 Rxe2 20. Qd1 Bxf5 21. Qxe2 Qg6 22. Qf3 Bd3 23. Rf2 Ne6 24. Be3 f5 25. Bd2 {1/2-1/2 (25) Bogner,S (2571)-Sadhwani,R (2545) chess.com INT 2020}) 14. Qc1 (14. Nc1 $14) 14... Ng6 15. f4 f5 16. Bd2 Be6 17. Qc2 Qd7 18. Nc1 Bc7 19. Be2 c5 20. Nb3 (20. dxc5 $11 Bd5 21. Nb3) 20... Qa4 ({Black should play} 20... Bxb3 $15 21. Qxb3 a6) 21. Bd3 cxd4 22. Nxd4 Qxc2 23. Nxc2 (23. Bxc2 {seems wilder.} Bb6 24. Be3 Bxa2 25. Bxf5 Bc4 26. Rf3) 23... Rad8 24. Nd4 Bb6 25. Be3 Bxa2 26. Bxf5 Bc4 27. Rf2 Ne7 $36 { [%mdl 2048] ...Bxd4 is the strong threat. Black is more active.} 28. Be4 $1 Bd5 29. Bc2 $4 {White does not recover from this.} (29. Nc2 $11) 29... Nc6 $19 30. Rfe2 (30. Ba4 Rxe3 31. Rxe3 Nxd4 32. cxd4 Bxd4 33. Rd3 Bc4) (30. Nf5 g6) 30... Bc4 $1 {[%csl Bd4,Be2]} 31. Nxc6 Bxe2 ({Worse is} 31... bxc6 32. Bxb6 Rxe2 33. Rxe2 $11) 32. Bxb6 Rd2 33. Nd4 axb6 34. b4 {[#]} Bb5 $1 {[%mdl 512]} 35. Rxe8+ Bxe8 36. Be4 Kf8 37. Bxb7 Rd3 38. Ne2 Bb5 39. Bf3 $2 {[#]} (39. Nd4 Bc4 40. Kf2 ) 39... Rxf3 $1 {[%mdl 576] Discovered Attack, Remove Defender. Weighted Error Value: White=0.47/Black=0.07} 0-1 [Event "BAN-chT SAIF POWERTEC 2020"] [Site "Dhaka"] [Date "2021.03.22"] [Round "4.2"] [White "Neelotpal, Das"] [Black "Ahmed, Sheikh Nasir"] [Result "1/2-1/2"] [ECO "B80"] [WhiteElo "2425"] [BlackElo "2193"] [Annotator "TA"] [PlyCount "92"] [EventDate "2021.03.19"] [EventType "team-tourn"] [EventCountry "BAN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [WhiteTeam "India"] [BlackTeam "Bangladesh"] [WhiteTeamCountry "IND"] [BlackTeamCountry "BAN"] {[%evp 24,92,49,59,39,56,54,50,63,34,33,21,21,19,16,16,25,31,31,27,36,36,45,6, 14,2,36,0,2,0,0,0,0,0,45,41,47,35,50,42,97,89,104,45,41,41,41,37,64,40,40,40, 40,28,28,28,44,29,52,33,52,52,52,30,44,45,38,0,45,0,29]} 1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 Qc7 6. g3 a6 7. Bg2 Nf6 8. O-O Be7 9. Re1 d6 10. Nxc6 bxc6 11. e5 dxe5 12. Rxe5 O-O 13. Re1 Rd8 {B80: Sicilian Scheveningen: 6 g3 and 6 Be3, including English Attack.} 14. Qe2 Bb7 15. Bf4 Bd6 {White is slightly better.} 16. Bg5 Be7 {[#]} 17. b3 $146 ({Predecessor:} 17. Rad1 Nd5 18. Bxe7 Qxe7 19. Ne4 c5 20. c4 Nb4 21. a3 Nc6 22. b4 cxb4 23. axb4 Nxb4 { 0-1 (36) Ince,S (1995)-Lomaia,D (1946) Lichess.org INT 2021}) 17... c5 18. Bxb7 Qxb7 19. Na4 Rac8 20. c4 h6 21. Bf4 Rd7 22. Rad1 Rcd8 23. Nc3 Qc6 24. Rxd7 Rxd7 25. Rd1 (25. Na4 {looks sharper.} Rd4 26. Bc1 Nh7 27. f3 Rd8 28. Kf2) 25... Rxd1+ 26. Qxd1 Nd7 27. Qe2 f5 28. Nd5 Bf6 29. Nxf6+ Nxf6 30. Qe5 Ng4 31. Qb8+ Kh7 ({Better is} 31... Kf7 $1 $14) 32. h3 $16 Nf6 33. Qc7 (33. Qf8 $16) 33... Qxc7 $14 34. Bxc7 {[%mdl 4096] Endgame KB-KN} Kg6 35. f3 Kf7 36. Bd6 Nd7 37. f4 Ke8 38. Kf1 Kd8 39. Ke2 Kc8 40. g4 Kb7 41. Be7 Kc6 42. Kf3 g6 43. Kg3 Kb6 44. Bd8+ Kc6 45. Be7 Kb6 46. Bd8+ Kc6 {Weighted Error Value: White=0.12/Black=0.08} 1/2-1/2 [Event "BAN-chT SAIF POWERTEC 2020"] [Site "Dhaka"] [Date "2021.03.22"] [Round "4.3"] [White "Islam, Khandaker Aminul"] [Black "Hossain, Enamul"] [Result "1/2-1/2"] [ECO "A45"] [WhiteElo "2174"] [BlackElo "2426"] [Annotator "TA"] [PlyCount "120"] [EventDate "2021.03.19"] [EventType "team-tourn"] [EventCountry "BAN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [WhiteTeam "Bangladesh"] [BlackTeam "Bangladesh"] [WhiteTeamCountry "BAN"] [BlackTeamCountry "BAN"] {[%evp 9,120,-9,-6,-7,7,0,2,-21,15,-37,-43,-36,-39,-32,-41,-59,-56,-50,-58,-57, -58,-200,-198,-270,-267,-254,-277,-251,-206,-269,-162,-163,-159,-163,-151,-157, -154,-156,-148,-150,-64,-188,-83,-116,-118,-261,-100,-131,-102,-68,-72,-147, -119,-150,-148,-158,-133,-147,-111,-116,-127,-132,-125,-126,-135,-129,-108, -191,-170,-198,-167,-210,-210,-224,-212,-395,-408,-392,-395,-392,-342,-342, -336,-342,-342,-337,0,0,33,33,33,33,33,23,23,0,45,52,102,41,275,95,88,0,138,0, 73,0,106,0,106,0,384]} 1. d4 Nf6 2. Bf4 g6 3. Nc3 d5 4. e3 Bg7 5. h4 c6 6. Qd2 {A45: Trompowsky Attack.} Nbd7 7. Nf3 O-O 8. Ne5 Nh5 9. Bh2 (9. Nxd7 $11 Qxd7 10. Bh2) 9... Nxe5 $15 {[#]} 10. dxe5 $146 ({Predecessor:} 10. Bxe5 f6 11. Bh2 f5 12. Be2 Nf6 13. Bf4 Qe8 14. f3 Nd7 15. h5 e5 16. dxe5 Nxe5 17. hxg6 hxg6 { 1/2-1/2 (32) Gaertner,A (1251)-Mueller,M (1691) Willingen 2020}) 10... f6 11. exf6 Bxf6 12. Be2 Bxh4 13. g3 Bf6 14. g4 Ng7 15. Nd1 ({White should play} 15. O-O-O $15) 15... e5 $19 16. g5 (16. Nc3 {might work better.}) 16... Bxg5 17. Bxe5 Qe7 18. Bxg7 Qxg7 19. c3 Be6 20. f4 Bd8 21. Nf2 Bb6 22. O-O-O Rae8 { White must now prevent ...Bf5.} 23. Rde1 Bf5 24. Bg4 Be4 (24... Qe7 $17 { [%CAl Rb6e3]} 25. Bxf5 Bxe3 26. Rxe3 Qxe3) 25. Rh3 (25. Nxe4 $15 Rxe4 26. Bf3) 25... Qe7 (25... h5 $19 26. Bd1 Bf5) 26. Rg3 Kh8 27. Nd1 (27. a3 $17) 27... Qc5 $2 (27... g5 $1 $19 {is more deadly. ...gxf4 is the strong threat.} 28. f5 Qe5) 28. Be2 Qa5 29. a3 Qa4 30. Rf1 (30. Nf2 $142) 30... Rf7 31. Bd3 Bxd3 32. Qxd3 Qe4 33. Qd2 Kg7 34. Rh3 Ree7 $36 {[%mdl 2048] Black is really pushing.} 35. Rg1 Kf8 36. Rgg3 Qc4 37. Rf3 c5 38. Nf2 (38. Qg2 $17 {was called for.}) 38... d4 $1 39. Nd3 {[#]} Bc7 40. exd4 cxd4 41. Ne5 dxc3 (41... Bxe5 42. fxe5 dxc3 43. Qd8+ Re8 44. Rxf7+ Qxf7 45. Qd6+ Kg8 46. Rxc3) 42. Rxc3 (42. bxc3 Bxe5 43. fxe5) 42... Qf1+ 43. Kc2 {intending Rhf3.} Bxe5 44. Rhf3 Qb5 45. fxe5 Qxe5 46. Qh6+ Kg8 47. Rxf7 {[%csl Gf7][%CAl Rh6h7]} Qe2+ $2 ({Worse is} 47... Kxf7 48. Qxh7+ Qg7 49. Qh4 $11) (47... Qe4+ $19 48. Kc1 Qe1+ 49. Kc2 Re2+ 50. Kb3 Qd1+ 51. Ka2 Qd5+ {[%mdl 64] Double Attack} 52. Kb1 Qxf7) 48. Kb1 $11 {[%csl Gf7][%CAl Rh6h7]} Qe4+ (48... Kxf7 {is more complex.} 49. Qxh7+ Kf6 50. Qh8+ Kf7 51. Rc1 Qf2) 49. Ka1 {[%csl Gf7][%CAl Rh6h7]} Kxf7 50. Qxh7+ $14 {[%mdl 4096] Endgame KQR-KQR} Kf6 51. Qh8+ {[%mdl 1024] White has compensation.} Kf7 52. Qh7+ (52. Rc1 {with more complications.} Qf4 53. Rh1 Qf5 54. Qd4 b5 55. Qh8) 52... Ke6 ( 52... Kf6 $5 {[%CAl Re7h7]} 53. Qh8+ Kf7 $16) 53. Qg8+ Kf5 {With the idea ... Qe1+.} 54. Rc1 (54. Qf8+ $16 Kg4 55. Qh6) 54... Qe2 $2 {[#]} (54... Kg5 $14) 55. Qf8+ $2 (55. Rg1 $1 $18 {is the precise move to win.} Re6 56. Qf7+ Ke5 57. Qg7+ Kf5 58. Qf7+ Ke5 59. Qg7+ Rf6 60. Qe7+ Re6 61. Qc5+ Ke4 62. Qc1) 55... Ke6 $16 56. Qg8+ (56. Qc8+ $16 Kf7 57. Rh1) 56... Kf6 (56... Kf5 $11 {remains equal.}) 57. Qf8+ ({Better is} 57. Rg1 Qe4 58. Qf8+ Ke6 59. Rd1) 57... Ke6 $1 58. Qg8+ {[%mdl 64] Double Attack} Kf6 59. Qf8+ Ke6 $1 60. Qg8+ ({White should try} 60. Qh6 $16 Kf7 61. Rh1) 60... Ke5 $2 {[%mdl 40960] A wild game. Weighted Error Value: White=0.38/Black=0.33. An unexpected result.} (60... Kf6 $11) 1/2-1/2 [Event "BAN-chT SAIF POWERTEC 2020"] [Site "Dhaka"] [Date "2021.03.22"] [Round "4.4"] [White "Rahman, Taibur"] [Black "Subrota, Biswas"] [Result "1-0"] [ECO "D35"] [WhiteElo "2215"] [BlackElo "2262"] [Annotator "Shahid"] [PlyCount "113"] [EventDate "2021.03.19"] [EventType "team-tourn"] [EventCountry "BAN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [WhiteTeam "Bangladesh"] [BlackTeam "Bangladesh"] [WhiteTeamCountry "BAN"] [BlackTeamCountry "BAN"] {[%evp 12,113,13,12,12,14,16,20,21,25,21,16,27,22,29,2,13,0,41,35,27,10,14,7, 47,0,0,0,32,14,35,21,20,32,47,0,133,133,139,108,112,87,687,700,654,476,711,479, 469,479,455,454,585,579,579,564,619,610,602,616,655,651,835,797,866,859,835, 835,834,831,832,830,808,720,714,714,714,707,809,800,777,727,755,654,625,634, 600,593,587,586,612,608,585,574,610,578,662,656,831,620,651,635,781,746]} 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. cxd5 exd5 7. e3 h6 {The modern move. D35: Queen's Gambit Declined: Exchange Variation.} 8. Bh4 g5 9. Bg3 Nh5 { The position is equal.} 10. Bd3 Nxg3 11. hxg3 Bg7 12. Qc2 Nb6 13. Rd1 Qe7 {[#]} 14. a4 $146 {[%CAl Ba2a4,Ba4a5,Ba5a6][%mdl 32]} ({Predecessor:} 14. O-O O-O 15. e4 dxe4 16. Bxe4 Be6 17. Rfe1 Qc7 18. Bh7+ Kh8 19. Bf5 Bxf5 20. Qxf5 {0-1 (77) Almagro Llamas,P (2483)-Mista,A (2575) Madrid 2018}) 14... Be6 15. a5 Nd7 16. a6 b6 17. O-O O-O 18. Bf5 Rac8 19. g4 Nf6 20. Ne5 Ne8 21. e4 dxe4 22. Qxe4 { [#] And now Nxf7! would win.} Nd6 23. Qd3 ({Reject} 23. Nxc6 Qe8 $15) 23... Bxe5 $2 (23... Rfe8 $11) 24. dxe5 $16 Nc4 25. Qh3 Kg7 26. Ne4 {Black must now prevent b3.} Nxe5 $2 {[%mdl 8192] This move loses the game for Black.} (26... Rcd8 $16) 27. Bxe6 $18 {White is clearly winning.} Rcd8 (27... Qxe6 28. Rd6) ( 27... fxe6 28. Qc3 $18) 28. Bf5 Qb4 (28... Rxd1 $142 29. Rxd1 Rd8) 29. Qc3 Qxc3 30. bxc3 {[%CAl Bb2c3,Bc3c4][%mdl 32]} ({Less strong is} 30. Nxc3 Rfe8 $18) 30... Nd3 {[#]} 31. Nxg5 $1 {[%mdl 512]} Nc5 (31... hxg5 32. Bxd3) 32. Ne4 Nxa6 33. Ra1 Nc7 34. Rxa7 Nd5 35. c4 Nf4 36. Rb1 Rd4 37. g3 Nd3 38. Rxb6 Rxc4 39. Nd6 Rc1+ 40. Kg2 Ne1+ 41. Kh3 Nf3 42. Rb1 Rxb1 43. Bxb1 Kf6 44. Kg2 Ne1+ 45. Kf1 Nf3 46. Ba2 Nh2+ 47. Kg2 Nxg4 48. Nxf7 Rb8 49. Ra4 h5 50. Rf4+ Kg7 51. Be6 Nf6 52. Ng5 Re8 53. Bf5 Re2 54. Ne6+ Kh6 55. Nd4 Rd2 56. Nxc6 Nd5 57. Rd4 { Weighted Error Value: White=0.21/Black=0.37} 1-0 [Event "BAN-chT SAIF POWERTEC 2020"] [Site "Dhaka"] [Date "2021.03.22"] [Round "4.5"] [White "Mohammad Fahad, Rahman"] [Black "Jabed Al Azad"] [Result "1-0"] [ECO "B12"] [WhiteElo "2307"] [BlackElo "2002"] [Annotator "TA"] [PlyCount "82"] [EventDate "2021.03.19"] [EventType "team-tourn"] [EventCountry "BAN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [WhiteTeam "Bangladesh"] [BlackTeam "Bangladesh"] [WhiteTeamCountry "BAN"] [BlackTeamCountry "BAN"] {[%evp 9,82,-31,-34,-93,-74,-99,0,0,27,15,31,36,58,54,52,50,49,41,37,31,52,46, 52,46,68,52,68,61,59,61,126,125,165,165,177,176,191,197,402,416,494,487,454, 446,561,569,564,543,561,560,535,531,650,501,890,969,958,945,890,875,977,881, 1205,1177,1178,1152,1118,1022,29976,29968,29981,29973,29972,29973,29992]} 1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h5 5. Bg5 Qb6 6. Bd3 {B12: Caro-Kann: Advance Variation.} (6. b3 $15) 6... Bxd3 $17 {6...Qxd4 injects fresh life into this line.} 7. Qxd3 e6 ({Black should try} 7... Qxb2 $17 8. Qc3 Qxc3+ 9. Nxc3 e6) 8. Nd2 $11 {The position is equal.} Ne7 9. Ngf3 Nd7 10. O-O Nf5 11. c4 Be7 12. Bxe7 Nxe7 13. Rfc1 O-O {[#]} 14. a4 $146 {[%CAl Ba2a4,Ba4a5][%mdl 32]} ({ Predecessor:} 14. Qe3 Nf5 {1/2-1/2 (14) Jordan,J (2114)-Hallekamp,G (2085) Tostedt 2015}) 14... Rfc8 15. a5 Qd8 16. b4 Nf8 17. g3 Nf5 18. Nb3 {[%CAl Bd2b3,Bb3a5,Ba5b7,Bb7d6][%mdl 32]} b6 19. c5 b5 {Black is on the road to losing.} (19... bxc5 $14 20. Nxc5 Nd7) 20. a6 $16 Nd7 21. Na5 Qc7 22. Nb7 Rf8 23. Nd6 Nxd6 $2 (23... g6 {was necessary.} 24. Ng5 Qb8) 24. cxd6 $18 Qc8 25. Ng5 {[%csl Gg5][%CAl Rd3h7]} g6 {[#]} 26. Nxe6 $1 {[%mdl 512]} Nxe5 (26... fxe6 27. Qxg6+) 27. dxe5 Qxe6 28. Rxc6 Qxe5 29. Rd1 Qe4 30. Qxb5 Rab8 31. Qxd5 Qxb4 (31... Qxd5 $142 32. Rxd5 Rfd8) 32. d7 {[#] Threatening mate with Rxg6+.} Kg7 33. Qd4+ Qxd4 34. Rxd4 {[%mdl 4096] Endgame KRR-KRR} Rfd8 35. Rc7 Ra8 36. Rb4 Kf6 37. Rbb7 Ke7 38. Rxa7 Rab8 39. Rab7 {White mates.} Kd6 40. a7 Ra8 41. Rc8 Kd5 {Weighted Error Value: White=0.09/Black=0.53} 1-0 [Event "BAN-chT SAIF POWERTEC 2020"] [Site "Dhaka"] [Date "2021.03.22"] [Round "4.6"] [White "Erigaisi Arjun"] [Black "Ganguly, Surya Shekhar"] [Result "*"] [ECO "C45"] [WhiteElo "2559"] [BlackElo "2635"] [Annotator "TA"] [PlyCount "60"] [EventDate "2021.03.19"] [EventType "team-tourn"] [EventCountry "BAN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [WhiteTeam "India"] [BlackTeam "India"] [WhiteTeamCountry "IND"] [BlackTeamCountry "IND"] {[%evp 14,60,0,-27,-2,-23,-31,-45,-16,-21,-9,-55,-22,-27,-19,-31,-32,-67,-71, -93,-76,-53,28,0,0,-2,3,-4,22,-24,-21,-16,-13,-5,-27,-39,-17,-55,-19,-19,-19, -20,-20,-34,0,-28,-6,-10,0]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. h4 a5 {C45: Scotch Game.} 9. c4 Nb6 {9...Ba6 is more advanced technology.} 10. Nd2 a4 {Black is slightly better.} 11. h5 {[#]} h6 $146 ({Predecessor:} 11... Ra5 12. Nf3 Qb4+ 13. Kd1 Ba6 14. Rh4 Be7 15. Re4 d5 16. exd6 Qxd6+ 17. Qd2 Rxh5 {0-1 (44) Nastase,R (2296)-Vajda,L (2547) Sovata 2018}) 12. f4 Qe6 13. g4 Ra5 14. Rh3 Ba6 15. f5 Qe7 16. Re3 Qh4+ 17. Kd1 {[#]} Kd8 (17... Nxc4 $1 $15 18. Nxc4 Rd5+ 19. Bd2 Bb4) 18. Re4 d5 19. exd6 Bxd6 20. Qe3 {Black must now prevent Qc3.} Qf6 (20... Nd7 {feels hotter.} 21. Kc2 Qh2 22. Qf3 Re5 23. Qg2 Qxg2 24. Bxg2 Rhe8) 21. Qc3 Qxc3 22. bxc3 Re8 23. Rxe8+ Kxe8 24. Rb1 f6 (24... Re5 {keeps more tension.} 25. Kc2 c5 26. Bd3 Bb7 27. f6 gxf6 28. Nf1 Re4) 25. Kc2 Kf7 (25... Kd7 {looks sharper.} 26. Bd3 Kc8 27. Kd1 Bf4 28. Kc2 c5) 26. c5 Bxc5 27. Bxa6 Rxa6 28. Ne4 Be7 (28... Bd6 $5) 29. Kd3 Ra8 30. Bf4 Rd8+ {Weighted Error Value: White=0.15/Black=0.17} * [Event "BAN-chT SAIF POWERTEC 2020"] [Site "Dhaka"] [Date "2021.03.22"] [Round "4.7"] [White "Sadhwani, Raunak"] [Black "Dhulipalla Bala Chandra Prasad"] [Result "1-0"] [ECO "C77"] [WhiteElo "2545"] [BlackElo "2441"] [Annotator "TA"] [PlyCount "53"] [EventDate "2021.03.19"] [EventType "team-tourn"] [EventCountry "BAN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [WhiteTeam "India"] [BlackTeam "India"] [WhiteTeamCountry "IND"] [BlackTeamCountry "IND"] {[%evp 16,53,31,22,19,17,16,18,46,49,66,49,53,56,68,69,112,128,125,86,87,68,47, 50,61,46,120,102,220,221,211,210,208,158,1004,945,29992,29993,29993,29992]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 d6 6. c3 g6 7. O-O Bg7 8. Re1 O-O 9. h3 Re8 {C77: Ruy Lopez: 3...a6 4 Ba4 Nf6, unusual lines.} 10. Be3 b5 11. Bc2 d5 {The position is equal.} 12. Nbd2 {[#]} d4 $146 ({Predecessor:} 12... h6 13. a4 Be6 14. Qc1 Nd7 15. d4 exd4 16. cxd4 Nb4 17. Bb1 dxe4 18. Nxe4 Kh7 19. axb5 axb5 20. Rxa8 Qxa8 21. Qxc7 {1/2-1/2 (48) Durarbayli,V (2617)-Le,Q (2708) Douglas 2019}) 13. cxd4 exd4 14. Bf4 Nd7 15. Rc1 Bb7 16. Bb3 Nce5 17. Nxe5 (17. Nxd4 c5 $11) 17... Nxe5 18. Bxe5 Rxe5 19. f4 Re7 20. e5 g5 ({Better is} 20... Rc8 $14) 21. e6 gxf4 (21... fxe6 $16 22. fxg5 (22. Bxe6+ Kh8 $14) 22... Qd6) 22. exf7+ $18 Kh8 23. Qg4 Qd6 24. Re6 Qb4 {[#]} (24... Rxe6 $16 25. Qxe6 (25. Bxe6 Qe5 $16) 25... Rf8 26. Qxd6 cxd6) 25. Rg6 $3 {[%mdl 512]} f3 (25... Qxb3 26. Nxb3) 26. Rxg7 f2+ 27. Kh2 {Weighted Error Value: White=0.09/Black=0.50} 1-0 [Event "BAN-chT SAIF POWERTEC 2020"] [Site "Dhaka"] [Date "2021.03.22"] [Round "4.8"] [White "Ikramul, Haq Siam"] [Black "Mollah Abdullah, Al Rakib"] [Result "0-1"] [ECO "A45"] [WhiteElo "2037"] [BlackElo "2463"] [Annotator "TA"] [PlyCount "60"] [EventDate "2021.03.19"] [EventType "team-tourn"] [EventCountry "BAN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [WhiteTeam "Bangladesh"] [BlackTeam "Bangladesh"] [WhiteTeamCountry "BAN"] [BlackTeamCountry "BAN"] {[%evp 18,60,21,24,28,20,32,27,27,22,22,17,21,15,31,22,28,12,16,0,0,0,0,0,7, -55,-18,-18,-18,-22,-22,-23,-17,-17,-13,-72,-72,-131,-137,-137,-129,-130,-131, -267,-257]} 1. d4 Nf6 2. Bg5 d6 3. Bxf6 exf6 4. e3 f5 5. g3 Nd7 6. Bg2 Nf6 7. Ne2 g6 8. c4 Bg7 9. Nbc3 O-O 10. O-O c6 {A45: Trompowsky Attack.} 11. Qd3 h5 { [#]} 12. b4 $146 ({Predecessor:} 12. h4 Re8 13. b4 Ng4 14. b5 Bd7 15. Rab1 Bf6 16. Nf4 g5 17. bxc6 bxc6 18. Nxh5 gxh4 {1/2-1/2 (30) Yurtseven,M (2318)-Injac, T (2215) Paracin 2016}) 12... h4 {White has an edge.} 13. b5 Bd7 14. Rab1 hxg3 15. hxg3 Qc7 16. Rfc1 Rfe8 17. a4 Bh6 18. bxc6 bxc6 19. d5 {aiming for dxc6.} c5 20. Nb5 Bxb5 21. Rxb5 (21. axb5 $11 Ng4 22. Rc3) 21... Rab8 (21... a6 $5 { [%CAl Ra6b5]} 22. Rb3 Qa5 $15) 22. Rcb1 a6 23. R5b3 Nd7 24. Qc2 Rxb3 25. Rxb3 Rb8 26. Nc1 (26. Rxb8+ $11 Qxb8 27. e4) 26... Rb4 $17 27. Rb1 (27. Rxb4 $142 cxb4 28. Nb3) 27... Rxb1 $1 28. Qxb1 {[#]} Qa5 $1 29. Bf1 Qxa4 30. Qb7 {[#]} ( 30. Qb3 $17 Qb4 31. Qxb4 cxb4 32. Nb3) 30... Ne5 $1 {Weighted Error Value: White=0.22/Black=0.04} 0-1 [Event "BAN-chT SAIF POWERTEC 2020"] [Site "Dhaka"] [Date "2021.03.22"] [Round "4.9"] [White "Adhiban, B..."] [Black "Hamid, Rani"] [Result "1-0"] [ECO "B46"] [WhiteElo "2659"] [BlackElo "1923"] [Annotator "TA"] [PlyCount "51"] [EventDate "2021.03.19"] [EventType "team-tourn"] [EventCountry "BAN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [WhiteTeam "India"] [BlackTeam "Bangladesh"] [WhiteTeamCountry "IND"] [BlackTeamCountry "BAN"] {[%evp 18,51,35,33,47,35,65,64,57,60,72,63,71,71,80,64,97,88,85,91,99,99,163, 105,211,211,200,192,411,378,1372,1354,2351,2282,1909,1864]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 Nf6 7. Qe2 d6 8. f4 Nc6 9. Nxc6 bxc6 10. O-O e5 {B46: Sicilian: Taimanov: 5 Nc3 a6.} 11. h3 $5 {[%mdl 4] A promising side line.} Be7 12. fxe5 dxe5 {White is slightly better.} 13. Be3 { [#]} a5 $146 ({Predecessor:} 13... O-O 14. Na4 c5 15. Nc3 Bb7 16. Bg5 Qb6 17. Na4 Qc6 18. Nc3 Rac8 19. Bc4 Rcd8 20. Bxf6 Bxf6 {1-0 (37) Bui,H (1884)-Askerov, I (1848) Duesseldorf 2016}) 14. Na4 Rb8 15. b3 O-O 16. Qf2 Nd7 17. Rad1 Kh8 18. Kh1 Ra8 19. Bc4 Ba6 {[#]} (19... Rb8 $16 {might work better.} 20. Qg1 Kg8) 20. Qf5 (20. Bxa6 $1 $18 Rxa6 21. Qf5) 20... Nf6 (20... Bc8 $16) 21. Nb6 $18 Ra7 { [#]} 22. Nd7 $1 {[%mdl 576] Discovered Attack} Bc8 $2 (22... Nxd7 {was worth a try.} 23. Bxa7 Bc8) 23. Qxe5 Bxd7 $2 (23... Qxd7 24. Rxd7 Rxd7) 24. Qxe7 { [%mdl 64] Double Attack. White is clearly winning.} Raa8 25. Rxf6 Qg3 26. Rf3 { Weighted Error Value: White=0.05/Black=0.43} 1-0 [Event "BAN-chT SAIF POWERTEC 2020"] [Site "Dhaka"] [Date "2021.03.22"] [Round "4.10"] [White "Nayem, Haque"] [Black "Kovalev, Vladislav"] [Result "0-1"] [ECO "C68"] [WhiteElo "2040"] [BlackElo "2648"] [Annotator "TA"] [PlyCount "70"] [EventDate "2021.03.19"] [EventType "team-tourn"] [EventCountry "BAN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [WhiteTeam "Bangladesh"] [BlackTeam "Belarus"] [WhiteTeamCountry "BAN"] [BlackTeamCountry "BLR"] {[%evp 9,70,-1,2,-32,-25,-23,-15,-38,-33,-39,-21,-39,-40,-31,-35,-29,-12,-42, -42,-66,-62,-66,-59,-88,-77,-83,-91,-93,-78,-144,-91,-80,-81,-102,-111,-110, -104,-98,-114,-149,-110,-111,-112,-108,-119,-101,-104,-158,-150,-261,-257,-259, -264,-287,-283,-282,-278,-337,-322,-314,-282,-275,-272]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d3 f6 6. Nbd2 {C68: Ruy Lopez: Exchange Variation, sidelines.} Be6 7. Qe2 Ne7 8. O-O {The position is equal.} c5 {[#]} 9. Nc4 $146 ({Predecessor:} 9. Rd1 Nc6 10. c3 Bd6 11. Nf1 Qd7 12. Be3 Rd8 13. d4 cxd4 14. cxd4 exd4 15. Nxd4 Nxd4 16. Bxd4 {1/2-1/2 (37) Garcia Saez,J (2182)-Cuadrado Garcia,J (1955) Galapagar 2004}) 9... Qd7 10. Be3 Nc6 11. c3 Rd8 12. Rfd1 Qf7 13. Ncd2 Be7 14. Nh4 g6 ({Much worse is} 14... Bxa2 $6 15. b3 $14) 15. Nhf3 O-O 16. Nf1 Bxa2 17. c4 Nb4 18. Ne1 a5 19. Nd2 (19. Rdc1 $142) 19... a4 (19... f5 $142 {...f4 is the strong threat.} 20. Bh6 Rfe8) 20. Rdc1 $17 f5 {[#] Strongly threatening ...f4.} 21. f3 b6 22. Rc3 Bh4 23. g3 Bf6 24. Ra3 Bb3 25. Nxb3 axb3 26. Rxb3 f4 27. Bd2 Nc6 {Threatens to win with ...Nd4.} 28. Bc3 ({Better is} 28. Rba3) 28... h5 29. Rb5 {[#]} (29. Qg2 $17 {is a better defense.}) 29... fxg3 $1 $19 {Black has a decisive advantage.} 30. hxg3 h4 31. g4 Bg5 32. Rd1 Bf4 33. Rb3 Bg3 34. Kg2 Bxe1 35. Rxe1 Qf4 {Weighted Error Value: White=0.17/ Black=0.07} 0-1 [Event "BAN-chT SAIF POWERTEC 2020"] [Site "Dhaka"] [Date "2021.03.22"] [Round "4.11"] [White "Reefat, Bin-Sattar"] [Black "Sumit, Kumar"] [Result "1-0"] [ECO "C54"] [WhiteElo "2409"] [BlackElo "2196"] [Annotator "TA"] [PlyCount "61"] [EventDate "2021.03.19"] [EventType "team-tourn"] [EventCountry "BAN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [WhiteTeam "Bangladesh"] [BlackTeam "India"] [WhiteTeamCountry "BAN"] [BlackTeamCountry "IND"] {[%evp 14,61,16,10,7,0,17,0,7,-8,30,13,38,27,42,61,130,140,159,141,132,120,122, 136,150,143,145,123,137,57,327,323,707,300,308,308,822,808,774,209,796,836,781, 616,1928,1887,29989,29990,29997,29998]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. c3 d6 6. h3 a6 7. Bb3 Ba7 8. Nbd2 h6 {C54: Giuoco Piano: 4 c3 Nf6, main lines with 5 d4 and 5 d3.} 9. Nf1 O-O 10. g4 d5 {The position is equal.} 11. Qe2 dxe4 12. dxe4 Nh7 13. g5 hxg5 14. Rg1 $1 {[%CAl Rc1g5]} g4 ({Don't go for} 14... Bxh3 $2 15. Nxg5 Bxf1 16. Qxf1 $18) (14... Na5 $14) 15. hxg4 $16 Be6 {[#] } 16. g5 $146 ({Predecessor:} 16. Bxe6 fxe6 17. g5 g6 18. Be3 Qd7 19. Bxa7 Rxa7 20. Ne3 Raa8 21. Ng4 {1/2-1/2 (35) Uuriintuya,U (2255)-Batchimeg,T (2395) Uliastai 2016}) 16... Qd6 17. Be3 Bxb3 18. axb3 Qe6 19. Bxa7 Rxa7 20. Ne3 Ne7 { [#]} 21. O-O-O (21. Nh4 $1 $16) 21... b5 $2 {[%mdl 8192] [#] A mistake that costs the game.} ({Black should play} 21... a5 $1 $14) 22. Rh1 $1 $18 Rb8 $2 ( 22... Ng6 23. Nf5 Re8) 23. Rh5 (23. g6 $142) 23... Ng6 24. Rdh1 Nhf8 (24... Nf4 ) 25. Nf5 c5 26. Qe3 $2 (26. Qf1 {Strongly threatening Qh3.} Qb6 27. Qh3) 26... Rc7 $2 (26... Rd7 27. Qxc5 Re8) 27. N3h4 Rd8 {[#]} 28. Nxg7 $1 {[%mdl 512]} Qxb3 {White must now prevent ...Rcd7.} (28... Qg4 29. Nhf5) (28... Kxg7 29. Nf5+ Kg8 30. Qh3) 29. Ngf5 {[%CAl Bg7f5,Bf5h6,Bh6g4][%mdl 32] White threatens Nh6+ and mate.} Rdd7 30. Nh6+ Kh7 31. Ng4+ {Weighted Error Value: White=0.57/ Black=0.70} 1-0 [Event "BAN-chT SAIF POWERTEC 2020"] [Site "Dhaka"] [Date "2021.03.22"] [Round "4.12"] [White "Kaustuv, Kundu"] [Black "Mehdi Hasan Parag"] [Result "1-0"] [ECO "A29"] [WhiteElo "2301"] [BlackElo "2204"] [Annotator "TA"] [PlyCount "119"] [EventDate "2021.03.19"] [EventType "team-tourn"] [EventCountry "BAN"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] [WhiteTeam "India"] [BlackTeam "Bangladesh"] [WhiteTeamCountry "IND"] [BlackTeamCountry "BAN"] {[%evp 15,119,27,28,21,27,27,33,32,23,20,27,10,96,86,81,95,114,116,140,127,134, 140,162,163,165,135,141,149,145,136,238,235,275,280,340,338,360,218,193,187, 223,183,144,32,32,46,36,29,36,36,64,63,205,212,257,260,253,257,276,261,297,296, 300,300,300,300,264,291,300,300,300,300,300,279,270,218,218,211,289,289,612, 569,2884,578,2949,2804,2784,2291,2794,29976,3376,29977,8318,6418,29978,29979, 29985,29986,29987,29988,29989,29990,29994,29995,29996,29997]} 1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. O-O Nf6 7. Nc3 Bc5 {7...h6 is the modern continuation.} 8. d3 O-O 9. Bg5 {A29: English Opening: Four Knights Variation with 4 g3.} h6 10. Bxf6 Qxf6 11. Ne4 {White is slightly better.} Qe7 12. Nxc5 Qxc5 {[#]} 13. Nd2 $146 ({Predecessor:} 13. a3 Bf5 14. b4 Qe7 15. Nd2 Rad8 16. Bxc6 bxc6 17. Qa4 Bg4 18. f3 Bh3 19. Rfc1 {1-0 (58) Kocsis,S (1409) -Alexandrova,A (1585) Mosonmagyarovar 2017}) 13... Qe7 (13... Qb5 $11 {keeps the balance.}) 14. Bxc6 $16 bxc6 15. Rc1 Rb8 16. b3 f5 17. Qc2 Bd7 18. Qc5 Qd6 19. Rc2 Kh8 20. Qxa7 Ra8 21. Qe3 f4 22. Qe4 fxg3 (22... Bf5 $16 23. Qg2 (23. Qxc6 Qxc6 24. Rxc6 Rxa2 $16) 23... Be6 24. Qxc6 Qxc6 25. Rxc6 Rxa2) 23. hxg3 $18 (23. fxg3 Rxf1+ 24. Kxf1 Rf8+ 25. Ke1 (25. Nf3 Rf6 $18) 25... Qe7) 23... Rf5 24. Nf3 Raf8 25. Rfc1 Rh5 26. Rxc6 Bxc6 27. Qxc6 Qe7 28. g4 ({Don't do} 28. Qxc7 $6 Qe6) 28... e4 29. Qxe4 (29. gxh5 $16 exf3 30. Qc5 (30. exf3 Qg5+ 31. Kf1 Qxh5 $16) 30... Qxc5 31. Rxc5) 29... Qxe4 $14 30. dxe4 $16 {[%mdl 4096] Endgame KRR-KRN} Ra5 31. Kg2 Rxa2 32. e3 Rf7 33. e5 Rb2 {Black cannot hold the game after this.} (33... Kg8 $14) 34. e6 $18 Re7 35. Nd4 g6 36. Kg3 Kg7 37. f4 Kf6 38. Kf3 Rd2 39. Rc5 Rd1 {[#]} 40. b4 $1 {[%CAl Bb3b4,Bb4b5][%mdl 32]} Rf1+ {[#]} 41. Kg2 $1 {[%CAl Rg2f1]} Rd1 42. b5 Rd2+ 43. Kf3 Rd1 44. Rc2 Rf1+ 45. Kg2 Re1 46. Kf2 Rd1 47. Rc4 Rb1 $2 (47... Rd2+ 48. Kf3 g5) 48. e4 Rd1 49. e5+ Kg7 50. f5 gxf5 51. gxf5 {White threatens f6+ and mate.} Kf8 52. f6 Re8 53. Ke3 Re1+ 54. Kf4 Rf1+ 55. Ke4 {White mates.} Re1+ 56. Kf5 Rf1+ 57. Kg6 Rg1+ 58. Kh7 Rb8 59. Rxc7 Rg4 60. Nf5 {Weighted Error Value: White=0.09/Black=0.36} 1-0