[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.15"]
[Round "1.1"]
[White "Zia, Tahsin Tajwar"]
[Black "Ishmam Inan, Nasif"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2283"]
[BlackElo "1066"]
[Annotator "TA"]
[PlyCount "49"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,48,32,51,51,55,36,41,25,383,371,491,500,513,528,488,362,1029,687,678,666,1089,717,734,724,700,656,1172,1136,29978,29975,29986,29987,29987,29988,29988,29989,29997,29998,29998,29999,29999]} 1. d4 e6 2. Nf3 d5 3. c4 Nf6 4. g3 h6 5. Bg2 Nc6 6. O-O {E01: Catalan: Early deviations.} Bd6 7. Nc3 dxc4 8. e4 {[%cal Be2e4,Be4e5][%mdl 32] [#] And now e5 would win. White is slightly better.} g5 $146 {[%mdl 8192]} (8... Nd7 $1 $11 {and Black has nothing to worry.}) ({Predecessor:} 8... O-O 9. e5 Nh5 10. exd6 cxd6 11. Nd2 Nf6 12. Nxc4 d5 13. Ne5 Bd7 14. Bf4 Na5 {1-0 (51) Al Maamari,H-Chanthavong,S Chess.com INT 2021}) 9. e5 $18 g4 10. Nd2 ({Less strong is} 10. exd6 gxf3 11. dxc7 (11. Qxf3 cxd6 12. Nb5 Kf8 $16) 11... Qxc7 $18) 10... Nxe5 11. dxe5 Bxe5 12. Nxc4 Qd4 (12... Qxd1 13. Rxd1 Bxc3 14. bxc3 Nd5) 13. Nxe5 Qxe5 14. Bf4 Qa5 15. Ne4 Nxe4 16. Bxe4 {This bishop pair is nice.} f5 17. Bg2 {[%cal Be4g2,Bg2d5,Bd5f7][%mdl 32] aiming for Qd4.} e5 {[#] Inhibits Qd4.} 18. Bxe5 $1 {[%mdl 512]} Qxe5 (18... O-O 19. Bc3) 19. Re1 {White mates.} Qxe1+ 20. Qxe1+ Kf7 21. Bd5+ Kg6 22. Qe7 Bd7 23. Qf7+ Kg5 24. Qg7+ Kh5 25. Bf7# {Black did not feel at home in the position after the opening.  Weighted Error Value: White=0.36/Black=1.03} 1-0

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.15"]
[Round "1.2"]
[White "Aayan, Kamal Talukder"]
[Black "Manon, Reja Neer"]
[Result "0-1"]
[ECO "B10"]
[BlackElo "2209"]
[Annotator "TA"]
[PlyCount "58"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,57,-30,-24,-39,-31,-36,-29,-95,-104,-100,-62,-101,-95,-128,-118,-132,-105,-236,-241,-239,-247,-397,-269,-297,-271,-1276,-1275,-1236,-1235,-1437,-1163,-1225,-1218,-1285,-1259,-2200,-2190,-2112,-2047,-3455,-3383,-3238,-3190,-3013,-2914,-29995,-29996,-29996,-29997,-29999]} 1. e4 c6 2. Bc4 d5 3. Bd3 {[%cal Bc4d3,Bd3e4,Be4f3][%mdl 32]} dxe4 4. Bxe4 Nf6 5. Bf3 e5 {[#]} 6. Nc3 $146 {Prevents e4. B10: Caro-Kann: 2 d3 and 2 c4.} ({Predecessor:} 6. d3 Be6 7. Nc3 Nbd7 8. Nge2 Qc7 9. O-O O-O-O 10. Ng3 Be7 11. a3 Kb8 12. Nce4 Nxe4 13. Nxe4 {0-1 (31) Burns,P (1300)-Owens,D (1350) IECG email 2003}) 6... Bc5 7. d3 O-O 8. Nh3 (8. Nge2 $11) 8... Bxh3 $17 9. gxh3 Qd7 10. O-O Qxh3 11. Bg5 Nbd7 12. Rb1 Qf5 {Black is more active.} 13. h4 {This move loses the game for White.} (13. Bd2 $17) 13... h6 $19 14. Bd2 Qh3 {[%cal Oe5e4] [#] White must now prevent ...e4!} 15. b4 (15. Bg2 $142 Qxh4 16. Qf3) 15... Bd4 16. Bg2 Qxh4 {...Ng4 is the strong threat.} 17. b5 $2 (17. Qf3) 17... Ng4 18. Qxg4 Qxg4 19. Rfe1 Nf6 {[#] Hoping for ...Qh4.} 20. Ne2 Bb6 {aiming for ...Qh4.} 21. Rb4 Qf5 22. Ng3 Qxf2+ 23. Kh2 Qxd2 24. Rbb1 Ng4+ 25. Kh3 Nf2+ 26. Kh2 Qg5 {( -> ...Qh4+)} 27. Ne4 Qh4+ {Black mates.} 28. Kg1 Nxe4+ 29. Kf1 Ng3# {Weighted Error Value: White=0.96/Black=0.30} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.15"]
[Round "1.3"]
[White "Subrota, Biswas"]
[Black "Abdul Qayyum"]
[Result "1-0"]
[WhiteElo "2202"]
[BlackElo "1735"]
[Annotator "TA"]
[PlyCount "19"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,18,213,955,946,931,822,1200,1209,29998,29999,29999]} 1. e4 e5 2. Nf3 Nc6 3. d4 f6 4. Bc4 Nh6 5. Bxh6 {[#]} Rg8 $146 (5... gxh6 6. Nc3 Qe7) ({Predecessor:} 5... gxh6 6. d5 Nb4 7. a3 Na6 8. O-O h5 9. Nh4 d6 10. Qxh5+ Kd7 11. Bb5+ c6 12. Bxa6 bxa6 {1-0 (28) Pacheco,J (1139)-Rodrigues,G Guimaraes 2017}) 6. Bxg8 $18 {C44: Ponziani Opening and Scotch Gambit.} gxh6 7. Nc3 {[%cal Of3g5] And now Ng5! would win.} Nb4 {[#]} 8. Nxe5 $1 {Qh5+ would kill now.} fxe5 (8... Ke7 9. Qh5) 9. Qh5+ Ke7 10. Qxe5# {Black got outplayed after the opening} 1-0

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.15"]
[Round "1.4"]
[White "Adrian, Ferdous"]
[Black "Sakline Mostafa, Sajid"]
[Result "0-1"]
[ECO "B30"]
[BlackElo "2089"]
[Annotator "TA"]
[PlyCount "34"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,33,4,0,0,0,0,7,-8,-14,-27,-36,-61,-50,-177,-192,-176,-172,-161,-154,-517,-496,-502,-482,-29998,-29999,-29999]} 1. e4 c5 2. Bc4 Nc6 3. Nf3 e6 4. O-O a6 5. d3 d5 6. exd5 {B30: Sicilian: 2...Nc6 3 Bb5, lines without ...g6.} exd5 7. Bb3 {[#]} ({But not} 7. Bg5 f6 8. Re1+ Be7 9. Bxd5 Qxd5 $17) 7... Nf6 $146 ({Predecessor:} 7... Be7 8. c3 Bg4 9. Re1 Nf6 10. Nbd2 O-O 11. Nf1 Bh5 12. Ng3 Bg6 13. d4 cxd4 14. Nxd4 {1-0 (29) Pasalic,M (2407)-Tsyganov,I (2265) Chicago 2007}) 8. Bg5 {The position is equal.} Be7 {Active counter play!} 9. Bf4 O-O 10. Nc3 Bg4 11. Qd2 ({White should try} 11. h3 $15 Be6 12. Re1) 11... Bxf3 $19 12. gxf3 Nd4 13. Kg2 Qd7 14. Ba4 $2 (14. Rg1 $17 {is more resistant.}) 14... b5 15. Bb3 {[#]} Nxf3 $1 {[%mdl 512]} 16. Kxf3 (16. Qe2 $19 Nh4+ 17. Kh1) (16. Qd1 Nh4+) 16... Qg4+ 17. Ke3 d4# {White did not feel at home in the position after the opening.  Weighted Error Value: White=1.36/Black=0.03 (flawless)} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.15"]
[Round "1.5"]
[White "Noshin, Anjum"]
[Black "Ajraf, Anan"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "2017"]
[Annotator "TA"]
[PlyCount "95"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,94,123,148,133,171,164,156,158,165,141,127,130,146,145,136,142,150,139,134,135,135,122,170,176,188,175,183,170,189,193,273,252,365,383,547,533,600,568,551,562,715,485,555,530,658,634,749,731,1062,1058,1033,981,1483,1451,1388,1381,29968,29961,12802,6506,29984,29985,29987,29988,29988,29989,29989,29990,29990,29991,29991,29992,29992,29993,29995,29996,29996,29996,29997,29997,29997,29998,29999]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4 a6 5. Bxc6+ bxc6 6. dxe5 Bg4 7. exd6 cxd6 8. h3 {C68: Ruy Lopez: Exchange Variation, sidelines.} Bxf3 9. Qxf3 Nf6 10. O-O {White is clearly better.} Be7 {[#]} 11. b3 $146 ({Predecessor:} 11. Nc3 O-O 12. Bf4 Qb6 13. a4 Nd7 14. a5 Qc7 15. b4 Rab8 16. Rab1 Ne5 17. Qg3 {1-0 (35) Nield,R (1648)-Townend,R (1870) Lichess.org INT 2021}) 11... O-O 12. Bb2 Nd7 13. Nd2 {White is more active.} Bf6 14. Bxf6 Nxf6 15. Rad1 d5 16. exd5 Qxd5 17. c4 Qxf3 (17... Qa5 $16) 18. Nxf3 $18 ({Don't play} 18. gxf3 Rfe8 $16) 18... Rfd8 19. Ne5 c5 20. Rfe1 Rxd1 21. Rxd1 {[%mdl 4096] Endgame KRN-KRN} h6 (21... Re8 $142) 22. Nd7 Re8 (22... Nxd7 $142 23. Rxd7 Rc8) 23. Nxc5 Re2 (23... a5 $142 24. Nb7 a4 25. bxa4 Re7) 24. a4 Rb2 25. Rd3 Rb1+ 26. Kh2 Rb2 27. Kg3 Nh5+ 28. Kf3 a5 29. Nb7 Kf8 30. Nxa5 Ke7 31. c5 {[#] Threatens to win with c6.} Nf6 32. c6 {Intending c7 and mate.} Rc2 33. Nc4 {White threatens c7 and mate.} Ne8 34. a5 Nc7 35. Rd7+ Ke6 36. Rxc7 {[#] Rb7 would kill now. KRN-KR} Rc3+ 37. Ke4 {White mates.} Rxb3 38. Rb7 Rc3 39. Kd4 Rc2 40. c7 Kd7 41. Nb6+ Kd6 42. c8=Q Rxc8 43. Nxc8+ Kc6 44. a6 f5 45. Rxg7 f4 46. a7 Kb5 47. a8=Q Kb4 48. Rb7# {Weighted Error Value: White=0.20 (precise) /Black=0.43} 1-0

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.15"]
[Round "1.6"]
[White "Aleena, Amrin"]
[Black "Swarnavo Choudhury"]
[Result "0-1"]
[ECO "D04"]
[BlackElo "1945"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,39,-345,-354,-355,-362,-434,-339,-535,-531,-2181,-2168,-2145,-2132,-2144,-2142,-29991,-29991,-29993,-29993,-29994,-29995,-29995,-29995,-29996,-29996,-29996,-29997,-29997,-29998,-29998,-29999,-29999]} 1. d4 Nf6 2. Nf3 d5 3. e3 c5 {[#]} 4. Bc4 $146 ({Predecessor:} 4. Be2 Nbd7 5. O-O g6 6. b3 Bg7 7. Bb2 O-O 8. Nbd2 cxd4 9. exd4 Ne4 10. c4 Nxd2 11. Qxd2 dxc4 12. bxc4 {0-1 (53) Abdusattorov,N (2690)-Aronian,L (2767) Riga 2021}) 4... dxc4 5. O-O Nc6 6. c3 {D04: Colle System.} Bg4 {[%cal Oe7e5]} 7. Re1 cxd4 {[%cal Bc5d4,Bd4c3,Bc3c2][%mdl 32]} 8. e4 (8. exd4 {keeps fighting.} e6 9. Nbd2) 8... dxc3 9. Re3 Qxd1+ 10. Re1 c2 11. Nc3 Rd8 {[%cal Oc6e5] [#] Strongly threatening ...Ne5!} 12. Na4 Bxf3 {Black mates.} 13. gxf3 Qxe1+ 14. Kg2 Rd1 15. Be3 Qg1+ 16. Kh3 g5 {[%cal Bg7g5,Bg5g4][%mdl 32]} 17. b4 g4+ 18. Kh4 Qxh2+ 19. Kg5 h6+ 20. Kf5 Qe5# {White got outplayed after the opening.  Weighted Error Value: White=1.25/Black=0.09 (flawless)} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.15"]
[Round "1.7"]
[White "Mohammed, Sagar Ullah"]
[Black "Arfan, Islam"]
[Result "1-0"]
[ECO "C41"]
[WhiteElo "1924"]
[Annotator "TA"]
[PlyCount "75"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,75,166,181,188,833,854,833,822,815,789,799,808,875,895,887,857,854,761,928,942,1573,1561,1910,1895,1958,1937,2229,2183,2547,2537,2504,2499,2737,2621,2664,0,2587,2518,2460,2132,6793,6430,5796,3519,3331,3331,29982,29983,29984,2928,2839,2818,29989,29990,29990,29991,29991,29989,29993,29994,29995,29996,29998,29998,29998,29999,29999,29993]} 1. e4 e5 2. Nf3 d6 3. Bc4 Nf6 4. Ng5 Nxe4 {[#]} 5. Bxf7+ $146 ({Predecessor:} 5. Nxe4 c6 6. Ng3 d5 7. Bb3 e4 8. O-O c5 9. d3 e3 10. Bxe3 Nc6 11. Nc3 Be7 12. d4 {1-0 (22) Yim,J (748)-Baranyai,E Sault Ste Marie 2017}) 5... Ke7 6. d3 {C41: Philidor Defence.} ({Much less strong is} 6. Nxe4 $6 Kxf7 7. d4 Qe7 $16) 6... Nxg5 {[#]} (6... Nf6) 7. Bxg5+ $18 Kxf7 8. Bxd8 {White is clearly winning.} Nc6 9. Bg5 h6 10. Be3 h5 11. Nc3 Bg4 12. f3 Bd7 13. Ne4 Bf5 14. c3 Rh6 15. Bxh6 gxh6 16. Qb3+ Ke7 17. Qxb7 Rd8 18. Qxc7+ Bd7 19. Qxd6+ Kf7 20. Qf6+ Ke8 21. Qg6+ Ke7 22. Qf6+ Ke8 23. O-O-O Be7 24. Qxh6 Bf8 25. Qxh5+ Ke7 26. Rhe1 Bg7 27. f4 {[#] Qg5+ would kill now.} Rh8 28. Qg6 Kf8 29. f5 (29. Ng5 $142 Be8 30. Ne6+ Ke7 31. Qxg7+ Kxe6 32. Qxh8 Bg6 33. Qc8+ Kd6 34. fxe5+ Ke7 35. Qxc6) 29... Rh6 30. Qg5 {White wants to mate with f6.} Be8 31. f6 {[%csl Gf6][%cal Rg5g7] White mates.} Rg6 32. fxg7+ Kxg7 33. Qh5 Rh6 34. Qxe8 Na5 35. Rf1 Kh7 36. Ng5+ Kg7 37. Qf7+ Kh8 38. Qf6+ {White took control after the opening.} 1-0

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.15"]
[Round "1.8"]
[White "Arian, Zahir"]
[Black "Dibya, Das Gupta"]
[Result "0-1"]
[ECO "B20"]
[BlackElo "1923"]
[Annotator "TA"]
[PlyCount "83"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,83,-13,-15,-13,14,-48,-42,-48,-33,-77,-89,-69,-79,-88,-95,-90,-82,-77,-92,-80,-90,-120,-120,-120,-120,-172,-120,-179,-120,-120,-120,-120,-120,-120,-120,-357,-339,-364,-353,-333,-265,-258,-215,-204,-215,-243,-240,-257,-260,-372,-373,-352,-355,-339,-354,-493,-489,-860,-690,-1104,-875,-925,-916,-918,-825,-1258,-1258,-1190,-857,-2356,-2293,-2104,-1922,-29989,-29990,-29990]} 1. e4 c5 2. Bc4 e6 3. d3 a6 4. a3 b5 5. Ba2 Bb7 6. Nf3 {B20: Sicilian: Unusual White 2nd moves.} Nf6 {[#]} 7. Be3 $146 (7. e5 $11) ({Predecessor:} 7. Bg5 Nc6 8. Nc3 Be7 9. Qd2 d5 10. O-O-O Nd4 11. Nxd4 cxd4 12. Ne2 h6 13. Bxf6 Bxf6 {0-1 (24) Burrows,D (1655)-Ricketts,M (1817) ICCF email 2018}) 7... d5 $15 8. e5 {Black is slightly better.} Nfd7 9. d4 (9. c3 $15) 9... cxd4 $17 10. Bxd4 Nc6 11. Nc3 Nxd4 12. Qxd4 Bc5 13. Qg4 O-O 14. O-O Rc8 {[%cal Oc5a3]} 15. a4 b4 16. Ne2 Qc7 17. Qf4 {[#]} (17. Qg3 $17) 17... a5 (17... f6 $1 $19 {[%cal Rf6e5]} 18. exf6 Bd6 19. f7+ Rxf7) 18. Rfe1 (18. Rad1 $17 {might work better.}) 18... Ba7 (18... f6 $19 19. exf6 Qb6) 19. Bb3 Nc5 20. Ned4 Ba6 21. Rac1 Qd7 22. c3 $2 {This move loses the game for White.} (22. Rcd1 $17 {was necessary.}) 22... Nd3 $19 ({Inferior is} 22... Nxa4 23. Bxa4 Qxa4 24. Ra1 $11) 23. Qe3 Nxe1 ({Don't blunder} 23... Nxc1 $2 24. Rxc1 bxc3 25. bxc3 $19) 24. Qxe1 Bc4 25. Bxc4 dxc4 26. Nb5 Bc5 27. Qe2 Rfd8 {[%cal Bf8d8,Bd8d1,Bd1a1][%mdl 32]} 28. h3 Qd3 29. Qc2 (29. Kf1 $142) 29... Qxc2 30. Rxc2 Rd1+ 31. Kh2 b3 32. Re2 Rcd8 {To avoid Nd2} 33. Nc7 (33. Nd6 $142 Bxd6 34. exd6) 33... h6 34. g4 Ra1 35. Na6 Bb6 {[#] aiming for ...Rc1.} 36. g5 Ra8 37. Rd2 Rxa6 38. Rd6 Rf1 39. Kg2 Rxf2+ 40. Kg3 Rxb2 41. Rc6 Bf2+ 42. Kg4 {Weighted Error Value: White=0.99/Black=0.31} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.17"]
[Round "3.1"]
[White "Zia, Tahsin Tajwar"]
[Black "Mahin, Ahmed Shuvo"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "2283"]
[BlackElo "1813"]
[Annotator "TA"]
[PlyCount "35"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,35,14,4,11,2,7,22,15,6,51,4,41,23,23,-84,-76,-75,-73,-66,-74,-172,-180,-167,-168,-217]} 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qc2 b6 {E05: Open Catalan: 5 Nf3 Be7.} 8. Bg5 Nd5 (8... Ba6 {is more complex.} 9. Ne5 Nd5 10. Bxe7 Qxe7 11. Rd1 Rc8) 9. Bxe7 Qxe7 {The position is equal.} 10. Nbd2 Nd7 {[#]} (10... b5 $11) 11. a3 $146 (11. Nxc4 $14 Bb7 12. a3) ({Predecessor:} 11. Nxc4 c5 12. Rac1 Bb7 13. Rfd1 Rfd8 14. Qa4 N5f6 15. Nfe5 Bxg2 16. Kxg2 Nxe5 17. dxe5 {½-½ (52) Ringoir,T (2527)-Katz,A (2419) Charlotte 2018}) 11... c5 12. e4 (12. Qxc4 a5 $11) 12... N5f6 {[%cal Bd5f6,Bf6g4,Bg4e5][%mdl 32]} 13. Ng5 (13. Rfe1 $11 {keeps the balance.}) 13... Ng4 $17 ({Don't play} 13... cxd4 14. e5 d3 15. exf6 $1 {[%mdl 512]} Qxf6 16. Qc1 $18 (16. Qxc4 Qxg5 17. f4 Qa5 $16)) 14. Ngf3 cxd4 15. Nxd4 {[%cal Oe4e5]} Ba6 {[%cal Oc4c3] White must now prevent ...c3!} 16. h3 {[#]} (16. Nc6 $17 Qd6 17. e5 Ndxe5 18. Nb4 (18. Nxe5 Nxe5 19. Bxa8 Rxa8 $17)) 16... Nge5 $1 $19 ({Stronger than} 16... c3 17. hxg4 cxd2 18. Rfd1 $15) 17. Rfd1 Rac8 18. Kh2 {Weighted Error Value: White=0.31/Black=0.06 (flawless)} (18. a4 {keeps fighting.}) 1/2-1/2

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.17"]
[Round "3.2"]
[White "Sajidul, Haque"]
[Black "Manon, Reja Neer"]
[Result "0-1"]
[ECO "B03"]
[WhiteElo "1766"]
[BlackElo "2209"]
[Annotator "TA"]
[PlyCount "73"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,73,0,26,-27,-24,-18,-36,-21,-12,-61,-64,-57,-69,-68,-64,-133,-110,-131,-104,-152,-62,-137,-127,-183,-167,-166,-75,-74,-42,-58,-55,-46,-39,-77,-57,-117,-118,-206,-220,-350,-347,-472,-401,-366,-350,-570,-563,-584,-585,-1047,-1071,-1001,-1054,-1046,-993,-875]} 1. e4 {[%cal Be2e4,Be4e5][%mdl 32]} Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 cxd6 6. Nc3 g6 7. Bd3 Bg7 8. Nge2 Nc6 9. Be3 O-O 10. O-O Nb4 (10... e5 $5 {[%cal Re5d4]} 11. d5 Nb4 $11) 11. Ng3 {B03: Alekhine's Defence: Four Pawns Attack.} (11. b3 $142 $1) 11... d5 $11 12. c5 Nxd3 13. Qxd3 {Black is slightly better.} Nc4 14. Bc1 (14. b3 $11 {should be considered.} Nxe3 15. fxe3) 14... b6 $15 15. b3 Na5 16. Ba3 Nc6 {[#]} 17. Rfe1 $146 ({White should play} 17. Nge2 $15) ({Predecessor:} 17. Nce2 bxc5 18. Bxc5 a5 19. f4 Ba6 20. Qd2 Qd7 21. Rae1 Rfb8 22. f5 Nb4 23. Rf3 {1-0 (37) Grbic,B (2004)-Cvetkovic,N (2254) Belgrade 2015}) 17... Re8 $17 18. Nce2 h5 {[%cal Bh7h5,Bh5h4][%mdl 32]} 19. Rac1 (19. Rad1 $142) 19... Bd7 (19... e5 $17 {Strongly threatening ...h4.} 20. Bb2 h4) 20. b4 (20. h3 $15) 20... bxc5 21. dxc5 (21. Rxc5 $17 h4 22. b5) 21... h4 $19 22. Nf1 Bf5 (22... d4 $19 {and Black stays clearly on top. ...Rb8 is the strong threat.} 23. b5 Ne5) 23. Qa6 $17 Qc7 $36 {[%mdl 2048] Black has the initiative. Black is more active.} 24. Ne3 d4 25. Nxf5 gxf5 26. Red1 e5 27. b5 {[#]} ({White should try} 27. h3 $1 $15) 27... Nd8 $1 28. b6 (28. h3 $17) 28... Qc6 $19 {aiming for ...axb6.} 29. Qd3 (29. b7 $142 Rb8 30. Qd3 (30. Qxc6 $2 Nxc6 31. Kf1 Rxb7 $19)) 29... axb6 30. Qb3 bxc5 31. Bxc5 Qa6 {[%csl LRa2,LRe2]} 32. Rc2 {[#]} (32. Nxd4 {was worth a try.} exd4 33. Bxd4) 32... Ne6 {Black is clearly winning.} 33. Nc1 e4 {Inhibits Nd3.} 34. a3 d3 35. Rc4 Rac8 36. Qb4 Rb8 37. Qa4 {Weighted Error Value: White=0.67/Black=0.12 (very precise)} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.17"]
[Round "3.3"]
[White "Tahmidul, Haque"]
[Black "Sakline Mostafa, Sajid"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1756"]
[BlackElo "2089"]
[Annotator "TA"]
[PlyCount "127"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,127,51,51,35,43,35,35,27,17,62,67,66,62,64,62,72,66,78,64,75,27,39,39,34,35,39,37,53,64,64,64,64,64,123,99,132,137,129,122,138,133,143,141,138,129,139,133,130,0,0,0,116,99,105,85,84,0,101,0,76,72,192,0,0,0,165,98,222,117,310,247,383,372,1325,1362,1217,100,107,100,90,87,91,82,97,45,52,0,155,155,162,162,162,162,162,162,155,155,155,155,747,732,29985,29986,29986,29987,29987,29988]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nxc6 bxc6 7. e5 Nd5 8. Ne4 Qc7 9. f4 Qb6 10. c4 Bb4+ 11. Ke2 f5 12. exf6 $1 Nxf6 {[#] B45: Sicilian Four Knights.} 13. Be3 $1 {Chess con chili.} Qd8 14. Nd6+ Bxd6 {White is slightly better.} 15. Qxd6 Qe7 (15... Bb7 $11) 16. Bc5 $14 {[%csl Gc5][%cal Rd6e7] White is much more active. Black has bad knights.} Qxd6 17. Bxd6 Ne4 18. Ba3 d5 19. Ke3 {[#]} Nf6 $146 ({Predecessor:} 19... Bb7 20. Bd3 Nf6 21. h3 Nd7 22. Rhe1 Kf7 23. Rac1 g6 24. Kd2 Rac8 25. g4 Rhe8 26. cxd5 {½-½ (26) Kulich,F (1692)-Popzafirov,D (1851) Kouty nad Desnou 2021}) 20. h3 Ba6 21. g4 (21. Rc1 $16) 21... Bxc4 22. Bxc4 dxc4 23. Rac1 Nd5+ 24. Kf3 (24. Ke4 $5 {[%cal Rc1c4]}) 24... h5 25. g5 $1 g6 26. Rxc4 Kd7 $1 27. Rhc1 Rac8 (27... Rhc8 $1 $14) 28. Ra4 Rc7 29. Bc5 Rb7 30. Ra6 (30. Rxa7 $6 Rxa7 31. Bxa7 Ra8 $11) 30... Rc8 31. b3 (31. Rxa7 $6 Rxa7 32. Bxa7 Ra8 $11) 31... Nc7 32. Rd1+ (32. Rxa7 $6 Rxa7 33. Bxa7 Ra8 $11) 32... Nd5 33. Rd4 (33. Rxa7 $6 Rxa7 34. Bxa7 Ra8 $11) (33. Bxa7 $2 Ra8 34. Kg3 (34. f5 $2 exf5 35. Kg3 Raxa7 $19) 34... Rbxa7 $19) 33... e5 34. fxe5 Ke6 35. Bd6 (35. Rc4 $16) 35... Rf7+ $11 36. Kg3 Nc3 (36... Ne3 $11 {keeps the balance.} 37. Rf4 Nf1+ 38. Kf3 Nd2+ 39. Ke3 Nf1+ 40. Kf3 Nd2+ 41. Kg3 Nf1+ 42. Kf3) 37. Rc4 Ne2+ 38. Kg2 Nf4+ 39. Kg3 Ne2+ 40. Kg2 Nf4+ 41. Kh2 Ne2 (41... Nd5 $16 {is a better defense.}) 42. Kg2 $2 (42. Rcxc6 $6 Rxc6 43. Rxc6 Rf2+ 44. Kh1 Nd4 $16) (42. Raxc6 $6 Rf2+ 43. Kh1 Rxc6 44. Rxc6 Nd4 $16) ({White should play} 42. h4 $1 $18) 42... Nf4+ 43. Kh2 $2 (43. Kg3 $11 Ne2+) 43... Ne2 $1 $18 44. Bc5 {Inhibits Rf2+.} (44. Rcxc6 Rxc6 45. Rxc6 Rf2+ 46. Kh1 Nd4 $16) (44. Raxc6 Rf2+ 45. Kh1 Rxc6 46. Rxc6 Nd4 $16) (44. h4 $1 $18) 44... Kxe5 (44... Rf3 $16 {was called for.}) 45. Be3 (45. Bxa7 Nf4 46. Bd4+ Kd6) (45. Rxa7 $6 Rxa7 46. Bxa7 Ra8 $16) ({Better is} 45. Ra5 $18) 45... Rf3 $2 (45... Rd8 $16 46. h4 (46. Rxa7 Rxa7 47. Bxa7 Rd2 $11) (46. Bxa7 Rd2 $14) (46. Raxc6 Rf3 $16) (46. Rcxc6 Ke4 $11) 46... Nd4) 46. Rxa7 Re8 {To avoid Re7+} (46... Nf4 $142) 47. Ra5+ Kd6 $2 (47... c5) 48. Bc5+ Kd5 49. Be7+ $2 (49. Ba3+ $18 {has better winning chances.} Ke6 50. Re4+ Kd7 51. Ra7+ Kd8 52. Ra8+ Kc7 53. Rexe8 Rf2+ 54. Kh1 Ng3+ 55. Kg1) 49... Ke6 $16 {[#]} 50. Re4+ $1 Kf7 {...Rf2+ is the strong threat.} 51. Rxe2 Rxe7 52. Rxe7+ Kxe7 {[%mdl 4096] Endgame KR-KR} 53. Kg2 (53. Ra7+ $16 Ke6 54. Kg2) 53... Rc3 $14 54. b4 (54. Ra4 $14) 54... Ke6 $2 {[#]} ({Black should try} 54... Rc2+ $11 55. Kg1 Ke6) 55. Rc5 $1 $16 Rxc5 56. bxc5 {KP-KP} Kd5 57. Kf3 Kxc5 $18 {And now ...Kc4 would win. K3P-K3P} 58. Ke4 Kc4 {White must now prevent ...c5.} 59. Ke5 {aiming for Kf6.} c5 {Strongly threatening ...Kd3.} 60. Kf6 Kd5 $2 (60... Kb4 $16) 61. Kxg6 {White threatens Kf6 and mate.} Ke6 62. Kh7 {White mates.} (62. Kxh5 c4 63. g6 c3 $19) 62... c4 63. g6 {[%cal Bg5g6,Bg6g7][%mdl 32]} c3 64. g7 {Weighted Error Value: White=0.34/Black=0.38} 1-0

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.17"]
[Round "3.4"]
[White "Noshin, Anjum"]
[Black "Shadat, Kibria Ayaan"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2017"]
[BlackElo "1679"]
[Annotator "TA"]
[PlyCount "77"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 21,77,7,4,-61,0,-6,7,0,9,20,71,62,64,62,81,81,67,89,60,67,71,77,69,69,86,56,45,-153,0,-296,-277,-642,-640,-605,-226,-211,-182,-148,53,52,230,0,230,221,196,22,41,61,73,0,0,0,0,0,544,518,568,506]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc5 7. c3 d6 8. Re1 O-O 9. d4 Bb6 10. h3 h6 11. a4 Bb7 12. Na3 {C78: Ruy Lopez: Archangelsk and Möller Defences.} (12. dxe5 $11 Nxe5 13. Bc2) 12... Re8 (12... exd4 $15 13. cxd4 Re8 14. axb5 axb5) 13. d5 $11 Ne7 14. Be3 {The position is equal.} c6 (14... Bxe3 {keeps more tension.} 15. Rxe3 c6 16. dxc6 Bxc6 17. axb5 axb5 18. Qd3 Qb8) 15. dxc6 Bxc6 {[#]} (15... Nxc6 $11 {remains equal.} 16. axb5 axb5) 16. axb5 $146 {White is more active.} ({Predecessor:} 16. Bxb6 Qxb6 17. axb5 Bxb5 18. Nxb5 axb5 19. Rxa8 Rxa8 20. Qd3 Rd8 21. Rd1 Qc5 22. Re1 {½-½ (46) Terzi,A (2054)-Vaseptsov,M (2193) Satka 2011}) 16... axb5 17. Bxb6 Qxb6 18. Qxd6 Ng6 19. Bd5 Rac8 20. Bxc6 Rxc6 21. Qb4 Rb8 22. Rad1 Rc5 23. Nd2 Nf4 24. Nb3 $2 {[#]} (24. Nf1 $1 $14) 24... Rc6 $2 ({Better is} 24... N6h5 $1 $17 {[%cal Ob6g6][%mdl 512] Hoping for ...Qg6!} 25. Kh2 (25. Qxc5 Qg6 $17) 25... Rc6) 25. Nc1 $2 {[%mdl 8192]} (25. Nc2 $11) 25... N6h5 $1 $19 {...Rg6 is the strong threat.} 26. Re3 $2 (26. Qxb5 Qxb5 27. Nxb5 Rxb5 28. Rd2) 26... Rg6 27. g4 Nxh3+ $2 28. Rxh3 Rxg4+ 29. Kf1 Qg6 (29... Nf4 $1 $17 {[%cal Rf4h3]} 30. Rg3 Rd8 $1 31. Rxd8+ Qxd8) 30. Ne2 $14 ({Wrong is} 30. Nxb5 $2 Rg1+ 31. Ke2 Qg4+ 32. Rf3 Nf4+ 33. Kd2 Qxf3 34. Rxg1 Qxf2+ 35. Kd1 Rd8+ 36. Nd6 Qxg1+ $19) 30... Rb6 {Inhibits Qd6.} ({Black should try} 30... Rxe4 $14 31. Qd6 Qxd6 32. Rxd6 Rxe2 33. Rxh5 Rxb2) 31. Rd8+ $18 ({Not} 31. Nxb5 Rxe4 32. Rd6 Rxb4 33. Rxg6 fxg6 $17) 31... Kh7 32. Qf8 {[%csl Gd8][%cal Rf8g8]} (32. Nxb5 $2 Rxe4 33. Rd6 (33. Qf8 $2 Qg4 $19) 33... Rxb4 34. Rxg6 Kxg6 $19) 32... Qg5 {[#]} 33. Rd6 (33. Nc2 $1 $18 {[%cal Rc2e3]}) 33... Rxd6 $11 34. Qxd6 {Dancing on a razor blade.} Nf4 35. Nxf4 ({White should play} 35. Rg3 $16 {Black must now prevent Nxf4.} Nxe2 36. Kxe2 Rxe4+ 37. Re3 Rxe3+ 38. fxe3) 35... Rg1+ $1 36. Ke2 Qxf4 37. Qd3 Rg2 $2 {[%mdl 8192]} (37... Qc1 $11 {and Black stays safe.} 38. Kf3 Qf4+ 39. Ke2 Qc1) 38. Qf3 $18 Qg5 39. Qf5+ {Weighted Error Value: White=0.66/Black=0.78} 1-0

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.17"]
[Round "3.5"]
[White "Mohammad Shafiqul, Islam"]
[Black "Swarnavo Choudhury"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "1720"]
[BlackElo "1945"]
[Annotator "TA"]
[PlyCount "144"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,143,34,41,16,43,14,45,29,40,50,39,0,200,186,183,165,178,175,278,271,267,233,236,191,194,115,106,110,112,127,126,68,73,92,84,-11,-50,-12,-29,-79,-87,-166,-167,-175,-169,-160,-167,-197,-147,-389,-392,-386,-317,-479,-473,-451,-419,-620,-394,-481,-482,-480,-460,-511,-207,-211,-111,-142,-104,-166,-195,-385,-419,-360,-258,-393,-390,-433,-420,-421,-419,-685,-686,-645,-631,-875,-876,-820,-792,-1555,-1478,-1253,-1146,-1581,-1497,-6122,-5325,-29969,-29972,-2207,-2100,-7359,-6322,-29985,-29986,-29989,-29986,-29986,-29987,-29991,-29989,-29989,-29990,-29990,-29991,-29991,-29992,-29992,-29993,-29993,-29994,-29994,-29995,-29995,-29996,-29995,-29996,-29997,-29998,-29998,-29998,-29998,-29999,-29999]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Qf3 {7.g4 is setting a new trend. B48: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 without Be2.} Ne5 8. Qg3 Bd6 {[%cal Oe5d3] And now ...Nd3+! would win.} 9. f4 {White is slightly better.} Ng6 $1 {[%cal Rd6f4]} 10. e5 Bb4 11. O-O-O {[#] Strongly threatening f5.} N8e7 $146 {Inhibits f5.} (11... Bxc3 $11 {and Black has nothing to worry.} 12. bxc3 N8e7) ({Predecessor:} 11... Bxc3 12. bxc3 N8e7 13. Bd3 b5 14. Rhf1 Nd5 15. Bd2 Bb7 16. Rde1 Nge7 17. f5 O-O-O 18. fxe6 fxe6 {1-0 (33) So,W (2772)-Artemiev,V (2704) chess24.com INT 2021}) 12. Ne4 $18 {Hoping for a3.} Nd5 13. h4 h5 14. Kb1 b6 (14... O-O {might work better.}) 15. Bc1 Bb7 {[%cal Od5f4]} 16. Bd3 {[%cal Oe4d6]} Nde7 17. c3 Bc5 18. Nc2 ({White should play} 18. Nf3 $18) 18... Nf5 $16 {Inhibits Nd6+.} 19. Nd6+ Bxd6 20. Bxf5 exf5 21. exd6 (21. Rxd6 $16 Be4 22. Qf2) 21... Qc6 22. Rhe1+ Kf8 {[#]} 23. Qg5 (23. Re2 $1 $16) 23... Qxg2 $11 24. Qxf5 Qg4 25. Nd4 (25. Qd3 $1 $11 {remains equal.}) 25... Bf3 $17 {[%cal Bb7f3,Bf3g4,Bg4f5][%mdl 32]} 26. Rd3 {[#]} (26. Rd2 $17) 26... Qxf5 $1 $19 27. Nxf5 Bg4 $36 {[%mdl 2048] Black is in control.} 28. Ne7 Nxh4 {[%cal Bg6h4,Bh4g2,Bg2f4,Bf4e6][%mdl 32]} 29. Be3 Re8 ({Black should try} 29... b5 $19 30. Bd4 Bf5 31. Nxf5 Nxf5) 30. Bxb6 $2 (30. Rh1 $17 Nf5 31. Bxb6) 30... Bf5 31. Kc2 {[%cal Oe7f5]} Ng2 32. Rg1 (32. Rf1 $142 Bxd3+ 33. Kxd3) 32... Bxd3+ 33. Kxd3 Nxf4+ 34. Kd2 (34. Ke4 $142 Ng6 35. Bd4) 34... Ne6 {aiming for ...Rb8.} 35. c4 h4 36. Rf1 Rh5 37. Bf2 g6 (37... Rb8 $142 38. Kc2 h3) 38. Bxh4 Kg7 (38... g5 $19 39. Bg3 g4) 39. Bf6+ $17 Kh7 40. Rf2 (40. b4 $17) 40... Nc5 $19 {Threatens to win with ...Ne4+.} 41. Kc2 $2 (41. Re2) 41... Ne4 $1 {[%csl LRd6,LRf2]} 42. Rf4 Nxd6 43. b4 (43. Rd4 $142 Nc8 44. Rxd7) 43... Nf5 44. Nd5 Ne3+ 45. Nxe3 Rxe3 {[%mdl 4096] Endgame KRR-KRB} 46. Bd4 (46. Rf2 $142 Re4 47. Kb3) 46... Rh2+ 47. Kd1 Rd3+ 48. Ke1 f5 49. Bf2 Ra3 50. Rd4 Rh1+ 51. Ke2 Rxa2+ 52. Kf3 Rf1 53. Rh4+ Kg7 54. Rh2 g5 55. Ke3 f4+ 56. Kf3 g4+ 57. Kxg4 Raxf2 {Black mates.} 58. Rh5 Rg2+ 59. Kf5 f3 60. Rh4 Rd1 61. Rf4 f2 62. b5 axb5 63. cxb5 f1=Q 64. Rxf1 Rxf1+ 65. Ke5 Rd1 66. b6 Re2+ 67. Kf4 Rf1+ 68. Kg3 Re6 69. b7 Rg6+ 70. Kh2 Rf8 {[%cal Rf8h8]} 71. b8=Q Rxb8 {[%cal Rb8h8]} 72. Kh1 Rh8# {Quite a comeback for Black.  Weighted Error Value: White=0.56/Black=0.34} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.17"]
[Round "3.6"]
[White "Mohammed, Sagar Ullah"]
[Black "Md Azbahauddin, Khan"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1924"]
[BlackElo "1647"]
[Annotator "TA"]
[PlyCount "53"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,53,-8,-30,-36,-12,-6,-16,0,-28,0,-31,0,0,7,-22,33,0,57,5,64,62,55,68,85,100,243,62,625,625,664,646,721,713,818,831,875,907,895,890,880,868,1032,1041,1785,1501]} 1. e4 {[%cal Be2e4,Be4d5][%mdl 32]} d5 2. exd5 Nf6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 c6 6. dxc6 Nxc6 {B01: Scandinavian Defence.} 7. Nc3 e5 {[%mdl 1024] Black has compensation.} 8. Nge2 Bc5 {The position is equal.} 9. a3 O-O 10. O-O Rad8 11. b4 Bd4 {[#]} 12. Qc2 $146 ({Predecessor:} 12. Rb1 e4 13. Bb2 Be5 14. Ng3 Bxg3 15. fxg3 Qd4+ 16. Kh1 Qxc4 17. Rxf6 gxf6 18. Qg4+ {½-½ (29) Gauthier,L (1828)-Letertre,A (1890) Angers 2010}) 12... Qe6 (12... e4 $11) 13. c5 Nd5 (13... e4 $11) 14. Bb2 (14. b5 $1 $14 Nce7 15. Nxd4 exd4 16. Ne4) 14... Rfe8 (14... Nf4 $1 $11) 15. Nxd5 Qxd5 16. Nxd4 exd4 17. Rae1 Qg5 {[#]} (17... Rc8 $16) 18. Qc1 $2 (18. Rxe8+ $1 $18 Rxe8 19. b5) 18... Ne5 $2 {[%mdl 8192]} (18... Qd5 $14) 19. f4 $18 {[%cal Bf2f4,Bf4e5][%mdl 32] White is clearly winning.} Qh5 {...Nd3 is the strong threat.} 20. fxe5 Re6 21. d3 Rh6 22. Qf4 g5 23. Qg3 {[%cal Oe5e6] [#] And now e6! would win.} Re6 24. Rf5 {[%cal Bf1f5,Bf5f6,Bf6d6][%mdl 32]} h6 25. Rf6 Re7 26. Rd6 Red7 27. Bxd4 {Weighted Error Value: White=0.30/Black=0.92} 1-0

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.17"]
[Round "3.7"]
[White "Anower, Hossain"]
[Black "Dibya, Das Gupta"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1634"]
[BlackElo "1923"]
[Annotator "TA"]
[PlyCount "54"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,54,0,0,31,56,39,33,13,5,23,15,60,0,0,-33,-35,-45,-35,-42,-43,-88,-80,-85,-87,-99,-59,-118,-122,-155,-123,-184,-197,-274,-257,-478,-460,-514,-490,-525,-491]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Bd3 b5 7. a3 Bb7 8. O-O Nf6 9. Kh1 d5 {B43: Sicilian: Kan Variation: 5 Nc3.} 10. exd5 Nxd5 11. Nxd5 Bxd5 {White is slightly better.} 12. Qg4 {[%cal Od4f5]} Nd7 13. Bf4 {[#]} Nf6 $146 {[#]} ({Predecessor:} 13... Qb6 14. Nf3 Nf6 15. Qh3 Be7 16. Rae1 Bxf3 17. gxf3 Rd8 18. Rg1 Bf8 19. Bf5 Be7 {1-0 (39) Israt,J (1630)-Sultana,S (1975) Dhaka 2022}) 14. Qg3 (14. Qxe6+ $1 $14 fxe6 15. Bxc7) 14... Qb7 $11 {Hoping for ...Nh5.} 15. f3 Nh5 $1 16. Qh4 Nxf4 17. Qxf4 Be7 18. Rae1 (18. a4 $15 {is more appropriate.} b4 19. c4 bxc3 20. bxc3) 18... O-O 19. Re5 h6 {...Bd6 is the strong threat.} 20. Rh5 {[%cal Oh5h6]} Qb8 21. Qg4 (21. Qe3 $15 Bd6 22. Be4) 21... f5 $17 22. Qh3 Qe5 23. c3 (23. Ne2 $17) 23... Qe3 $19 24. f4 (24. Rd1 {was necessary.}) 24... Qd2 $40 {[%mdl 128] Black wants a kill.} 25. Bc2 $2 (25. Qg3 Qxb2 26. Be2) 25... Bf6 {This bishop pair is nice. Black is clearly winning.} 26. Rd1 Qf2 {[#] White must now prevent ...Bxd4.} ({But not} 26... Qxf4 $2 27. Qg3 Qxg3 28. hxg3 $19) 27. Qg3 Bxd4 {Weighted Error Value: White=0.44/Black=0.11 (very precise)} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.17"]
[Round "3.8"]
[White "Md, Azmaeen Parvez Sayor"]
[Black "Amartya, Barua"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "1920"]
[BlackElo "1114"]
[Annotator "TA"]
[PlyCount "129"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,129,21,24,2,60,49,56,35,54,53,58,54,68,51,87,11,11,11,50,38,89,23,39,37,71,0,0,0,88,69,109,0,112,124,198,195,184,179,189,191,195,115,109,91,91,80,71,74,70,62,130,129,453,441,436,249,232,141,176,180,177,143,169,112,237,27,30,45,56,43,51,56,267,231,235,91,91,78,78,77,78,77,91,91,91,91,91,91,98,91,135,0,91,91,91,91,91,91,91,91,91,79,91,91,91,17,16,8,8,8,8,8,8,8,8,-20]} 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. d3 Nf6 7. Bd2 Nbd7 {7...Qb6 is more advanced technology.} 8. g4 h6 9. Qg3 {B11: Caro-Kann: Two Knights Variation.} Nb6 (9... Bb4 $11) 10. e5 Nfd7 {[#]} 11. f4 $146 {White is slightly better.} ({Predecessor:} 11. O-O-O Qc7 12. f4 O-O-O 13. Bg2 c5 14. Rde1 Kb8 15. Rhf1 c4 16. d4 Qc6 17. f5 {1-0 (39) Serefidou,D (1971)-Poulopoulou,E (1485) Achaia 2013}) 11... Be7 {Strongly threatening ...Bh4.} 12. h4 Qc7 13. Bg2 a6 14. a4 a5 15. g5 ({Better is} 15. d4 $16) 15... hxg5 $11 16. hxg5 O-O-O 17. Ne2 Na8 (17... Bb4 $14) 18. Qf2 (18. O-O-O $16) 18... Bc5 19. d4 Be7 20. f5 (20. O-O-O $16) 20... Rxh1+ 21. Bxh1 Rh8 (21... Qb6 $1 $11) 22. Bg2 Qb6 23. b3 ({White should try} 23. fxe6 $16 fxe6 24. Qf7) 23... exf5 (23... Nc7 $1 $11) 24. Qxf5 $16 Rf8 (24... Qd8 $16 {was necessary.} 25. O-O-O (25. Qxf7 Bxg5 26. Qg6 Bxd2+ 27. Kxd2 Nf8 $16) 25... Nc7) 25. Bh3 $18 Qd8 26. c4 Nc7 27. Bxa5 {Hoping for cxd5.} Bxg5 28. cxd5 (28. Kf1 $18) 28... Bh4+ $16 29. Kd1 {[%cal Be1d1,Bd1d2,Bd2d3][%mdl 32]} Nxd5 30. Bxd8 {Chess con chili.} Ne3+ 31. Kd2 Nxf5 32. Ba5 $36 {[%mdl 2048] Black is under pressure.} Bg5+ (32... Ne7 $14) 33. Kd3 Ne3 {[%mdl 8192]} (33... g6 $16 {is tougher.}) 34. Bd2 $18 Rh8 35. Rh1 ({But not} 35. Bxd7+ Kxd7 36. Rg1 (36. Bxe3 Rh3 $11) 36... Rh3 37. Rxg5 Nf1+ 38. Kc2 g6 $18) (35. Ng1 $142) 35... Ng4 36. Be1 {Inhibits Nf2+.} ({And not} 36. Bxg5 Nf2+ 37. Ke3 Nxh1 $15) 36... Kd8 37. Ng3 Nh6 38. Ne4 Be7 {[%cal Oh6f5]} 39. Rg1 (39. Ba5+ $18 b6 40. Bxd7) 39... g6 (39... f5 $16 {is a better defense.}) 40. e6 $2 (40. Bxd7 $18 Kxd7 41. Rh1) 40... fxe6 41. Bxe6 Nf8 $1 42. Ba5+ Ke8 43. Bc8 {A strong pair of Bishops.} b5 $2 (43... Nf5 $14) 44. axb5 cxb5 {[#]} 45. Re1 ({Don't do} 45. Ba6 $6 Nf5) (45. Rh1 $1 $18) 45... Nf5 $16 46. Bxf5 gxf5 47. Nd6+ Kd7 48. Nxf5 {White is much more active.} Rh3+ 49. Re3 Rxe3+ 50. Kxe3 {[%mdl 4096] Endgame KBN-KBN} Bg5+ 51. Ke4 Ne6 52. Bb4 Bf6 (52... Nc7 $142 53. Ba3 Bd2) 53. Ba5 (53. d5 $16 Ng5+ 54. Kd3) 53... Ng5+ (53... Bg5 $11 {remains equal.}) 54. Kd5 Ne6 55. Bd2 Bd8 56. Ng3 Bb6 57. Be3 Nc7+ 58. Ke5 Na6 {White must now prevent ...Bc7+.} 59. Ne4 Nb4 {[#]} 60. Nc3 (60. Nf6+ $1 $16 Kd8 61. Nd5 Nxd5 62. Kxd5) 60... Nc2 $1 $11 {The position is equal.} 61. Nd5 Ba7 62. Bf2 Na1 63. Nc3 Nxb3 64. Nxb5 Bxd4+ 65. Ke4 {Black escapes into a draw.  Weighted Error Value: White=0.34/Black=0.33} 1/2-1/2

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.18"]
[Round "4.1"]
[White "Manon, Reja Neer"]
[Black "Mohammed, Sagar Ullah"]
[Result "1-0"]
[ECO "C64"]
[WhiteElo "2209"]
[BlackElo "1924"]
[Annotator "TA"]
[PlyCount "99"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,99,69,47,206,208,190,185,202,190,257,242,237,250,252,249,379,-232,-144,-1531,375,375,829,835,827,406,447,423,400,401,443,428,431,397,397,391,364,375,408,404,456,452,580,566,643,652,649,654,644,644,677,670,676,558,696,647,759,701,762,761,911,902,939,881,838,622,1198,1203,1451,1403,1485,1358,1350,1258,29981,1055,29993,3681,1481,1440,1372,1032,973,893,1201,1130,5405,1006,904,887]} 1. e4 e5 2. Nf3 Nc6 3. Bb5 {[%cal Bf1b5,Bb5a4,Ba4b3][%mdl 32]} a6 4. Ba4 Bc5 5. O-O Nge7 6. c3 b5 7. Bb3 d6 $2 {C64: Ruy Lopez: Classical Defence (3...Bc5) except 4 0-0 Nf6.} (7... O-O $1 $14) 8. d4 exd4 9. cxd4 {Ng5 is the strong threat.} Bb6 {White is clearly better.} 10. Ng5 $1 d5 (10... Rf8 {was called for.}) 11. exd5 $1 $18 (11. Qh5 g6 12. Qh6 (12. Qf3 O-O $11) 12... Bxd4 $14) 11... Nxd4 12. d6 $1 (12. Qh5 g6 13. Qh4 Nef5 14. Qe4+ Kf8 $15) 12... Nxb3 13. Qxb3 (13. dxe7 $2 Qxd1 14. Rxd1 Nxa1 $19) 13... Qxd6 {[#]} (13... O-O $142) 14. Qc3 $146 {[%mdl 8192]} ({Don't play} 14. Nxf7 Qf6 $18) (14. Qxf7+ $18 Kd7 15. Qf3 (15. Bf4 Qf6 $14)) ({Predecessor:} 14. Qxf7+ Kd8 15. Qf3 Be6 16. Qxa8+ Nc8 17. Bf4 Qxf4 18. Nxe6+ {1-0 (18) Perez Ponsa,F (2229)-Flores Jimenez,J Medellin 2007}) 14... f6 15. Qxf6 {[%mdl 8192]} (15. Ne4 $17 Qd5 16. Qf3) 15... Kd7 $4 {[%mdl 8192] [#]} (15... gxf6 $19 {avoids the disaster.} 16. Ne4 Qe6) 16. Qf3 $1 {And now Rd1 would win.} Rb8 $2 (16... Bb7 17. Qxb7 Qd5 18. Qxd5+ Nxd5) 17. Rd1 Bd4 18. Qg4+ (18. Ne4 $142 Qg6 19. Rxd4+ Ke8 20. Bg5) 18... Kc6 19. Qxd4 Qxd4 20. Rxd4 Nf5 21. Rd1 Re8 22. Kf1 h6 23. Nf3 Be6 24. b3 {Prevents Bc4+.} Kb7 25. Bb2 g5 26. Nc3 c5 27. Ne4 Bc4+ 28. bxc4 Rxe4 29. cxb5 axb5 30. Rd5 {[%csl LRc5,LRf5]} Rf8 31. Rxc5 Kb6 32. Re5 Rc4 33. Rc1 Ra4 34. a3 g4 35. Nd2 g3 36. hxg3 Nxg3+ 37. Kg1 Nf5 38. Re4 Raa8 39. g4 Rg8 40. Kh2 Nh4 41. Kg3 Nf5+ 42. Kh3 Ng7 43. Re7 (43. Bd4+ $142 Ka6 44. Re7 b4 45. axb4 Rgb8 46. Bxg7 Rd8 47. Ne4 Kb6 48. Kg2) 43... Ne8 44. Re6+ (44. Bd4+ $142 Ka6 {[#]} 45. Rc8 $3 {[%mdl 512]} Nf6 46. Rcc7 Nd7 47. Rexd7 Rg7 48. Rxg7 b4 49. a4 Ka5 50. Ra7+ Rxa7 51. Rxa7#) 44... Kb7 {White is clearly winning.} 45. Rxh6 Rd8 46. Nf3 Rf8 47. Rc3 Nf6 48. Rb3 {[%csl LRb5,LRf6]} Ne4 49. Kg2 Rd5 50. Rh5 {Weighted Error Value: White=0.83/Black=0.84} 1-0

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.18"]
[Round "4.2"]
[White "Dibya, Das Gupta"]
[Black "Noshin, Anjum"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "1923"]
[BlackElo "2017"]
[Annotator "TA"]
[PlyCount "110"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,110,10,-1,-5,-15,-13,-26,-17,-43,-27,-52,-39,-50,-50,-91,-103,-108,-76,-88,-50,-54,-24,-40,-7,-139,-141,-141,-139,-145,-102,-183,-183,-183,-153,-180,-182,-173,-133,-126,-91,-72,-80,-209,-86,-80,-62,-104,-84,-91,-56,-62,-31,-53,-53,-175,-93,-89,-89,-100,-65,-99,-61,-96,-112,-103,-105,-135,-111,-719,-719,-712,-679,-681,-601,-777,-672,-814,-803,-771,-764,-5531,-5318,-29957,-29949,-29963,-29949,-29973,-29972,-29979,-29980,-29987,-29981,-29988,-29975,-29975,-29975,-29996,-29997]} 1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 e6 5. c4 c6 6. O-O h6 7. Nc3 Be7 8. Ne5 Nbd7 {D11: Slav Defence: 3 Nf3 sidelines and 3...Nf6 4 e3 Bg4.} 9. cxd5 exd5 10. a3 O-O {Black has an edge.} 11. b4 {[#]} a6 $146 ({Predecessor:} 11... Bd6 12. Nxd7 Qxd7 13. f3 Rfe8 14. Re1 Re7 15. e4 dxe4 16. fxe4 Rae8 17. e5 Bc7 {½-½ (44) Hamza,A (1880)-Asiema,I Maputo 2011}) 12. Bb2 Re8 13. Nd3 Nb6 14. Nc5 (14. Ne5 $15) 14... Nc4 $17 15. Bc1 b6 16. Nb3 Nd6 {Black is more active.} 17. Bf4 Nfe4 18. Rc1 Rc8 {Threatening ...Nxc3.} 19. Nd2 (19. Nxe4 $11 {remains equal.} Nxe4 20. e3) 19... Nxc3 20. Rxc3 Nb5 {[%csl LRc3,LRd4]} 21. Rc1 Nxd4 (21... Nxa3 $142 22. Qa4 Nb5) 22. Be3 (22. Be5 $17 {is a better defense.} Nb5 23. a4) 22... Bf6 23. a4 Qd6 24. Nb3 Nxb3 25. Qxb3 {[#]} d4 $1 26. Bf4 Qe6 27. Qxe6 Rxe6 28. e4 (28. Rfe1 $17 {only move.}) 28... dxe3 (28... Bxe4 $19 {and Black stays clearly on top. Strongly threatening ...g5.} 29. Bh3 Bf3) 29. Bxe3 Bb2 30. Rb1 Bxb1 31. Rxb1 Bc3 {And now ...Rb8 would win.} 32. Bh3 Rxe3 33. fxe3 $15 {[%mdl 4096] Endgame KRB-KRB} Rc7 34. b5 (34. Bg2 $15) 34... axb5 ({Black should try} 34... cxb5 $19 35. axb5 a5) 35. axb5 $17 c5 36. Rd1 g6 37. Rd6 Ba5 38. Rc6 {[#]} Rxc6 39. bxc6 {Black must now prevent c7. KB-KB} b5 {[%cal Bb6b5,Bb5b4,Bb4b3][%mdl 32]} 40. Kf1 Kf8 41. Bd7 $2 {[%mdl 8192]} (41. Bc8 $17) 41... Ke7 $19 42. Ke2 f6 43. Kd3 c4+ {[%cal Bc5c4,Bc4c3][%mdl 32]} 44. Kc2 b4 45. Bh3 Kd6 46. Bf1 Kc5 47. h4 b3+ 48. Kb1 c3 {Black mates.} 49. Bd3 g5 50. Bf5 Bc7 51. Be6 Kb4 52. hxg5 hxg5 53. g4 Be5 54. Bf5 c2+ 55. Kc1 Kc3 {Weighted Error Value: White=0.72/Black=0.15 (very precise)} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.18"]
[Round "4.3"]
[White "Swarnavo Choudhury"]
[Black "Tahmidul, Haque"]
[Result "1-0"]
[ECO "B49"]
[WhiteElo "1945"]
[BlackElo "1756"]
[Annotator "TA"]
[PlyCount "103"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 25,103,54,39,0,0,0,69,69,63,71,106,87,89,75,118,119,120,120,120,0,120,103,127,110,95,77,104,52,41,45,63,63,77,61,102,97,130,134,418,410,423,418,403,405,413,404,402,356,382,341,470,471,455,463,448,443,426,408,564,564,634,616,960,744,1166,511,970,848,848,848,1725,1652,29977,29978,29978,29973,29980,29980,29992,29993]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be2 Nf6 8. O-O Bb4 9. Na4 Be7 10. Nxc6 bxc6 11. Nb6 Rb8 12. Nxc8 Qxc8 13. e5 Nd5 14. Bd4 {B49: Sicilian: Taimanov: 5 Nc3 Qc7 6 Be3 a6 7 Be2.} (14. Bc1 $5 {[%cal Rc2c4]}) 14... c5 15. c4 Nf4 ({Better is} 15... cxd4 $11 16. cxd5 Qc5) 16. Bc3 $1 $14 {White is slightly better.} ({But not} 16. Be3 Ng6 $11) 16... Nxe2+ 17. Qxe2 {[#]} h5 $146 ({Predecessor:} 17... O-O 18. Rad1 f5 19. Rd3 Rf7 20. Rfd1 Bf8 21. h4 Qc6 22. h5 Rb7 23. R1d2 Ra7 {1-0 (42) Rodshtein,T (2243)-Serrano Salvador,E (2242) Czech Republic 2018}) 18. f4 g6 19. Rad1 Qc6 (19... a5 $142) 20. Rf3 $16 Rg8 21. Rfd3 Rb7 22. Rf3 Rb8 $1 23. Rh3 Rb7 24. Rhd3 Ra7 25. R1d2 (25. Ba5 {looks sharper.} Qa4 26. Ra3 Qc6 27. Qd2 Rb7 28. Rd3) 25... Rb7 {[%cal Oa6a5]} 26. Qf3 ({White should play} 26. b3 $16) 26... Qxf3 $14 27. Rxf3 Kd8 28. g3 Kc7 29. Rfd3 Kc6 (29... Kd8 $14 {was preferrable.}) 30. Ba5 $16 {[%cal Od3d6] [#] Rd6+! would kill now.} Ra7 31. Rb3 {[%cal Bd3b3,Bb3b6,Bb6c6][%mdl 32] And now Rb6+ would win. White is more active.} d5 $2 {[%mdl 8192] Black cannot hold the game after this.} (31... d6 $16 32. Rb6+ Kd7) 32. Rb6+ $18 ({Resist} 32. cxd5+ Kd7 33. Rb6 exd5 34. Rxd5+ Kc8 $18) 32... Kd7 33. cxd5 exd5 34. Rxd5+ Kc8 35. b3 h4 36. Rc6+ Kb8 37. Bb6 Kb7 38. Rc7+ Kxb6 39. Rxa7 Kxa7 {[%mdl 4096] Endgame KRB-KR} 40. Rd7+ Kb6 {[%cal Oc5c4] [#] aiming for ...c4!} 41. Rxe7 hxg3 42. Rxf7 gxh2+ 43. Kxh2 {KR-KR} Kb5 44. Kg3 Kb4 45. Kf3 (45. Rb7+ $142 Kc3 46. e6) 45... Ka3 (45... c4 $142 46. Rb7+ Kc3) 46. Ke4 Kxa2 47. Rb7 {Hoping for e6.} a5 48. e6 g5 49. f5 {[%cal Bf4f5,Bf5f6][%mdl 32] White mates.} g4 50. f6 g3 51. Rg7 g2 52. Rxg8 {Weighted Error Value: White=0.22 (precise) /Black=0.56} 1-0

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.18"]
[Round "4.4"]
[White "Mortuza Mahathir, Islam"]
[Black "Zia, Tahsin Tajwar"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1877"]
[BlackElo "2283"]
[Annotator "TA"]
[PlyCount "94"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,94,-4,-8,0,-43,-38,-53,-31,-58,-29,-26,-20,-24,-36,-38,-28,-28,0,-14,27,0,4,-36,-19,-72,-33,-71,-79,-102,-112,-115,-97,-152,-88,-155,-112,-116,-111,-101,-102,-125,-102,-112,-113,-137,-137,-120,-100,-96,-96,-248,-253,-247,-85,-92,-85,-96,-85,-85,-62,-62,-62,-62,-62,-70,-27,-926,-875,-770,-627,-433,-390,-72,-72,-72,-72,-29975,-29976,-29976,-16,-29981,-29982,-29982,-29983]} 1. d4 d5 2. Nf3 {[%cal Bg1f3,Bf3d4,Bd4b3,Bb3d2,Bd2e4][%mdl 32]} Nf6 3. g3 c5 4. Bg2 cxd4 5. O-O h6 6. Nxd4 e5 7. Nb3 {[%cal Oc2c4]} a5 {[%cal Ba7a5,Ba5a4][%mdl 32] [#] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} 8. c4 $146 (8. a4 $11 {feels stronger.}) ({Predecessor:} 8. a4 Nc6 9. Nc3 Be6 10. f4 exf4 11. Bxf4 Be7 12. Nb5 Rc8 13. N5d4 Bd7 14. Qd2 O-O 15. c3 {0-1 (32) Thomzik,D-Goehring,D freechess.de 2018}) 8... a4 $15 ({Much less strong is} 8... dxc4 9. Qxd8+ Kxd8 10. N3d2 $11) 9. N3d2 d4 {Black is slightly better.} 10. Ne4 Nc6 11. e3 Be6 12. exd4 exd4 ({Don't play} 12... Bxc4 13. Nxf6+ gxf6 14. Bxc6+ bxc6 15. Re1 $14) 13. Nxf6+ Qxf6 14. Nd2 Bb4 (14... Be7 $5 {[%cal Re8g8]}) 15. Ne4 Qd8 (15... Qg6 $142) 16. Bd2 (16. c5 {feels hotter.} O-O 17. a3 Ba5 18. Nd6 Bc7 19. Bf4) 16... Bxd2 17. Nxd2 O-O 18. b3 (18. Re1 $11) 18... Qa5 19. h3 Rfd8 20. Re1 {[#]} d3 $1 21. Bxc6 bxc6 22. Kg2 (22. h4 $142) 22... Qf5 {Black is much more active.} ({Black should play} 22... c5 23. Rb1 Bd7) 23. Qf3 (23. Qg4 $142) 23... Qxf3+ (23... Qxh3+ $142 24. Kg1 c5) 24. Kxf3 $17 Bxh3 25. b4 h5 26. Ke3 Bf5 27. f3 a3 28. Kf2 Ra4 29. Rab1 Be6 30. Rb3 c5 (30... g6 {seems wilder.} 31. Re3 Kg7 32. Rexd3 Rxd3 33. Rxd3 Rxb4 34. Rxa3 Bxc4 35. Nxc4 Rxc4 36. Ra5 Rc2+) 31. Re3 $2 (31. bxc5 $17 Bxc4 32. Rc3 Bxa2 33. Ra1) 31... Rxb4 $19 32. Rxa3 Bxc4 (32... Rb2 $19 {is more deadly.} 33. Ke1 {[#]} Bxc4 $1 {[%mdl 512]} 34. Nxc4 d2+ 35. Nxd2 Rdxd2) 33. Nxc4 $17 Rxc4 34. Raxd3 Rxd3 (34... Ra8 {is interesting.} 35. Ra3 Rc2+ 36. Kf1 Rb8 37. Re2 Rc1+) 35. Rxd3 $19 {[%mdl 4096] Endgame KR-KR} Rc2+ 36. Ke3 Rxa2 {Strongly threatening ...Rc2.} 37. Rd5 {[%csl LRc5,LRh5]} Ra3+ 38. Ke2 h4 ({Black should try} 38... g6 $15 39. Rxc5 Rb3 40. Rc8+ Kg7) 39. Rxc5 $2 {[%mdl 8192]} (39. gxh4 $11 Rc3 40. Rd8+ Kh7 41. h5) 39... hxg3 40. Rg5 Ra2+ 41. Ke3 g2 {Hoping for ...f6.} 42. f4 g6 43. Kf3 Kg7 {( -> ...Kh6)} 44. Rxg2 $2 {[%mdl 8192]} (44. Rg4 $17 Rb2 45. Ke3) 44... Rxg2 45. Kxg2 Kf6 $2 (45... Kh6 {mates} 46. Kg3 Kh5 47. Kh3 g5 48. fxg5 Kxg5 49. Kg3 f6 50. Kf3 Kf5 51. Kg3 Ke4 52. Kf2 Kf4 53. Ke2 Kg3 54. Kd2 f5 55. Ke2 f4 56. Kf1 Kf3 57. Ke1 Kg2 58. Kd1 f3 59. Kc2 f2 60. Kc3 f1=Q 61. Kb4 Kf3 62. Kc5 Ke4 63. Kc6 Kd4 64. Kd7 Kd5 65. Kc7 Kc5 66. Kc8 Qf7 67. Kd8 Kc6 68. Kc8 Qg8#) 46. Kf2 $2 {[%mdl 8192]} (46. Kg3 $11 Kf5 47. Kf3 f6 48. Kg3 Ke4 49. Kg4 f5+ 50. Kg3 Ke3 51. Kg2 Kxf4 52. Kf2 Ke4 53. Kg3 f4+ 54. Kg2 Ke3 55. Kf1 f3 56. Ke1 g5 57. Kf1 g4 58. Ke1 g3 59. Kf1 g2+ 60. Kg1 Ke2 61. Kh2 Kf2 62. Kh3 g1=Q 63. Kh4 Qg6 64. Kh3 Qh5#) 46... Kf5 47. Kf3 f6 {Weighted Error Value: White=0.69/Black=0.37} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.18"]
[Round "4.5"]
[White "Sajib, Das"]
[Black "Subrota, Biswas"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1816"]
[BlackElo "2202"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 15,91,-25,-4,-20,-28,-140,-150,-184,-191,-183,-133,-140,-142,-170,-167,-174,-158,-171,-161,-190,-173,-189,-150,-123,-125,-218,-214,-380,-374,-429,-421,-502,-490,-689,-677,-665,-639,-713,-723,-759,-752,-753,-738,-729,-721,-689,-681,-656,-654,-876,-871,-867,-866,-29977,-29978,-29978,-29979,-29980,-2479,-5925,-5805,-3162,-2689,-6022,-5697,-5933,-5917,-5237,-5106,-2997,-2862,-5926,-5562,-5137,-5037,-29973,-29958,-6427]} 1. d4 Nf6 2. Nf3 c5 {[%cal Bc7c5,Bc5c4][%mdl 32]} 3. c3 d5 4. Bf4 Nc6 5. e3 Qb6 6. Qb3 c4 7. Qxb6 axb6 8. Na3 Bf5 9. Nb5 {Strongly threatening Nc7+. D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} Ra5 10. Na3 (10. a4 $1 $11) 10... e6 $17 {Black is more active.} 11. Nxc4 {Black is clearly better.} dxc4 12. Bxc4 {[#]} Nd5 $146 ({Black should try} 12... b5 $19 13. Bb3 Be7) ({Predecessor:} 12... Be7 13. Nd2 O-O 14. Ke2 Ne4 15. Nb3 Ra4 16. Bb5 Raa8 17. f3 Nd6 18. Bxd6 Bxd6 {1-0 (41) Vujnovic,P (2110)-Muha,M (1621) Zagreb 2018}) 13. Bg3 b5 14. Bb3 Nf6 15. Nd2 Ra8 16. f3 Bd3 17. h4 Na5 18. Kf2 Nc4 19. Bxc4 bxc4 20. e4 (20. b3 $17) 20... b5 $19 21. b4 $2 (21. h5 {keeps fighting.}) 21... Ra3 22. Rhc1 Be7 23. Ke3 Nh5 {[%cal Bf6h5,Bh5f4,Bf4d3][%mdl 32]} 24. Be1 (24. Be5 $142 f6 25. Bc7) 24... g5 25. g4 Nf4 26. h5 Kd7 {...Rha8 is the strong threat.} 27. Nb1 Bxb1 28. Rcxb1 Rha8 29. Rb2 Nd3 30. Rc2 {[#]} Bxb4 $1 {[%mdl 512]} 31. Bd2 Bd6 {Threatens to win with ...b4.} 32. e5 Be7 33. Ke2 Kc6 34. Bc1 {[#]} Rxa2 $3 {[%mdl 512]} 35. Raxa2 Rxa2 36. Kd1 Nf2+ (36... Rxc2 $142 37. Kxc2 Nxc1 38. Kxc1 Kd5 39. Kd1 b4 40. Kd2 bxc3+ 41. Kxc3 Ba3 42. Kd2 Kxd4 43. Kc2 h6 44. Kd2 c3+ 45. Kc2 Kc4 46. Kd1 Kd3 47. Ke1 Bc5 48. Kf1 c2 49. f4 c1=Q+ 50. Kg2 gxf4 51. Kh2 Qg1+ 52. Kh3 Qh1#) 37. Kd2 Rxc2+ 38. Kxc2 Nd3 39. Be3 Ne1+ 40. Kd1 Nxf3 41. Ke2 Nh2 42. Bd2 Kd5 {Hoping for ...Ke4.} 43. Kf2 Ke4 {( -> ...Kd3)} 44. Be1 Nxg4+ 45. Kg3 Ne3 46. Kf2 {Weighted Error Value: White=0.83/Black=0.32} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.18"]
[Round "4.6"]
[White "Mahin, Ahmed Shuvo"]
[Black "Md, Azmaeen Parvez Sayor"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1813"]
[BlackElo "1920"]
[Annotator "TA"]
[PlyCount "72"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 13,71,-6,-1,-19,15,0,7,14,25,16,18,4,5,12,20,22,17,19,69,67,72,61,56,58,57,54,46,73,140,74,616,584,645,634,720,107,131,28,28,20,24,36,120,125,127,115,106,29,28,27,28,37,39,0,0,-29997,-29998,-29998,-29999,-29999]} 1. Nf3 {[%cal Bg1f3,Bf3d4,Bd4b3][%mdl 32]} c5 2. d4 cxd4 3. Nxd4 e5 4. Nb3 d5 {[%cal Bd7d5,Bd5d4][%mdl 32]} 5. g3 h6 6. Bg2 Nf6 7. O-O Nc6 8. Nc3 {[%cal Rc3d5] D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} d4 9. Ne4 Nxe4 10. Bxe4 {The position is equal.} Bh3 11. Re1 $1 Bb4 12. Bd2 Bxd2 13. Qxd2 {[#]} O-O $146 ({Predecessor:} 13... Qb6 14. e3 O-O-O 15. exd4 Nxd4 16. Nxd4 Rxd4 17. Qe2 g6 18. c3 Rd7 19. Rad1 Rxd1 20. Rxd1 Be6 21. Bd5 Rd8 22. Bxe6+ Qxe6 23. Rxd8+ Kxd8 24. Qd2+ Ke7 {½-½ (24) Hodovsky,J (2161)-Buran,J (2211) Czech Republic 2015}) 14. e3 {[%cal Be2e3,Be3d4,Bd4d5][%mdl 32]} Qb6 15. exd4 Rad8 (15... Nxd4 $11 16. Nxd4 Rad8) 16. d5 $14 f5 17. Bh1 {Threatens to win with c4.} e4 18. c4 $1 {Inhibits Qb5.} Ne5 19. Qc3 Nd3 {[%csl Gd3][%cal Rb6f2]} 20. Re2 f4 ({Black should play} 20... Rc8) 21. c5 ({Not} 21. Bxe4 fxg3 22. c5 (22. hxg3 Rxf2 23. Qxd3 Rxe2+ 24. c5 Qa6 $15) 22... Nf4 $11) ({White should try} 21. Qd4 $1) 21... Qc7 $2 {[%mdl 8192]} (21... Qa6 $16) 22. Bxe4 $18 fxg3 23. hxg3 ({Inferior is} 23. Bxd3 gxf2+ 24. Rxf2 Rxf2 $15) 23... Rxf2 {[#]} 24. Qxd3 (24. d6 $1 $18 {[%mdl 512] is the precise move to win.} Qc8 25. Bxd3 Rxe2 26. Bxe2) 24... Rxe2 $16 {[#]} 25. Qxe2 ({White has to play} 25. d6 $1 $16 {Bd5+ is the strong threat.} Rxe4 26. Qxe4 (26. dxc7 $2 {loses.} Rxd3 27. Kh1 Re7 $19)) 25... Qxg3+ $11 26. Bg2 Bxg2 $1 27. Qxg2 Qe3+ (27... Qd3 $1 $14 28. Nd2 Rxd5) 28. Kh1 $16 Re8 29. Rg1 {[%csl Gg1][%cal Rg2g7]} Qe5 {[#]} 30. Qg6 {Inhibits Qh5+.} (30. Qg4 $1 $16 {Strongly threatening d6.} Qxd5+ 31. Kh2 Qe5+ 32. Kh3) 30... Qxd5+ $11 31. Kh2 {[%csl Gg1][%cal Rg6g7]} Qe5+ 32. Kh3 {[%cal Ob3d4] Hoping for Nd4!} Rf8 $1 33. Qg4 (33. Nd2 $5 {[%cal Rg1g3]}) 33... Rf5 $1 $40 {[%mdl 128] And now ...Rh5+ would win. Black has some attack. Really sharp!} 34. Qd4 $2 {[%mdl 8192]} (34. Rg3 $11 Rh5+ 35. Kg2 Qxb2+ 36. Kf3 Qc3+ 37. Kg2 Qb2+ 38. Kg1 Qb1+ 39. Kg2 Qxa2+ 40. Kg1 Qb1+ 41. Kg2 Qb2+ 42. Kg1 Qb1+ 43. Kg2 Qc2+ 44. Kg1 Qb1+) 34... Rf3+ {Black mates.} 35. Kh4 Qh2+ 36. Kg4 Qh3# {Never resign too early!  Weighted Error Value: White=0.70/Black=0.29 (precise)} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.18"]
[Round "4.7"]
[White "Sakline Mostafa, Sajid"]
[Black "Safayat, Kibria"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "2089"]
[BlackElo "1357"]
[Annotator "TA"]
[PlyCount "61"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 17,61,22,18,18,39,18,54,41,21,22,127,128,115,112,147,118,110,64,69,86,108,56,64,16,99,0,632,641,559,323,429,317,322,316,373,373,377,339,890,694,589,272,29993,29985,29996,29997]} 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 c6 6. Nf3 Nbd7 7. Bd3 b6 8. O-O O-O 9. Rc1 {9.cxd5 gains popularity.} Bb7 10. Qe2 {D53: Queen's Gambit Declined: 4 Bg5 Be7: Early deviations.} h6 {[#] White must now prevent ...dxc4.} 11. Bh4 Ne8 12. Bxe7 {White is slightly better.} Qxe7 {[#]} 13. e4 $146 {[%cal Be3e4,Be4e5][%mdl 32]} ({Predecessor:} 13. cxd5 cxd5 14. Nb5 Ndf6 15. Rc2 a6 16. Nc3 Nd6 17. Rfc1 Rfc8 18. Na4 Qd8 19. Ne5 Rxc2 20. Rxc2 {1-0 (52) Nemec,H (1729)-Bernik,A (1699) Verzej 2013}) 13... Nef6 (13... dxc4 $11 {remains equal.} 14. Bxc4 Nc7) 14. e5 $16 Ne8 {[#]} 15. cxd5 $1 cxd5 16. Nb5 a6 17. Nc7 (17. Na3 $16) 17... Nxc7 $1 $14 18. Rxc7 Rfb8 19. Qd2 (19. Rfc1 $16) 19... Qd8 $1 20. Rfc1 (20. Rc3 $14) 20... a5 (20... Nc5 $1 $11) 21. Bb5 {White is much more active. Black has bad knights.} (21. Qf4 $16) 21... Nf8 $2 {[%mdl 8192]} (21... Nc5 $11 22. R7xc5 bxc5 23. dxc5 Ba6 24. Bxa6 Rxa6) 22. Qf4 $18 f5 23. Qg3 {[%csl Gc7][%cal Rg3g7]} g6 24. Qf4 g5 25. Qd2 Ba6 26. Bxa6 Rxa6 27. h4 {[%cal Rh4g5]} Nh7 (27... Rba8 28. hxg5 hxg5 29. Nxg5 R6a7) 28. hxg5 Nxg5 29. Nxg5 (29. R1c3 $142 {Nxg5 would kill now.} Nxf3+ 30. Rxf3 (30. gxf3 Qh4 $18) 30... Qxc7 31. Qxh6) 29... hxg5 $2 (29... Qxg5 $18 30. Qd1 h5) 30. Qe2 Raa8 31. Qh5 {Weighted Error Value: White=0.56/Black=0.88} 1-0

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.18"]
[Round "4.8"]
[White "Azharul, Karim"]
[Black "Sajidul, Haque"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1315"]
[BlackElo "1766"]
[Annotator "NA RC"]
[PlyCount "56"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:07:48]} d5 {[%emt 0:00:24]} 2. Bf4 {[%emt 0:00:38]} Nf6 {[%emt 0:00:08]} 3. e3 {[%emt 0:00:07]} e6 {[%emt 0:00:20]} 4. Nf3 {[%emt 0:00:11]} Bd6 {[%emt 0:00:34]} 5. Bg3 {[%emt 0:00:19]} O-O {[%emt 0:01:27]} 6. Bd3 {[%emt 0:00:14]} c5 {[%emt 0:00:29]} 7. c3 {[%emt 0:00:57]} Nc6 {[%emt 0:00:11]} 8. Nbd2 {[%emt 0:00:28]} Re8 {[%emt 0:00:51]} 9. Ne5 {[%emt 0:00:19]} Qe7 {[%emt 0:01:29]} 10. h4 {[%emt 0:03:22]} Nd7 {[%emt 0:03:18]} 11. f4 {[%emt 0:06:52]} Nf8 {[%emt 0:04:43]} 12. Qh5 {[%emt 0:10:30]} f6 {[%emt 0:01:58]} 13. Nef3 {[%emt 0:19:09]} g6 {[%emt 0:01:24]} 14. Qh6 {[%emt 0:07:31]} Nd8 {[%emt 0:01:38]} 15. Ng5 {[%emt 0:00:09]} fxg5 {[%emt 0:00:24]} 16. hxg5 {[%emt 0:00:23]} Nf7 {[%emt 0:02:15]} 17. Qh4 {[%emt 0:03:35]} cxd4 {[%emt 0:01:49]} 18. exd4 {[%emt 0:01:15]} Bb8 {[%emt 0:06:47]} 19. O-O-O {[%emt 0:00:43]} Nd6 {[%emt 0:00:29]} 20. Nf3 {[%emt 0:02:17]} Nf5 {[%emt 0:01:02]} 21. Bxf5 {[%emt 0:02:06]} exf5 {[%emt 0:00:29]} 22. Rde1 {[%emt 0:02:59]} Be6 {[%emt 0:00:49]} 23. Ne5 {[%emt 0:01:12]} Bxe5 {[%emt 0:00:58]} 24. dxe5 {[%emt 0:00:49]} d4 {[%emt 0:00:17]} 25. cxd4 {[%emt 0:01:39]} Bxa2 {[%emt 0:00:14]} 26. Re2 {[%emt 0:02:00]} Rac8+ {[%emt 0:00:36]} 27. Kd1 {[%emt 0:00:40]} Bb3+ {[%emt 0:00:09]} 28. Ke1 {[%emt 0:26:18]} Qd8 {[%emt 1:09:18]} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.19"]
[Round "5.1"]
[White "Noshin, Anjum"]
[Black "Manon, Reja Neer"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2017"]
[BlackElo "2209"]
[Annotator "ChessBase"]
[PlyCount "98"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:03:16]} c6 {[%emt 0:00:06]} 2. d4 {[%emt 0:00:18]} d5 {[%emt 0:00:06]} 3. Nc3 {[%emt 0:00:08]} dxe4 {[%emt 0:00:06]} 4. Nxe4 {[%emt 0:00:02]} Nf6 {[%emt 0:00:02]} 5. Nxf6+ {[%emt 0:00:13]} exf6 {[%emt 0:00:03]} 6. c3 {[%emt 0:00:09]} Bd6 {[%emt 0:00:05]} 7. Bd3 {[%emt 0:00:06]} O-O {[%emt 0:00:06]} 8. Qc2 {[%emt 0:00:02]} Re8+ {[%emt 0:00:06]} 9. Ne2 {[%emt 0:00:06]} h5 {[%emt 0:00:03]} 10. Be3 {[%emt 0:00:05]} Nd7 {[%emt 0:01:06]} 11. O-O-O {[%emt 0:00:24]} Nf8 {[%emt 0:00:15]} 12. Kb1 {[%emt 0:00:17]} Be6 {[%emt 0:00:08]} 13. c4 {[%emt 0:00:06]} Rc8 {[%emt 0:00:17]} 14. Nc3 {[%emt 0:00:29]} Qa5 {[%emt 0:06:22]} 15. a3 {[%emt 0:06:34]} Bb8 {[%emt 0:12:11]} 16. Ne4 {[%emt 0:08:46]} Rcd8 {[%emt 0:17:14]} 17. Nc5 {[%emt 0:12:26]} Bc8 {[%emt 0:03:17]} 18. Bf5 {[%emt 0:19:01]} Qc7 {[%emt 0:02:55]} 19. g3 {[%emt 0:05:59]} b6 {[%emt 0:09:47]} 20. Nb3 {[%emt 0:12:10]} g6 {[%emt 0:03:49]} 21. Bxc8 {[%emt 0:01:43]} Qxc8 {[%emt 0:00:29]} 22. d5 {[%emt 0:07:13]} c5 {[%emt 0:06:02]} 23. Rhe1 {[%emt 0:07:24]} Qh3 {[%emt 0:02:41]} 24. f4 {[%emt 0:01:12]} h4 {[%emt 0:01:20]} 25. Qf2 {[%emt 0:00:19]} Bd6 {[%emt 0:09:21]} 26. gxh4 {[%emt 0:01:57]} Re7 {[%emt 0:00:58]} 27. Ka2 {[%emt 0:09:25]} Rde8 {[%emt 0:03:14]} 28. Bd2 {[%emt 0:00:09]} Rxe1 {[%emt 0:07:16]} 29. Rxe1 {[%emt 0:00:04]} Rxe1 {[%emt 0:00:06]} 30. Bxe1 {[%emt 0:00:04]} Qd3 {[%emt 0:00:13]} 31. Nd2 {[%emt 0:00:19]} Qf5 {[%emt 0:00:01]} 32. Nf1 {[%emt 0:00:39]} Qe4 {[%emt 0:00:58]} 33. b3 {[%emt 0:01:09]} Bxf4 {[%emt 0:00:32]} 34. Ng3 {[%emt 0:00:43]} Qe5 {[%emt 0:02:13]} 35. Bd2 {[%emt 0:00:23]} Bxd2 {[%emt 0:00:18]} 36. Qxd2 {[%emt 0:00:03]} Nd7 {[%emt 0:00:03]} 37. Qe2 {[%emt 0:00:51]} Kg7 {[%emt 0:01:18]} 38. Qg4 {[%emt 0:02:19]} f5 {[%emt 0:00:43]} 39. Qg5 {[%emt 0:02:33]} f6 {[%emt 0:01:40]} 40. Qd2 {[%emt 0:00:15]} f4 {[%emt 0:00:02]} 41. Ne2 {[%emt 0:00:10]} g5 {[%emt 0:00:53]} 42. hxg5 {[%emt 0:00:23]} fxg5 {[%emt 0:00:01]} 43. Ng1 {[%emt 0:01:29]} Qe4 {[%emt 0:02:42]} 44. Kb2 {[%emt 0:00:29]} Ne5 {[%emt 0:11:22]} 45. Qe2 {[%emt 0:00:16]} Qd4+ {[%emt 0:00:00]} 46. Kc2 {[%emt 0:00:41]} g4 {[%emt 0:00:00]} 47. h3 {[%emt 0:00:34]} f3 {[%emt 0:00:00]} 48. Qd2 {[%emt 0:00:05]} Qxd2+ {[%emt 0:00:00]} 49. Kxd2 {[%emt 0:00:01]} f2 {[%emt 0:00:00]} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.19"]
[Round "5.2"]
[White "Subrota, Biswas"]
[Black "Swarnavo Choudhury"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "2202"]
[BlackElo "1945"]
[Annotator "ChessBase"]
[PlyCount "57"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:01]} c5 {[%emt 0:03:36]} 2. Nf3 {[%emt 0:00:02]} e6 {[%emt 0:00:59]} 3. d4 {[%emt 0:00:46]} cxd4 {[%emt 0:00:07]} 4. Nxd4 {[%emt 0:00:02]} Nc6 {[%emt 0:00:10]} 5. Nc3 {[%emt 0:00:01]} Qc7 {[%emt 0:00:08]} 6. Be3 {[%emt 0:00:04]} a6 {[%emt 0:00:06]} 7. g4 {[%emt 0:00:35]} Nxd4 {[%emt 0:02:22]} 8. Qxd4 {[%emt 0:00:12]} b5 {[%emt 0:00:22]} 9. O-O-O {[%emt 0:01:22]} Bb7 {[%emt 0:03:22]} 10. f3 {[%emt 0:00:04]} Rc8 {[%emt 0:04:22]} 11. Qd2 {[%emt 0:00:02]} Bb4 {[%emt 0:23:16]} 12. Bd4 {[%emt 0:00:01]} f6 {[%emt 0:09:47]} 13. a3 {[%emt 0:03:22]} Bxc3 {[%emt 0:06:05]} 14. Bxc3 {[%emt 0:01:05]} d5 {[%emt 0:04:59]} 15. Bd3 {[%emt 0:05:36]} Ne7 {[%emt 0:06:59]} 16. g5 {[%emt 0:02:48]} e5 {[%emt 0:12:47]} 17. gxf6 {[%emt 0:00:11]} gxf6 {[%emt 0:00:09]} 18. Ba5 {[%emt 0:09:30]} Qd6 {[%emt 0:06:42]} 19. Rhg1 {[%emt 0:10:34]} Kf7 {[%emt 0:10:31]} 20. exd5 {[%emt 0:09:14]} f5 {[%emt 0:02:32]} 21. Bb4 {[%emt 0:00:12]} Qf6 {[%emt 0:00:14]} 22. Bxe7 {[%emt 0:01:15]} Kxe7 {[%emt 0:00:10]} 23. Qb4+ {[%emt 0:00:09]} Kf7 {[%emt 0:00:56]} 24. Qb3 {[%emt 0:03:19]} Rcd8 {[%emt 0:00:49]} 25. c4 {[%emt 0:00:15]} Rd7 {[%emt 0:00:56]} 26. d6 {[%emt 0:01:27]} Rxd6 {[%emt 0:00:31]} 27. cxb5+ {[%emt 0:01:33]} Bd5 {[%emt 0:00:23]} 28. Bc4 {[%emt 0:00:15]} Bxc4 {[%emt 0:00:35]} 29. Qxc4+ {[%emt 0:00:04]} 1-0

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.19"]
[Round "5.3"]
[White "Zia, Tahsin Tajwar"]
[Black "Md, Azmaeen Parvez Sayor"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "2283"]
[BlackElo "1920"]
[Annotator "ChessBase"]
[PlyCount "152"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:16]} e5 {[%emt 0:00:34]} 2. Bc4 {[%emt 0:00:13]} Nf6 {[%emt 0:00:16]} 3. d3 {[%emt 0:00:43]} d5 {[%emt 0:01:19]} 4. exd5 {[%emt 0:00:23]} Nxd5 {[%emt 0:00:21]} 5. Nf3 {[%emt 0:02:45]} Nc6 {[%emt 0:03:29]} 6. h3 {[%emt 0:07:31]} Be7 {[%emt 0:01:52]} 7. O-O {[%emt 0:01:40]} O-O {[%emt 0:00:40]} 8. Re1 {[%emt 0:01:19]} Bf6 {[%emt 0:00:36]} 9. Nbd2 {[%emt 0:02:22]} a6 {[%emt 0:03:54]} 10. Ne4 {[%emt 0:00:34]} Be7 {[%emt 0:01:10]} 11. c3 {[%emt 0:03:08]} h6 {[%emt 0:03:20]} 12. Ng3 {[%emt 0:04:53]} Nb6 {[%emt 0:00:52]} 13. Bb3 {[%emt 0:00:28]} Bd6 {[%emt 0:01:41]} 14. Be3 {[%emt 0:00:44]} Re8 {[%emt 0:02:14]} 15. Ne4 {[%emt 0:03:47]} Bf8 {[%emt 0:03:24]} 16. Nfg5 {[%emt 0:01:39]} Nd5 {[%emt 0:02:01]} 17. Qf3 {[%emt 0:24:06]} Be6 {[%emt 0:08:37]} 18. Nxe6 {[%emt 0:00:35]} fxe6 {[%emt 0:00:06]} 19. Rad1 {[%emt 0:02:00]} Bd6 {[%emt 0:10:47]} 20. Qg4 {[%emt 0:03:22]} Kh8 {[%emt 0:04:00]} 21. c4 {[%emt 0:07:13]} Nf6 {[%emt 0:01:18]} 22. Nxf6 {[%emt 0:03:14]} Qxf6 {[%emt 0:00:19]} 23. c5 {[%emt 0:00:46]} Bf8 {[%emt 0:00:50]} 24. Ba4 {[%emt 0:00:23]} Qf5 {[%emt 0:01:23]} 25. Qe4 {[%emt 0:04:50]} Qxe4 {[%emt 0:02:35]} 26. dxe4 {[%emt 0:00:01]} Red8 {[%emt 0:00:48]} 27. Bxc6 {[%emt 0:00:24]} bxc6 {[%emt 0:00:15]} 28. Kf1 {[%emt 0:00:41]} Kg8 {[%emt 0:02:56]} 29. Ke2 {[%emt 0:01:49]} Kf7 {[%emt 0:01:05]} 30. b3 {[%emt 0:02:00]} Ke8 {[%emt 0:01:11]} 31. Rc1 {[%emt 0:01:41]} Rdb8 {[%emt 0:04:18]} 32. Rc4 {[%emt 0:02:05]} Rd8 {[%emt 0:06:15]} 33. Rec1 {[%emt 0:01:05]} Rd7 {[%emt 0:01:48]} 34. R1c2 {[%emt 0:01:27]} Kd8 {[%emt 0:03:00]} 35. Bc1 {[%emt 0:01:28]} Be7 {[%emt 0:01:17]} 36. Bb2 {[%emt 0:01:40]} Bf6 {[%emt 0:00:18]} 37. Rd2 {[%emt 0:02:35]} Rxd2+ {[%emt 0:01:11]} 38. Kxd2 {[%emt 0:00:01]} Kc8 {[%emt 0:00:32]} 39. Rc3 {[%emt 0:00:42]} Kd7 {[%emt 0:04:27]} 40. Ke2 {[%emt 0:00:32]} Rd8 {[%emt 0:01:26]} 41. Bc1 {[%emt 0:06:05]} Kc8 {[%emt 0:01:59]} 42. Be3 {[%emt 0:00:04]} Rd7 {[%emt 0:00:49]} 43. Rc1 {[%emt 0:00:27]} Rd8 {[%emt 0:02:15]} 44. Rg1 {[%emt 0:00:08]} Rh8 {[%emt 0:02:24]} 45. Rd1 {[%emt 0:01:03]} Rd8 {[%emt 0:00:50]} 46. Rh1 {[%emt 0:00:05]} Rh8 {[%emt 0:01:06]} 47. g3 {[%emt 0:01:19]} Kd7 {[%emt 0:02:06]} 48. f4 {[%emt 0:00:39]} a5 {[%emt 0:01:19]} 49. Kf3 {[%emt 0:02:06]} Rb8 {[%emt 0:00:51]} 50. f5 {[%emt 0:02:02]} exf5 {[%emt 0:00:54]} 51. exf5 {[%emt 0:00:05]} a4 {[%emt 0:00:16]} 52. Rb1 {[%emt 0:01:04]} Rb4 {[%emt 0:02:15]} 53. Bd2 {[%emt 0:01:03]} Rd4 {[%emt 0:01:25]} 54. Ke2 {[%emt 0:00:23]} axb3 {[%emt 0:01:18]} 55. Rxb3 {[%emt 0:01:00]} Rc4 {[%emt 0:01:00]} 56. Rc3 {[%emt 0:00:40]} Ra4 {[%emt 0:00:58]} 57. a3 {[%emt 0:00:50]} e4 {[%emt 0:02:28]} 58. Rb3 {[%emt 0:00:12]} Rc4 {[%emt 0:00:23]} 59. Be3 {[%emt 0:01:38]} Be7 {[%emt 0:01:48]} 60. Rb4 {[%emt 0:00:44]} Rc2+ {[%emt 0:01:00]} 61. Kd1 {[%emt 0:00:43]} Rc3 {[%emt 0:02:15]} 62. Kd2 {[%emt 0:00:28]} Rxa3 {[%emt 0:00:53]} 63. Rd4+ {[%emt 0:00:09]} Ke8 {[%emt 0:00:55]} 64. Rxe4 {[%emt 0:02:28]} Kf7 {[%emt 0:00:42]} 65. Re6 {[%emt 0:00:00]} Ra6 {[%emt 0:00:57]} 66. g4 {[%emt 0:00:00]} Bf6 {[%emt 0:00:53]} 67. Kd3 {[%emt 0:00:00]} Ra3+ {[%emt 0:00:17]} 68. Kc4 {[%emt 0:00:08]} Ra6 {[%emt 0:00:37]} 69. Kb4 {[%emt 0:00:15]} Be7 {[%emt 0:00:40]} 70. Bf4 {[%emt 0:00:17]} Bd8 {[%emt 0:00:10]} 71. Be5 {[%emt 0:00:07]} Kf8 {[%emt 0:00:40]} 72. Rg6 {[%emt 0:00:14]} Ra8 {[%emt 0:00:51]} 73. Bxg7+ {[%emt 0:00:24]} Kf7 {[%emt 0:00:08]} 74. Bxh6 {[%emt 0:00:49]} Bf6 {[%emt 0:00:12]} 75. g5 {[%emt 0:00:12]} Rb8+ {[%emt 0:00:09]} 76. Kc4 {[%emt 0:00:07]} Ke7 {[%emt 0:02:22]} 1-0

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.19"]
[Round "5.4"]
[White "Anower, Hossain"]
[Black "Sakline Mostafa, Sajid"]
[Result "0-1"]
[ECO "B44"]
[WhiteElo "1634"]
[BlackElo "2089"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,40,13,7,21,0,0,-3,-4,-107,-116,-114,-109,-201,-189,-182,-181,-265,-281,-389,-373,-355,-375,-375,-369,-29996,-59]} 1. Nf3 c5 2. c4 Nc6 3. Nc3 e6 4. e4 Nf6 5. d4 cxd4 6. Nxd4 Bb4 7. Nxc6 bxc6 8. Bd3 e5 9. O-O Bc5 {B44: Sicilian: Taimanov: 5 Nb5.} 10. Bg5 h6 {[%cal Bh7h6,Bh6h5,Bh5h4][%mdl 32]} 11. Bh4 d6 {Strongly threatening ...g5. The position is equal.} 12. h3 (12. Rb1 $11 {keeps the balance.}) 12... g5 $1 $17 13. Bg3 {[#]} h5 $1 {[#] And now ...h4 would win.} 14. Kh1 $146 (14. Bh2 $17) ({Predecessor:} 14. h4 Ng4 15. hxg5 Qxg5 16. Bh2 Rg8 17. g3 Nxh2 18. Kxh2 Bxf2 19. Qf3 Bxg3+ 20. Kh1 Qh4+ 21. Kg1 Bf2# {0-1 (21) Talalov,A (1757)-Budisavljevic,L (1597) Budva 2013}) 14... h4 $19 15. Bh2 {[#]} g4 16. hxg4 (16. Be2 {was called for.} gxh3 17. g4) 16... Nxg4 17. Qe2 Qf6 (17... h3 18. g3 $17) 18. f4 ({Avoid the trap} 18. Bg1 $2 h3 19. Qf3 hxg2+ 20. Kxg2 Qh4 21. Qxf7+ Kxf7 $19) 18... Nxh2 19. Kxh2 Qg7 {( -> ...Qg3+)} 20. f5 $2 (20. Rf3 $19 Bg4 21. f5) 20... Qg3+ {Black took control after the opening.  Weighted Error Value: White=1.06/Black=0.01 (flawless)} ({Worse is} 20... Rg8 21. Kh1 $17) 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.19"]
[Round "5.5"]
[White "Mohammed, Sagar Ullah"]
[Black "Justin Matthias Baroi"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1924"]
[BlackElo "1575"]
[Annotator "ChessBase"]
[PlyCount "68"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:32]} e6 {[%emt 0:00:24]} 2. d4 {[%emt 0:00:23]} d5 {[%emt 0:00:37]} 3. e5 {[%emt 0:01:05]} c5 {[%emt 0:00:57]} 4. c3 {[%emt 0:00:34]} Nc6 {[%emt 0:01:16]} 5. Nf3 {[%emt 0:01:19]} Bd7 {[%emt 0:02:01]} 6. Bd3 {[%emt 0:00:45]} Qb6 {[%emt 0:05:25]} 7. dxc5 {[%emt 0:04:39]} Bxc5 {[%emt 0:02:02]} 8. O-O {[%emt 0:00:25]} a5 {[%emt 0:07:07]} 9. Nbd2 {[%emt 0:01:51]} a4 {[%emt 0:04:57]} 10. b4 {[%emt 0:00:09]} axb3 {[%emt 0:00:15]} 11. Nxb3 {[%emt 0:00:01]} Nge7 {[%emt 0:05:47]} 12. a4 {[%emt 0:02:59]} Na5 {[%emt 0:19:11]} 13. Nxc5 {[%emt 0:02:45]} Qxc5 {[%emt 0:00:39]} 14. Qc2 {[%emt 0:01:33]} Rc8 {[%emt 0:10:16]} 15. Bb2 {[%emt 0:01:40]} Nc4 {[%emt 0:09:21]} 16. Bxc4 {[%emt 0:03:27]} Qxc4 {[%emt 0:01:43]} 17. Rfc1 {[%emt 0:00:16]} Nf5 {[%emt 0:06:31]} 18. Qd1 {[%emt 0:03:35]} Qg4 {[%emt 0:05:35]} 19. h3 {[%emt 0:01:13]} Qf4 {[%emt 0:00:38]} 20. Qb3 {[%emt 0:03:52]} Bc6 {[%emt 0:01:50]} 21. Re1 {[%emt 0:01:06]} d4 {[%emt 0:06:03]} 22. Nxd4 {[%emt 0:02:30]} Nxd4 {[%emt 0:00:23]} 23. cxd4 {[%emt 0:00:18]} Qg5 {[%emt 0:02:20]} 24. f3 {[%emt 0:03:45]} O-O {[%emt 0:01:36]} 25. Qe3 {[%emt 0:00:48]} Qg6 {[%emt 0:00:49]} 26. Ba3 {[%emt 0:00:29]} Rfe8 {[%emt 0:00:14]} 27. Bc5 {[%emt 0:00:28]} f6 {[%emt 0:02:37]} 28. Kh2 {[%emt 0:00:36]} fxe5 {[%emt 0:00:34]} 29. Qxe5 {[%emt 0:00:40]} Rcd8 {[%emt 0:00:44]} 30. Qg3 {[%emt 0:01:37]} Qf6 {[%emt 0:01:09]} 31. a5 {[%emt 0:00:33]} Rd5 {[%emt 0:00:19]} 32. a6 {[%emt 0:00:56]} Rg5 {[%emt 0:01:01]} 33. Qc7 {[%emt 0:01:07]} Rxg2+ {[%emt 0:00:17]} 34. Kh1 {[%emt 0:03:12]} Qxf3 {[%emt 0:00:30]} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.19"]
[Round "5.6"]
[White "Mortuza Muhtadi, Islam"]
[Black "Dibya, Das Gupta"]
[Result "0-1"]
[ECO "D63"]
[WhiteElo "1485"]
[BlackElo "1923"]
[Annotator "ChessBase"]
[PlyCount "52"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:07]} d5 {[%emt 0:01:14]} 2. c4 {[%emt 0:00:08]} e6 {[%emt 0:00:20]} 3. Nf3 {[%emt 0:00:04]} Nf6 {[%emt 0:00:16]} 4. Bg5 {[%emt 0:00:13]} Be7 {[%emt 0:00:17]} 5. Nc3 {[%emt 0:00:12]} O-O {[%emt 0:00:46]} 6. e3 {[%emt 0:00:19]} a6 {[%emt 0:00:54]} 7. Bd3 {[%emt 0:00:27]} dxc4 {[%emt 0:00:11]} 8. Bxc4 {[%emt 0:00:06]} b5 {[%emt 0:00:04]} 9. Bd3 {[%emt 0:01:16]} Bb7 {[%emt 0:00:14]} 10. O-O {[%emt 0:01:17]} Nbd7 {[%emt 1:31:14]} 11. Rc1 {[%emt 0:09:13]} c5 {[%emt 0:00:00]} 12. b3 {[%emt 0:09:13]} Rc8 {[%emt 0:00:00]} 13. Qe2 {[%emt 0:02:01]} Qa5 {[%emt 0:00:00]} 14. Bxf6 {[%emt 0:11:15]} Bxf6 {[%emt 0:00:00]} 15. Ne4 {[%emt 0:01:20]} Be7 {[%emt 0:00:00]} 16. Rfd1 {[%emt 0:30:29]} g6 {[%emt 0:00:00]} 17. h4 {[%emt 0:10:13]} cxd4 {[%emt 0:00:00]} 18. exd4 {[%emt 0:00:28]} Nf6 {[%emt 0:00:00]} 19. Qd2 {[%emt 0:14:39]} Qxd2 {[%emt 0:00:00]} 20. Nexd2 {[%emt 0:01:01]} Ba3 {[%emt 0:00:00]} 21. Rxc8 {[%emt 0:02:17]} Rxc8 {[%emt 0:00:00]} 22. Ne5 {[%emt 0:00:44]} Nd5 {[%emt 0:00:00]} 23. Be4 {[%emt 0:03:56]} f6 {[%emt 0:00:00]} 24. Nd3 {[%emt 0:00:26]} Bd6 {[%emt 0:00:00]} 25. Rc1 {[%emt 0:00:39]} Rxc1+ {[%emt 0:00:00]} 26. Nxc1 {[%emt 0:00:03]} Bf4 {[%emt 0:00:00]} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.19"]
[Round "5.7"]
[White "Siam, Chowdhury"]
[Black "Mortuza Mahathir, Islam"]
[Result "0-1"]
[ECO "B26"]
[WhiteElo "1421"]
[BlackElo "1877"]
[Annotator "NA"]
[PlyCount "108"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,100,12,7,8,4,6,2,2,0,0,10,12,-18,0,-17,-2,-5,-22,-11,0,-16,-21,-31,-33,-52,-42,-65,-70,-62,-69,-162,-39,-139,-160,-154,-172,-167,-202,-232,-216,-223,-185,-176,-183,-216,-197,-171,-185,-181,-155,-139,0,-767,-106,-109,-41,-120,-118,-204,-101,-225,-247,32767,32767,-328,-295,-316,-216,-264,-254,-281,-311,-317,-338,-395,-388,-5597,-474,-629,-579,-571,-694,-853,-804,-633,-751,-1046,-677,-642,-652,-729,-786,-766,-1099]} 1. e4 {[%emt 0:00:40]} c5 {[%emt 0:00:11]} 2. Nc3 {[%emt 0:00:04]} Nc6 {[%emt 0:00:05]} 3. g3 {[%emt 0:00:13]} g6 {[%emt 0:00:06]} 4. Bg2 {[%emt 0:00:08]} Bg7 {[%emt 0:00:07]} 5. d3 {[%emt 0:00:26]} d6 {[%emt 0:00:07]} 6. Be3 {[%emt 0:00:03]} Rb8 {[%emt 0:00:06]} 7. Nge2 {[%emt 0:00:21]} b5 {[%emt 0:00:50]} 8. Qd2 {[%emt 0:01:46]} b4 {[%emt 0:00:55]} 9. Nd1 $1 {[%emt 0:00:26]} Nd4 {[%emt 0:01:14]} 10. O-O {[%emt 0:01:52]} e6 {[%emt 0:04:13]} 11. c3 {[%emt 0:10:07]} Nxe2+ {[%emt 0:00:40]} 12. Qxe2 {[%emt 0:00:12]} bxc3 {[%emt 0:00:06]} 13. bxc3 {[%emt 0:02:43]} Ba6 {[%emt 0:01:47]} 14. Qd2 {[%emt 0:21:33]} Ne7 {[%emt 0:01:42]} 15. f4 {[%emt 0:01:19]} O-O {[%emt 0:00:15]} 16. Nf2 {[%emt 0:12:58]} Qa5 {[%emt 0:02:00]} 17. Nd1 {[%emt 0:10:43]} d5 {[%emt 0:04:42]} 18. Rf2 {[%emt 0:12:41]} dxe4 {[%emt 0:01:09]} 19. Bxe4 {[%emt 0:00:03]} (19. dxe4 $17 {only move.} Rfd8 20. Qe1) 19... Nd5 {[%emt 0:00:29]} (19... Rfd8 $19 20. d4 Nf5 21. Bxf5 exf5) 20. Rc1 {[%emt 0:01:39]} ({White should try} 20. Bxd5 $15 exd5 21. d4) 20... Nxe3 {[%emt 0:00:34]} 21. Nxe3 {[%emt 0:02:49]} Rfd8 {[%emt 0:01:36]} 22. c4 {[%emt 0:04:46]} Qa3 {[%emt 0:01:41]} 23. Rd1 {[%emt 0:07:07]} (23. Qe1 $142) 23... Bd4 {[%emt 0:00:54]} 24. Kf1 {[%emt 0:01:24]} Bxe3 {[%emt 0:04:06]} 25. Qxe3 {[%emt 0:00:21] [#]} Bxc4 $1 {[%emt 0:01:11]} 26. Rdd2 {[%emt 0:06:08]} Rb1+ {[%emt 0:00:26]} 27. Kg2 {[%emt 0:00:08]} Bd5 {[%emt 0:00:50]} 28. Rfe2 $11 {[%emt 0:00:55]} Qc1 {[%emt 0:03:48]} 29. Qf2 {[%emt 0:00:50]} Qa3 {[%emt 0:07:59]} ({Black should try} 29... Qc3 $17 30. Kh3 Qa5 31. Bxd5 Rxd5) 30. Rc2 $2 {[%emt 0:00:11]} Bxe4+ $2 {[%emt 0:00:43]} (30... Qxd3 $1 $19 {is more deadly.} 31. Qf3 Bxe4 32. Qxe4 Qd1) 31. dxe4 {[%emt 0:01:24]} Rd4 {[%emt 0:00:27]} (31... Rc1 $17 32. Rxc1 Qxc1) 32. Red2 {[%emt 0:00:00]} (32. f5 $1 $15) 32... Qb4 {[%emt 0:02:54]} 33. Re2 {[%emt 0:00:13]} (33. Kh3 $17) 33... a5 {[%emt 0:00:57]} (33... Rxe4 $19 34. Kh3 Rxe2 35. Qxe2 Qd4) 34. Re3 {[%emt 0:00:32]} (34. f5 $17 {was worth a try.} Rxe4 35. fxe6 Rxe6 36. Rxe6 Qb7+ 37. Kh3) 34... Rxe4 {[%emt 0:01:24]} 35. Rxe4 {[%emt 0:00:34]} Qxe4+ {[%emt 0:00:06]} 36. Kh3 {[%emt 0:00:18]} Qd4 {[%emt 0:01:45]} 37. Qf3 {[%emt 0:00:45]} Rb8 {[%emt 0:02:38]} 38. Qa3 {[%emt 0:00:18]} Qb4 {[%emt 0:00:35]} 39. Qe3 {[%emt 0:00:08]} c4 {[%emt 0:05:46]} 40. Qd4 {[%emt 0:00:41]} Rc8 {[%emt 0:00:41]} 41. Qd7 {[%emt 0:00:11]} Qc5 {[%emt 0:00:07]} 42. Rc3 $2 {[%emt 0:00:42]} (42. Qd2) 42... h5 {[%emt 0:00:39]} (42... Qh5+ $142 43. Kg2 Qe2+ 44. Kh3 Rb8) 43. Qd2 {[%emt 0:00:36]} Qf5+ {[%emt 0:00:14]} 44. Kg2 {[%emt 0:00:04]} Qd5+ {[%emt 0:00:09]} 45. Qxd5 {[%emt 0:00:06]} exd5 {[%emt 0:00:04]} 46. Kf3 {[%emt 0:00:19]} d4 {[%emt 0:00:11]} 47. Rc1 {[%emt 0:00:14]} f5 {[%emt 0:00:11]} 48. Ke2 {[%emt 0:00:30]} Kf7 {[%emt 0:00:07]} 49. Kd2 {[%emt 0:00:04]} Ke6 {[%emt 0:00:03]} 50. Re1+ $19 {[%emt 0:00:10]} Kd6 {[%emt 0:00:04]} 51. Re5 {[%emt 0:01:14]} c3+ {[%emt 0:00:17]} 52. Kc2 {[%emt 0:00:23]} d3+ {[%emt 0:00:12]} 53. Kc1 {[%emt 0:00:29]} c2 {[%emt 0:00:05]} 54. Rb5 {[%emt 0:00:06]} d2+ {[%emt 0:00:06]} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.19"]
[Round "5.8"]
[White "Sajidul, Haque"]
[Black "Kazi Afsan Rawnak, Anan"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1766"]
[BlackElo "1524"]
[Annotator "NA"]
[PlyCount "88"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:50]} c5 {[%emt 0:00:09]} 2. Nf3 {[%emt 0:00:34]} d6 {[%emt 0:00:08]} 3. d4 {[%emt 0:00:04]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:08]} Nf6 {[%emt 0:00:06]} 5. Nc3 {[%emt 0:00:22]} a6 {[%emt 0:00:10]} 6. Be2 {[%emt 0:02:17]} e5 {[%emt 0:00:45]} 7. Nb3 {[%emt 0:00:18]} Be7 {[%emt 0:00:30]} 8. Bg5 {[%emt 0:02:30]} Be6 {[%emt 0:00:49]} 9. Bxf6 {[%emt 0:00:29]} Bxf6 {[%emt 0:00:10]} 10. Nd5 {[%emt 0:00:07]} Nd7 {[%emt 0:00:36]} 11. O-O {[%emt 0:02:17]} Bg5 {[%emt 0:03:59]} 12. Qd3 {[%emt 0:01:16]} Nb6 {[%emt 0:07:18]} 13. Rae1 {[%emt 0:11:28]} Nxd5 {[%emt 0:05:33]} 14. exd5 {[%emt 0:00:20]} Bd7 {[%emt 0:01:34]} 15. Nd2 {[%emt 0:01:41]} O-O {[%emt 0:08:17]} 16. c4 {[%emt 0:03:09]} f5 {[%emt 0:04:07]} 17. b4 {[%emt 0:04:09]} e4 {[%emt 0:08:05]} 18. Qd4 {[%emt 0:04:02]} Bxd2 {[%emt 0:05:58]} 19. Qxd2 {[%emt 0:00:02]} f4 {[%emt 0:00:29]} 20. Bd1 {[%emt 0:02:33]} f3 {[%emt 0:15:33]} 21. Rxe4 {[%emt 0:02:21]} Bf5 {[%emt 0:01:11]} 22. Rf4 {[%emt 0:04:11]} fxg2 {[%emt 0:03:45]} 23. Re1 {[%emt 0:00:37]} Qg5 {[%emt 0:02:07]} 24. Rd4 {[%emt 0:08:13]} Qf6 {[%emt 0:03:18]} 25. Ba4 {[%emt 0:06:12]} b5 {[%emt 0:02:18]} 26. Bb3 {[%emt 0:04:59]} bxc4 {[%emt 0:00:16]} 27. Bxc4 {[%emt 0:02:17]} Rf7 {[%emt 0:01:24]} 28. a4 {[%emt 0:04:42]} Bd7 {[%emt 0:04:33]} 29. b5 {[%emt 0:06:59]} axb5 {[%emt 0:00:17]} 30. axb5 {[%emt 0:00:39]} Rb8 {[%emt 0:01:13]} 31. Rb1 {[%emt 0:02:45]} Rbf8 {[%emt 0:01:06]} 32. b6 {[%emt 0:03:49]} Bc8 {[%emt 0:00:33]} 33. Rb2 {[%emt 0:02:49]} Qe5 {[%emt 0:02:20]} 34. Rh4 {[%emt 0:08:27]} Rxf2 {[%emt 0:02:36]} 35. Qxf2 {[%emt 0:00:26]} Rxf2 {[%emt 0:00:07]} 36. Rxf2 {[%emt 0:00:10]} g5 {[%emt 0:02:09]} 37. Rh6 {[%emt 0:04:56]} Qe1+ {[%emt 0:02:40]} 38. Kxg2 {[%emt 0:00:03]} Qe4+ {[%emt 0:00:14]} 39. Kg1 {[%emt 0:01:54]} Qxc4 {[%emt 0:00:56]} 40. Rxd6 {[%emt 0:02:46]} Bh3 {[%emt 0:03:46]} 41. Rdf6 {[%emt 0:02:36]} Qg4+ {[%emt 0:00:18]} 42. Kh1 {[%emt 0:00:15]} Qd1+ {[%emt 0:00:10]} 43. Rf1 {[%emt 0:00:37]} Bxf1 {[%emt 0:00:07]} 44. Kg1 {[%emt 0:00:38]} Bh3+ {[%emt 0:00:18]} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.20"]
[Round "6.1"]
[White "Manon, Reja Neer"]
[Black "Zia, Tahsin Tajwar"]
[Result "1/2-1/2"]
[ECO "B72"]
[WhiteElo "2209"]
[BlackElo "2283"]
[Annotator "RC"]
[PlyCount "73"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:01:21]} c5 {[%emt 0:00:46]} 2. Nf3 {[%emt 0:01:18]} d6 {[%emt 0:00:07]} 3. d4 {[%emt 0:00:03]} cxd4 {[%emt 0:00:04]} 4. Nxd4 {[%emt 0:00:06]} Nf6 {[%emt 0:00:04]} 5. Nc3 {[%emt 0:00:09]} g6 {[%emt 0:00:05]} 6. Be3 {[%emt 0:01:52]} Nc6 {[%emt 0:01:30]} 7. f3 {[%emt 0:01:10]} h5 {[%emt 0:01:37]} 8. Qd2 {[%emt 0:01:10]} Nxd4 {[%emt 0:00:07]} 9. Bxd4 {[%emt 0:04:37]} Bh6 {[%emt 0:00:06]} 10. Be3 {[%emt 0:10:55]} Bxe3 {[%emt 0:00:11]} 11. Qxe3 {[%emt 0:00:02]} Be6 {[%emt 0:00:20]} 12. Bd3 {[%emt 0:08:07]} Qa5 {[%emt 0:00:51]} 13. O-O {[%emt 0:00:27]} Rc8 {[%emt 0:01:01]} 14. Kh1 {[%emt 0:02:45]} Qc5 {[%emt 0:00:28]} 15. Qe2 {[%emt 0:02:53]} a6 {[%emt 0:00:01]} 16. a3 {[%emt 0:00:49]} h4 {[%emt 0:00:34]} 17. Qf2 {[%emt 0:02:42]} Nh5 {[%emt 0:08:21]} 18. Qxc5 {[%emt 0:05:46]} Rxc5 {[%emt 0:00:07]} 19. Rf2 {[%emt 0:04:00]} Nf4 {[%emt 0:03:21]} 20. Rd1 {[%emt 0:01:45]} g5 {[%emt 0:04:55]} 21. Rff1 {[%emt 0:08:57]} b5 {[%emt 0:01:39]} 22. Kg1 {[%emt 0:00:55]} Ng6 {[%emt 0:02:33]} 23. Rd2 {[%emt 0:02:14]} Ne5 {[%emt 0:02:18]} 24. Kf2 {[%emt 0:05:59]} h3 {[%emt 0:02:05]} 25. g4 {[%emt 0:00:43]} Kd7 {[%emt 0:02:08]} 26. Ke3 {[%emt 0:01:22]} Rb8 {[%emt 0:02:49]} 27. Ra1 {[%emt 0:03:20]} Bc4 {[%emt 0:01:41]} 28. Nd1 {[%emt 0:02:47]} Ng6 {[%emt 0:03:05]} 29. Nc3 {[%emt 0:08:08]} Rbc8 {[%emt 0:06:31]} 30. Ne2 {[%emt 0:02:40]} Ne5 {[%emt 0:12:14]} 31. Ng1 {[%emt 0:01:31]} Rh8 {[%emt 0:00:13]} 32. Ne2 {[%emt 0:01:44]} Be6 {[%emt 0:00:44]} 33. Nd4 {[%emt 0:02:13]} Bc4 {[%emt 0:03:45]} 34. Ne2 {[%emt 0:00:18]} e6 {[%emt 0:02:13]} 35. Rb1 {[%emt 0:02:56]} Ba2 {[%emt 0:08:33]} 36. Ra1 {[%emt 0:00:33]} Bc4 {[%emt 0:00:09]} 37. Rb1 {[%emt 0:00:18]} 1/2-1/2

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.20"]
[Round "6.2"]
[White "Sakline Mostafa, Sajid"]
[Black "Subrota, Biswas"]
[Result "0-1"]
[ECO "A70"]
[WhiteElo "2089"]
[BlackElo "2202"]
[Annotator "TA"]
[PlyCount "86"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,86,0,0,13,0,0,0,32,0,5,3,6,12,6,12,12,0,5,-18,-9,0,0,-29,-26,-62,-62,-62,-62,-50,-66,-64,-36,-36,-42,-515,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-21,0,-497,-441,-29993,-29994]} 1. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 d6 5. Nc3 exd5 6. cxd5 g6 7. e4 a6 8. a4 Bg4 9. h3 Bxf3 10. Qxf3 Bg7 11. Bc4 O-O 12. O-O Nbd7 {A70: Modern Benoni: 6 e4 g6 7 Nf3.} 13. Qe2 Re8 {[%cal Of6e4] [#]} 14. Qc2 $146 ({Predecessor:} 14. Bf4 Qe7 15. Rfe1 Ne5 16. a5 Nh5 17. Bd2 Qh4 18. Ra3 Nf4 19. Bxf4 Qxf4 20. Nd1 {0-1 (34) Solsona Manonelles,J (1838)-Mirzoev,A (2523) Torredembarra 2006}) 14... Qc7 {The position is equal.} 15. f4 Nb6 16. Be2 c4 17. a5 Nbd7 18. Ra4 b5 19. axb6 $1 Nxb6 20. Ra2 Nfd7 {[%cal Bf6d7,Bd7c5,Bc5d3][%mdl 32]} 21. Be3 Nc5 22. Bf3 (22. f5 {is more complex.} Bxc3 23. bxc3 Rxe4 24. Bd4 Rae8 25. Bf3) 22... Nd3 23. Rfa1 Bxc3 {Black is more active.} ({But not} 23... Nb4 24. Qf2 Rab8 25. Rxa6 Nxa6 26. Rxa6 $11) 24. Qxc3 {[#]} Nxd5 $1 25. exd5 Rxe3 26. Rxa6 Rxa6 (26... Rae8 $5 {[%cal Rc7c5]} 27. Ra8 Qb6 $15) 27. Rxa6 {Intending Ra8+ and mate.} Qc5 28. Kh2 $2 {[%mdl 8192] [#]} (28. Rc6 $1 $15 Qa7 29. Rxc4 (29. Kh2 $2 Ne5 $19)) 28... Re8 $2 (28... Ne5 $1 $19 {[%cal Re5f3][%mdl 512]} 29. Ra8+ Kg7) 29. Rc6 $11 Qf2 30. Rxc4 Ne1 31. Rc8 Rxc8 {The board is on fire.} 32. Qxc8+ Kg7 33. Qc3+ f6 34. b4 h5 35. b5 Kh6 36. f5 {And now fxg6 would win.} h4 37. fxg6 Qg3+ 38. Kg1 Nxg2 39. Qd2+ Nf4+ 40. Bg2 Kxg6 41. Kf1 Kg5 {White must now prevent ...Qb3.} (41... Kf5 $5 {[%cal Rg3b3]} 42. Qf2 Qd3+ 43. Kg1 Qxb5 44. Qxh4 (44. Qf3 $2 Qb6+ 45. Kh1 Qb1+ 46. Bf1 Qe4 $19) 44... Qb1+ 45. Kh2 Ke5 $15) 42. Qb2 {[%mdl 8192] To avoid Qb3} (42. Kg1 $11 {and White is okay.}) 42... Qe3 $19 {( -> ...Nd3)} 43. b6 (43. Qf2 $19 Qc1+ 44. Qe1) 43... Nd3 {Weighted Error Value: White=0.67/Black=0.31} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.20"]
[Round "6.3"]
[White "Justin Matthias Baroi"]
[Black "Noshin, Anjum"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1575"]
[BlackElo "2017"]
[Annotator "NA RC"]
[PlyCount "86"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,75,-28,-45,-32,-31,-24,-81,-92,-112,-101,32767,32767,-110,-68,-161,-102,-156,-101,-128,-107,-114,-121,-120,-115,-125,-133,-132,-77,-70,-76,-73,-64,-116,-114,-93,-56,32767,32767,32767,32767,32767,-195,-213,-210,32767,-200,-215,-228,32767,32767,32767,32767,32767,32767,32767,32767,32767,-288,32767,32767,-331,-314,32767,32767,32767,32767,32767,32767,-539]} 1. d4 {[%emt 0:00:10]} d5 {[%emt 0:01:38]} 2. Nc3 {[%emt 0:00:35]} Nf6 {[%emt 0:00:12]} 3. Bf4 {[%emt 0:00:22]} e6 {[%emt 0:00:08]} 4. e3 {[%emt 0:00:43]} Bb4 {[%emt 0:00:32]} 5. Bd3 {[%emt 0:00:29]} c5 {[%emt 0:00:40]} 6. dxc5 {[%emt 0:02:12]} Nbd7 {[%emt 0:03:06]} 7. a3 {[%emt 0:06:11]} (7. Nge2 $11) 7... Bxc3+ {[%emt 0:01:14]} 8. bxc3 {[%emt 0:00:01]} e5 {[%emt 0:02:53]} 9. Bg3 {[%emt 0:07:51]} Qa5 {[%emt 0:00:23]} 10. Qd2 {[%emt 0:04:15] [#]} ({Don't go for} 10. Ne2 $2 e4 11. O-O (11. c6 $2 bxc6 12. O-O O-O $19) 11... exd3 12. cxd3 Nxc5 $19) 10... Qxc5 {[%emt 0:04:25]} ({Better is} 10... h5 $1 $17 {[%cal Rh5h4]} 11. h4 O-O) 11. Nh3 {[%emt 0:14:25]} (11. f4 $17) 11... O-O {[%emt 0:03:26]} 12. O-O {[%emt 0:03:17]} (12. f4 $142) 12... Re8 {[%emt 0:06:30]} 13. f3 {[%emt 0:06:59]} Nb6 {[%emt 0:06:27]} 14. Nf2 {[%emt 0:04:55]} e4 {[%emt 0:14:05]} 15. fxe4 {[%emt 0:02:32]} dxe4 {[%emt 0:00:39]} 16. Be2 {[%emt 0:00:24]} Be6 {[%emt 0:03:53]} 17. Qd4 {[%emt 0:04:24] [#]} Rac8 {[%emt 0:02:17]} (17... Qxd4 $142 $1 18. cxd4 Bc4) 18. Be5 {[%emt 0:06:27]} Bc4 {[%emt 0:04:44]} 19. Bxf6 {[%emt 0:09:44]} Bxe2 {[%emt 0:01:27]} 20. Rfe1 {[%emt 0:00:33]} gxf6 {[%emt 0:13:06]} 21. Rxe2 {[%emt 0:02:01] [#]} Qxc3 {[%emt 0:29:15]} (21... f5 $1 $17 22. Qxc5 Rxc5) 22. Rd1 {[%emt 0:04:06]} Qxd4 {[%emt 0:00:00]} 23. exd4 {[%emt 0:02:50]} f5 {[%emt 0:00:00]} 24. Nh3 {[%emt 0:00:47]} Nc4 {[%emt 0:00:00]} 25. a4 {[%emt 0:07:29]} Nd6 {[%emt 0:00:00]} 26. Nf4 {[%emt 0:00:43]} Rc4 {[%emt 0:00:00]} 27. Nd5 {[%emt 0:01:51]} Kg7 {[%emt 0:00:00]} ({Weaker is} 27... Rxa4 28. Nf6+ Kf8 29. Nxe8 Kxe8 30. Re3 $15) 28. a5 {[%emt 0:02:47]} Ra4 {[%emt 0:00:00]} 29. Re3 {[%emt 0:00:25]} Re6 {[%emt 0:00:00]} 30. Nf4 {[%emt 0:01:04]} Re8 {[%emt 0:00:00]} 31. Rg3+ {[%emt 0:01:02]} Kf8 {[%emt 0:00:00]} 32. Nh5 {[%emt 0:02:49]} Rc8 {[%emt 0:00:00]} ({Don't blunder} 32... Rxa5 $2 33. Rc3 $19) 33. c3 {[%emt 0:01:01]} Rac4 {[%emt 0:00:00]} 34. Nf6 {[%emt 0:00:40]} Rxc3 {[%emt 0:00:00]} 35. Rxc3 {[%emt 0:00:48]} Rxc3 {[%emt 0:00:00]} 36. Nd7+ {[%emt 0:00:29]} Ke7 {[%emt 0:00:00]} 37. Nc5 {[%emt 0:00:08]} Ra3 {[%emt 0:00:00]} 38. Rc1 $19 {[%emt 0:01:00]} Rxa5 {[%emt 0:00:00]} 39. Nxb7 {[%emt 0:00:15]} Nxb7 {[%emt 0:00:00]} 40. Rc7+ {[%emt 0:00:11]} Ke6 {[%emt 0:00:00]} 41. Rxb7 {[%emt 0:00:08]} e3 {[%emt 0:00:00]} 42. Rb1 {[%emt 0:00:20]} Kd5 {[%emt 0:00:00]} 43. Kf1 {[%emt 0:00:24]} Kxd4 {[%emt 0:00:00]} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.20"]
[Round "6.4"]
[White "Kazi Afsan Rawnak, Anan"]
[Black "Swarnavo Choudhury"]
[Result "0-1"]
[ECO "C05"]
[WhiteElo "1524"]
[BlackElo "1945"]
[Annotator "NA RC"]
[PlyCount "70"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,48,33,14,13,20,27,31,32767,32767,32767,-36,30,-20,-32,-37,-57,-20,-52,-69,32767,-54,32767,-50,-43,32767,-58,-62,-49,32767,-56,-92,-84,-85,-79,32767,32767,32767,-71,-75,32767,32767,-75]} 1. e4 {[%emt 0:00:27]} e6 {[%emt 0:00:20]} 2. d4 {[%emt 0:00:34]} d5 {[%emt 0:00:06]} 3. Nd2 {[%emt 0:00:44]} c5 {[%emt 0:00:25]} 4. Ngf3 {[%emt 0:00:24]} Nc6 {[%emt 0:02:07]} 5. c3 {[%emt 0:03:29]} Nf6 {[%emt 0:03:01]} 6. e5 {[%emt 0:02:55]} Ne4 {[%emt 0:04:04]} 7. Bd3 {[%emt 0:02:43]} Nxd2 {[%emt 0:05:33]} 8. Bxd2 {[%emt 0:05:06]} Qb6 {[%emt 0:01:21]} 9. Qb3 {[%emt 0:03:56]} ({White should play} 9. dxc5 $11 Qxb2 10. O-O) 9... Bd7 {[%emt 0:13:49]} (9... Qxb3 $142 10. axb3 cxd4) 10. Be3 {[%emt 0:04:32]} (10. dxc5 $142 Bxc5 11. O-O) 10... c4 {[%emt 0:10:36]} 11. Qxb6 {[%emt 0:01:07]} axb6 {[%emt 0:00:01]} 12. Bc2 {[%emt 0:01:50]} b5 $1 {[%emt 0:06:33]} 13. b4 {[%emt 0:05:07]} (13. a3 $142) 13... cxb3 {[%emt 0:11:01]} 14. Bxb3 {[%emt 0:00:21]} b4 {[%emt 0:01:14]} 15. Bd2 {[%emt 0:08:37]} Na5 {[%emt 0:00:47]} 16. O-O {[%emt 0:01:56]} bxc3 {[%emt 0:02:16]} 17. Bxc3 {[%emt 0:00:28]} Ba3 {[%emt 0:03:35]} 18. Rab1 {[%emt 0:05:41]} O-O {[%emt 0:03:45]} 19. Bb2 {[%emt 0:14:57]} Be7 {[%emt 0:09:18]} 20. Rfc1 {[%emt 0:05:37]} Rfc8 {[%emt 0:03:09]} 21. Rxc8+ {[%emt 0:07:52]} Rxc8 {[%emt 0:00:22]} 22. Rc1 {[%emt 0:00:27]} Nc4 {[%emt 0:02:07]} 23. Ba1 {[%emt 0:09:11]} h6 {[%emt 0:04:54]} 24. Rc2 {[%emt 0:03:10]} Bb4 $17 {[%emt 0:01:52]} 25. Bc3 {[%emt 0:02:06]} Na3 {[%emt 0:00:58]} 26. Bxb4 {[%emt 0:01:26]} Nxc2 {[%emt 0:00:08]} 27. Bc5 {[%emt 0:00:24]} Nxd4 {[%emt 0:00:43]} 28. Nxd4 {[%emt 0:00:46]} Rxc5 {[%emt 0:00:03]} 29. Kf1 {[%emt 0:00:27]} f6 {[%emt 0:00:21]} 30. f4 {[%emt 0:09:10]} Kf7 {[%emt 0:00:43]} 31. Ke2 {[%emt 0:00:00]} Bb5+ {[%emt 0:00:58]} 32. Kd2 {[%emt 0:00:00]} Bc4 {[%emt 0:00:20]} 33. f5 {[%emt 0:00:00]} Bxb3 {[%emt 0:02:14]} 34. axb3 {[%emt 0:00:00]} fxe5 {[%emt 0:00:50]} 35. fxe6+ {[%emt 0:00:00]} Kf6 {[%emt 0:00:52]} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.20"]
[Round "6.5"]
[White "Dibya, Das Gupta"]
[Black "Tahmidul, Haque"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1923"]
[BlackElo "1756"]
[Annotator "TA"]
[PlyCount "121"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,120,63,59,97,62,56,58,79,45,63,18,17,28,24,10,30,-4,-4,-6,0,-36,11,0,50,-16,-18,-14,29,41,62,58,52,38,59,62,54,60,66,65,62,49,245,253,248,254,262,256,258,241,247,258,286,281,285,286,353,352,342,325,353,320,316,258,295,257,322,316,299,181,181,175,181,174,249,257,249,244,227,205,270,204,272,273,343,301,293,276,297,323,425,425,455,315,425,269,268,269,354,264,377,377,487,468,29965,538,671,672,671,660,29999]} 1. Nf3 c5 2. g3 d5 3. Bg2 Nc6 4. d4 Nf6 5. O-O Bf5 6. c4 e6 7. Nc3 h6 {D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4.} 8. cxd5 exd5 9. Bf4 Be7 {[#] White is slightly better.} 10. Qb3 $146 (10. dxc5 {looks sharper.} Bxc5 11. Ne5 O-O 12. Nxd5 Nxd5 13. Bxd5 Nxe5 14. Bxe5 Qd7 15. Rc1) ({Predecessor:} 10. dxc5 Bxc5 11. Ne5 O-O 12. Nxd5 Nxd5 13. Bxd5 Qf6 14. Bxc6 bxc6 15. Rc1 Bb6 16. Rxc6 {½-½ (35) Barbalic,Z (1894)-Hulsman,E (1765) ICCF email 2020}) 10... Qb6 11. Qxb6 (11. Nxd5 $14 {is more appropriate.} Nxd5 12. Qxd5) 11... axb6 $11 12. Rfd1 O-O 13. a3 Rfe8 14. Kf1 Na5 15. Nd2 {Prevents Nb3.} cxd4 {[%cal Bc5d4,Bd4d3][%mdl 32]} 16. Nb5 g5 (16... d3 $15 17. Nc7 dxe2+ 18. Kxe2 Bxa3+ 19. Kf1 Bxb2) 17. Be5 {[%mdl 1024] White has compensation.} Bc2 (17... d3 $11 18. e3 Red8) 18. Rdc1 ({White should play} 18. Nc7 $14) 18... d3 {White should prevent ...Nc6.} 19. Nc7 {[%csl LRa8,LRd5,LRe8]} Ng4 (19... Nc6 $142 $1 20. Nxa8 (20. Nxe8 Rxe8 21. Bxf6 Bxf6 $15) 20... Nxe5) 20. Bd4 Nc6 21. e3 {[%cal Be2e3,Be3d4][%mdl 32]} Nxd4 22. exd4 {And now Re1 would win.} Bf6 {[%cal Oe8e2]} 23. Nf3 $1 {[%cal Bd2f3,Bf3e1,Be1c2,Bc2b4][%mdl 32] Black must now prevent h3.} (23. Nxe8 Rxe8 24. Re1 (24. Bxd5 Re2 $17) 24... Rxe1+ 25. Rxe1 Nxh2+ 26. Kg1 Ng4 $11) (23. Nxa8 Bxd4 24. Nf3 (24. Bxd5 Rxa8 25. Rxc2 dxc2 $17) (24. Nc7 $2 Re2 $19) 24... Bxb2 $15) (23. Bxd5 $2 {[#]} Re2 $1 24. Ne4 Ra5 $19) 23... h5 24. Nxa8 Rxa8 25. h3 Nh6 26. Ne1 $1 {[%csl LRc2,LRd5]} Bxd4 $2 {Black cannot hold the game after this.} ({Black should try} 26... Rc8 $14) 27. Nxc2 $18 Bxb2 28. Nb4 Bxc1 29. Rxc1 Rxa3 30. Rd1 (30. Nxd5 Nf5 31. Rd1 (31. Nxb6 h4 $18) 31... Nd6 32. Nxb6 Kg7 $18) 30... Nf5 31. Nxd3 h4 32. g4 (32. Bxd5 $6 hxg3 33. Ne5 (33. Bxb7 Kg7 $16) 33... Kg7 $16) 32... Ne7 33. Nb4 Kg7 34. Nxd5 Ng6 35. Rb1 {Prevents Rb3.} (35. Nxb6 Nf4 36. Rb1 (36. Bxb7 Rb3 $14) 36... Nxh3 37. Bxh3 (37. Bxb7 Ra2 $16) (37. Nd5 Ra5 $18) 37... Rxh3 $18) 35... Ne5 36. Ne3 ({Don't take} 36. Nxb6 Nd3 37. Nc4 Ra4 $18) (36. Rxb6 Ra1+ 37. Ke2 Ra2+ 38. Kd1 Rxf2 $18) 36... Nd3 37. Rd1 ({Resist} 37. Bxb7 Nf4 38. Bg2 Kf8) 37... b5 38. Bxb7 b4 39. Be4 Nf4 40. Bg2 b3 41. Rb1 b2 42. Be4 Rc3 (42... Ra4 {might work better.}) 43. Bc2 Nxh3 44. Rxb2 Nf4 45. Kg1 Kf6 46. Rb4 {[%cal Ob4f4] [#] Strongly threatening Rxf4+!} Ke5 47. Rb5+ Ke6 48. Kh2 f6 49. Rb6+ Ke5 50. Bf5 Rc1 51. Ng2 Nd5 52. Re6+ Kd4 53. Re4+ Kc5 54. Re8 {Rc8+ is the strong threat.} Kd4 55. Be6 {aiming for Rd8.} Nb4 (55... Rc6 $142 56. Bg8 Nb4) 56. Rd8+ Ke5 57. Bf5 {[%cal Of2f4] White threatens f4+! and mate.} Ra1 (57... Rc6 $18 58. f4+ gxf4 59. Nxh4 Rd6 60. Ng6+ Kd5 61. Nxf4+ Kc6) 58. Ne3 (58. f4+ $142 gxf4 59. Nxh4 Ra2+ 60. Kg1 Ra1+ 61. Kf2 Ra2+ 62. Kg1 Ra1+ 63. Kh2 Ra2+ 64. Kh1 Ra1+ 65. Kg2 Ra2+ 66. Kf1 Ra1+ 67. Ke2 f3+ 68. Nxf3+ Kf4 69. Rd4+ Kg3 70. Rxb4) 58... Ra2 59. Kg2 {White wants to mate with Nc4+.} h3+ 60. Kg3 {[%cal Re3c4]} h2 61. Nc4# {Weighted Error Value: White=0.30/Black=0.56} 1-0

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.20"]
[Round "6.6"]
[White "Souradip, Datta"]
[Black "Mortuza Mahathir, Islam"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1198"]
[BlackElo "1877"]
[Annotator "NA"]
[PlyCount "52"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,51,26,35,28,-1,0,-33,29,0,0,26,12,-91,32767,-126,-95,-100,-86,32767,32767,-143,-99,32767,-177,-240,-282,-294,-292,-520,-445,-483,-396,-619,-920,-1768,-552,-938,462,32767,32767,32767,32767,-29998,-29999,-29999]} 1. e4 {[%emt 0:00:30]} c5 {[%emt 0:00:08]} 2. Nf3 {[%emt 0:00:18]} e6 {[%emt 0:00:06]} 3. d4 {[%emt 0:00:34]} cxd4 {[%emt 0:00:06]} 4. Nxd4 {[%emt 0:00:44]} Nc6 {[%emt 0:00:07]} 5. Nc3 {[%emt 0:00:41]} Nf6 {[%emt 0:02:34]} 6. Bg5 {[%emt 0:01:37]} Be7 {[%emt 0:01:27]} 7. Nxc6 {[%emt 0:06:37]} bxc6 {[%emt 0:00:05]} 8. e5 {[%emt 0:00:11]} Nd5 {[%emt 0:00:07]} 9. Bxe7 {[%emt 0:00:09]} Qxe7 {[%emt 0:00:04]} 10. Nxd5 {[%emt 0:04:38]} (10. Qd4 $11) 10... exd5 {[%emt 0:01:16]} 11. Qd4 {[%emt 0:14:15]} (11. Qe2 $142) 11... d6 {[%emt 0:02:46]} 12. f4 {[%emt 0:00:19]} O-O {[%emt 0:01:39]} 13. O-O-O {[%emt 0:01:05]} dxe5 {[%emt 0:00:43]} 14. fxe5 {[%emt 0:01:15]} (14. Qxe5 $142 Qxe5 15. fxe5) 14... Re8 {[%emt 0:00:11]} (14... Be6 $142 15. Kb1 Rfb8) 15. Re1 {[%emt 0:00:51]} Be6 {[%emt 0:04:08]} 16. a3 {[%emt 0:07:16]} (16. Qf2 {might work better.}) 16... c5 {[%emt 0:01:35]} 17. Qd2 {[%emt 0:02:25]} Rab8 {[%emt 0:00:32]} 18. c3 $2 {[%emt 0:04:38]} (18. Re3 {might work better.}) 18... Rb6 {[%emt 0:02:13]} 19. Re2 {[%emt 0:01:45]} c4 {[%emt 0:02:07]} 20. Qd4 {[%emt 0:01:29]} Reb8 {[%emt 0:00:45]} 21. g3 {[%emt 0:06:55] [#]} Rb5 {[%emt 1:18:21]} 22. b4 Rxb4 $4 {[%emt 0:00:00]} 23. Rd2 {[%emt 0:43:48]} Rb2 24. Rxb2 {[%emt 0:00:00]} Qxa3 {[%emt 0:00:00]} 25. Qd2 {[%emt 0:00:00]} Qa1+ {[%emt 0:00:00]} 26. Kc2 {[%emt 0:00:00]} Rxb2# {[%emt 0:02:30]} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.21"]
[Round "7.1"]
[White "Subrota, Biswas"]
[Black "Manon, Reja Neer"]
[Result "1-0"]
[ECO "E97"]
[WhiteElo "2202"]
[BlackElo "2209"]
[Annotator "TA"]
[PlyCount "65"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 19,65,32,86,72,61,70,73,73,113,111,111,114,122,118,107,68,78,0,93,14,17,18,20,0,0,-20,6,21,67,0,172,29,277,268,269,279,264,214,669,468,451,444,510,508,491,460,428,418]} 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 O-O 6. Be2 e5 7. Be3 Nc6 8. O-O Ng4 9. Bg5 f6 10. Bh4 Qe8 {[#]} ({Black should try} 10... Nh6 $14) 11. c5 $146 {E97: King's Indian: Classical Main Line (6...e5 7 0-0 Nc6): 8 Be3 and 8 d5 Ne7, not 9 Ne1.} ({Predecessor:} 11. d5 Nd8 12. Rc1 h5 13. Nd2 Nh6 14. b4 Nhf7 15. Bg3 f5 16. exf5 Bxf5 17. Nde4 Qe7 18. f3 a5 {0-1 (57) Gunina,V (2427)-Tabatabaei,M (2629) Chess.com INT 2021}) 11... dxc5 12. h3 Nh6 {[%cal Rc5d4]} (12... exd4 $6 13. Nb5) 13. dxe5 {White is better.} (13. dxc5 Be6 $11) 13... fxe5 14. Nd5 Rf7 15. Ng5 {[%mdl 1024] White has strong compensation.} Rd7 16. Qa4 $1 Nf7 17. Bc4 {[%cal Be2c4,Bc4d5,Bd5f7][%mdl 32] White is much more active.} Kh8 $1 18. Nf3 (18. Rad1 $16) 18... h6 (18... g5 $1 $11 {remains equal.} 19. Bg3 (19. Nxg5 Nd6 $11) 19... Nd6) 19. Nf6 (19. Bb5 $1 $16 {[%cal Rb5c6]}) 19... Bxf6 $11 20. Bxf6+ Kh7 21. Qa3 b6 22. Bd5 {This bishop pair is nice.} Bb7 (22... Rd6 $5 {[%cal Rd6f6]} 23. Bh4 Be6 24. Bxc6 Rxc6 $15) 23. Nh2 $36 {[%mdl 2048] White has good play.} Rd6 {[#]} (23... Rxd5 $11 24. exd5 Nb4) 24. Bh4 (24. Ng4 h5 25. f4 (25. Qb3 $2 Nd4 $19) 25... hxg4 $17) (24. f4 $1 $14) 24... Kg7 $2 (24... g5 $11 {and Black stays safe.} 25. Bg3 Nh8) 25. Ng4 ({Only move:} 25. f4 $18 {Black must now prevent Bxf7.} Rxd5 26. exd5) 25... Bc8 $2 {[#] This costs Black the game.} (25... g5 $11 {and Black is okay.} 26. Bg3 Bc8) 26. f4 $1 $18 {Hoping for Bxf7.} Bxg4 27. Bxf7 (27. hxg4 exf4 28. Rxf4 Nfe5 $14) 27... Qd7 {Strongly threatening ...Rd3.} 28. hxg4 ({Less strong is} 28. Bd5 Be6 $16) 28... Qxg4 $2 {[#]} (28... Qxf7 $2 29. fxe5 Qe6 30. exd6 $18) (28... exf4 29. Bd5 (29. Rxf4 g5 $16) 29... Rf8) 29. Qg3 $1 {White is clearly winning.} Qxg3 30. Bxg3 Rd3 31. Bd5 Rxg3 32. Bxc6 Rd8 33. fxe5 {Weighted Error Value: White=0.31/Black=0.63} 1-0

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.21"]
[Round "7.2"]
[White "Zia, Tahsin Tajwar"]
[Black "Dibya, Das Gupta"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2283"]
[BlackElo "1923"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,105,0,0,0,0,0,17,-41,0,-12,7,0,88,85,60,60,60,25,31,26,90,51,94,16,86,72,142,102,92,91,97,74,85,95,97,100,108,115,109,108,104,109,145,97,243,232,239,240,229,240,238,237,235,228,243,222,230,226,343,329,394,394,379,266,343,334,324,320,310,195,325,283,397,380,405,396,421,414,562,559,1065,1116,681,920,639,693,850,834,29988,2119,29989,29990,29992,29993,29993,29990]} 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. Qc2 {E11: Bogo-Indian.} c6 {7...Nbd7 might become the main line.} 8. Nc3 Nbd7 9. h4 (9. b3 $11) 9... b6 (9... dxc4 $15 {was preferrable.} 10. O-O b6) 10. Ng5 Bb7 11. e4 {aiming for e5.} dxe4 (11... c5 $1 $11 12. e5 cxd4 13. exf6 Nxf6) 12. Ncxe4 $16 Re8 (12... h6 $6 13. O-O-O $11) 13. O-O-O h6 14. Nc3 {[%cal Og3g4] [#]} Nf8 $146 (14... hxg5 15. hxg5 g6 16. gxf6 Nxf6 17. Bf4 $18) ({Predecessor:} 14... Qc8 15. Be3 Bb4 16. Nge4 Be7 17. Bf4 Nxe4 18. Nxe4 Nf6 19. Nc3 Rd8 20. g4 Nxg4 {1-0 (33) Zia,T (2283)-Shawket Bin,O (2065) Dhaka 2022}) 15. Nge4 b5 (15... Qxd4 $11 {remains equal.} 16. Be3 (16. Bxh6 Qxc4 17. Bg5 Nxe4 $15) 16... Qe5) 16. Be3 {[%cal Oc3b5]} Ng4 {[#]} (16... Nxe4 $14 17. Nxe4 Qa5) 17. c5 ({Reject} 17. cxb5 $6 cxb5 18. Nf6+ Nxf6 $11) (17. Nc5 $1 $16 {[%cal Rc5b7]} Nxe3 18. fxe3) 17... a5 (17... b4 $11 18. Ne2 a5) 18. Bf4 a4 (18... b4 $142) 19. f3 Nf6 {[#]} 20. Nxf6+ $1 Bxf6 21. Ne4 a3 22. b3 Bxd4 {[#]} 23. Be5 $1 {[%mdl 64] Pin} Bb2+ 24. Bxb2 axb2+ {[%mdl 64] Discovered Attack} 25. Qxb2 Qa5 26. Kb1 Ra7 27. f4 ({White should play} 27. b4 Qa3 28. Rd2) 27... Ng6 {Loses the game.} (27... Rea8 $16) 28. Nd6 $18 Rd8 29. Nxb7 Rxb7 30. Bxc6 Rbb8 31. Be4 Ne7 32. b4 Qc7 33. Qe5 Qa7 34. Kb2 $40 {[%mdl 128] To avoid Qa3+. White attacks with force.} Qa4 {[#]} (34... Nd5 {might work better.}) 35. a3 $1 {[%mdl 512]} Nd5 (35... Qa7 36. Rhe1) 36. Bxd5 {The board is on fire.} exd5 37. Rhe1 Ra8 38. Rd3 {Active counter play!} Qa6 39. h5 Qc6 40. Red1 {[%cal Rd3d5,Be1d1,Bd1d2,Bd2e2,Be2e7][%mdl 32]} Qa6 (40... d4 {was worth a try.} 41. Qe2 (41. Rxd4 Rxd4 42. Qxd4 Qg2+ 43. Rd2 Qxg3 $16) 41... Rd5) 41. R1d2 Ra7 (41... d4 $142 42. Rf2 Kh8) 42. g4 Kf8 43. Re2 Qc6 44. g5 {Strongly threatening gxh6.} Rad7 45. Rde3 {[%cal Oe5e8] White threatens Qe8+! and mate.} Kg8 46. Qf5 {Intending Re8+ and mate.} Ra7 47. Re7 Rxe7 48. Rxe7 {KQR-KQR} Rf8 49. Qd7 Qa8 50. c6 (50. g6 $142 d4 51. c6 Rd8 52. gxf7+ Kf8 53. Qe6 Qxc6 54. Qxc6 Kxe7 55. Qc7+ Rd7 56. f8=Q+ Kxf8 57. Qxd7) 50... d4 51. g6 {[%cal Bg5g6,Bg6f7][%mdl 32] White mates.} Qb8 52. Rxf7 Rxf7 53. gxf7+ {Weighted Error Value: White=0.16 (very precise) /Black=0.66} 1-0

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.21"]
[Round "7.3"]
[White "Swarnavo Choudhury"]
[Black "Noshin, Anjum"]
[Result "1/2-1/2"]
[ECO "C78"]
[WhiteElo "1945"]
[BlackElo "2017"]
[Annotator "TA"]
[PlyCount "133"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 16,132,56,12,12,12,9,6,10,12,7,0,0,0,18,11,22,27,39,36,38,42,40,43,77,0,45,42,68,71,154,144,151,0,29,38,47,44,75,75,75,85,76,72,75,79,92,112,97,46,46,43,208,174,163,50,87,29,36,33,22,41,36,28,147,8,164,150,255,247,330,344,496,496,383,372,806,709,779,775,775,760,712,685,736,700,1297,949,762,295,5065,4971,5020,3039,1981,1801,1274,266,295,295,295,295,295,228,228,131,228,131,131,131,131,131,131,131,131,131,131,131,310]} 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 (9. a4 $14) 9... O-O $11 {C78: Ruy Lopez: Archangelsk and Möller Defences.} 10. Nbd2 Re8 {[#]} 11. Ng5 $146 ({Predecessor:} 11. a4 Rb8 12. axb5 axb5 13. Qe2 Bd7 14. dxe5 Nxe5 15. Nxe5 dxe5 16. Bxb6 Rxb6 17. Qe3 {½-½ (65) Vachier Lagrave,M (2763)-Aronian,L (2782) chess24.com INT 2021}) 11... Re7 {[%cal Re5d4] The position is equal.} 12. dxe5 dxe5 13. Bxb6 cxb6 14. Qe2 Bg4 15. Ngf3 Nh5 16. Rfd1 Rd7 17. Nf1 Nf4 18. Qe3 Rxd1 19. Rxd1 Qf6 20. Ng3 (20. h4 $1 $16) 20... Ne7 (20... g6 $11 {is superior.}) 21. Rd2 {[%cal Og3f5]} h5 22. Nf5 Re8 ({Better is} 22... Nxf5 23. exf5 Bxf5) 23. Nd6 $16 Rf8 {[%cal Of4g2]} 24. Nf5 $2 ({White should try} 24. Nxf7 $1 $16 Rxf7 25. Nxe5 $1 Qxe5 26. Rd8+ Kh7 27. Bxf7) 24... Nxf5 25. exf5 Bxf3 26. Qxf3 {Hoping for g3.} Qxf5 {[#]} 27. g3 $1 Nh3+ 28. Kg2 {[%cal Bg1g2,Bg2f3,Bf3e3][%mdl 32]} Qxf3+ 29. Kxf3 {[%mdl 4096] Endgame KRB-KRN} Kh7 30. Rd6 {[%mdl 1024] White has strong compensation.} Rb8 31. Ke3 f6 32. Rd7 (32. Bd5 $16) 32... Kh6 $14 33. Bd5 Ng5 $2 (33... f5 $14) 34. h4 $18 Nh7 {[#]} 35. Ra7 (35. Rb7 $1 $18 {[%cal Rb7b8]} Rxb7 36. Bxb7) 35... a5 36. Bc6 {White is more active.} (36. Rd7 $16) 36... b4 $11 37. cxb4 axb4 38. Ra4 Rc8 39. Be4 Rc4 (39... b3 $1 $11 {keeps the balance.}) 40. a3 (40. Ra6 $16) 40... Rd4 $2 (40... g6 $1 $11 {and Black stays safe.}) 41. Rxb4 $18 Rd6 (41... Rxb4 $16 42. axb4 Nf8) 42. Rc4 g6 43. Rc6 Rxc6 (43... Rd1 {might work better.} 44. Rxb6 Kg7) 44. Bxc6 {KB-KN} Nf8 45. Bd5 f5 $2 (45... g5 46. hxg5+ fxg5) 46. b4 Nd7 47. a4 Kg7 48. Kd3 Kf6 49. a5 {And now a6 would win.} bxa5 50. bxa5 f4 51. Bc6 Nb8 52. Bb7 g5 (52... fxg3 53. fxg3 Kf5) 53. Ke4 {Strongly threatening hxg5+.} fxg3 54. fxg3 {Intending hxg5+ and mate.} gxh4 55. gxh4 Ke6 56. a6 $2 (56. Bd5+ Kf6 57. Bc4) 56... Nxa6 57. Bxa6 {KB-KPP} Kf6 58. Bc4 Kg7 59. Kf5 Kh6 60. Bd3 (60. Bb5 $18 Kh7 61. Kxe5) 60... e4 (60... Kg7 $16) 61. Bxe4 {KB-KP} Kg7 62. Kg5 {Black must now prevent Bh1.} Kh8 63. Bf5 Kg7 64. Bg6 Kh8 65. Kh6 Kg8 66. Bf5 Kh8 67. Bh7 {Weighted Error Value: White=0.43/Black=0.42} 1/2-1/2

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.21"]
[Round "7.4"]
[White "Mortuza Mahathir, Islam"]
[Black "Md, Azmaeen Parvez Sayor"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "1877"]
[BlackElo "1920"]
[Annotator "TA"]
[PlyCount "105"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,105,-4,0,-35,9,-6,16,7,62,0,64,-16,69,-20,56,-45,67,-17,-17,-8,-25,-19,-7,-10,45,52,46,18,22,10,22,0,0,-28,0,-83,-63,-93,5,-26,20,4,65,-8,-15,-23,-23,-18,-16,-23,-23,-22,-22,-98,-20,-28,-20,-35,-13,-97,0,0,0,0,0,-62,-62,-69,-54,-100,-112,-487,-78,-78,-83,-83,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. Nf3 d6 6. Nc3 a6 7. a4 {A46: 1 d4 Nf6 2 Nf3 e6: Torre, London and Colle Systems.} Nd7 (7... Nc6 $15 {might be stronger.}) 8. Bc4 Qd8 9. Qe2 c5 {[#]} (9... c6 $11) 10. a5 $146 (10. d5 $1 $14) ({Predecessor:} 10. O-O-O Be7 11. g4 Qa5 12. h4 cxd4 13. Nxd4 Nc5 14. Nb3 Nxb3+ 15. Bxb3 Qe5 16. Kb1 {0-1 (34) Truskavetsky,A (2385)-Ajrapetian,G (2390) Elets 2009}) 10... Be7 (10... cxd4 $11 11. Nxd4 Nf6) 11. O-O (11. d5 $14) 11... O-O (11... cxd4 $11 12. Nxd4 Ne5) 12. Rfd1 (12. d5 $14) 12... Qc7 (12... cxd4 $11 13. Nxd4 (13. Rxd4 Nb8 $15) 13... Ne5) 13. h3 (13. d5 $14 e5 14. Nd2) 13... Nb8 (13... cxd4 $15 14. Nxd4 Ne5) 14. e5 {White is more active.} (14. d5 $14) 14... cxd4 $1 $11 15. exd6 Bxd6 16. Nxd4 Bb4 17. Ne4 e5 (17... Rd8 $11) 18. Nb3 Bf5 19. c3 (19. Bd5 $5 {[%cal Re2f3]}) 19... Be7 20. Nbd2 Nd7 21. b4 Kh8 22. Rac1 Bg6 23. Ng3 (23. Nf3 $1 $11 {was the only way to keep the balance.}) 23... Bg5 $17 {[%cal Oe5e4]} 24. Nge4 Be7 {A strong pair of Bishops.} (24... Bxe4 $17 25. Qxe4 f5) 25. Ng3 f5 (25... e4 $142) 26. Be6 $11 Rad8 (26... e4 $1 $11) 27. Nc4 ({Better is} 27. Qc4 $1 $14 Qb8 28. Ndf1) 27... e4 28. Rxd7 Rxd7 29. Bxd7 Qxd7 30. Ne5 {[%csl LRd7,LRg6]} Qe6 31. Nxg6+ Qxg6 32. Qc4 (32. Rd1 $11 {keeps the balance.}) 32... Bh4 ({Black should try} 32... e3 $1 $17 {Strongly threatening ...f4.} 33. Ne2 exf2+ 34. Kxf2 f4) 33. Qc5 Rf7 34. Qe5 Kh7 {[%cal Oe4e3]} 35. Ne2 (35. Rd1 $11 {remains equal.}) 35... Re7 (35... f4 $1 $17 {[%cal Rf4f3] White must now prevent ...f3.} 36. Rd1 (36. Nxf4 $2 Rxf4 37. Qxf4 Bg5 $19) 36... f3) 36. Qd5 Bg5 37. Rd1 f4 38. h4 ({White should play} 38. Kf1 $1 $11) 38... Bxh4 $15 ({Don't take} 38... f3 39. hxg5 fxe2 40. Re1 $14) 39. Nxf4 Qg4 40. Qd6 (40. g3 $15) 40... Rf7 $1 $17 41. g3 {[%mdl 8192]} (41. Nh3 $17) 41... Rxf4 $2 42. Qxf4 Qxd1+ 43. Kh2 {[#]} Bf6 (43... Bxg3+ $1 $17 44. Kxg3 Qd5) 44. Qxe4+ $11 {The position is equal.} Kg8 {Hoping for ...Qh5+.} 45. Qe8+ Kh7 46. Qe4+ Kh8 {Threatens to win with ...Qh5+.} 47. Qe8+ Kh7 48. Qe4+ Kg8 49. Qe8+ Kh7 50. Qe4+ Kg8 {And now ...Qh5+ would win.} 51. Qe8+ Kh7 52. Qe4+ Kh8 {aiming for ...Qh5+.} 53. Qe8+ {Weighted Error Value: White=0.49/Black=0.45} 1/2-1/2

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.21"]
[Round "7.5"]
[White "Siam, Chowdhury"]
[Black "Sakline Mostafa, Sajid"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1421"]
[BlackElo "2089"]
[Annotator "TA"]
[PlyCount "43"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 14,43,-28,-23,0,13,0,0,32,9,44,29,208,74,92,91,110,-124,-150,-135,-144,-140,-125,-140,-143,-267,-269,-265,-269,-652,-649,-781]} 1. e4 c5 2. Nc3 e6 3. g3 d5 4. exd5 exd5 5. Bg2 Nf6 6. d4 cxd4 7. Qxd4 Nc6 8. Qd1 Bc5 {...0-0 is the strong threat. B23: Closed Sicilian: Lines without g3.} 9. Nge2 O-O {And now ...d4 would win.} 10. O-O $1 Bg4 {The position is equal.} (10... d4 $5 {[%cal Rd4c3]} 11. Na4 Qa5 12. Nxc5 Qxc5 $11) 11. h3 Bf5 12. Bg5 {[%cal Rc3d5] [#]} Nb4 $146 {[#]} (12... h6 $11 {and Black stays safe.} 13. Bxf6 Qxf6) ({Predecessor:} 12... h6 13. Bxf6 Qxf6 14. Qxd5 Bb6 15. Ne4 Bxe4 16. Bxe4 Rfe8 17. Nc3 Re5 18. Qc4 Na5 19. Qe2 Rae8 {½-½ (57) Morrison,C-Carleton,J (2280) Ayr 1978}) 13. Rc1 (13. a3 $1 $18 {[%cal Ra3b4] is more deadly.} Nxc2 14. Rc1) 13... Be6 14. a3 Nc6 {[%cal Bb4c6,Bc6e5,Be5g4,Bg4e3][%mdl 32]} 15. Kh2 $2 {[#]} (15. b4 $16 Be7 16. Re1) 15... Ng4+ $1 $17 {[%mdl 512]} 16. hxg4 Qxg5 17. Nf4 {[#]} Ne5 $1 $36 {[%mdl 2048] Black is really pushing.} ({Worse is} 17... Bxg4 18. Qxd5 Qh6+ 19. Kg1 $17) 18. Bf3 Bxg4 {Black is more active.} 19. Bxg4 (19. Be2 $17) 19... Nxg4+ $19 20. Kg2 Bxf2 21. Rxf2 (21. Qf3 Be3 22. Rce1) 21... Ne3+ 22. Kg1 {Weighted Error Value: White=0.71/Black=0.39} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.21"]
[Round "7.6"]
[White "Mohammed, Sagar Ullah"]
[Black "Anower, Hossain"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1924"]
[BlackElo "1634"]
[Annotator "TA"]
[PlyCount "71"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,71,20,20,22,16,43,15,36,9,29,31,24,37,45,20,77,18,66,0,45,52,52,12,18,-32,-39,-34,-28,-38,-27,-30,-35,-26,-41,-38,93,84,92,106,127,123,916,367,427,419,502,310,331,325,386,361,599,513,5110,5110,1728,1677,29990,29991,29991,29992,29993,1617]} 1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 exd5 5. d4 Nf6 6. Bd3 cxd4 {B22: Sicilian: 2 c3.} 7. Nxd4 Be7 8. O-O O-O {The position is equal.} 9. Bf4 a6 10. Nd2 {[%cal Bb1d2,Bd2f3,Bf3e5][%mdl 32]} Nc6 11. N2f3 Bg4 {[#]} 12. Qc2 $146 ({Predecessor:} 12. Qb3 Na5 13. Qc2 Rc8 14. Ne5 Be6 15. Rfe1 Bc5 16. Nxe6 fxe6 17. Qe2 Nc6 18. Rad1 {1-0 (62) Sierra Cartaya,A (2030)-Santos Peraza,E (1606) Santa Clara 2019}) 12... Rc8 (12... Bd6 $11 13. Bg5 h6) 13. a3 {White is much more active.} (13. Nxc6 $1 $16 bxc6 14. Bxa6) 13... Bc5 (13... Bd6 $11 14. Bg5 Nxd4 15. Nxd4 h6) 14. Qb3 ({Better is} 14. Nxc6 $1 $14 bxc6 15. Ne5 (15. Bxa6 Bxf3 16. gxf3 Ra8 $11)) 14... b5 (14... Na5 $11 {deserves consideration.} 15. Qc2 Nc4) 15. Nxc6 $14 Rxc6 16. Ne5 Re6 {[%cal Of6h5]} 17. h3 {[#]} (17. Qc2 $11 Bh5 18. Bf5) 17... Nh5 $1 18. Bh2 {[#]} Bxh3 19. gxh3 {[#] aiming for Rae1.} Rxe5 {[%mdl 64] Decoy} 20. Bxe5 (20. Bxh7+ $2 Kxh7 21. Bxe5 Qg5+ 22. Kh1 Qxe5 23. Qc2+ Kg8 $19) 20... Qg5+ 21. Kh1 Qxe5 22. Rae1 Qf4 (22... Qg5 $15 {keeps the upper hand.} 23. Qd1 (23. Rg1 $2 Qh4 $19) 23... Nf4) 23. Qxd5 $16 Qh4 24. Qf5 {[%csl Gd3][%cal Rf5h7]} ({Don't play} 24. Qxc5 $6 Qxh3+ 25. Kg1 Qg4+ 26. Kh2 Qh4+ 27. Kg1 Qg4+ 28. Kh2 Qh4+ 29. Kg1 Qg4+ $11) 24... Nf4 {[%cal Og7g6] [#] White must now prevent ...g6!} 25. Re4 $1 g5 {[%mdl 8192] [#] Black cannot hold the game after this.} 26. Re5 (26. Rxf4 $142 $1 {[%mdl 512]} Qh5 27. Re4) 26... Nxd3 27. Qxd3 Bd6 28. Re4 {[%cal Be5e4,Be4d4,Bd4d7,Bd7d8][%mdl 32]} ({Not} 28. Qxd6 Qxh3+ 29. Kg1 Qg4+ 30. Kh2 Qf4+ 31. Kg2 (31. Kh1 Qh4+ 32. Kg2 Qg4+ 33. Kh2 Qh4+ 34. Kg2 Qg4+ 35. Kh2 $11) 31... Qg4+ 32. Kh2 Qh4+ 33. Kg2 Qg4+ 34. Kh2 $11) 28... Qh6 29. Rg1 f5 30. Rd4 Bc7 (30... Rf6 31. Rd1 Bf8) 31. Rd7 $18 Be5 (31... Qc6+ $142 32. f3 Qh6 33. Qd5+ Kh8 34. Qd4+ Rf6) 32. Qd5+ Kh8 33. Qxe5+ Rf6 34. Rd8+ {White mates.} Kg7 35. Qe7+ Kg6 36. Qxf6+ {Weighted Error Value: White=0.45/Black=0.70} 1-0

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.21"]
[Round "7.7"]
[White "Sajib, Das"]
[Black "Justin Matthias Baroi"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1816"]
[BlackElo "1575"]
[Annotator "NA RC"]
[PlyCount "186"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:10:37]} e6 {[%emt 0:00:20]} 2. d3 {[%emt 0:00:21]} d5 {[%emt 0:00:29]} 3. Nd2 {[%emt 0:00:03]} c5 {[%emt 0:01:16]} 4. Ngf3 {[%emt 0:00:06]} Nc6 {[%emt 0:00:16]} 5. g3 {[%emt 0:00:04]} Nf6 {[%emt 0:00:37]} 6. Bg2 {[%emt 0:00:14]} dxe4 {[%emt 0:00:29]} 7. dxe4 {[%emt 0:00:04]} e5 {[%emt 0:00:58]} 8. O-O {[%emt 0:00:10]} b5 {[%emt 0:00:53]} (8... Be6 $11 {remains equal.}) 9. Re1 {[%emt 0:00:19]} (9. a4 $16 b4 10. Nc4) 9... Bg4 {[%emt 0:00:57]} 10. h3 {[%emt 0:00:42]} Bh5 {[%emt 0:01:10]} 11. c3 {[%emt 0:01:01]} Bd6 {[%emt 0:01:40]} (11... Be7 $14) 12. Qc2 {[%emt 0:00:48]} (12. g4 $16 Bg6 13. g5) 12... Qb6 {[%emt 0:02:12]} (12... O-O $142) 13. a4 {[%emt 0:00:30]} ({White should try} 13. g4 Bg6 14. a4) 13... O-O {[%emt 0:03:21]} (13... Bxf3 $16 14. Bxf3 (14. Nxf3 b4 $16) 14... b4) 14. Nf1 {[%emt 0:01:09]} (14. Qd3 $18) 14... h6 {[%emt 0:02:11]} ({Black should try} 14... b4 $14) 15. g4 {[%emt 0:07:42]} Bg6 {[%emt 0:00:38]} 16. Ng3 {[%emt 0:00:03]} ({Resist} 16. Qd3 Na5 $14) ({White should play} 16. axb5 $16 Qxb5 17. Nh4) 16... a6 {[%emt 0:09:55]} 17. Nh4 {[%emt 0:09:33]} ({Better is} 17. Nf5 $16 Bxf5 18. exf5) 17... Rae8 {[%emt 0:03:12]} (17... c4 $11) 18. g5 {[%emt 0:02:11]} hxg5 {[%emt 0:02:37]} 19. Bxg5 {[%emt 0:00:03]} Re6 {[%emt 0:03:48]} (19... Be7 $1 $14) 20. axb5 {[%emt 0:05:11]} axb5 {[%emt 0:00:19]} 21. Red1 {[%emt 0:02:19]} (21. Nxg6 $16 fxg6 22. Be3) 21... Ne7 {[%emt 0:05:28]} (21... c4 $14) 22. Ngf5 {[%emt 0:03:54]} (22. Nhf5 $142 Re8 23. c4) 22... Bb8 $2 {[%emt 0:03:06]} (22... Nc8 $16 {is more resistant.}) 23. Rd3 $2 {[%emt 0:16:33]} (23. Bxf6 $18 gxf6 24. Rd7) 23... Bxf5 {[%emt 0:02:48]} 24. exf5 {[%emt 0:03:18]} Rd6 {[%emt 0:05:50]} 25. Rg3 {[%emt 0:07:46]} Rfd8 {[%emt 0:11:25]} 26. Qe2 {[%emt 0:02:26]} (26. Bxf6 $142 Rxf6 27. Be4) 26... Ned5 {[%emt 0:12:40]} 27. Bxd5 {[%emt 0:03:18]} ({Don't blunder} 27. Qxe5 $2 Re8 28. Qxe8+ (28. Bxf6 $2 Nxf6 29. Qxe8+ Nxe8 $19) 28... Nxe8 $19) 27... Rxd5 {[%emt 0:00:31]} 28. Bh6 {[%emt 0:00:24]} Ne8 {[%emt 0:00:30]} 29. f6 $2 {[%emt 0:07:10]} (29. Bg5 $1 $11 {and White has nothing to worry.}) 29... e4 $1 {[%emt 0:07:41]} ({Weaker is} 29... Qxf6 30. Bg5 Qe6 31. Bxd8 Rxd8 32. Rd3 $16 (32. Qxb5 e4 $11)) 30. Rg2 $2 {[%emt 0:05:39]} (30. Rg4 Qxf6 31. Be3) 30... Qxf6 {[%emt 0:01:43]} 31. Bxg7 {[%emt 0:04:16]} Nxg7 {[%emt 0:00:39]} 32. Qg4 {[%emt 0:00:28]} Bf4 {[%emt 0:04:17]} 33. Kh1 {[%emt 0:04:34]} Rg5 {[%emt 0:01:05]} 34. Qe2 {[%emt 0:00:37]} Rxg2 {[%emt 0:01:18]} 35. Nxg2 {[%emt 0:00:03]} Bb8 {[%emt 0:02:11]} 36. Qxe4 {[%emt 0:01:22]} Qe5 {[%emt 0:00:24]} 37. Qxe5 {[%emt 0:00:27]} Bxe5 {[%emt 0:00:06]} 38. f4 {[%emt 0:00:19]} Bf6 {[%emt 0:00:34]} 39. Ra6 {[%emt 0:00:19]} Ne8 {[%emt 0:01:22]} 40. Rb6 {[%emt 0:00:14]} b4 {[%emt 0:02:47]} 41. Rc6 {[%emt 0:00:33]} bxc3 {[%emt 0:00:47]} 42. bxc3 {[%emt 0:00:16]} Be7 {[%emt 0:01:09]} 43. Kg1 {[%emt 0:01:01]} Rd1+ {[%emt 0:01:42]} 44. Kf2 {[%emt 0:00:07]} Rd2+ {[%emt 0:00:14]} 45. Kf3 {[%emt 0:00:55]} Rd3+ {[%emt 0:00:10]} 46. Ne3 {[%emt 0:00:49]} Rxc3 {[%emt 0:01:09]} 47. Rc8 {[%emt 0:00:11]} Kf8 {[%emt 0:00:30]} 48. Ke4 {[%emt 0:00:11]} Rc1 {[%emt 0:01:16]} 49. Nd5 {[%emt 0:00:34]} Re1+ {[%emt 0:00:14]} 50. Kf5 {[%emt 0:01:13]} c4 {[%emt 0:00:51]} 51. Nc7 {[%emt 0:00:40]} Bd6 {[%emt 0:00:34]} 52. Nxe8 {[%emt 0:00:28]} Rxe8 {[%emt 0:00:04]} 53. Rxc4 {[%emt 0:00:03]} Kg7 {[%emt 0:00:32]} 54. Kg5 {[%emt 0:00:22]} Re3 {[%emt 0:01:29]} 55. Kg4 {[%emt 0:00:28]} Re1 {[%emt 0:00:37]} 56. Rd4 {[%emt 0:00:32]} Rg1+ {[%emt 0:00:15]} 57. Kf3 {[%emt 0:00:06]} Bb8 {[%emt 0:00:32]} 58. Rb4 {[%emt 0:00:05]} Bd6 {[%emt 0:00:34]} 59. Rd4 {[%emt 0:00:07]} Bc5 {[%emt 0:00:17]} 60. Rc4 {[%emt 0:00:32]} Be7 {[%emt 0:00:10]} 61. Re4 {[%emt 0:00:21]} Bf6 {[%emt 0:00:15]} 62. Kf2 {[%emt 0:00:36]} Rg6 {[%emt 0:01:45]} 63. Ra4 {[%emt 0:00:16]} Bh4+ {[%emt 0:00:28]} 64. Kf1 {[%emt 0:01:01]} Rg3 {[%emt 0:00:42]} 65. f5 {[%emt 0:01:51]} Bf6 {[%emt 0:00:28]} 66. Kf2 {[%emt 0:01:02]} Rxh3 {[%emt 0:00:14]} 67. Rg4+ {[%emt 0:00:15]} Kf8 {[%emt 0:00:19]} 68. Ra4 {[%emt 0:00:10]} Rh5 {[%emt 0:00:29]} 69. Ra5 {[%emt 0:00:32]} Bd4+ {[%emt 0:00:24]} 70. Kf3 {[%emt 0:00:03]} f6 {[%emt 0:00:36]} 71. Kg4 {[%emt 0:01:43]} Rg5+ {[%emt 0:00:07]} 72. Kf4 {[%emt 0:00:58]} Kg7 {[%emt 0:00:55]} 73. Rd5 {[%emt 0:00:15]} Bb2 {[%emt 0:00:54]} 74. Rb5 {[%emt 0:00:26]} Bc1+ {[%emt 0:00:43]} 75. Ke4 {[%emt 0:00:25]} Kh6 {[%emt 0:00:22]} 76. Rb1 {[%emt 0:00:34]} Ba3 {[%emt 0:00:43]} 77. Ra1 {[%emt 0:00:36]} Bb2 {[%emt 0:00:31]} 78. Rb1 $19 {[%emt 0:00:31]} Be5 {[%emt 0:00:09]} 79. Rh1+ {[%emt 0:00:57]} Kg7 {[%emt 0:00:09]} 80. Rb1 {[%emt 0:00:21]} Rg4+ {[%emt 0:00:21]} 81. Kd5 {[%emt 0:00:18]} Rf4 {[%emt 0:00:34]} 82. Ke6 {[%emt 0:00:10]} Rh4 {[%emt 0:01:43]} 83. Rb7+ {[%emt 0:00:23]} Kh6 {[%emt 0:00:22]} 84. Rb1 {[%emt 0:00:31]} Rg4 {[%emt 0:01:28]} 85. Rb7 {[%emt 0:01:00]} Rg8 {[%emt 0:00:36]} 86. Rb1 {[%emt 0:00:21]} Rg4 {[%emt 0:00:32]} 87. Rb7 {[%emt 0:00:09]} Rd4 {[%emt 0:00:13]} 88. Rb1 {[%emt 0:01:24]} Rd6+ {[%emt 0:00:20]} 89. Kf7 {[%emt 0:00:20]} Kg5 {[%emt 0:00:09]} 90. Rf1 {[%emt 0:01:21]} Bf4 {[%emt 0:00:23]} 91. Ke7 {[%emt 0:00:41]} Rb6 {[%emt 0:00:26]} 92. Kd7 {[%emt 0:00:32]} Kxf5 {[%emt 0:00:12]} 93. Rg1 {[%emt 0:00:35]} Rb3 {[%emt 0:01:03]} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.21"]
[Round "7.8"]
[White "Sajidul, Haque"]
[Black "Mortuza Muhtadi, Islam"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1766"]
[BlackElo "1485"]
[Annotator "NA RC"]
[PlyCount "156"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:05]} d5 {[%emt 0:00:07]} 2. exd5 {[%emt 0:00:08]} Nf6 {[%emt 0:00:05]} 3. d4 {[%emt 0:01:10]} Bg4 {[%emt 0:00:20]} 4. f3 {[%emt 0:03:08]} Bf5 {[%emt 0:00:04]} 5. Bb5+ {[%emt 0:03:04]} c6 {[%emt 0:08:05]} 6. dxc6 {[%emt 0:00:48]} bxc6 {[%emt 0:00:19]} 7. Bd3 {[%emt 0:01:50]} Bxd3 {[%emt 0:01:35]} 8. Qxd3 {[%emt 0:00:04]} e6 {[%emt 0:01:38]} 9. Nd2 {[%emt 0:03:55]} Be7 {[%emt 0:01:31]} 10. Ne4 {[%emt 0:00:43]} O-O {[%emt 0:00:15]} 11. Ne2 {[%emt 0:00:29]} Nxe4 {[%emt 1:22:01]} 12. fxe4 {[%emt 0:00:13]} c5 {[%emt 0:00:00]} 13. c3 {[%emt 0:01:36]} Nc6 {[%emt 0:00:00]} 14. O-O {[%emt 0:04:30]} cxd4 {[%emt 0:00:00]} 15. cxd4 {[%emt 0:00:46]} Nb4 {[%emt 0:00:00]} 16. Qd2 {[%emt 0:11:26]} Rc8 {[%emt 0:00:00]} 17. Nc3 {[%emt 0:02:43]} Qb6 {[%emt 0:00:00]} 18. Kh1 {[%emt 0:05:13]} Rfd8 {[%emt 0:00:00]} 19. Qf2 {[%emt 0:00:39]} f6 {[%emt 0:00:00]} 20. Rd1 {[%emt 0:01:48]} Rc7 {[%emt 0:00:00]} 21. a3 {[%emt 0:03:31]} Nc6 {[%emt 0:00:00]} 22. Be3 {[%emt 0:00:19]} Qb3 {[%emt 0:00:00]} 23. d5 {[%emt 0:02:24]} Ne5 {[%emt 0:00:00]} 24. Bf4 {[%emt 0:11:47]} Bc5 {[%emt 0:00:00]} 25. Qg3 {[%emt 0:01:23]} Qxb2 {[%emt 0:00:00]} 26. Na4 {[%emt 0:02:24]} Qf2 {[%emt 0:00:00]} 27. Nxc5 {[%emt 0:03:32]} Qxg3 {[%emt 0:00:00]} 28. Bxg3 {[%emt 0:05:15]} Rxc5 {[%emt 0:00:00]} 29. Bxe5 {[%emt 0:00:26]} fxe5 {[%emt 0:00:00]} 30. dxe6 {[%emt 0:00:08]} Rdc8 {[%emt 0:00:00]} 31. Kg1 {[%emt 0:03:03]} R5c6 {[%emt 0:00:00]} 32. e7 {[%emt 0:03:16]} Re8 {[%emt 0:00:00]} 33. Rd7 {[%emt 0:02:50]} a6 {[%emt 0:00:00]} 34. Rad1 {[%emt 0:09:12]} Kf7 {[%emt 0:00:45]} 35. R1d6 {[%emt 0:01:29]} Rc1+ {[%emt 0:00:16]} 36. Kf2 {[%emt 0:00:01]} Rc2+ {[%emt 0:00:19]} 37. Kf1 {[%emt 0:00:33]} Rc1+ {[%emt 0:00:20]} 38. Ke2 {[%emt 0:00:10]} Rc2+ {[%emt 0:00:04]} 39. Rd2 {[%emt 0:02:02]} Rxd2+ {[%emt 0:00:08]} 40. Kxd2 {[%emt 0:00:03]} Rxe7 {[%emt 0:00:06]} 41. Rd5 {[%emt 0:03:19]} Ke6 {[%emt 0:03:10]} 42. Kc3 {[%emt 0:02:15]} Rd7 {[%emt 0:03:31]} 43. Ra5 {[%emt 0:00:01]} Rd6 {[%emt 0:01:01]} 44. Rc5 {[%emt 0:00:40]} Rd4 {[%emt 0:02:48]} 45. Rc7 {[%emt 0:00:38]} Rd7 {[%emt 0:00:11]} 46. Rc4 {[%emt 0:01:01]} Kd6 {[%emt 0:02:07]} 47. Ra4 {[%emt 0:01:00]} Rc7+ {[%emt 0:00:11]} 48. Kd3 {[%emt 0:00:59]} Rc6 {[%emt 0:00:24]} 49. Ra5 {[%emt 0:00:19]} Ke6 {[%emt 0:00:24]} 50. a4 {[%emt 0:00:33]} Rd6+ {[%emt 0:01:28]} 51. Kc3 {[%emt 0:00:36]} Rc6+ {[%emt 0:00:26]} 52. Kb3 {[%emt 0:00:35]} Rb6+ {[%emt 0:00:14]} 53. Kc3 {[%emt 0:00:47]} Rc6+ {[%emt 0:02:00]} 54. Kd3 {[%emt 0:00:01]} Rd6+ {[%emt 0:00:11]} 55. Ke3 {[%emt 0:00:01]} Rb6 {[%emt 0:00:26]} 56. h4 {[%emt 0:00:59]} Rd6 {[%emt 0:00:21]} 57. Rc5 {[%emt 0:01:05]} h6 {[%emt 0:00:23]} 58. Rc7 {[%emt 0:01:14]} Kf6 {[%emt 0:00:43]} 59. a5 {[%emt 0:00:24]} g6 {[%emt 0:00:23]} 60. h5 {[%emt 0:01:56]} Kg5 {[%emt 0:00:41]} 61. hxg6 {[%emt 0:00:20]} Kxg6 {[%emt 0:00:02]} 62. Rb7 {[%emt 0:00:21]} Kf6 {[%emt 0:00:33]} 63. Kf3 {[%emt 0:00:57]} Kg5 {[%emt 0:00:50]} 64. Rb6 {[%emt 0:00:57]} Rf6+ {[%emt 0:00:28]} 65. Ke3 {[%emt 0:00:43]} h5 {[%emt 0:00:41]} 66. Kd3 {[%emt 0:02:13]} Rf2 {[%emt 0:00:49]} 67. Rxa6 {[%emt 0:00:57]} Rxg2 {[%emt 0:00:01]} 68. Ra8 {[%emt 0:00:53]} Ra2 {[%emt 0:00:10]} 69. Kc4 {[%emt 0:00:38]} h4 {[%emt 0:00:17]} 70. Kd5 {[%emt 0:00:20]} Kf4 {[%emt 0:02:38]} 71. Rf8+ {[%emt 0:01:12]} Ke3 {[%emt 0:00:00]} 72. Ra8 {[%emt 0:00:00]} Kf4 {[%emt 0:00:00]} 73. a6 h3 {[%emt 0:01:30]} 74. Re8 {[%emt 0:00:52]} Ke3 {[%emt 0:00:30]} 75. Rh8 {[%emt 0:00:36]} Ra5+ {[%emt 0:00:00]} 76. Ke6 {[%emt 0:00:14]} Rxa6+ {[%emt 0:00:00]} 77. Kxe5 {[%emt 0:00:07]} Ra5+ {[%emt 0:00:00]} 78. Kd6 {[%emt 0:00:22]} Kxe4 {[%emt 0:02:00]} 1/2-1/2

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.22"]
[Round "8.1"]
[White "Zia, Tahsin Tajwar"]
[Black "Subrota, Biswas"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "2283"]
[BlackElo "2202"]
[Annotator "TA"]
[PlyCount "143"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,143,0,4,-7,0,-10,-8,-22,0,0,-2,0,7,-21,-9,-24,-6,-10,22,8,8,8,8,9,9,13,7,7,49,39,50,54,50,-9,-8,-10,-14,-6,0,0,0,0,0,0,18,16,108,112,117,0,9,19,32,28,23,31,25,0,0,0,34,21,102,99,118,99,92,106,99,106,108,118,362,341,269,62,56,15,104,65,120,127,131,137,151,135,140,63,27,19,70,-12834,-12835,-12835,-12835,-12836,-12836,-12837,-12837,-12833,-118,-12836,0,0,0,-12836,-12836,-12837,-12836,-29982,-29983,-29983,-29984,-12845,-12845,-29989,-29990,-29992,-29993,-29993,-12845,-12845,-12842,-12843,-12841,-12841,-12842,-12842,-12842,-12842,-12843,-12844,-12844,-12846,-12847,-12847]} 1. Nf3 Nf6 2. b3 d5 3. Bb2 Bf5 4. e3 h6 5. Be2 e6 6. d3 {A06: Réti Opening: 1 Nf3 d5.} Nbd7 7. Nbd2 {[%cal Bb1d2,Bd2f1,Bf1g3][%mdl 32]} Bd6 8. a3 {[#] The position is equal.} a5 $146 ({Predecessor:} 8... c6 9. e4 dxe4 10. dxe4 Bxe4 11. Nxe4 Nxe4 12. Bxg7 Rg8 13. Qd4 Nxf2 14. Qxd6 Nxh1 {1-0 (58) Fejzovski,E (2123)-Morel,J (1925) Pau 2007}) 9. O-O O-O 10. Re1 e5 11. Nf1 (11. e4 $5 dxe4 12. dxe4 Bxe4 13. Nxe4 Nxe4 14. Bc4 $11) 11... Re8 12. Ng3 Bg4 13. e4 dxe4 14. dxe4 Nh5 15. Nxh5 Bxh5 16. Nd2 Bg6 17. Nc4 Bc5 {[%cal Od8h4]} 18. Bg4 Nf6 (18... Qh4 $11 {is more appropriate.} 19. Bxd7 Bxf2+ 20. Kf1 (20. Kh1 Rad8 $15) 20... Re7) 19. Bf3 $14 Nd7 20. Qd2 Nb6 21. Qe2 (21. Qxd8 $14 Raxd8 22. Nxa5 (22. Nxe5 Rd2 $14)) 21... Nxc4 $11 22. Qxc4 Qe7 23. Red1 c6 24. a4 Rad8 25. g3 b6 26. Kg2 Rxd1 27. Rxd1 Rd8 (27... Kh8 $11 {remains equal.}) 28. Rxd8+ $16 Qxd8 29. Bc3 {Prevents Qd2.} (29. Bxe5 $16 Qd2 30. Be2) 29... Qd6 $11 30. h4 Kf8 31. h5 Bh7 32. Qa6 $36 {[%mdl 2048] White has some pressure.} Qb8 {To avoid Qa8} 33. Qd3 Qd6 {To avoid Qd7} 34. Qa6 Qb8 {Inhibits Qc8+.} 35. Be1 f6 (35... g5 $11) 36. c3 $1 $16 {[%cal Bc2c3,Bc3b4,Bb4b5][%mdl 32]} Bg8 37. b4 axb4 38. cxb4 Bd4 39. Bg4 {Prevents Be6.} Ke7 40. a5 $1 Bf7 $2 (40... Bh7 $16 {is a better defense.}) 41. b5 $18 Bc4 42. axb6 $2 (42. Bb4+ $1 $18 Kf7 43. axb6 Bxb6 44. Be2 $1 {[%mdl 512]}) 42... Bxb6 $14 43. Qa3+ (43. Bb4+ $14 {feels stronger.} c5 44. Bd2) 43... Qd6 (43... c5 $11) 44. Qa8 cxb5 (44... c5 $1 $14) 45. Qh8 $1 $16 Bf7 46. Qxg7 Bc5 (46... b4 $2 47. Bf5 (47. Qxh6 b3 $16) 47... Bc5 48. Bg6 $18 (48. Qxh6 b3 $11)) 47. Qxh6 {Threatens to win with Qh7.} Qd3 48. Bf3 ({Better is} 48. Qh7 $16 Qb1 49. h6 $1 Qxe1 50. Qf5) 48... b4 $14 49. Qg7 {h6 is the strong threat.} Qb1 (49... Qd8 $11) 50. Kf1 $2 {[%mdl 8192]} (50. Bd2 $14 Qc2 51. Be2 $1 (51. Be1 Qb1 $16)) 50... b3 $19 51. h6 b2 {[%cal Ob1e1] ( -> ...Qxe1+!)} 52. h7 {[#]} Qxe1+ $1 {[%mdl 576] Clearance, Promotion} 53. Kxe1 b1=Q+ 54. Bd1 Qb2 $2 (54... Bb4+ $2 55. Kf1 Qxd1+ 56. Kg2 $18) (54... Qxe4+ $19 55. Kf1 Qh1+ 56. Ke2 Qe4+ 57. Kf1 Qf5) 55. Be2 $2 {[%mdl 8192] [#]} (55. Bh5 $17 Qxf2+ 56. Kd1 Qd4+ 57. Kc2 Qxe4+ 58. Kd1 Qd4+ 59. Ke2 Qf2+ 60. Kd1 Qg1+ 61. Kc2 Qh2+ 62. Kc3 (62. Kd3 {is a self mate.} e4+ 63. Kxe4 Qxh5 64. Kf4 Qe5+ 65. Kf3 Qe3+ 66. Kg2 Qg1+ 67. Kh3 Qh1+ 68. Kg4 f5+ 69. Kxf5 Qf3+ 70. Ke5 Qc3+ 71. Ke4 Qxg7 72. h8=B Qxh8 73. Kf3 Be6 74. Ke2 Qc3 75. Kf1 Qf3+ 76. Ke1 Bb4#) 62... Bd4+ 63. Kb4 Qb2+ 64. Ka5 Qc3+ 65. Kb5 Qc5+ 66. Ka4 Qc4+ 67. Ka5 Qd5+ 68. Kb4 Qd6+ 69. Kb5 Qb8+ 70. Ka4 Qa7+ 71. Kb5 Qc5+ 72. Ka4 Qc4+ 73. Ka5 Qd5+ 74. Kb4 Qb7+ 75. Ka4 Qa8+ 76. Kb4 Qb8+ 77. Ka4 Qe8+ 78. Ka3 Qa8+ 79. Kb4 Qb8+ 80. Ka4) 55... Qc1+ $2 ({Black should play} 55... Qa1+ $1 $19 56. Kd2 Qd4+ 57. Kc2 Bb4 58. Qxf7+ Kxf7) 56. Bd1 $11 Qb2 $2 {[%mdl 8192]} (56... Bb4+ $2 57. Kf1 Qxd1+ 58. Kg2 $18) (56... Qc4 $11 57. Be2 Qc1+ 58. Bd1 Qb2 59. Qxf6+ Kxf6 60. h8=Q+ Ke7 61. Qh4+ Kd7) 57. Be2 $1 $19 {[#] Black keeps a firm grip on the game.} Qa1+ $1 58. Bd1 Qd4 {[%csl Gc5,LRe4,LRf2][%cal Rd4f2]} 59. Qxf6+ Kxf6 {[%csl Gc5][%cal Rd4f2]} 60. h8=Q+ Ke7 {[%csl Gc5][%cal Rd4f2]} 61. Qh4+ Kd7 {[%csl Gc5][%cal Rd4f2]} 62. Bg4+ Kc7 63. Qf6 Qxe4+ 64. Kf1 Bc4+ (64... Qh1+ $142 65. Ke2 Bc4+ 66. Kd2 Qd5+ 67. Kc3 Qd3+ 68. Kb2 Ba3+ 69. Ka1 Qf1+ 70. Bd1 Qxd1#) 65. Kg1 {Black is clearly winning.} Qe1+ 66. Kh2 Qxf2+ 67. Qxf2 Bxf2 68. Kg2 Bd4 69. Bf5 Bd5+ 70. Kf1 Bf3 71. g4 Be3 72. Ke1 {Weighted Error Value: White=0.48/Black=0.40} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.22"]
[Round "8.2"]
[White "Manon, Reja Neer"]
[Black "Swarnavo Choudhury"]
[Result "1/2-1/2"]
[ECO "A12"]
[WhiteElo "2209"]
[BlackElo "1945"]
[Annotator "TA"]
[PlyCount "159"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,159,16,17,45,32,52,40,76,24,33,26,26,27,48,33,54,47,51,54,105,82,96,72,118,129,152,131,152,154,140,89,105,87,218,111,236,152,121,137,192,105,137,151,208,108,115,44,47,50,54,41,38,51,47,24,68,74,71,64,73,73,72,67,74,70,94,67,147,143,145,138,163,147,201,115,104,96,99,90,125,113,127,133,156,156,156,119,168,80,94,84,130,98,211,162,150,60,63,83,218,181,352,262,282,303,310,285,257,257,236,156,119,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-29995,0,0]} 1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. e3 O-O 5. c4 c6 6. Be2 d5 7. O-O a5 {A12: English Opening: 1...c6 with b3 by White.} 8. d3 Bf5 {[#]} 9. Nbd2 $146 ({Predecessor:} 9. Nc3 Na6 10. Na4 b5 11. cxb5 cxb5 12. Nc3 b4 13. Na4 Bd7 14. Rc1 Bxa4 15. bxa4 {½-½ (88) Slaba,A (1921)-Puchart,V (2076) Slovakia 2018}) 9... a4 {White is slightly better.} 10. Nh4 (10. bxa4 $16 Qa5 11. h3) 10... Be6 11. b4 a3 12. Bc3 Nbd7 13. Rb1 Nb6 14. Rb3 dxc4 15. dxc4 Ra4 (15... Na4 $14) 16. Bd4 Nfd7 17. Qc1 Ne5 (17... f6 $142) 18. Rd1 $16 Qc7 19. f4 (19. Rxa3 Rxb4 20. f4 Nbxc4 $14) 19... Ng4 20. Bxg7 Kxg7 21. Nhf3 (21. Rxa3 Rxa3 22. Qxa3 Ra8 23. Qc3+ f6 $16) (21. Ne4 $142) 21... c5 22. bxc5 (22. Rxa3 $6 cxb4 23. Rb3 Nf6 $11) 22... Qxc5 (22... Nd7 $16) 23. Qc3+ (23. Nd4 $18 Bd7 24. Qb1) 23... Kg8 (23... Nf6 $16 {was necessary.}) 24. Qd4 Nd7 25. Rxb7 Qc6 (25... Ngf6 $16 26. Rdb1 Qd6) 26. Rbb1 (26. Rdb1 $18) 26... Rc8 27. Ng5 Nc5 {[#]} (27... h5 $16 28. Bf3 Qd6 29. Qxd6 exd6 30. Nxe6 fxe6) 28. h3 {Chess con chili.} (28. Nb3 $1 $18 {[%cal Rb3c5]} Nf6 29. Nxc5 Qxc5 30. Qxc5 Rxc5 31. Rd8+ Kg7 32. Nxe6+ fxe6 33. g4) 28... Nf6 29. e4 {Inhibits Bf5.} (29. Ndf3 $16) 29... h6 $14 30. Nxe6 Nxe6 31. Qe3 Qc5 32. Qxc5 Nxc5 33. e5 (33. Bf3 {seems wilder.} Nd3 34. f5 Nb2 35. Re1 e6 36. fxe6 fxe6 37. e5) 33... Nfe4 (33... Nh5 $1 $11) 34. Nxe4 Nxe4 35. Rb3 $36 {[%mdl 2048] Inhibits Nc3. White has good play.} Nc5 36. Rb5 {White is more active.} Kg7 37. Kh2 Ne4 {Threatens to win with ...Nc3.} 38. Rc1 {Prevents Nc3.} Nc5 39. Kg3 Ra7 (39... Ne4+ $14 40. Kh2 Ra7) 40. Kf3 f6 41. Ke3 Rd7 42. Ra5 Ne6 (42... h5 $16 43. Rd1 (43. Rxa3 Rdc7 $16) 43... Rxd1 44. Bxd1 fxe5) 43. exf6+ ({Don't play} 43. Rxa3 $6 fxe5 44. g3 (44. fxe5 Rc5 $14) (44. Bg4 exf4+ 45. Ke4 Ng5+ 46. Ke5 Rc5+ 47. Kxf4 Rd2 $11) 44... exf4+ 45. gxf4 Rd6 $16) (43. Bg4 $18 f5 44. Bf3) 43... exf6 $16 44. Rxa3 Re8 45. Bf1 Nc5+ 46. Kf2 Rd2+ 47. Kg1 Re7 48. Ra5 Rc7 49. Rb1 Ne6 (49... Rc2 $16 50. Ra8 h5) 50. Rb6 (50. Ra8 $18) 50... Nxf4 51. Raa6 Rf7 ({Better is} 51... Rd1) 52. a4 {[%cal Ba2a4,Ba4a5][%mdl 32]} Rc2 (52... g5 $16 {was called for.}) 53. a5 $18 g5 54. Rd6 (54. Rb1 $16) 54... Re7 $14 55. Rd1 {To avoid Re1. Black must now prevent Ra8.} ({Don't go for} 55. Rxf6 $2 Re1 56. Rxf4 gxf4 57. Ra7+ Kf6 $19) 55... Ne2+ {[#]} (55... h5 $16) 56. Kh2 $1 $18 ({Inferior is} 56. Bxe2 Rexe2 57. Kh1 Rxg2 58. Rd7+ Kg6 $17) 56... h5 $2 (56... Nf4 57. Ra1 f5) 57. Re1 g4 {( -> ...g3+)} 58. hxg4 hxg4 59. Rxe2 Rexe2 60. Bxe2 Rxe2 {[%mdl 4096] Endgame KR-KR} 61. Rc6 Kg6 62. Rc8 ({White should play} 62. a6 $16) 62... Kg5 $11 63. Kg3 {And now c5 would win.} Re3+ 64. Kf2 Ra3 65. Rc5+ Kf4 {Strongly threatening ...g3+.} 66. g3+ Ke4 67. Rc6 Ra2+ 68. Ke1 Rxa5 69. Rxf6 Ke3 {[%cal Ra5a1]} 70. Kd1 Ra1+ 71. Kc2 Rg1 72. c5 {c6 is the strong threat.} Rxg3 73. c6 {Intending c7 and mate.} Rh3 74. Kc3 g3 75. Kc4 g2 76. Rg6 Kf2 77. c7 Rh8 {Hoping for ...Rc8.} 78. Kc5 g1=Q 79. Rg5 $2 {[%mdl 8192]} Qg3 $2 80. Rxg3 {Both players deserved the win here.  Weighted Error Value: White=0.20 (precise) /Black=0.30} 1/2-1/2

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.22"]
[Round "8.3"]
[White "Noshin, Anjum"]
[Black "Mortuza Mahathir, Islam"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2017"]
[BlackElo "1877"]
[Annotator "TA"]
[PlyCount "55"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 22,55,28,11,39,31,47,42,50,33,64,43,52,46,58,14,22,18,40,41,42,19,68,82,47,45,53,51,52,50,192,187,246,242,321,286]} 1. e4 c5 2. Nf3 {[%cal Bg1f3,Bf3d4,Bd4b5][%mdl 32]} e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. Bd3 dxe4 10. Nxe4 Nxe4 11. Bxe4 Qxd1+ 12. Kxd1 O-O {B45: Sicilian Four Knights.} 13. Be3 f5 14. Bxc6 bxc6 {[#] White is slightly better.} 15. Kc1 $146 ({Predecessor:} 15. Kd2 e5 16. Kc3 Be6 17. Rhe1 Bd5 18. Bc5 Rfe8 19. g3 Bf3 20. b4 e4 21. a4 {½-½ (28) Diaz,J-Schneider,D Hessen 1991}) 15... e5 16. Rd1 Be6 17. b3 a5 18. f3 (18. a4 $14 {feels stronger.}) 18... a4 $11 19. Kb2 axb3 20. cxb3 Bd5 21. b4 (21. Bc5 $5 {[%cal Rc5f8]}) 21... f4 (21... Ra4 $11) 22. Bc5 $14 Rfe8 23. Rd2 e4 24. fxe4 Rxe4 25. a4 {[%cal Ba3a4,Ba4a5,Ba5a6][%mdl 32]} f3 ({Black should try} 25... h5 $14) 26. gxf3 $18 Rf4 (26... Re5 {was worth a try.} 27. a5 Ra6) 27. a5 Bc4 28. a6 {Weighted Error Value: White=0.08 (flawless) /Black=0.38} 1-0

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.22"]
[Round "8.4"]
[White "Sakline Mostafa, Sajid"]
[Black "Mohammad Shafiqul, Islam"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "2089"]
[BlackElo "1720"]
[Annotator "TA"]
[PlyCount "91"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,91,45,46,47,40,41,33,26,37,38,27,59,66,85,22,126,125,170,153,216,192,187,179,310,276,579,572,615,574,683,672,764,749,800,786,773,778,735,723,1690,1235,1196,1183,1696,896,826,743,1360,918,1402,680,29994,29995,29995,29996,29996,29995,29997,29996,29998,29994,29996,29995,29996,29995,29995,29993,29993,29993,29995,29994,29994,29994]} 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 c5 7. Nge2 Nc6 8. d5 Ne5 9. Ng3 e6 10. Be2 exd5 11. cxd5 h5 {A65: Modern Benoni: 6 e4.} 12. O-O Bd7 13. h3 {[#] Threatens to win with f4.} h4 $146 {White is slightly better.} ({Predecessor:} 13... b5 14. f4 Nc4 15. Bxc4 bxc4 16. Qe2 Re8 17. Qxc4 Rb8 18. e5 Rb4 19. Qd3 dxe5 20. fxe5 Rxe5 21. Bxc5 Rxb2 {½-½ (34) Snihur,P (2124)-Karwowski,K (2003) Lazy 2015}) 14. Nh1 b5 $1 15. Nxb5 Bxb5 16. Bxb5 Rb8 {[#]} 17. Qe2 (17. a4 $1 $16) 17... Qb6 {Black is on the road to losing.} (17... Nh5 $1 $11 {keeps the balance.}) 18. a4 $16 Rfc8 (18... a6 $16 {is a better defense.}) 19. b4 g5 (19... Ned7 $16 20. Rab1 Qd8) 20. bxc5 dxc5 21. Bxg5 Ng6 (21... a6 $142) 22. Rad1 (22. Nf2 Nh5 $16) 22... Qd6 $2 (22... c4+ {is more resistant.} 23. Be3 Qa5 24. Bxc4 Qxa4) 23. f4 $18 c4 24. Nf2 {aiming for e5.} Nh7 25. e5 Qc5 26. e6 f6 {[#]} 27. f5 $1 {Be3 is the strong threat.} Nxg5 28. fxg6 Qd6 29. e7 Qg3 30. e8=Q+ Rxe8 31. Bxe8 Bf8 32. Bf7+ Kg7 33. d6 (33. Ne4 Nxe4 34. d6 (34. Qxe4 $2 Bc5+ 35. Rd4 c3 $19) (34. Qxc4 {gets mated.} Rb2) 34... Bxd6 35. Rxd6 (35. Qxe4 Qh2+ 36. Kf2 Rb2+) 35... Nxd6 $11) 33... f5 34. Kh1 c3 35. Qd3 c2 36. Qd4+ {White mates.} Kh6 37. Qh8+ Nh7 38. Qxh7+ Kg5 {[#]} 39. g7 $1 cxd1=Q (39... Qxg2+ 40. Kxg2) 40. g8=Q+ Kf6 41. Qgg6+ Ke5 42. Qxg3+ hxg3 43. Nxd1 Kxd6 44. Qxf5 Bg7 45. Qg6+ Kc7 46. Qxg3+ {Weighted Error Value: White=0.12 (very precise) /Black=0.71} 1-0

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.22"]
[Round "8.5"]
[White "Souradip, Datta"]
[Black "Mohammed, Sagar Ullah"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1198"]
[BlackElo "1924"]
[Annotator "TA"]
[PlyCount "106"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 10,105,45,16,35,24,44,22,38,51,42,34,36,9,30,25,33,20,25,23,47,29,87,11,12,15,31,14,26,15,49,22,40,-29,-34,-66,4,16,21,10,14,0,1,0,25,0,22,0,42,13,9,0,6,7,8,0,27,0,54,61,72,0,87,33,89,0,12,-7,33,0,81,46,57,0,0,0,0,0,0,0,0,0,0,-147,-158,-177,-127,-132,172,-557,-482,-776,-502,-1193,-1190,-29998,-29999,-29999]} 1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. c3 Nf6 5. d3 d6 6. h3 h6 {C55: Two Knights: 4 d3, 4 d4 exd4 5 e5 and Max Lange Attack.} 7. Nbd2 a6 (7... Na5 {is more complex.} 8. Bb5+ c6 9. Ba4 O-O 10. O-O c5) 8. a4 {[#]} Be6 $146 {The position is equal.} ({Predecessor:} 8... Na5 9. Ba2 b6 10. b4 Nb7 11. Nf1 Bd7 12. Ng3 a5 13. bxa5 bxa5 14. Qb3 Be6 15. Qxb7 Rb8 16. Qa6 Ra8 17. Qb5+ Bd7 18. Qb3 Rb8 19. Qxf7# {1-0 (19) Van Lindt,R (1049)-Eisenmenger,T (1191) Magdeburg 2016}) 9. Bxe6 fxe6 10. Nc4 O-O 11. Ne3 Nh7 (11... d5 $5 {[%cal Rd5e4]}) 12. O-O Qe8 13. b4 Qg6 14. Ng4 Rf7 15. Be3 Raf8 (15... Ng5 $11 16. Nxg5 Bxg5) 16. Nd2 (16. b5 $16 h5 17. Ngh2 (17. bxc6 hxg4 18. hxg4 bxc6 $11)) 16... Bg5 $11 17. Qe2 Bf4 18. Kh1 Nb8 19. Nh2 h5 20. Nhf3 Nd7 21. Nh4 (21. g3 $14) 21... Qh6 $1 22. Bxf4 Rxf4 (22... exf4 $15 23. b5 g5) 23. Nhf3 g5 24. g3 R4f7 25. Qe3 Qg7 26. Nh2 b6 27. Rab1 Kh8 28. c4 Qf6 (28... g4 $11) 29. Ra1 Rb8 30. Rab1 Rff8 31. Kg2 Qg7 32. Kg1 Qe7 33. Kg2 Ra8 (33... Qg7 $11) 34. Nb3 $14 Rab8 35. Nd2 (35. a5 $16) 35... Ndf6 (35... Ra8 $11) 36. Ndf3 ({White should play} 36. c5 $1 $16) 36... Qg7 ({Better is} 36... Nd7 $14) 37. Nd2 (37. c5 $1 $16) 37... Nd7 $11 38. Ndf3 Rfd8 39. Rfc1 (39. h4 {is interesting.} gxh4 40. Nxh4 Nhf6 41. N2f3 Rg8 42. Rh1) 39... c5 (39... g4 $11 40. hxg4 hxg4) 40. bxc5 $1 $16 Nxc5 {[%cal Bd7c5,Bc5a4,Ba4c5,Bc5e4,Be4f2][%mdl 32]} 41. Rb4 ({White should try} 41. g4 $14) 41... a5 $11 42. Rb5 Nxa4 43. d4 {Black must now prevent Qb3.} g4 44. hxg4 hxg4 45. Nxg4 Qxg4 46. dxe5 (46. Rh1 $11 {remains equal.} exd4 47. Nxd4) 46... Nc5 $17 47. exd6 Rxd6 (47... Qxe4 $19 48. Qxe4 Nxe4) 48. Ne5 Qg7 {[%mdl 8192] [#]} ({Inferior is} 48... Qxe4+ 49. Qxe4 Nxe4 50. Nf7+ Kg7 51. Nxd6 Nxd6 52. Rb2 $15) (48... Qh5 $17 49. Rxc5 bxc5 50. Qxc5 Rd2 51. Nf7+ Qxf7 52. Qe5+ Kg8 53. Qxb8+ Kg7 54. Qe5+ Kg6) 49. Qc3 {[%mdl 8192]} (49. Qxc5 $1 $18 {[%mdl 512] is the narrow road to win.} bxc5 50. Rxb8+ Nf8 {[#]} 51. Rxf8+ $1 {[%mdl 512]} Qxf8 52. Ng6+ Kg8 53. Nxf8 Kxf8 54. Ra1) 49... Kg8 50. Qb2 (50. Nf3 $142 Qxc3 51. Rxc3) 50... Nxe4 51. c5 (51. Nf3 $142 Rf8 52. Qxg7+ Kxg7 53. Re5) 51... Rd2 $19 52. Qa1 Qxg3+ 53. Kh1 Nxf2# {Weighted Error Value: White=0.60/Black=0.41} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.22"]
[Round "8.6"]
[White "Dibya, Das Gupta"]
[Black "Junaeid, Jahir"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1923"]
[Annotator "ChessBase"]
[PlyCount "65"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. d4 {[%emt 0:00:03]} d5 {[%emt 0:18:17]} 2. Bf4 {[%emt 0:00:04]} Nc6 {[%emt 0:00:27]} 3. e3 {[%emt 0:00:19]} Bf5 {[%emt 0:00:32]} 4. c3 {[%emt 0:00:22]} a6 {[%emt 0:00:28]} 5. Nd2 {[%emt 0:00:43]} e6 {[%emt 0:00:19]} 6. Ngf3 {[%emt 0:00:17]} h6 {[%emt 0:07:01]} 7. Bg3 {[%emt 0:00:59]} Nf6 {[%emt 0:00:31]} 8. Ne5 {[%emt 0:00:14]} Nxe5 {[%emt 0:01:27]} 9. dxe5 {[%emt 0:00:08]} Nd7 {[%emt 0:00:09]} 10. Qf3 {[%emt 0:01:27]} Bc5 {[%emt 0:02:38]} 11. e4 {[%emt 0:00:13]} dxe4 {[%emt 0:03:05]} 12. Nxe4 {[%emt 0:00:09]} Bb6 {[%emt 0:00:06]} 13. Bd3 {[%emt 0:01:08]} Qe7 {[%emt 0:00:56]} 14. Qe2 {[%emt 0:01:45]} Ba7 {[%emt 0:01:16]} 15. O-O-O {[%emt 0:10:05]} O-O-O {[%emt 0:01:08]} 16. f4 {[%emt 0:01:57]} f6 {[%emt 0:00:49]} 17. exf6 {[%emt 0:03:56]} Nxf6 {[%emt 0:00:39]} 18. Nf2 {[%emt 0:06:03]} Bxf2 {[%emt 0:03:01]} 19. Bxf5 {[%emt 0:01:45]} Bxg3 {[%emt 0:01:44]} 20. hxg3 {[%emt 0:00:33]} Rde8 {[%emt 0:02:21]} 21. Rhe1 {[%emt 0:00:26]} Kb8 {[%emt 0:04:59]} 22. Bxe6 {[%emt 0:02:08]} g6 {[%emt 0:01:55]} 23. g4 {[%emt 0:01:18]} Rhf8 {[%emt 0:03:17]} 24. f5 {[%emt 0:02:02]} gxf5 {[%emt 0:03:06]} 25. gxf5 {[%emt 0:00:27]} Nh7 {[%emt 0:03:59]} 26. Rd5 {[%emt 0:09:49]} Rd8 {[%emt 0:07:04]} 27. Red1 {[%emt 0:05:23]} Qg5+ {[%emt 0:02:38]} 28. Kc2 {[%emt 0:01:25]} Ka7 {[%emt 0:00:54]} 29. Qc4 {[%emt 0:01:13]} Qxg2+ {[%emt 0:00:46]} 30. R1d2 {[%emt 0:00:09]} Qg3 {[%emt 0:00:58]} 31. Rxd8 {[%emt 0:00:32]} Rxd8 {[%emt 0:03:02]} 32. Rxd8 {[%emt 0:00:08]} Nf6 {[%emt 0:02:16]} 33. Qd4+ {[%emt 0:03:00]} 1-0

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.22"]
[Round "8.7"]
[White "Md, Azmaeen Parvez Sayor"]
[Black "Tahmidul, Haque"]
[Result "1/2-1/2"]
[ECO "B47"]
[WhiteElo "1920"]
[BlackElo "1756"]
[Annotator "TA"]
[PlyCount "60"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 24,60,58,54,70,62,54,61,60,36,52,68,58,0,52,48,79,0,41,45,41,0,0,0,0,0,0,0,0,-12,0,0,0,-17,0,0,0,-39,0]} 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 Nf6 8. O-O Nxd4 9. Qxd4 Bc5 10. Bf4 d6 11. Qd2 h6 12. Rad1 e5 13. Be3 Bxe3 {B47: Sicilian: Taimanov: 5 Nc3 Qc7 6 f4, 6 g3 and 6 Be2.} 14. fxe3 Be6 15. Qxd6 Rc8 {White is slightly better.} 16. Qa3 Qc5 17. Qxc5 Rxc5 18. h3 {[#]} (18. Rd6 $14) 18... Nd7 $146 (18... Ke7 $11) ({Predecessor:} 18... Ke7 19. Rd2 Rhc8 20. Rff2 Rxc3 21. bxc3 Bxa2 22. Rf1 Rxc3 23. Ra1 Be6 24. Kf2 Nd7 {0-1 (54) Gurel,E (2168)-Andreikin,D (2726) Chess.com INT 2020}) 19. Rf2 Nb6 {[%cal Bd7b6,Bb6a4,Ba4c3][%mdl 32]} 20. Re2 (20. Nd5 $16 Nc4 21. c3 (21. b4 Rc8 $11)) 20... Rxc3 21. bxc3 $14 {[#] Hoping for Rb1.} Na4 22. Red2 (22. Rf2 $1 $14) 22... Ke7 $1 $11 23. c4 Nc3 {To avoid Rb1} 24. Ra1 Bxc4 25. a4 Rc8 26. h4 Rc6 {[%mdl 1024] Black has compensation.} 27. Bh3 Rc7 {Inhibits Rd7+.} 28. Bg2 Rc6 29. Bh3 {[#] And now Rd7+ would win.} Rc7 {Inhibits Rd7+.} 30. Bg2 Rc6 {Weighted Error Value: White=0.19 (very precise) /Black=0.12 (very precise)} 1/2-1/2

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.22"]
[Round "8.8"]
[White "Mortuza Muhtadi, Islam"]
[Black "Justin Matthias Baroi"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1485"]
[BlackElo "1575"]
[Annotator "NA RC"]
[PlyCount "65"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:11:17]} e6 {[%emt 0:00:19]} 2. d3 {[%emt 0:00:05]} d5 {[%emt 0:00:23]} 3. Qe2 {[%emt 0:00:05]} b6 {[%emt 0:09:01]} 4. g3 {[%emt 0:00:15]} Bb7 {[%emt 0:00:21]} 5. Bg2 {[%emt 0:00:06]} c5 {[%emt 0:04:50]} 6. Nf3 {[%emt 0:01:16]} Bd6 {[%emt 0:04:08]} 7. e5 {[%emt 0:08:08]} Bf8 {[%emt 0:07:23]} 8. c4 {[%emt 0:01:31]} Ne7 {[%emt 0:07:48]} 9. Nh4 {[%emt 0:05:09]} Nbc6 {[%emt 0:08:44]} 10. Na3 {[%emt 0:08:36]} Nd4 {[%emt 0:07:26]} 11. Qd1 {[%emt 0:07:25]} Ng6 {[%emt 0:13:04]} 12. Nxg6 {[%emt 0:05:38]} hxg6 {[%emt 0:00:11]} 13. O-O {[%emt 0:00:42]} Be7 {[%emt 0:06:14]} 14. Nc2 {[%emt 0:04:14]} Nf5 {[%emt 0:05:35]} 15. Ne3 {[%emt 0:03:05]} Rb8 {[%emt 0:00:38]} 16. Nxf5 {[%emt 0:06:33]} gxf5 {[%emt 0:00:31]} 17. Qa4+ {[%emt 0:04:01]} Kf8 {[%emt 0:02:08]} 18. Qxa7 {[%emt 0:06:56]} Qc7 {[%emt 0:00:49]} 19. Qa4 {[%emt 0:04:43]} Ra8 {[%emt 0:01:09]} 20. Qb3 {[%emt 0:00:34]} dxc4 {[%emt 0:02:09]} 21. dxc4 {[%emt 0:03:17]} Bxg2 {[%emt 0:02:36]} 22. Kxg2 {[%emt 0:00:15]} Qb7+ {[%emt 0:00:10]} 23. f3 {[%emt 0:01:24]} g5 {[%emt 0:00:33]} 24. Be3 {[%emt 0:04:45]} Kg7 {[%emt 0:00:58]} 25. Rh1 {[%emt 0:03:22]} g4 {[%emt 0:01:53]} 26. Bf4 {[%emt 0:00:38]} Rad8 {[%emt 0:01:05]} 27. Rad1 {[%emt 0:02:20]} Qxf3+ {[%emt 0:01:58]} 28. Qxf3 {[%emt 0:00:09]} gxf3+ {[%emt 0:00:04]} 29. Kxf3 {[%emt 0:00:15]} Rxd1 {[%emt 0:00:03]} 30. Rxd1 {[%emt 0:00:05]} Rxh2 {[%emt 0:00:07]} 31. Rd2 {[%emt 0:00:07]} Rxd2 {[%emt 0:02:40]} 32. Bxd2 {[%emt 0:00:01]} f6 {[%emt 0:00:59]} 33. Bf4 {[%emt 0:00:48]} 1/2-1/2

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.23"]
[Round "9.1"]
[White "Subrota, Biswas"]
[Black "Noshin, Anjum"]
[Result "1/2-1/2"]
[ECO "D42"]
[WhiteElo "2202"]
[BlackElo "2017"]
[Annotator "TA"]
[PlyCount "39"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 20,21,23,14]} 1. c4 c6 2. e4 d5 3. exd5 cxd5 4. d4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. cxd5 Nxd5 8. Bd3 O-O 9. O-O Nc6 10. Re1 Bf6 11. a3 {[#]} {Predecessor:} Nxc3 $146 {D42: Queen's Gambit Declined: Semi-Tarrasch: 5 cxd5 Nxd5 6 e3 Nc6 7 Bd3 .} 12. bxc3 b6 13. h4 Bb7 14. Ng5 g6 15. Qg4 h5 16. Qf4 Bxg5 17. hxg5 e5 18. Qg3 exd4 19. Bb2 Qd5 20. c4 {½-½ (31) Parligras,M (2616)-Kryvoruchko,Y (2692) Heraklion 2017} 1/2-1/2

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.23"]
[Round "9.2"]
[White "Mohammed, Sagar Ullah"]
[Black "Sakline Mostafa, Sajid"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1924"]
[BlackElo "2089"]
[Annotator "TA"]
[PlyCount "87"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,87,13,43,-8,-4,-7,14,22,9,18,57,39,41,12,5,19,30,0,0,-2,0,-13,163,162,162,158,160,149,167,148,146,146,149,145,163,158,167,148,166,164,160,159,172,164,202,204,219,228,241,199,196,188,391,366,635,634,615,624,740,597,714,689,983,941,2061,838,841,814,1066,1058,5730,5731,5714,5410,5297,2754,5743,5739]} 1. e4 c5 2. Nf3 {[%cal Bg1f3,Bf3d4,Bd4b5][%mdl 32]} e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 d6 7. Be3 {B45: Sicilian Four Knights.} (7. Bf4 $1 $14) 7... a6 $11 8. Nd4 e5 (8... Be7 {is interesting.} 9. Be2 O-O 10. O-O Qc7 11. a3 d5) 9. Nxc6 {The position is equal.} bxc6 10. Bc4 {Prevents d5.} Bb7 {[#] Strongly threatening ...d5.} 11. Bb3 $146 ({Predecessor:} 11. Bg5 h6 12. Bxf6 Qxf6 13. O-O Qf4 14. g3 Qg5 15. h4 Qg6 16. Qf3 f6 17. h5 Qg5 18. Rad1 {0-1 (45) Nogueira,E-Beringuy,A Guanabara 2000}) 11... Be7 12. O-O O-O 13. Qe2 d5 {White must now prevent ...d4.} 14. exd5 (14. Rad1 $5 {[%cal Re4d5]}) 14... cxd5 {And now ...d4 would win.} 15. Bg5 d4 16. Rad1 Nd7 {This move loses the game for Black.} (16... Qa5 $11 17. Ne4 Nxe4 18. Bxe7 Rfe8) 17. Bxe7 $18 Qxe7 {[#]} 18. Rxd4 {[%mdl 512]} Nf6 (18... Rae8 19. Rd2) 19. Re1 {White is more active.} Qc7 20. Rdd1 ({But not} 20. Qxe5 $2 Rae8 21. Qxe8 Rxe8 $19) 20... Rfe8 21. Nd5 Bxd5 22. Bxd5 Rad8 23. Bb3 {[%cal Bd5b3,Bb3a4,Ba4b5,Bb5e2][%mdl 32]} a5 24. h3 e4 25. Ba4 Rf8 26. c4 h5 27. a3 Rxd1 28. Rxd1 ({Resist} 28. Bxd1 $6 Qc5 $16) 28... Qc5 29. Bb5 h4 30. Qe3 Qe5 31. Qd4 Qf4 (31... Qxd4 {keeps fighting.} 32. Rxd4 Rb8) 32. c5 {[%cal Bc4c5,Bc5c6,Bc6c7][%mdl 32]} Nh5 $2 (32... Rb8 33. Ba6 Kh7) 33. Be2 {White is clearly winning.} Nf6 34. b4 {[%cal Bb2b4,Bb4b5][%mdl 32]} g5 35. Qe3 Qe5 36. b5 Rb8 37. c6 Nd5 38. Qd4 (38. Qc5 $142) 38... Qxd4 39. Rxd4 {KRB-KRN} Nb6 40. c7 Re8 41. Rd8 Kf8 42. Rxe8+ Kxe8 43. Bg4 e3 44. fxe3 {Weighted Error Value: White=0.16 (very precise) /Black=0.44} 1-0

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.23"]
[Round "9.3"]
[White "Swarnavo Choudhury"]
[Black "Dibya, Das Gupta"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1945"]
[BlackElo "1923"]
[Annotator "TA"]
[PlyCount "200"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 9,200,44,41,7,12,12,6,9,18,6,12,14,62,40,55,27,28,26,22,-20,-16,-16,-16,-14,-27,-18,16,16,14,0,0,0,19,0,0,0,0,0,5,0,0,0,0,0,0,0,0,0,0,0,0,0,10,8,14,16,23,9,21,22,28,0,0,0,43,38,38,38,39,0,52,0,39,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 Bg4 {[%cal Bc8g4,Bg4h5,Bh5g6][%mdl 32]} 6. Bc4 {B01: Scandinavian Defence.} c6 7. Be3 e6 ({Not} 7... Qb4 {[#]} 8. Bxf7+ $1 {[%mdl 512]} Kxf7 9. Ne5+ Kg8 10. Nxg4 $18) 8. h3 Bh5 9. g4 Bg6 10. Ne5 {[#]} Ne4 $146 (10... Nbd7 $11 {deserves consideration.}) ({Predecessor:} 10... Nbd7 11. Nxg6 hxg6 12. Qf3 Nb6 13. Bb3 Nbd5 14. Ne4 Nxe4 15. Qxe4 a5 16. c4 Nf6 {0-1 (57) Stromboli,E (2308)-Djordjevic,V (2350) Chess.com INT 2020}) 11. Nxe4 {White is more active.} (11. Qf3 {with more complications.} Nxc3 12. bxc3 Nd7 13. Nxg6 hxg6 14. Rb1) 11... Bxe4 12. f3 Bd5 13. Bxd5 Qxd5 14. Qd2 (14. O-O $142) 14... Nd7 $11 15. Nxd7 Qxd7 (15... Qxf3 $2 16. Rf1 Qg3+ 17. Bf2 Qxh3 18. Ne5 $18) 16. c4 Be7 17. O-O-O Qc7 18. Kb1 O-O-O 19. Bf4 Bd6 20. Be3 Rhe8 21. Qc2 g6 22. Rhe1 Bf4 23. Qe4 Bxe3 24. Qxe3 Rd7 25. Rd3 Red8 26. Red1 b6 27. Qe4 Kb7 28. h4 Qd6 29. g5 Qe7 30. a3 f6 31. f4 f5 32. Qf3 Kc7 33. Qe3 Rd6 34. b4 Qd7 35. c5 Rd5 36. Ka2 {[%cal Bb1a2,Ba2b2,Bb2c3][%mdl 32]} b5 (36... a5 $11 {feels stronger.}) 37. Kb2 $14 Kb7 38. Qd2 Qg7 {[%cal Oa7a5]} 39. Qe3 Qd7 40. Qd2 Qg7 {[%cal Oa7a5]} 41. Kc3 {[%cal Oa3a4]} a5 $1 {The position is equal.} 42. Kb2 a4 43. Kc3 Qf7 {[%cal Oe6e5] [#] aiming for ...e5!} 44. Kb2 Qg8 45. Re1 Qf7 46. Re5 Rxe5 47. dxe5 Rd5 48. Rxd5 exd5 $11 {[%mdl 4096] Endgame KQ-KQ} 49. Qd4 Kc7 50. Kc3 Kd7 51. Qe3 Ke6 52. Kd4 Qg8 53. Qg3 Qh8 54. Qh3 h6 {Hoping for ...hxg5.} 55. Qg3 {[%cal Oh4h5] Strongly threatening h5!} h5 56. Qe1 Qa8 57. Qg3 Qb8 58. Qe3 Qc8 59. Qd3 Qd8 60. Qe2 Qe8 61. Qe3 Qf8 62. Qe2 Qf7 63. Qe3 Kd7 64. Qe2 Qe6 65. Qe3 Ke8 66. Qe2 Kf7 67. Qe3 Kg8 68. Qe2 Kh7 69. Qe3 Kg7 70. Qe2 Kf7 71. Qe3 Ke7 72. Qe2 Kd7 73. Qd1 Kc7 74. Qe2 Kb7 75. Qf3 Ka7 76. Qd1 Ka8 77. Qe1 Kb8 78. Qd1 Kc8 79. Qe2 Kd8 80. Qd1 Ke8 81. Qe2 Kf8 82. Qd1 Kg8 83. Qe2 Kh8 84. Qd1 Kh7 85. Qe2 Kg7 86. Qd1 Kf7 87. Qe2 Ke7 88. Qd1 Kd7 89. Qe2 Kc7 90. Qd1 Kb7 91. Qe2 Ka7 92. Qd1 Ka6 93. Qe2 Kb7 94. Qd1 Kc8 95. Qe2 Kd7 96. Qd1 Ke8 97. Qe2 Kf7 98. Qd1 Kg8 99. Qe2 Kh7 100. Qd1 Kh8 {Weighted Error Value: White=0.06 (flawless) /Black=0.03 (flawless)} 1/2-1/2

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.23"]
[Round "9.4"]
[White "Mortuza Mahathir, Islam"]
[Black "Manon, Reja Neer"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "1877"]
[BlackElo "2209"]
[Annotator "TA"]
[PlyCount "40"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 11,40,36,57,20,43,36,36,27,43,21,16,-2,23,10,22,0,44,0,26,7,17,19,22,10,17,8,22,-770,40,31,2576]} 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 d3 5. Bxd3 d6 6. h3 Nf6 7. Nbd2 {C44: Ponziani Opening and Scotch Gambit.} Be7 8. Nb3 O-O 9. O-O Ne5 {[#]} 10. Nxe5 $146 (10. Bc2 {keeps more tension.} c5 11. Re1 Qc7 12. Bf4 b5 13. Nbd2) ({Predecessor:} 10. Bc2 b6 11. Re1 Bb7 12. Nbd4 g6 13. Bh6 Re8 14. b3 Nxf3+ 15. Qxf3 d5 16. e5 {0-1 (25) Arnold,K (1727)-Todorovic,B (2280) Chess.com INT 2021}) 10... dxe5 11. Be3 Bd6 12. Qe2 Qe7 13. Rfd1 Be6 (13... h6 $11) 14. Bc2 (14. Na5 $14) 14... Nd7 15. Nd2 Rfd8 16. Nc4 Bc5 17. Bxc5 Qxc5 18. Ne3 Nf6 19. Rd4 $2 {[%mdl 8192] [#]} Rd6 $2 (19... exd4 $19 20. Nd1 Qg5 21. cxd4 Rxd4) 20. Rxd6 $14 Rd8 $2 {[%mdl 40960] Weighted Error Value: White=0.64/Black=0.60. An unexpected result.} 1/2-1/2

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.23"]
[Round "9.5"]
[White "Justin Matthias Baroi"]
[Black "Md, Azmaeen Parvez Sayor"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1575"]
[BlackElo "1920"]
[Annotator "TA"]
[PlyCount "107"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]

{[%evp 12,107,-12,-21,-10,-85,26,31,34,40,58,70,49,-9,11,8,81,39,62,81,63,46,88,64,68,85,83,54,60,51,72,66,68,44,58,44,35,24,34,33,28,36,48,41,55,16,42,22,16,-29,0,0,0,0,49,48,81,0,0,0,0,0,0,0,0,0,0,0,0,0,0,-9,-9,-9,0,0,0,0,0,0,0,0,0,-18,-18,-18,0,-7,0,-18,-18,-18,-18,-18,-18,-18,-18,-18]} 1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 Nd4 6. a4 e6 7. O-O Ne7 {B23: Closed Sicilian: Lines without g3.} 8. Ne2 {[#]} (8. e5 $11) 8... a6 (8... Nxf3+ $1 $17 9. Rxf3 O-O) 9. Nexd4 $11 cxd4 {White is slightly better.} 10. Bd3 {[#]} O-O $146 ({Predecessor:} 10... d5 11. e5 Nc6 12. b3 f6 13. Qe2 O-O 14. Ba3 Re8 15. Rae1 Bf8 16. Bxf8 Rxf8 {1-0 (23) Gershenov,B (2061)-Hansen,E (1729) Oslo 2010}) 11. Qe1 Nc6 12. c3 (12. e5 $14) 12... d5 13. e5 dxc3 (13... Qb6 $11) 14. dxc3 (14. bxc3 $16 Re8 15. Ba3) 14... d4 15. Be4 dxc3 16. Qxc3 Ne7 {[#]} (16... Bd7 $14) 17. Be3 $1 $16 Nd5 18. Bxd5 exd5 19. a5 {White is much more active. Black has bad knights.} Be6 20. Bc5 Re8 21. Rac1 Qd7 22. Qd4 Rec8 23. Rc3 Rc7 24. Rfc1 Rac8 25. b4 h6 26. Nd2 Bf5 27. Nf1 Rc6 28. Ne3 Be4 29. h3 (29. Rd1 $5 {[%cal Rd4e4]} Rd8 30. Bb6 Rxc3 31. Qxc3 $11) 29... Qe6 30. Nc4 f6 (30... Bxg2 $5 31. Kxg2 dxc4 $15) 31. Qe3 fxe5 32. Nxe5 Bxe5 (32... R6c7 $1 $11) 33. fxe5 $14 Qxe5 34. Bd4 ({Better is} 34. Qxh6 $16 Rf6 35. Qd2) 34... Qg5 $11 {The position is equal.} 35. Qxg5 hxg5 36. Rxc6 Rxc6 37. Rxc6 bxc6 {[%mdl 4096] Endgame KB-KB} 38. Kf2 Kf7 39. g4 Ke6 40. Kg3 Kd6 41. h4 gxh4+ 42. Kxh4 c5 43. bxc5+ Kc6 44. Kg5 Bf3 45. Kf4 Bd1 46. Kg5 Kb5 47. c6 Kxc6 48. Kxg6 Kb5 49. Kf5 Kc4 50. Ke5 Bxg4 51. Bg1 Bf3 52. Bb6 Kb5 53. Kd4 Be4 54. Bd8 {Weighted Error Value: White=0.15 (very precise) /Black=0.17 (very precise)} 1/2-1/2

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.23"]
[Round "9.6"]
[White "Sajidul, Haque"]
[Black "Tahmidul, Haque"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "1766"]
[BlackElo "1756"]
[Annotator "NA RC"]
[PlyCount "64"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 0:00:02]} c5 {[%emt 0:00:05]} 2. Nf3 {[%emt 0:00:04]} e6 {[%emt 0:00:02]} 3. d4 {[%emt 0:00:06]} cxd4 {[%emt 0:00:01]} 4. Nxd4 {[%emt 0:00:02]} Nc6 {[%emt 0:00:01]} 5. a3 {[%emt 0:00:25]} Qc7 {[%emt 0:00:02]} 6. Nc3 {[%emt 0:00:14]} a6 {[%emt 0:00:01]} 7. Be3 {[%emt 0:00:39]} Nf6 {[%emt 0:00:02]} 8. Be2 {[%emt 0:00:44]} b5 {[%emt 0:00:05]} 9. f3 {[%emt 0:07:25]} Bb7 {[%emt 0:00:14]} 10. O-O {[%emt 0:01:05]} h5 {[%emt 0:00:02]} 11. Qe1 {[%emt 0:02:00]} Bd6 {[%emt 0:07:02]} 12. Qh4 {[%emt 0:01:38]} Ne5 {[%emt 0:07:10]} 13. Rad1 {[%emt 0:09:07]} Ng6 {[%emt 0:02:09]} 14. Qh3 {[%emt 0:01:08]} Nf4 {[%emt 0:21:32]} 15. Bxf4 {[%emt 0:02:29]} Bxf4 {[%emt 0:00:49]} 16. Kh1 {[%emt 0:03:30]} O-O-O {[%emt 0:17:36]} 17. a4 {[%emt 0:04:49]} b4 {[%emt 0:11:10]} 18. Na2 {[%emt 0:00:33]} h4 {[%emt 0:01:47]} 19. Nxb4 {[%emt 0:01:35]} Nh5 {[%emt 0:00:57]} 20. Rd3 {[%emt 0:11:30]} Qb6 {[%emt 0:01:19]} 21. Rc3+ {[%emt 0:08:41]} Kb8 {[%emt 0:04:53]} 22. Nxa6+ {[%emt 0:02:47]} Ka8 {[%emt 0:00:36]} 23. Nc5 {[%emt 0:02:24]} Ng3+ {[%emt 0:10:39]} 24. Kg1 {[%emt 0:00:01]} Nxe2+ {[%emt 0:01:04]} 25. Nxe2 {[%emt 0:00:03]} Bd2 {[%emt 0:00:38]} 26. a5 {[%emt 0:01:35]} Qa7 {[%emt 0:00:23]} 27. Ra3 {[%emt 0:17:13]} Qxc5+ {[%emt 0:00:24]} 28. Kh1 {[%emt 0:00:01]} Ba6 {[%emt 0:00:35]} 29. c3 {[%emt 0:01:13]} Bxe2 {[%emt 0:00:14]} 30. b4 {[%emt 0:02:16]} Qe3 {[%emt 0:01:18]} 31. Rb1 {[%emt 0:01:21]} Bd3 {[%emt 0:00:31]} 32. Rba1 {[%emt 0:00:47]} Bc1 {[%emt 0:00:11]} 0-1

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.23"]
[Round "9.7"]
[White "Sajib, Das"]
[Black "Souradip, Datta"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1816"]
[BlackElo "1198"]
[Annotator "NA RC"]
[PlyCount "89"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

{[%evp 8,88,24,6,47,50,60,66,76,70,74,79,81,66,69,58,49,9,0,1,10,3,66,-45,-39,-45,13,0,85,83,89,79,91,59,71,48,83,86,257,72,93,91,164,173,148,156,164,182,225,211,368,122,296,144,145,141,198,168,268,272,518,259,322,388,432,471,29990,29992,29992,29993,29993,29994,29994,29991,29995,714,29996,29997,29997,716,29998,29999,29999]} 1. e4 {[%emt 0:10:38]} c5 {[%emt 0:00:11]} 2. Nf3 {[%emt 0:00:24]} d6 {[%emt 0:00:07]} 3. g3 {[%emt 0:00:15]} Nc6 {[%emt 0:01:33]} 4. Bg2 {[%emt 0:00:07]} Bg4 {[%emt 0:02:07]} 5. d3 {[%emt 0:00:39]} Nd4 {[%emt 0:01:10]} 6. Nbd2 {[%emt 0:00:29]} Qd7 {[%emt 0:01:29]} 7. h3 {[%emt 0:00:30]} Bh5 {[%emt 0:00:09]} 8. c3 {[%emt 0:00:13]} Nxf3+ {[%emt 0:00:10]} 9. Nxf3 {[%emt 0:00:04]} e6 {[%emt 0:00:31]} 10. O-O {[%emt 0:00:53]} Be7 {[%emt 0:00:33]} 11. d4 {[%emt 0:00:44]} cxd4 {[%emt 0:01:21]} 12. cxd4 {[%emt 0:00:04]} (12. g4 $14 Bg6 13. Nxd4 (13. Qxd4 Nf6 $11)) 12... Nf6 {[%emt 0:00:17]} 13. Qd3 {[%emt 0:00:37]} Bg6 {[%emt 0:01:21]} 14. Nh4 $1 {[%emt 0:01:19]} Rb8 {[%emt 0:06:57]} (14... d5 $11) 15. f4 {[%emt 0:00:56]} (15. Nxg6 $14 hxg6 16. Bf4) 15... d5 {[%emt 0:07:53]} 16. Nxg6 {[%emt 0:11:35] [#]} hxg6 {[%emt 0:00:36]} ({Better is} 16... dxe4 $1 $15 17. Bxe4 hxg6) 17. e5 $1 {[%emt 0:01:28]} Nh7 {[%emt 0:01:39]} (17... Ne4 $1 $11 {keeps the balance.}) 18. Bd2 {[%emt 0:01:19]} Rc8 {[%emt 0:04:31]} 19. g4 {[%emt 0:00:28]} b6 {[%emt 0:02:25]} 20. f5 {[%emt 0:01:58]} (20. Bf3 $16) 20... gxf5 {[%emt 0:00:15]} 21. gxf5 {[%emt 0:00:12]} exf5 {[%emt 0:00:15]} 22. Rxf5 {[%emt 0:00:40]} ({Much weaker is} 22. Qxf5 $6 Qxf5 23. Rxf5 g6 $11) 22... Rc4 $2 {[%emt 0:03:55] [#]} (22... g6 $16 23. Rf4 Ng5) 23. Bc3 $2 {[%emt 0:09:02]} (23. e6 $1 $18 {[%cal Re6d7]} fxe6 24. Rh5) 23... Ng5 {[%emt 0:02:09]} ({Black should play} 23... g6 $1 $14 24. Rf4 Ng5) 24. e6 {[%emt 0:06:05]} fxe6 {[%emt 0:04:05] [#]} (24... Nxe6 $16 25. Re1 (25. Rxd5 Qc8 $16) (25. Bxd5 Rc7 $16) 25... Rc6) 25. Rxg5 $1 {[%emt 0:00:44]} Bxg5 {[%emt 0:01:28]} 26. Qg6+ {[%emt 0:00:24]} Qf7 {[%emt 0:00:05]} 27. Qxg5 {[%emt 0:00:07]} O-O {[%emt 0:00:05]} 28. Rf1 {[%emt 0:00:20]} Qe8 $2 {[%emt 0:00:25]} (28... Qc7 {is a better defense.} 29. Qg4 Rc6 30. Rxf8+ Kxf8) 29. h4 $2 {[%emt 0:01:41]} (29. Re1 $18 {and the rest is easy.}) 29... Rc7 $2 {[%emt 0:01:20] [#]} (29... Rc8 $16 {was worth a try.} 30. Re1 Rf6) 30. Qg3 {[%emt 0:03:17]} (30. Re1 $1 $18) 30... Rcf7 {[%emt 0:01:33] [#]} 31. Re1 $1 {[%emt 0:03:01]} Rf5 {[%emt 0:01:40]} (31... Rf6 $16) 32. Bd2 {[%emt 0:00:56]} R8f6 {[%emt 0:01:30]} (32... Kh7 $16 33. a3 Qf7) 33. Bg5 {[%emt 0:00:29]} Rg6 $2 {[%emt 0:03:02]} (33... Rf8 34. Bh3 Rf3) 34. Re5 {[%emt 0:01:43]} Qc6 {[%emt 0:03:30]} 35. Rxf5 {[%emt 0:00:32]} exf5 {[%emt 0:00:40]} 36. Qe5 {[%emt 0:00:54]} ({Less strong is} 36. Qb8+ Kh7 37. Qe5 (37. Qxa7 Rxg5 38. hxg5 Qc1+ 39. Bf1 Qxg5+ 40. Kh1 Qh4+ 41. Kg2 Qe4+ 42. Kh2 Qf4+ 43. Kg2 Qg4+ 44. Kh2 Qf4+ 45. Kg2 Qe4+ 46. Kh2 Qf4+ $11) 37... Rxg5 38. hxg5 Qc1+ 39. Kh2 Kg6 40. Qe8+ (40. Qxd5 Qf4+ 41. Kg1 Qe3+ 42. Kf1 Qc1+ 43. Kf2 Qd2+ 44. Kf3 Qxb2 $18) 40... Kxg5 41. Qe7+ (41. Bxd5 Qxb2+ 42. Bg2 Qxd4 $11) 41... Kg6 $18) 36... Re6 $2 {[%emt 0:04:21]} (36... Qc2 $18 37. Bxd5+ Kh7) 37. Bxd5 {[%emt 0:44:13]} Qe8 {[%emt 0:00:42]} 38. Qxf5 {[%emt 0:00:00]} Kh8 {[%emt 0:00:59]} 39. Bxe6 {[%emt 0:00:00]} a5 {[%emt 0:02:28]} 40. Bh6 {[%emt 0:00:00]} Qb8 {[%emt 0:14:04] [#]} 41. Bxg7+ $1 {[%emt 0:00:00]} Kxg7 {[%emt 0:00:36]} 42. Qg5+ {[%emt 0:00:00]} Kh7 {[%emt 0:02:31]} 43. Bf5+ {[%emt 0:00:00]} Kh8 {[%emt 0:00:14]} 44. Qh6+ {[%emt 0:00:00]} Kg8 {[%emt 0:00:31]} 45. Be6# {[%emt 0:00:00]} 1-0

[Event "WALTON 40th BAN-ch U20 Open 2022"]
[Site "Dhaka"]
[Date "2022.02.23"]
[Round "9.8"]
[White "Mohammad Shafiqul, Islam"]
[Black "Mortuza Muhtadi, Islam"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1720"]
[BlackElo "1485"]
[Annotator "NA RC"]
[PlyCount "77"]
[EventDate "2022.02.15"]
[EventType "swiss"]
[EventCountry "BAN"]
[SourceTitle "playchess.com"]
[Source "ChessBase"]
[SourceQuality "1"]
[TimeControl "5400+30"]

1. e4 {[%emt 1:31:00]} d5 {[%emt 0:00:13]} 2. exd5 {[%emt 0:00:00]} Nf6 {[%emt 0:00:04]} 3. d4 {[%emt 0:00:00]} Bg4 {[%emt 0:00:05]} 4. f3 {[%emt 0:00:00]} Bf5 {[%emt 0:00:04]} 5. c4 {[%emt 0:00:00]} e6 {[%emt 0:00:55]} 6. dxe6 {[%emt 0:00:00]} Nc6 {[%emt 0:00:27]} 7. Be3 {[%emt 0:00:00]} Bb4+ {[%emt 0:12:26]} 8. Nc3 {[%emt 0:00:00]} Qe7 {[%emt 0:00:28]} 9. Bd3 {[%emt 0:00:00]} Qxe6 {[%emt 0:08:32]} 10. Bxf5 {[%emt 0:00:00]} Qxe3+ {[%emt 0:00:56]} 11. Qe2 {[%emt 0:00:00]} Qxe2+ {[%emt 0:02:44]} 12. Ngxe2 {[%emt 0:00:00]} Bxc3+ {[%emt 0:00:39]} 13. bxc3 {[%emt 0:00:00]} Na5 {[%emt 0:00:15]} 14. Bd3 {[%emt 0:00:00]} O-O-O {[%emt 0:01:04]} 15. Kf2 {[%emt 0:00:00]} Rhe8 {[%emt 0:01:27]} 16. g4 {[%emt 0:00:00]} Re7 {[%emt 0:04:23]} 17. Ng3 {[%emt 0:00:00]} g6 {[%emt 0:03:42]} 18. g5 {[%emt 0:00:00]} Nd7 {[%emt 0:03:09]} 19. Rhe1 {[%emt 0:00:00]} Rde8 {[%emt 0:00:24]} 20. Rxe7 {[%emt 0:00:00]} Rxe7 {[%emt 0:00:03]} 21. Re1 {[%emt 0:00:00]} Rxe1 {[%emt 0:00:17]} 22. Kxe1 {[%emt 0:00:00]} Nb6 {[%emt 0:00:30]} 23. Ne4 {[%emt 0:00:00]} Naxc4 {[%emt 0:59:13]} 24. Nf6 Nb2 {[%emt 0:00:00]} 25. Kd2 {[%emt 0:00:00]} Nxd3 {[%emt 0:00:00]} 26. Kxd3 {[%emt 0:00:00]} Nd7 {[%emt 0:00:00]} 27. Nxh7 {[%emt 0:00:00]} Kd8 {[%emt 0:00:00]} 28. f4 {[%emt 0:00:00]} Ke7 {[%emt 0:00:00]} 29. h4 {[%emt 0:00:00]} Ke6 {[%emt 0:00:00]} 30. Ke4 {[%emt 0:00:00]} f5+ {[%emt 0:00:00]} 31. gxf6 {[%emt 0:00:00]} Nxf6+ {[%emt 0:00:00]} 32. Nxf6 {[%emt 0:00:00]} Kxf6 {[%emt 0:00:00]} 33. c4 {[%emt 0:00:00]} b6 {[%emt 0:00:00]} 34. a3 {[%emt 0:00:00]} c6 {[%emt 0:00:00]} 35. d5 {[%emt 0:00:00]} cxd5+ {[%emt 0:00:00]} 36. cxd5 {[%emt 0:00:00]} b5 {[%emt 0:00:00]} 37. Kd4 {[%emt 0:00:00]} Ke7 {[%emt 0:00:00]} 38. Kc5 {[%emt 0:00:00]} a6 {[%emt 0:00:00]} 39. Kc6 {[%emt 0:00:00]} 1-0

