[Event "GCT Paris Blitz 2021"] [Site "Paris"] [Date "2021.06.23"] [Round "16"] [White "So, Wesley"] [Black "Firouzja, Alireza"] [Result "1-0"] [ECO "E49"] [WhiteElo "2770"] [BlackElo "2759"] [Annotator "TA"] [PlyCount "57"] [EventDate "2021.06.21"] [EventType "tourn"] [EventCountry "FRA"] [SourceTitle "playchess.com"] [Source "ChessBase"] [SourceQuality "1"] {[%evp 13,57,4,12,22,19,11,16,20,13,-10,0,-10,20,16,0,0,0,0,6,-18,-22,-29,5,5, 5,11,15,-6,9,11,27,19,17,10,11,13,27,27,31,32,26,31,42,0,520,528]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 c6 8. Ne2 {8.Nf3 is vanishing. E49: Nimzo-Indian: Rubinstein: 5 Bd3 d5 6 a3 Bxc3+ 7 bxc3.} b6 9. cxd5 cxd5 10. f3 {The position is equal. 10.c4 is becoming the main line. Gavrikov,V: 'usually leads to the same position.'} Ba6 11. e4 $5 {[%csl Rb2, Gc2,Rc3,Gd3,Rd4,Re3,Ge4,Rf2,Gf3,Gg2][%CAl Ge4d5,Gc6b7,Gd5c4,Gc6b5,Ge4f5,Gg6h7, Gg6h5,Gf5g4,Rd4c5,Rb6a7,Rb6a5,Rc5b4,Ra3b4,Rc3b4,Rc1g5,Re2f4,Rd4e5,Rf6g7,Rf6g5, Re5f4][%mdl 4] Leaves trodden paths.} (11. Bxa6 Nxa6 12. Qd3 Qc8 (12... Nb8 { transposes to the line 10...Bxd3 from comment above.}) 13. e4 (13. O-O Rd8 14. e4 dxe4 15. Qc2 e5 16. Be3 Nd5 17. Qxe4 Nxe3 18. Qxe3 exd4 19. cxd4 Nc7 20. Rfc1 Qd7 21. a4 Ne6 22. Rd1 Rac8 23. d5 Nc5 24. Qa3 Qe8 25. Ra2 Rd6 26. a5 Rcd8 27. axb6 axb6 28. Rad2 Qa4 29. Qc3 Qb3 30. Qxb3 Nxb3 31. Rb2 Nc5 32. Nc3 f5 33. Kf2 Na6 34. Rdb1 Nc7 35. Rxb6 Rxb6 36. Rxb6 Nxd5 37. Nxd5 Rxd5 38. Rb7 { 1/2-1/2 (38) Bhakti,K (2317)-Divyasri,C (2123) Chennai 2011}) 13... Qb7 $6 $146 {A dubious move.} ({Earlier Black continued} 13... Nc7 14. Bg5 Nd7 15. O-O Qa6 {and had no any problems after both} 16. Qe3 ({and} 16. Qxa6 Nxa6 17. a4 f6 18. Bd2 dxe4 19. fxe4 e5 $11 {1/2-1/2 Moskalenko,V-Beltran Rueda,S/Sitges 2002/EXT 2003 (22)}) 16... f6 17. Bh4 Qc4 18. Rab1 Rac8 19. Bg3 dxe4 20. fxe4 e5 $132 { 1/2-1/2 Milov,V-Kortschnoj,V/Switzerland 2004/EXT 2006 (47)}) 14. e5 Nd7 15. a4 {[%CAl Gc1a3]} Nab8 $2 ({It was necessary to prepare the manoeuvre Qa6 by} 15... Nc7) 16. Ba3 Rc8 17. f4 {[%CAl Gf4f5] Now Black has to reckon with unpleasant advance f4-f5.} Qa6 $6 (17... Nc6 $142 18. f5 exf5 19. Qxf5 Na5 20. O-O Nf8) 18. Qb5 $1 {This strong reply puts Black in difficult situation.} Rc4 $6 ({Dubious is also} 18... Qxb5 $6 19. axb5 f5 20. Bd6 a5 (20... Rc4 21. Kd2 a5 22. Ng3 Nf8 23. Nf1 Nbd7 24. Ne3 Rcc8 25. Ra4) 21. Ra4 Nf8 22. Kd2 Nbd7 23. Kd3 {followed by Rc1 and c4.}) ({but perhaps more tenacious was} 18... f5 19. g4 $1 g6 (19... fxg4 $2 20. f5 Qxb5 21. axb5 exf5 22. Nf4 Rxc3 23. Nxd5 Rc4 24. e6 Nf6 25. Ne7+ Kh8 26. Nxf5 $18) 20. gxf5 gxf5 21. Rg1+ Kf7) 19. Bd6 Qc8 20. f5 $1 {[%csl Re6]} Rxc3 $2 {An incomprehensible mistake.} ({The only way to continue the fight was} 20... Nc6 21. O-O Qe8 $16) 21. O-O Rc4 $6 (21... a6 22. Qb1 Rc2 (22... Rc4 23. Ra3 $40 {[%CAl Gf5e6,Ga3h3]}) 23. Nf4 Qc3 24. Qxc2 $1 Qxc2 25. Rac1 Qc6 26. fxe6 fxe6 27. Nxe6 h6 28. Rxc6 Nxc6 {prolonged the resistance.}) 22. fxe6 fxe6 23. Rac1 $1 {Preventing Nc6 when Black has no useful moves.} a6 (23... Nc6 24. Rxc4 dxc4 25. Qxc4 Nd8 26. Qb3 Qc6 27. Nf4 $18 ) 24. Qb3 b5 25. Rxc4 bxc4 26. Qh3 Qe8 27. Nf4 {The e6-pawn collapses and with it BlackĀ“s position.} Nc6 28. Nxe6 Rc8 ({After} 28... Ra7 {decides} 29. Qf3 $1 Nf6 30. Qf5 Nd7 31. Ng5 g6 32. Qf3) 29. Nf8 {1-0 (29) Moskalenko,V (2529) -Fedorchuk,S (2564) Barcelona 2005 CBM 110 [Gavrikov,V]}) (11. Bc2 Nc6 12. O-O Rc8 13. Re1 Na5 14. Bd3 Bxd3 15. Qxd3 Qd7 16. Rb1 Qc6 17. Qb5 Qxb5 18. Rxb5 h5 19. a4 Rfd8 20. Ba3 Rd7 21. Kf2 g6 22. Ra1 Nc4 23. h4 Re8 24. Bc1 Kg7 25. g3 Rc7 26. Rb4 e5 27. dxe5 Rxe5 28. Nd4 Re8 29. Rab1 Rcc8 30. Ne2 Nd7 31. Ra1 Nce5 32. Nf4 Rxc3 {0-1 (32) Brugnoli,P (1792)-Rokitta,N (1823) IECG email 1999}) ( 11. Bb1 Qc7 12. Bd2 Nbd7 13. O-O Rfe8 14. Rf2 e5 15. g3 e4 16. fxe4 dxe4 17. Nf4 Qc6 18. Bc2 Bc4 19. Qb1 Bd5 20. Qf1 Nf8 21. Qg2 Ng6 {1/2-1/2 (21) De Val,D (2201)-Van Hoolandt,P (2174) Novi Sad 2006}) (11. O-O Qd7 12. e4 h6 13. e5 Ne8 14. g4 Bxd3 15. Qxd3 Nc6 16. Nf4 Rc8 17. Ra2 f6 18. Ng6 Rf7 19. exf6 Rxf6 20. g5 hxg5 21. Bxg5 Rf5 22. Rg2 Nd6 23. h4 Nf7 24. f4 Nh8 25. h5 Nxg6 26. hxg6 Qe8 27. Bh4 Rh5 28. Bg5 Ne7 29. Qe2 Qxg6 30. Bxe7 Qf7 31. Bf6 Rh7 32. Qe5 Rxc3 33. Qb8+ Qf8 34. Qxf8+ Kxf8 35. Be5 Kf7 36. f5 exf5 37. Rxf5+ Ke6 38. Rf1 g5 39. Rxg5 Rxa3 40. Rg6+ Kd7 41. Rc1 Re7 42. Rc7+ Kd8 43. Rg8+ Re8 44. Rgg7 Rf8 45. Rb7 {1-0 (45) Derjabin,I (2345)-Antipov,M (2593) Sochi 2018}) 11... Bxd3 { Gavrikov,V: 'in the event of'} 12. Qxd3 {Gavrikov,V: '1-0 Sandipan,C-Rohit,G/ Hyderabad 2005/CBM 110 no vc (52)'} Qc8 ({Black can reply with} 12... Nc6 $5 13. Bg5 $140 h6 14. Bh4 dxe4 15. fxe4 Ne5 16. Qh3 Ng6 17. O-O Nxh4 18. Qxh4 Rc8 $11) (12... Nbd7 13. e5 Ne8 14. O-O f6 15. exf6 Nexf6 16. Bf4 Re8 17. Rfe1 e5 18. dxe5 Nxe5 19. Qd4 Nc6 20. Qd3 Ne5 21. Qd4 Nc6 22. Qd3 Ne5 23. Qd4 Nc6 { 1/2-1/2 (23) Budde,W-Zimmer,H GER corr 1998}) 13. O-O (13. Bg5 Nfd7 14. O-O Qc4 15. Qxc4 dxc4 16. Ng3 f6 17. Bf4 Re8 {1/2-1/2 (17) Csizmadia,L (2274)-Eperjesi, L (2255) Hungary 2002}) 13... Qa6 (13... Nc6 14. Bg5 Ne8 15. e5 Qd7 16. f4 f5 17. exf6 Nxf6 18. Bxf6 Rxf6 19. c4 dxc4 20. Qxc4 Rd8 21. Rfd1 Ne7 22. g3 Rf5 23. Nc3 Nc6 24. Ne2 Ra5 25. Rd3 Ne7 26. Re3 Kf7 27. Re5 Nc6 28. Rxa5 Nxa5 29. Qd3 g6 30. Rc1 Rc8 31. Rc3 Rc6 32. Kf2 Qd5 33. Rxc6 Nxc6 34. Ke3 Ne7 35. Qa6 Qa8 36. Qc4 Qg2 37. Qc7 Qxh2 38. Qxa7 Kf6 39. Qb8 Kf7 40. Qb7 Qh5 41. Kf2 Qa5 42. Qc7 h6 43. Qd8 h5 44. Qc7 Qxa3 45. Qxb6 Nd5 46. Qd8 Qe3+ 47. Ke1 Qa3 48. Kf2 Qa7 49. Qc8 Nf6 50. Qc6 Ng4+ 51. Ke1 Qa5+ 52. Qc3 Qb6 53. Qd3 Qb7 54. Qc3 Nf6 55. Qe3 Qb1+ 56. Nc1 Ne4 57. Kd1 Kf6 58. d5 exd5 59. Qd4+ Kf5 60. Qxd5+ Kg4 61. Qe6+ Kf3 62. Qc6 Ke3 63. Qe6 Qb2 64. Nb3 Qb1+ 65. Nc1 Kf3 66. Qc6 Kf2 67. Qc4 Kxg3 68. Ke2 Qb2+ 69. Kd3 Nf2+ 70. Ke3 Ng4+ 71. Ke4 Qg2+ 72. Kd3 Qf3+ { 0-1 (72) Czerw,D (2222)-Vetoshko,V (2517) Suwalki 2017}) 14. Qc2 $5 {[%mdl 4] Exploring less charted territory.} (14. Qe3 Nc6 15. e5 Nd7 16. Nf4 Rae8 17. a4 (17. Nh5 f6 18. exf6 Nxf6 19. Nxf6+ Rxf6 20. Bd2 e5 21. f4 e4 22. f5 Na5 23. Qg3 Qd3 24. Qxd3 exd3 25. Rad1 Rc6 26. Rf3 Nc4 27. Bf4 Nxa3 28. Rfxd3 Nc4 29. Ra1 a5 30. Kf2 b5 31. Ra2 a4 32. g4 Re4 33. Rf3 Rc8 34. g5 Rce8 35. f6 gxf6 36. gxf6 Kf7 37. Bg5 a3 38. h4 h6 39. Bc1 Rxh4 40. Kg3 Rh1 41. Ra1 Ree1 42. Rxa3 Nxa3 43. Bxa3 Reg1+ 44. Kf2 Rf1+ 45. Ke2 Rxf3 46. Kxf3 Rh3+ 47. Kg4 Rxc3 { 0-1 (47) David,A (2361)-Parligras,M (2458) Bucharest 2019}) 17... f6 18. exf6 Nxf6 19. Ba3 Rf7 20. Rfe1 (20. Bb4 e5 21. dxe5 Rxe5 22. Qd2 Qc4 23. Nd3 { 1/2-1/2 (23) Anton Guijarro,D (2642)-Lupulescu,C (2610) Moscow 2019}) 20... e5 {1/2-1/2 Bagirov,R-Palac,M/Biel 1998/EXT 99 (20)}) 14... Nc6 15. Bg5 { Threatens to win with Bxf6.} Ne8 {[#]} 16. Bh4 $146 ({Predecessor:} 16. Bf4 Rc8 17. exd5 exd5 18. Rfe1 Qc4 19. Qa2 Nf6 20. Bg5 Qxa2 21. Rxa2 Nd7 22. Ng3 { 1/2-1/2 (30) Habermehl,T (2522)-Lukez,F (2549) ICCF corr 1999}) 16... Qc4 17. e5 f6 18. exf6 Nxf6 19. Qd2 Rae8 20. Rfe1 Nd7 21. Bg3 e5 22. dxe5 Ndxe5 23. Nf4 d4 24. Rac1 d3 25. Re4 Qc5+ 26. Kh1 {[#] aiming for Qa2+.} Qxa3 {Black wants to play ...Na5.} 27. Rce1 Qd6 28. h4 {[%mdl 1024] White has compensation.} Qh6 $2 {[%mdl 8192]} (28... Qd7 $11 {and Black is okay.}) 29. Qa2+ {Weighted Error Value: White=0. 05/Black=0.45} 1-0
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