[Event "?"] [Site "?"] [Date "2020.03.30"] [Round "?"] [White "4a3"] [Black "Nimzo defense"] [Result "0-1"] [ECO "E24"] [Annotator "thechesscorner@gmail.com"] [PlyCount "48"] [EventDate "2020.03.30"] [SourceVersionDate "2019.10.27"] {[%evp 0,48,28,19,22,23,27,30,27,-5,-5,-5,11,-17,30,32,29,15,15,0,0,0,30,27,39, 33,28,-33,-33,-27,-34,-39,-2,-32,-2,-22,-19,-32,-34,-25,-20,-31,-33,-47,0,-52, -61,-61,-12,-21,2]} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 b6 6. f3 (6. Bg5 h6 7. Bh4 Ba6 8. e3 Nc6 9. Nf3 Na5 10. Nd2 g5 11. Bg3 Bb7 12. Qc2 Qe7) 6... Ba6 (6... Nc6 7. e4 Na5 8. Bd3 d6 9. Nh3 Ba6 10. Qe2 e5 11. Be3 Qd7 12. a4 Qc6 13. d5 Qd7 14. O-O Qe7 15. Nf2 Nd7 16. Rab1 O-O 17. g4 Rac8 {1/2-1/2 (53) Carlsen,M (2882)-Aronian,L (2765) Saint Louis 2019}) 7. e4 Nc6 {[#]} 8. e5 (8. Bg5 Qc8 {[#]} (8... h6 9. Bh4 Na5 10. e5 g5 11. Bf2 Nh5 12. c5 Bxf1 13. Kxf1 d6 14. exd6 cxd6 15. h4 {1/2-1/2 (44) Carlsen,M (2861)-Ding,L (2805) Cupar 2019} Ke7) 9. Bd3 (9. e5 Ng8) (9. Bxf6 gxf6 10. Qd2 Na5 11. Qh6 Qd8 12. Qg7 Rf8 13. Qxh7 Qe7 {[%csl Gc4][%CAl Ga6c4]}) 9... Na5 10. Qe2 Qb7 {[%csl Gc6]} (10... d6 11. Nh3 Nd7 12. f4 f6 13. Bh4 Qb7 14. O-O O-O-O 15. Rab1 Rde8 16. Bf2 h6 17. Be3 Re7 18. Nf2 Kb8 19. h3 {1-0 (40) Radjabov,T (2663)-Dizdarevic,E (2538) Mallorca 2004}) 11. d5 (11. e5 Ng8 12. Be4 Qc8) (11. Nh3 Qc6 12. e5 Nd5 $1) 11... Nb3 12. Rb1 Nc5 {[#]} 13. Nh3 (13. Be3 Nxd3+ 14. Qxd3 exd5 15. exd5 O-O 16. Bg5 Ne8 $1 {[#]}) 13... d6 14. Bxf6 gxf6 15. O-O c6 $5 (15... O-O-O)) (8. Bd3 Na5 9. Qe2 Qc8 10. e5 Ng8 11. f4 Ne7 12. Nf3 d5 $5 {[#]} (12... Qb7 13. O-O O-O-O 14. Ng5 Rdf8 {1/2-1/2 (60) Abdalla,L (2085)-Jaracz,P (2518) ICC INT 2009} ) 13. cxd5 (13. exd6 cxd6 14. Nd2 d5) 13... Bxd3 14. Qxd3 exd5 15. Nh4 g6 16. f5 $5 {[#]} Nxf5 17. Nxf5 Qxf5 18. Qxf5 gxf5 19. O-O c5 $1 {[#]} 20. dxc5 (20. Rxf5 $2 cxd4 21. cxd4 Nb3) (20. Be3 Nc4) 20... Nb3 21. Ra2 Nxc5 22. Rxf5 (22. Raf2 Rc8 23. Rxf5 Rc7) 22... Rc8 23. Raf2 Ne4) 8... Ng8 9. Nh3 (9. Bd3 Na5 10. Qa4 Qc8 11. Ne2 c5) 9... Na5 10. Qa4 Qc8 (10... Ne7 11. Ng5 (11. Bd3 O-O 12. O-O h6) (11. Bg5 O-O) 11... h6 12. Ne4 O-O) 11. Bd3 c5 {[#] Playing against c4 pawn. Qc8 is a key move in all variations !} 12. Ng5 Qc6 {[#]} 13. Qc2 (13. Qxc6 Nxc6 14. Ne4 cxd4 15. cxd4 Nxd4 16. Rb1 Nc6 17. f4 Nh6 18. Nd6+ Kf8 19. O-O g6 20. Bd2 Nf5 21. Bxf5 gxf5 22. a4 Rg8) 13... Bxc4 14. Ne4 Bxd3 15. Qxd3 Nb7 {Jonasson-Browne 1996} 16. Qa6 Na5 (16... Ne7 $4 17. Qxb7 Qxb7 18. Nd6+ $18 ) 17. O-O Ne7 18. Nd6+ Kf8 19. Qd3 Kg8 20. Ra2 h5 21. Bg5 f6 22. exf6 gxf6 23. Bf4 c4 24. Qe4 Rf8 {analysis} 0-1