[Event "Catalan: Grünfeld/Neo-Grünfeld 2(main line)"]
[Site "https://lichess.org/study/OAlZZKi1/RutNTWBX"]
[Date "????.??.??"]
[Round "?"]
[White "?"]
[Black "?"]
[Result "*"]
[Annotator "https://lichess.org/@/Derrick1Rose"]
[ECO "D76"]
[Opening "Neo-Grünfeld Defense: Delayed Exchange Variation"]
[UTCDate "2021.10.02"]
[UTCTime "07:48:59"]
[Variant "Standard"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O ( 4... d5 5. cxd5 Nxd5 6. Bg2 Nb6 7. Nc3 Nc6 8. e3 O-O 9. O-O ) 5. Bg2 d5 6. cxd5 Nxd5 7. O-O Nb6 ( 7... Nc6 8. e4 { Next Chapter } ) 8. Nc3 ( 8. e4 $6 { Not e4 now because it didn't come with a tempo, so black is free to play 8... Bg4 to put pressure on the d4 pawn. } 8... Bg4 $13 ) 8... Nc6 9. e3 e5 10. d5 { [%cal Bc6e7,Bc6a5,Be5e4] } 10... e4 { The best response from black } ( 10... Ne7 11. e4 Bg4 { Best move for black } ( 11... f5 $2 12. Ng5 { [%cal Gd1b3,Gb3g8] } 12... fxe4 13. Ne6 Bxe6 14. dxe6 { [%cal Ge7f5] } 14... Qxd1 15. Rxd1 c6 16. Nxe4 { [%csl Gc5][%cal Ge4c5,Ga2a4] } ) 12. h3 Bxf3 13. Qxf3 c6 14. Rd1 cxd5 15. exd5 Nf5 { [%cal Yf5d4,Yc1e3,Gd5d6,Gf3b7] } 16. d6 Nd4 17. Qxb7 Qxd6 18. Be3 $16 ) ( 10... Na5 11. e4 c6 { This is more or less forced because otherwise white will play b3 and the knight will be stuck on a5 and white can follow up with Ba3 } 12. Bg5 ( 12. b3 $2 { [%csl Ra5][%cal Gb3c4] } 12... cxd5 13. exd5 e4 $13 { [%csl Ra1][%cal Rg7a1] } ) 12... f6 13. Be3 { Provoking f6 to give black some weak squares and opening the a2 - g8 diagonal [%csl Bc4,Bd5][%cal Bb6c4,Ba5c4,Bc6d5] } 13... cxd5 ( 13... Nbc4 14. Bc5 Re8 ( 14... Rf7 15. b4 b6 16. Be3 Nxe3 17. fxe3 Nc4 { [%cal Rc4e3] } 18. dxc6 { [%csl Gd8,Re3][%cal Rc4e3,Gd1d8] } 18... Qxd1 19. Rfxd1 Nxe3 20. Rd3 Bh6 21. Re1 $16 ) 15. b4 b6 16. bxa5 bxc5 17. dxc6 Qxa5 18. Nd5 $18 ) ( 13... Nac4 14. Bc5 Re8 15. b3 Nd7 { [%csl Rc4,Gg8][%cal Bd1e2,Bc5a7,Re2c4,Gc4g8] } 16. Qe2 { This is the engine top move, here positionally white is much better. } ( 16. Bxa7 { Winning a pawn is also okay, but white loses some of the positional edge for a rook pawn... } 16... Rxa7 17. bxc4 ) 16... Nxc5 17. Qxc4 Qd6 { [%csl Rc4][%cal Gc8e6,Re6c4,Gd5c6] } 18. Rfd1 { [%csl Gg8][%cal Gd5c6,Rd1d6,Gc4g8] } 18... Kh8 $7 19. dxc6 Qxc6 20. Nd5 $16 ) 14. Nxd5 { [%cal Bb6d5,Bc8e6,Re6d5] } 14... Nxd5 ( 14... Be6 15. Bxb6 axb6 16. Qe2 ) 15. exd5 Nc4 { [%cal Rc4e3,Rc4b2] } 16. Bc5 Nd6 { Common idea to block a passed pawn preferably with a knight } 17. Qb3 b6 18. Ba3 Bb7 19. Rac1 { [%csl Rg8][%cal Gc1c6,Gc6d6,Ya3f8,Rb3g8] } 19... Rf7 { [%cal Gb3g8] } ( 19... Rc8 $4 20. Rc6 $3 { [%cal Gb3g8] } ) ) 11. dxc6 exf3 ( 11... Qxd1 12. Rxd1 exf3 13. Bxf3 bxc6 14. Rb1 Bf5 15. e4 Be6 16. Bf4 Bxc3 17. bxc3 Bxa2 18. Ra1 Bb3 19. Rdb1 Bc4 20. Bxc7 Bb5 ) 12. Bxf3 Qxd1 13. Rxd1 bxc6 14. Rb1 ( 14. Bxc6 { White wins a pawn, but black gets significant counter-play (if he plays actively). } 14... Rb8 $44 { [%csl Rb2][%cal Rb6c4,Bc4b2,Bb8b2] } 15. Bb5 Be6 { [%cal Rg7c3,Ye6a2] } 16. a4 Nc4 ( 16... Rfd8 17. e4 { [%cal Gc1f4] } 17... Bxc3 18. Rxd8+ Rxd8 19. bxc3 Rd1+ 20. Kg2 { [%cal Gg2f3] } ) 17. Nd5 ) 14... Bf5 { [%cal Gf3a8] } 15. e4 { [%csl Re4][%cal Yf3a8,Gf3e4] } 15... Be6 16. Bf4 Bxc3 17. bxc3 Bxa2 18. Ra1 Bb3 { To lure the Rd1 away from the d file } ( 18... Bc4 ) 19. Rdb1 Bc4 20. Bxc7 Bb5 { Three ideas here for white to continue... [%csl Ra7,Rb5][%cal Yf3a8,Yb1a1,Ra2a7,Yg2f1,Rf1b5,Be4e5,Bf3g2,Ba1a2] } *