[Event "Nottingham"] [Site "https://lichess.org/study/Bo8VSLFh/uPBLey7r"] [Date "1936.??.??"] [White "Botvinnik, M."] [Black "Vidmar, Milan Sr"] [Result "*"] [Annotator "IQPm: sacrifice on f7 by N"] [Variant "Standard"] [ECO "D60"] [Opening "Queen's Gambit Declined: Orthodox Defense, Botvinnik Variation"] [Source "https://lichess.org/study/Bo8VSLFh/uPBLey7r"] [Orientation "white"] { [%mdl 32772] } { IQP: attacking with space and mobility } 1. c4 e6 2. Nf3 d5 3. d4 Nf6 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Bd3 { [#]White does not try to save a move by delaying Bd3 } { [%csl Gd5] } (7. Rc1) (7. Qc2 dxc4 8. Bxc4) (7. a3) 7... c5 { With a B on d3, d4 is a little less protected and d5 is a little less attacked, so this is better than usual } (7... dxc4 8. Bxc4 c5 9. O-O cxd4 10. exd4) 8. O-O cxd4 9. exd4 dxc4 10. Bxc4 { [#]The classic IQP position. } 10... Nb6 { [%csl Gd5] } 11. Bb3 Bd7 12. Qd3 (12. d5 { is a good idea when it doesn't lose a pawn } 12... exd5 13. Nxd5 (13. Bxf6) 13... Nfxd5 14. Bxd5) 12... Nbd5 { [%csl Re5] } (12... Nfd5! { achieving exchanges }) 13. Ne5 { It's nice to get into e5 without worrying about it being swapped off } 13... Bc6 { [%csl Gd5] } 14. Rad1 Nb4 15. Qh3! { [%csl Ge5,Gh3] } 15... Bd5 (15... a6 16. Nxf7!) 16. Nxd5 { Now White has two Bishops and will attack the weakened light squares. } 16... Nbxd5 { [%csl Ge6,Gd5,Gf5,Gf7] } 17. f4! Rc8 (17... h6 { [%cal Gg5h6,Gg7h6,Gh3h6] } 18. Bxh6 gxh6 19. Qxh6 { [%cal Gf1f3,Gf3g3] }) 18. f5 exf5 19. Rxf5 (19. Qxf5) 19... Qd6? { [#] [%csl Gf7] } (19... Rc6) 20. Nxf7! (20. Qg3) (20. Bxf6 Nxf6 21. Nxf7 Rxf7 22. Bxf7+ Kxf7 23. Rxf6+ { [%cal Gh3c8] }) 20... Rxf7 (20... Kxf7 21. Bxf6 { [%csl Gd5] }) 21. Bxf6 (21. Rxd5 Nxd5 22. Qxc8+ Bf8 23. Re1) 21... Bxf6 (21... Nxf6 22. Rxf6 { [%csl Gc8] }) 22. Rxd5! { [%csl Gb3,Gf6,Gd6,Gc8] } 22... Qc6 { [#]Lots of things now win } { [%cal Gd5c5] } (22... Qc7 23. Rd7) 23. Rd6 (23. Rc5) (23. Rd7) 23... Qe8 (23... Qxd6 24. Qxc8+ Qd8) 24. Rd7 { '1-0 (24) Botvinnik,M-Vidmar,M Nottingham 1936' } { [%csl Gd5][%cal Gd4d5] } *