[Event "USSR Championship"] [Site "Odessa URS"] [Date "1929.09.10"] [Round "2"] [White "Pyotr Izmailov"] [Black "Mikhail Botvinnik"] [Result "1-0"] [Variant "Standard"] [ECO "D52"] [Opening "Queen's Gambit Declined: Cambridge Springs Defense, Bogoljubow Variation"] [Annotator "https://lichess.org/@/Premier_Chess"] [StudyName "World Champions"] [ChapterName "Pyotr Izmailov - Mikhail Botvinnik"] [Source "https://lichess.org/study/nkXYPOHc/xzVryPg2"] [Orientation "white"] 1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Bg5 (4. Nc3 { [%csl Gf3,Gc3,Gc6][%cal Gc1g5,Gg4f4] }) 4... Nbd7 5. Nc3 c6 6. e3 Qa5 7. Qc2 Bb4 8. Nd2 O-O 9. Be2 b6 (9... dxc4 { [%csl Gg5][%cal Ga5g5] } 10. Nxc4 (10. Bxf6 Nxf6 11. Nxc4) 10... Qc7 { [%csl Gc7] } 11. Bf4 { [%cal Gf4c7,Gc7d8] }) 10. O-O { [%cal Gb4c3] } 10... Bxc3 (10... c5) 11. bxc3 Ba6 12. Bf4 Rac8 { [%csl Ga5,Ge7][%cal Gd2b3,Ga5d8,Ge6e5] } (12... Rfe8) (12... dxc4 13. Bxc4 Bxc4 14. Nxc4 Qd5) 13. Bd6 (13. Nb3 { [%cal Ga5c6] } 13... Qa3) (13. cxd5 Bxe2 14. Nb3 Qb5) 13... c5 14. Bxf8 { 1-0 Black resigns. } 14... Nxf8 15. Nb3 Qa3 16. cxd5 exd5 17. Bxa6 Qxa6 { [%cal Gc3d4] } 1-0