[Event "USSR Championship"] [Site "Leningrad URS"] [Date "1939.04.28"] [Round "9"] [White "Alexander Kotov (?)"] [Black "Mikhail M Yudovich Sr. (?)"] [Result "1-0"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "D39"] [Opening "Queen's Gambit Declined: Ragozin Defense, Vienna Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Bg5 Bb4+ 5. Nc3 dxc4 { D39 Queen's Gambit Declined: Ragozin Defense, Vienna Variation } 6. e4 c5 7. Bxc4 cxd4 8. Nxd4 Qa5 9. Bxf6 Bxc3+ 10. bxc3 gxf6? { (0.15 → 1.63) Mistake. Qxc3+ was best. } (10... Qxc3+) 11. O-O Nd7 12. Kh1 Nb6?! { (1.52 → 2.32) Inaccuracy. Qc7 was best. } (12... Qc7 13. Bxe6) 13. Bb3?! { (2.32 → 1.18) Inaccuracy. Bb5+ was best. } (13. Bb5+ Bd7 14. Qh5 Bxb5 15. a4 Nc4 16. axb5 Qb6 17. f4 a5 18. Qh6 O-O-O 19. Qxf6 Rhf8) 13... Bd7 14. Qf3 Ke7? { (0.77 → 2.53) Mistake. Qg5 was best. } (14... Qg5) 15. Qe3? { (2.53 → 1.01) Mistake. e5 was best. } (15. e5) 15... Rac8 16. Rac1 Nc4 17. Qe2 Nb6 18. Qd3 Rc5? { (1.16 → 2.55) Mistake. Na4 was best. } (18... Na4 19. Rfd1) 19. c4?! { (2.55 → 1.55) Inaccuracy. f4 was best. } (19. f4 Rhc8 20. c4 Rh5 21. h3 Bc6 22. Bd1 Rh4 23. Qg3 Rh6 24. Qe3 Nd7 25. Nxc6+ Rxc6) 19... Rhc8?! { (1.55 → 2.43) Inaccuracy. Rcc8 was best. } (19... Rcc8 20. f4) 20. f4 Be8?! { (3.02 → 4.63) Inaccuracy. Na4 was best. } (20... Na4 21. e5) 21. e5?! { (4.63 → 3.02) Inaccuracy. Rcd1 was best. } (21. Rcd1) 21... fxe5 22. fxe5 Rxe5 23. Rcd1 Qc5 24. Qg3 Re4 25. Rf5 exf5?! { (3.76 → 4.81) Inaccuracy. Qxd4 was best. } (25... Qxd4) 26. Nxf5+ Kf6 27. Rd6+ Kxf5?? { (5.38 → Mate in 6) Checkmate is now unavoidable. Qxd6 was best. } (27... Qxd6 28. Nxd6 Re6 29. Nxc8 Nxc8 30. c5 Re5 31. h4 Bc6 32. Qg8 Bd5 33. Qh8+ Kf5 34. Bc2+) 28. Qf3+ Rf4 29. Qh5+ Ke4 30. Bc2+ Ke3 31. Rd3+ { Black resigns. } 1-0