[Event "The Leningrad Nimzo (4. Bg5): Old Game: 4...0-0, e6-e5 vs e3, b5 sac"] [Site "https://lichess.org/study/cSen9g2B/mLpnSO0V"] [Date "2022.08.06"] [White "?"] [Black "?"] [Result "1-0"] [UTCDate "2022.08.06"] [UTCTime "22:04:18"] [WhiteElo "?"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "E30"] [Opening "Nimzo-Indian Defense: Leningrad Variation"] [Termination "Unknown"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 { E30 Nimzo-Indian Defense: Leningrad Variation } O-O 5. e3 c5 6. d5 e5? { (-0.23 → 0.87) Mistake. Bxc3+ was best. } (6... Bxc3+ 7. bxc3 h6 8. Bh4 e5 9. e4 d6 10. Bd3 Nbd7 11. Ne2) 7. Qc2 h6 8. Bh4 d6 9. a3?! { (0.13 → -0.48) Inaccuracy. Ne2 was best. } (9. Ne2 b5) 9... Ba5?! { (-0.48 → 0.46) Inaccuracy. Bxc3+ was best. } (9... Bxc3+ 10. Qxc3) 10. Nf3 b5?! { (0.80 → 1.44) Inaccuracy. Nbd7 was best. } (10... Nbd7 11. Nd2) 11. Bxf6 Qxf6 12. cxb5 Re8?! { (1.08 → 1.98) Inaccuracy. a6 was best. } (12... a6 13. a4) 13. e4 Qf4? { (1.56 → 2.93) Mistake. Qg6 was best. } (13... Qg6 14. Be2) 14. Nd2 f5 15. f3?! { (3.02 → 1.82) Inaccuracy. Nc4 was best. } (15. Nc4 Bxc3+ 16. bxc3 Rd8 17. Be2 fxe4 18. O-O Bf5 19. Qc1 Bg6 20. a4 Kh7 21. Na5 Rf8) 15... Qe3+? { (1.82 → 3.53) Mistake. fxe4 was best. } (15... fxe4 16. Qxe4) 16. Be2 fxe4?! { (2.91 → 4.56) Inaccuracy. Qg5 was best. } (16... Qg5 17. O-O f4 18. Nc4 Qd8 19. Nxa5 Qxa5 20. b4 cxb4 21. Na4 b3 22. Qxb3 Qd2 23. Rf2) 17. Nc4 Bxc3+ 18. bxc3 Qg5 19. Nxd6 Qxg2 20. O-O-O exf3 21. Rdg1 Qxe2 22. Qxe2 fxe2 23. Nxe8 Bf5?! { (4.76 → 7.77) Inaccuracy. Nd7 was best. } (23... Nd7 24. Rxg7+) 24. Nc7 { White wins. } 1-0