[Event "Classical Increment"] [Site "https://lichess.org/O52IH7GP"] [Date "2023.07.03"] [White "untaltal"] [Black "WZD520"] [Result "1-0"] [UTCDate "2023.07.03"] [UTCTime "22:48:39"] [WhiteElo "1954"] [BlackElo "1924"] [WhiteRatingDiff "+5"] [BlackRatingDiff "-17"] [Variant "Standard"] [TimeControl "1500+3"] [ECO "E43"] [Opening "Nimzo-Indian Defense: St. Petersburg Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. c4 e6 2. d4 Nf6 3. Nc3 Bb4 4. e3 b6 5. Nf3 O-O 6. Bd3 Bb7 { E43 Nimzo-Indian Defense: St. Petersburg Variation } 7. a3?! { (0.34 → -0.39) Inaccuracy. O-O was best. } (7. O-O d5 8. cxd5 exd5 9. Qc2 Nbd7 10. a3 Bxc3 11. Qxc3 c5) 7... Bxc3+ 8. bxc3 Ne4 9. Qc2 f5 10. Nd2?! { (-0.36 → -1.29) Inaccuracy. O-O was best. } (10. O-O) 10... Nxd2 11. Bxd2 Bxg2 12. Rg1 Bf3 13. Rg3 Bh5 14. Be2?! { (-1.07 → -2.10) Inaccuracy. f3 was best. } (14. f3 Nc6) 14... Bxe2 15. Kxe2 Qf6 16. Rag1 g6?! { (-1.51 → -0.57) Inaccuracy. Rf7 was best. } (16... Rf7 17. e4) 17. R1g2? { (-0.57 → -1.81) Mistake. e4 was best. } (17. e4) 17... Kh8?! { (-1.81 → -1.12) Inaccuracy. Nc6 was best. } (17... Nc6 18. f4) 18. Qc1?! { (-1.12 → -2.10) Inaccuracy. e4 was best. } (18. e4 f4 19. e5 Qh4 20. Rf3 Qh5 21. Qd3 Nc6 22. Ke1 Ne7 23. Rxf4 Rxf4 24. Bxf4 Rf8) 18... d6?! { (-2.10 → -1.25) Inaccuracy. Nc6 was best. } (18... Nc6 19. f4) 19. Qg1?! { (-1.25 → -2.21) Inaccuracy. h4 was best. } (19. h4 Nd7) 19... Nd7 20. f4?! { (-1.74 → -2.84) Inaccuracy. h4 was best. } (20. h4) 20... e5 21. Rg5?! { (-2.80 → -3.86) Inaccuracy. Kd1 was best. } (21. Kd1 Qf7 22. Rh3 Kg8 23. fxe5 dxe5 24. Rf3 e4 25. Rf4 Kh8 26. a4 Rab8 27. Rh4 Rg8) 21... exf4 22. exf4 Rae8+ 23. Kd1 Re4? { (-3.42 → -1.72) Mistake. Qe7 was best. } (23... Qe7) 24. h4 Rfe8?! { (-1.73 → -0.77) Inaccuracy. Qe6 was best. } (24... Qe6 25. h5 gxh5 26. Rg7 Qe8 27. Kc2 Nf6 28. Rxc7 Rf7 29. Rg7 Ree7 30. Rxe7 Qxe7 31. Rxf7) 25. h5 R4e6?? { (-0.62 → 4.60) Blunder. Nf8 was best. } (25... Nf8 26. hxg6) 26. hxg6 hxg6 27. Rxg6 Qxg6 28. Rxg6 Rxg6 29. Qxg6 Rg8?? { (5.72 → Mate in 1) Checkmate is now unavoidable. Rf8 was best. } (29... Rf8 30. c5 Rf6 31. Qg5 Rf7 32. cxd6 cxd6 33. d5 Nf6 34. Qxf5) 30. Qh6# { White wins by checkmate. } 1-0