[Event "2021 Spring Marathon"] [Site "https://lichess.org/XTkvlUuQ"] [Date "2021.04.10"] [White "SUMITH12345"] [Black "o2v0sk"] [Result "0-1"] [UTCDate "2021.04.10"] [UTCTime "14:11:49"] [WhiteElo "1939"] [BlackElo "1557"] [WhiteRatingDiff "-11"] [BlackRatingDiff "+10"] [Variant "Standard"] [TimeControl "300+0"] [ECO "E26"] [Opening "Nimzo-Indian Defense: Sämisch Variation, O'Kelly Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. a3?! { (0.24 → -0.43) Inaccuracy. Ne2 was best. } (5. Ne2 Ba6 6. a3 Bxc3+ 7. Nxc3 d5 8. b3 O-O 9. Be2 c5) 5... Bxc3+ 6. bxc3 c5 { E26 Nimzo-Indian Defense: Sämisch Variation, O'Kelly Variation } 7. Bd3 Bb7 8. f3 Nc6 9. Ne2 d6 10. O-O O-O 11. e4 Ne7?! { (0.47 → 1.19) Inaccuracy. cxd4 was best. } (11... cxd4 12. cxd4 Nd7 13. f4 Ba6 14. f5 e5 15. f6 g6 16. d5 Na5 17. Ng3 Bxc4 18. Bxc4) 12. Bg5 cxd4 13. cxd4 Nd7 14. d5?! { (1.46 → 0.71) Inaccuracy. Nc3 was best. } (14. Nc3 e5) 14... h6 15. Bh4 exd5? { (0.69 → 2.37) Mistake. e5 was best. } (15... e5 16. f4 Rc8 17. Rc1 Ba6 18. f5 f6 19. Bf2 Nc5 20. Rc3 Qc7 21. Bb1 Kh8 22. Ng3) 16. cxd5 Ng6?? { (2.54 → 8.17) Blunder. Nc5 was best. } (16... Nc5 17. Nd4 Nxd3 18. Qxd3 Qd7 19. a4 Rfc8 20. Qb5 Rc7 21. Qxd7 Rxd7 22. Bxe7 Rxe7 23. Rfc1) 17. Bg3?? { (8.17 → 1.67) Blunder. Bxd8 was best. } (17. Bxd8 Raxd8 18. Nd4 Nc5 19. Bc2 Ba6 20. Re1 Ne5 21. Re3 Rfe8 22. a4 g6 23. Rc3 Rd7) 17... Nde5 18. f4 Nxd3 19. Qxd3 Qc8 20. Nd4?? { (1.84 → -0.41) Blunder. f5 was best. } (20. f5) 20... Ba6 21. Nb5?? { (-0.22 → -4.97) Blunder. Qd2 was best. } (21. Qd2) 21... Qc5+ 22. Kh1?! { (-4.99 → -7.55) Inaccuracy. Qd4 was best. } (22. Qd4 Bxb5) 22... Bxb5 { White resigns. } 0-1