[Event "oca2021 Arena"] [Site "https://lichess.org/d7QYIIq4"] [Date "2024.01.25"] [White "upayandey"] [Black "DiptayanGunda"] [Result "0-1"] [UTCDate "2024.01.25"] [UTCTime "19:22:11"] [WhiteElo "1282"] [BlackElo "1599"] [WhiteRatingDiff "-12"] [BlackRatingDiff "+22"] [Variant "Standard"] [TimeControl "120+0"] [ECO "B23"] [Opening "Sicilian Defense: Grand Prix Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nc3 Nc6 3. f4?! { (0.41 → -0.21) Inaccuracy. Nf3 was best. } { B23 Sicilian Defense: Grand Prix Attack } (3. Nf3 e5 4. Bc4 Be7 5. d3 Nf6 6. Nd2 d6 7. Nf1 Bg4) 3... g6 4. Nf3 Bg7 5. Bc4 e6 6. a3 Nge7 7. Ba2 O-O 8. d3 a6?! { (-0.45 → 0.42) Inaccuracy. d5 was best. } (8... d5 9. Ne2) 9. Be3?! { (0.42 → -0.14) Inaccuracy. h4 was best. } (9. h4) 9... b6 10. O-O d5 11. Bf2 Bb7 12. e5 d4?! { (0.33 → 1.12) Inaccuracy. Nf5 was best. } (12... Nf5 13. Qd2) 13. Ne4 Nf5 14. g4 Ne3 15. Bxe3 dxe3 16. Nd6 Qd7 17. Qe2?! { (1.07 → 0.34) Inaccuracy. c3 was best. } (17. c3 Bh6 18. Ne4 f5 19. exf6 Bxf4 20. Qe2 Nd8 21. Nfg5 Bxg5 22. Nxg5 Nf7 23. Bxe6 Qc6) 17... Nd4 18. Nxd4 cxd4 19. c3 dxc3 20. bxc3 Qc6?! { (0.40 → 1.41) Inaccuracy. Rac8 was best. } (20... Rac8 21. Rac1) 21. Rac1?? { (1.41 → Mate in 1) Checkmate is now unavoidable. Nxb7 was best. } (21. Nxb7 Qxb7) 21... Qh1# { Black wins by checkmate. } 0-1