[Event "Karnataka State Under 10 Open Online Youth Chess Championships - 2021"] [Site "India"] [Date "2021.06.11"] [Round "7.1"] [White "Kowshik, Chinmay"] [Black "Poonja, Siddhanth"] [Result "0-1"] [WhiteElo "1444"] [BlackElo "1012"] [Variant "Standard"] [TimeControl "-"] [ECO "B23"] [Opening "Sicilian Defense: Closed, Traditional"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nc3 Nc6 { B23 Sicilian Defense: Closed, Traditional } 3. Bb5 e6 4. Nf3 Nge7 5. d4 cxd4 6. Nxd4 Nxd4 7. Qxd4 Nc6 8. Bxc6 bxc6 9. e5 c5 10. Qa4?! { (0.16 → -0.63) Inaccuracy. Qd3 was best. } (10. Qd3 Qc7) 10... Be7?! { (-0.63 → 0.31) Inaccuracy. Bb7 was best. } (10... Bb7) 11. Bd2? { (0.31 → -0.91) Mistake. Qg4 was best. } (11. Qg4 Kf8 12. Ne4 Bb7 13. Bd2 Qc7 14. Bc3 h5 15. Qf4 Bxe4 16. Qxe4 Rc8 17. h3 Qc6) 11... O-O 12. O-O-O Bb7 13. Qg4? { (-1.08 → -2.47) Mistake. Ne4 was best. } (13. Ne4 Bc6) 13... f5 14. Qg3 f4?! { (-1.92 → -0.91) Inaccuracy. Bh4 was best. } (14... Bh4 15. Qf4 Bc6 16. Nb1 Bxg2 17. Rhg1 Bd5 18. Nc3 Bc6 19. Qe3 Rf7 20. Qxc5 Be7 21. Qd4) 15. Qg4? { (-0.91 → -2.22) Mistake. Qd3 was best. } (15. Qd3) 15... Rb8 16. Kb1 Qb6 17. b3?! { (-2.02 → -2.85) Inaccuracy. Bc1 was best. } (17. Bc1 Bc6 18. f3 Rf5 19. g3 Rxe5 20. gxf4 Rf5 21. b3 c4 22. Rhg1 g6 23. h4 Bc5) 17... c4 18. Bxf4 cxb3 19. cxb3?! { (-2.73 → -3.81) Inaccuracy. axb3 was best. } (19. axb3 h5) 19... Qb4 20. Ne2?! { (-4.23 → -5.73) Inaccuracy. Rxd7 was best. } (20. Rxd7 Rxf4) 20... h5 21. Qg3 Qe4+ 22. Ka1 Qxe2 23. Rxd7 Rf7 24. Rc1 Ba3 25. Rxf7? { (-8.46 → Mate in 1) Checkmate is now unavoidable. Rd2 was best. } (25. Rd2 Qe4) 25... Qb2# { Black wins by checkmate. } 0-1