[Event "2023 Summer Marathon"] [Site "https://lichess.org/4goTN3kJ"] [Date "2023.08.05"] [White "SiaM_ChowDhurY_2007"] [Black "KIT13"] [Result "0-1"] [UTCDate "2023.08.05"] [UTCTime "07:11:08"] [WhiteElo "2321"] [BlackElo "1849"] [WhiteRatingDiff "-20"] [BlackRatingDiff "+14"] [Variant "Standard"] [TimeControl "60+0"] [ECO "B23"] [Opening "Sicilian Defense: Closed"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nc3 { B23 Sicilian Defense: Closed } d6 3. g3 Nf6 4. Bg2 e6 5. Nge2 Be7 6. d3 Nc6 7. h3 Bd7 8. Be3 O-O 9. O-O b6 10. Kh2 Qc7 11. f4 d5 12. exd5 exd5 13. Nxd5 Nxd5 14. Bxd5 Rad8?! { (-0.22 → 0.53) Inaccuracy. Bxh3 was best. } (14... Bxh3) 15. Bg2 Be6?! { (0.11 → 0.81) Inaccuracy. Bf6 was best. } (15... Bf6 16. Nc3 Ne7 17. Qd2 Bc6 18. Rae1 Bxg2 19. Qxg2 Bxc3 20. bxc3 c4 21. d4 Nd5 22. Bd2) 16. Qc1?! { (0.81 → 0.22) Inaccuracy. f5 was best. } (16. f5 Bd5 17. Bxd5 Rxd5 18. Nc3 Rdd8 19. Qg4 f6 20. Bf4 Qd7 21. Nb5 Rf7 22. a3 Nd4) 16... Qd7 17. g4 Nb4 18. a3 Nxd3?? { (0.11 → 3.08) Blunder. Nd5 was best. } (18... Nd5 19. Bd2 Nc7 20. Ng3 Rfe8 21. Rf2 Bf6 22. Bc3 Bh4 23. Qf1 Nb5 24. Re2 c4 25. d4) 19. cxd3 Qxd3 20. Ng3 Bb3 21. Be4 Qd7 22. Nf5 Kh8? { (2.86 → 5.40) Mistake. Rfe8 was best. } (22... Rfe8 23. Qc3 Bf6 24. Qxb3 Rxe4 25. Rad1 Qe6 26. Rxd8+ Bxd8 27. Qd3 Bf6 28. Rf3 h5 29. Ng3) 23. Nxe7? { (5.40 → 3.18) Mistake. Qc3 was best. } (23. Qc3 Bf6 24. Qxb3 Rfe8 25. Qc2 g6 26. Ng3 Bh4 27. Rae1 Kg8 28. f5 Rxe4 29. Nxe4 Qc6) 23... Qxe7 24. Bc2?? { (3.01 → -2.12) Blunder. Bf5 was best. } (24. Bf5 Rfe8 25. Re1 Qf6 26. Qc3 Qxc3 27. bxc3 g6 28. Bb1 a5 29. Kg3 a4 30. Kf2 h6) 24... Bxc2 25. Qxc2 Qxe3 26. Rae1?? { (-2.39 → -5.73) Blunder. Rad1 was best. } (26. Rad1 Kg8 27. Kg2 Rfe8 28. Rf3 Qe2+ 29. Qxe2 Rxe2+ 30. Kf1 Red2 31. Rxd2 Rxd2 32. b3 f5) 26... Rd2+ 27. Kh1?? { (-5.93 → Mate in 2) Checkmate is now unavoidable. Qxd2 was best. } (27. Qxd2 Qxd2+ 28. Kg3 h6 29. Re7 Kh7 30. Rf2 Qd3+ 31. Kg2 Rd8 32. Re1 Qb5 33. Re7) 27... Qxh3+ 28. Kg1 Qg2# { Black wins by checkmate. } 0-1