[Event "17th INTRA OCA SWISS LEAGUE"] [Site "https://lichess.org/WfYvTMV5"] [Date "2021.08.29"] [White "Manoranjansaha960"] [Black "antoreep2007"] [Result "0-1"] [GameId "WfYvTMV5"] [UTCDate "2021.08.29"] [UTCTime "15:17:35"] [WhiteElo "1902"] [BlackElo "1760"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+8"] [Variant "Standard"] [TimeControl "600+0"] [ECO "D02"] [Opening "Queen's Pawn Game: Chigorin Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. Nf3 Nc6?! { (0.00 → 0.63) Inaccuracy. Nf6 was best. } { D02 Queen's Pawn Game: Chigorin Variation } (2... Nf6 3. c4 e6 4. cxd5 exd5 5. Nc3 Bd6 6. Nb5 Be7 7. Bf4) 3. e3 Nf6 4. h3 e6 5. Bd3 Bd6 6. c3 O-O 7. O-O Bd7 8. Nbd2 Re8 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 f5?! { (0.74 → 1.38) Inaccuracy. h6 was best. } (11... h6 12. Re1) 12. Bd3?! { (1.38 → 0.68) Inaccuracy. Bg5 was best. } (12. Bg5) 12... Qf6 13. Re1 e5?? { (0.82 → 3.25) Blunder. h6 was best. } (13... h6) 14. dxe5?? { (3.25 → 0.41) Blunder. Bc4+ was best. } (14. Bc4+) 14... Nxe5 15. Nxe5?! { (0.41 → -0.35) Inaccuracy. Bf4 was best. } (15. Bf4 Bc6 16. Nxe5 Bxe5 17. Qd2 Kh8 18. Bxe5 Rxe5 19. Bf1 Rae8 20. b4 Qe6 21. Rxe5 Qxe5) 15... Bxe5?! { (-0.35 → 0.61) Inaccuracy. Rxe5 was best. } (15... Rxe5 16. Rxe5 Qxe5 17. g3 Bc6 18. Bc2 Qe8 19. Qd3 Qe1+ 20. Qf1 Qxf1+ 21. Kxf1 Re8 22. a4) 16. Bc4+ Be6 17. Bxe6+ Rxe6 18. Be3 Qg6? { (0.00 → 1.57) Mistake. f4 was best. } (18... f4 19. Bd4 Bxd4 20. cxd4 Rxe1+ 21. Qxe1 Qxd4 22. b3 Qf6 23. Rd1 f3 24. Qe4 c6 25. Rd7) 19. Qf3?! { (1.57 → 0.84) Inaccuracy. Qb3 was best. } (19. Qb3 Re8) 19... f4?? { (0.84 → 2.73) Blunder. Rae8 was best. } (19... Rae8 20. Qxb7) 20. Qxb7?? { (2.73 → 0.47) Blunder. Bxf4 was best. } (20. Bxf4 Bxf4 21. Qxf4 Qf7 22. Qxf7+ Kxf7 23. Rxe6 Kxe6 24. Re1+ Kf6 25. Rd1 Ke6 26. Rd4 a5) 20... Rf8 21. Bd4?? { (0.37 → -6.86) Blunder. Qd5 was best. } (21. Qd5 c6 22. Qc4 fxe3 23. Rxe3 Kh8 24. Rae1 Ref6 25. Rxe5 Rxf2 26. Qe4 Rxb2 27. Qxg6 hxg6) 21... f3 22. g3?? { (-6.31 → Mate in 7) Checkmate is now unavoidable. Qxf3 was best. } (22. Qxf3) 22... Qf5?? { (Mate in 7 → 3.38) Lost forced checkmate sequence. Bxg3 was best. } (22... Bxg3 23. Qxf3 Rxf3 24. Kf1 Bxf2 25. Bxf2 Qd3+ 26. Re2 Qxe2+ 27. Kg2 Qxf2+ 28. Kh1 Rxh3#) 23. Kh2?? { (3.38 → Mate in 6) Checkmate is now unavoidable. g4 was best. } (23. g4) 23... Rh6 24. Qd5+ Kh8 25. Rxe5 Qxh3+ 26. Kg1 Qg2# { Black wins by checkmate. } 0-1