[Event "7th INTRA OCA SWISS LEAGUE"] [Site "https://lichess.org/KBxkucZA"] [Date "2021.06.20"] [White "Manoranjansaha960"] [Black "Aarav_MPBFHS"] [Result "0-1"] [UTCDate "2021.06.20"] [UTCTime "15:55:55"] [WhiteElo "1832"] [BlackElo "1321"] [WhiteRatingDiff "-21"] [BlackRatingDiff "+29"] [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 Bf5 4. c4 Nb4?? { (0.48 → 2.78) Blunder. e6 was best. } (4... e6 5. a3 Nf6 6. h3 Be7 7. Be2 O-O 8. O-O h6 9. Nc3) 5. Qa4+ Bd7?? { (2.52 → 6.29) Blunder. Nc6 was best. } (5... Nc6 6. cxd5 Qxd5 7. Nc3 Qa5 8. Qxa5 Nxa5 9. Bd2 Nc6 10. e4) 6. Qxb4 e5 7. Qc3 a5 8. Nxe5?? { (5.76 → -0.61) Blunder. a3 was best. } (8. a3 e4 9. Ne5 Bd6 10. cxd5 Nf6 11. Nxd7 Qxd7 12. Qc2 O-O 13. Nc3 Rfe8 14. h3 c6) 8... Bb4 9. Nxf7?? { (-0.72 → -5.05) Blunder. cxd5 was best. } (9. cxd5 Ne7) 9... Kxf7 10. Qxb4 axb4 11. cxd5 b3?! { (-5.39 → -4.19) Inaccuracy. Nh6 was best. } (11... Nh6 12. Nd2) 12. a3 c5 13. Bc4 Qa5+ 14. Bd2 Qd8?! { (-5.61 → -3.80) Inaccuracy. Qa4 was best. } (14... Qa4) 15. d6+ Ke8?! { (-4.43 → -3.14) Inaccuracy. Be6 was best. } (15... Be6 16. Bxe6+ Kxe6 17. dxc5 Qg5 18. O-O Qxc5 19. Bc3 Nf6 20. Nd2 Qxd6 21. Nxb3 Rhd8 22. Bxf6) 16. dxc5?! { (-3.14 → -4.05) Inaccuracy. O-O was best. } (16. O-O Qb6) 16... Qg5 17. O-O Bh3 18. Bb5+ Kd8 19. Ba5+ Rxa5 20. Nc3?! { (-11.94 → Mate in 1) Checkmate is now unavoidable. g3 was best. } (20. g3 Rxb5 21. Nc3 Bxf1 22. Rxf1 Ra5 23. Rd1 Qxc5 24. Rd4 Nf6 25. Rb4 Kc8 26. Rxb3 Qxd6) 20... Qxg2# { Black wins by checkmate. } 0-1