[Event "CIS TRIAL TOURNAMENT 2"] [Site "https://lichess.org/qJ1M5n1z"] [Date "2021.08.06"] [White "amajumdar4a"] [Black "Keosha_Saha_cis_5b"] [Result "0-1"] [UTCDate "2021.08.06"] [UTCTime "09:40:22"] [WhiteElo "1748"] [BlackElo "1500"] [WhiteRatingDiff "-333"] [BlackRatingDiff "+326"] [Variant "Standard"] [TimeControl "300+0"] [ECO "D00"] [Opening "Queen's Pawn Game"] [Termination "Normal"] [Annotator "lichess.org"] 1. e3 d5 2. d4 { D00 Queen's Pawn Game } e6 3. c3 f5 4. b4 b5?? { (0.08 → 2.11) Blunder. Nf6 was best. } (4... Nf6 5. Qb3) 5. a3?? { (2.11 → 0.37) Blunder. Bxb5+ was best. } (5. Bxb5+ c6 6. Be2 a5 7. bxa5 Qxa5 8. Nf3 Nf6 9. O-O Ne4 10. a4 Ba6 11. Ne5 Nd7) 5... Qg5?? { (0.37 → 2.71) Blunder. Bd7 was best. } (5... Bd7 6. a4 bxa4 7. Nf3 Nf6 8. b5 c6 9. bxc6 Nxc6 10. Bb5 Rb8 11. Bxa4 Bd6 12. Ba3) 6. e4 Qxg2?? { (2.58 → 11.28) Blunder. Qd8 was best. } (6... Qd8) 7. exf5?? { (11.28 → -5.60) Blunder. Bxg2 was best. } (7. Bxg2 fxe4 8. f3 e3 9. Bxe3 Ne7 10. Bf2 Bd7 11. Nd2 Nf5 12. f4 Nc6 13. Ne2 Bd6) 7... Qxh1 8. Nf3 Qxf1+?? { (-6.59 → 3.71) Blunder. Nf6 was best. } (8... Nf6 9. Bg5 Ne4 10. Nbd2 Bd6 11. Nxe4 dxe4 12. Nd2 exf5 13. Qh5+ g6 14. Qh6 Kf7 15. Bf4) 9. Kd2?? { (3.71 → -13.36) Blunder. Kxf1 was best. } (9. Kxf1) 9... Qxd1+ 10. Ke3 Qxc1+ 11. Ke2 Qxc3 12. Kf1 Qxf3 13. Ra2 Qxf5 14. f4?! { (-32.12 → Mate in 7) Checkmate is now unavoidable. Nd2 was best. } (14. Nd2 Nc6) 14... Qxb1+ 15. Kg2 Qxa2+ 16. Kh3 Qxa3+ 17. Kg4 Qxb4 18. Kh5 e5 19. dxe5 Qxf4 20. h4 Qxe5# { Black wins by checkmate. } 0-1