[Event "Rated rapid game"] [Site "https://lichess.org/zNpNvww0"] [Date "2021.06.21"] [White "Komagene"] [Black "LeBongol"] [Result "0-1"] [UTCDate "2021.06.21"] [UTCTime "12:31:08"] [WhiteElo "1349"] [BlackElo "1370"] [WhiteRatingDiff "-5"] [BlackRatingDiff "+20"] [Variant "Standard"] [TimeControl "600+5"] [ECO "D00"] [Opening "Queen's Pawn Game: Accelerated London System, Steinitz Countergambit Accepted"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. Bf4 c5 3. dxc5 { D00 Queen's Pawn Game: Accelerated London System, Steinitz Countergambit Accepted } Nf6 4. Nc3 d4 5. Na4? { (-0.81 → -2.58) Mistake. Nb1 was best. } (5. Nb1 e5 6. Bxe5 Nc6 7. Bxf6 Qxf6 8. g3 Bxc5 9. Nf3 Bf5) 5... Qa5+ 6. Nc3? { (-3.21 → -6.46) Mistake. c3 was best. } (6. c3 Bd7 7. Qxd4 Qxa4 8. Nf3 g6 9. g3 Bg7 10. Bg2 Qa6) 6... dxc3 7. b3 Qxc5 8. e3 Nc6 9. Nf3 e5 10. Bg3 Be7 11. Bc4 Ne4?! { (-8.16 → -5.86) Inaccuracy. Bg4 was best. } (11... Bg4 12. Qc1) 12. Nh4?! { (-5.86 → -8.83) Inaccuracy. Qd5 was best. } (12. Qd5 Qxd5 13. Bxd5 Nxg3 14. Bxc6+ bxc6 15. hxg3 f6 16. e4 O-O 17. O-O Bg4 18. Rfd1 Rfd8) 12... Nxg3 13. hxg3 g6 14. Qf3 O-O 15. Nxg6 hxg6 16. Rh6 Bf5 17. O-O-O?! { (-10.05 → Mate in 2) Checkmate is now unavoidable. Kf1 was best. } (17. Kf1 Kg7) 17... Qa3+ 18. Kb1 Qb2# { Black wins by checkmate. } 0-1