[Event "Festival ON LINE Alysystem Arena"] [Site "https://lichess.org/YPS3QGD5"] [Date "2021.01.31"] [White "Ivonchis"] [Black "oscarcovarachia"] [Result "0-1"] [UTCDate "2021.01.31"] [UTCTime "01:11:58"] [WhiteElo "893"] [BlackElo "1803"] [WhiteRatingDiff "+0"] [BlackRatingDiff "+0"] [Variant "Standard"] [TimeControl "180+0"] [ECO "C00"] [Opening "French Defense: Diemer-Duhm Gambit Accepted"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 e6 3. e4? { (0.27 → -0.94) Mistake. Nc3 was best. } (3. Nc3 c6 4. cxd5 exd5 5. Bf4 Bd6 6. Bxd6 Qxd6 7. Nf3 Nf6) 3... dxe4 { C00 French Defense: Diemer-Duhm Gambit Accepted } 4. d5? { (-0.95 → -2.21) Mistake. Nc3 was best. } (4. Nc3 f5 5. Nh3 Nf6 6. Be2 Be7 7. Be3 O-O 8. O-O Nc6) 4... Nf6 5. Be2?! { (-2.24 → -3.52) Inaccuracy. Nc3 was best. } (5. Nc3 Bc5 6. Bg5 h6 7. Bxf6 Qxf6 8. Qe2 Bb4 9. Rc1 exd5) 5... Bb4+ 6. Qd2?? { (-3.78 → -9.45) Blunder. Bd2 was best. } (6. Bd2 Bxd2+) 6... Bxd2+ 7. Bxd2 exd5 8. h4 O-O 9. Nf3 exf3 10. Bxf3 dxc4 11. Bxb7 Bxb7 12. Bf4 Bxg2 13. Bxc7?! { (-18.86 → Mate in 2) Checkmate is now unavoidable. Rh2 was best. } (13. Rh2) 13... Qxc7?! { (Mate in 2 → -28.71) Lost forced checkmate sequence. Re8+ was best. } (13... Re8+ 14. Be5 Rxe5#) 14. a4?! { (-28.71 → Mate in 6) Checkmate is now unavoidable. f3 was best. } (14. f3 Bxh1) 14... Qe5+ 15. Kd2 Rd8+ 16. Kc2 Bxh1 17. Nc3 Be4+ 18. Kc1 Qf4# { Black wins by checkmate. } 0-1