[Event "EAST GRINSTEAD BOOKSHOP CHESS Arena"] [Site "https://lichess.org/UK9pGevs"] [Date "2020.07.07"] [White "JonL12345"] [Black "Lightningdragon2019"] [Result "1-0"] [UTCDate "2020.07.07"] [UTCTime "17:41:32"] [WhiteElo "1894"] [BlackElo "1500"] [WhiteRatingDiff "+1"] [BlackRatingDiff "-1"] [Variant "Standard"] [TimeControl "600+5"] [ECO "D00"] [Opening "Blackmar-Diemer Gambit Accepted: Pietrowsky Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. e4?! { (0.20 → -0.60) Inaccuracy. c4 was best. } (2. c4 e6 3. Nc3 Be7 4. cxd5 exd5 5. Bf4 Nf6 6. e3 O-O) 2... dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Nc6 { D00 Blackmar-Diemer Gambit Accepted: Pietrowsky Defense } 6. Bd3 Nxd4?? { (-0.62 → 2.91) Blunder. g6 was best. } (6... g6 7. Ne2 Bg7 8. O-O O-O 9. h3 e5 10. dxe5 Nd7 11. Bg5) 7. Nxd4 Qxd4?? { (2.98 → 7.66) Blunder. c6 was best. } (7... c6 8. Nf3) 8. Bb5+ c6 9. Qxd4 cxb5 10. Nxb5 e6?! { (16.30 → Mate in 9) Checkmate is now unavoidable. e5 was best. } (10... e5 11. Nc7+ Ke7 12. Qxe5+ Be6 13. Nxa8 Nd7 14. Qa5 f6 15. Nc7 b6 16. Qxa7 Bf5 17. Nd5+) 11. Nc7+ Ke7 12. Bf4?! { (Mate in 8 → 15.94) Lost forced checkmate sequence. Bg5 was best. } (12. Bg5 e5 13. Qxe5+ Kd8 14. O-O-O+ Bd7 15. Nxa8 Bb4 16. Rhe1 Bxe1 17. Rxe1 Be6 18. Qd6+ Ke8) 12... Nd7 13. Bd6+ Kd8 14. Nxa8 Bxd6 15. Qxd6 Ke8?! { (21.30 → Mate in 7) Checkmate is now unavoidable. b5 was best. } (15... b5 16. O-O-O) 16. O-O-O Nb6 17. Qd8# { White wins by checkmate. } 1-0