lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/gspTCqV4"] [Date "2021.02.12"] [Round "-"] [White "GabrielCONDUR"] [Black "CornelCoslet"] [Result "1-0"] [UTCDate "2021.02.12"] [UTCTime "17:09:50"] [WhiteElo "2168"] [BlackElo "1545"] [WhiteRatingDiff "+1"] [BlackRatingDiff "-1"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D21"] [Opening "Queen's Gambit Accepted: Rosenthal Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 d5 2. c4 dxc4 3. Nf3 e6 { D21 Queen's Gambit Accepted: Rosenthal Variation } 4. e3?! { (0.80 → 0.23) Inaccuracy. Best move was e4. } (4. e4 b5) 4... c5 5. Bxc4 cxd4?! { (0.31 → 0.91) Inaccuracy. Best move was a6. } (5... a6 6. O-O) 6. exd4?! { (0.91 → 0.40) Inaccuracy. Best move was O-O. } (6. O-O Nc6 7. exd4 Be7 8. Nc3 Nf6 9. a3 O-O 10. Re1 a6 11. Bf4 b5 12. d5 exd5) 6... Nc6 7. O-O Nxd4?? { (0.29 → 4.25) Blunder. Best move was Be7. } (7... Be7 8. Nc3 Nf6 9. Qe2 Nxd4 10. Nxd4 Qxd4 11. Bb5+ Kf8 12. Rd1 Qc5 13. Bd2 a6 14. Bd3) 8. Nxd4 e5?? { (3.79 → 8.18) Blunder. Best move was Nf6. } (8... Nf6 9. Nb5 a6 10. Qxd8+ Kxd8 11. Rd1+ Bd7 12. N5c3 Ke8 13. Be3 Bc6 14. Nd2 h5 15. Bd3) 9. Qb3 Qxd4? { (8.53 → 11.15) Mistake. Best move was Bc5. } (9... Bc5 10. Bxf7+) 10. Bxf7+ Kd8 11. Bxg8 Qg4 12. Rd1+ Bd7 13. Be6 Qe4 14. Nc3 Qc6?! { (30.02 → Mate in 9) Checkmate is now unavoidable. Best move was Qe1+. } (14... Qe1+ 15. Rxe1) 15. Bxd7 Qc7 16. Qf7 Bd6 17. Bg5+ Be7 18. Qxe7# { White wins by checkmate. } 1-0