lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/FmpFX4TH"] [Date "2021.02.21"] [Round "-"] [White "Lefrancois_Jean"] [Black "Stefan_Vasilis"] [Result "1-0"] [UTCDate "2021.02.21"] [UTCTime "17:08:30"] [WhiteElo "1641"] [BlackElo "1076"] [WhiteRatingDiff "+13"] [BlackRatingDiff "-2"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Queen's Pawn Game: Chigorin Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 d5 2. Nc3?! { (0.53 → -0.15) Inaccuracy. Best move was c4. } { D00 Queen's Pawn Game: Chigorin Variation } (2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. e3 O-O 6. Be2 Nbd7) 2... Nc6?! { (-0.15 → 0.56) Inaccuracy. Best move was Nf6. } (2... Nf6 3. Bf4 e6 4. e3 Bb4 5. Ne2 O-O 6. g3 c5 7. a3) 3. Bf4?! { (0.56 → -0.09) Inaccuracy. Best move was e4. } (3. e4 dxe4 4. d5 Nb8 5. Bc4 Nf6 6. Nge2 e6 7. Bg5 Be7) 3... Bf5?! { (-0.09 → 0.81) Inaccuracy. Best move was e5. } (3... e5) 4. e3?! { (0.81 → -0.05) Inaccuracy. Best move was e4. } (4. e4 e5 5. exf5 exf4 6. Bb5 Bb4 7. Nh3 Qh4 8. Qf3 Ne7 9. O-O-O O-O-O 10. Bxc6 bxc6) 4... e6 5. Bd3 Bd6? { (-0.12 → 1.65) Mistake. Best move was Bxd3. } (5... Bxd3 6. Qxd3 Bd6 7. Nf3 Nge7 8. O-O Bxf4 9. exf4 O-O 10. Ne2 Nf5 11. c3 Nce7 12. Rad1) 6. Bxf5 exf5?! { (1.02 → 1.73) Inaccuracy. Best move was Bxf4. } (6... Bxf4 7. Bxe6 fxe6 8. exf4 Qf6 9. Nf3 Qxf4 10. Qe2 Kf7 11. g3 Qf5 12. O-O-O Nf6 13. Rhe1) 7. Bg3? { (1.73 → -0.01) Mistake. Best move was Nxd5. } (7. Nxd5) 7... Bxg3 8. hxg3 g5? { (-0.17 → 1.56) Mistake. Best move was Nf6. } (8... Nf6 9. Qe2 Qd6 10. O-O-O O-O-O 11. Nf3 Kb8 12. Qe1 Ne4 13. Kb1 a6 14. Ne2 g6 15. Nf4) 9. Nf3 g4?! { (1.32 → 1.93) Inaccuracy. Best move was f6. } (9... f6) 10. Ne5 Nf6?! { (1.61 → 2.34) Inaccuracy. Best move was Nce7. } (10... Nce7 11. Qe2 c6 12. O-O-O Nf6 13. f3 Qd6 14. e4 Qe6 15. exd5 Nfxd5 16. Nxd5 Nxd5 17. fxg4) 11. f3? { (2.34 → 0.04) Mistake. Best move was Nxc6. } (11. Nxc6 bxc6) 11... Nxe5? { (0.04 → 2.55) Mistake. Best move was Qd6. } (11... Qd6) 12. dxe5 Nd7?! { (2.46 → 3.09) Inaccuracy. Best move was Ng8. } (12... Ng8 13. Nxd5 h6 14. Qd4 c6 15. Nf4 Qxd4 16. exd4 Ne7 17. Kf2 O-O-O 18. Ne2 h5 19. a4) 13. Qxd5?! { (3.09 → 2.47) Inaccuracy. Best move was Qd4. } (13. Qd4 f6) 13... Nxe5?? { (2.47 → 15.51) Blunder. Best move was c6. } (13... c6 14. Qd4) 14. Qxe5+ Kd7?! { (14.20 → Mate in 8) Checkmate is now unavoidable. Best move was Qe7. } (14... Qe7 15. Qxh8+) 15. O-O-O+ Kc8 16. Rxd8+ Kxd8 17. Nd5?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Rd1+. } (17. Rd1+ Kc8 18. Qxh8#) 17... c6 18. Qe7+ Kc8 19. Qc7# { White wins by checkmate. } 1-0