lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/rIrtWID4"] [Date "2020.12.26"] [Round "-"] [White "Nicolas9"] [Black "mihaiplostinaru"] [Result "0-1"] [UTCDate "2020.12.26"] [UTCTime "17:52:05"] [WhiteElo "1396"] [BlackElo "1553"] [WhiteRatingDiff "-7"] [BlackRatingDiff "+7"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B00"] [Opening "Nimzowitsch Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 Nc6?! { (0.12 → 0.72) Inaccuracy. Best move was e6. } { B00 Nimzowitsch Defense } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. Qf3? { (0.72 → -0.97) Mistake. Best move was d4. } (2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. c3 a6 6. Be3 Nge7) 2... d5? { (-0.97 → 0.62) Mistake. Best move was Nf6. } (2... Nf6 3. Nc3 e5 4. Bd3 Bc5 5. Nge2 O-O 6. a3 d6 7. h3) 3. exd5 Nd4 4. Qd3 Qxd5 5. Qc3?? { (0.71 → -2.67) Blunder. Best move was Nc3. } (5. Nc3 Qd6 6. Nge2 Nxe2 7. Bxe2 Qxd3 8. Bxd3 Bd7 9. b3 O-O-O 10. Bb2 e6 11. a4 Nf6) 5... e6? { (-2.67 → -0.58) Mistake. Best move was e5. } (5... e5 6. a3 Bd6 7. d3 Ne7 8. Be3 c5 9. Qd2 Qc6 10. Nf3 Nxf3+ 11. gxf3 f5 12. Qd1) 6. b4? { (-0.58 → -3.20) Mistake. Best move was Ne2. } (6. Ne2) 6... Qe5+?? { (-3.20 → -0.19) Blunder. Best move was Bxb4. } (6... Bxb4 7. Qb2 Nf6 8. f3 Nc6 9. Nc3 Qh5 10. h4 O-O 11. Bd3 Qc5 12. Nge2 Ne5 13. Rb1) 7. Be2? { (-0.19 → -2.71) Mistake. Best move was Ne2. } (7. Ne2 Nc6) 7... Qe4?! { (-2.71 → -2.08) Inaccuracy. Best move was Bxb4. } (7... Bxb4 8. Qc4) 8. f3? { (-2.08 → -4.05) Mistake. Best move was Na3. } (8. Na3 Qxg2 9. Bf3 Nxf3+ 10. Qxf3 Qxf3 11. Nxf3 Bd7 12. Nc4 f6 13. Rg1 O-O-O 14. Rb1 a6) 8... Nxc2+ 9. Kd1? { (-3.61 → -4.77) Mistake. Best move was Kf2. } (9. Kf2 Qc6) 9... Qg6 10. Qxc2 Qxg2 11. Bb5+? { (-4.50 → -6.15) Mistake. Best move was Qxc7. } (11. Qxc7 Nf6) 11... c6?? { (-6.15 → -2.55) Blunder. Best move was Bd7. } (11... Bd7 12. Bxd7+) 12. Bc4?? { (-2.55 → -10.01) Blunder. Best move was Bxc6+. } (12. Bxc6+ Kd8) 12... Qxh1 13. b5 Qxg1+ 14. Ke2 Qxh2+ 15. Kd1 Bc5 16. bxc6? { (-9.83 → Mate in 7) Checkmate is now unavoidable. Best move was Qd3. } (16. Qd3 Ne7 17. Kc2 Bd7 18. Nc3 O-O-O 19. a4 Be8 20. Qf1 Nf5 21. Kb1 cxb5 22. Nxb5 Kb8) 16... Qg1+ 17. Ke2 Qf2+ 18. Kd1 e5? { (Mate in 5 → -8.75) Lost forced checkmate sequence. Best move was Qxf3+. } (18... Qxf3+ 19. Ke1 Bf2+ 20. Kf1 Bg3+ 21. Kg1 Qf2+ 22. Kh1 Qh2#) 19. cxb7? { (-8.75 → Mate in 3) Checkmate is now unavoidable. Best move was Qe4. } (19. Qe4 Qg1+) 19... Qxf3+ 20. Ke1 Bf2+ 21. Kf1 Bh3# { Black wins by checkmate. } 0-1