lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/feFk9JAq"] [Date "2020.11.16"] [Round "-"] [White "Nicolas9"] [Black "victoriabulgac99"] [Result "0-1"] [UTCDate "2020.11.16"] [UTCTime "17:07:52"] [WhiteElo "1417"] [BlackElo "1931"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+22"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e3 { A00 Van't Kruijs Opening } e5 2. Nf3? { (0.41 → -0.68) Mistake. Best move was d4. } (2. d4 exd4 3. exd4 d5 4. Nf3 Nf6 5. Bd3 Bd6 6. Qe2+ Be6) 2... Nc6? { (-0.68 → 0.60) Mistake. Best move was e4. } (2... e4 3. Nd4 d5 4. c4 c5 5. Nb3 Nf6 6. cxd5 Nxd5 7. d3) 3. Nc3? { (0.60 → -0.48) Mistake. Best move was d4. } (3. d4 e4) 3... Nf6?! { (-0.48 → 0.03) Inaccuracy. Best move was d5. } (3... d5) 4. Ng5? { (0.03 → -1.25) Mistake. Best move was e4. } (4. e4 Bb4) 4... h6?! { (-1.25 → -0.55) Inaccuracy. Best move was d5. } (4... d5 5. d3) 5. Nf3?! { (-0.55 → -1.32) Inaccuracy. Best move was Nge4. } (5. Nge4 Nxe4 6. Nxe4 d5 7. Ng3 Bd6 8. c3 Be6 9. d4 O-O 10. Be2 e4 11. O-O a5) 5... Bb4?! { (-1.32 → -0.47) Inaccuracy. Best move was e4. } (5... e4) 6. a3 Bxc3 7. bxc3 d6?! { (-0.61 → 0.37) Inaccuracy. Best move was d5. } (7... d5) 8. a4?! { (0.37 → -0.23) Inaccuracy. Best move was Be2. } (8. Be2 O-O 9. d3 b6 10. O-O Nd7 11. c4 Na5 12. Bd2 Bb7 13. Bc3 Qe7 14. Nd2 f5) 8... O-O 9. Bb5?! { (0.04 → -0.75) Inaccuracy. Best move was Be2. } (9. Be2 d5) 9... Bd7?! { (-0.75 → 0.10) Inaccuracy. Best move was Re8. } (9... Re8) 10. O-O a6?! { (-0.48 → 0.09) Inaccuracy. Best move was e4. } (10... e4 11. Nd4 Qe8 12. Bb2 Ne5 13. Be2 Bxa4 14. c4 a5 15. Nb5 Bxb5 16. cxb5 b6 17. c4) 11. Bd3?? { (0.09 → -3.89) Blunder. Best move was Be2. } (11. Be2 e4 12. Nd4 Nxd4 13. cxd4 b5 14. a5 Re8 15. f4 Qe7 16. f5 Reb8 17. c3 c5) 11... e4 12. Nd4? { (-3.57 → -4.67) Mistake. Best move was Be2. } (12. Be2 exf3) 12... Nxd4? { (-4.67 → -3.39) Mistake. Best move was exd3. } (12... exd3 13. cxd3 Nxd4 14. cxd4 b5 15. axb5 axb5 16. Bb2 Rxa1 17. Qxa1 Nd5 18. Qd1 Qa8 19. Qb3) 13. exd4? { (-3.39 → -6.11) Mistake. Best move was Bxe4. } (13. Bxe4 Nxe4 14. cxd4 d5 15. d3 Nc3 16. Qh5 f5 17. Ba3 Rf7 18. a5 f4 19. Bb4 Qg5) 13... exd3 14. cxd3 Bc6? { (-6.08 → -4.77) Mistake. Best move was Bg4. } (14... Bg4) 15. f4?! { (-4.77 → -5.28) Inaccuracy. Best move was Bb2. } (15. Bb2 Nd5) 15... Nd5?! { (-5.28 → -4.45) Inaccuracy. Best move was b5. } (15... b5) 16. Qh5? { (-4.45 → -5.63) Mistake. Best move was c4. } (16. c4) 16... Nxf4?? { (-5.63 → -0.97) Blunder. Best move was Qf6. } (16... Qf6) 17. Rxf4 Qg5 18. g4?? { (-1.02 → -9.71) Blunder. Best move was Qxg5. } (18. Qxg5 hxg5 19. Rf1 a5 20. c4 Rae8 21. d5 Bd7 22. Bb2 f6 23. h3 Kf7 24. d4 b6) 18... Qxf4 19. Qa5? { (-9.20 → Mate in 4) Checkmate is now unavoidable. Best move was Qf5. } (19. Qf5 Qxf5 20. gxf5 Rfe8 21. Kf2 Re7 22. c4 Rae8 23. Kg3 Re1 24. Bb2 Rxa1 25. Bxa1 Bxa4) 19... Qxg4+ 20. Kf2 Rae8?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Qg2+. } (20... Qg2+ 21. Ke1 Bf3 22. d5 Qg1#) 21. Qxc7 Qe2+?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Qg2#. } (21... Qg2#) 22. Kg1 Qg2# { Black wins by checkmate. } 0-1