lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/dub7bvjC"] [Date "2021.01.03"] [Round "-"] [White "CoronavirusAttack"] [Black "Nicolas9"] [Result "1-0"] [UTCDate "2021.01.03"] [UTCTime "17:48:12"] [WhiteElo "1841"] [BlackElo "1384"] [WhiteRatingDiff "+3"] [BlackRatingDiff "-2"] [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 } e6 2. Nf3 Bb4?! { (0.09 → 0.87) Inaccuracy. Best move was Nf6. } (2... Nf6 3. d4 Be7 4. c4 d5 5. cxd5 exd5 6. Nc3 O-O 7. Bd3) 3. Be2?! { (0.87 → 0.15) Inaccuracy. Best move was c3. } (3. c3 Be7 4. e4 d5 5. e5 Nh6 6. d4 Nf5 7. g4 Nh4 8. Nxh4 Bxh4 9. Nd2 O-O) 3... Qf6? { (0.15 → 1.76) Mistake. Best move was Nf6. } (3... Nf6) 4. c3?! { (1.76 → 1.00) Inaccuracy. Best move was e4. } (4. e4 Qd8 5. e5 Ba5 6. c3 c6 7. d4 d6 8. Nbd2 Bc7 9. Qc2 Ne7 10. O-O dxe5) 4... Ba5?! { (1.00 → 1.88) Inaccuracy. Best move was Be7. } (4... Be7) 5. O-O?! { (1.88 → 1.06) Inaccuracy. Best move was e4. } (5. e4 c6 6. e5 Qd8 7. d4 d6 8. Nbd2 Bc7 9. Qc2 Nd7 10. exd6 Bxd6 11. Bd3 Ne7) 5... d5?? { (1.06 → 4.71) Blunder. Best move was c6. } (5... c6) 6. b4?? { (4.71 → 1.54) Blunder. Best move was Qa4+. } (6. Qa4+ Nc6 7. Bb5 Bd7 8. Bxc6 Bxc6 9. Qxa5 b6 10. Qa6 Ne7 11. d4 Ng6 12. b3 O-O) 6... Bb6 7. a4?! { (2.02 → 1.30) Inaccuracy. Best move was d4. } (7. d4 c6 8. c4 Ne7 9. Nc3 Nf5 10. Qc2 O-O 11. b5 Rd8 12. c5 Ba5 13. Bd3 Nd7) 7... a5?! { (1.30 → 2.05) Inaccuracy. Best move was c6. } (7... c6) 8. b5 c6?! { (1.87 → 2.58) Inaccuracy. Best move was Ne7. } (8... Ne7 9. d4 Nd7 10. Ba3 O-O 11. c4 c5 12. Nc3 Rd8 13. Rc1 dxc4 14. Ne4 Qg6 15. Nxc5) 9. Qc2? { (2.58 → 1.14) Mistake. Best move was d4. } (9. d4 Nd7 10. c4 Bc5 11. Nc3 Bb4 12. Na2 Be7 13. Bd3 Nc5 14. Bb1 dxc4 15. e4 Nd3) 9... cxb5? { (1.14 → 2.68) Mistake. Best move was e5. } (9... e5 10. c4 Ne7 11. Bb2 Nd7 12. Nc3 Bd8 13. Ba3 Qg6 14. Qxg6 hxg6 15. bxc6 bxc6 16. cxd5) 10. Bxb5+? { (2.68 → 1.41) Mistake. Best move was axb5. } (10. axb5) 10... Bd7?! { (1.41 → 1.98) Inaccuracy. Best move was Nc6. } (10... Nc6) 11. Nd4? { (1.98 → 0.11) Mistake. Best move was Na3. } (11. Na3 Ne7) 11... Bc5? { (0.11 → 1.18) Mistake. Best move was Ne7. } (11... Ne7) 12. Na3 e5? { (0.72 → 2.16) Mistake. Best move was Ne7. } (12... Ne7 13. Be2) 13. Bxd7+? { (2.16 → 1.03) Mistake. Best move was Nb3. } (13. Nb3 Bb6) 13... Nxd7 14. Ndb5?! { (1.47 → 0.83) Inaccuracy. Best move was Nab5. } (14. Nab5 Rc8) 14... Bb6 15. c4?! { (1.43 → 0.74) Inaccuracy. Best move was d4. } (15. d4 Ne7 16. Qb3 O-O 17. Nc2 Qe6 18. Ba3 Nf6 19. dxe5 Qxe5 20. Nbd4 Bxd4 21. exd4 Qc7) 15... dxc4?? { (0.74 → 5.92) Blunder. Best move was Ne7. } (15... Ne7 16. Bb2 O-O 17. d4 Rac8 18. c5 Bc7 19. Nxc7 Rxc7 20. Qd2 Rc6 21. Qxa5 Qg6 22. Nb5) 16. Nxc4 Bc5?? { (5.46 → 8.76) Blunder. Best move was Ne7. } (16... Ne7 17. Nxb6) 17. Nc7+ Kd8? { (8.39 → 9.40) Mistake. Best move was Kf8. } (17... Kf8 18. Nxa8 Bb4 19. Ba3 Qd8 20. Bxb4+ axb4 21. Qb3 g5 22. Qxb4+ Kg7 23. Qxb7 h5 24. Nc7) 18. Nxa8 Ne7?! { (9.14 → 10.06) Inaccuracy. Best move was Qc6. } (18... Qc6 19. Qb3 Bb4 20. d4 Ngf6 21. Ba3 Bxa3 22. Nxa5 Qc8 23. Nxb7+ Ke8 24. Rxa3 Qb8 25. Qb5) 19. Bb2? { (10.06 → 8.90) Mistake. Best move was d4. } (19. d4 Bb4) 19... b5? { (8.90 → 13.27) Mistake. Best move was Qg6. } (19... Qg6) 20. axb5 a4 21. Rxa4 Re8 22. Qe4 Nb6 23. Naxb6 Bd6?! { (28.18 → Mate in 5) Checkmate is now unavoidable. Best move was Bxb6. } (23... Bxb6 24. Nxb6) 24. Ra8+?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Qb7. } (24. Qb7 Qe6 25. Nxd6 Nc8 26. Ra8 Rh8 27. Rc1 Qxd6 28. Rcxc8#) 24... Nc8 25. Rxc8+?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Qb7. } (25. Qb7 Qe6 26. Nxd6 Rh8 27. Rc1 Qxd6 28. Rcxc8#) 25... Ke7 26. Nxd6?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was Qb7+. } (26. Qb7+ Kf8 27. Rxe8+ Kxe8 28. Qd7+ Kf8 29. Qc8+ Ke7 30. Nd5#) 26... Qxd6 27. Bxe5 Qxb6 28. Bxg7+?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Rxe8+. } (28. Rxe8+ Kxe8 29. Bd6+ Kd7 30. Qe7+ Kc8 31. Rc1+ Qc5 32. Rxc5#) 28... Kd7 29. Qxe8+ Kd6 30. Rc6+?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Bf6. } (30. Bf6 Qa6 31. Rc6+ Qxc6 32. Qxc6#) 30... Qxc6 31. Qxc6+ Ke7 32. Bf6+ Kf8 33. Qc8# { White wins by checkmate. } 1-0