lichess dev

[Event "Grupa 2 Arena"] [Site "http://chess-academy.net/RcS5PFam"] [Date "2021.08.02"] [Round "-"] [White "Doina"] [Black "David2011"] [Result "1-0"] [UTCDate "2021.08.02"] [UTCTime "16:58:10"] [WhiteElo "1333"] [BlackElo "1379"] [WhiteRatingDiff "+15"] [BlackRatingDiff "-168"] [Variant "Standard"] [TimeControl "420+5"] [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. d3? { (0.72 → -0.35) Mistake. Best move was d4. } (2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. c3 a6 6. Be3 Nge7) 2... Nf6?! { (-0.35 → 0.48) Inaccuracy. Best move was e5. } (2... e5) 3. Nc3? { (0.48 → -0.52) Mistake. Best move was f4. } (3. f4 e5) 3... a5? { (-0.52 → 0.87) Mistake. Best move was d5. } (3... d5 4. exd5) 4. d4 Nxd4?? { (0.56 → 4.16) Blunder. Best move was e6. } (4... e6 5. e5) 5. Bc4?? { (4.16 → -1.45) Blunder. Best move was Qxd4. } (5. Qxd4 d6 6. e5 dxe5 7. Qxd8+ Kxd8 8. Nf3 Ne8 9. Nxe5 Nd6 10. Be3 g6 11. O-O-O Be6) 5... Nxc2+?? { (-1.45 → 3.45) Blunder. Best move was e5. } (5... e5 6. Nf3 Nxf3+ 7. Qxf3 Bb4 8. a3 Bxc3+ 9. Qxc3 O-O 10. O-O c6 11. Qxe5 Re8 12. Qg3) 6. Qxc2 Nxe4?? { (2.79 → 6.23) Blunder. Best move was e6. } (6... e6) 7. Qxe4 d6? { (5.59 → 6.78) Mistake. Best move was c6. } (7... c6 8. Bd3) 8. Qd5? { (6.78 → 5.14) Mistake. Best move was Nf3. } (8. Nf3 e6 9. O-O Be7 10. Qg4 O-O 11. Bh6 Bf6 12. Bd3 Re8 13. Rae1 e5 14. Qg3 Be6) 8... c6?? { (5.14 → 9.43) Blunder. Best move was e6. } (8... e6) 9. Qxf7+ Kd7 10. Be6+?! { (9.45 → 8.46) Inaccuracy. Best move was Be3. } (10. Be3 Kc7 11. Na4 Kb8 12. Nb6 e5 13. Nf3 Qe7 14. O-O Qxf7 15. Bxf7 Be7 16. Nxa8 Kxa8) 10... Kc7 11. Nd5+? { (8.78 → 6.68) Mistake. Best move was Be3. } (11. Be3 Bxe6 12. Qxe6 Ra6 13. Nf3 Qd7 14. Qc4 e6 15. O-O Kb8 16. Rfd1 d5 17. Na4 Bd6) 11... Kb8? { (6.68 → 8.67) Mistake. Best move was cxd5. } (11... cxd5) 12. Nf4 Bxe6?! { (8.39 → 9.20) Inaccuracy. Best move was g5. } (12... g5 13. Bxc8) 13. Nxe6 h5?! { (9.11 → 25.77) Inaccuracy. Best move was Qc8. } (13... Qc8 14. Ne2) 14. Nxd8 Ka7 15. Qe8 Kb6 16. Qd7 Kb5?! { (23.33 → Mate in 5) Checkmate is now unavoidable. Best move was Rb8. } (16... Rb8 17. Ne2) 17. Qxb7+ Kc4 18. Qxa8?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Qb3+. } (18. Qb3+ Kd4 19. Nf3+ Ke4 20. Qc2+ Kd5 21. Qxc6#) 18... Kd3 19. Qxc6 Kd4 20. Ne6+?! { (Mate in 3 → Mate in 5) Not the best checkmate sequence. Best move was Nf3+. } (20. Nf3+ Kd3 21. Qd5+ Kc2 22. Qb3#) 20... Ke5 21. Nxf8?! { (Mate in 5 → 35.26) Lost forced checkmate sequence. Best move was Nf4. } (21. Nf4 e6 22. Qc3+ Kf5 23. Qh3+ Ke5 24. Qxe6+ Kd4 25. Be3#) 21... Kf6?! { (35.26 → Mate in 4) Checkmate is now unavoidable. Best move was Rxf8. } (21... Rxf8 22. Qc3+) 22. Nd7+?! { (Mate in 4 → Mate in 6) Not the best checkmate sequence. Best move was Qf3+. } (22. Qf3+ Ke5 23. Bf4+ Kf5 24. Bxd6+ Kg5 25. Qf4#) 22... Ke6 23. Nf3 Kf5 24. Nh4+?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Ng5. } (24. Ng5 Kg6 25. Qc2+ Kh6 26. Nf7#) 24... Kg4 25. g3?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Qa4#. } (25. Qa4#) 25... Kh3 26. Qg2+ Kg4 27. Bd2?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was h3#. } (27. h3#) 27... e6 28. Rc1?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was h3#. } (28. h3#) 28... e5 29. Rc4+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was f3#. } (29. f3#) 29... e4 30. Rxe4# { White wins by checkmate. } 1-0