lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/et22XAfb"] [Date "2021.03.25"] [Round "-"] [White "danu"] [Black "eugenio23"] [Result "0-1"] [UTCDate "2021.03.25"] [UTCTime "17:56:16"] [WhiteElo "1442"] [BlackElo "1974"] [WhiteRatingDiff "-5"] [BlackRatingDiff "+1"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C00"] [Opening "French Defense: Knight Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e6 2. Nf3 { C00 French Defense: Knight Variation } d5 3. exd5 exd5 4. Nc3?! { (0.36 → -0.53) Inaccuracy. Best move was d4. } (4. d4 Nf6 5. Bd3 Bd6 6. Qe2+ Be6 7. c4 Bb4+ 8. Nc3 O-O) 4... Nf6?! { (-0.53 → 0.38) Inaccuracy. Best move was d4. } (4... d4) 5. d4 c5?! { (0.02 → 0.91) Inaccuracy. Best move was Bd6. } (5... Bd6 6. Bd3 O-O 7. O-O c6 8. h3 Na6 9. a3 Nc7 10. Re1) 6. dxc5? { (0.91 → -0.25) Mistake. Best move was Bb5+. } (6. Bb5+ Nc6 7. O-O Be6 8. Be3 c4 9. Ne5 Qc7 10. f4 g6 11. g4 O-O-O 12. h3 Kb8) 6... Bxc5 7. Be3?! { (0.00 → -0.83) Inaccuracy. Best move was Bd3. } (7. Bd3 O-O 8. O-O Nc6 9. Re1 h6 10. Bf4 a6 11. Qd2 Be6 12. Bxh6 gxh6 13. Qxh6 Bxf2+) 7... Nbd7? { (-0.83 → 0.88) Mistake. Best move was Bxe3. } (7... Bxe3 8. fxe3) 8. Bxc5?! { (0.88 → 0.00) Inaccuracy. Best move was Nxd5. } (8. Nxd5 O-O) 8... Nxc5 9. Bb5+ Bd7 10. Bxd7+ Qxd7 11. O-O?! { (0.47 → -0.36) Inaccuracy. Best move was Qe2+. } (11. Qe2+ Ne6 12. O-O-O O-O 13. Nd4 Rfe8 14. Nxe6 Qxe6 15. Qd2 Ne4 16. Nxe4 dxe4 17. Kb1 Qf6) 11... O-O 12. Ne5?! { (0.20 → -0.32) Inaccuracy. Best move was Qd2. } (12. Qd2) 12... Qd6 13. Nd3 Nxd3?! { (-0.24 → 0.32) Inaccuracy. Best move was Rac8. } (13... Rac8 14. Nxc5 Qxc5 15. Rc1 Rfe8 16. Qd3 a6 17. Rcd1 b5 18. a3 b4 19. axb4 Qxb4 20. Rb1) 14. Qxd3 d4? { (-0.05 → 1.05) Mistake. Best move was Rac8. } (14... Rac8 15. h3 Qb6 16. Rab1 Rfe8 17. Rfd1 a6 18. Ne2 g6 19. Nd4 Qc7 20. c3 Qc4 21. Qxc4) 15. Ne4? { (1.05 → -0.12) Mistake. Best move was Nb5. } (15. Nb5 Qb6) 15... Nxe4 16. Qxe4 Qb4 17. b3 Qc3 18. Qxb7 Qxc2 19. Qd5? { (0.00 → -1.23) Mistake. Best move was Qf3. } (19. Qf3 Rac8 20. Qd1 Rfd8 21. Rc1 Qb2 22. Rxc8 Rxc8 23. Qa1 Qd2 24. Rd1 Qb4 25. Qb1 Re8) 19... d3? { (-1.23 → 0.00) Mistake. Best move was Rfd8. } (19... Rfd8 20. Qa5) 20. Rfc1 Rad8 21. Qxd8?? { (0.00 → -11.14) Blunder. Best move was Rxc2. } (21. Rxc2 Rxd5 22. Rd2 g5 23. Rc1 a5 24. f3 Kg7 25. Kf2 Kg6 26. Rc3 Rfd8 27. Rc6+ f6) 21... Rxd8 22. Rxc2 dxc2 23. g3 Rd1+ 24. Rxd1 cxd1=Q+ 25. Kg2 Qc2 26. Kh3?! { (-15.64 → Mate in 6) Checkmate is now unavoidable. Best move was b4. } (26. b4 Qxa2) 26... Qxa2?! { (Mate in 6 → -73.16) Lost forced checkmate sequence. Best move was Qxf2. } (26... Qxf2 27. a4 Qf3 28. Kh4 f6 29. b4 g5+ 30. Kh3 h5 31. b5 Qf1#) 27. f4?! { (-73.16 → Mate in 5) Checkmate is now unavoidable. Best move was Kg2. } (27. Kg2 a5) 27... Qxb3?! { (Mate in 5 → Mate in 10) Not the best checkmate sequence. Best move was f5. } (27... f5 28. g4 Qf2 29. gxf5 h5 30. f6 Qf3+ 31. Kh4 Qg4#) 28. Kg4 a6 29. h4 a5 30. h5 a4 31. f5 a3 32. Kg5 f6+?! { (Mate in 1 → Mate in 4) Not the best checkmate sequence. Best move was Qxg3#. } (32... Qxg3#) 33. Kg4 a2 34. h6 a1=Q 35. hxg7 Qd4+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Qh1. } (35... Qh1 36. Kf4 Qbf3#) 36. Kh5 Qf3+ 37. g4 Qh3# { Black wins by checkmate. } 0-1