lichess dev

[Event "Berger Arena"] [Site "http://chess-academy.net/9dlhjQei"] [Date "2021.03.02"] [Round "-"] [White "Marius"] [Black "ice-fan"] [Result "0-1"] [UTCDate "2021.03.02"] [UTCTime "18:32:16"] [WhiteElo "1614"] [BlackElo "1852"] [WhiteRatingDiff "-5"] [BlackRatingDiff "+9"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A01"] [Opening "Nimzo-Larsen Attack: Classical Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. b3 d5 { A01 Nimzo-Larsen Attack: Classical Variation } 2. Na3? { (0.19 → -1.39) Mistake. Best move was Nf3. } (2. Nf3 Bf5 3. Bb2 Nf6 4. e3 e6 5. Be2 h6 6. O-O Nbd7) 2... e5 3. Bb2 Nc6 4. c3 Nf6 5. Qc2? { (-0.86 → -2.01) Mistake. Best move was e3. } (5. e3 a6 6. Nc2 Bd6 7. Ne2 Be6 8. d4 h5 9. dxe5 Nxe5 10. f3 h4 11. Ned4 c5) 5... g6?! { (-2.01 → -1.26) Inaccuracy. Best move was Bd6. } (5... Bd6 6. e3) 6. O-O-O?? { (-1.26 → -4.31) Blunder. Best move was e3. } (6. e3 Bd6 7. d3 O-O 8. Qd2 Be6 9. Nc2 a5 10. Nf3 e4 11. Nfd4 Nxd4 12. Nxd4 c6) 6... Bg7? { (-4.31 → -1.61) Mistake. Best move was Ne4. } (6... Ne4) 7. Nf3? { (-1.61 → -4.27) Mistake. Best move was d3. } (7. d3 Qe7 8. Kb1 O-O 9. h3 Rb8 10. Qd2 b5 11. Nc2 a5 12. g4 e4 13. f4 b4) 7... Bf5? { (-4.27 → -1.95) Mistake. Best move was Ne4. } (7... Ne4) 8. d3 O-O?! { (-2.16 → -1.64) Inaccuracy. Best move was e4. } (8... e4) 9. g3? { (-1.64 → -2.76) Mistake. Best move was h3. } (9. h3 h5) 9... Qe7?! { (-2.76 → -1.83) Inaccuracy. Best move was a5. } (9... a5) 10. Bg2?! { (-1.83 → -2.58) Inaccuracy. Best move was h3. } (10. h3 e4) 10... e4 11. dxe4? { (-2.18 → -4.76) Mistake. Best move was Nd4. } (11. Nd4) 11... Nxe4? { (-4.76 → -2.90) Mistake. Best move was Bxe4. } (11... Bxe4) 12. Nh4 Nxc3?? { (-3.28 → -0.09) Blunder. Best move was Nxf2. } (12... Nxf2 13. Nxf5 gxf5 14. Kb1 Nxd1 15. Rxd1 Rfe8 16. Re1 Qd7 17. Rd1 Qe6 18. e3 Qxe3 19. Bxd5) 13. Nxf5 gxf5 14. Bxc3 Qxa3+ 15. Kd2?? { (-0.27 → -6.19) Blunder. Best move was Bb2. } (15. Bb2) 15... d4 16. Bxc6?? { (-5.08 → -8.45) Blunder. Best move was Bb2. } (16. Bb2) 16... dxc3+ 17. Ke1 bxc6 18. Qxf5? { (-7.88 → -11.73) Mistake. Best move was e3. } (18. e3 Rad8) 18... Rfd8 19. Rxd8+ Rxd8 20. Kf1 Qxa2 21. Kg2 Qxe2 22. Rc1 Qe5 23. Qxe5 Bxe5 24. Re1 c2 25. f4 Bc3 26. Rc1 Rd2+ 27. Kf3 Bb2 28. Re1?! { (-14.17 → Mate in 11) Checkmate is now unavoidable. Best move was Rxc2. } (28. Rxc2 Rxc2) 28... Rd1 29. Rxd1?! { (-26.74 → Mate in 6) Checkmate is now unavoidable. Best move was Re4. } (29. Re4 c1=Q) 29... cxd1=Q+ 30. Ke3 Qc2?! { (Mate in 5 → Mate in 9) Not the best checkmate sequence. Best move was f5. } (30... f5 31. Kf2 Bd4+ 32. Kg2 Qg1+ 33. Kh3 Bf6 34. b4 Qf1#) 31. Kf3 Qxb3+ 32. Kg4 Qd1+ 33. Kf5 c5?! { (Mate in 3 → Mate in 5) Not the best checkmate sequence. Best move was h6. } (33... h6 34. h3 Qe2 35. g4 Qc2#) 34. Kg5 c4?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was h6+. } (34... h6+ 35. Kh4 f5 36. Kh3 Qf3 37. Kh4 Qg4#) 35. Kf5 c3?! { (Mate in 3 → Mate in 5) Not the best checkmate sequence. Best move was h6. } (35... h6 36. h3 Qd7+ 37. Ke4 Qd3#) 36. Kg5 c2 37. Kf5 c1=Q 38. Kg5 Qc5+ 39. Kh4 Qch5# { Black wins by checkmate. } 0-1