lichess dev

[Event "Monthly Classical Inc Arena"] [Site "http://chess-academy.net/AFUS7v4s"] [Date "2021.02.26"] [Round "-"] [White "Cezar"] [Black "stefanos12"] [Result "0-1"] [UTCDate "2021.02.26"] [UTCTime "16:29:21"] [WhiteElo "1720"] [BlackElo "1279"] [WhiteRatingDiff "-231"] [BlackRatingDiff "+231"] [Variant "Standard"] [TimeControl "1200+10"] [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. Qh5? { (0.72 → -1.31) Mistake. Best move was d4. } (2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. c3 a6 6. Be3 Nge7) 2... Nd4? { (-1.31 → 0.40) Mistake. Best move was Nf6. } (2... Nf6 3. Qe2) 3. Bc4? { (0.40 → -1.54) Mistake. Best move was Qc5. } (3. Qc5 Nc6 4. Nf3 Nf6 5. Qe3 d5 6. exd5 Nxd5 7. Qb3 Nb6 8. Bb5 Qd6 9. O-O Be6) 3... e6 4. c3?? { (-0.73 → -5.00) Blunder. Best move was Bd3. } (4. Bd3 d5 5. e5 g6 6. Qh3 c5 7. c3 Nc6 8. f4 Nge7) 4... Nc2+ 5. Ke2? { (-4.37 → -6.48) Mistake. Best move was Kf1. } (5. Kf1) 5... Nxa1? { (-6.48 → -5.28) Mistake. Best move was Nf6. } (5... Nf6 6. Qh4) 6. Bb5? { (-5.28 → -7.71) Mistake. Best move was Kf1. } (6. Kf1) 6... Nf6? { (-7.71 → -6.62) Mistake. Best move was c6. } (6... c6) 7. Qe5? { (-6.62 → -8.46) Mistake. Best move was Qg5. } (7. Qg5 c6) 7... Bd6? { (-8.46 → -6.83) Mistake. Best move was c6. } (7... c6) 8. Qg5 Nxe4? { (-7.37 → -4.76) Mistake. Best move was h6. } (8... h6 9. Qe3 c6 10. e5 Qa5 11. exd6 Qxb5+ 12. d3 Qa4 13. Na3 Nc2 14. Qf4 Qxf4 15. Bxf4) 9. Qxg7 Qf6? { (-4.96 → -3.93) Mistake. Best move was Rf8. } (9... Rf8 10. Nf3) 10. Qxf6 Nxf6 11. Bc4? { (-3.74 → -6.73) Mistake. Best move was d4. } (11. d4 Rg8 12. g3 b6 13. Nf3 a5 14. Bd3 Ba6 15. Bxa6 Rxa6 16. Bg5 Ne4 17. Bh4 f5) 11... Nc2? { (-6.73 → -4.06) Mistake. Best move was Rg8. } (11... Rg8 12. g3 b5 13. Bd3 Bb7 14. Nf3 Ng4 15. Rg1 Bxf3+ 16. Kxf3 Ne5+ 17. Ke2 Nxd3 18. Kxd3) 12. Bd3?! { (-4.06 → -4.92) Inaccuracy. Best move was d4. } (12. d4) 12... Na1 13. Be4?? { (-4.64 → -9.08) Blunder. Best move was b4. } (13. b4 e5) 13... Nxe4 14. d3 Nf6? { (-9.04 → -8.04) Mistake. Best move was Nc5. } (14... Nc5 15. Nf3 Rg8 16. Na3 Rxg2 17. Bd2 b6 18. Rxa1 Ba6 19. c4 Bb7 20. Nb5 Nxd3 21. Kxd3) 15. g3? { (-8.04 → -10.38) Mistake. Best move was Nf3. } (15. Nf3) 15... Bc5? { (-10.38 → -8.12) Mistake. Best move was h6. } (15... h6 16. b3) 16. g4? { (-8.12 → -10.46) Mistake. Best move was Nf3. } (16. Nf3 Ng4 17. Bg5 f6 18. Bh4 Nxf2 19. Rc1 Nh3 20. Na3 O-O 21. Rxa1 d5 22. Nc2 Be7) 16... Nxg4 17. f3 Nf6 18. f4 Ng4 19. h3 Nf2 20. Rh2 Nc2? { (-12.07 → -8.47) Mistake. Best move was Nxd3. } (20... Nxd3 21. Kxd3 Bxg1 22. Rg2 Bb6 23. Na3 Kf8 24. b4 d5 25. Bb2 a5 26. Bxa1 axb4 27. Nb5) 21. Rxf2? { (-8.47 → -10.66) Mistake. Best move was d4. } (21. d4 Ne4) 21... Bxf2 22. Kxf2 O-O 23. Na3 Nxa3 24. bxa3 d5 25. Be3 Re8 26. Bc5 e5 27. h4 exf4 28. Nh3 f3 29. Kxf3 Bxh3 30. Kg3 Be6 31. Kf4 Rf8 32. Ke5 Bd7 33. Kxd5 Bc6+ 34. Kc4 b5+ 35. Kb4 a5+ 36. Kb3 a4+ 37. Kb2 Rfe8 38. Bd4?! { (-18.02 → Mate in 8) Checkmate is now unavoidable. Best move was c4. } (38. c4 Re2+) 38... Re2+ 39. Kc1 Rh2?! { (Mate in 6 → -21.19) Lost forced checkmate sequence. Best move was Rae8. } (39... Rae8 40. c4 Rg2 41. Bc3 Ree2 42. Bd2 Rxd2 43. d4 Bf3 44. cxb5 Rd1#) 40. Kd1?! { (-21.19 → Mate in 4) Checkmate is now unavoidable. Best move was Be5. } (40. Be5 Rxa2) 40... Re8 41. Bg1 Bf3+ 42. Kc1 Re1# { Black wins by checkmate. } 0-1