lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/AeyaQeSF"] [Date "2020.12.08"] [Round "-"] [White "badeaion"] [Black "Ops_MS"] [Result "0-1"] [UTCDate "2020.12.08"] [UTCTime "17:13:35"] [WhiteElo "1383"] [BlackElo "1597"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+51"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Blackmar-Diemer Gambit: Fritz Attack"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 d5 2. e4? { (0.53 → -0.55) Mistake. Best move was c4. } (2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. e3 O-O 6. Be2 Nbd7) 2... dxe4 3. Bc4? { (-0.05 → -1.20) Mistake. Best move was Nc3. } { D00 Blackmar-Diemer Gambit: Fritz Attack } (3. Nc3 Nf6 4. f3 exf3 5. Nxf3 e6 6. Bd3 Be7 7. Ne4 Nbd7) 3... Bf5?! { (-1.20 → -0.40) Inaccuracy. Best move was Nc6. } (3... Nc6 4. Bb5 Bd7 5. Nc3 e6 6. Nxe4 Nxd4 7. Bxd7+ Qxd7 8. c3 Nf5 9. Qxd7+ Kxd7 10. Bf4) 4. Qh5? { (-0.40 → -2.03) Mistake. Best move was Ne2. } (4. Ne2) 4... g6?! { (-2.03 → -1.10) Inaccuracy. Best move was e6. } (4... e6 5. Qd1) 5. Qe2 Qxd4?! { (-1.59 → -0.81) Inaccuracy. Best move was Nf6. } (5... Nf6) 6. Bb5+? { (-0.81 → -3.06) Mistake. Best move was Nc3. } (6. Nc3 Bg7) 6... c6?! { (-3.06 → -2.42) Inaccuracy. Best move was Nd7. } (6... Nd7) 7. Ba4?? { (-2.42 → -7.57) Blunder. Best move was Bc4. } (7. Bc4 Nd7 8. Nc3 Ngf6 9. f3 Nb6 10. Bb3 Nbd5 11. Nxe4 Nxe4 12. fxe4 Qxe4 13. Qxe4 Bxe4) 7... Qxa4 8. Qd2? { (-6.73 → -8.06) Mistake. Best move was Nc3. } (8. Nc3 Qa6 9. Bg5 Bg7 10. Qxa6 Nxa6 11. O-O-O h6 12. Be3 Nf6 13. h3 O-O 14. Nge2 Nc7) 8... Nd7?! { (-8.06 → -7.34) Inaccuracy. Best move was Na6. } (8... Na6 9. Ne2 Nb4 10. Na3 Bg7 11. Nc3 Qa6 12. Qe2 Qxe2+ 13. Nxe2 Nf6 14. O-O O-O 15. Bg5) 9. c3? { (-7.34 → -13.02) Mistake. Best move was Ne2. } (9. Ne2 Ngf6) 9... Bh6? { (-13.02 → -8.80) Mistake. Best move was Nc5. } (9... Nc5 10. b3 Qa6 11. Qe2 Nd3+ 12. Kf1 Nxc1 13. Qxa6 bxa6 14. c4 Bg7 15. Nc3 Nxb3 16. axb3) 10. Qd3? { (-8.80 → -22.83) Mistake. Best move was Qd1. } (10. Qd1 Qa6 11. Ne2 O-O-O 12. Bxh6 Nxh6 13. O-O e3 14. fxe3 Ng4 15. e4 Bxe4 16. Nd2 Ne3) 10... Bxc1 11. Qd4 Bxb2? { (-20.04 → -7.77) Mistake. Best move was Qxd4. } (11... Qxd4) 12. Qxa4 Bxa1? { (-7.94 → -6.26) Mistake. Best move was Nc5. } (12... Nc5) 13. Qd4 Ngf6?! { (-6.87 → -6.32) Inaccuracy. Best move was e5. } (13... e5 14. Qd6) 14. Qd2?? { (-6.32 → -9.67) Blunder. Best move was Ne2. } (14. Ne2 e5) 14... O-O? { (-9.67 → -6.73) Mistake. Best move was O-O-O. } (14... O-O-O 15. Qe3 Ne5 16. h3 Nc4 17. Qe2 Nb2 18. g4 Rd1+ 19. Qxd1 Nxd1 20. Kxd1 Be6 21. Ne2) 15. Na3?? { (-6.73 → -10.76) Blunder. Best move was Ne2. } (15. Ne2 Rfd8 16. O-O Ne5 17. Qf4 Nd3 18. Qg5 Bb2 19. Ng3 Be6 20. a4 a5 21. Qd2 b5) 15... Ne5 16. Qc1 Nd3+ 17. Kd1 Nxc1 18. Kxc1 Bxc3 19. Ne2 Be5 20. Nc4 Bf4+ 21. Nxf4 Rad8 22. Ne5 Nd5 23. Nfd3 Nc3 24. Nc5 Rd5 25. Ncd7 Bxd7 26. Nxd7 Rxd7 27. g4?! { (-17.40 → Mate in 9) Checkmate is now unavoidable. Best move was Kc2. } (27. Kc2 Nxa2) 27... Rfd8 28. g5 Rd1+?! { (Mate in 5 → Mate in 9) Not the best checkmate sequence. Best move was Rd2. } (28... Rd2 29. Rd1 Nxd1 30. h4 Rxa2 31. f3 Nc3 32. fxe4 Rd1#) 29. Rxd1 Nxd1 30. f4 Nf2 31. h4 Nd3+ 32. Kc2 Nxf4 33. h5 Nxh5 34. a4 Rd4 35. Kb3 c5 36. a5 e3 37. a6 b6?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was b5. } (37... b5 38. Kc3 e2 39. Kc2 e1=Q 40. Kb2 Rd2+ 41. Ka3 Qe3#) 38. Kc2 e2 39. Kb3 e1=Q 40. Ka2 Qc3?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Rb4. } (40... Rb4 41. Ka3 Qa1#) 41. Kb1 Rd1+ 42. Ka2 Ra1# { Black wins by checkmate. } 0-1