lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/WHHQFFbn"] [Date "2021.01.02"] [Round "-"] [White "Elisei"] [Black "badeaion"] [Result "1-0"] [UTCDate "2021.01.02"] [UTCTime "18:05:00"] [WhiteElo "1633"] [BlackElo "1484"] [WhiteRatingDiff "+39"] [BlackRatingDiff "-7"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B02"] [Opening "Alekhine Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 Nf6?! { (0.12 → 0.93) Inaccuracy. Best move was e6. } { B02 Alekhine Defense } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. Nc3?! { (0.93 → 0.00) Inaccuracy. Best move was e5. } (2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. Nf3 dxe5 6. Nxe5 N6d7) 2... d6?! { (0.00 → 0.85) Inaccuracy. Best move was e5. } (2... e5 3. Nf3) 3. Nf3?! { (0.85 → 0.04) Inaccuracy. Best move was d4. } (3. d4) 3... Ng4? { (0.04 → 1.45) Mistake. Best move was e5. } (3... e5 4. d4 exd4 5. Nxd4 Be7 6. Be2 O-O 7. O-O c5 8. Nb3 a6 9. Be3 Nc6 10. a4) 4. Bc4?! { (1.45 → 0.92) Inaccuracy. Best move was h3. } (4. h3 Nf6) 4... e5?! { (0.92 → 1.63) Inaccuracy. Best move was e6. } (4... e6) 5. d3? { (1.63 → 0.48) Mistake. Best move was h3. } (5. h3) 5... Qf6?? { (0.48 → 4.61) Blunder. Best move was Be7. } (5... Be7) 6. Bg5? { (4.61 → 2.47) Mistake. Best move was h3. } (6. h3) 6... Qg6 7. Bb5+? { (3.15 → 1.14) Mistake. Best move was Nd5. } (7. Nd5) 7... c6 8. Bc4? { (1.84 → 0.09) Mistake. Best move was Nd5. } (8. Nd5 f6 9. Nc7+ Kd8 10. Nxa8 fxg5 11. Bc4 Nxf2 12. Qd2 Nxh1 13. Qa5+ Ke7 14. Qc7+ Bd7) 8... f6? { (0.09 → 1.66) Mistake. Best move was Nf6. } (8... Nf6 9. O-O) 9. Bh4?! { (1.66 → 1.00) Inaccuracy. Best move was Bd2. } (9. Bd2 Nh6 10. Nh4 Qg4 11. Qxg4 Bxg4 12. Bxh6 gxh6 13. Nd1 Bxd1 14. Rxd1 Nd7 15. O-O Nc5) 9... d5? { (1.00 → 3.16) Mistake. Best move was Nh6. } (9... Nh6 10. Bg3) 10. exd5 cxd5? { (2.82 → 4.26) Mistake. Best move was b5. } (10... b5) 11. Bxd5 Nc6 12. Nb5 Kd8 13. Nd6?? { (3.93 → -3.01) Blunder. Best move was O-O. } (13. O-O a6 14. Nc3 Kc7 15. Bg3 Bd6 16. d4 Rd8 17. Ne4 Be7 18. c4 f5 19. Nc3 f4) 13... Bxd6 14. O-O Qf5? { (-3.00 → -0.71) Mistake. Best move was Kc7. } (14... Kc7 15. c4 Rd8 16. Bg3 Nh6 17. d4 Nf5 18. dxe5 fxe5 19. Qe1 Nxg3 20. fxg3 Bb4 21. Nxe5) 15. d4?? { (-0.71 → -3.98) Blunder. Best move was Re1. } (15. Re1 Kc7 16. Bg3 Qd7 17. c4 a5 18. Rc1 Bb4 19. Re4 Nh6 20. d4 Nf5 21. dxe5 Nxg3) 15... Qf4?? { (-3.98 → 4.76) Blunder. Best move was e4. } (15... e4 16. Ne5 Kc7 17. Qxg4 Qxg4 18. Nxg4 Bxg4 19. c3 Rae8 20. Rfe1 Bf5 21. Bg3 Bg6 22. b4) 16. g3?? { (4.76 → -0.13) Blunder. Best move was Bxc6. } (16. Bxc6) 16... Qe4?? { (-0.13 → 11.09) Blunder. Best move was Qf5. } (16... Qf5 17. dxe5 Ncxe5 18. h3 Kc7 19. hxg4 Qxg4 20. c4 Re8 21. c5 Bf8 22. Rc1 Be6 23. Nxe5) 17. Bxe4 Nxd4 18. Nxd4 exd4 19. Qxd4 Kd7?! { (10.79 → Mate in 8) Checkmate is now unavoidable. Best move was Kc7. } (19... Kc7 20. f4 Rd8 21. h3 Nh6 22. g4 Kb8 23. Bxh7 Bc7 24. Qe4 Nf7 25. Qg6 Rd7 26. Bg8) 20. Rad1 Ke8 21. Qxd6 Ne5 22. Qd8+ Kf7 23. Qxh8?! { (Mate in 5 → 30.50) Lost forced checkmate sequence. Best move was Qc7+. } (23. Qc7+ Bd7 24. Rxd7+ Nxd7 25. Qxd7+ Kg8 26. Bd5+ Kf8 27. Qf7#) 23... Bg4?! { (30.50 → Mate in 8) Checkmate is now unavoidable. Best move was Bf5. } (23... Bf5 24. Bd5+) 24. Qxa8 Bxd1 25. Qxb7+ Ke6 26. Rxd1 Nf3+ 27. Bxf3 f5 28. Re1+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qd5#. } (28. Qd5#) 28... Kd6 29. Qb4+?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Be7#. } (29. Be7#) 29... Kd7 30. Rd1+ Kc7 31. Qc4+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qb7#. } (31. Qb7#) 31... Kb6 32. Rd6+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Bd8#. } (32. Bd8#) 32... Ka5 33. Qc5+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Ra6#. } (33. Ra6#) 33... Ka4 34. Rd4# { White wins by checkmate. } 1-0