lichess dev

[Event "Daily Rapid Arena"] [Site "http://chess-academy.net/R8vpHgzQ"] [Date "2021.05.29"] [Round "-"] [White "FFFFFFF"] [Black "Damir_DJ"] [Result "1-0"] [UTCDate "2021.05.29"] [UTCTime "16:09:51"] [WhiteElo "1347"] [BlackElo "1670"] [WhiteRatingDiff "+115"] [BlackRatingDiff "-20"] [Variant "Standard"] [TimeControl "600+0"] [ECO "C42"] [Opening "Petrov's Defense #4"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nf3 Nf6?! { (0.22 → 0.73) Inaccuracy. Best move was Nc6. } (2... Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5) 3. Nxe5 d6 4. Nf3 { C42 Petrov's Defense #4 } Qe7? { (0.54 → 2.21) Mistake. Best move was Nxe4. } (4... Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. c4 Nb4 9. cxd5) 5. d3?! { (2.21 → 1.44) Inaccuracy. Best move was Nc3. } (5. Nc3 d5) 5... d5 6. e5 Ng4? { (1.45 → 2.85) Mistake. Best move was Nc6. } (6... Nc6 7. d4 Bg4 8. Bb5 Nd7 9. Bxc6 bxc6 10. O-O Qe6 11. h3 Bh5 12. Nc3 Be7 13. Ng5) 7. d4 Nc6?! { (2.28 → 3.01) Inaccuracy. Best move was Be6. } (7... Be6) 8. Bf4?! { (3.01 → 2.05) Inaccuracy. Best move was h3. } (8. h3 Nh6 9. Bd3 Be6 10. O-O Qd7 11. c3 a6 12. b4 Be7 13. a4 Nf5 14. Nbd2 O-O) 8... Qb4+?! { (2.05 → 2.75) Inaccuracy. Best move was f6. } (8... f6) 9. Nbd2? { (2.75 → 0.09) Mistake. Best move was Nc3. } (9. Nc3 Qxb2 10. Bd2 Nb4 11. Rb1 Qxc2 12. Rxb4 Qxd1+ 13. Nxd1 Bxb4 14. Bxb4 Be6 15. Bb5+ c6) 9... Nxd4 10. Nxd4? { (0.51 → -0.69) Mistake. Best move was c3. } (10. c3 Nc2+) 10... Qxd4 11. Bg3 Qxb2? { (-0.87 → 0.34) Mistake. Best move was h5. } (11... h5 12. Be2) 12. Bd3? { (0.34 → -1.39) Mistake. Best move was Rb1. } (12. Rb1) 12... Nxe5 13. O-O Nxd3 14. cxd3 Bd6?! { (-1.18 → -0.51) Inaccuracy. Best move was Bb4. } (14... Bb4 15. Re1+) 15. Re1+? { (-0.51 → -1.53) Mistake. Best move was Rb1. } (15. Rb1 Qa3 16. Re1+ Be6 17. Rxb7 Bxg3 18. hxg3 O-O 19. Rxc7 Qxd3 20. Qc1 Qa6 21. Nf3 Qb6) 15... Kd7?? { (-1.53 → 7.77) Blunder. Best move was Be6. } (15... Be6 16. Bxd6 cxd6 17. Nf3 O-O 18. Rb1 Qxa2 19. Nd4 b6 20. Nxe6 fxe6 21. Re2 Qa5 22. Rxe6) 16. Qg4+ Kc6? { (7.35 → 8.44) Mistake. Best move was Kd8. } (16... Kd8 17. Bh4+ f6 18. Qxg7 Rf8 19. Nf3 Bd7 20. Ne5 Be6 21. Bxf6+ Kc8 22. Ng4 Rf7 23. Bxb2) 17. Rac1+?! { (8.44 → 7.72) Inaccuracy. Best move was Rec1+. } (17. Rec1+) 17... Kb6? { (7.72 → 11.64) Mistake. Best move was Kb5. } (17... Kb5 18. Qg5 Ka6 19. Bxd6 cxd6 20. Rb1 Qc3 21. Qxd5 Qc5 22. Qb3 b6 23. Qa4+ Qa5 24. Qc4+) 18. Qa4 Qb5 19. Rb1 Bb4 20. Rxb4 Qxb4?! { (28.47 → Mate in 4) Checkmate is now unavoidable. Best move was a6. } (20... a6 21. Rxb5+) 21. Qxb4+ Kc6 22. Rc1+?! { (Mate in 3 → Mate in 5) Not the best checkmate sequence. Best move was Qc3+. } (22. Qc3+ Kb6 23. Rb1+ Ka6 24. Qa3#) 22... Kd7 23. Rxc7+ Ke6 24. Qe7+ Kf5 25. Qxf7+?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Nf3. } (25. Nf3 f6 26. Qxg7 h6 27. Nd4#) 25... Kg5 26. Qxg7+?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was h4+. } (26. h4+ Kh6 27. Qxg7+ Kh5 28. Qg5#) 26... Kf5 27. Qe5+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Rf7+. } (27. Rf7+ Ke6 28. Rf6#) 27... Kg6 28. Rg7+ Kh6 29. Qg5# { White wins by checkmate. } 1-0