lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/kQO0XFX6"] [Date "2021.01.28"] [Round "-"] [White "OlaruSofi"] [Black "Victor"] [Result "1-0"] [UTCDate "2021.01.28"] [UTCTime "17:37:44"] [WhiteElo "1199"] [BlackElo "1247"] [WhiteRatingDiff "+33"] [BlackRatingDiff "-13"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B07"] [Opening "Pirc Defense #4"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 d6?! { (0.12 → 0.73) Inaccuracy. Best move was e6. } { B07 Pirc Defense #4 } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. Bb5+?! { (0.73 → 0.12) Inaccuracy. Best move was d4. } (2. d4 Nf6 3. Nc3 e6 4. Nf3 Be7 5. Bd3 Nbd7 6. e5 dxe5) 2... Bd7 3. Bxd7+ Kxd7? { (-0.04 → 1.89) Mistake. Best move was Nxd7. } (3... Nxd7) 4. Qg4+? { (1.89 → 0.52) Mistake. Best move was Nf3. } (4. Nf3 Kc8) 4... Ke8?! { (0.52 → 1.44) Inaccuracy. Best move was e6. } (4... e6) 5. Nf3? { (1.44 → 0.40) Mistake. Best move was d4. } (5. d4 e5) 5... Nc6?! { (0.40 → 1.17) Inaccuracy. Best move was Nf6. } (5... Nf6 6. Qh4) 6. Nc3? { (1.17 → -0.04) Mistake. Best move was d4. } (6. d4) 6... Nd4?? { (-0.04 → 6.10) Blunder. Best move was Nb4. } (6... Nb4) 7. Nxd4 c5?! { (5.49 → 6.13) Inaccuracy. Best move was c6. } (7... c6) 8. Ndb5? { (6.13 → 4.66) Mistake. Best move was Nf3. } (8. Nf3 h5) 8... b6? { (4.66 → 7.49) Mistake. Best move was a6. } (8... a6 9. Na3) 9. O-O? { (7.49 → 5.10) Mistake. Best move was Nd5. } (9. Nd5 e6) 9... Qb8? { (5.10 → 8.05) Mistake. Best move was a6. } (9... a6 10. Na3 h5 11. Qf3 e6 12. Ne2 Nf6 13. c3 Nd7 14. d4 g5 15. h3 g4 16. hxg4) 10. Nd5 Nf6 11. Nxf6+? { (8.15 → 6.63) Mistake. Best move was Ndc7+. } (11. Ndc7+) 11... exf6? { (6.63 → 8.16) Mistake. Best move was gxf6. } (11... gxf6 12. Qh5) 12. d3?! { (8.16 → 7.51) Inaccuracy. Best move was Qh5. } (12. Qh5) 12... Be7? { (7.51 → 8.78) Mistake. Best move was h5. } (12... h5 13. Qf3) 13. Bf4? { (8.78 → 7.34) Mistake. Best move was Qxg7. } (13. Qxg7 Kd7 14. Qg4+ Kc6 15. Nc3 Qc8 16. Qh5 Qe6 17. f4 Rae8 18. f5 Qd7 19. Qxf7 Kb7) 13... Qc8? { (7.34 → 8.75) Mistake. Best move was Kf8. } (13... Kf8) 14. Nxd6+? { (8.75 → 6.44) Mistake. Best move was Qxg7. } (14. Qxg7 Kd7) 14... Kd8?? { (6.44 → 19.19) Blunder. Best move was Bxd6. } (14... Bxd6 15. Qxc8+ Rxc8 16. Bxd6 c4 17. d4 Rd8 18. e5 fxe5 19. dxe5 f6 20. f4 Kf7 21. Rf3) 15. Nxc8 Ke8 16. Nxe7 Kxe7 17. Rae1 Rhc8?! { (21.86 → Mate in 10) Checkmate is now unavoidable. Best move was h5. } (17... h5 18. Qf3) 18. e5 f5 19. Qxf5 f6 20. exf6+ Kf7 21. Qxh7?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Qd5+. } (21. Qd5+ Kg6 22. Qg5+ Kf7 23. Qxg7#) 21... Kxf6 22. Qh4+?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Bg5+. } (22. Bg5+ Kxg5 23. Re5+ Kf6 24. Qf5#) 22... Kg6 23. Bh6?! { (Mate in 3 → Mate in 7) Not the best checkmate sequence. Best move was Qg5+. } (23. Qg5+ Kh7 24. Re7 a6 25. Qxg7#) 23... Kh7 24. Bxg7+ Kxg7 25. c4?! { (Mate in 3 → Mate in 7) Not the best checkmate sequence. Best move was Re7+. } (25. Re7+ Kg6 26. f4 Rf8 27. Qg5#) 25... Rh8 26. Qg4+?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Re7+. } (26. Re7+ Kg6 27. Qg4+ Kh6 28. Re6+ Kh7 29. Qg6#) 26... Kf8 27. a4?! { (Mate in 4 → Mate in 8) Not the best checkmate sequence. Best move was Qf5+. } (27. Qf5+ Kg7 28. Re7+ Kh6 29. g4 Rag8 30. Qh5#) 27... Rd8 28. Qf4+?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Qf5+. } (28. Qf5+ Kg8 29. Re7 Rh7 30. Qxh7+ Kf8 31. Qf7#) 28... Kg7 29. Qg5+ Kf8 30. Qxd8+?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Re6. } (30. Re6 Rh7 31. Qxd8+ Kf7 32. Rf6+ Kg7 33. Qf8#) 30... Kf7 31. Qd5+ Kg7 32. Re7+?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Qg5+. } (32. Qg5+ Kf8 33. Qg6 a6 34. Re8#) 32... Kf8 33. Qd8# { White wins by checkmate. } 1-0