lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/OzYihwYt"] [Date "2021.01.31"] [Round "-"] [White "OtiCoolUwU"] [Black "CornelCoslet"] [Result "1-0"] [UTCDate "2021.01.31"] [UTCTime "18:01:42"] [WhiteElo "1531"] [BlackElo "1592"] [WhiteRatingDiff "+15"] [BlackRatingDiff "-14"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C27"] [Opening "Vienna Game"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nc3 { C27 Vienna Game } d6?! { (0.00 → 0.58) Inaccuracy. Best move was Nf6. } (2... Nf6 3. Bc4 Bb4 4. Nf3 Bxc3 5. dxc3 Nc6 6. O-O O-O 7. Re1) 3. Nf3 Nf6 4. Bc4 d5? { (0.23 → 2.15) Mistake. Best move was Be7. } (4... Be7) 5. exd5?! { (2.15 → 1.16) Inaccuracy. Best move was Nxd5. } (5. Nxd5 Nc6 6. d3 h6 7. O-O Bd6 8. c3 O-O 9. Ne3 Ne7 10. a4 Ng6 11. Qc2 c5) 5... Bc5? { (1.16 → 2.86) Mistake. Best move was Bd6. } (5... Bd6 6. d3) 6. d6? { (2.86 → -0.13) Mistake. Best move was Nxe5. } (6. Nxe5) 6... cxd6 7. Ng5? { (0.03 → -1.76) Mistake. Best move was d4. } (7. d4 exd4) 7... O-O 8. Nxf7? { (-1.16 → -2.38) Mistake. Best move was d3. } (8. d3 d5) 8... Rxf7 9. Bxf7+ Kxf7 10. O-O Nh5?? { (-2.08 → 4.21) Blunder. Best move was Nc6. } (10... Nc6 11. h3) 11. Qxh5+ g6?? { (3.90 → 11.05) Blunder. Best move was Kg8. } (11... Kg8 12. Ne4 Nc6 13. d3 Bb6 14. Be3 d5 15. Bxb6 axb6 16. Ng5 h6 17. Nf3 Qf6 18. Qe8+) 12. Qxh7+ Ke6 13. Qxg6+?! { (10.16 → 9.08) Inaccuracy. Best move was d4. } (13. d4 Bxd4 14. Qxg6+ Qf6 15. Qe8+ Qe7 16. Qxc8+ Qd7 17. Qg8+ Qf7 18. Qxf7+ Kxf7 19. Nb5 Nc6) 13... Qf6?! { (9.08 → 15.20) Inaccuracy. Best move was Kd7. } (13... Kd7 14. d4) 14. Qg4+?! { (15.20 → 9.33) Inaccuracy. Best move was Qe8+. } (14. Qe8+) 14... Qf5 15. Qc4+? { (9.32 → 7.63) Mistake. Best move was Qg8+. } (15. Qg8+ Kd7 16. Nd5 Qe6 17. Qxe6+ Kxe6 18. Nc7+ Kd7 19. Nxa8 b6 20. Re1 Bb7 21. d4 exd4) 15... Kd7 16. Qb5+? { (7.81 → 5.28) Mistake. Best move was d3. } (16. d3 Nc6) 16... Nc6 17. Kh1? { (5.63 → 4.43) Mistake. Best move was d3. } (17. d3) 17... Kc7?! { (4.43 → 5.30) Inaccuracy. Best move was a6. } (17... a6) 18. f3?? { (5.30 → 2.27) Blunder. Best move was Nd5+. } (18. Nd5+ Kb8 19. b4 Bd4 20. c3 a6 21. Qe2 Qe6 22. Ne3 Bxe3 23. fxe3 e4 24. Rf8 Ne5) 18... Qf4?? { (2.27 → 15.79) Blunder. Best move was Be6. } (18... Be6 19. b4) 19. Nd5+ Kd7 20. Nxf4 exf4 21. Re1 a6 22. Qe2 Kc7 23. d4 Bxd4 24. Bxf4 Bf5 25. c3 Bxc3 26. bxc3 Bd7?! { (22.93 → Mate in 8) Checkmate is now unavoidable. Best move was Rf8. } (26... Rf8 27. Rad1) 27. c4?! { (Mate in 8 → 23.30) Lost forced checkmate sequence. Best move was Qd1. } (27. Qd1 Ne5 28. Rxe5 dxe5 29. Bxe5+ Kd8 30. Qd6 Ke8 31. Qg6+ Ke7 32. Qf6+ Ke8 33. Bd6 Be6) 27... Re8 28. Qd1 Rxe1+?! { (32.43 → Mate in 9) Checkmate is now unavoidable. Best move was Ne5. } (28... Ne5 29. c5 Kc8 30. cxd6 Kd8 31. Bxe5 a5 32. Qd4 Bc6 33. Qb6+ Kd7 34. Qc7+ Ke6 35. Bg7+) 29. Qxe1 Nd4 30. Qc1?! { (Mate in 9 → 26.04) Lost forced checkmate sequence. Best move was Qd2. } (30. Qd2 Nf5 31. g4 Bc6 32. gxf5 Bxf3+ 33. Kg1 Kd7 34. Qxd6+ Ke8 35. Re1+ Be2 36. Rxe2+ Kf7) 30... Ne2?! { (26.04 → Mate in 9) Checkmate is now unavoidable. Best move was Kd8. } (30... Kd8 31. Qd2) 31. Qe3 Nxf4 32. Qxf4 Bg4 33. fxg4 b5 34. c5 Kb8 35. Qxd6+?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Re1. } (35. Re1 Kc8 36. Qf7 dxc5 37. Re8#) 35... Ka8 36. Qc6+?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Rd1. } (36. Rd1 a5 37. Qb6 b4 38. Rd8#) 36... Ka7 37. Qb6+ Ka8 38. c6 b4 39. c7?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qb7#. } (39. Qb7#) 39... b3 40. c8=Q# { White wins by checkmate. } 1-0