lichess dev

[Event "Masterclass Arena"] [Site "http://chess-academy.net/gKySr2jT"] [Date "2022.01.18"] [Round "-"] [White "alexandru_apostu"] [Black "SofiaStangu"] [Result "1-0"] [UTCDate "2022.01.18"] [UTCTime "15:36:15"] [WhiteElo "1504"] [BlackElo "1394"] [WhiteRatingDiff "+27"] [BlackRatingDiff "-12"] [Variant "Standard"] [TimeControl "300+1"] [ECO "C40"] [Opening "King's Pawn Game: McConnell Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nf3 Qf6? { (0.22 → 1.83) Mistake. Best move was Nc6. } { C40 King's Pawn Game: McConnell Defense } (2... Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5) 3. Nc3 Bb4?? { (1.49 → 4.67) Blunder. Best move was Bd6. } (3... Bd6) 4. a3?? { (4.67 → 0.05) Blunder. Best move was Nd5. } (4. Nd5 Qd6) 4... Bd6? { (0.05 → 2.46) Mistake. Best move was Bxc3. } (4... Bxc3 5. bxc3 h6 6. d4 d6 7. Bb5+ c6 8. Bd3 Ne7 9. h3 O-O 10. O-O Ng6 11. a4) 5. Bc4?! { (2.46 → 1.53) Inaccuracy. Best move was d4. } (5. d4 Nc6) 5... b5? { (1.53 → 3.33) Mistake. Best move was Ne7. } (5... Ne7) 6. Bxb5? { (3.33 → 1.83) Mistake. Best move was Nxb5. } (6. Nxb5) 6... Qe7? { (1.83 → 3.99) Mistake. Best move was Ne7. } (6... Ne7) 7. O-O?! { (3.99 → 3.06) Inaccuracy. Best move was Nd5. } (7. Nd5 Qd8) 7... Bb7?! { (3.06 → 3.98) Inaccuracy. Best move was Nf6. } (7... Nf6 8. d4) 8. d3? { (3.98 → 2.61) Mistake. Best move was d4. } (8. d4 Nf6 9. Bg5 O-O 10. Re1 h6 11. Bh4 a5 12. Bd3 Kh8 13. Qd2 Rc8 14. dxe5 Bxe5) 8... Nh6? { (2.61 → 4.04) Mistake. Best move was Nf6. } (8... Nf6) 9. Ng5? { (4.04 → 2.62) Mistake. Best move was Bc4. } (9. Bc4 Nc6 10. Nd5 Qf8 11. c3 Ng8 12. d4 Nge7 13. b4 f6 14. Re1 Nxd5 15. Bxd5 Rb8) 9... O-O 10. Nd5?! { (3.08 → 2.16) Inaccuracy. Best move was Bc4. } (10. Bc4 Kh8 11. Qh5 Qf6 12. Nb5 Nc6 13. Be3 Qg6 14. Qxg6 hxg6 15. Nf3 Ng4 16. Bd2 Kg8) 10... Qe8?? { (2.16 → 9.26) Blunder. Best move was Qd8. } (10... Qd8 11. Nc3) 11. Bd2?? { (9.26 → 2.23) Blunder. Best move was Nf6+. } (11. Nf6+) 11... Qd8?! { (2.23 → 2.81) Inaccuracy. Best move was f6. } (11... f6) 12. Bb4?? { (2.81 → -2.51) Blunder. Best move was Bc4. } (12. Bc4 c6 13. Nc3 Bc7 14. Ba2 d6 15. Qh5 Nd7 16. Nf3 Kh8 17. Bxh6 gxh6 18. Qxh6 Qf6) 12... Qxg5? { (-2.51 → -1.01) Mistake. Best move was Bxb4. } (12... Bxb4) 13. Nxc7?? { (-1.01 → -5.26) Blunder. Best move was Bxd6. } (13. Bxd6 cxd6 14. Nc7 d5 15. Qf3 Nc6 16. Bxc6 Bxc6 17. Nxa8 dxe4 18. dxe4 Rxa8 19. Qg3 Qxg3) 13... f6?? { (-5.26 → 6.15) Blunder. Best move was Bxc7. } (13... Bxc7 14. Bxf8 Kxf8 15. c3 Nc6 16. Qf3 Rd8 17. Qg3 Qf6 18. b4 Ne7 19. c4 Ng6 20. Rfe1) 14. Nxa8? { (6.15 → 3.60) Mistake. Best move was Bxd6. } (14. Bxd6 Nc6 15. f4 exf4 16. Bc4+ Nf7 17. Nxa8 Rxa8 18. c3 Nd8 19. Qb3 Qh5 20. Rxf4 Bc6) 14... Bxa8?? { (3.60 → 7.00) Blunder. Best move was Bxb4. } (14... Bxb4) 15. Bxd6 Qg4?? { (6.69 → 11.76) Blunder. Best move was Re8. } (15... Re8 16. Bc4+) 16. f3? { (11.76 → 8.98) Mistake. Best move was Bc4+. } (16. Bc4+ Rf7 17. Qxg4 Nxg4 18. Bxb8 a5 19. Bxf7+ Kxf7 20. Bc7 Kg6 21. Bxa5 d5 22. Rae1 dxe4) 16... Qg6 17. Bxf8 Kxf8 18. Qd2 d5? { (8.59 → 12.70) Mistake. Best move was Qe8. } (18... Qe8) 19. Rfe1? { (12.70 → 8.98) Mistake. Best move was Qb4+. } (19. Qb4+ Kg8 20. Qd6 Qf7 21. Qxb8+ Qf8 22. Qxa7 Nf7 23. Bd7 Kh8 24. Be6 Ng5 25. exd5 Nxe6) 19... Nc6? { (8.98 → 11.54) Mistake. Best move was Qf7. } (19... Qf7) 20. Bxc6 Bxc6 21. Qb4+ Ke8 22. Qb8+ Ke7 23. Qxa7+ Kd6 24. Qb8+ Kd7 25. a4 Qf7 26. a5 Ng8 27. a6 Qh5 28. exd5 Bxd5 29. Qa7+ Kd6 30. Ra5 Bc6 31. Qb6 g6?! { (20.91 → Mate in 12) Checkmate is now unavoidable. Best move was Qh4. } (31... Qh4 32. Re4) 32. a7 g5 33. a8=Q f5 34. Qxg8?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Qbxc6+. } (34. Qbxc6+ Ke7 35. Ra7#) 34... Qh6 35. Ra6?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Qd5+. } (35. Qd5+ Ke7 36. Qbd8#) 35... Qe6 36. Qxe6+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Qxc6+. } (36. Qxc6+ Ke7 37. Qcxe6#) 36... Kxe6 37. Qxc6+ Kf7 38. Ra7+ Kf8 39. Qc8# { White wins by checkmate. } 1-0