lichess dev

[Event "Masterclass Arena"] [Site "http://chess-academy.net/XifGTlYp"] [Date "2022.03.29"] [Round "-"] [White "Artemy_Denisenko"] [Black "SofiaStangu"] [Result "1-0"] [UTCDate "2022.03.29"] [UTCTime "15:00:38"] [WhiteElo "2005"] [BlackElo "1599"] [WhiteRatingDiff "+6"] [BlackRatingDiff "-2"] [Variant "Standard"] [TimeControl "300+2"] [ECO "A40"] [Opening "Englund Gambit Complex: Mosquito Gambit"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 e5?! { (0.15 → 1.06) Inaccuracy. Best move was d5. } (1... d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. Bg5 O-O 6. e3) 2. dxe5 Qh4? { (1.15 → 2.59) Mistake. Best move was Nc6. } { A40 Englund Gambit Complex: Mosquito Gambit } (2... Nc6 3. Nf3 d6 4. Bg5 Qd7 5. exd6 Bxd6 6. Nc3 h6 7. Bh4) 3. Nf3 Qe7?! { (2.25 → 3.00) Inaccuracy. Best move was Qd8. } (3... Qd8) 4. e3? { (3.00 → 1.20) Mistake. Best move was Nc3. } (4. Nc3 d6 5. Bf4 Qd7 6. e3 dxe5 7. Bxe5 Nf6 8. Bxf6 Qxd1+ 9. Rxd1 gxf6 10. Nd5 Bd6) 4... g5? { (1.20 → 3.11) Mistake. Best move was Nc6. } (4... Nc6 5. Nc3 Nxe5 6. e4 Nf6 7. Bg5 c6 8. Nxe5 Qxe5 9. f4 Qa5 10. Qd4 Qc5 11. Bxf6) 5. e4? { (3.11 → 1.65) Mistake. Best move was Nc3. } (5. Nc3 g4) 5... g4 6. Nfd2 Qxe5?! { (1.70 → 2.57) Inaccuracy. Best move was d6. } (6... d6 7. exd6) 7. Qxg4? { (2.57 → 1.12) Mistake. Best move was Nc3. } (7. Nc3 Nf6) 7... Qf6? { (1.12 → 3.09) Mistake. Best move was Nf6. } (7... Nf6 8. Qg3 d6 9. Nc3 Qe7 10. Qd3 Nc6 11. Nb3 d5 12. Bg5 dxe4 13. Qe2 Bg7 14. O-O-O) 8. f3? { (3.09 → 1.45) Mistake. Best move was Nc3. } (8. Nc3 Ne7 9. Nc4 Qe6 10. Qf4 Na6 11. Be3 Bg7 12. O-O-O O-O 13. Kb1 d6 14. f3 Ng6) 8... Bc5? { (1.45 → 3.24) Mistake. Best move was Nc6. } (8... Nc6 9. Nc3 d6 10. Qg3 Nb4 11. Bd3 Ne7 12. Nb3 Nxd3+ 13. cxd3 Qg6 14. Qxg6 hxg6 15. Bg5) 9. Bd3? { (3.24 → 1.57) Mistake. Best move was Nc3. } (9. Nc3 Ne7) 9... Qd4? { (1.57 → 3.20) Mistake. Best move was Ne7. } (9... Ne7 10. Nb3 d6 11. Qf4 Qxf4 12. Bxf4 Bb6 13. Na3 Na6 14. O-O-O Rg8 15. Bg3 Nc5 16. Bb5+) 10. Qg3 Nh6?? { (3.33 → 8.33) Blunder. Best move was Ne7. } (10... Ne7 11. Nb3 Bb4+ 12. Kf1 Qb6 13. a3 Rg8 14. Qh4 Bd6 15. Qh5 Nbc6 16. f4 Nd4 17. Be3) 11. Nb3 Qf6? { (8.39 → 9.67) Mistake. Best move was Qf2+. } (11... Qf2+ 12. Qxf2 Bxf2+ 13. Kxf2 Ng8 14. Nc3 c6 15. Bf4 d6 16. Nd4 Na6 17. Bxd6 Bd7 18. e5) 12. Nxc5 Qd4? { (8.92 → 13.64) Mistake. Best move was d6. } (12... d6) 13. Nb3 Qf6 14. Nc3 d5 15. Nxd5 Qe6 16. Nxc7+ Ke7 17. Nxe6 Bxe6 18. Bxh6 Rd8 19. Bg5+ Ke8 20. Bxd8 Kxd8 21. Qg7 Nc6 22. Nc5 Ne7?! { (31.41 → Mate in 7) Checkmate is now unavoidable. Best move was Ke7. } (22... Ke7 23. Nxe6) 23. Nxe6+?! { (Mate in 7 → 34.35) Lost forced checkmate sequence. Best move was Qf8+. } (23. Qf8+ Kc7 24. Qxe7+ Kc6 25. e5 Rd8 26. Qxd8 Bd7 27. Qxd7+ Kb6 28. Qd8+ Kxc5 29. Qd6#) 23... Kd7?! { (34.35 → Mate in 6) Checkmate is now unavoidable. Best move was fxe6. } (23... fxe6 24. Qf8+) 24. Qxf7 Rd8 25. Nxd8?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Bb5+. } (25. Bb5+ Kc8 26. Qxe7 Rd1+ 27. Rxd1 a5 28. Rd8#) 25... Kxd8 26. Qf8+?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was O-O-O. } (26. O-O-O Kd7 27. Bf1+ Kc6 28. Qxe7 b5 29. b4 h6 30. Rd6#) 26... Kd7 27. Bc4 Kc7 28. Rd1?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Qxe7+. } (28. Qxe7+ Kc6 29. b4 a6 30. O-O-O b6 31. Rd6#) 28... Kb6 29. Qxe7 Ka5 30. Qe5+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qc5+. } (30. Qc5+ Ka4 31. b3#) 30... Kb4 31. Bb3?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qb5#. } (31. Qb5#) 31... b6 32. Rd4# { White wins by checkmate. } 1-0