lichess dev

[Event "Masterclass Arena"] [Site "http://chess-academy.net/58J91ewE"] [Date "2021.12.21"] [Round "-"] [White "SofiaStangu"] [Black "Artik"] [Result "0-1"] [UTCDate "2021.12.21"] [UTCTime "15:33:09"] [WhiteElo "1313"] [BlackElo "1803"] [WhiteRatingDiff "-4"] [BlackRatingDiff "+4"] [Variant "Standard"] [TimeControl "300+1"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e3 { A00 Van't Kruijs Opening } d5 2. Qh5? { (0.32 → -1.10) Mistake. Best move was d4. } (2. d4 e6 3. Nf3 Nf6 4. Bd3 c5 5. O-O Be7 6. dxc5 O-O) 2... Nf6 3. Qh4? { (-0.89 → -1.99) Mistake. Best move was Qd1. } (3. Qd1 e5) 3... Nc6? { (-1.99 → -0.54) Mistake. Best move was e5. } (3... e5 4. d3 Nc6 5. Qa4 b5 6. Qb3 Bd7 7. Nd2 Bd6 8. c3 O-O 9. Ngf3 a5 10. e4) 4. Qa4? { (-0.54 → -1.64) Mistake. Best move was Bb5. } (4. Bb5 e5) 4... Bd7 5. g3?! { (-1.42 → -2.41) Inaccuracy. Best move was c3. } (5. c3 e5) 5... Ne5? { (-2.41 → -1.15) Mistake. Best move was e5. } (5... e5 6. c3) 6. Qa5? { (-1.15 → -2.55) Mistake. Best move was Qb3. } (6. Qb3 c5) 6... b6? { (-2.55 → -0.83) Mistake. Best move was Nc6. } (6... Nc6) 7. Qa4?? { (-0.83 → -13.53) Blunder. Best move was Qc3. } (7. Qc3 Ng6 8. Nf3 e6 9. h4 c5 10. d4 c4 11. Qd2 Bd6 12. h5 Ne7 13. h6 gxh6) 7... Bxa4 8. Bh3 Bxc2 9. Nc3 Ne4 10. Nxe4 Bxe4 11. f3 Nxf3+ 12. Nxf3 Bxf3 13. Rf1 Bh5 14. Bf5 e6 15. Bh3 Bb4 16. Rb1 Bg6 17. Ra1 O-O 18. Rf4 Bd6 19. Rb4 Bxb4 20. b3 Qd6 21. Bb2 h5 22. e4?! { (-23.87 → Mate in 10) Checkmate is now unavoidable. Best move was a3. } (22. a3 h4) 22... dxe4 23. Bxe6 Qxd2+ 24. Kf1 fxe6+?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Bc5. } (24... Bc5 25. Bd4 Bxd4 26. h3 fxe6#) 25. Kg1 Qxb2?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was e3. } (25... e3 26. Rf1 Rxf1+ 27. Kxf1 Qf2#) 26. Rd1 Bc5+ 27. Kh1 Rf2 28. h3 Rh2# { Black wins by checkmate. } 0-1