lichess dev

[Event "Masterclass Arena"] [Site "http://chess-academy.net/2oRifTYf"] [Date "2022.01.25"] [Round "-"] [White "raul"] [Black "alexandru_apostu"] [Result "0-1"] [UTCDate "2022.01.25"] [UTCTime "15:16:48"] [WhiteElo "1362"] [BlackElo "1575"] [WhiteRatingDiff "-7"] [BlackRatingDiff "+15"] [Variant "Standard"] [TimeControl "300+1"] [ECO "A00"] [Opening "Saragossa Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. c3 { A00 Saragossa Opening } e5 2. Qb3? { (0.18 → -1.02) Mistake. Best move was d4. } (2. d4 e4 3. c4 c6 4. Nc3 d5 5. cxd5 cxd5 6. Bf4 Nc6) 2... d6? { (-1.02 → 0.27) Mistake. Best move was d5. } (2... d5) 3. Qa4+? { (0.27 → -1.18) Mistake. Best move was e3. } (3. e3) 3... Nc6?! { (-1.18 → -0.27) Inaccuracy. Best move was c6. } (3... c6) 4. Qh4?? { (-0.27 → -13.78) Blunder. Best move was e4. } (4. e4 Qe7) 4... Qxh4 5. g3 Qd8 6. f4 Nf6 7. fxe5 Nxe5 8. g4 Nfxg4 9. h3 Nf6 10. Nf3 b6 11. Nxe5 dxe5 12. Bg2 Ng4 13. hxg4 Bc5?? { (-10.93 → -6.45) Blunder. Best move was Rb8. } (13... Rb8 14. Bc6+ Bd7 15. Bf3 Qg5 16. Kd1 Bxg4 17. d3 Qf5 18. Rf1 Qe6 19. Bxg4 Qxg4 20. Rf3) 14. Rh4?? { (-6.45 → -18.10) Blunder. Best move was Bxa8. } (14. Bxa8 Bxg4) 14... Qxh4+ 15. Kf1?! { (-17.57 → Mate in 1) Checkmate is now unavoidable. Best move was Kd1. } (15. Kd1 Rb8 16. b4 Bd6 17. Na3 Bxg4 18. Nb5 Qf2 19. Nxd6+ cxd6 20. Bc6+ Kf8 21. Bb5 Qf1+) 15... Qxg4?! { (Mate in 1 → -26.66) Lost forced checkmate sequence. Best move was Qf2#. } (15... Qf2#) 16. Bxa8?! { (-26.66 → Mate in 1) Checkmate is now unavoidable. Best move was d4. } (16. d4 exd4) 16... Qf4+?! { (Mate in 1 → -25.08) Lost forced checkmate sequence. Best move was Qg1#. } (16... Qg1#) 17. Kg2?! { (-25.08 → Mate in 2) Checkmate is now unavoidable. Best move was Ke1. } (17. Ke1 Bf5) 17... Qf2+ 18. Kh1 Qg1# { Black wins by checkmate. } 0-1