lichess dev

[Event "UltraBullet Shield Arena"] [Site "http://chess-academy.net/rR2T8BkB"] [Date "2023.12.10"] [Round "-"] [White "Kristal"] [Black "Sara"] [Result "0-1"] [UTCDate "2023.12.10"] [UTCTime "16:13:24"] [WhiteElo "1661"] [BlackElo "1291"] [WhiteRatingDiff "-91"] [BlackRatingDiff "+115"] [Variant "Standard"] [TimeControl "15+0"] [ECO "B01"] [Opening "Scandinavian Defense"] [Termination "Time forfeit"] [Annotator "chess-academy.net"] 1. e4 d5?! { (0.12 → 0.81) Inaccuracy. Best move was e6. } { B01 Scandinavian Defense } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. f3? { (0.81 → -1.20) Mistake. Best move was exd5. } (2. exd5 Nf6 3. Nf3 Nxd5 4. d4 c5 5. c4 Nf6 6. d5 e6) 2... d4? { (-1.20 → -0.13) Mistake. Best move was e5. } (2... e5 3. exd5) 3. g3? { (-0.13 → -1.24) Mistake. Best move was Bc4. } (3. Bc4 e5 4. d3 Bd6 5. Nd2 c6 6. Ne2 b5 7. Bb3 a5 8. a4 Qh4+ 9. Ng3 Ne7) 3... d3? { (-1.24 → 0.83) Mistake. Best move was e5. } (3... e5) 4. h3? { (0.83 → -1.41) Mistake. Best move was Bxd3. } (4. Bxd3 e5 5. Bb5+ Bd7 6. Bxd7+ Qxd7 7. d3 Bc5 8. Nc3 Nc6 9. f4 Nf6 10. Nf3 O-O-O) 4... dxc2 5. h4?? { (-1.03 → -14.45) Blunder. Best move was Qxc2. } (5. Qxc2 e5) 5... cxb1=Q?? { (-14.45 → -5.10) Blunder. Best move was cxd1=R+. } (5... cxd1=R+ 6. Kxd1 Qd6 7. Ne2 Qb6 8. d4 Nc6 9. Nbc3 e6 10. Be3 e5 11. Nd5 Qxb2 12. Rc1) 6. g4?? { (-5.10 → -24.83) Blunder. Best move was Rxb1. } (6. Rxb1) 6... Qxa1 7. g5 Qxa2 8. h5 Qa3 9. g6 Qa4 10. e5 Qa5 11. f4 Qa6 12. f5 Qb6 13. e6 Qc6?? { (-27.74 → Mate in 1) Checkmate is now unavoidable. Best move was fxe6. } (13... fxe6 14. Bc4 Qc5 15. d3 Qxf5 16. gxh7 Rxh7 17. Ne2 Rxh5 18. Rf1 Qg4 19. Qc2 Nf6 20. Be3) 14. f6?? { (Mate in 1 → -28.76) Lost forced checkmate sequence. Best move was gxf7#. } (14. gxf7#) 14... Qcd6?? { (-28.76 → Mate in 1) Checkmate is now unavoidable. Best move was Qxe6+. } (14... Qxe6+ 15. Be2) 15. h6?? { (Mate in 1 → Mate in 2) Lost forced checkmate sequence. Best move was gxf7#. } (15. gxf7#) 15... Qxe6+?! { (Mate in 2 → -28.39) Lost forced checkmate sequence. Best move was Qg3+. } (15... Qg3+ 16. Ke2 Qdd3#) 16. Kf2 Qxf6+ 17. Ke1 Qxg6 18. d3 Qxh6 19. d4 Qh5 20. d5 Qh4+ { Black wins on time. } 0-1