lichess dev

[Event "Monthly UltraBullet Arena"] [Site "http://chess-academy.net/i5KcMn8x"] [Date "2021.08.01"] [Round "-"] [White "chessinsight"] [Black "NOT_FOUND"] [Result "0-1"] [UTCDate "2021.08.01"] [UTCTime "14:03:12"] [WhiteElo "1500"] [BlackElo "1223"] [WhiteRatingDiff "-340"] [BlackRatingDiff "+62"] [Variant "Standard"] [TimeControl "15+0"] [ECO "A00"] [Opening "Van Geet Opening"] [Termination "Time forfeit"] [Annotator "chess-academy.net"] 1. Nc3 { A00 Van Geet Opening } e6?! { (-0.10 → 0.41) Inaccuracy. Best move was d5. } (1... d5 2. d4 Nf6 3. Bf4 e6 4. e3 Bb4 5. Ne2 O-O 6. g3) 2. Nd5?? { (0.41 → -4.38) Blunder. Best move was e4. } (2. e4 d5 3. d4 Nf6 4. exd5 exd5 5. Nf3 Bd6 6. Bd3 O-O) 2... Nf6?? { (-4.38 → 0.37) Blunder. Best move was exd5. } (2... exd5 3. b3) 3. Nxc7+?? { (0.37 → -4.16) Blunder. Best move was Nxf6+. } (3. Nxf6+) 3... Qxc7 4. e4? { (-3.78 → -5.07) Mistake. Best move was d4. } (4. d4) 4... Qd8? { (-5.07 → -3.01) Mistake. Best move was Nxe4. } (4... Nxe4) 5. e5 d6?? { (-3.55 → 0.31) Blunder. Best move was Nd5. } (5... Nd5 6. Nf3 d6 7. d4 Nc6 8. Be2 dxe5 9. dxe5 Qc7 10. O-O Nde7 11. Bd3 Ng6 12. Re1) 6. Qe2?? { (0.31 → -5.46) Blunder. Best move was exf6. } (6. exf6) 6... dxe5 7. Qb5+? { (-4.91 → -6.12) Mistake. Best move was Nf3. } (7. Nf3 e4 8. Ng5 Qd5 9. d3 exd3 10. Qxd3 Nc6 11. Qxd5 Nxd5 12. Bd2 Bd7 13. Bc4 Ncb4) 7... Bd7 8. Bc4?? { (-5.50 → -14.67) Blunder. Best move was Qxb7. } (8. Qxb7 Nc6) 8... Bc6 9. Qxc6+ Nxc6 10. Bxe6 Be7 11. Bxf7+ Kxf7 12. Nf3 Kf8 13. Ng5 Qd7 14. Ne6+ Qxe6 15. Kf1 Qf7 16. g3?! { (-25.37 → Mate in 6) Checkmate is now unavoidable. Best move was d3. } (16. d3 Ng4) 16... Qe6?! { (Mate in 6 → -26.89) Lost forced checkmate sequence. Best move was Ng4. } (16... Ng4 17. f4 Qc4+ 18. Kg2 Qe4+ 19. Kf1 Qf3+ 20. Ke1 Nd4 21. Rf1 Nxc2#) 17. Kg2 Qc4 18. Rd1 Qxc2 19. Rf1 Qd3 { Black wins on time. } 0-1