[Event "Hourly UltraBullet Arena"] [Site "https://lichess.org/G5H3bz0F"] [Date "2023.11.08"] [White "yaorui"] [Black "The-Mechatron"] [Result "0-1"] [UTCDate "2023.11.08"] [UTCTime "00:44:19"] [WhiteElo "1730"] [BlackElo "1397"] [WhiteRatingDiff "-10"] [BlackRatingDiff "+12"] [Variant "Standard"] [TimeControl "15+0"] [ECO "A43"] [Opening "Benoni Defense: Old Benoni"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 c5?! { (0.00 → 0.98) Inaccuracy. Nf6 was best. } (1... Nf6 2. c4 e6 3. Nf3 d5 4. cxd5 exd5 5. Bf4 c6 6. Nc3) 2. d5 d6 { A43 Benoni Defense: Old Benoni } 3. e4 Bd7?! { (0.59 → 1.54) Inaccuracy. Nf6 was best. } (3... Nf6 4. Nc3 g6 5. Nf3 Bg7 6. Bc4 Bg4 7. h3 Bxf3 8. Qxf3) 4. e5?! { (1.54 → 0.45) Inaccuracy. c4 was best. } (4. c4 g6 5. Bd3 Bg7 6. Nc3 Na6 7. Nge2 Nf6 8. O-O O-O) 4... g6 5. e6? { (0.37 → -1.02) Mistake. f4 was best. } (5. f4 e6 6. Nc3 exd5 7. Nxd5 Bc6 8. Nf3 Bg7 9. Nc3 Nh6 10. Bc4 O-O 11. O-O dxe5) 5... Bxe6?? { (-1.02 → 3.53) Blunder. fxe6 was best. } (5... fxe6 6. c4 exd5 7. cxd5 Na6 8. Nc3 Bg7 9. Nf3 Nc7 10. a4 Nf6 11. Be2 a6 12. a5) 6. Nf3?? { (3.53 → -0.79) Blunder. dxe6 was best. } (6. dxe6 fxe6 7. g3 Bh6 8. Nf3 Bxc1 9. Qxc1 Nc6 10. Bg2 Nf6 11. O-O O-O 12. c4 Qb6) 6... Bd7 7. Ng5 Bg7 8. Nxf7?? { (-1.21 → -3.54) Blunder. Nc3 was best. } (8. Nc3 h6 9. Nf3 Nf6 10. Bc4 O-O 11. O-O Na6 12. Bxa6 bxa6 13. h3 a5 14. Re1 Re8) 8... Kxf7 9. f3 Ke8 10. Bd3 Nf6 11. O-O Bf5 12. Bxf5 gxf5 13. Bg5 Rg8 14. Bxf6 Bxf6 15. Qe2 Qd7 16. Nc3 Na6 17. Nb5 Kd8 18. Nxd6?! { (-4.37 → -6.56) Inaccuracy. c4 was best. } (18. c4 h5 19. f4 Nc7 20. a4 h4 21. Rf3 a5 22. Kf1 Nxb5 23. axb5 b6 24. Re1 a4) 18... exd6 19. Rae1 Qg7 20. Qe6?? { (-6.19 → Mate in 1) Checkmate is now unavoidable. f4 was best. } (20. f4 Nc7 21. Rf3 Re8 22. Qd2 Rxe1+ 23. Qxe1 Kd7 24. Kf1 Re8 25. Qxe8+ Kxe8 26. c3 Kd7) 20... Qxg2# { Black wins by checkmate. } 0-1