[Event "Hourly UltraBullet Arena"] [Site "https://lichess.org/8UR471vA"] [Date "2021.10.18"] [White "AlvaroMCA"] [Black "NathanKuo"] [Result "0-1"] [UTCDate "2021.10.18"] [UTCTime "23:31:02"] [WhiteElo "1922"] [BlackElo "1278"] [WhiteRatingDiff "-11"] [BlackRatingDiff "+12"] [Variant "Standard"] [TimeControl "15+0"] [ECO "A00"] [Opening "Ware Opening"] [Termination "Time forfeit"] [Annotator "lichess.org"] 1. a4 { A00 Ware Opening } e5 2. a5?! { (0.00 → -0.73) Inaccuracy. e3 was best. } (2. e3 Nc6 3. d4 d5 4. dxe5 Nxe5 5. Nd2 Nc6 6. Ngf3 Bd6) 2... d5 3. d3 Bd7?! { (-0.82 → 0.19) Inaccuracy. Nf6 was best. } (3... Nf6 4. Nf3 Bd6 5. g3 O-O 6. Bg2 Re8 7. O-O h6 8. Nc3) 4. d4? { (0.19 → -1.04) Mistake. e4 was best. } (4. e4 d4 5. Nf3 Bd6 6. Nbd2 Ne7 7. Be2 Ng6 8. Nc4 Bb4+ 9. c3 dxc3 10. O-O Nc6) 4... Bb5?? { (-1.04 → 1.18) Blunder. exd4 was best. } (4... exd4 5. Qxd4 Nf6 6. Qd1 Bd6 7. Nf3 O-O 8. e3 Qe7 9. Be2 Rd8 10. O-O a6 11. Nc3) 5. dxe5 Bxe2?? { (1.55 → 9.85) Blunder. Nc6 was best. } (5... Nc6 6. Nf3) 6. Bxe2 Qg5 7. f4 Qxf4 8. Nf3 Qd2+ 9. Qxd2 Bc5 10. Qd1 Bf2+ 11. Kxf2 Nc6 12. Rf1 Nxa5 13. Kg1 Nb3 14. Ng5 Nxc1 15. Rxf7 Nxe2+ 16. Qxe2 O-O-O 17. Qg4+?! { (Mate in 5 → 16.92) Lost forced checkmate sequence. Rxa7 was best. } (17. Rxa7 Ne7 18. Ra8+ Kd7 19. Qb5+ c6 20. Qxb7+ Ke8 21. Qxe7#) 17... Kb8 18. Rf8 Rxf8 19. Qd4 Kc8 20. Qxa7 c6?! { (15.07 → Mate in 4) Checkmate is now unavoidable. Rf5 was best. } (20... Rf5 21. e6) 21. Kh1? { (Mate in 4 → 9.41) Lost forced checkmate sequence. Qb6 was best. } (21. Qb6 Rf1+ 22. Kxf1 Ne7 23. Ra8+ Kd7 24. Qxb7#) 21... Kd7? { (9.41 → Mate in 2) Checkmate is now unavoidable. Rf1+ was best. } (21... Rf1+ 22. Qg1) 22. h3?! { (Mate in 2 → 17.48) Lost forced checkmate sequence. Qxb7+ was best. } (22. Qxb7+ Kd8 23. Ra8#) 22... Ke7?! { (17.48 → Mate in 2) Checkmate is now unavoidable. Rc8 was best. } (22... Rc8 23. Qxb7+) 23. Kh2 Kd7 { Black wins on time. } 0-1