[Event "Hourly UltraBullet Arena"] [Site "https://lichess.org/nexnnHPh"] [Date "2023.07.05"] [White "Jschess1"] [Black "marcos-c"] [Result "0-1"] [UTCDate "2023.07.05"] [UTCTime "15:37:21"] [WhiteElo "1851"] [BlackElo "1368"] [WhiteRatingDiff "-11"] [BlackRatingDiff "+38"] [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. } { A43 Benoni Defense: Old Benoni } (1... Nf6 2. c4 e6 3. Nf3 d5 4. cxd5 exd5 5. Bf4 c6 6. Nc3) 2. Nf3?! { (0.98 → 0.00) Inaccuracy. d5 was best. } (2. d5 Nf6 3. Nc3 d6 4. e4 e6 5. Bc4 Be7 6. Nge2 exd5) 2... Nc6?? { (0.00 → 1.74) Blunder. cxd4 was best. } (2... cxd4 3. Qxd4 Nc6 4. Qa4 Nf6 5. Nc3 d6 6. Bg5 e6 7. O-O-O) 3. Bg5?? { (1.74 → -0.52) Blunder. d5 was best. } (3. d5 Nb8 4. e4 d6 5. Be2 Nf6 6. Nc3 g6 7. a4 Bg7) 3... d5 4. Bf4?! { (-0.07 → -0.72) Inaccuracy. c4 was best. } (4. c4 cxd4 5. Nxd4 h6 6. Bf4 Nf6 7. cxd5 Qxd5 8. Nxc6 Qxd1+) 4... cxd4 5. Bb8?? { (-0.73 → -9.15) Blunder. Nxd4 was best. } (5. Nxd4 Qb6 6. Nxc6 bxc6 7. Nd2 Nf6 8. c4 e6 9. cxd5 cxd5 10. Be5 Bd6 11. Bxd6 Qxd6) 5... e5?? { (-9.15 → -1.43) Blunder. Rxb8 was best. } (5... Rxb8 6. Nxd4 e5 7. Nxc6 bxc6 8. e3 Bd6 9. Be2 Nf6 10. O-O O-O 11. c4 d4 12. Nd2) 6. Bc7?? { (-1.43 → -10.63) Blunder. Bxe5 was best. } (6. Bxe5 Nxe5 7. Nxe5 Qb6 8. Nd2 Nf6 9. g3 Qxb2 10. Bg2 Bb4 11. O-O Bc3 12. Rb1 Qxa2) 6... Qxc7 7. Nxe5 Qa5+ 8. c3 dxc3 9. Nxc6 bxc6 10. Nd2 cxb2 11. Rb1 Qxd2+?? { (-10.78 → 1.57) Blunder. Qc3 was best. } (11... Qc3 12. Qb3 Qc1+ 13. Qd1 Ba3 14. e3 Nf6 15. Bd3 Qxd1+ 16. Rxd1 Rb8 17. O-O a5 18. Bc2) 12. Qxd2 c5?? { (1.48 → 9.16) Blunder. a5 was best. } (12... a5 13. Rxb2) 13. Qxb2?! { (9.16 → 5.95) Inaccuracy. Qxd5 was best. } (13. Qxd5 Ne7 14. Qxa8 g6 15. e4 Bg7 16. Bb5+ Kf8 17. Qxa7 Bc3+ 18. Ke2 Bf6 19. Rhd1 Kg7) 13... c4 14. Qb8?? { (7.30 → -7.43) Blunder. Qe5+ was best. } (14. Qe5+ Ne7 15. e4 f6 16. Qc7 Be6 17. Be2 Rc8 18. Rb8 Rxb8 19. Qxb8+ Nc8 20. O-O Bd6) 14... c3?? { (-7.43 → 12.37) Blunder. Rxb8 was best. } (14... Rxb8 15. Rxb8 Kd8 16. e4 Nf6 17. exd5 Bd6 18. Rxc8+ Kxc8 19. Bxc4 Kd7 20. Kd2 Rb8 21. Kc2) 15. Qxa8 Bc5?! { (11.87 → Mate in 8) Checkmate is now unavoidable. Ne7 was best. } (15... Ne7 16. Rc1 f6 17. e3 Kf7 18. Rxc3 Bf5 19. Rc7 h5 20. Bb5 Kg6 21. Rxe7 Kg5 22. O-O) 16. Rc1? { (Mate in 8 → 7.81) Lost forced checkmate sequence. Qxc8+ was best. } (16. Qxc8+ Ke7 17. Qxc5+ Ke6 18. Qc6+ Kf5 19. Qxd5+ Kf6 20. Qc6+ Kg5 21. h4+ Kf4 22. Rb5 f5) 16... Nf6?! { (7.81 → 16.95) Inaccuracy. Ne7 was best. } (16... Ne7 17. Qb8 O-O 18. Qb5 Bd6 19. Qa4 Be5 20. e3 Bf5 21. Bb5 a6 22. Qxa6 Rb8 23. O-O) 17. Qxc8+ Ke7 18. Qxh8 Bb4 19. Qxg7?? { (17.34 → Mate in 1) Checkmate is now unavoidable. e3 was best. } (19. e3 Ne4 20. Rc2 Nf6 21. Qxg7 Bd6 22. a4 a5 23. Qg5 Ke6 24. f3 Bxh2 25. Rxh2 Ne4) 19... c2# { Black wins by checkmate. } 0-1