[Event "Monthly UltraBullet Arena"] [Site "https://lichess.org/FXpRwV0L"] [Date "2019.03.31"] [White "Robin1002"] [Black "arnab0904"] [Result "0-1"] [UTCDate "2019.03.31"] [UTCTime "18:06:06"] [WhiteElo "1662"] [BlackElo "1383"] [WhiteRatingDiff "-259"] [BlackRatingDiff "+79"] [Variant "Standard"] [TimeControl "15+0"] [ECO "A43"] [Opening "Benoni Defense: Old Benoni"] [Termination "Time forfeit"] [Annotator "lichess.org"] 1. d4 c5 { A43 Benoni Defense: Old Benoni } 2. Bf4?! { (0.57 → -0.51) Inaccuracy. d5 was best. } (2. d5 Nf6 3. Nc3 d6 4. e4 e6 5. Bd3 Be7 6. Nf3 exd5) 2... e6?! { (-0.51 → 0.05) Inaccuracy. cxd4 was best. } (2... cxd4 3. c3 dxc3 4. Nxc3 d6 5. e4 e5 6. Be3 Nf6 7. Bc4) 3. e3 cxd4 4. f3?? { (0.30 → -1.93) Blunder. exd4 was best. } (4. exd4 Qb6 5. b3 Bd6 6. Be3 Nf6 7. Nf3 Nc6 8. c4 Ng4) 4... d5? { (-1.93 → -0.77) Mistake. dxe3 was best. } (4... dxe3 5. Bxe3 Nc6 6. Bd3 Nf6 7. Ne2 d5 8. O-O Bd6 9. Nd2 O-O 10. c3 e5 11. Ng3) 5. exd4 Bb4+?! { (-0.95 → 0.12) Inaccuracy. Qb6 was best. } (5... Qb6 6. Nc3 Bd7 7. Nge2 Be7 8. Qd2 Nc6 9. g4 Na5 10. b3 Nf6 11. Bg2 h6 12. O-O) 6. c3 Bd6 7. Nd2?? { (0.04 → -4.75) Blunder. Bxd6 was best. } (7. Bxd6) 7... Bxf4 8. Qc2 Bxd2+?! { (-5.79 → -4.43) Inaccuracy. Qh4+ was best. } (8... Qh4+ 9. Kd1 Ne7 10. Bd3 Bc7 11. Ne2 Nbc6 12. g3 Qh6 13. a4 O-O 14. Kc1 Nf5 15. Bxf5) 9. Qxd2 Nf6 10. Bd3 O-O 11. O-O-O b5 12. Kb1 b4 13. Qc2 bxc3 14. bxc3 Nbd7 15. g4 Ba6 16. h4 Bxd3 17. g5?! { (-7.04 → -20.84) Inaccuracy. Qxd3 was best. } (17. Qxd3 Qa5 18. Ka1 Rac8 19. Ne2 Ne8 20. Rb1 Nd6 21. h5 Rc6 22. g5 Nb6 23. Rb4 Nbc4) 17... Rb8+ 18. Ka1?! { (-20.17 → Mate in 8) Checkmate is now unavoidable. Kc1 was best. } (18. Kc1 Bxc2) 18... Bxc2 19. Rc1 Qb6 20. Rxc2 Qa5?! { (Mate in 1 → -17.83) Lost forced checkmate sequence. Qb1# was best. } (20... Qb1#) 21. Rb2?! { (-17.83 → Mate in 3) Checkmate is now unavoidable. gxf6 was best. } (21. gxf6 Qb5 22. Ne2 Qd3 23. Rhc1 Nxf6 24. Ng3 Qxf3 25. Ne2 Rfc8 26. Ng1 Qg3 27. Ne2 Qxh4) 21... Rxb2 22. Kxb2 Rb8+ 23. Kc2 Qa3 24. Kd3 Qxa2 25. f4 Qb3 26. Nf3 Nc5+ 27. Ke3 Nd3 28. Ke2 Rc8 { Black wins on time. } 0-1