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[Event "Hourly UltraBullet Arena"] [Site "https://lichess.org/evAc9iLf"] [Date "2023.05.05"] [White "challengers9"] [Black "Sourav_M_S_2004"] [Result "1-0"] [UTCDate "2023.05.05"] [UTCTime "10:49:26"] [WhiteElo "1604"] [BlackElo "1820"] [WhiteRatingDiff "+23"] [BlackRatingDiff "-26"] [Variant "Standard"] [TimeControl "15+0"] [ECO "A43"] [Opening "Benoni Defense: Old Benoni"] [Termination "Time forfeit"] [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. c4?! { (0.98 → 0.00) Inaccuracy. d5 was best. } (2. d5 Nf6 3. Nc3 d6 4. e4 e6 5. Bc4 Be7 6. Nge2 exd5) 2... cxd4 3. Nc3?? { (0.00 → -6.44) Blunder. Qxd4 was best. } (3. Qxd4 Nc6 4. Qd3 Nf6 5. Nc3 Ne5 6. Qd4 Nc6) 3... d6?? { (-6.44 → 0.00) Blunder. dxc3 was best. } (3... dxc3 4. e3 cxb2 5. Bxb2 Qa5+ 6. Qd2 Qxd2+ 7. Kxd2 b6 8. Ne2) 4. Nb5? { (0.00 → -1.62) Mistake. Qxd4 was best. } (4. Qxd4 Nc6 5. Qd2 Nf6 6. e4 g6 7. Be2 Bg7 8. Nf3 Qa5) 4... Nc6?! { (-1.62 → -0.49) Inaccuracy. e5 was best. } (4... e5 5. e3 a6 6. Na3 dxe3 7. Bxe3 Nf6 8. Nf3 Nc6 9. Be2 Be6 10. O-O h6 11. Qb3) 5. Nxd4 Nxd4 6. Qxd4 e5 7. Qd1 Nf6 8. Bg5?! { (-0.46 → -1.30) Inaccuracy. Nf3 was best. } (8. Nf3 Be7) 8... d5 9. Bxf6?? { (-1.01 → -6.65) Blunder. Nf3 was best. } (9. Nf3 Qb6) 9... e4?? { (-6.65 → 4.65) Blunder. Bb4+ was best. } (9... Bb4+ 10. Qd2 Bxd2+ 11. Kxd2 Qa5+ 12. Kc2 Bf5+ 13. e4 Bxe4+ 14. Bd3 Bxd3+ 15. Kxd3 dxc4+ 16. Kc2) 10. Bxd8 Kxd8?! { (4.86 → 7.54) Inaccuracy. Bb4+ was best. } (10... Bb4+ 11. Qd2 Bxd2+ 12. Kxd2 Kxd8 13. e3 Ke7 14. c5 Bd7 15. Ne2 Rac8 16. Rc1 Rc7 17. Nd4) 11. Nf3 exf3 12. exf3?! { (6.23 → 4.25) Inaccuracy. Qxd5+ was best. } (12. Qxd5+ Ke8 13. O-O-O Be7 14. exf3 g6 15. Re1 Be6 16. Rxe6 fxe6 17. Qxe6 Kf8 18. Qe5 Rg8) 12... Ke8?! { (4.25 → 5.95) Inaccuracy. Bb4+ was best. } (12... Bb4+ 13. Ke2 Re8+ 14. Kd3 Bf5+ 15. Kd4 Rc8 16. a3 Bc5+ 17. Kc3 d4+ 18. Kb3 Bg6 19. Ka2) 13. cxd5 Bb4+ 14. Ke2 Kd8 15. Kd3 b6 16. Qa4 Ba6+?! { (5.29 → 8.22) Inaccuracy. a5 was best. } (16... a5 17. a3 Bf5+ 18. Ke3 Bd6 19. Kd2 Rc8 20. Bd3 Bxd3 21. Rhc1 Bb5 22. Qxb5 Rxc1 23. Rxc1) 17. Qxa6 Bc5 18. Qb7 Rc8 19. Qxc8+?! { (9.38 → 5.85) Inaccuracy. g3 was best. } (19. g3 Rc7 20. Qa8+ Rc8 21. Qxa7 Re8 22. Bh3 Re7 23. Qa4 g6 24. Rae1 Bxf2 25. Rxe7 Kxe7) 19... Kxc8 20. Rc1 Kd7 21. b4 Bd6 22. Kd4 Rc8 23. Rc6 Rxc6 24. dxc6+ Kxc6 25. Bc4 Bxb4 26. Bxf7 Bc5+ 27. Ke5 g6 28. Ke4 Bd6 29. Rc1+ Bc5 30. Rxc5+ Kd6?! { (6.00 → 9.08) Inaccuracy. Kxc5 was best. } (30... Kxc5 31. f4 b5 32. g4 Kd6 33. Bb3 a5 34. Kd4 a4 35. Bd1 h5 36. gxh5 gxh5 37. h4) 31. Rc8 a5 32. Rd8+ Kc5 33. Re8 Kb4 34. Re5 Ka3 35. Rc5?! { (11.87 → 6.37) Inaccuracy. Rb5 was best. } (35. Rb5 h5 36. f4 h4 37. Rxb6 Ka4 38. Rxg6 Ka3 39. Rc6 Kb4 40. f5 a4 41. Bd5 Ka5) 35... b5?! { (6.37 → 16.93) Inaccuracy. bxc5 was best. } (35... bxc5 36. Bc4 Kb4 37. Kd5 Kc3 38. Kxc5 g5 39. a4 Kd2 40. g4 Kc3 41. Kb5 Kd4 42. Be2) 36. Rxb5 a4?! { (39.08 → Mate in 7) Checkmate is now unavoidable. h6 was best. } (36... h6 37. Rxa5+ Kb4 38. Ra6 Kc3 39. Rxg6 h5 40. h4 Kd2 41. g4 hxg4 42. fxg4 Ke2 43. f4) 37. Ra5?! { (Mate in 7 → 10.85) Lost forced checkmate sequence. f4 was best. } (37. f4 h6 38. Bd5 h5 39. h4 g5 40. f5 gxh4 41. f6 h3 42. f7 hxg2 43. f8=Q#) 37... Kb2 38. Rd5 Ka1 39. Ra5 g5 40. Rxa4 { White wins on time. } 1-0