[Event "577th PRIZE CHESSATHON"] [Site "https://lichess.org/3XtTJCSX"] [Date "2021.08.06"] [White "HITANSOLANKI"] [Black "Rikudou_LCKB"] [Result "1-0"] [UTCDate "2021.08.06"] [UTCTime "05:55:48"] [WhiteElo "1480"] [BlackElo "2501"] [WhiteRatingDiff "+18"] [BlackRatingDiff "-12"] [Variant "Standard"] [TimeControl "180+0"] [ECO "A05"] [Opening "King's Indian Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. g3 Nf6 2. Nf3 d5 { A05 King's Indian Attack } 3. Bg2 Bf5 4. O-O Bg6 5. d3 e6 6. e4 Be7?! { (0.21 → 0.86) Inaccuracy. dxe4 was best. } (6... dxe4 7. Ne5) 7. e5? { (0.86 → -0.59) Mistake. Ne5 was best. } (7. Ne5) 7... Nfd7 8. d4 O-O 9. Be3 c5 10. Nbd2 Nc6 11. c3 Qb6 12. Nb3?? { (-1.42 → -4.56) Blunder. b4 was best. } (12. b4 cxb4 13. c4 Qc7 14. cxd5 exd5 15. Nh4 Bxh4 16. gxh4 h6 17. Bxd5 Nb6 18. Bg2 Rad8) 12... c4 13. Nbd2?! { (-3.59 → -4.56) Inaccuracy. Nc1 was best. } (13. Nc1) 13... Qxb2 14. Rb1?! { (-4.37 → -5.87) Inaccuracy. Rc1 was best. } (14. Rc1) 14... Bxb1 15. Nxb1 Qxa2 16. Bh3 Rac8?! { (-7.07 → -5.11) Inaccuracy. a5 was best. } (16... a5 17. Ng5 Bxg5 18. Bxg5 Qb3 19. Qc1 a4 20. Na3 b5 21. f4 b4 22. f5 Qxa3 23. Qxa3) 17. Ng5 Bxg5 18. Bxg5 b5 19. f4 b4 20. cxb4?! { (-5.31 → -7.04) Inaccuracy. f5 was best. } (20. f5 Kh8) 20... Nxb4? { (-7.04 → -3.77) Mistake. Qb2 was best. } (20... Qb2) 21. Be7? { (-3.77 → -6.58) Mistake. f5 was best. } (21. f5 Rce8) 21... Qb2 22. Bxf8 Nxf8 23. f5 exf5 24. Rxf5 Rd8 25. Nd2 Qxd4+ 26. Kg2 c3 27. Qh5 cxd2?? { (-10.11 → Mate in 3) Checkmate is now unavoidable. Qxd2+ was best. } (27... Qxd2+ 28. Rf2) 28. Qxf7+ Kh8 29. Qxf8+ Rxf8 30. Rxf8# { White wins by checkmate. } 1-0