[Event "Classical Shield Arena"] [Site "https://lichess.org/brGxrAzw"] [Date "2021.08.06"] [White "Pedrongbulag"] [Black "Shakki987"] [Result "0-1"] [UTCDate "2021.08.06"] [UTCTime "16:29:11"] [WhiteElo "1725"] [BlackElo "2132"] [WhiteRatingDiff "-5"] [BlackRatingDiff "+6"] [Variant "Standard"] [TimeControl "1200+10"] [ECO "B30"] [Opening "Sicilian Defense: Old Sicilian"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 Nc6 { B30 Sicilian Defense: Old Sicilian } 3. Be2 g6 4. b3?! { (0.11 → -0.60) Inaccuracy. c3 was best. } (4. c3 Nf6 5. e5 Nd5 6. d4 cxd4 7. Qb3 e6 8. cxd4 d6) 4... Bg7 5. Nc3 d6 6. Bb2 Nf6 7. Nd5 O-O 8. Nxf6+ exf6 9. O-O Ne5? { (-0.99 → 0.25) Mistake. Re8 was best. } (9... Re8 10. d3 f5 11. Bxg7 Kxg7 12. exf5 Bxf5 13. Qd2 Qf6 14. c3 Re7 15. Rfe1 Rae8 16. h3) 10. d4 cxd4?! { (0.25 → 1.16) Inaccuracy. Nc6 was best. } (10... Nc6 11. d5) 11. Nxd4 f5?! { (1.05 → 2.11) Inaccuracy. d5 was best. } (11... d5 12. exd5) 12. exf5 Bxf5 13. Nxf5 gxf5 14. f4 Nf3+?! { (1.85 → 2.81) Inaccuracy. Nc6 was best. } (14... Nc6) 15. Bxf3 Bxb2 16. Bxb7?? { (2.72 → -5.32) Blunder. Rb1 was best. } (16. Rb1) 16... Qb6+ 17. Kh1 Qxb7 18. Rb1 Bg7 19. Qxd6 Rfd8 20. Qa3 Rd2 21. c4?? { (-6.63 → Mate in 1) Checkmate is now unavoidable. Rf3 was best. } (21. Rf3) 21... Qxg2# { Black wins by checkmate. } 0-1