[Event "Treningchess Arena"] [Site "https://lichess.org/dP48g1Fl"] [Date "2021.08.01"] [White "BlokhinOleg"] [Black "Diman2012"] [Result "1-0"] [UTCDate "2021.08.01"] [UTCTime "10:13:48"] [WhiteElo "1295"] [BlackElo "2113"] [WhiteRatingDiff "+13"] [BlackRatingDiff "-12"] [Variant "Standard"] [TimeControl "900+3"] [ECO "A02"] [Opening "Bird Opening"] [Termination "Normal"] [Annotator "lichess.org"] 1. f4 { A02 Bird Opening } c6 2. Nf3 d5 3. e3 Nf6 4. d4 Bg4 5. b3 e6 6. Bb2 Bb4+ 7. c3 Ba5 8. Be2 Nbd7 9. O-O O-O 10. Bd3 Ne4 11. Ba3 Re8 12. b4 Bb6 13. Nbd2? { (-0.57 → -2.03) Mistake. c4 was best. } (13. c4) 13... Nxc3 14. Qe1?? { (-1.48 → -4.14) Blunder. Qc2 was best. } (14. Qc2 Nb5) 14... Bxf3?? { (-4.14 → -1.90) Blunder. Bf5 was best. } (14... Bf5) 15. Nxf3 h6?? { (-1.63 → 6.52) Blunder. Nb5 was best. } (15... Nb5 16. Bb2 Nd6 17. a4 a6 18. a5 Bc7 19. Kh1 Nf6 20. Rg1 g6 21. g4 Nfe4 22. Qe2) 16. Qxc3 a5 17. Bc2 axb4 18. Bxb4 c5 19. Ba3?? { (6.14 → 2.76) Blunder. dxc5 was best. } (19. dxc5 Nxc5) 19... cxd4 20. Qd3 dxe3?? { (2.63 → Mate in 1) Checkmate is now unavoidable. Rxa3 was best. } (20... Rxa3 21. Qxa3 dxe3 22. Kh1 Qc7 23. Rac1 Qxf4 24. Bd3 Nf6 25. Qb3 Qd6 26. Rb1 Nd7 27. Bb5) 21. Qh7# { White wins by checkmate. } 1-0