[Event "OPG.nett.club Arena"] [Site "https://lichess.org/WfPvT0Fb"] [Date "2021.03.23"] [White "OberBKD"] [Black "mas123ud"] [Result "0-1"] [UTCDate "2021.03.23"] [UTCTime "14:02:10"] [WhiteElo "2387"] [BlackElo "2079"] [WhiteRatingDiff "-10"] [BlackRatingDiff "+10"] [Variant "Standard"] [TimeControl "240+0"] [ECO "A04"] [Opening "Zukertort Opening: Pirc Invitation"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 d6 { A04 Zukertort Opening: Pirc Invitation } 2. b3?! { (0.67 → 0.00) Inaccuracy. d4 was best. } (2. d4 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 O-O 6. Be2 e5) 2... e5 3. Bb2?! { (0.15 → -0.56) Inaccuracy. d3 was best. } (3. d3 f5 4. c4 g6 5. g3 Bg7 6. Bb2 Na6 7. Bg2 Nf6) 3... f5?! { (-0.56 → 0.13) Inaccuracy. e4 was best. } (3... e4 4. Ng1 d5 5. e3 Nc6 6. d3 Nf6 7. Nd2 Bf5 8. dxe4) 4. d3 Nf6 5. Nbd2 Be7 6. e4 fxe4 7. dxe4 O-O 8. Be2 Nc6 9. O-O Qe8 10. Kh1 Nd8 11. h3? { (-0.26 → -1.79) Mistake. Ne1 was best. } (11. Ne1 Ne6 12. g3 b5 13. a4 bxa4 14. Rxa4 a5 15. f3 Bd7 16. Bc4 Kh8 17. Ra1 a4) 11... Ne6 12. Re1 Nf4 13. Bf1 Qh5 14. Kh2?! { (-1.58 → -2.50) Inaccuracy. Nh2 was best. } (14. Nh2 Qh6 15. c4 b6 16. b4 Be6 17. c5 dxc5 18. Nc4 cxb4 19. Nxe5 Bc5 20. Qc2 a5) 14... Ng4+?! { (-2.50 → -1.49) Inaccuracy. Be6 was best. } (14... Be6) 15. Kg1 Nf6 16. Kh2?! { (-1.57 → -2.41) Inaccuracy. Re3 was best. } (16. Re3 Be6 17. c4 b6 18. Ne1 Qh6 19. Nd3 N6h5 20. Nxf4 Nxf4 21. Bc1 Rae8 22. Nf3 a5) 16... Qh6 17. Bc1?? { (-2.18 → -6.19) Blunder. Kg1 was best. } (17. Kg1 g5 18. Nh2 Qg6 19. Re3 h5 20. a4 a5 21. Qe1 g4 22. hxg4 hxg4 23. g3 Ne6) 17... Kh8?? { (-6.19 → -2.50) Blunder. Bxh3 was best. } (17... Bxh3) 18. Nc4 g5 19. Ng1?? { (-2.90 → -7.90) Blunder. Kg1 was best. } (19. Kg1 Rg8 20. Ncxe5 dxe5 21. Nxe5 Be6 22. Bb2 Rg7 23. Bc4 Rf8 24. Bxe6 Nxe6 25. Ng4 Nxg4) 19... Ng4+ 20. Kg3? { (-7.96 → Mate in 1) Checkmate is now unavoidable. Qxg4 was best. } (20. Qxg4 Bxg4 21. f3 Bd7 22. Ne3 Qg6 23. Bb2 g4 24. fxg4 Qxe4 25. Nf5 Qxc2 26. Bxe5+ dxe5) 20... Qh4+ 21. Kf3 Qxf2# { Black wins by checkmate. } 0-1