[Event "Chesstempo game"] [Site "Chesstempo.com"] [Date "2018.4.3"] [Round "?"] [White "guest_7783"] [Black "superpac"] [Result "0-1"] [WhiteElo "1500"] [BlackElo "1648"] [Variant "Standard"] [TimeControl "-"] [ECO "A04"] [Opening "Zukertort Opening: Black Mustang Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 Nc6 { A04 Zukertort Opening: Black Mustang Defense } 2. d4 Nf6 3. c4 d6 4. Nc3 Bf5 5. h3 e6 6. Nh4 Be7 7. Nxf5 exf5 8. Bf4 O-O 9. e3 Re8?! { (0.57 → 1.13) Inaccuracy. d5 was best. } (9... d5 10. Rc1 Re8 11. Bd3 dxc4 12. Bxc4 Bd6 13. Bxd6 cxd6 14. O-O d5 15. Bd3 Qd7 16. a3) 10. Bd3 Qd7 11. O-O d5?! { (1.08 → 1.80) Inaccuracy. Nb4 was best. } (11... Nb4) 12. cxd5 Nxd5 13. Nxd5 Qxd5 14. a3?! { (1.65 → 0.90) Inaccuracy. Bxc7 was best. } (14. Bxc7 Rac8 15. Bg3 a6 16. Be2 Red8 17. Rc1 Bd6 18. Bc4 Qe4 19. Qb3 Qe7 20. Bxd6 Rxd6) 14... g5? { (0.90 → 2.42) Mistake. Bd6 was best. } (14... Bd6 15. Bxd6 cxd6 16. Rc1 Rec8 17. Bc4 Qe4 18. Qb3 Qe7 19. Bd5 Qd7 20. g3 g6 21. Kg2) 15. Bxc7 Kh8?! { (2.42 → 3.17) Inaccuracy. Rac8 was best. } (15... Rac8 16. Bg3) 16. Rc1 g4? { (2.90 → 4.75) Mistake. Rg8 was best. } (16... Rg8 17. Bg3 Qd7 18. Qf3 f4 19. exf4 Rad8 20. Rfe1 Qxd4 21. Be4 Bd6 22. fxg5 Bxg3 23. Qxg3) 17. hxg4 fxg4 18. Qxg4 Rg8 19. Qe4 Rxg2+? { (4.56 → 8.85) Mistake. Qxe4 was best. } (19... Qxe4 20. Bxe4 Rac8 21. Bf4 Bf6 22. Rc5 Rce8 23. Bd3 Ne7 24. Rfc1 Rc8 25. Rc7 Rgd8 26. Be4) 20. Kxg2 Rg8+ 21. Kf3?? { (8.77 → Mate in 2) Checkmate is now unavoidable. Bg3 was best. } (21. Bg3 Qxe4+ 22. Bxe4 Kg7 23. Bxc6 bxc6 24. Rxc6 Bd8 25. Kf3 h6 26. Rg1 Kh7 27. Rd6 Bg5) 21... Qh5+ 22. Kf4 Qg4# { Black wins by checkmate. } 0-1