[Event "FM USTB simul"] [Site "https://lichess.org/ahd2Pyb5"] [Date "2021.07.06"] [White "pezoftherez"] [Black "UST_B"] [Result "0-1"] [UTCDate "2021.07.06"] [UTCTime "00:31:54"] [WhiteElo "1500"] [BlackElo "2384"] [BlackTitle "FM"] [Variant "Standard"] [TimeControl "1200+10"] [ECO "A04"] [Opening "Zukertort Opening: Dutch Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 f5 { A04 Zukertort Opening: Dutch Variation } 2. c4 Nf6 3. b3 g6 4. Bb2 Bg7 5. Na3?! { (0.54 → -0.17) Inaccuracy. g3 was best. } (5. g3 b6 6. Bg2 Bb7 7. Nc3 O-O 8. O-O e6 9. d4 Qe7) 5... O-O 6. Nc2 d6 7. g3 e5 8. d3 Nc6 9. Bg2 h6 10. Ne3 g5 11. h4?? { (-0.68 → -2.67) Blunder. Nd5 was best. } (11. Nd5 Be6) 11... g4 12. Nd2 f4 13. Nd5 Nh5?! { (-2.86 → -1.65) Inaccuracy. fxg3 was best. } (13... fxg3 14. fxg3 Nh5 15. Ne4 Nd4 16. Bxd4 exd4 17. Nf4 Nxf4 18. gxf4 Rxf4 19. Qd2 Rf8 20. O-O-O) 14. Ne4?! { (-1.65 → -2.27) Inaccuracy. gxf4 was best. } (14. gxf4) 14... Ne7 15. Nxe7+ Qxe7 16. O-O Bf5 17. Qe1 c6 18. Ba3 c5?? { (-2.85 → -0.79) Blunder. Rad8 was best. } (18... Rad8 19. Kh2) 19. b4 b6 20. Nxd6?? { (-1.38 → -4.85) Blunder. Nc3 was best. } (20. Nc3 Rae8) 20... Qxd6 21. Bxa8 Rxa8 22. bxc5 bxc5 23. Kh2?! { (-4.61 → -7.62) Inaccuracy. Rb1 was best. } (23. Rb1 Rc8 24. Rb3 Be6 25. Rb7 e4 26. Rxg7+ Nxg7 27. Bb2 Nf5 28. dxe4 Nd4 29. gxf4 Qxf4) 23... e4 24. dxe4 fxg3+ 25. fxg3 Be5 26. Qd1 Bxg3+ 27. Kg1?! { (-17.83 → Mate in 9) Checkmate is now unavoidable. Kg2 was best. } (27. Kg2 Bxe4+) 27... Bxe4?? { (Mate in 9 → -4.78) Lost forced checkmate sequence. Bh2+ was best. } (27... Bh2+ 28. Kh1 Bxe4+ 29. Rf3 Qg3 30. Qd6 Qxd6 31. Bxc5 Qg3 32. Bd6 Qh3 33. Bxh2 g3 34. Kg1) 28. Qxd6 Bxd6 29. Rad1 Be5 30. Bxc5 Nf4 31. e3?? { (-4.68 → Mate in 1) Checkmate is now unavoidable. Kf2 was best. } (31. Kf2) 31... Nh3# { Black wins by checkmate. } 0-1