[Event "GM KhachiyanM simul"] [Site "https://lichess.org/spIGyG1y"] [Date "2021.04.29"] [White "KhachiyanM"] [Black "heidihu123"] [Result "1-0"] [UTCDate "2021.04.29"] [UTCTime "00:12:03"] [WhiteElo "1500"] [BlackElo "1677"] [WhiteTitle "GM"] [Variant "Standard"] [TimeControl "1200+10"] [ECO "B07"] [Opening "Pirc Defense: Byrne Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 { B07 Pirc Defense: Byrne Variation } Bg7 5. e5 Nfd7 6. f4 O-O 7. Nf3 Re8? { (-0.24 → 1.23) Mistake. Nb6 was best. } (7... Nb6 8. Bh4 Nc6 9. d5 Na5 10. Qe2 c6 11. exd6 Qxd6 12. Bxe7) 8. Bc4 Nc6?! { (1.32 → 2.51) Inaccuracy. c5 was best. } (8... c5 9. e6) 9. Qe2? { (2.51 → 1.07) Mistake. e6 was best. } (9. e6 fxe6 10. Bxe6+ Kh8 11. d5 Na5 12. Qe2 Nf6 13. f5 Bxe6 14. dxe6 gxf5 15. Nh4 Ne4) 9... Nb6 10. Bb3?! { (1.12 → 0.45) Inaccuracy. O-O-O was best. } (10. O-O-O Nxc4) 10... Kh8?? { (0.45 → 2.42) Blunder. Na5 was best. } (10... Na5) 11. Bxf7 Rf8 12. e6 Nxd4?? { (2.65 → 5.55) Blunder. Rxf7 was best. } (12... Rxf7) 13. Nxd4 Bxd4 14. O-O-O c5?! { (4.99 → 8.79) Inaccuracy. Bg7 was best. } (14... Bg7 15. h4) 15. h4 a5 16. h5 gxh5?! { (11.11 → Mate in 6) Checkmate is now unavoidable. Bxe6 was best. } (16... Bxe6 17. Bxe6) 17. Qxh5 Be3+ 18. Kb1 Rxf7 19. exf7 Bf5 20. Bf6+ exf6 21. Qxf5 h6 22. Rxh6+ Kg7 23. Qg6+ Kf8 24. Rh8+ Ke7 25. Rxd8?! { (Mate in 8 → 15.44) Lost forced checkmate sequence. f8=B+ was best. } { Black resigns. } (25. f8=B+ Qxf8 26. Qe4+ Kd7 27. Rh7+ Kd8 28. Qxb7 Ke8 29. Qc6+ Kd8 30. Qxb6+ Ke8 31. Qb5+ Kd8) 1-0