[Event "Ulvestad Arena"] [Site "https://lichess.org/9WbxEplk"] [Date "2017.03.10"] [White "khoirul_umam"] [Black "Erwin_perantau"] [Result "0-1"] [UTCDate "2017.03.10"] [UTCTime "14:26:40"] [WhiteElo "2199"] [BlackElo "2100"] [WhiteRatingDiff "-15"] [BlackRatingDiff "+15"] [Variant "Standard"] [TimeControl "180+0"] [ECO "B00"] [Opening "Pirc Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 d6 2. d4 Nf6 { B00 Pirc Defense } 3. Bd3 e5 4. d5 c6 5. c4 Nbd7 6. Nc3 Be7 7. Nf3 O-O 8. O-O Nc5 9. Bc2 cxd5 10. exd5 Qc7 11. Bg5 a5 12. Nb5 Qb6 13. a3 a4 14. Be3 e4 15. Ng5 Ng4?! { (0.29 → 1.03) Inaccuracy. Bd7 was best. } (15... Bd7 16. Nc3 Ng4 17. Bxc5 Qxc5 18. Ngxe4 Qxc4 19. h3 Nf6 20. Re1 Rfe8 21. Rc1 g6 22. Qf3) 16. Bxc5 Qxc5 17. Nxe4 Qxc4 18. Nbxd6?? { (0.91 → -1.07) Blunder. Bd3 was best. } (18. Bd3 Qb3 19. Qxb3 axb3 20. Rac1 Nf6 21. Nbxd6 Nxd5 22. Bc4 Be6 23. Bxb3 Nf4 24. Bxe6 Ne2+) 18... Bxd6 19. Nxd6? { (-1.12 → -2.44) Mistake. h3 was best. } (19. h3) 19... Qf4 20. Nxc8?? { (-2.46 → Mate in 1) Checkmate is now unavoidable. Bxh7+ was best. } (20. Bxh7+ Kxh7 21. Qd3+ Kg8 22. Qg3 Qxg3 23. hxg3 Rd8 24. Nb5 Nf6 25. Rad1 Ra5 26. Nc3 Nxd5) 20... Qxh2# { Black wins by checkmate. } 0-1