[Event "Opper to Move!: Jann to play 2016"] [Date "2018.11.22"] [Result "*"] [Variant "Crazyhouse"] [ECO "?"] [Opening "?"] [StudyName "Opper to Move!"] [ChapterName "Jann to play 2016"] [ChapterURL "https://lichess.org/study/bbt0D9tP/M5pJH6vh"] [Annotator "https://lichess.org/@/Seirawan-Student"] [FEN "r1bQ~1rk1/ppp2pp1/3p3p/2bNnN2/2B1P3/3P4/PPP2PPP/R2b1RK1/Qnq b - - 25 13"] [SetUp "1"] [UTCDate "2018.11.22"] [UTCTime "23:41:12"] [Orientation "black"] 13... Bxf5! { Jann found the move! the second knight black needs for a nnqp mate while also taking out a defender of h4, not to mention the mate threat of Nf3 followed by Qg7 or Qg8# } (13... Rxd8?? 14. Nf6+ Kf8 15. Q@g8#) 14. Nf6+ (14. Qh4 N@f3+ 15. Kh1 Nxh4) 14... gxf6 15. Qxf6 N@h3+ 16. gxh3 N@e2+ 17. Kh1 Q@g2+ 18. Kxg2 N@f4+ 19. Kh1 Bxe4+ 20. dxe4 P@g2# { IM opperwezen - LM JannLee, 0-1, -, https://lichess.org/a8ozlW2B } *