Originally posted by cludiRxd3, cxd3, Bb3+, Kh8, Nxf6, Rxf6, Qxf6#
[fen]2br1rk1/1pqnQ2p/p4pp1/4p3/P1p1P1N1/2Pn1N1P/2B2PP1/1R1R1K2 w - -[/fen]
White to move
Edit: black could opt to continue plya by moving the knight and dropping the queen but that will lose eventually too.
Edit2: I just realized the line above doesn't work because the knight covers f6