Mate in 2 · No. 23 · ~700 · Capture

Rook and knight

White to play and mate in two.

Position

White
king on a8, rook on b1, knight on e4, pawns on d4 and f3
Black
king on h4, rook on g2, bishop on h1, pawns on e5, e7, f6, h5 and h7