Mate in 3 · No. 1 · ~2400 · Quiet

Rook, bishop and two knights

White to play and mate in three.

Position

White
king on a4, rook on d4, bishop on a1, knights on b4 and e3, pawns on c4, d3, f2, f3 and g4
Black
king on h4, rooks on e5 and g2, bishop on g1, knight on e1, pawns on e7, f5, g3, g5 and h3