White to move and mate in 2.
Attribution: Vladimir Nabokov
1.Qh5
seems to cover everything:
1. .. b6 2. Ra7#
1. .. e6 or e5 2.Qxf7#
1. .. Bxd5+ 2.Qxd5#
1. .. Bg6 or xh5 2.Nb6#
1. .. Be6,e8 or g8 2.Q(x)e8#
King to b4. Then either Queen to D5 or Knight to B6, depending on whether black takes the knight.