1. Qa1 and Black must succumb:

1. … Qxa1+ 2. c3#
1. … Qa2 2. Qxc1#
1. … Qb2+ 2. Bc3#
1. … Qxb3 2. Qxc1#
1. … Qxc2 2. Qxc1#
1. … Bb2+ 2. c3#
1. … Ba3 2. c3#
1. … Bxd2 2. Qxb1#

From Good Companions, March 1920.