Solution: 1. Ba7-b8! threat 2. Bb8xd6#
1. ... Bf7xc4+ 2. Rc2xc4#
1. ... Sf6-e8/xe4 2. Sf8-d7#
1. ... Rg5-d5+ 2. c4xd5#
Set Play:
1. ... Bf7 ad lib 2. Sf8(x)e6#
1. ... Bf7-d5, d6-d5, Rg5-d5+ 2. c4xd5#
1. ... Bf7xc4+ 2. Rc2xc4#
1. ... Sf6 ad lib 2. Sf8(x)d7#
1. ... Sf6-d5 2. Sf8-d7, c4xd5#
