Correct answer: 1. Rd31.Rd3! (2.Nc3#/c3#/c4#/Bc3#/Bb4#/Ba5#) 1...b1Q+/b1R+/b1B+ 2.Bc3# 1...b1N+ 2.c3# 1...g:h2/g2 2.Nc3#
