Correct answer: f41...Bg4/Bh3/Bg6/Bh7/Bd3/Bc2/Bb1 2.Rd7# 1...Be4 2.f:e4#/Rd7# 1...B:d4+ 2.Q:d4# 1...a3 2.Qb3# 1.R:f5?? (2.Rd7#) but
