Correct answer: Be71...g4 2.Rf4# 1...Ng3/Nh2/Ne3/Nd2 2.Rd2# 1.Ba3?? (2.Bb2#) but 1...Kc3! 1.R:f1?? (2.Rd1#) but 1...Bh7! 1.Rf3?? (2.c3#/
