Correct answer: R:e61...K:e4 2.Qf3# 1...N:g2/Nh3/Nh5/Ne2 2.c4# 1.Nb6+?? 1...K:e4 2.Qf3# but 1...Kd6! 1.Rd7+?? 1...K:e4 2.Qf3# but 1..
