Correct answer: N:f41...b:c4 2.R:c4# 1...f:e4 2.R:e4# 1.Ne7?? (2.N:f5#) but 1...d:e6! 1.Nc3?? (2.N:b5#) but 1...d:c6! 1.Nc7?? (2.N:b5#) but 1...d:c6! 1.c:b5?? (2.R