Correct answer: b41...d5 2.Re6# 1...b5 2.Ra6# 1...Nf4/Ng1/Ng3/Nd4/Nec1 2.Nd4# 1...Nb4/Nac1 2.N:b4# 1.d4?? (2.d5#) 1...b5 2.Ra6# 1...Nb4 2.