Correct answer: Ke21...d:c4 2.d:e7# 1...a5 2.Nb5# 1...Q:b2+ 2.B:b2# 1...Ng1 2.Q:g1# 1...N:f4 2.R:f4#/Qg1# 1...Nf5/Ng6/Ng8 2.Qa7# 1...Bc2/Ba2
