Correct answer: Nc11. ... Nb ~ 2.N(:)c3 [A] # 1.Nc1! zugzwang 1. ... Nc3 2.K:c3 [Б] # 1. ... Nd2 2.K:d2 [C] # 1. ... Nf ~ 2.K(:)d3 # 1. ... a2 2.K:b2# 1. ... b:
