Correct answer: Rd51...Re3 2.d:e3#/Ng2# 1...R2:e4/Rg2 2.Ng2# 1...Re5/R6:e4/Re7/Re8/Rg6 2.Ng6# 1...Nd7/Nc:e4/Nb3/Nb7/Na4/Na6 2
