Correct answer: Rd31.Rd3! zz 1...Kf4 2.Ng6# 1...c:d3+ 2.N:d3# 1...f4 2.Rd5# 1...N:f2 2.Qd4# 1...Nf6 2.Qd6#/Qd4#/Qb8#/Qc7# 1...Ng3
