Correct answer: Ng51...Kc5 2.N:c8#/Nd7#/Na4#/Na8# 1...Bg3 2.f:g3# 1...Bg5/Bh6 2.f4# 1...Be5/Bd6 2.f3#/f4# 1...Nc5 2.Qa1# 1.Nd8?? (2.Ne6#)
