Correct answer: Ng61...Be4 2.O-O#/Rf1# 1...B:b7 2.B:b7# 1...c3 2.O-O#/Rf1#/Qd3# 1.Qd5+?? 1...K:f4 2.O-O#/Nd3#/Ne2#/Rf1# but 1...B:d5! 1.Qd
