Correct answer: O-O1...K:c1 2.O-O# 1...Q:b4/Q:a3/Qc4/Qd5/Qe6/Qf7/Qg8/B:c1/B:a3 2.Q:c2# 1.Kf1?? zz 1...K:c1 2.Qe1# 1...B:c1/B<