Correct answer: Bg2+1...Qg2/Qg3/Qg4/Qg5/Qg6/Qg7/Qg8/Qf1/Qe1/Qd1/Qc1/Qa1/Qh1/Qh2 2.Q:b6#/R:b6# 1...Qb1 2.Q:b6# 1...R