1.Qg7-d7 ! threat: 2.Sd6-f5 + 2...Kd5-c4 3.Qd7*b5 # 2...Kd5-e4 3.Qd7-d4 # 1...Re3-e7 2.Qd7*e7 threat: 3.Qe7-e4 # 1...Re3-e6 2.Qd7*e6 + 2...Kd5-d4 3.Qe6-e4 # 1...Re3-e5 2.Qd7*b5 + 2...Kd5-d4 3.Qb5-c4 # 1...b5-b4 2.Sd6-b7 + 2...Kd5-c4 3.Sb7-a5 # 2...Kd5-e4 3.Sb7-c5 # 1...Kd5-e5 2.Sd6-e8 + 2...Ke5-e4 3.Se8-f6 #