1.Be5-f6 ! threat: 2.Re3-e5 + 2...Sf7*e5 3.Qa6-d6 # 1...Ba4*b3 2.Sc4-a5 threat: 3.Qa6-c6 # 2...Sf7-e5 3.Re3*e5 # 2...Sf7-d8 3.Re3-e5 # 1...Ba4-c6 2.Sc4-b6 + 2...Kd5-d6 3.b7-b8=Q # 3.b7-b8=B # 1...d4*e3 2.Sc4*e3 + 2...f4*e3 3.c2-c4 # 1...f4*e3 2.Sc4*e3 + 2...d4*e3 3.c2-c4 # 1...f5*g4 2.Sf2-d3 threat: 3.Sd3*f4 # 2...Sf8-e6 3.Qa6*e6 # 2...Sf8-g6 3.Qa6-e6 # 1...Bh8*f6 2.Qa6*f6 threat: 3.Sc4-b6 # 2...Sf7-d6 3.Qf6*d6 # 2...Sf8-d7 3.Qf6-e6 # 2...Sf8-e6 3.Qf6*e6 #