1.Bc1-a3 !! Sc4*e3 + 2.Kc2-c1 Se3-d1 3.Ba3-f8 Sd1-c3
4.Kc1-c2 zugzwang. Sc3-b1 5.Bf8-g7 + Sb1-c3 6.Bg7*c3 #
4...Sc3-d1 5.Bf8-g7 + Sd1-b2 6.Bg7*b2 # - mm
4...Sc3-e2 5.Bf8-g7 + Se2-d4 + 6.Bg7*d4 #
4...Sc3-d5 5.Bf8-g7 + Sd5-f6 6.Bg7*f6 #

3...Sd1-b2 4.Kc1-c2 zugzwang.
4...Sb2-d3 5.Bf8-g7 + Sd3-e5 6.Bg7*e5 #

1...Sc4*a3 + 2.Kc2-c1 Sa3-c4 3.Se3-c2 # - mm