a/ диаграмма

1.Фf8? zz
1. ...Kpe5  2.Фf4#      1. ...Kpd3!
1.Фh4?+
1. ...Kpe5  2.Фf4#
1. ...Kpf3   2.Cd5#
1. ...Kpd3   2.Фc4#      1. ...Kpf5!

1.Фg8! (2.Фd5#)
1. ...Kpe5(Kpf5)  2.Фe6#
1. ...Kpf3    2.Cd5#
1. ...Kpd3   2.Фc4#

b/ Kh3 ------ h5

1.Фg8?  (2.Фd5#)
1. ...Kpe5(c)  2.Фe6(G)?d5#
1. ...Kpf3(a)   2.Cd5(A)#
1. ...Kpd3(b)  2.Фc4(B)#       1. ... Kpf5!

1. ...Фf8?  zz
1. ...Kpe5(c)   2.Фf4#(C)       1. ...Kpd3(b)!
1.Фd4?+
1. ...Kpf3(a)   2.Фa8(F)           1. ...Kpd3(b)!
1.Ce6?  zz
1. ...Kpf3(a)   2.Фa8(F)#         1. ...Kpd3(b)!

1.Фc8!  zz
1. ...Kpe5(c)   2.Фe6(G)#
1. ...Kpf3(a)   2.Cd5(A)#
1. ...Kpd3(b)   2.Фc4(B)#

c/ Kh3-g7

1.Фh4+
1. ...Kpe5    2.Фd4#
1. ...Kpf3     2.Cd5#
1. ...Kpd3    2.Фc4#.