Решение шахматной задачи №62719

1.b7-b8=S ! threat: 2.Sb8*a6 # 2.Sb8*c6 # 1...a5-a4 2.Sb8*c6 # 1...c5-c4 2.Sb8*a6 # 1...Sa6*c7 2.Sb8*c6 # 1...Sa6*b8 2.c7*b8=S threat: 3.Sb8-a6 # 3.Sb8*c6 # 2...a5-a4 3.Sb8*c6 # 2...c5-c4 3.Sb8-a6 # 2...Sc6-d4 3.Sb8-a6 # 2...Sc6-e5 3.Sb8-a6 # 2...Sc6-e7 3.Sb8-a6 # 2...Sc6-d8 3.Sb8-a6 # 2...Sc6*b8 3.a7*b8=S threat: 4.Sb8-a6 # 4.Sb8-c6 # 3...a5-a4 4.Sb8-c6 # 3...c5-c4 4.Sb8-a6 # 2...Sc6*a7 3.Sb8-a6 # 2.a7*b8=S threat: 3.Sb8-a6 # 3.Sb8*c6 # 2...a5-a4 3.Sb8*c6 # 2...c5-c4 3.Sb8-a6 # 2...Sc6-d4 3.Sb8-a6 # 2...Sc6-e5 3.Sb8-a6 # 2...Sc6-e7 3.Sb8-a6 # 2...Sc6-d8 3.Sb8-a6 # 2...Sc6*b8 3.c7*b8=S threat: 4.Sb8-a6 # 4.Sb8-c6 # 3...a5-a4 4.Sb8-c6 # 3...c5-c4 4.Sb8-a6 # 2...Sc6-a7 3.Sb8-a6 # 1...Sc6-d4 2.Sb8*a6 # 1...Sc6-e5 2.Sb8*a6 # 1...Sc6-e7 2.Sb8*a6 # 1...Sc6-d8 2.Sb8*a6 # 1...Sc6*b8 2.c7*b8=S threat: 3.Sb8*a6 # 3.Sb8-c6 # 2...a5-a4 3.Sb8-c6 # 2...c5-c4 3.Sb8*a6 # 2...Sa6-c7 3.Sb8-c6 # 2...Sa6*b8 3.a7*b8=S threat: 4.Sb8-a6 # 4.Sb8-c6 # 3...a5-a4 4.Sb8-c6 # 3...c5-c4 4.Sb8-a6 # 2.a7*b8=S threat: 3.Sb8*a6 # 3.Sb8-c6 # 2...a5-a4 3.Sb8-c6 # 2...c5-c4 3.Sb8*a6 # 2...Sa6*c7 3.Sb8-c6 # 2...Sa6*b8 3.c7*b8=S threat: 4.Sb8-a6 # 4.Sb8-c6 # 3...a5-a4 4.Sb8-c6 # 3...c5-c4 4.Sb8-a6 # 1...Sc6*a7 2.Sb8*a6 #