Решение шахматной задачи №76769

1.Rg8-e8 ! threat: 2.f7-f8=Q threat: 3.Qf8-e7 threat: 4.Qe7*a7 # 4.Qe7-b7 # 3...Ba7-g1 4.Qe7-b7 # 3...Ba7-f2 4.Qe7-b7 # 3...Ba7-e3 4.Qe7-b7 # 3...Ba7-d4 4.Qe7-b7 # 3...Ba7-c5 4.Qe7-b7 # 3...Ba7-b6 4.Qe7-b7 # 3.Qf8-g7 threat: 4.Qg7*a7 # 4.Qg7-b7 # 3...Ba7-g1 4.Qg7-b7 # 3...Ba7-f2 4.Qg7-b7 # 3...Ba7-e3 4.Qg7-b7 # 3...Ba7-d4 4.Qg7-b7 # 3...Ba7-c5 4.Qg7-b7 # 3...Ba7-b6 4.Qg7-b7 # 3.Qf8-f3 + 3...d6-d5 4.Qf3*d5 # 3.Qf8-f7 threat: 4.Qf7-d5 # 4.Qf7*a7 # 4.Qf7-b7 # 3...Ba7-g1 4.Qf7-d5 # 4.Qf7-b7 # 3...Ba7-f2 4.Qf7-d5 # 4.Qf7-b7 # 3...Ba7-e3 4.Qf7-d5 # 4.Qf7-b7 # 3...Ba7-d4 4.Qf7-d5 # 4.Qf7-b7 # 3...Ba7-c5 4.Qf7-d5 # 4.Qf7-b7 # 3...Ba7-b6 4.Qf7-d5 # 4.Qf7-b7 # 3...Rb8*e8 4.Qf7*a7 # 4.Qf7-b7 # 3...Rb8-d8 4.Qf7*a7 # 4.Qf7-b7 # 3...Rb8-c8 4.Qf7*a7 # 4.Qf7-b7 # 2...d6-d5 3.Qf8-e7 threat: 4.Qe7*a7 # 4.Qe7-b7 # 3...Ba7-g1 4.Qe7-b7 # 3...Ba7-f2 4.Qe7-b7 # 3...Ba7-e3 4.Qe7-b7 # 3...Ba7-d4 4.Qe7-b7 # 3...Ba7-c5 4.Qe7-b7 # 3...Ba7-b6 4.Qe7-b7 # 3.Qf8-g7 threat: 4.Qg7*a7 # 4.Qg7-b7 # 3...Ba7-g1 4.Qg7-b7 # 3...Ba7-f2 4.Qg7-b7 # 3...Ba7-e3 4.Qg7-b7 # 3...Ba7-d4 4.Qg7-b7 # 3...Ba7-c5 4.Qg7-b7 # 3...Ba7-b6 4.Qg7-b7 # 3.Qf8-f7 threat: 4.Qf7*d5 # 4.Qf7*a7 # 4.Qf7-b7 # 3...Ba7-g1 4.Qf7*d5 # 4.Qf7-b7 # 3...Ba7-f2