Решение шахматной задачи №92020

1.Rg5-g7 ! threat: 2.Bh1*e4 zugzwang. 2...Se7-c6 3.Sf8-e6 # 2...Se7-d5 3.Sf8-e6 # 2...Se7-f5 3.Sf8-e6 # 2...Se7-g6 3.Sf8-e6 # 2...Se7-g8 3.Sf8-e6 # 2...Se7-c8 3.Sf8-e6 # 1...Be4-b1 2.Ra1*b1 zugzwang. 2...Se7-c6 3.Sf8-e6 # 2...Se7-d5 3.Sf8-e6 # 3.Rb1-b8 # 2...Se7-f5 3.Rb1-b8 # 3.Sf8-e6 # 2...Se7-g6 3.Sf8-e6 # 3.Rb1-b8 # 2...Se7-g8 3.Rb1-b8 # 3.Sf8-e6 # 2...Se7-c8 3.Sf8-e6 # 1...Be4-c2 2.Kd2*c2 zugzwang. 2...Se7-c6 3.Sf8-e6 # 2...Se7-d5 3.Sf8-e6 # 2...Se7-f5 3.Sf8-e6 # 2...Se7-g6 3.Sf8-e6 # 2...Se7-g8 3.Sf8-e6 # 2...Se7-c8 3.Sf8-e6 # 1...Be4-d3 2.Kd2*d3 zugzwang. 2...Se7-c6 3.Sf8-e6 # 2...Se7-d5 3.Sf8-e6 # 2...Se7-f5 3.Sf8-e6 # 2...Se7-g6 3.Sf8-e6 # 2...Se7-g8 3.Sf8-e6 # 2...Se7-c8 3.Sf8-e6 # 1...Be4*h1 2.Ra1*h1 zugzwang. 2...Se7-c6 3.Sf8-e6 # 2...Se7-d5 3.Sf8-e6 # 2...Se7-f5 3.Sf8-e6 # 2...Se7-g6 3.Sf8-e6 # 2...Se7-g8 3.Sf8-e6 # 2...Se7-c8 3.Sf8-e6 # 1...Be4-g2 2.Bh1*g2 zugzwang. 2...Se7-c6 3.Sf8-e6 # 2...Se7-d5 3.Sf8-e6 # 2...Se7-f5 3.Sf8-e6 # 2...Se7-g6 3.Sf8-e6 # 2...Se7-g8 3.Sf8-e6 # 2...Se7-c8 3.Sf8-e6 # 1...Be4-f3 2.Bh1*f3 zugzwang. 2...Se7-c6 3.Sf8-e6 # 2...Se7-d5 3.Sf8-e6 # 2...Se7-f5 3.Sf8-e6 # 2...Se7-g6 3.Sf8-e6 # 2...Se7-g8 3.Sf8-e6 # 2...Se7-c8 3.Sf8-e6 # 1...Be4-h7 2.Rg7*h7 zugzwang. 2...Se7-c6 3.Sf8-e6 # 2...Se7-d5 3.Sf8-e6 # 2...Se7-f5 3.Sf8-e6 # 2...Se7-g6 3.Sf8-e6 # 2...Se7-g8 3.Sf8-e6 # 2...Se7-c8 3.Sf8-e6 # 1...Be4-g6 2.h5*g6 zugzwang. 2...Se7-c6 3.Sf8-e6 # 2...Se7-d5 3.Sf8-e6 # 2...Se7-f5 3.Sf8-e6 # 2...Se7*g6 3.Sf8-e6 # 2...Se7-g8 3.Sf8-e6 # 2...Se7-c8 3.Sf8-e6 # 1...Be4-f5 2.g4*f5 zugzwang. 2...Se7-c6 3.Sf8-e6 # 2...Se7-d5 3.Sf8-e6 #