Решение шахматной задачи №92021

1.Be2-b5 ! zugzwang. 1...Sc5-b3 2.Rb4*b3 zugzwang. 2...Se5-c4 3.Se7-c6 # 2...Se5-d3 3.Se7-c6 # 2...Se5-f3 3.Se7-c6 # 2...Se5-g4 3.Se7-c6 # 2...Se5-g6 3.Se7-c6 # 2...Se5-f7 3.Se7-c6 # 2...Se5-d7 3.Se7-c6 # 2...Se5-c6 + 3.Se7*c6 # 1...Sc5-a4 2.Bb5*a4 zugzwang. 2...Se5-c4 3.Se7-c6 # 2...Se5-d3 3.Se7-c6 # 2...Se5-f3 3.Se7-c6 # 2...Se5-g4 3.Se7-c6 # 2...Se5-g6 3.Se7-c6 # 2...Se5-f7 3.Se7-c6 # 2...Se5-d7 3.Se7-c6 # 2...Se5-c6 + 3.Se7*c6 # 1...Sc5-d3 2.Bb5*d3 zugzwang. 2...Se5-c4 3.Se7-c6 # 2...Se5*d3 3.Se7-c6 # 2...Se5-f3 3.Se7-c6 # 2...Se5-g4 3.Se7-c6 # 2...Se5-g6 3.Se7-c6 # 2...Se5-f7 3.Se7-c6 # 2...Se5-d7 3.Se7-c6 # 2...Se5-c6 + 3.Se7*c6 # 1...Sc5-e4 2.Sg5*e4 zugzwang. 2...Se5-c4 3.Se7-c6 # 2...Se5-d3 3.Se7-c6 # 2...Se5-f3 3.Se7-c6 # 2...Se5-g4 3.Se7-c6 # 2...Se5-g6 3.Se7-c6 # 2...Se5-f7 3.Se7-c6 # 2...Se5-d7 3.Se7-c6 # 2...Se5-c6 + 3.Se7*c6 # 1...Sc5-e6 2.Sg5*e6 zugzwang. 2...Se5-c4 3.Se7-c6 # 2...Se5-d3 3.Se7-c6 # 2...Se5-f3 3.Se7-c6 # 2...Se5-g4 3.Se7-c6 # 2...Se5-g6 3.Se7-c6 # 2...Se5-f7 3.Se7-c6 # 2...Se5-d7 3.Se7-c6 # 2...Se5-c6 + 3.Se7*c6 # 1...Sc5-d7 2.Bb5*d7 threat: 3.Rb4-a4 # 2...Se5*d7 3.Se7-c6 # 2...Se5-c6 + 3.Se7*c6 # 1...Sc5-b7 2.Ka7*b7 zugzwang. 2...Se5-c6 3.Se7*c6 # 2...Se5-c4 3.Se7-c6 # 2...Se5-d3 3.Se7-c6 # 2...Se5-f3 3.Se7-c6 # 2...Se5-g4 3.Se7-c6 # 2...Se5-g6 3.Se7-c6 # 2...Se5-f7 3.Se7-c6 # 2...Se5-d7 3.Se7-c6 # 1...Sc5-a6 2.Bb5*a6 zugzwang. 2...Se5-c4 3.Se7-c6 # 2...Se5-d3 3.Se7-c6 # 2...Se5-f3 3.Se7-c6 # 2...Se5-g4 3.Se7-c6 # 2...Se5-g6 3.Se7-c6 # 2...Se5-f7 3.Se7-c6 # 2...Se5-d7 3.Se7-c6 # 2...Se5-c6 + 3.Se7*c6 # 1...Se5-c4 2.Se7-c6 #