Решение шахматной задачи №74260

1.Ba8-h1 ! threat: 2.a7-a8=Q + 2...Ka1-b1 3.Qa8-f3 threat: 4.Qf3-d1 # 3.Qa8-e4 + 3...Kb1-c1 4.Qe4-e1 # 4.Qe4-c2 # 3...Kb1-a1 4.Qe4-e1 # 3.Qa8-c6 zugzwang. 3...Kb1-a1 4.Qc6-c1 # 3.Qa8-b7 + 3...Kb1-c1 4.Qb7-b2 # 3...Kb1-a1 4.Qb7-b2 # 3.Qa8-a2 + 3...Kb1-c1 4.Qa2-c2 # 4.Qa2-b2 # 3.Qa8-a4 threat: 4.Qa4-d1 # 3.Qa8-h8 threat: 4.Qh8-b2 # 3.Qa8-e8 threat: 4.Qe8-e1 # 3.Qa8-c8 zugzwang. 3...Kb1-a1 4.Qc8-c1 # 3.Qa8-b8 + 3...Kb1-c1 4.Qb8-b2 # 3...Kb1-a1 4.Qb8-b2 # 3.Rd2-h2 zugzwang. 3...Kb1-c1 4.Qa8-a1 # 3.Rd2-g2 zugzwang. 3...Kb1-c1 4.Qa8-a1 # 3.Rd2-f2 zugzwang. 3...Kb1-c1 4.Qa8-a1 # 3.Rd2-e2 zugzwang. 3...Kb1-c1 4.Qa8-a1 # 3.Kf1-e1 zugzwang. 3...Kb1-c1 4.Qa8-a1 # 3.Kf1-e2 zugzwang. 3...Kb1-c1 4.Qa8-a1 # 2.a7-a8=R + 2...Ka1-b1 3.Kf1-e2 zugzwang. 3...Kb1-c1 4.Ra8-a1 # 3.Ra8-c8 zugzwang. 3...Kb1-a1 4.Rc8-c1 # 3.Rd2-h2 zugzwang. 3...Kb1-c1 4.Ra8-a1 # 3.Rd2-g2 zugzwang. 3...Kb1-c1 4.Ra8-a1 # 3.Rd2-f2 zugzwang. 3...Kb1-c1 4.Ra8-a1 # 3.Rd2-e2 zugzwang. 3...Kb1-c1 4.Ra8-a1 # 3.Kf1-e1 zugzwang. 3...Kb1-c1 4.Ra8-a1 # 2.Rd2-h2 zugzwang. 2...Ka1-b1 3.a7-a8=Q zugzwang. 3...Kb1-c1 4.Qa8-a1 # 3.a7-a8=R zugzwang. 3...Kb1-c1 4.Ra8-a1 # 2.Rd2-g2 zugzwang. 2...Ka1-b1 3.a7-a8=Q zugzwang. 3...Kb1-c1 4.Qa8-a1 # 3.a7-a8=R zugzwang. 3...Kb1-c1 4.Ra8-a1 # 2.Rd2-f2 zugzwang. 2...Ka1-b1 3.a7-a8=Q zugzwang. 3...Kb1-c1 4.Qa8-a1 # 3.a7-a8=R zugzwang. 3...Kb1-c1 4.Ra8-a1 # 2.Rd2-e2 zugzwang. 2...Ka1-b1 3.a7-a8=Q zugzwang. 3...Kb1-c1 4.Qa8-a1 # 3.a7-a8=R zugzwang.