Решение шахматной задачи №74284

1.Kf1-e2 ! zugzwang. 1...f2-f1=Q + 2.Ke2*f1 threat: 3.Rg3-h3 threat: 4.Rg2*g1 # 3...Bg1-a7 4.Rh3*h2 # 4.Rg2*h2 # 3...Bg1-b6 4.Rh3*h2 # 4.Rg2*h2 # 3...Bg1-c5 4.Rh3*h2 # 4.Rg2*h2 # 3...Bg1-d4 4.Rh3*h2 # 4.Rg2*h2 # 3...Bg1-e3 4.Rh3*h2 # 4.Rg2*h2 # 3...Bg1-f2 4.Rh3*h2 # 4.Rg2*h2 # 1...f2-f1=S 2.Ke2*f1 threat: 3.Rg3-h3 threat: 4.Rg2*g1 # 3...Bg1-a7 4.Rh3*h2 # 4.Rg2*h2 # 3...Bg1-b6 4.Rh3*h2 # 4.Rg2*h2 # 3...Bg1-c5 4.Rh3*h2 # 4.Rg2*h2 # 3...Bg1-d4 4.Rh3*h2 # 4.Rg2*h2 # 3...Bg1-e3 4.Rh3*h2 # 4.Rg2*h2 # 3...Bg1-f2 4.Rh3*h2 # 4.Rg2*h2 # 1...f2-f1=R 2.Ke2*f1 threat: 3.Rg3-h3 threat: 4.Rg2*g1 # 3...Bg1-a7 4.Rh3*h2 # 4.Rg2*h2 # 3...Bg1-b6 4.Rh3*h2 # 4.Rg2*h2 # 3...Bg1-c5 4.Rh3*h2 # 4.Rg2*h2 # 3...Bg1-d4 4.Rh3*h2 # 4.Rg2*h2 # 3...Bg1-e3 4.Rh3*h2 # 4.Rg2*h2 # 3...Bg1-f2 4.Rh3*h2 # 4.Rg2*h2 # 1...f2-f1=B + 2.Ke2*f1 threat: 3.Rg3-h3 threat: 4.Rg2*g1 # 3...Bg1-a7 4.Rh3*h2 # 4.Rg2*h2 # 3...Bg1-b6 4.Rh3*h2 # 4.Rg2*h2 # 3...Bg1-c5 4.Rh3*h2 # 4.Rg2*h2 # 3...Bg1-d4 4.Rh3*h2 # 4.Rg2*h2 # 3...Bg1-e3 4.Rh3*h2 # 4.Rg2*h2 # 3...Bg1-f2 4.Rh3*h2 # 4.Rg2*h2 #