Решение шахматной задачи №72293
Мат в 4 хода |
1.Rb1-c1 ! zugzwang.
1...Kc5-b5
2.Sc4-b2 threat:
3.Ra8-b8 +
3...Kb5-a5
4.Sb4-c6 #
4.Rc1-a1 #
4.Rc1-c5 #
3.Sb4-a2 zugzwang.
3...Kb5-a5
4.Rc1-c5 #
3.Sb4-d3 threat:
4.Rc1-c5 #
3.Sb4-d5 zugzwang.
3...Kb5-a5
4.Rc1-c5 #
3.Sb4-a6 threat:
4.Rc1-c5 #
2...Kb5-a5
3.Sb4-d3 threat:
4.Rc1-c5 #
3.Sb4-c6 +
3...Ka5-b5
4.Ra8-b8 #
3.Sb4-a6 threat:
4.Rc1-c5 #
2...Kb5*b4
3.Ra8-b8 +
3...Kb4-a5
4.Rc1-c5 #
4.Rc1-a1 #
3...Kb4-a3
4.Rc1-a1 #
2.Sc4-d2 threat:
3.Ra8-b8 +
3...Kb5-a5
4.Rc1-a1 #
3...Kb5-a4
4.Rc1-a1 #
3.Sb4-c6 zugzwang.
3...Kb5-a4
4.Ka7-b6 #
2...Kb5-a5
3.Ra8-b8 threat:
4.Rc1-a1 #
2...Kb5*b4
3.Ra8-b8 +
3...Kb4-a4
4.Rc1-a1 #
3...Kb4-a5
4.Rc1-a1 #
3...Kb4-a3
4.Rc1-a1 #
2...Kb5-a4
3.Ka7-b6 +
3...Ka4*b4
4.Rc1-c4 #
2.Sc4-d6 +
2...Kb5-a5
3.Rc1-b1 threat:
4.Ka7-b7 #
2...Kb5*b4
3.Ra8-b8 +
3...Kb4-a4
4.Rc1-a1 #
3...Kb4-a5
4.Rc1-a1 #
3...Kb4-a3
4.Rc1-a1 #
2...Kb5-a4
3.Rc1-b1 threat:
4.Ka7-b7 #
4.Ka7-b8 #
4.Ka7-b6 #
3...Ka4-a5
4.Ka7-b7 #
1...Kc5-d4
2.Ka7-b6 zugzwang.
2...Kd4-e4
3.Ra8-f8 zugzwang.
3...Ke4-d4
4.Rf8-f4 #
1...Kc5*b4
2.Ka7-b6 zugzwang.
2...Kb4-b3
3.Kb6-a5 zugzwang.
3...Kb3-a2
4.Ka5-b4 #
2.Sc4-d2 threat:
3.Ra8-b8 +
3...Kb4-a4
4.Rc1-a1 #
3...Kb4-a5
4.Rc1-a1 #
3...Kb4-a3
4.Rc1-a1 #
2...Kb4-a3
3.Rc1-b1 threat:
4.Ka7-b7 #
4.Ka7-b8 #
4.Ka7-b6 # |