Решение шахматной задачи №71319
Мат в 4 хода |
1.Rc1-c6 ! zugzwang.
1...Ba7-c5
2.Rc6-a6 +
2...Bc5-a7
3.Ka5-b4 zugzwang.
3...b7-b5
4.Be8-c6 #
3...b7-b6
4.Be8-c6 #
3...b7*a6
4.Be8-c6 #
2...b7*a6
3.Ka5*a6 threat:
4.Be8-c6 #
1...Ba7-g1
2.Rc6-a6 +
2...Bg1-a7
3.Ka5-b4 zugzwang.
3...b7-b5
4.Be8-c6 #
3...b7-b6
4.Be8-c6 #
3...b7*a6
4.Be8-c6 #
2...b7*a6
3.Ka5*a6 threat:
4.Be8-c6 #
1...Ba7-f2
2.Rc6-a6 +
2...Bf2-a7
3.Ka5-b4 zugzwang.
3...b7-b5
4.Be8-c6 #
3...b7-b6
4.Be8-c6 #
3...b7*a6
4.Be8-c6 #
2...b7*a6
3.Ka5*a6 threat:
4.Be8-c6 #
1...Ba7-e3
2.Rc6-a6 +
2...Be3-a7
3.Ka5-b4 zugzwang.
3...b7-b5
4.Be8-c6 #
3...b7-b6
4.Be8-c6 #
3...b7*a6
4.Be8-c6 #
2...b7*a6
3.Ka5*a6 threat:
4.Be8-c6 #
1...Ba7-d4
2.Rc6-a6 +
2...Bd4-a7
3.Ka5-b4 zugzwang.
3...b7-b5
4.Be8-c6 #
3...b7-b6
4.Be8-c6 #
3...b7*a6
4.Be8-c6 #
2...b7*a6
3.Ka5*a6 threat:
4.Be8-c6 #
1...Ba7-b6 +
2.Ka5*b6 zugzwang.
2...b7*c6
3.Be8*c6 #
1...Ba7-b8
2.Rc6-a6 +
2...b7*a6
3.Be8-c6 +
3...Ka8-a7
4.Bc7-b6 #
2...Bb8-a7
3.Ka5-b4 zugzwang.
3...b7-b5
4.Be8-c6 #
3...b7-b6
4.Be8-c6 #
3...b7*a6
4.Be8-c6 #
1...b7-b5
2.Rc6-b6 threat:
3.Be8-c6 #
2...Ba7*b6 +
3.Ka5*b6 threat:
4.Be8-c6 #
2...Ba7-b8
3.Be8-c6 +
3...Ka8-a7
4.Bc7*b8 #
4.Rb6-a6 #
3.Bc7*b8 threat:
4.Be8-c6 #
3.Ka5-a6 threat:
4.Be8-c6 #
4.Rb6*b8 #
3...Bb8-a7
4.Be8-c6 #
3...Bb8*c7
4.Be8-c6 #
2.Ka5-a6 threat:
3.Rc6-c1 threat:
4.Be8-c6 #
3.Rc6-c2 threat:
4.Be8-c6 #
3.Rc6-c3 threat:
4.Be8-c6 #
3.Rc6-c4 threat:
4.Be8-c6 #
3.Rc6-c5 threat:
4.Be8-c6 #
3.Rc6-b6 threat:
4.Be8-c6 |