Решение шахматной задачи №77171
Мат в 4 хода |
1.Sh2-f1 ! zugzwang.
1...Kd4-e5
2.Rh3-h5 +
2...Ke5-f4
3.Rb6-b2 threat:
4.Rb2-f2 #
3...Kf4-f3
4.Rh5-f5 #
2...Ke5-d4
3.Rh5-d5 +
3...Kd4-c4
4.Rb6-c6 #
3...Kd4-c3
4.Rb6-c6 #
1...Kd4-c4
2.Sf6-d7 threat:
3.Sf1-d2 +
3...Kc4-d4
4.Rb6-d6 #
3...Kc4-d5
4.Rh3-d3 #
2.Sf1-d2 +
2...Kc4-c5
3.Sf6-d7 +
3...Kc5-d5
4.Rh3-d3 #
3...Kc5-d4
4.Rb6-d6 #
2...Kc4-d4
3.Sf6-d7 threat:
4.Rb6-d6 #
3...Kd4-d5
4.Rh3-d3 #
1...Kd4-c5
2.Sf6-d7 +
2...Kc5-d5
3.Rh3-h4 threat:
4.Sf1-e3 #
3.Sf1-d2 threat:
4.Rh3-d3 #
3...Kd5-d4
4.Rb6-d6 #
2...Kc5-c4
3.Sf1-d2 +
3...Kc4-d4
4.Rb6-d6 #
3...Kc4-d5
4.Rh3-d3 #
2...Kc5-d4
3.Sf1-d2 threat:
4.Rb6-d6 #
3...Kd4-d5
4.Rh3-d3 #
1...a6-a5
2.Rb6-b5 threat:
3.Rb5-d5 +
3...Kd4-c4
4.Sf1-d2 #
3.Sf1-d2 threat:
4.Rb5-d5 #
2...Kd4-c4
3.Rb5-d5 threat:
4.Sf1-d2 #
2...a5-a4
3.Rb5-d5 +
3...Kd4-c4
4.Sf1-d2 #
3.Ka3-b4 threat:
4.Rb5-d5 # |