Решение шахматной задачи №78405
Мат в 4 хода |
1.d7-d8=R ! zugzwang.
1...Sa2-b4 +
2.Kc2-b3 threat:
3.Rd8-d1 #
2...Sb4-a2
3.Rd8-d1 +
3...Sa2-c1 +
4.Rd1*c1 #
2...Sb4-d3
3.Rd8*d3 threat:
4.Rd3-d1 #
2...Sb4-d5
3.Rd8*d5 threat:
4.Rd5-d1 #
1...Sa2-c1
2.Rd8-b8 threat:
3.Rb8-b4 zugzwang.
3...Ka1-a2
4.Rb4-a4 #
3...Sc1-e2
4.Rb4-a4 #
3...Sc1-d3
4.Rb4-a4 #
3...Sc1-b3
4.Rb4-a4 #
3...Sc1-a2
4.Rb4-b1 #
2...Sc1-b3
3.Rb8-a8 +
3...Sb3-a5
4.Ra8*a5 #
2.Kc2*c1 threat:
3.Rd8-a8 #
2...Ka1-a2
3.Rd8-d3 zugzwang.
3...Ka2-a1
4.Rd3-a3 #
1...Sa2-c3
2.Rd8-b8 zugzwang.
2...Sc3-a2
3.Rb8-b1 #
2...Ka1-a2
3.Rb8-a8 +
3...Sc3-a4
4.Ra8*a4 #
2...Sc3-b1
3.Rb8-a8 +
3...Sb1-a3 +
4.Ra8*a3 #
2...Sc3-d1
3.Rb8-a8 #
2...Sc3-e2
3.Rb8-a8 #
2...Sc3-e4
3.Rb8-a8 #
2...Sc3-d5
3.Rb8-a8 #
2...Sc3-b5
3.Rb8-a8 +
3...Sb5-a3 +
4.Ra8*a3 #
3...Sb5-a7
4.Ra8*a7 #
3.Rb8*b5 threat:
4.Rb5-a5 #
2...Sc3-a4
3.Rb8-a8 threat:
4.Ra8*a4 #
2.Kc2*c3 threat:
3.Kc3-b3 threat:
4.Rd8-d1 #
3.Kc3-c2 threat:
4.Rd8-a8 #
2...Ka1-b1
3.Rd8-a8 zugzwang.
3...Kb1-c1
4.Ra8-a1 #
2...Ka1-a2
3.Rd8-d1 zugzwang.
3...Ka2-a3
4.Rd1-a1 # |