Решение шахматной задачи №73774
Мат в 4 хода |
1.Qa1-a4 ! zugzwang.
1...Ra8-c8
2.Qa4-b3 +
2...Rc8-c4
3.Qb3*c4 +
3...Kg8-h8
4.Qc4-c8 #
3...Kg8-f8
4.Qc4-f7 #
3.Qb3-b8 +
3...Rc4-c8
4.Qb8*c8 #
2...Kg8-h8
3.Qb3-h3 +
3...Kh8-g8
4.Qh3*c8 #
2...Kg8-f8
3.Qb3-f7 #
1...Ra8-f8
2.Qa4-b3 +
2...Rf8-f7
3.Qb3*f7 +
3...Kg8-h8
4.Qf7-e8 #
4.Qf7-f8 #
2...Kg8-h8
3.Qb3-h3 +
3...Kh8-g8
4.Qh3-h7 #
2.Qa4-a2 +
2...Rf8-f7
3.Qa2*f7 +
3...Kg8-h8
4.Qf7-e8 #
4.Qf7-f8 #
2...Kg8-h8
3.Qa2-h2 +
3...Kh8-g8
4.Qh2-h7 #
2.Qa4-c4 +
2...Rf8-f7
3.Qc4*f7 +
3...Kg8-h8
4.Qf7-e8 #
4.Qf7-f8 #
2...Kg8-h8
3.Qc4-h4 +
3...Kh8-g8
4.Qh4-h7 #
1...Ra8-e8
2.Qa4*e8 #
1...Ra8-d8
2.Qa4-c4 +
2...Rd8-d5
3.Qc4*d5 +
3...Kg8-h8
4.Qd5-a8 #
4.Qd5-d8 #
3...Kg8-f8
4.Qd5-d8 #
4.Qd5-f7 #
3.Qc4-c8 +
3...Rd5-d8
4.Qc8*d8 #
2...Kg8-h8
3.Qc4-h4 +
3...Kh8-g8
4.Qh4*d8 #
2...Kg8-f8
3.Qc4-f7 #
1...Ra8-b8
2.Qa4-a2 +
2...Rb8-b3
3.Qa2*b3 +
3...Kg8-h8
4.Qb3-b8 #
3...Kg8-f8
4.Qb3-f7 #
2...Kg8-h8
3.Qa2-h2 +
3...Kh8-g8
4.Qh2*b8 #
2...Kg8-f8
3.Qa2-f7 #
1...Kg8-h8
2.Ka6-b7 threat:
3.Kb7*a8 threat:
4.Qa4-e8 #
2...Ra8-f8
3.Qa4-h4 +
3...Kh8-g8
4.Qh4-h7 #
2...Ra8-d8
3.Qa4-h4 +
3...Kh8-g8
4.Qh4*d8 #
2...Ra8-c8
3.Kb7*c8 threat:
4.Qa4-e8 #
2...Ra8-b8 +
3.Kb7*b8 threat:
4.Qa4-e8 #
1...Kg8-f8
2.Qa4-d7 threat:
3.Qd7-f7 #
2...Kf8-g8
3.Qd7-d5 +
3...Kg8-h8
4.Qd5*a8 #
3...Kg8-f8
4.Qd5-f7 # |