Решение шахматной задачи №76704
Мат в 4 хода |
1.Rb7-g7 ! zugzwang.
1...b2-b1=Q
2.Rg7-g2 +
2...Qb1-c2
3.Rg2*c2 #
2...Qb1-b2
3.a7-a8=Q zugzwang.
3...Qb2-c2
4.Rg2*c2 #
3...Qb2*g2
4.Qa8*g2 #
3...Qb2-f2
4.Rg2*f2 #
3...Qb2-e2
4.Rg2*e2 #
3...Qb2-d2
4.Rg2*d2 #
1...b2-b1=S
2.Rg7-g2 +
2...Sb1-d2
3.Rg2*d2 #
1...b2-b1=R
2.Rg7-g2 +
2...Rb1-b2
3.a7-a8=Q zugzwang.
3...Rb2*g2
4.Qa8*g2 #
3...Rb2-f2
4.Rg2*f2 #
3...Rb2-e2
4.Rg2*e2 #
3...Rb2-d2
4.Rg2*d2 #
3...Rb2-c2
4.Rg2*c2 #
1...b2-b1=B
2.Rg7-g2 +
2...Bb1-c2
3.Rg2*c2 #
1.Sb3-d2 ! threat:
2.a7-a8=Q threat:
3.Qa8-g8 +
3...Ka2-a1
4.Sa3-c2 #
3.Sa3-b1 threat:
4.Ka4-b4 #
4.Ka4-b5 #
2...b2-b1=Q
3.Sa3*b1 zugzwang.
3...Ka2-a1
4.Ka4-b3 #
2...b2-b1=R
3.Sa3*b1 zugzwang.
3...Ka2-a1
4.Ka4-b3 #
2.a7-a8=R threat:
3.Sa3-b1 threat:
4.Ka4-b4 #
4.Ka4-b5 #
2.Sa3-b1 threat:
3.Rb7-b3 threat:
4.Rb3-a3 #
3.a7-a8=Q threat:
4.Ka4-b4 #
4.Ka4-b5 #
3.a7-a8=R threat:
4.Ka4-b4 #
4.Ka4-b5 #
3.Ka4-b4 threat:
4.a7-a8=Q #
4.a7-a8=R #
3.Ka4-b5 threat:
4.a7-a8=Q #
4.a7-a8=R #
3.Sb1-c3 +
3...Ka2-a1
4.Sd2-b3 #
2.Sd2-b1 threat:
3.Sb1-c3 +
3...Ka2-a1
4.Sa3-c2 #
2.Sd2-e4 threat:
3.Se4-c3 +
3...Ka2-a1
4.Sa3-c2 #
2...b2-b1=S
3.Sa3-c2 zugzwang.
3...Sb1-d2
4.Se4-c3 #
3...Sb1-c3 +
4.Se4*c3 #
3...Sb1-a3
4.Se4-c3 #
1...Ka2-a1
2.a7-a8=Q threat:
3.Qa8-h8 threat:
4.Qh8*b2 #
3.Qa8-g8 threat:
4.Sa3-c2 #
3...b2-b1=Q
4.Rb7*b1 #
3...b2-b1=B
4.Rb7*b1 #
3.Ka4-b3 threat:
4.Sa3-b1 #
4.Sa3-c2 #
4.Sa3-c4 #
4.Sa3-b5 #
3...b2-b1=Q +
4.Sa3*b1 #
3...b2-b1=S
4.Sa3*b1 #
4.Sa3-c2 |