Решение шахматной задачи №90215
Мат в 4 хода |
1.Bf5-d7 ! zugzwang.
1...Sc5-e4
2.Qh7*e4 +
2...Kb4-b3
3.Bd7-e6 #
3.Qe4-a4 #
2...Kb4-c5
3.Qe4-d4 #
1...Kb4-c4
2.Ra7-a4 +
2...Kc4-d5
3.Ra4-d4 #
2...Kc4-b3
3.Qh7-b1 #
2...Sc5*a4
3.Qh7-e4 +
3...Kc4-c5
4.Qe4-d4 #
3...Kc4-b3
4.Qe4*a4 #
1...Kb4-b3
2.Qh7-b1 +
2...Kb3-c4
3.Ra7-a4 +
3...Kc4-d5
4.Ra4-d4 #
3...Sc5*a4
4.Qb1-b5 #
1...Sc5-a4
2.Qh7-e4 +
2...Kb4-b3
3.Qe4*a4 #
2...Kb4-c5
3.Qe4-d4 #
2...Kb4-a3
3.Qe4*a4 #
1...Sc5-b3
2.Qh7-e4 +
2...Sb3-d4
3.Qe4*d4 +
3...Kb4-b3
4.Qd4-c3 #
4.Qd4-a4 #
2...Kb4-c5
3.Bf6-e7 +
3...Kc5-b6
4.Qe4*b7 #
2.Ra7-a4 +
2...Kb4-c5
3.Qh7-e7 +
3...Kc5-d5
4.Qe7-e5 #
3...Kc5-b6
4.Qe7-d6 #
2.Ra7*b7 +
2...Kb4-c4
3.Qh7-c2 +
3...Kc4-d5
4.Qc2-c6 #
3.Qh7-e4 +
3...Sb3-d4
4.Qe4*d4 #
3...Kc4-c5
4.Bf6-e7 #
4.Qe4-c6 #
3.Bd7-e6 +
3...Kc4-c5
4.Qh7-c7 #
2...Kb4-a5
3.Bf6-c3 +
3...Ka5-a6
4.Bd7-b5 #
3.Bf6-d8 +
3...Ka5-a6
4.Bd7-b5 #
2...Kb4-c5
3.Qh7-c2 +
3...Kc5-d5
4.Qc2-c6 #
3...Kc5-d6
4.Qc2-c6 #
3.Qh7-f5 +
3...Kc5-c4
4.Bd7-e6 #
4.Qf5-b5 #
3...Kc5-d6
4.Qf5-e5 #
3.Rb7-b5 +
3...Kc5-c4
4.Qh7-c2 #
3...Kc5-d6
4.Bf6-e5 #
2...Kb4-a3
3.Qh7-d3 threat:
4.Qd3*b3 #
1...Sc5-d3
2.Qh7*d3 threat:
3.Bf6-e7 #
3.Qd3-b5 #
3.Qd3-c3 #
2...Kb4-c5
3.Qd3-d4 #
2.Qh7-e4 +
2...Kb4-b3
3.Qe4-a4 #
2...Kb4-c5
3.Qe4-d4 #
1...Sc5-e6
2.Qh7-c2 threat:
3.Ra7-a4 #
3.Qc2-c3 #
2...Se6-c5
3.Qc2-c3 #
2...Se6-d4
3.Ra7-a4 #
3.Bf6-e7 #
2...b7-b5
3.Qc2-c3 #
1...Sc5*d7
2.Qh7*d7 threat:
3.Ra7-a4 +
3...Kb4-b3
4.Qd7-d1 #
3...Kb4-c5
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