チェスの問題 №203434

答え

1.Крd2-c1 ! цугцванг.
1...b5-b4
2.Крc1-b2 цугцванг.
2...Кd5-c3
3.Лe5-c5 #
3.Кb3-d4 #
2...Кd5-e3
3.Кb3-d4 #
3.Лe5-c5 #
2...Кd5-f4
3.Лe5-c5 #
3.Кb3-d4 #
2...Кd5-f6
3.Кb3-d4 #
3.Лe5-c5 #
2...Кd5-e7
3.Лe5-c5 #
3.Кb3-d4 #
2...Кd5-c7
3.Кb3-d4 +
3...Крc6-d6
4.Сb8*c7 #
3.b6*c7 угроза:
4.c7-c8=Ф #
4.c7-c8=Л #
3...b7-b5
4.c7-c8=Ф #
3...b7-b6
4.c7-c8=Ф #
2...Кd5*b6
3.Лe5-c5 #
3.Кb3-d4 #
2...Крc6-b5
3.Сg4-h5 цугцванг.
3...Крb5-c6
4.Сh5-e8 #
3...Крb5-a6
4.Сh5-e2 #
3...Крb5-c4
4.Сh5-e2 #
3...Крb5-a4
4.Сh5-e8 #
1...Кd5-b4
2.Лe5-c5 #
2.Кb3-d4 #
1...Кd5-c3
2.Кb3-d4 #
2.Лe5-c5 #
1...Кd5-e3
2.Лe5-c5 #
2.Кb3-d4 #
1...Кd5-f4
2.Кb3-d4 #
2.Лe5-c5 #
1...Кd5-f6
2.Лe5-c5 #
2.Кb3-d4 #
1...Кd5-e7
2.Кb3-d4 #
2.Лe5-c5 #
1...Кd5-c7
2.Сb8*c7 угроза:
3.Лe5-c5 #
3.Кb3-d4 #
2.b6*c7 угроза:
3.c7-c8=Ф #
3.c7-c8=Л #
2...b7-b6
3.c7-c8=Ф #
2.Кb3-d4 +
2...Крc6-d6
3.Сb8*c7 #
1...Кd5*b6
2.Кb3-d4 #
2.Лe5-c5 #