Solution
1.d3-d4 ! угроза:
2.Кd7-c5 +
2...Крd5-c6
3.Фe7-d7 #
3.Фe7-e8 #
2...Сc7-d6
3.Лd8*d6 #
3.Фe7*d6 #
3.Фe7-e4 #
2...Сc7*d8
3.Фe7-d7 #
2.Кd7-e5 +
2...Сc7-d6
3.Лd8*d6 #
3.Фe7*d6 #
2...Сc7*d8
3.Фe7-d7 #
2.Кd7-b8 +
2...Сc7-d6
3.Фe7-e5 #
3.Лd8*d6 #
3.Фe7*d6 #
3.Фe7-e4 #
2...Сc7*d8
3.Фe7-e5 #
3.Фe7-d7 #
1...c4-c3
2.Кd7-e5 +
2...Сc7-d6
3.Лd8*d6 #
3.Фe7*d6 #
2...Сc7*d8
3.Фe7-d7 #
1...Крd5*d4
2.Кd7*b6 +
2...Крd4-c3
3.Кb6*a4 #
2...Сc7-d6
3.Фe7-e3 #
2...Сc7*d8
3.Фe7-e3 #
1...Крd5-c6
2.Кd7-b8 +
2...Крc6-b7
3.Фe7-e4 #
2...Крc6-b5
3.Лd8-d5 #
2...Сc7*b8
3.Фe7-d7 #
1...b6-b5
2.Кd7-e5 +
2...Сc7-d6
3.Лd8*d6 #
3.Фe7*d6 #
2...Сc7*d8
3.Фe7-d7 #
2.Кd7-b8 +
2...Сc7-d6
3.Лd8*d6 #
3.Фe7*d6 #
3.Фe7-e4 #
3.Фe7-e5 #
2...Сc7*d8
3.Фe7-e5 #
3.Фe7-d7 #
1...Сc7*d8
2.Кd7-f6 +
2...Крd5*d4
3.Фe7-e3 #
2...Крd5-c6
3.Фe7-d7 #
2...g7*f6
3.Фe7-d7 #