Rispondi
1.Фd5-d3 ! угроза:
2.Фd3-d5 цугцванг.
2...Сb4-a3
3.Фd5-b3 #
2...Сb4-e1
3.Фd5-b3 #
2...Сb4-d2
3.Фd5-b3 #
2...Сb4-c3
3.Фd5-b3 #
2...Сb4-f8
3.Фd5-b3 #
2...Сb4-e7
3.Фd5-b3 #
2...Сb4-d6
3.Фd5-b3 #
2...Сb4-c5
3.Фd5-b3 #
1...Сb4-c3
2.Фd3-c4 +
2...Сc3-b4
3.Фc4-d5 цугцванг.
3...Сb4-a3
4.Фd5-b3 #
3...Сb4-e1
4.Фd5-b3 #
3...Сb4-d2
4.Фd5-b3 #
3...Сb4-c3
4.Фd5-b3 #
3...Сb4-f8
4.Фd5-b3 #
3...Сb4-e7
4.Фd5-b3 #
3...Сb4-d6
4.Фd5-b3 #
3...Сb4-c5
4.Фd5-b3 #
3.Крa2-a1 цугцванг.
3...Крa4-a3
4.Фc4-a2 #
3.Крa2-b1 цугцванг.
3...Крa4-a3
4.Фc4-a2 #