Problema di scacchi №126118

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1.Фb8-d6 ! цугцванг.
1...b3-b2
2.Фd6-b6 цугцванг.
2...b2-b1=Ф
3.Фb6*b1 #
2...b2-b1=К +
3.Фb6*b1 #
2...b2-b1=Л
3.Фb6*b1 #
2...b2-b1=С
3.Фb6*b1 #
2...Сf2*b6
3.Сa7*b6 #
2...Сf2-c5
3.Фb6*c5 #
2...Сf2-d4
3.Фb6*d4 #
2...Сf2-e3 +
3.Фb6*e3 #
1...Сf2*a7
2.Кb7-c5 угроза:
3.Фd6-d4 #
2...Сa7*c5
3.Фd6*c5 #
1...Сf2-b6
2.Сa7*b6 #
2.Фd6*b6 #
1...Сf2-c5
2.Сa7*c5 #
2.Фd6*c5 #
1...Сf2-d4
2.Сa7*d4 #
2.Фd6*d4 #
1...Сf2-e3 +
2.Сa7*e3 #
1...b3*a2
2.Фd6-d4 угроза:
3.Фd4-a1 #
2...Сf2*d4
3.Сa7*d4 #
2...Сf2-e3 +
3.Фd4*e3 #
1...b3*c2
2.Фd6-c5 цугцванг.
2...c2-c1=Ф +
3.Фc5*c1 #
2...c2-c1=К
3.Фc5*c1 #
2...c2-c1=Л
3.Фc5*c1 #
2...c2-c1=С +
3.Фc5*c1 #
2...Сf2*c5
3.Сa7*c5 #
2...Сf2-d4
3.Фc5*d4 #
2...Сf2-e3 +
3.Фc5*e3 #