Шахматная задача №60
Поставить мат в 4 хода
№51 4 bkb8 wkb5 wnb4 wpb7№52 2 bka1 bpb3 wbb1 wkc3 wna3 wnb4№53 3 bkd7 wkb5 wpb7 wre8№54 2 bbb8 bka8 bpa7 bpb7 wkc8 wpb6 wra2№55 3 bkh8 bpb6 bpg7 bph7 wba2 wkb4 wrg1 wrh1№56 2 bka8 bpb7 bra7 brb8 wkg6 wqe4 wra1 wrh8№57 2 bkd4 bpe5 bpf2 bpf3 bpf4 wbf1 wka7 wpe2 wqb3№58 2 bkh1 bpg2 brg1 brh2 wka8 wqb7 wrb1 wrh7№59 2 bke1 bpe2 wke5 wqe8 wrb2 wrh2№60 4 bkh8 wkf6 wne7 wpe6