Problème d'échecs n°5

Les pièces noires sont disposées très agressivement. Le Roi blanc semble toutefois suffisamment abrité par ses propres pièces. Question : peut-on l'extirper de son refuge? Trait aux Noirs.

The black pieces are arranged very aggressively. However, the White King seems to be sufficiently sheltered by his own pieces. Question : can he be extirpated from his shelter ? Black's move.