In the example diagram, both facet having the shift is in zugzwang: Black to move ought to Enjoy one...Kb7 allowing White to promote the pawn after 2.Kd7; White to move must permit a draw, both by 1.Kc6 stalemate or by losing the pawn immediately after some other legal go.Zugzwang, a problem where the participant who's to maneuver is compelled to i