In the example diagram, either aspect obtaining the move is in zugzwang: Black to move must Engage in 1...Kb7 letting White to promote the pawn following two.Kd7; White to maneuver have to allow a draw, both by 1.Kc6 stalemate or by losing the pawn following another authorized transfer. Technically essential https://williamw751ilp3.blogsmine.com/profile