chess Options
In the example diagram, possibly facet obtaining the move is in zugzwang: Black to move must Participate in 1...Kb7 enabling White to market the pawn immediately after 2.Kd7; White to move have to permit a attract, possibly by one.Kc6 stalemate or by dropping the pawn just after another legal move.Zugzwang, a problem through which the player that's