The fact that the scheveningen move by move pdf is compelled to move means that their position will become significantly weaker. A player is said to be “in zugzwang” when any possible move will worsen their position.
Putting the opponent in zugzwang is a common way to help the superior side win a game, and in some cases, it is necessary in order to make the win possible. 9th century, over 1000 years before the first known use of the term. MUST always make a move on his turn even if this is to his disadvantage. Over time however the term became especially associated with chess. German chess circles in the 19th century.
358 of the September 1858 Deutsche Schachzeitung had an unsigned article “Zugzwang, Zugwahl und Privilegien”. 259 of the September 1896 issue of the same magazine. White has died of zugzwang”. The concept of zugzwang, if not the term, must have been known to players for many centuries.
Black in zugzwang, since 3Kc4 4. Kc3, Black is in zugzwang, since he must move his rook away from his king. The only way for White to win is 1. Kc2, placing Black in zugzwang. 19 rules about chess play. His 18th rule is: “To play well the latter end of a game, you must calculate who has the move, on which the game always depends.
1777 of the position illustrated that after White plays 36. Walker wrote of the superior side’s decisive move: “throwing the move upon Black, in the initial position, and thereby winning”. Ra6, Black is in zugzwang and must allow mate on the next move with 1bxa6 2. The great majority of positions are of the first type.
Zugzwang typically occurs when “the player to move cannot do anything without making an important concession”. Black is in zugzwang because they must move and lose the game. Zugzwang most often occurs in the endgame when the number of pieces, and so the number of possible moves, is reduced, and the exact move chosen is often critical. The first diagram shows the simplest possible example of zugzwang. If it is Black’s move, the only legal move is 1Kb7, which allows White to win with 2. The second diagram is another simple example.
Black is out of danger. Whenever the white king is on d4 with White to move, the black king must be on d6 to prevent the advance of the white king. This often occurs in king and pawn endgames. Bf5, Black is in zugzwang. Black is again in zugzwang. In the position on the right, White has just gotten his king to a6, where it attacks the black pawn on b6, tying down the black king to defend it.