Knight (chess) king); in descriptive chess notation, "Kt" is sometimes used instead, mainly in older literature. In chess problems and endgame studies, the letter "S", standing for the German name for the piece, "Springer", is often used (and in some variants of fairy chess "N" is used for the popular fairy chess piece, the nightrider). Even among sets of the standard Staunton pattern, the style of the pieces varies. The knights vary considerably. Here are some examples. The knight, along with the king and the rook, has the oldest defined movement of any chess piece, its movement being unchanged since the invention
Wazir (chess) and wazir against the bare king are fortress draws. Wazir (chess) A wazir (or vizir) is a fairy chess piece that moves like a rook, but can go only one square. In notation, it is given the symbol W. In this article, the wazir is represented by an inverted rook. The wazir is a very old piece, appearing in some very early chess variants, such as Tamerlane chess. The general in xiangqi moves like a wazir, but has additional restrictions involving check and where it can move. It also appears in some historical large shogi variants, such as dai shogi,