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
Shogi notation P86 or P-8f. The notation format has the following 5 part structure: An example using all 5 parts is S72x83+ or S7bx8c+. All parts are obligatory except for the "origin" and "promotion" parts. (Thus, most notation strings only contain 3 parts.) The "origin" part is only indicated when needed to resolve ambiguity. The "promotion" part is only needed when there is the possibility of promotion. Western notation is not used in Japanese language texts, as it is no more concise than traditional notation with kanji and two ciphers which originated in the Edo period. The first letter represents the piece