Descriptive notation abbreviated to the first letter of its name: K for king, Q for queen, R for rook, B for bishop, P for pawn. Knight begins with the same letter as king, so it is abbreviated to either "Kt" (used in older chess literature) or "N". "N" is used in this article. In 1944 "Chess Review" received many letters debating the change from Kt to N . In descriptive notation each square has two names, depending on Black's or White's viewpoint. Each is given a name corresponding with the piece that occupies the first at the start of the game. Thus
Fairy chess piece that must land immediately after first piece it encounters, instead of on or before it), pao (rider that can only land behind the first piece it encounters, instead of on or before it), o cylindrical (moving off one side of the board wraps to the other), z crooked (moving in a zigzag line like the boyscout), q circular movement (like the rose), and then (for pieces that start moving in one direction and then continue in another, like the gryphon). In addition, Betza has also suggested adding brackets to his notation: q<nowiki>[</nowiki>WF<nowiki>]</nowiki>q<nowiki>[</nowiki>FW<nowiki>]</nowiki> would be a circular king, which can move