Portable Game Notation Algebraic Notation (SAN). For most moves the SAN consists of the letter abbreviation for the piece, an codice_27 if there is a capture, and the two-character algebraic name of the final square the piece moved to. The letter abbreviations are codice_28 (king), codice_29 (queen), codice_30 (rook), codice_31 (bishop), and codice_32 (knight). The pawn is given an empty abbreviation in SAN movetext, but in other contexts the abbreviation codice_33 is used. The algebraic name of any square is as per usual algebraic chess notation; from white's perspective, the leftmost square closest to white is codice_34, the rightmost square closest to the
Chess "!!" an excellent move, "?" a mistake, "??" a blunder, "!?" an interesting move that may not be best, or "?!" a dubious move not easily refuted. For example, one variation of a simple trap known as the Scholar's mate (see animated diagram) can be recorded: The text-based Portable Game Notation (PGN), which is understood by chess software, is based on short form English language algebraic notation. Until about 1980, the majority of English language chess publications used a form of descriptive notation. In descriptive notation, files are named according to the piece which occupies the back rank at the