Fairy chess piece (1,0)-rider which cannot jump). The grasshopper moves along the same lines as a queen, hopping over another piece and landing on the square immediately beyond it. Compound pieces combine the powers of two or more pieces. The archbishop, chancellor, and amazon are three popular compound pieces, combining the powers of minor orthodox chess pieces. When one of the combined pieces is a knight, the compound may be called a "knighted" piece. The archbishop, chancellor, and amazon are the knighted bishop, knighted rook, and knighted queen respectively. When one of the combined pieces is a king, the compound may be called
Algebraic notation (chess) of chess is ICCF numeric notation. In recent years, the majority of correspondence games have been played on on-line servers rather than by email or post, leading to a decline in the use of ICCF numeric notation. Chess games are often stored in computer files using Portable Game Notation (PGN), which uses algebraic chess notation as well as additional markings to codify a game. As mentioned, PGN requires uppercase letter "O" to represent castling (e.g. O-O), while the FIDE Handbook uses digit zero (0-0). Though not technically a part of algebraic notation, the following are some common symbols frequently used