Knight (chess) of chaturanga in India around the 6th century. Similar pieces are found in almost all games of the chess family. The "ma" of xiangqi and janggi are slightly more restricted; conceptually, the piece is considered to pass through the adjacent orthogonal square, which must be unoccupied, rather than "jumping". Another related piece is the "keima" of shogi, which moves like a knight but may only move two squares forward followed by one square sideways, restricting its movement to two possible squares. Unicode defines two codepoints for knight: ♘ U+2658 White Chess Knight (HTML ♘) ♞ U+265E Black Chess Knight (HTML
Skewer (chess) Skewer (chess) In chess, a skewer is an attack upon two pieces in a line and is similar to a pin. A skewer is sometimes described as a "reverse pin"; the difference is that in a skewer, the more valuable piece is in front of the piece of lesser value. The opponent is compelled to move the more valuable piece to avoid its capture, thereby exposing the less valuable piece which can then be captured (see chess piece relative value). Only pieces that can move an indefinite number of squares in a horizontal, vertical, or diagonal line (i.e. bishops, rooks,