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The knight ((unicode:♘) (unicode:♞)) is a piece in the game of chess, representing a knight (armored cavalry). It is normally represented by a horse's head and neck. Each player starts with two knights, which begin on the row closest to the player, one square from each corner. ==Movement== The knight move is unusual among chess pieces. When it moves, it can move to a square that is two squares horizontally and one square vertically, or two squares vertically and one square horizontally. The complete move therefore looks like the letter ''L''. Unlike all other standard chess pieces, the knight can 'jump over' all other pieces (of either color) to its destination square.〔Because of this, the move can also be described other ways, such as one square diagonally and one square orthogonally 'outward' (not ending adjacent to its starting square), or one square orthogonally followed by one square diagonally outward. The latter describes the move of the horse in xiangqi, which cannot jump.〕 It captures an enemy piece by replacing it on its square. The knight's ability to "jump over" other pieces means it tends to be at its most powerful in closed positions, in contrast to that of a bishop. The move is one of the longest-surviving moves in chess, having remained unchanged since before the seventh century. Because of this it also appears in most chess-related regional games. The knight moves alternately to light and dark squares. A knight should always be close to where the action is, meaning it is best used on areas of the board where the opponent's pieces are clustered or close together. Pieces are generally more powerful if placed near the center of the board, but this is particularly true for a knight. A knight on the edge of the board attacks only three or four squares (depending on its exact location) and a knight in the corner only two. Moreover, it takes more moves for an uncentralized knight to switch operation to the opposite side of the board than an uncentralized bishop, rook, or queen. The mnemonic phrases "A knight on the rim is grim" or "A knight on the rim is dim" are often used in chess instruction to reflect this principle. The knight is the only piece that can move at the beginning of the game without first moving a pawn. For the reasons above, the best square for the initial move of each knight is usually one towards the center. Knights are usually brought into play slightly sooner than the bishops and much sooner than the rooks and the queen. Because of its move pattern, the knight is especially well-suited for executing a fork. In the numbered diagram, the numbers represent how many moves it takes for a knight to reach each square on the chessboard from its location on the f5-square. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Knight (chess)」の詳細全文を読む スポンサード リンク
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