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The touch-move rule in chess specifies that, if a player intentionally touches a piece on the board when it is his turn to move, then he or she must move or capture that piece if it is legal to do so. This is a rule of chess that is enforced in all games played in over-the-board competitions. The player claiming a touch-move violation must do so before making a move. If a player wants to adjust a piece on its square without being required to move it, he or she can announce ''j’adoube'' ("I adjust") before touching the piece . A player may not touch the pieces on the board while it is their opponents turn. There is a separate rule that a player who lets go of a piece after making a legal move cannot retract the move. ==Details== If a player having the move touches one of his or her pieces as if having the intention of moving it, then he or she must move it if it can be legally moved. So long as the hand has not left the piece on a new square, the latter can be placed on any accessible square. Accidentally touching a piece, e.g. brushing against it while reaching for another piece, does not count as an intentional touch. If a player touches a hostile piece, then he or she must capture it if the piece can be captured. If a player touches one of his pieces and an opponent's piece, he or she must make that capture if it is a legal move. Otherwise, he or she is required to move or capture the first of the pieces that he or she touched. If it cannot be determined whether he or she touched his or her own piece or the opponent's piece first, it is assumed that he touched his or her own piece first. If a player touches more than one piece, he or she must move or capture the first piece that can be legally moved or captured. An exception to that is an attempted illegal castling; in that case the king must be moved if possible, but otherwise there is no requirement to move the rook. When castling, the king must be the first piece touched. If the player touches his rook at the same time as touching the king, he or she must castle with that rook if it is legal to do so. If the player completes a two-square king move without touching a rook, he or she must move the correct rook accordingly if castling in that direction is legal. Otherwise, the move must be withdrawn and another king move made. When a pawn is moved to its eighth rank, once the player takes his hand off the pawn, it can no longer be substituted for a different move of the pawn. However, the move is not complete until the promoted piece is released on that 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「Touch-move rule」の詳細全文を読む スポンサード リンク
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