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Dark chess is a chess variant with incomplete information, similar to Kriegspiel. It was invented by Jens Bæk Nielsen and Torben Osted in 1989. A player does not see the entire board, only their own pieces (including pawns), and squares where these pieces can legally move. == Rules == The goal of this chess variant is not to checkmate the king, but to capture it. A player is not told if their king is in check. Failing to move out of check, or moving into check, are both legal, and can obviously result in a capture and loss of the game. Each player views a different version of the board, on which they can only see their own pieces, and the squares where these pieces can legally move. It is indicated to the player which squares are hidden, so a hidden square can never be confused with a visible empty square. As an example, it is always clear when an enemy piece is directly in front of a pawn, because that square will be hidden (as that is not a legal move for the pawn to make). ''En passant'' capture is allowed; the threatened pawn and the square it moved through are both visible to the capturing player, but only until the end of the turn. Unlike standard chess, castling is allowed out of check, into check, and through the positions attacked by opponent pieces. This chess variant is best played on one of the online chess servers. For playing over-the-board, three chess sets and a referee are needed, just as in Kriegspiel. There are some minor differences in the rules on different servers: * (BrainKing ): pawn promotions remain unknown for the opponent. * (ItsYourTurn ): the opponent knows that a pawn was promoted, but does not know where. * (SchemingMind ): you do not see what is in front of your pawns, but know if the position is occupied or not. * (AjaxPlay.Com ): ''En passant'' capture is not allowed; pawn promotions remain unknown for the opponent. * (GoldToken ): pawn promotions remain unknown for the opponent. 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「Dark chess」の詳細全文を読む スポンサード リンク
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