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The first known publication of chess rules was in a book by Luis Ramírez de Lucena about 1497, shortly after the movement of the queen, bishop, and pawn were changed to their modern form. [111] Ruy López de Segura gave rules of chess in his 1561 book Libro de la invencion liberal y arte del juego del axedrez. [112]
The modern rules of chess (and breaking them) are discussed in separate articles, and briefly in the following subsections: Rules of chess – rules governing the play of the game of chess. White and Black in chess – one set of pieces is designated "white" and the other is designated "black". White moves first.
The chess variants listed below are derived from chess by changing one or more of the many rules of the game. The rules can be grouped into categories, from the most innocuous (starting position) to the most dramatic (adding chance/randomness to the gameplay after the initial piece placement).
Pre-dementia or early-stage dementia (stages 1, 2, and 3). In this initial phase, a person can still live independently and may not exhibit obvious memory loss or have any difficulty completing ...
The Fischer random chess variant (also known as Chess960) has custom castling rules wherein the king and the rook end up where they would be in a normal chess game even if they start on different squares because of the randomized start positions. It is thus possible for the king or rook to not move while castling, or for the destination square ...
In chess, there are a number of ways that a game can end in a draw, in which neither player wins.Draws are codified by various rules of chess including stalemate (when the player to move is not in check but has no legal move), threefold repetition (when the same position occurs three times with the same player to move), and the fifty-move rule (when the last fifty successive moves made by both ...
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