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The rule is also known as repetition of position and, in the USCF rules, as triple occurrence of position. [1] Two positions are by definition "the same" if the same types of pieces occupy the same squares, the same player has the move, the remaining castling rights are the same and the possibility to capture en passant is the same. The ...
Staunton style chess pieces. Left to right: king, rook, queen, pawn, knight, bishop. The rules of chess (also known as the laws of chess) govern the play of the game of chess. Chess is a two-player abstract strategy board game. Each player controls sixteen pieces of six types on a chessboard. Each type of piece moves in a distinct way.
There are other symbols used by various chess engines and publications, such as Chess Informant and Encyclopaedia of Chess Openings, when annotating moves or describing positions. [8] Many of the symbols now have Unicode encodings, but quite a few still require a special chess font with appropriated characters.
Download as PDF; Printable version ... a specific type of draw by threefold repetition. Fifty-move rule: ... notation systems have been used to record chess moves; ...
A mutual perpetual check is not possible using only the orthodox chess pieces, but it is possible using some fairy chess pieces. In the diagram, the pieces represented as inverted knights are nightriders : they move any number of knight moves in a given direction until they are blocked by any piece along the path (that is, a nightrider is to a ...
Download as PDF; Printable version; In other projects ... The Torre Attack is a chess opening characterized by the moves: 1. d4 Nf6 2. Nf3 e6 3. Bg5 (ECO code A46)
Three-player chess (also known as three-handed, three-man, or three-way chess) is a family of chess variants specially designed for three players. [1] Many variations of three-player chess have been devised. They usually use a non-standard board, for example, a hexagonal or three-sided board that connects the center cells in a special way. The ...
In chess, a windmill (or seesaw) [1] [2] is a tactic in which a piece repeatedly gains material while simultaneously creating an inescapable series of alternating direct and discovered checks. Because the opponent must attend to check every move, they are unable to prevent their pieces from being captured; thus, windmills, while very rare, tend ...