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In mathematics, a queen's graph is an undirected graph that represents all legal moves of the queen—a chess piece—on a chessboard.In the graph, each vertex represents a square on a chessboard, and each edge is a legal move the queen can make, that is, a horizontal, vertical or diagonal move by any number of squares.
The queen (♕, ♛) is the most powerful piece in the game of chess. It can move any number of squares vertically, horizontally or diagonally, combining the powers of the rook and bishop. Each player starts the game with one queen, placed in the middle of the first rank next to the king.
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.
Moving the queen – queen can move like a rook or like a bishop (horizontally, vertically, or diagonally), but no castling. Moving the king – king may move one square in any direction, but may not move into check. It may also make a special move called "castling" (see above).
In general, there is no convention for which inverted piece to use, but in general one should use something similar to how the fairy piece moves (e.g. a camel should use an inverted knight icon). a = archbishop ; c = chancellor ; f = inverted king ; g = inverted queen (grasshopper) m = inverted rook (wazir or dabbaba)
A queen can only ever be partially pinned, as it can move in any linear direction, while a knight cannot be partially pinned due to its unique movement. The pawn is a more complex case; due to its limited and conditional movement, whether a pin on a pawn is partial depends on the line and direction of the pin and on whether there are opposing ...
Marseillais chess (or Two-move chess): After the first turn of the game by White being a single move, each player moves twice per turn. Monster chess (or Super King): White has the king and four pawns (c2-f2) against the entire black army but may make two successive moves per turn. There is no check. Players win by capturing the king.
The example below is for the opening position, so no moves are shown in the heading. The first row provides the move numbers with subsequent rows representing different variations. Since the initial position is not always the opening position, these numbers will not always start at "1." White half-moves are shown above black half-moves.