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The Bishop's Opening is a chess opening that begins with the moves: . 1. e4 e5 2. Bc4. White attacks Black's f7-square and prevents Black from advancing the d-pawn to d5. By ignoring the beginner's maxim "develop knights before bishops", White leaves their f-pawn unblocked, preserving the possibility of f2–f4.
About half of the endings with a bishop and two pawns versus a bishop on the opposite color are drawn. [4] (By contrast, over 90% are won if the bishops are on the same color.) Zugzwang is a tool that often helps the superior side win an endgame. It is a fairly common occurrence in endings with bishops on the same color but is much less common ...
In chess, the bishop and knight checkmate is the checkmate of a lone king by an opposing king, bishop, and knight. With the stronger side to move, checkmate can be forced in at most thirty-three moves from almost any starting position.
A bishop and knight can force mate, but with far greater difficulty than two bishops. In certain positions a bishop can by itself lose a move (see triangulation and tempo), while a knight can never do so. The bishop is capable of skewering or pinning a piece, while the knight can do neither. A bishop can in some situations hinder a knight from ...
An unexpected result from empirical computer studies is that the princess (a bishop-knight compound) and empress (a rook-knight compound) have almost exactly the same value, even though the lone rook is two pawns stronger than the lone bishop. The empress is about 50 centipawns weaker than the queen, and the princess 75 centipawns weaker than ...
The Bishop's Gambit is a variation of the King's Gambit, a chess opening that begins with the moves: 1. e4 e5 2. f4 exf4 (The King's Gambit Accepted) 3. Bc4. Compared to the main line, the king's knight gambit (3. Nf3), there is very little theory on the Bishop's gambit and most lines are nameless. The bishop's gambit is the most important ...
In mathematics, a bishop's graph is a graph that represents all legal moves of the chess piece the bishop on a chessboard.Each vertex represents a square on the chessboard and each edge represents a legal move of the bishop; that is, there is an edge between two vertices (squares) if they occupy a common diagonal.
In shogi, the Bishop Exchange Fourth File Rook (角交換四間飛車 kaku kōkan shikenbisha) or Open Bishop Diagonal Fourth File Rook (角道オープン四間飛車 kaku michi ōpun shikenbisha) is a Fourth File Rook (Ranging Rook) opening in which the player's bishop diagonal remains open allowing for a bishop exchange to occur early in the opening.