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In chess, doubled pawns are two pawns of the same color residing on the same file. Pawns can become doubled only when one pawn captures onto a file on which another friendly pawn resides. In the diagram, the white pawns on the b-file and e-file are doubled. The pawns on the e-file are doubled and isolated.
In a game of chess, the pawn structure (sometimes known as the pawn skeleton) is the configuration of pawns on the chessboard.Because pawns are the least mobile of the chess pieces, the pawn structure is relatively static and thus plays a large role in determining the strategic character of the position.
The option to capture the moved pawn en passant must be exercised on the move immediately following the double-step pawn advance, or it is lost for the remainder of the game. The en passant capture is the only capture in chess in which the capturing piece does not replace the captured piece on the same square.
A Closed Game (or Double Queen's Pawn Opening) is a chess opening that begins with the moves: . 1. d4 d5. The move 1.d4 offers the same benefits to development and center control as does 1.e4, but unlike with the king's pawn openings where the e4-pawn is undefended after the first move, the d4-pawn is protected by White's queen.
In early versions of chess, the pawn could not advance two squares on its first move. The two-square advance was introduced later, between the 13th and 16th centuries, to speed up games. [ 13 ] The en passant capture may have been introduced at that time, or it may have come later; references to en passant captures appear in the books by the ...
Advancing the king's pawn two squares is highly useful because it occupies a center square, attacks the center square d5, and allows the development of White's king's bishop and queen. Chess grandmaster Bobby Fischer said that the King's Pawn Game is "Best by test", [2] and proclaimed that "With 1.e4! I win." [3] [page needed]
Double-Move Chess: Similar to Marseillais chess, but with no en passant, check, or checkmate. The objective is to capture the king. By Fred Galvin (1957). [41] Double-Take Chess: Each player, once per game, can make two moves during one of their turns. These two moves cannot be used to place the opponent's king in checkmate.
Handicaps (or "odds") in chess are handicapping variants which enable a weaker player to have a chance of winning against a stronger one. There are a variety of such handicaps, such as material odds (the stronger player surrenders a certain piece or pieces), extra moves (the weaker player has an agreed number of moves at the beginning of the game), extra time on the chess clock, and special ...