하프-오픈 파일

In chess, a half-open file (or semi-open file) is a 틀:Chessgloss with pawns of only one color. The half-open file can provide a line of attack for a player's rook or queen. A half-open file is generally exploited by the player with no pawns on it.

Many openings, such as the Sicilian Defense, aim to complicate the position. In the main line Sicilian, 1.e4 c5 2.Nf3 d6 (or 2...e6, or 2...Nc6) 3.d4 cxd4 4.Nxd4, White obtains a half-open d-file, but Black can pressure White along the half-open c-file.

In positions where White has no pawns on a file but Black has one pawn or more on that file, the position is considered to be half-opened for white. During instances where Black has zero pawns on a file but White has one or more pawns on that file, the position is considered to be half-opened for black.

In such instances where pawns capture or advance, in a way that it opens or half-opens a file or files, this instance is called a pawn break.

The demolition of the pawn structure is a common theme in positions with half-open files, since doubled pawns or isolated pawns may create half-open files. 틀:AN chess

Example

The game Loek van Wely–Judit Polgár, Hoogeveen, 1997 demonstrates the power of half-open files in attacks. Despite having one fewer pawn than White, Black's possession of two powerful half-open files (her rook on the f-file and queen on the g-file) gives her a winning advantage (see diagram).

Black played

틀:Pad30... Rxf2+틀:Chesspunc

and White resigned, anticipating 31.Rxf2 Qxg3+ 32.Kf1 Qxf2틀:ChessAN.

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• 오픈파일
• en:Open file

각주

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