The opening is the initial stage of a chess game. It usually consists of established theory. The other phases are the middlegame and the endgame. Many...

The Encyclopaedia of Chess Openings (ECO) is a reference work describing the state of opening theory in chess, originally published in five volumes from...

This is a list of chess openings, organised by the Encyclopaedia of Chess Openings (ECO) code classification system. The chess openings are categorised...

The game of chess is commonly divided into three phases: the opening, middlegame, and endgame. There is a large body of theory regarding how the game should...

This article uses algebraic notation to describe chess moves. In chess, an irregular opening is an opening considered unusual or unorthodox. In the early...

The English Opening is a chess opening that begins with the move: 1. c4 A flank opening, it is the fourth most popular and, according to various databases...

unorthodox chess pieces, see Fairy chess piece; for a list of terms specific to chess problems, see Glossary of chess problems; for a list of named opening lines...

A chess opening book is a book on chess openings. This is by far the most common type of literature on chess. These books describe many major lines, like...

The Réti Opening is a hypermodern chess opening whose "traditional" or "classic method" begins with the moves: 1. Nf3 d5 2. c4 White attacks Black's pawn...

The Caro–Kann Defence is a chess opening characterised by the moves: 1. e4 c6 The Caro–Kann is a common defence against 1.e4. It is classified as a Semi-Open...

The Dutch Defence is a chess opening characterised by the moves: 1. d4 f5 Black's 1...f5 stakes a claim to the e4-square and envisions an attack in the...

Opening (or the Dutch Attack) is a chess opening characterised by the move: 1. f4 Named after 19th century English player Henry Bird, Bird's opening is...

The King's Gambit is a chess opening that begins with the moves: 1. e4 e5 2. f4 White offers a pawn to divert the black e-pawn. If Black accepts the gambit...

This is a list of chess openings that are gambits. The gambits are organized into sections by the parent chess opening, giving the gambit name, ECO code...

Modern Chess Openings (usually called MCO) is a reference book on chess openings, first published in 1911 by the British players Richard Clewin Griffith...

A chess opening theory table or ECO table (Encyclopaedia of Chess Openings) presents lines of moves, typically (but not always) from the starting position...

The Dunst Opening is a chess opening in which White opens with the move: 1. Nc3 This fairly uncommon opening may have more names than any other: it is...

Kramnik, have expressed fears of a "draw death" as chess becomes more deeply analyzed, and opening preparation becomes ever more important. To alleviate...

Attack (or Bongcloud Opening) is an irregular chess opening that consists of the moves: 1. e4 e5 2. Ke2? It is considered a joke opening and is associated...

The Ware Opening, also known as Meadow Hay Opening, is an uncommon chess opening for White beginning with the move: 1. a4 It is named after Preston Ware...

The King's Knight Opening is a chess opening consisting of the moves: 1. e4 e5 2. Nf3 White's second move attacks the e-pawn. Black usually defends this...

The Sicilian Defence is a chess opening that begins with the following moves: 1. e4 c5 The Sicilian is the most popular and best-scoring response to White's...

Defense, or simply the Benoni, is a chess opening characterized by an early reply of ...c5 against White's opening move 1.d4. The original form of the...

The Catalan Opening is a chess opening where White plays d4 and c4 and fianchettoes the white bishop on g2. A common opening sequence is 1.d4 Nf6 2.c4...

The Sokolsky Opening, also known as the Orangutan and the Polish Opening, is an uncommon chess opening that begins with the move: 1. b4 According to various...

ˈruːi/; Spanish: [ˈruj ˈlopeθ]), also called the Spanish Opening or Spanish Game, is a chess opening characterised by the moves: 1. e4 e5 2. Nf3 Nc6 3. Bb5...

(also known as the Nimzo-Larsen Attack, Larsen's Opening and Queen's Fianchetto Opening) is a chess opening typically starting with the move: 1.b3 but sometimes...

notation to describe chess moves. Fischer random chess, also known as Chess960 ('chess nine-sixty'), is a variation of the game of chess invented by the former...

available resources. The line is considered one of the sharpest of all chess openings. The modern form of the Dragon was originated by German master Louis...

Chess is a board game for two players. It is sometimes called international chess or Western chess to distinguish it from related games such as xiangqi...