This article uses algebraic notation to describe chess moves. Algebraic chess notation is used to record and describe the moves in a game of Chess.

A Semi-Open Game is a chess opening in which White plays 1. In Chess the word " opening " has two common meanings both of which are discussed in this article e4 and Black breaks symmetry immediately by replying with a move other than 1. . . e5. The Semi-Open Games are also called Single King Pawn Games, and are the complement of the Open Games or Double King Pawn Games which begin 1. An Open Game (or Double King Pawn game is a Chess opening which begins with the White moves 1 e4 e5.

The most popular Black defense to 1. The Sicilian Defence is a Chess opening that begins with the moves 1 The French Defence is a Chess opening. It is characterized by the moves 1 The Caro-Kann Defence is a common Chess opening characterized by the moves 1 Alekhine's Defence is a Chess opening beginning with the moves 1 The Pirc Defence, sometimes known as the Ufimtsev Defence or Yugoslav Defence, is a Chess opening characterised by Black responding to 1 The Modern Defence, also known as the Robatsch Defence, after Karl Robatsch, is a Chess opening in which Black allows White to occupy the center with e4 is the Sicilian, but the French and the Caro-Kann are also very popular. The Sicilian Defence is a Chess opening that begins with the moves 1 The French Defence is a Chess opening. It is characterized by the moves 1 The Caro-Kann Defence is a common Chess opening characterized by the moves 1 The Pirc and the Modern are also commonly seen, while the Alekhine and the Scandinavian have made occasional appearances in World Chess Championship games. The Pirc Defence, sometimes known as the Ufimtsev Defence or Yugoslav Defence, is a Chess opening characterised by Black responding to 1 The Modern Defence, also known as the Robatsch Defence, after Karl Robatsch, is a Chess opening in which Black allows White to occupy the center with Alekhine's Defence is a Chess opening beginning with the moves 1 The Scandinavian Defense or Center Counter Defense, is a Chess opening characterized by the moves 1 See also Development of the World Chess Championship The World Chess Championship is played to determine the World Champion in the Board game Chess The Nimzowitsch is playable but rare, as is Owen's Defense. This article is about the opening moves 1e4 Nc6 For the more common 1 Owen's Defense (also known as the Queen's Fianchetto Defense or Greek Defense) is a Chess opening defined by the moves 1 The Borg Defense and the St. George Defense are oddities, although Tony Miles once used St. The St George Defence, also known as the Baker Defence or Birmingham Defence, is an unorthodox chess opening played with the black pieces Anthony John Miles ( 23 April 1955 in Edgbaston, Birmingham &ndash 12 November 2001 in Harborne, Birmingham George's Defense to defeat then World Champion Anatoly Karpov. Anatoly Yevgenyevich Karpov (Анатолий Евгеньевич Карпов born May 23, 1951) is a Russian Chess grandmaster

The Sicilian and French Defenses lead to unbalanced positions that can offer exciting play with both sides having chances to win. The Caro-Kann Defense is solid as Black intends to use his c-pawn to support his center (1. e4 c6 2. d4 d5). Alekhine's, the Pirc and the Modern are hypermodern openings in which Black tempts White to build a large center with the goal of attacking it with pieces. Hypermodernism is a school of Chess thought which advocates controlling the centre of the board with distant pieces rather than with pawns, thus inviting the opponent

• 1. e4 a5 Corn Stalk Defense
• 1. The Corn Stalk Defense, also known as the Ware Defense or simply Corn Stalks, is a Chess opening characterised by the moves 1 e4 a6 St. George Defense
• 1. The St George Defence, also known as the Baker Defence or Birmingham Defence, is an unorthodox chess opening played with the black pieces e4 Na6 Lemming Defense
• 1. The Lemming Defense is a dubious chess opening characterized by the moves 1 e4 b6 Owen's Defense
• 1. Owen's Defense (also known as the Queen's Fianchetto Defense or Greek Defense) is a Chess opening defined by the moves 1 e4 c5 Sicilian Defense
• 1. The Sicilian Defence is a Chess opening that begins with the moves 1 e4 c6 Caro-Kann Defense
• 1. The Caro-Kann Defence is a common Chess opening characterized by the moves 1 e4 Nc6 Nimzowitsch Defense
• 1. This article is about the opening moves 1e4 Nc6 For the more common 1 e4 d5 Scandinavian Defense
• 1. The Scandinavian Defense or Center Counter Defense, is a Chess opening characterized by the moves 1 e4 d6 2. d4 f5 Balogh Defense
• 1. The Balogh Defense (also known as the Balogh Counter Gambit) is an unusual Chess opening beginning 1 e4 d6 2. d4 Nf6 3. Nc3 c6 Czech Defense
• 1. The Pirc Defence, sometimes known as the Ufimtsev Defence or Yugoslav Defence, is a Chess opening characterised by Black responding to 1 e4 d6 2. d4 Nf6 3. Nc3 g6 Pirc Defense
• 1. The Pirc Defence, sometimes known as the Ufimtsev Defence or Yugoslav Defence, is a Chess opening characterised by Black responding to 1 e4 e6 French Defense
• 1. The French Defence is a Chess opening. It is characterized by the moves 1 e4 e6 2. d4 c5 Franco-Benoni Defense
• 1. The French Defence is a Chess opening. It is characterized by the moves 1 e4 f5 Fred Defense
• 1. The Fred Defence, also known as the Duras Gambit, From Reversed, or Tier's Counter-gambit, is a dubious Chess opening characterised by the e4 f6 Barnes Defense
• 1. Barnes Defense is a dubious Chess opening characterized by the moves *1 e4 Nf6 Alekhine's Defense
• 1. Alekhine's Defence is a Chess opening beginning with the moves 1 e4 g5 Borg Defense
• 1. e4 g6 Modern Defense
• 1. The Modern Defence, also known as the Robatsch Defence, after Karl Robatsch, is a Chess opening in which Black allows White to occupy the center with e4 h5 Goldsmith Defense
• 1. The Pickering Defense or Goldsmith Defense is a dubious Chess opening beginning with the moves 1 e4 h6 Carr Defense
• 1. The Carr Defense, also known as the Krezie Defense, is a dubious chess opening characterized by the moves 1 e4 Nh6 Adams Defense

See also

• Open Game (1. Adams Defense or the Wild Bull Defense is a Chess opening characterized by the moves 1 An Open Game (or Double King Pawn game is a Chess opening which begins with the White moves 1 e4 e5)
• Closed Game (1. A Closed Game, also called a Double Queen Pawn Opening, is a Chess opening that begins with the moves 1 d4 d5)
• Semi-Closed Game (1. A Semi-Closed Game (or Semi-Closed Opening) is a Chess opening in which White opens with the queen's pawn 1 d4 other)
• Flank opening (1. A flank opening is a chess opening played by White and typified by play on one or both flanks (the portion of the chess board outside the central d and e files) c4, 1. Nf3, 1. f4, and others)
• Irregular chess opening

References

• De Firmian, Nick (1999), Modern Chess Openings: MCO-14, Random House Puzzles & Games, ISBN 0-8129-3084-3 

Irregular openings are Chess openings with an unusual first move from White Nicholas Ernest (Nick de Firmian (born July 26, 1957 in Fresno California) is a Chess grandmaster and three-time U Modern Chess Openings (usually called MCO) is an important book of Chess openings first published in 1911 by the British players Richard

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