Chess opening theory table A chess opening theory table or ECO (Encyclopaedia Of Chess Openings) table presents lines of moves, typically (but not always) from the starting position.
Chigorin Defense The Chigorin Defense is a chess opening named for 19th century Russian grandmaster Mikhail Chigorin.
Clemenz Opening The Clemenz Opening is a chess opening beginning with the move: :1.
Closed Game A Closed Game (or Double Queen's Pawn Opening) is a chess opening that begins with the moves: :1.
Cochrane Gambit Petrov's Defence, also called Petroff's Defence or the Russian Game, is a chess opening characterised by the following moves: :1.
Colle System The Colle System, also known as the Colle–Koltanowski system, is a chess opening strategy for White introduced by Belgian Edgard Colle in the 1920s, and further developed by George Koltanowski.
English Defence The English Defence is a chess opening characterised by the moves: :1.
English Opening The English Opening is a chess opening that begins with the move: :1.
Englund Gambit The Englund Gambit is a rarely played chess opening that starts with the moves: :1.
Evans Gambit The Evans Gambit is a chess opening characterised by the moves: :1.
Exchange variation In chess, an exchange variation is a type of opening in which there is an early, voluntary exchange of pawns or pieces.
Flank opening 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).
Four Knights Game The Four Knights Game is a chess opening that begins with the moves: :1.
Four Knights Game, Halloween Gambit The Halloween Gambit (also known as the Müller–Schulze Gambit or Leipzig Gambit) is an aggressive chess opening gambit in which White sacrifices a knight early-on for a single pawn.
Gunderam Defense The Gunderam Defense is a rarely played chess opening starting with the moves: :1.
Göttingen manuscript The Göttingen manuscript is the earliest known work devoted entirely to modern chess.
Halibut gambit The halibut gambit is a chess opening which begins with the moves: :1.
Handbuch des Schachspiels Handbuch des Schachspiels is a chess book, first published in 1843 by Tassilo von Heydebrand und der Lasa.
Hedgehog (chess) The Hedgehog is a pawn formation in chess adopted usually by Black that can arise from several openings.
Hippopotamus Defence The Hippopotamus Defence is a name for various irregular chess opening systems in which Black moves a number of his pawns to the third rank, often developing his pieces to the second rank, and d...
Hodgson Attack The Hodgson Attack (also called the Levitsky Attack after Stepan Levitsky, or Queen's Bishop Attack or Bishop Attack) is a chess opening that begins with the moves: :1.
Hungarian Defense The Hungarian Defense is a chess opening that begins with the moves :1.
Indian Defence Indian defences are chess openings characterised by the moves: :1.
Larsen's Opening Larsen's Opening (also called the Nimzowitsch–Larsen Attack, Nimzo–Larsen Attack, or Queen's Fianchetto Opening) is a chess opening starting with the move: :1.
Latvian Gambit The Latvian Gambit is a chess opening characterised by the moves: :1.
London System The London System is a complex of related chess openings that begin with 1.d4 followed by an early Bf4.
Lopez Opening The Lopez Opening (or MacLeod Attack) is a chess opening characterized by the moves: :1.
Marshall Defense The Marshall Defense is a chess opening that begins with the moves: :1.
Mieses Opening The Mieses Opening is a chess opening that begins with the move: :1.
Modern Benoni The Benoni Defense is a group of chess openings generally characterized by the opening moves 1.d4 c5 2.d5 although Black's ...c5 and White's answer d5, are often delayed.
Modern Chess Openings Modern Chess Openings is an important reference book on the chess openings, first published in 1911 by the British players Richard Clewin Griffith and John Herbert White.
Modern Defense The Modern Defense (also known as the Robatsch Defence after Karl Robatsch) is a hypermodern chess opening in which Black allows White to occupy the center with pawns on d4 and e4, then pr...
Poisoned Pawn Variation The Poisoned Pawn Variation is any of several series of opening moves in chess in which a pawn is said to be "poisoned" because its capture can result in a positional disadvantage or loss of mat...
Polish Defense The Polish Defense is the name commonly given to one of several sequences of chess opening moves characterized by an early ...b5 by Black.
Ponziani Opening The Ponziani Opening is a chess opening that begins with the moves: :1.
Portuguese Opening The Portuguese Opening is a chess opening that begins with the moves: :1.
Queen's Gambit The Queen's Gambit is a chess opening that starts with the moves: :1.
Sicilian Defence, Chekhover Variation The Sicilian Defence, Chekhover Variation (also sometimes called the Szily Variation or Hungarian Variation) is a chess opening named after Vitaly Chekhover, from the game Chekhover–...
Sicilian Defence, Scheveningen Variation In the opening of a game of chess, the Scheveningen Variation of the Sicilian Defence is a line of the Open Sicilian characterized by Black setting up a "small center" with pawns on d6 and e6.
Two Knights Defense, Max Lange Attack The Max Lange Attack is a chess opening that can arise from many different opening lines, including the Two Knights Defense, Petroff's Defense, Scotch Gambit, Bishop's Opening, Center Game, and ...
Wade Defence The Wade Defence is a chess opening characterised by the initial moves: :1.
Ware Opening The Ware Opening (or Meadow Hay Opening) is an uncommon chess opening for White beginning with the move: : 1.
Wayward Queen Attack The Wayward Queen Attack (also known as the Parham Attack, Danvers Attack, Patzer Opening, Queen, Kiddy, or Queen's Excursion) is a chess opening characterized by the mo...
Wing Gambit In chess, Wing Gambit is a generic name given to openings in which White plays an early b4, deflecting an enemy pawn or bishop from c5 so as to regain control of d4, an important central square.
Zukertort Opening The Zukertort Opening is a chess opening that begins with the move: :1.