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This is a list of chess openings, organised by the Encyclopaedia of Chess Openings (ECO) code classification system.The chess openings are categorised into five broad areas ("A" through "E"), with each of those broken up into one hundred subcategories ("00" through "99").
The example below is for the opening position, so no moves are shown in the heading. The first row provides the move numbers with subsequent rows representing different variations. Since the initial position is not always the opening position, these numbers will not always start at "1." White half-moves are shown above black half-moves.
The facing (or lay) is a curved section that leaves the flat table and continues to the tip of the mouthpiece. The length of a facing—defined as the distance from the tip of the mouthpiece to the point where the reed and mouthpiece meet—can vary. [2] Different facing lengths have different response properties.
The Encyclopaedia of Chess Openings (ECO) is a reference work describing the state of opening theory in chess, originally published in five volumes from 1974 to 1979 by the Yugoslavian company Šahovski Informator (Chess Informant). It is currently undergoing its fifth edition.
Since 1980, there have been other one-volume opening encyclopedias to rival MCO: Batsford Chess Openings (BCO) in 1982 and 1989, and Nunn's Chess Openings (NCO) in 1999. John Watson wrote that MCO-13 "really isn't up to modern expectations", [ 3 ] but called MCO-14 "a vast improvement over its predecessor No. 13 in almost every respect" and ...
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The first master strength player to experiment with Hippopotamus-type structures appears to have been the Slovak International Master Maximilian Ujtelky. [2] The opening first came to public prominence, however, after being adopted twice by Boris Spassky in his 1966 World Championship match against Tigran Petrosian [3] [4] (after which the setup was dubbed the "Hippopotamus" by commentators).
The tri-tip sirloin and flank steak can be great for grilling and should be cut against the grain. The sheer number of steak options at a grocery store can be overwhelming, with a myriad of ...