Search results
Results from the WOW.Com Content Network
The openings were published in five volumes of ECO, with volumes labeled "A" through "E". This article uses algebraic notation to describe chess moves. This list is incomplete ; you can help by adding missing items .
1948 – The Ingo system is published and used by the West German Chess Federation. 1949 – The Harkness system is submitted to the USCF. The British Chess Federation adopts it later and uses it at least as late as 1967. [22] 1950 – The USCF starts using the Harkness system and publishes its first rating list in the November issue of Chess Life.
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. [1] Many opening sequences, known as openings, have standard names such as "Sicilian Defense".
Chess engines usually assign the king an arbitrary large value such as 200 points or more to indicate that the inevitable loss of the king due to checkmate trumps all other considerations. [9] During the endgame , as there is less danger of checkmate , the king will often assume a more active role.
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.
Chess opening theory books that provide these tables are usually quite large and difficult for beginners to use. Because the table entries typically do not include the themes or goals involved in a given line, beginners will either try to memorize the tables or simply drown in the detail.
The remaining semi-closed openings are uncommon. The Polish Defense has never been very popular but has been tried by Spassky, Ljubojević, and Csom, among others.The Queen's Knight Defense is an uncommon opening that often transposes to the Nimzowitsch Defence after 1.d4 Nc6 2.e4 or the Chigorin Defense after 2.c4 d5, although it can lead to unique lines, for example after 1.d4 Nc6 2.d5 or 2 ...
Chess is an abstract strategy board game for two players which involves no hidden information and no elements of chance.It is played on a square game board called a chessboard containing 64 squares arranged in an 8×8 grid.