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Chess

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Chess

Illegal position

Games; Chess

A position which is not the result of a series of legal moves. Thus, an illegal move necessarily leads to an illegal position. Other sources of illegal positions include: incorrect positioning of the ...

International Arbiter

Games; Chess

A title first awarded by FIDE in 1951. A candidate is nominated by his federation, and may be selected by the qualification committee if he: has a complete knowledge of the rules of chess and FIDE ...

International grandmaster

Games; Chess

Title established in 1950 and awarded by FIDE. FIDE has detailed requirements for the title, which is awarded to only the best players in the world. A player with a FIDE Grandmaster title, often ...

Norm

Games; Chess

The number of points a player in an international tournament must score to gain one qualification for a FIDE title. The weaker the tournament, the more points a player must score for any given norm.

National master (NM)

Games; Chess

Title granted by national federations to strong players, usually those with a sustained ELO rating of 2200 or above.

Median score

Games; Chess

A tie-breaking system applicable to Swiss tournaments. The scores of the opponents of each of the tied players are summed, first leaving out the highest and lowest scores. In tournaments with a large ...

Middlegame

Games; Chess

The phase of the game following the development, and the one in which much of the action takes place. With many pieces on the board and possibilities of attack on all sides, the King normally stays ...

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