3 Terms
Contributors in Chess
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 ...
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 ...
