Árpád Élo
Encyclopedia
Arpad Emrick Elo is the creator of the Elo rating system
for two-player games such as chess
. Born in Egyházaskesző
, Austro-Hungarian Empire, he moved to the United States
with his parents as a child in 1913.
Elo was a professor of physics
at Marquette University
in Milwaukee, Wisconsin
. He was also a chess master
. By the 1930s he was the strongest chess player in Milwaukee, one of the nation's leading chess cities. He won the Wisconsin State Championship eight times.
Elo died in Brookfield, Wisconsin
in 1992.
, the Business Manager of the United States Chess Federation
. By 1960, using the data developed through the Harkness Rating System, Elo developed his own formula which had a sound statistical basis and constituted an improvement on the Harkness System. The new rating system was approved and passed at a meeting of the United States Chess Federation in St. Louis
in 1960.
In 1970, FIDE, the World Chess Federation, agreed to adopt the Elo Rating System. From then on until the mid-1980s, Elo himself made the rating calculations. At the time, the computational task was relatively easy because fewer than 2000 players were rated by FIDE.
FIDE reassigned the task of managing and computing the ratings to others, excluding Elo. FIDE also added new "Qualification for Rating" rules to its handbook awarding arbitrary ratings (typically in the 2200 range, which is the low end for a chess master) for players who scored at least 50 percent in the games played at selected events, such as named Chess Olympiad
s. Elo and others objected to these new rules as arbitrary and politically-driven.
Elo rating system
The Elo rating system is a method for calculating the relative skill levels of players in two-player games such as chess. It is named after its creator Arpad Elo, a Hungarian-born American physics professor....
for two-player games such as chess
Chess
Chess is a two-player board game played on a chessboard, a square-checkered board with 64 squares arranged in an eight-by-eight grid. It is one of the world's most popular games, played by millions of people worldwide at home, in clubs, online, by correspondence, and in tournaments.Each player...
. Born in Egyházaskesző
Egyházaskeszo
Egyházaskesző is a village in Veszprém county, Hungary. The mathematician Arpad Elo was born there.-External links:*...
, Austro-Hungarian Empire, he moved to the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
with his parents as a child in 1913.
Elo was a professor of physics
Physics
Physics is a natural science that involves the study of matter and its motion through spacetime, along with related concepts such as energy and force. More broadly, it is the general analysis of nature, conducted in order to understand how the universe behaves.Physics is one of the oldest academic...
at Marquette University
Marquette University
Marquette University is a private, coeducational, Jesuit, Roman Catholic university located in Milwaukee, Wisconsin. Founded by the Society of Jesus in 1881, the school is one of 28 member institutions of the Association of Jesuit Colleges and Universities...
in Milwaukee, Wisconsin
Milwaukee, Wisconsin
Milwaukee is the largest city in the U.S. state of Wisconsin, the 28th most populous city in the United States and 39th most populous region in the United States. It is the county seat of Milwaukee County and is located on the southwestern shore of Lake Michigan. According to 2010 census data, the...
. He was also a chess master
Chess master
A chess master is a chess player of such skill that he/she can usually beat chess experts, who themselves typically prevail against most amateurs. Among chess players, the term is often abbreviated to master, the meaning being clear from context....
. By the 1930s he was the strongest chess player in Milwaukee, one of the nation's leading chess cities. He won the Wisconsin State Championship eight times.
Elo died in Brookfield, Wisconsin
Brookfield, Wisconsin
Brookfield is a city located in Waukesha County, Wisconsin, United States. It had a population of 37,920 in the 2010 census. Brookfield is the second largest city in Waukesha County, and the leading commercial suburb of Milwaukee. The City of Brookfield was formed in 1954 from the Town of...
in 1992.
The Elo rating system
Elo is best known for his system of rating chess players. The original chess rating system was developed in 1950 by Kenneth HarknessKenneth Harkness
Kenneth Harkness was a chess organizer. He is the creator of the Harkness rating system.-Life and career:...
, the Business Manager of the United States Chess Federation
United States Chess Federation
The United States Chess Federation is a non-profit organization, the governing chess organization within the United States, and one of the federations of the FIDE. The USCF was founded in 1939 from the merger of two regional chess organizations, and grew gradually until 1972, when membership...
. By 1960, using the data developed through the Harkness Rating System, Elo developed his own formula which had a sound statistical basis and constituted an improvement on the Harkness System. The new rating system was approved and passed at a meeting of the United States Chess Federation in St. Louis
St. Louis, Missouri
St. Louis is an independent city on the eastern border of Missouri, United States. With a population of 319,294, it was the 58th-largest U.S. city at the 2010 U.S. Census. The Greater St...
in 1960.
In 1970, FIDE, the World Chess Federation, agreed to adopt the Elo Rating System. From then on until the mid-1980s, Elo himself made the rating calculations. At the time, the computational task was relatively easy because fewer than 2000 players were rated by FIDE.
FIDE reassigned the task of managing and computing the ratings to others, excluding Elo. FIDE also added new "Qualification for Rating" rules to its handbook awarding arbitrary ratings (typically in the 2200 range, which is the low end for a chess master) for players who scored at least 50 percent in the games played at selected events, such as named Chess Olympiad
Chess Olympiad
The Chess Olympiad is a biennial chess tournament in which teams from all over the world compete against each other. The event is organised by FIDE, which selects the host nation.-Birth of the Olympiad:The first Olympiad was unofficial...
s. Elo and others objected to these new rules as arbitrary and politically-driven.