|Keyword Query:||Chess Elo Evolution|
|Interpretation:||You want to know how the Elo scoring system came into being and its development.|
Harkness Before Elo
Before the current Elo System became popular for scoring game results, there was the Harkness System, which was created by Glaswegian Kenneth Harkness and adopted by the US Chess Federation, during the 1950s.
Under the Harkness System, a player with a Lower Rating would score more points, for a Win against Higher Rated opponents.
The reverse was also true - a Higher Rated player would score fewer points, for a Win against Lower Rated opponents.
Elo Rating System
The name of this system also comes from its creator - Hungarian physicist, Arpad Elo.
The Elo Rating System, which was published in 1956, took over from the Harkness System, when it was a approved by the United States Chess Federation (USCF ), in 1960 and, finally, adopted by FIDE in 1970.
The Elo system was designed to show the overall "strength" of a player, while factoring in a Performance Rating following a player's participation in Chess Tournaments and other ranking events.
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KEYWORD: Chess Elo Evolution
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