Individual Calculations June 2017
 Hack, Richard  Total change: 2.80  Rating chartPersonal card
 Spring 2017 Tuesday Night Marathon San Francisco, California USA 2017-03-14
RcRownchangeKK*chgGame
 1725 1656 1.00 2 0.14 20 2.80 
  Vickers, Keith 1959 USA0.001-0.1420-2.80 
  Harris, Clarence 1490 USA1.0010.28205.60 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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