Individual Calculations May 2013
 Hua, Margaret M  Total change: -13.95  Rating chartPersonal card
 2013 Bill Wright Saint Louis Open St Louis, Missouri USA 2013-04-12
 2108 1955 0.00 3 -0.93 15 -13.95 
  Kavutskiy, Konstantin f2265 USA0.001-0.1415-2.10 
  Holliman, Bob 2003 USA0.001-0.4315-6.45 
  McLaughlin, James 2056 USA0.001-0.3615-5.40 

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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