Individual Calculations February 2014
 Frank, Marty C  Total change: -27.30  Rating chartPersonal card
 46th Annual Liberty Bell Open Philadelphia, Pennsylvania USA 2014-01-17
 1964 2117 0.50 2 -0.91 30 -27.30 
  Opaska, Michael P 2010 USA0.001-0.6530-19.50 
  Sinha, Sahil 1918 USA0.501-0.2630-7.80 

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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