Individual Calculations February 2014
 Widener, Andrew J  Total change: -13.80  Rating chartPersonal card
 2013 PanAmerican Intercollegiate Chess Championship Lubbock, Texas USA 2013-12-27
 2062 2038 1.00 4 -0.92 15 -13.80 
  Cornejo, Max m2365 PER0.001-0.1315-1.95 
  Richter, Alex 2009 USA1.0010.46156.90 
  Ivanov, Mike 2076 CAN0.001-0.4515-6.75 
  Su, Dion 1798 USA0.001-0.8015-12.00 

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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