Individual Calculations July 2015
 Corvera Choi, Kemos  Total change: -5.20  Rating chartPersonal card
 North American Youth Chess Festival 2015 U12 Open Toluca, Estado de Mexico MEX 2015-05-27
 1547 1598 1.00 2 -0.13 40 -5.20 
  Rodrigue-Lemieux, Shawn 1668 CAN0.001-0.4040-16.00 
  Astudillo Cuevas, Raziel 1425 MEX1.0010.274010.80 

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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