Individual Calculations February 2015
 Henner, Peter  Total change: -11.80  Rating chartPersonal card
 2015 Portsmouth Open Portsmouth, New Hampshire USA 2015-01-17
 2084 1800 0.00 3 -0.59 20 -11.80 
  Vigorito, David m2200  * USA0.001-0.0820-1.60 
  Kelleher, William f2200  * USA0.001-0.0820-1.60 
  Yip, Carissa S 1851 USA0.001-0.4320-8.60 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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