Individual Calculations January 2014
 Vigorito, David  Total change: -11.30  Rating chartPersonal card
 2013 Newport Open Newport, Rhode Island USA 2013-12-21
RcRownchangeKK*chgGame
 2148 2422 0.50 2 -1.13 10 -11.30 
  Krasik, Ilya 2255 USA0.001-0.7210-7.20 
  Sage, J Timothy 2040 USA0.501-0.4110-4.10 

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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