Individual Calculations November 2018
 Salifoglou, John Alexander  Total change: 5.60  Rating chartPersonal card
 Westford October Open Westford, Massachusetts USA 2018-10-06
 1989 1705 0.50 2 0.14 40 5.60 
  Vigorito, David m2105  * USA0.001-0.0840-3.20 
  Jin, Derek 1873 USA0.5010.22408.80 
 * 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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