Individual Calculations January 2017
 Richardson, Keith B  Total change: 14.20  Rating chartPersonal card
 OP 1 Roma citta' aperta Roma ITA 2016-12-04
RcRownchangeKK*chgGame
 2073 1987 4.00 8 0.71 20 14.20 
  Palermo, Stefano 2152 ITA1.0010.722014.40 
  Dahale, Atul 2122 IND0.001-0.3220-6.40 
  Kollars, Dmitrij m2387  * GER0.001-0.0820-1.60 
  Di Carlo, Adriano 1724 ITA1.0010.18203.60 
  Maisuradze, Nino wg2231 FRA0.001-0.2020-4.00 
  Carotenuto, Piero 1728 ITA1.0010.18203.60 
  Camacho Collados, Jose m2387  * KOR0.001-0.0820-1.60 
  Padroni, Marco 1849 ITA1.0010.31206.20 
 * 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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