Individual Calculations January 2011
 Williams, Jeff  Total change: 24.00  Rating chartPersonal card
 2nd Thanksgiving FIDE Open Stillwater, Oklahoma USA 2010-11-20
RcRownchangeKK*chgGame
 2025 1743 1.50 3 0.96 25 24.00 
  Orton, Bill 2143  * USA0.5010.422510.50 
  Chikkala, Srikar 1878 USA1.0010.682517.00 
  Claassen, Chris 2054 USA0.001-0.1425-3.50 
 * 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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