Individual Calculations January 2011
 Benjamin, Richard  Total change: -28.50  Rating chartPersonal card
 Thanksgiving Open St. Louis, Missouri USA 2010-11-26
RcRownchangeKK*chgGame
 2000 2262 0.50 2 -1.14 25 -28.50 
  Cohen, Lawrence S 2016 USA0.501-0.3125-7.75 
  Smith, Frank H 1984 USA0.001-0.8325-20.75 

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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