Individual Calculations October 2013
 Ruddell, Solomon  Total change: 12.00  Rating chartPersonal card
 35th Annual Southern California Open San Diego, California USA 2013-08-31
RcRownchangeKK*chgGame
 2199 2136 2.50 5 0.40 30 12.00 
  Watson, John L m2333 USA1.0010.753022.50 
  Brown, Michael W 2249 USA0.001-0.3530-10.50 
  Cardona, Liulia wf2152 CUB0.5010.02300.60 
  Davidson, Kevin 2249 USA0.001-0.3530-10.50 
  Zaloznyy, Mike 2011 USA1.0010.33309.90 

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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