Individual Calculations August 2012
 Vigorito, David  Total change: 2.20  Rating chartPersonal card
 2012 Nashua Open Nashua, New Hampshire USA 2012-07-14
RcRownchangeKK*chgGame
 2202 2422 2.50 3 0.22 10 2.20 
  Sharp, Dale Eugene 2030 USA1.0010.08100.80 
  Castaneda, Nelson f2266 USA0.501-0.2110-2.10 
  Fang, Joseph H m2311 USA1.0010.35103.50 

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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