Individual Calculations January 2012
 Van Kemenade, Rudy  Total change: 3.60  Rating chartPersonal card
 Welsh Chess Premier League Round 1-3 Various WLS 2011-10-08
RcRownchangeKK*chgGame
 2048 1961 1.00 2 0.24 15 3.60 
  Adams, Mark 2001 WLS0.001-0.4415-6.60 
  Brown, Thomas 2094 WLS1.0010.681510.20 

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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