Individual Calculations January 2013
 Abraham, Renjish  Total change: -4.20  Rating chartPersonal card
 2012 Fall Tuesday Night Marathon San Francisco, California USA 2012-10-16
RcRownchangeKK*chgGame
 1773 1890 1.00 2 -0.28 15 -4.20 
  Watson, Farid 1923 USA0.001-0.4515-6.75 
  Mar, Henry 1622 USA1.0010.17152.55 

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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