Individual Calculations July 2008
 Romanova, Inna  Total change: -11.25  Rating chartPersonal card
 NRW Oberliga 2007/08 different in NRW GER 2007-09-16
RcRownchangeKK*chgGame
 2196 2287 0.50 2 -0.75 15 -11.25 
  Meier, Jan 2182 GER0.501-0.1415-2.10 
  Mueller, Michael 2210 GER0.001-0.6115-9.15 

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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