Individual Calculations May 2011
 Bossy, Arnim  Total change: -0.90  Rating chartPersonal card
 NRW-Klasse Gruppe 2 Bochum GER 2010-09-26
RcRownchangeKK*chgGame
 2295 2182 1.00 3 -0.06 15 -0.90 
  Ottens, Stephan 2223 GER0.5010.06150.90 
  Loseries, Uwe 2242 GER0.5010.08151.20 
  Forchert, Martin f2420 GER0.001-0.2015-3.00 

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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