Individual Calculations May 2010
 Bayer, Ernst-Wolfgang  Total change: 2.85  Rating chartPersonal card
 Oberliga NRW Bochum GER 2009-09-20
RcRownchangeKK*chgGame
 2210 2286 2.00 3 0.19 15 2.85 
  Korth, Daniel 2239 GER0.001-0.5715-8.55 
  Vogelmann, Peter 2264 GER1.0010.47157.05 
  Grobbel, Rainer, Dr. 2126 GER1.0010.29154.35 

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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