Individual Calculations July 2008
 Weidemann, Christian  Total change: -4.80  Rating chartPersonal card
 NRW Regionalliga 2007/08 different in NRW GER 2007-09-23
RcRownchangeKK*chgGame
 2321 2300 3.00 7 -0.32 15 -4.80 
  Happel, Heiner 2247 GER0.501-0.0715-1.05 
  Van Der Wiel, John g2487 NED0.001-0.2615-3.90 
  Viebahn, Dirk 2177 GER0.501-0.1715-2.55 
  Dahm, Jochen 2272 GER1.0010.46156.90 
  Frohne, Gerd 2177 GER0.501-0.1715-2.55 
  Erwich, Marc m2416 NED0.5010.16152.40 
  Hort, Vlastimil g2471 GER0.001-0.2715-4.05 

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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