Individual Calculations July 2019
 Koopmans, Cees  Total change: -12.80  Rating chartPersonal card
 13th BPB Limburg Open 2019 Group A Maastricht NED 2019-06-07
RcRownchangeKK*chgGame
 2155 2118 2.50 7 -0.64 20 -12.80 
  Thanabalasingam, Ajandhan 1989 GER0.001-0.6720-13.40 
  Jansen, Dirk Norbert 2158 GER0.5010.06201.20 
  Wiley, Tom E f2178 ENG0.5010.08201.60 
  Schiffer, Stefan 2239 GER0.001-0.3420-6.80 
  Rybarczyk, Klaus 2214 GER0.5010.13202.60 
  Kemper, Meinolf 2121 GER0.5010.00200.00 
  Klapwijk, Bram 2188 NED0.5010.10202.00 

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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