Individual Calculations July 2009
 Prein, Michael, Dr.  Total change: 1.00  Rating chartPersonal card
 NRW-Klasse Gruppe 2 Duesseldorf GER 2008-09-21
RcRownchangeKK*chgGame
 2216 2137 2.00 5 0.04 25 1.00 
  Pinnel, Peter 2136 GER0.5010.00250.00 
  Muhren, Willem 2222 NED1.0010.622515.50 
  Quelle, Helmut 2184 GER0.001-0.4325-10.75 
  Van Dijk, Timon 2256 NED0.5010.16254.00 
  Bayer, Ernst-Wolfgang f2280 GER0.001-0.3125-7.75 

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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