Individual Calculations September 2013
 Cotenescu, Daniel  Total change: -4.05  Rating chartPersonal card
 5. Vellmarer Schachtage Open B Vellmar GER 2013-07-25
RcRownchangeKK*chgGame
 1657 2000 1.50 2 -0.27 15 -4.05 
  Wastian, Jan 1620 GER0.501-0.4115-6.15 
  Pitz, Marko 1693 GER1.0010.14152.10 

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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