Individual Calculations January 2011
 Sonntag, Sven  Total change: 8.70  Rating chartPersonal card
 RAMADA Cup Halle Gruppe B Halle GER 2010-11-19
RcRownchangeKK*chgGame
 2015 1909 2.00 4 0.58 15 8.70 
  Zerfass, Otfried 2000 GER0.001-0.3815-5.70 
  Winnig, Bernd 2024 GER1.0010.66159.90 
  Ewald, Patrick 1963 GER0.5010.08151.20 
  Hentzgen, Thomas 2073 GER0.5010.22153.30 

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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