Individual Calculations April 2009
 Walther, Alexander  Total change: 11.25  Rating chartPersonal card
 Open zur Schach-Olympiade 2008 Dresden GER 2008-11-21
RcRownchangeKK*chgGame
 2170 1999 1.00 2 0.45 25 11.25 
  Mantler, Hendrik 2168 GER0.001-0.2825-7.00 
  Asefi, Zaheeruddeen f2172 AFG1.0010.732518.25 

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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