Individual Calculations March 2012
 Erdelyi, Tamas Dr  Total change: -9.20  Rating chartPersonal card
 Tradewise Chess Festival - Challengers B 2012 Gibraltar ENG 2012-01-28
RcRownchangeKK*chgGame
 1911 2157 1.50 3 -0.92 10 -9.20 
  Bucknell, Malcolm Gordon 1937 ENG0.501-0.2810-2.80 
  Gravett, Alan David 1931 ENG1.0010.21102.10 
  Wihlborn, Bengt 1866 SWE0.001-0.8510-8.50 

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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