Individual Calculations July 2011
 Laihonen, Petteri  Total change: -7.80  Rating chartPersonal card
 HUN Team Ch. Barcza Gr. Hungary (North-East) HUN 2010-09-12
RcRownchangeKK*chgGame
 2024 2256 1.00 2 -0.52 15 -7.80 
  Debreceni, Mate 1875 HUN0.501-0.4115-6.15 
  Toth, Gabor 2173 HUN0.501-0.1115-1.65 

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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