Individual Calculations May 2013
 Lenfant, Francois  Total change: 6.90  Rating chartPersonal card
 Team 2013 - Nationale 3 - R8-9 FRANCE FRA 2013-04-06
RcRownchangeKK*chgGame
 2025 2047 1.50 2 0.46 15 6.90 
  Lauret, Patrick 1777 FRA1.0010.17152.55 
  Boyd, Stephen f2273 FRA0.5010.29154.35 

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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