Individual Calculations May 2011
 Arpinon, Jack  Total change: 5.25  Rating chartPersonal card
 Team - Nationale 4 - R6 FRANCE FRA 2011-03-20
RcRownchangeKK*chgGame
 1769 1455 0.50 2 0.21 25 5.25 
  Marni-Sandid, Tarik 1700 FRA0.001-0.2025-5.00 
  Garcia, Thierry 1837 FRA0.5010.412510.25 

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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