Individual Calculations November 2023
 Graells, Christian  Total change: 0.60  Rating chartPersonal card
 Open 13 2023-24 r1-2 VITROLLES FRA 2023-09-30
RcRownchangeKK*chgGame
 1381 1369 1.00 2 0.03 20 0.60 
  Porte, Jacques 1174 FRA1.0010.25205.00 
  Boukhfif, Tarik 1588 FRA0.001-0.2220-4.40 

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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