Individual Calculations December 2018
 Dourerassou, Jonathan  Total change: -3.20  Rating chartPersonal card
 Team 2019 - Nationale 1 r3-4 FRANCE FRA 2018-11-17
 2356 2474 1.00 2 -0.32 10 -3.20 
  Lerch, Patrice m2379 FRA1.0010.37103.70 
  Belenkaya, Dina wg2333 RUS0.001-0.6910-6.90 

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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