Individual Calculations April 2020
 Osorio Martinez, Anllel  Total change: -10.00  Rating chartPersonal card
 Maria Teresa Mora U12 Femenino 2020 La Habana CUB 2020-03-02
 1374 1173 0.50 3 -0.25 40 -10.00 
  Perez Garcia, Karla Maria 1475 CUB0.001-0.1540-6.00 
  Leal Estrada, Alejandra 1282 CUB0.001-0.3540-14.00 
  Perez Vinals, Naybel 1365 CUB0.5010.254010.00 

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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