Individual Calculations March 2020
 Arenales F., Jose  Total change: -18.00  Rating chartPersonal card
 IRT Servicios Contables 2020 CAISSA Guatemala Guatemala GUA 2020-01-22
 1556 1387 1.00 5 -0.45 40 -18.00 
  Masaya, Alejandro 1750 GUA0.001-0.1040-4.00 
  Gramajo V., Juan Carlos 1545 GUA0.001-0.2940-11.60 
  Zuniga, Willy 1504 GUA0.001-0.3440-13.60 
  Zamora Ruiz, Victor A. 1483 GUA1.0010.634025.20 
  Rose, Sven 1496 GER0.001-0.3540-14.00 

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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