Individual Calculations January 2021
 Rojas Ballena, Jose Luis  Total change: -2.40  Rating chartPersonal card
 Torneo Navideno IRT Garry Kasparov Santa Marta COL 2020-12-17
RcRownchangeKK*chgGame
 1759 1787 1.00 2 -0.06 40 -2.40 
  De Luque, Miguel Antonio 1999 COL0.001-0.2340-9.20 
  Bolanos Lopez, Juan Jacobo 1519 COL1.0010.17406.80 

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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