Rapid: Individual Calculations October 2021
 Roman Cardenas, Gerson Alberto  Total change: -13.40  Rating chartPersonal card
 I IRT de Ajedrez Copa Centro Comercial Alejandria Cucuta COL 2021-09-18
RcRownchangeKK*chgGame
 1648 1417 0.00 3 -0.67 20 -13.40 
  Molina Cruz, Jurgen Snaider 1513 VEN0.001-0.3720-7.40 
  Torres Silva, Jose Luis 1745 COL0.001-0.1320-2.60 
  Sierra Contreras, Alden Ronaldo 1686 COL0.001-0.1720-3.40 

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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