Rapid: Individual Calculations August 2018
 Marrero Calderin, Arturo  Total change: 2.40  Rating chartPersonal card
 Rene Portela - Rapidas 2018 La Habana CUB 2018-07-25
 1594 1575 2.00 4 0.12 20 2.40 
  De La Guardia Diaz, Susana Hilda 1951 CUB0.001-0.0920-1.80 
  Guerra Hernandez, Karla 1182 CUB1.0010.08201.60 
  Robert Zamora, Ernesto Eduardo 1697 CUB0.001-0.3320-6.60 
  Martos Hernandez, Chris Lazaro 1547 CUB1.0010.46209.20 

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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