Individual Calculations February 2020
 Orozco Centeno, Mariana  Total change: -9.20  Rating chartPersonal card
 Campeonato Nacional Infantil Sub16 Femenino 2020 Escazu CRC 2020-01-23
 1356 1210 1.50 5 -0.23 40 -9.20 
  Diaz Charpentier, Kristel Meliss 1610  * CRC0.001-0.0840-3.20 
  Villalta Leiton, Nicole Tamara 1150 CRC0.001-0.5840-23.20 
  Huaman Bengoa, Valeska Priscilla 1383 CRC0.5010.23409.20 
  Angulo Hernandez, Maria Jesus 1590 CRC0.001-0.0940-3.60 
  Rodriguez Nunez, Diana 1048 CRC1.0010.294011.60 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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