Blitz: Individual Calculations December 2019
 Rodriguez Retana, Sofia  Total change: 12.80  Rating chartPersonal card
 Campeonato Panamericano Amateur Blitz U2300 2019 San Jose CRC 2019-10-25
 1479 1233 2.50 8 0.64 20 12.80 
  Ugarte, Reinaldo c1633  * PAN0.001-0.0820-1.60 
  Quesada Leon, Joshua 1582 CRC0.001-0.1120-2.20 
  Cardenas Vargas, Jean Carlo 1518 CRC1.0010.842016.80 
  Segura Cordero, Ariel 1472 CRC0.5010.30206.00 
  Chaves Moya, Nattanahel Alberto 1633  * CRC0.001-0.0820-1.60 
  Semana Ramirez, Jerian 1198 CRC0.001-0.5520-11.00 
  Mayorga Araya, Sofia 1159 CRC1.0010.40208.00 
  Aponte Gomez, Edgar Patricio 1633  * PER0.001-0.0820-1.60 
 * 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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