Individual Calculations February 2019
 Morales Zumbado, Raul  Total change: 1.20  Rating chartPersonal card
 Abierto Internacional Metropolitano B 2018 San Jose CRC 2018-12-26
 1408 1132 1.00 5 0.03 40 1.20 
  Hidalgo Barrantes, Mario Alberto 1532  * CRC0.001-0.0840-3.20 
  Castro Garcia, Ileana wc1496 CRC0.001-0.1040-4.00 
  Gomez Rivera, Felipe 1116 CRC0.501-0.0240-0.80 
  Rodriguez Sanchez, Mauricio 1474 CRC0.5010.384015.20 
  Leon Villalobos, Carlos Andres 1423 CRC0.001-0.1540-6.00 
 * 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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