Blitz: Individual Calculations August 2017
 Urbina Quiroz, Edwin  Total change: -0.40  Rating chartPersonal card
 Torneo Blitz Touch Costa Rica San Jose CRC 2017-06-28
 1854 2118 7.00 9 -0.02 20 -0.40 
  Guevara Cornejo, Gabriel 1718  * CRC1.0010.08201.60 
  Salazar Gould, Melanie wf1718  * CRC1.0010.08201.60 
  Bonilla Morales, Bryan 1718  * CRC1.0010.08201.60 
  Duran Vega, Sergio f2299 CRC0.5010.24204.80 
  Rojas Cisneros, Kevin 1850 CRC0.501-0.3320-6.60 
  Diaz Charpentier, Kristel Melissa 1718  * CRC1.0010.08201.60 
  Rivera Gonzalez, Jose Alexis 1754 CRC1.0010.10202.00 
  Ramirez Gonzalez, Mauricio f2145 VEN0.001-0.4620-9.20 
  Zeledon Perez, Edgar 1762 CRC1.0010.11202.20 
 * 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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