Blitz: Individual Calculations August 2017
 Duran Vega, Sergio  Total change: 12.20  Rating chartPersonal card
 Torneo Blitz Touch Costa Rica San Jose CRC 2017-06-28
 1951 2299 8.50 9 0.61 20 12.20 
  Segura Cordero, Ariel 1899  * CRC1.0010.08201.60 
  Zeledon Perez, Edgar 1899  * CRC1.0010.08201.60 
  Carvajal Pena, Daniel 1899  * CRC1.0010.08201.60 
  Urbina Quiroz, Edwin 2118 CRC0.501-0.2420-4.80 
  Salazar Gould, Melanie wf1899  * CRC1.0010.08201.60 
  Ramirez Gonzalez, Mauricio f2145 VEN1.0010.29205.80 
  Mendez Reyes, Oscar 1899  * CRC1.0010.08201.60 
  Quesada Campos, Jordi Alessandre c1899  * CRC1.0010.08201.60 
  Nunez Okubo, Isao c1899  * CRC1.0010.08201.60 
 * 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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