Individual Calculations January 2014
 Urbina Quiroz, Edwin  Total change: 27.00  Rating chartPersonal card
 Liga Premier San Jose CRC 2013-11-28
 2237 2147 5.00 8 1.80 15 27.00 
  Duran Vega, Sergio f2267 CRC0.5010.16152.40 
  Ramirez, Alejandro g2547  * USA0.001-0.0815-1.20 
  Brenes Salgado, Juan Carlos 1971 CRC1.0010.27154.05 
  Solano Cuya, Bryan 2061 CRC1.0010.38155.70 
  Ortiz, Marcos 2208 NCA0.5010.08151.20 
  Angulo Cubero, Oscar 2087 CRC1.0010.42156.30 
  Kjartansson, Gudmundur m2455 ISL1.0010.861512.90 
  Quinonez Centeno, Carlos David f2303 GUA0.001-0.2915-4.35 
 * 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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