Individual Calculations January 2018
 Ulloa Avellan, Oscar  Total change: 0.60  Rating chartPersonal card
 Abierto Metropolitano 2017 San Jose CRC 2017-12-09
RcRownchangeKK*chgGame
 1798 1850 4.00 7 0.03 20 0.60 
  Moran, Mike 1480 CRC1.0010.10202.00 
  Ramirez Valerio, Christian 1687 CRC0.501-0.2220-4.40 
  Nunez Gonzalez, Neeshmy wc1796 CRC0.501-0.0820-1.60 
  Solano Cruz, Agustin 1777 CRC1.0010.40208.00 
  Jimenez Sancho, Pedro Pablo 1844 CRC0.001-0.5120-10.20 
  Buitrago Mosquera, Antonio 1836 CRC1.0010.48209.60 
  Urbina Quiroz, Edwin 2163 CRC0.001-0.1420-2.80 

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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