Individual Calculations January 2014
 Chen, Felipe  Total change: 7.20  Rating chartPersonal card
 Panama Chess Open 3 Panama PAN 2013-10-30
RcRownchangeKK*chgGame
 2110 1807 1.00 5 0.24 30 7.20 
  Gavarrete, Nahum 2120 HON0.001-0.1430-4.20 
  Chinchilla Miranda, Eugenio f2191 CRC0.001-0.0930-2.70 
  Madrid, Gilberto 2046 PAN1.0010.803024.00 
  Aizpurua, Patrick f2149 PAN0.001-0.1230-3.60 
  Mazariegos, Silvia Carolina wm2042 GUA0.001-0.2130-6.30 

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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