Individual Calculations February 2014
 Ibarra, Luis Fernando  Total change: -22.90  Rating chartPersonal card
 23rd Annual North American Open - Open Section Las Vegas, Nevada USA 2013-12-26
RcRownchangeKK*chgGame
 2286 2489 4.50 9 -2.29 10 -22.90 
  Langer, Michael f2250 USA0.001-0.8010-8.00 
  Hilby, Craig 2123 USA1.0010.10101.00 
  Trujillo, Kevin Alejandro f2310 GUA1.0010.27102.70 
  Young, Gregory 2367 USA0.001-0.6710-6.70 
  Goldenberg, Ryan D 2303 USA0.001-0.7410-7.40 
  Ardaman, Miles F f2255 USA1.0010.21102.10 
  Adamson, Robby f2287 USA1.0010.24102.40 
  Del Campo, Roberto m2357 MEX0.501-0.1810-1.80 
  Shen, Arthur f2319 USA0.001-0.7210-7.20 

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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