Individual Calculations August 2013
 Iwu, Okechukwu N  Total change: 3.90  Rating chartPersonal card
 41srt Annual World Open - U 2400 Section Arlington, Virginia USA 2013-06-29
RcRownchangeKK*chgGame
 2141 2161 5.00 9 0.26 15 3.90 
  Winter, Curtis A 1947 USA1.0010.23153.45 
  Sturt, Raven M 2279 USA0.001-0.3415-5.10 
  Peng, Jackie wf2011 CAN1.0010.30154.50 
  Akylbekov, Nasyr 2320 KGZ0.001-0.2915-4.35 
  Moon, Ryan Joseph 2173 USA1.0010.52157.80 
  Andrews, Todd D f2267 USA0.001-0.3615-5.40 
  Matlin, Anna R wc2052 USA1.0010.35155.25 
  Lowinger, Daniel 2147 USA0.001-0.5215-7.80 
  Marcelino, William 2069 USA1.0010.37155.55 

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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