Individual Calculations July 2013
 Marmont, Benjamin  Total change: -8.55  Rating chartPersonal card
 2013 National Open - U2200 Section Las Vegas, Nevada USA 2013-06-07
RcRownchangeKK*chgGame
 1917 2140 1.00 2 -0.57 15 -8.55 
  Eswaran, Ashritha 1893 USA0.501-0.3115-4.65 
  Wang, Yuan 1940 USA0.501-0.2615-3.90 

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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