Individual Calculations December 2017
 Casella, Michael  Total change: -30.20  Rating chartPersonal card
 53rd Annual American Open Costa Mesa, California USA 2017-11-23
RcRownchangeKK*chgGame
 2109 2245 2.50 6 -1.51 20 -30.20 
  Burrows, Brandon 2142 USA0.501-0.1420-2.80 
  Pan, Christopher 2041 USA0.501-0.2620-5.20 
  Eswaran, Ashritha wm2016 USA0.501-0.2920-5.80 
  Cigan, Jason 2048 USA1.0010.25205.00 
  Hevia Alejano, Carlos Antonio g2500 CUB0.001-0.1920-3.80 
  Narayanan, Samrug 1908 USA0.001-0.8820-17.60 

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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