Individual Calculations January 2020
 Casella, Michael  Total change: 14.20  Rating chartPersonal card
 55th Annual American Open Costa Mesa, California USA 2019-11-28
RcRownchangeKK*chgGame
 2221 2195 4.00 7 0.71 20 14.20 
  Akopian, Robert 1997 USA1.0010.24204.80 
  Xia, Brandon c2078 USA1.0010.34206.80 
  Van Kooten, Luuk f2277 NED0.5010.11202.20 
  Bryant, John m2419 USA1.0010.782015.60 
  Wheeler, Cameron m2373 USA0.001-0.2720-5.40 
  Sarkar, Justin m2360 USA0.001-0.2820-5.60 
  Wu, Derek 2040 USA0.501-0.2120-4.20 

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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