Individual Calculations April 2019
 Robledo, Mark  Total change: -4.00  Rating chartPersonal card
 23rd Annual Mid-America Open St. Louis, Missouri USA 2019-03-22
RcRownchangeKK*chgGame
 1948 2004 1.50 3 -0.20 20 -4.00 
  Liu, Benjamin 1681 USA1.0010.13202.60 
  Colas, Joshua f2274 USA0.001-0.1720-3.40 
  Ulrich, Susanna 1889 USA0.501-0.1620-3.20 

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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