Individual Calculations December 2019
 Alexander, Roger K  Total change: -13.80  Rating chartPersonal card
 11th Annual Des Moines Classic Des Moines, Iowa USA 2019-11-16
RcRownchangeKK*chgGame
 1723 1660 1.00 4 -0.69 20 -13.80 
  Revesz, Gregory 1925 USA0.001-0.1820-3.60 
  Popov, Sergey 1577 USA0.001-0.6120-12.20 
  Volz, Michael 1775 USA1.0010.662013.20 
  Kroells, Ty 1616 USA0.001-0.5620-11.20 

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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