Individual Calculations February 2018
 Kind, Michael  Total change: -31.20  Rating chartPersonal card
 2018 Portsmouth Open Portsmouth, New Hampshire USA 2018-01-13
RcRownchangeKK*chgGame
 2158 2059 0.00 2 -0.78 40 -31.20 
  Vigorito, David m2353 USA0.001-0.1540-6.00 
  Li, Jerry c1963 USA0.001-0.6340-25.20 

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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