Individual Calculations January 2015
 Profit, Brian  Total change: -21.20  Rating chartPersonal card
 Hart House Holidays Open - U2200 Toronto CAN 2014-12-19
RcRownchangeKK*chgGame
 1934 1946 0.50 2 -0.53 40 -21.20 
  Southam, David 2040 CAN0.001-0.3740-14.80 
  Lei, Sean 1827 CAN0.501-0.1640-6.40 

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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