Individual Calculations January 2012
 Peng, David T  Total change: -4.20  Rating chartPersonal card
 World Youth Chess Championship - U 08 Open Caldas Novas/GO BRA 2011-11-18
RcRownchangeKK*chgGame
 1869 1945 0.00 1 -0.60 30 -18.00 
  Ram, Aravind L N 1869 IND0.001-0.6030-18.00 

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)
 
 2011 Illinois Class - Class A Orland Park, Illinois USA 2011-12-10
RcRownchangeKK*chgGame
 1726 1945 2.00 2 0.46 30 13.80 
  Kosteris, Dimitri 1802 USA1.0010.31309.30 
  Sun, Abe 1650 USA1.0010.15304.50 

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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