Individual Calculations November 2009
 Newsom, Gary  Total change: -3.50  Rating chartPersonal card
 2009 North Carolina Class Championship Charlotte, North Carolina USA 2009-09-11
RcRownchangeKK*chgGame
 2255 2120 0.50 2 -0.14 25 -3.50 
  Simpson, Ronald f2304 USA0.001-0.2625-6.50 
  Potter, Russell 2206 USA0.5010.12253.00 

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)
 

 

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