Individual Calculations September 2010
 Curdo, John A  Total change: -2.40  Rating chartPersonal card
 60th New Hampshire Open Nashua, New Hampshire USA 2010-07-10
RcRownchangeKK*chgGame
 2388 2240 0.50 2 -0.16 15 -2.40 
  Kudrin, Sergey g2549 USA0.001-0.1415-2.10 
  Cherniack, Alex 2226 USA0.501-0.0215-0.30 

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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