Individual Calculations July 2011
 Marshall, Abby S  Total change: 3.15  Rating chartPersonal card
 The New Yorker Open - Open Section New York, New York USA 2011-05-27
RcRownchangeKK*chgGame
 2279 2138 1.50 4 0.21 15 3.15 
  Pressman, Leif A 2230 USA0.5010.13151.95 
  Herman, Matthew J 2437 USA0.5010.35155.25 
  Korley, Kassa f2292 USA0.001-0.2915-4.35 
  Sena, Juan 2155 DOM0.5010.02150.30 

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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