Individual Calculations July 2009
 Gad, Ahmad  Total change: 11.50  Rating chartPersonal card
 CP Cosenza Aieta ITA 2009-04-09
RcRownchangeKK*chgGame
 1725 1944 2.00 2 0.46 25 11.50 
  Paragliola, Gennaro 1635 ITA1.0010.14253.50 
  Rizzuti, Pasquale 1814 ITA1.0010.32258.00 

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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