Individual Calculations May 2010
 Gobbetto, Jean-Claude  Total change: -19.95  Rating chartPersonal card
 Open de Niort - B Niort FRA 2010-04-03
RcRownchangeKK*chgGame
 1566 1696 0.00 2 -1.33 15 -19.95 
  Barre, Laurent 1467 FRA0.001-0.7915-11.85 
  Damour, Theo 1664 FRA0.001-0.5415-8.10 

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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