Individual Calculations January 2009
 Drei, Andrea  Total change: -14.10  Rating chartPersonal card
 FE 4 Ravenna Scacchi Lido Adriano ITA 2008-10-03
RcRownchangeKK*chgGame
 2138 2290 2.50 5 -0.94 15 -14.10 
  Lucchi, Lorenzo 2022 ITA1.0010.17152.55 
  Gruvaeus, Curt 2225 SWE0.501-0.0915-1.35 
  Salzano, Guido 1974 ITA1.0010.13151.95 
  Costantini, Roberto f2289 ITA0.001-0.5015-7.50 
  Andersen, Alf R. 2178 NOR0.001-0.6515-9.75 

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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