Individual Calculations July 2009
 Magrini, Riccardo  Total change: -25.95  Rating chartPersonal card
 Europ. Senior Team Champ. Velden AUT 2009-04-05
RcRownchangeKK*chgGame
 2152 2194 0.50 4 -1.73 15 -25.95 
  Seyffarth, Renate 1979 GER0.501-0.2715-4.05 
  Chernikov, Oleg L g2388 RUS0.001-0.2515-3.75 
  Siegmund, Rainer 2140 GER0.001-0.5815-8.70 
  Reuben, Stewart c2102 ENG0.001-0.6315-9.45 

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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