Individual Calculations April 2009
 Efimov, Vladimir  Total change: 0.90  Rating chartPersonal card
 Moscow Winter open 2008 Moscow RUS 2008-11-30
RcRownchangeKK*chgGame
 2120 1958 1.00 3 0.06 15 0.90 
  Erzhanov, Arman f2307 RUS0.001-0.1115-1.65 
  Bobrov, Yury 2169 RUS0.001-0.2315-3.45 
  Keze, Arnis 1883 RUS1.0010.40156.00 

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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