Individual Calculations April 2008
 Andretta, Carlos  Total change: 1.35  Rating chartPersonal card
 January 2008 Miami IM Invitational Miami, Florida USA 2008-01-02
RcRownchangeKK*chgGame
 2299 2206 3.50 9 0.09 15 1.35 
  Stopa, Jacek m2420 POL0.001-0.2315-3.45 
  Medina, Rodelay 2183 USA0.501-0.0315-0.45 
  Hecht, Eric 1941 USA1.0010.18152.70 
  Esserman, Marc 2257 USA0.001-0.4315-6.45 
  Lugo, Blas m2411 USA0.5010.26153.90 
  Otero, Evelio m2385 CUB0.5010.23153.45 
  Lopez, Bruci f2411 USA0.001-0.2415-3.60 
  Rodriguez, Eric 2267 USA1.0010.58158.70 
  Martinez, Marcel f2418 USA0.001-0.2315-3.45 

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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