Individual Calculations July 2009
 Shapiro, Jonathan  Total change: -20.25  Rating chartPersonal card
 2009 UMBC Open - Alvin S Mintzes Chess Tournament Catonsville, Maryland USA 2009-03-28
RcRownchangeKK*chgGame
 2152 1967 0.00 3 -0.81 25 -20.25 
  Uesugi, Shinsaku 2243 JPN0.001-0.1725-4.25 
  Low, Scott T 2163 USA0.001-0.2525-6.25 
  Harris, Ian 2050 USA0.001-0.3925-9.75 

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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