Individual Calculations July 2009
 Bryant, Todd C  Total change: -1.95  Rating chartPersonal card
 2009 UMBC Open - Alvin S Mintzes Chess Tournament Catonsville, Maryland USA 2009-03-28
RcRownchangeKK*chgGame
 2274 2042 0.50 3 -0.13 15 -1.95 
  Battsetseg, Tsagaan wm2253 USA0.5010.27154.05 
  Barnett, Alexander 2233 USA0.001-0.2515-3.75 
  Yeager, Daniel A f2336 USA0.001-0.1515-2.25 

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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