Individual Calculations July 2009
 Vertkin, Sergey  Total change: -17.70  Rating chartPersonal card
 11th Annual Foxwoods Open Mashantucket, Connecticut USA 2009-04-08
RcRownchangeKK*chgGame
 2150 2219 4.00 9 -1.18 15 -17.70 
  Perelshteyn, Eugene g2543 USA0.001-0.1315-1.95 
  Amarasinghe, Prashantha 1930 SRI1.0010.16152.40 
  Lee, Michael f2358 USA0.001-0.3115-4.65 
  McVay, Karsten A 1869 USA1.0010.11151.65 
  Rodriguez, Eric 2247 USA0.001-0.4615-6.90 
  Pamatmat, Jarod M 2008 USA1.0010.23153.45 
  Raghunathan, Yoges 1869 USA1.0010.11151.65 
  Yeager, Daniel A f2372 USA0.001-0.3015-4.50 
  Sapozhnikov, Roman 2152 CAN0.001-0.5915-8.85 

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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