Individual Calculations July 2009
 Porper, Edward  Total change: 12.90  Rating chartPersonal card
 2009 Alberta Closed Calgary CAN 2009-04-10
RcRownchangeKK*chgGame
 2268 2435 4.00 5 0.43 10 4.30 
  Reeve, Jeff 2241 CAN1.0010.25102.50 
  Huber, Gregory f2245 CAN1.0010.25102.50 
  Pechenkin, Vladimir 2312 CAN1.0010.33103.30 
  Hansen, Eric f2398 CAN0.001-0.5510-5.50 
  Gardner, Robert 2143 CAN1.0010.15101.50 

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)
 
 Calgary International Chess Classic Calgary CAN 2009-05-14
RcRownchangeKK*chgGame
 2336 2435 6.50 9 0.86 10 8.60 
  Kaminski, Victor 2244 CAN1.0010.25102.50 
  O`Donnell, Tom m2370 CAN1.0010.41104.10 
  Castellanos, Renier m2446 ESP0.5010.02100.20 
  Kovalyov, Anton g2571 ARG0.001-0.3210-3.20 
  Kustar, Sandor m2335 HUN1.0010.36103.60 
  Pechenkin, Vladimir f2312 CAN1.0010.33103.30 
  Hansen, Eric f2398 CAN0.001-0.5510-5.50 
  Gardner, Robert J 2143 CAN1.0010.15101.50 
  Haessel, Dale f2203 CAN1.0010.21102.10 

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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