Individual Calculations July 2009
 Gardner, Robert  Total change: 28.20  Rating chartPersonal card
 2009 Alberta Closed Calgary CAN 2009-04-10
RcRownchangeKK*chgGame
 2326 2143 2.00 5 0.65 15 9.75 
  Hansen, Eric f2398 CAN0.001-0.1915-2.85 
  Pechenkin, Vladimir 2312 CAN0.001-0.2815-4.20 
  Reeve, Jeff 2241 CAN1.0010.63159.45 
  Huber, Gregory f2245 CAN1.0010.64159.60 
  Porper, Edward m2435 CAN0.001-0.1515-2.25 

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)
 
 Calgary International Chess Classic Calgary CAN 2009-05-14
RcRownchangeKK*chgGame
 2292 2143 4.00 9 1.23 15 18.45 
  Kustar, Sandor m2335 HUN0.001-0.2515-3.75 
  Ristovic, Nenad f2252 CAN0.5010.15152.25 
  Haessel, Dale f2203 CAN1.0010.58158.70 
  Peter, Steven 2264 CAN0.5010.16152.40 
  Pechenkin, Vladimir f2312 CAN0.001-0.2815-4.20 
  Huber, Gregory f2245 CAN1.0010.64159.60 
  Moloney, Nicholas 2210 ENG1.0010.59158.85 
  Porper, Edward m2435 CAN0.001-0.1515-2.25 
  O`Donnell, Tom m2370 CAN0.001-0.2115-3.15 

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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