Individual Calculations September 2011
 Demmery, Steve  Total change: -11.70  Rating chartPersonal card
 48th Canadian Open Chess Championship 2011 Toronto, Ontario CAN 2011-07-09
RcRownchangeKK*chgGame
 2128 2092 2.00 6 -0.78 15 -11.70 
  Serbanescu, Natasa 1829 CAN1.0010.18152.70 
  Samsonkin, Artiom m2378 CAN0.001-0.1615-2.40 
  Regan, Kenneth W. m2409 USA0.5010.37155.55 
  Sapozhnikov, Roman f2295 CAN0.001-0.2415-3.60 
  Ivanov, Mike 1934 CAN0.001-0.7115-10.65 
  Cao, Jason f1925 CAN0.501-0.2215-3.30 

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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