Individual Calculations September 2014
 Plotkin, Mark  Total change: 20.00  Rating chartPersonal card
 2014 North American Junior Kitchener CAN 2014-07-30
 2137 2036 3.50 8 0.50 40 20.00 
  Preotu, Razvan f2341 CAN0.5010.364014.40 
  Song, Edward 2258 USA0.001-0.2240-8.80 
  Liang, Hairan 1808 CAN1.0010.21408.40 
  Calugar, Arthur m2295 CAN1.0010.824032.80 
  Sapozhnikov, Roman f2299 CAN0.001-0.1840-7.20 
  Cao, Jason f2177 CAN0.001-0.3140-12.40 
  Zotkin, Daniel 1778 CAN1.0010.18407.20 
  Ivanov, Mike 2137 CAN0.001-0.3640-14.40 

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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