Individual Calculations February 2013
 Qin, Zi Yi Joey  Total change: 17.10  Rating chartPersonal card
 2013 Canadian Junior Ch Toronto, Ontario CAN 2012-12-26
 2233 2263 6.00 9 1.14 15 17.10 
  Wang, Richard m2370 CAN0.5010.15152.25 
  Song, Michael 2177 CAN0.501-0.1215-1.80 
  Preotu, Razvan 2109 CAN1.0010.29154.35 
  Sapozhnikov, Roman f2334 CAN1.0010.60159.00 
  Jiang, Louie f2328 CAN0.5010.09151.35 
  Chiku-Ratte, Olivier Kenta 2064 CAN1.0010.24153.60 
  Kraiouchkine, Nikita 2245 CAN0.001-0.5315-7.95 
  Szalay, Karoly 2159 CAN1.0010.36155.40 
  Kleinman, Michael f2307 CAN0.5010.06150.90 

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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