Individual Calculations July 2010
 Wei, Yi  Total change: -3.75  Rating chartPersonal card
 Youngor Chinese Chess League Division A Rounds 1-6 Ningbo,Shenzhen CHN 2010-04-16
 2570 2244 0.00 2 -0.25 15 -3.75 
  Zhao, Jun g2575 CHN0.001-0.1215-1.80 
  Ding, Liren g2565 CHN0.001-0.1315-1.95 

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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