Individual Calculations May 2010
 Zhou, Weiqi  Total change: 1.00  Rating chartPersonal card
 2009 Torch Real Estate Cup China Chess League Rounds 15-18 Yantai China CHN 2009-12-11
RcRownchangeKK*chgGame
 2643 2603 1.00 2 0.10 10 1.00 
  Wang, Hao g2708 CHN0.5010.14101.40 
  Zhao, Jun g2577 CHN0.501-0.0410-0.40 

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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