Individual Calculations March 2012
 Del Castilho, Martyn  Total change: -4.65  Rating chartPersonal card
 2011 Pan American Intercollegiate Chess Tournament Fort Worth, Texas USA 2011-12-27
RcRownchangeKK*chgGame
 2261 2181 0.50 2 -0.31 15 -4.65 
  Quan, Zhe m2427 CAN0.5010.31154.65 
  Zheng, Haotian 2095 USA0.001-0.6215-9.30 

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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