Individual Calculations May 2010
 Zhang, Melvin  Total change: -7.50  Rating chartPersonal card
 40th Annual World Amateur Team & US Tean East Parsippany, New Jersey USA 2010-02-13
RcRownchangeKK*chgGame
 2221 2219 0.50 2 -0.50 15 -7.50 
  Rubenchik, Rodion f2307 USA0.5010.12151.80 
  Shvartsman, Andrew c2134 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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