Individual Calculations January 2009
 Ding, Richard  Total change: 3.75  Rating chartPersonal card
 Los Angeles Open Los Angeles, CA USA 2008-10-31
RcRownchangeKK*chgGame
 2176 2120 1.00 2 0.15 25 3.75 
  Small, Gregg H 2240 USA0.5010.16254.00 
  Mokriak, Luidmila wm2112 UKR0.501-0.0125-0.25 

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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