Individual Calculations January 2011
 Eng, Randel  Total change: -4.50  Rating chartPersonal card
 46th Annual American Open Los Angeles, California USA 2010-11-25
RcRownchangeKK*chgGame
 2283 1977 0.00 2 -0.30 15 -4.50 
  Abrahamyan, Tatev wf2355 USA0.001-0.0915-1.35 
  Steinfl, Alessandro 2211 ITA0.001-0.2115-3.15 

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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