Individual Calculations September 2012
 Hilby, Craig  Total change: -3.30  Rating chartPersonal card
 2012 Barber K - 8 Championship Vancouver, Washington USA 2012-08-04
RcRownchangeKK*chgGame
 2025 1956 1.00 3 -0.22 15 -3.30 
  Feng, Roland 2085 USA0.5010.17152.55 
  Tang, Andrew 2065 USA0.001-0.3515-5.25 
  Li, Zhaozhi 1924 USA0.501-0.0415-0.60 

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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