Individual Calculations September 2010
 Harris, Neal D  Total change: -4.20  Rating chartPersonal card
 38th Annual World Open - U2400 Section King of Prussia, Pennsylvania USA 2010-06-29
 2175 2134 1.50 4 -0.28 15 -4.20 
  Barnett, Alexander 2246 USA0.5010.15152.25 
  Aliyev, Timur 2218 ISR0.001-0.3815-5.70 
  Marsh, Matthew L 2136 USA0.001-0.5015-7.50 
  De Fotis, Gary C 2098 USA1.0010.45156.75 

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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