Individual Calculations August 2013
 Giannatos, Peter  Total change: 12.45  Rating chartPersonal card
 41srt Annual World Open - U 2400 Section Arlington, Virginia USA 2013-06-29
RcRownchangeKK*chgGame
 2217 2091 2.50 5 0.83 15 12.45 
  Knox, Christopher 2074 CAN0.501-0.0215-0.30 
  Wheeler, Cameron f2215 USA0.5010.17152.55 
  Dominguez, Jose m2302 DOM0.5010.27154.05 
  Gilden, Larry C f2300 USA1.0010.771511.55 
  Ng, Andrew 2194 USA0.001-0.3615-5.40 

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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