Individual Calculations September 2009
 Beney, Eddy  Total change: -5.85  Rating chartPersonal card
 18. Open Int. de Martigny Martigny SUI 2009-07-31
RcRownchangeKK*chgGame
 1997 2117 1.50 3 -0.39 15 -5.85 
  Gerber, Richard m2388 SUI0.001-0.1715-2.55 
  Zaza, Ludovic 1745 SUI0.501-0.4015-6.00 
  Retti, Ivan 1859 SUI1.0010.18152.70 

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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