Individual Calculations September 2009
 Fruebing, Stefan  Total change: 31.65  Rating chartPersonal card
 Jubilee Open Master 2009 Zurich SUI 2009-08-09
 2398 2305 5.50 9 2.11 15 31.65 
  Vifian, Heinz 2032 SUI1.0010.17152.55 
  Bosiocic, Marin g2551 CRO0.001-0.1915-2.85 
  Lapp, Karl-Iversen 2145 SUI1.0010.29154.35 
  Brunner, Lucas g2480 SUI1.0010.731510.95 
  Gonzales, Garcia Jose g2509 MEX0.5010.26153.90 
  Fernandez, Garcia Jose Luis g2465 ESP0.5010.21153.15 
  Vera, Gonzales-Quevedo Reynaldo g2499 CUB0.5010.25153.75 
  Vila, Gazquez Xavier m2457 ESP0.5010.20153.00 
  Forster, Richard m2448 SUI0.5010.19152.85 

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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