Individual Calculations September 2009
 Ketterer, Christian  Total change: -6.60  Rating chartPersonal card
 Jubilee Open Master 2009 Zurich SUI 2009-08-09
RcRownchangeKK*chgGame
 2222 2270 4.50 9 -0.44 15 -6.60 
  Van Overdam, Jan 1964 NED1.0010.14152.10 
  Vernay, Clovis m2463 FRA0.001-0.2515-3.75 
  Winkler, Stefan 1875 GER1.0010.08151.20 
  Zeller, Frank m2418 GER0.5010.20153.00 
  Vila, Gazquez Xavier m2457 ESP0.001-0.2615-3.90 
  Rahal, Michael A. m2367 ENG0.001-0.3715-5.55 
  Ditzler, Juerg 2106 SUI1.0010.28154.20 
  Danielmeier, Ralf 2173 GER0.501-0.1315-1.95 
  Bendel, Ralf 2175 GER0.501-0.1315-1.95 

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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