Individual Calculations September 2009
 Lang, Erich  Total change: 10.20  Rating chartPersonal card
 Jubilee Open Master 2009 Zurich SUI 2009-08-09
 2275 2162 3.50 8 0.68 15 10.20 
  Saptarshi, Roy m2413 IND0.001-0.1915-2.85 
  Reefschlaeger, Helmut Dr m2316 GER1.0010.711510.65 
  Novichkov, Valery m2377 RUS0.001-0.2315-3.45 
  Renaze, Luc f2305 FRA0.001-0.3115-4.65 
  Studer, Noel 1968 SUI1.0010.25153.75 
  Schoeneberg, Manfred f2305 GER0.5010.19152.85 
  Hitzler, Philipp 2269 GER0.5010.15152.25 
  Zuse, Klaus-Peter f2245 GER0.5010.11151.65 

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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