Individual Calculations September 2009
 Illi, Hans-Joerg  Total change: -9.45  Rating chartPersonal card
 Jubilee Open Master 2009 Zurich SUI 2009-08-09
 2174 2132 2.50 7 -0.63 15 -9.45 
  Saptarshi, Roy m2413 IND0.001-0.1615-2.40 
  Marentini, Marcel 1841 SUI1.0010.15152.25 
  Kniest, Oliver f2305 GER0.001-0.2715-4.05 
  Mikavica, Mirko 2208 SRB0.5010.10151.50 
  Tereick, Benjamin f2378 GER0.001-0.1915-2.85 
  Zeiler, Klaus 2068 GER0.501-0.0915-1.35 
  Koch, Hermann H. 2006 SUI0.501-0.1715-2.55 

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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