Individual Calculations September 2009
 Potterat, Marc  Total change: -16.80  Rating chartPersonal card
 2. Rosen-Open Rapperswil SUI 2009-07-03
RcRownchangeKK*chgGame
 2112 2172 2.00 4 -0.28 15 -4.20 
  Gobbo, Francesco 1932 ITA1.0010.20153.00 
  Habibi, Ali m2308 GER0.001-0.3215-4.80 
  Schweizer, Robert 1940 SUI1.0010.21153.15 
  Wyss, Jonas 2269 SUI0.001-0.3715-5.55 

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)
 
 Jubilee Open Master 2009 Zurich SUI 2009-08-09
RcRownchangeKK*chgGame
 2145 2172 4.00 9 -0.84 15 -12.60 
  Riff, Jean-Noel m2505 FRA0.001-0.1215-1.80 
  Koch, Hermann H. 2006 SUI0.001-0.7215-10.80 
  Martig, Markus 2087 SUI1.0010.38155.70 
  Reich, Nathanael 1938 SUI1.0010.21153.15 
  Nikolova, Adriana wm2316 BUL0.001-0.3115-4.65 
  Stoeri, Simon 1974 SUI1.0010.24153.60 
  Maeser, Fabian f2307 SUI0.001-0.3215-4.80 
  Elsener, Mirko 1908 SUI1.0010.18152.70 
  Gonzales, Diaz Julio 2260 ESP0.001-0.3815-5.70 

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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