Individual Calculations September 2009
 Sach, Tomas  Total change: -17.25  Rating chartPersonal card
 2. Rosen-Open Rapperswil SUI 2009-07-03
RcRownchangeKK*chgGame
 1918 1926 1.50 4 -0.52 15 -7.80 
  Schmuki, Roman 2021 SUI0.5010.13151.95 
  Paliwoda, Felix 1663 SUI0.001-0.8215-12.30 
  Arend, Michal 1858 SUI0.501-0.0915-1.35 
  Porras Campo, Ruben 2129 ESP0.5010.26153.90 

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 Allgemeines Turnier Zurich SUI 2009-08-09
RcRownchangeKK*chgGame
 1902 1926 2.00 5 -0.63 15 -9.45 
  Ljubotina, Lazo 1943 FRA0.5010.02150.30 
  Gehrig, Peter 2076 SUI0.001-0.3015-4.50 
  Kalkman, - De Koster Franzke 1674 NED1.0010.19152.85 
  Keller, Felix 1909 SUI0.501-0.0215-0.30 
  Paulus, Jeffrey 1910 GER0.001-0.5215-7.80 

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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