Individual Calculations December 2012
 Sadallah, Osama  Total change: -2.10  Rating chartPersonal card
 Unive Open 2012 Hoogeveen NED 2012-10-19
RcRownchangeKK*chgGame
 2199 2126 3.50 9 -0.14 15 -2.10 
  Vedder, Henk m2378 NED0.001-0.1915-2.85 
  Kolodkin, Daniil 1944 NED1.0010.26153.90 
  Lorscheid, Gerhard f2267 GER0.001-0.3115-4.65 
  Van Der Lende, Nathalie 1968 NED1.0010.29154.35 
  Padurariu, Ioana-Smaranda wm2236 ROU0.5010.15152.25 
  Timmermans, Ivo 2254 NED0.5010.17152.55 
  Van Der Poel, Henk f2306 NED0.5010.24153.60 
  Lindgren, Philip 2265 SWE0.001-0.3115-4.65 
  Veinberg, Nimrod 2170 ISR0.001-0.4415-6.60 

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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