Individual Calculations April 2009
 Somoff, Abdo  Total change: -18.15  Rating chartPersonal card
 Asian Club Cup Al Ain UAE 2008-12-25
RcRownchangeKK*chgGame
 2082 2283 2.50 5 -1.21 15 -18.15 
  Shbaita, Ahmed 2017 PLE0.501-0.3215-4.80 
  Waqar, Ahmad Madni 2051 PAK0.001-0.7915-11.85 
  Zozek, Salah 2222 IRQ0.001-0.5815-8.70 
  Madhav, P Pradhan 1933 NEP1.0010.11151.65 
  Elbaba, Ezat 2186 SYR1.0010.37155.55 

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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