Individual Calculations January 2009
 Chahrani, Ibrahim  Total change: -27.90  Rating chartPersonal card
 Olympiad Dresden Open Dresden GER 2008-11-12
RcRownchangeKK*chgGame
 2278 2314 3.00 9 -1.86 15 -27.90 
  Mok, Tze-Meng f2308 MAS0.001-0.5115-7.65 
  Hernandez, Juan C 2015 HON1.0010.15152.25 
  Abdulla, Al-Rakib g2522 BAN0.001-0.2315-3.45 
  Oyunbaatar, Tumendemberel 2306 MGL0.001-0.5115-7.65 
  Barsov, Alexei g2513 UZB0.001-0.2415-3.60 
  Gebregziabher, Brehane Gebre Mi 2073 ETH1.0010.20153.00 
  Campero, Ronald f2255 BOL0.001-0.5815-8.70 
  Mehmeti, Dritan m2403 ALB0.001-0.3815-5.70 
  Borg, Andrew 2111 MLT1.0010.24153.60 

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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