Individual Calculations January 2011
 Humrana, Mostafa  Total change: -21.00  Rating chartPersonal card
 12th Arab Clubs Championship 2010 Aden YEM 2010-12-12
RcRownchangeKK*chgGame
 2141 2079 2.50 8 -0.84 25 -21.00 
  Fahmi, Amjad 2000 YEM1.0010.39259.75 
  Mahmoud, Abdelrahman 2110 JOR0.001-0.4625-11.50 
  Kolin, Shahin 2178 SYR0.001-0.3625-9.00 
  Khaled, Lakki c1896 PLE1.0010.26256.50 
  Ben Nasser, Khaled f2248 LBA0.001-0.2825-7.00 
  Ahmed, Abdul Sattar Abdulwhhab f2309 IRQ0.001-0.2125-5.25 
  Gameel, Mohamed f2217 YEM0.001-0.3125-7.75 
  Dorbane, Khaled 2172 ALG0.5010.13253.25 

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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