Individual Calculations September 2010
 Naby, Saiid A.  Total change: 15.75  Rating chartPersonal card
 Egyptian Cup 2010 Cairo EGY 2010-06-25
RcRownchangeKK*chgGame
 2281 2278 1.00 2 0.01 15 0.15 
  Moh. Abdel, Zaher 2256 EGY0.001-0.5315-7.95 
  Atea, Saad 2305 EGY1.0010.54158.10 

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)
 
 6th Assiut Open 2010 Assiut EGY 2010-07-31
RcRownchangeKK*chgGame
 2189 2284 6.00 8 1.04 15 15.60 
  Seif Elnasr, Alaa 2027 EGY0.501-0.3215-4.80 
  Ehab, Mohamed 1977 EGY1.0010.14152.10 
  Zayan, Osama 2223 EGY1.0010.42156.30 
  Hesham, Abdelrahman f2198 EGY1.0010.38155.70 
  Yousry, Salah 2322 EGY0.5010.05150.75 
  Mekki, Nagy 2264 EGY0.001-0.5315-7.95 
  Lotfy, Abdel Rahman 2161 EGY1.0010.33154.95 
  Sadek, Sameh 2336 EGY1.0010.57158.55 

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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