Individual Calculations July 2008
 Salid, Ibrahim  Total change: 17.70  Rating chartPersonal card
 5th Part of Egy League 2007/2008 Many Cites EGY 2008-04-01
RcRownchangeKK*chgGame
 2273 2078 1.00 2 0.50 15 7.50 
  Ismail, Hamed 2283 EGY0.5010.26153.90 
  Hamed, Ahmed m2262 EGY0.5010.24153.60 

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)
 
 Egyptian Championship 2008 Part 1 Cairo EGY 2008-04-19
RcRownchangeKK*chgGame
 2178 2078 2.50 5 0.68 15 10.20 
  Salah, Sayed 2188 EGY1.0010.65159.75 
  Lotfy, Abdel Rahman 2182 EGY1.0010.64159.60 
  Abo Zekry, Mohamed 2202 EGY0.5010.17152.55 
  Meged, Elsayed A 2160 EGY0.001-0.3915-5.85 
  Ismail, Youssef 2156 EGY0.001-0.3915-5.85 

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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