Individual Calculations January 2014
 Yasser, Mark  Total change: 78.30  Rating chartPersonal card
 Egyptian Chess Open 2013 ( Part 1) Cairo EGY 2013-11-24
RcRownchangeKK*chgGame
 2092 1799 4.50 8 3.25 30 97.50 
  Ibrahim, Waleed 2031 EGY1.0010.793023.70 
  Ragaa, Hassan 2083 EGY1.0010.843025.20 
  Rahman, Yehya m2199  * EGY0.001-0.0830-2.40 
  Mohamed Ahmed, Esam 2111 EGY0.5010.363010.80 
  Morsy, Elsayed 2047 EGY1.0010.813024.30 
  Sabry, Taher 2067 EGY1.0010.833024.90 
  Abd El Fatah, Reda Fadel 2121 EGY0.001-0.1330-3.90 
  Shafek, Mohamed 2077 EGY0.001-0.1730-5.10 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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)
 
NOTE: K factor changed
 World Youth Chess Championship 2013. Open U14 Al Ain UAE 2013-12-18
RcRownchangeKK*chgGame
 1814 1799 2.50 8 -1.28 15 -19.20 
  Thybo, Jesper Sondergaard 2147 DEN0.001-0.1115-1.65 
  Sevgi, Volkan 2007 TUR0.001-0.2315-3.45 
  Djurhuus, Eivind X 1978 NOR0.001-0.2715-4.05 
  Vaitsiakhouski, Yauheni 1540 BLR1.0010.18152.70 
  Zhao, Juncheng 1963 CHN0.001-0.2815-4.20 
  Ip, Seng Tou 1399  * MAC1.0010.08151.20 
  Catur, Adi Sagita c1879 INA0.001-0.3915-5.85 
  Roos, Daniel 1597 SWE0.501-0.2615-3.90 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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