Individual Calculations January 2020
 Osama Ramzy, Ramy  Total change: 28.40  Rating chartPersonal card
 Alexandria Open 2019 (less than 2000) Alexandria EGY 2019-12-21
RcRownchangeKK*chgGame
 1706 1741 5.00 8 0.71 40 28.40 
  Khalifa, Mohamed H 1423 EGY1.0010.13405.20 
  Elsayed, Islam 1951 EGY0.001-0.2340-9.20 
  Abdel Hameid, Zaki 1586 EGY1.0010.294011.60 
  Shoukry, Mohamed 1620 EGY1.0010.344013.60 
  Shehata, Ashraf 1916 EGY0.5010.23409.20 
  Ashraf, Yusef 1868 EGY0.5010.17406.80 
  Amer, Mohamed M. 1828 EGY0.001-0.3840-15.20 
  Abdel Raouf, Zyad 1454 EGY1.0010.16406.40 

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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