Rapid: Individual Calculations October 2017
 Ashraf Arafat, Amro  Total change: -31.20  Rating chartPersonal card
 9th Gharbia Rapid Chess Tournament Elmahalla EGY 2017-09-03
RcRownchangeKK*chgGame
 1497 1680 2.00 5 -1.56 20 -31.20 
  Ahmed, Tamer 2080  * EGY0.001-0.0820-1.60 
  Nyazi, Nadeen 1280  * EGY0.001-0.9220-18.40 
  Atef, Kholood 1310 EGY1.0010.10202.00 
  Reda, Ramy 1375 EGY0.001-0.8620-17.20 
  Abo Kamil, Mohamed Abbas 1442 EGY1.0010.20204.00 
 * 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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