Individual Calculations November 2017
 Sewelem, Ahmad S  Total change: 5.20  Rating chartPersonal card
 16eme Festival International d Echecs de Chefchaouen Chefchaouen FID 2017-07-25
RcRownchangeKK*chgGame
 1939 1983 3.50 6 0.26 20 5.20 
  Jdiyou, Mohamed 1597 MAR1.0010.09201.80 
  Nafri, Khalil c2252 MAR0.001-0.1720-3.40 
  Lakhdari, Boubker 1731 MAR1.0010.19203.80 
  Gabr, Mohsen f2298 EGY0.001-0.1420-2.80 
  Elmorjani, Elmokhtar 1642 MAR1.0010.12202.40 
  Bensaid, Abdelmouine 2112 BEL0.5010.17203.40 

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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