Rapid: Individual Calculations July 2016
 Mangani, Happy  Total change: -31.40  Rating chartPersonal card
 Kayonde's U2100 Chess Challenge Lusaka ZAM 2016-06-25
RcRownchangeKK*chgGame
 1779 1882 1.50 5 -1.57 20 -31.40 
  Siamayuwa, Eric 1865 ZAM0.501-0.0220-0.40 
  Mulauzi, Joshua 1843 ZAM0.001-0.5520-11.00 
  Lyapa, Chisha 1845 ZAM0.001-0.5520-11.00 
  Mashane, Mary 1482  * ZAM0.001-0.9220-18.40 
  Ngulube, Stanley 1860 ZAM1.0010.47209.40 
 * 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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