Individual Calculations May 2017
 Chumfwa, Stanley  Total change: 44.20  Rating chartPersonal card
 2017 Zambia Open Chess Championship - Masters Section Lusaka ZAM 2017-03-29
RcRownchangeKK*chgGame
 2221 2243 7.00 9 2.21 20 44.20 
  Kameya, Robson 2122 ZAM0.501-0.1620-3.20 
  Chumfwa, Kelvin m2245 ZAM0.5010.00200.00 
  Munenga, Douglas D f2149 ZAM1.0010.37207.40 
  Kaoma, Micheal 2173 ZAM0.501-0.1020-2.00 
  Phiri, Richmond m2296 ZAM0.5010.07201.40 
  Daka, Justin 2164 ZAM1.0010.39207.80 
  Kabwe, Timothy 2159 ZAM1.0010.38207.60 
  Jere, Daniel m2386 ZAM1.0010.692013.80 
  Mwali, Chitumbo m2291 ZAM1.0010.572011.40 

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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