Individual Calculations November 2017
 Radikoro, Boitumelo  Total change: -8.60  Rating chartPersonal card
 2017 Debtswana Development Botswana Open Chess Championship-ladies Gaborone BOT 2017-09-29
RcRownchangeKK*chgGame
 1542 1596 3.50 7 -0.43 20 -8.60 
  Lone, Olefile 1287 BOT1.0010.14202.80 
  Francis, Onkemetse wm1823 BOT0.001-0.2120-4.20 
  Marape, Naledi wc1453 BOT0.501-0.1920-3.80 
  Sethebe, Susan 1318 BOT1.0010.17203.40 
  Ndachipiwa, Kgomotso 1605 BOT0.001-0.4920-9.80 
  Mbo, Mabedi 1522 BOT1.0010.40208.00 
  Lopang, Tshepiso wm1789 BOT0.001-0.2520-5.00 

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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