Individual Calculations January 2020
 Lyapa , Chisha  Total change: 4.60  Rating chartPersonal card
 LPCA Open 2019 Lusaka ZAM 2019-12-20
RcRownchangeKK*chgGame
 1927 1862 3.50 8 0.23 20 4.60 
  Sumbulani, Chrispin 1954 ZAM1.0010.632012.60 
  Mayimbo, Clement 2031 ZAM0.001-0.2820-5.60 
  Mwape, William 2036 ZAM0.001-0.2720-5.40 
  Sauti, Harry 1640 ZAM1.0010.22204.40 
  Bloomfield, Harvey 1949 ZAM0.5010.12202.40 
  Swatu, Fandisha 1919 ZAM1.0010.582011.60 
  Mubanga, Chanda Patrick 1947 ZAM0.001-0.3820-7.60 
  Butanda, Benson 1939 ZAM0.001-0.3920-7.80 

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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