Individual Calculations August 2015
 Solomons, Deon  Total change: 0.20  Rating chartPersonal card
 South African Open Chess Championships 2015 Cape Town RSA 2015-07-03
 2025 2156 4.00 6 0.01 20 0.20 
  Lewis, Mark Mm. 1857 RSA0.501-0.3520-7.00 
  Oberholzer, Francois f1930 RSA0.501-0.2920-5.80 
  Baloyi, Siphiwe 1929 RSA1.0010.21204.20 
  Du Plessis, Heinco 2031 RSA1.0010.33206.60 
  Solomon, Kenny g2382 RSA0.001-0.2120-4.20 
  Willenberg, Craig Glen 2021 RSA1.0010.32206.40 

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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