Rapid: Individual Calculations August 2015
 Charles, Lwanga  Total change: -16.20  Rating chartPersonal card
 Nairobi Gymkhana National Rapid Chess Championships 2015. Nairobi KEN 2015-07-18
RcRownchangeKK*chgGame
 1903 1705 0.00 3 -0.81 20 -16.20 
  Ben, Magana c2091 KEN0.001-0.0920-1.80 
  Collins, Young 1859 KEN0.001-0.2920-5.80 
  James, Muchai 1758 KEN0.001-0.4320-8.60 

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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