Individual Calculations April 2015
 Botsoe, Koffi  Total change: -15.20  Rating chartPersonal card
 2015 Zone 4.4 Individual Chess Championships - Open Lome TOG 2015-03-14
RcRownchangeKK*chgGame
 1913 1536 0.00 4 -0.38 40 -15.20 
  Olape, Bunmi m1936  * NGR0.001-0.0840-3.20 
  Ebongue, Emile 1893 CMR0.001-0.1140-4.40 
  Kamara, Ansumana c1936  * SLE0.001-0.0840-3.20 
  Sekyere, Kwame Frimpong 1888 GHA0.001-0.1140-4.40 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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