Individual Calculations April 2019
 Samuels, Ethan  Total change: -45.20  Rating chartPersonal card
 South African Junior Closed Chess Championships 2019 (u18 Open) Benoni RSA 2019-03-16
RcRownchangeKK*chgGame
 1653 1900 5.00 8 -1.13 40 -45.20 
  Nyathi, Musa 1535 RSA0.001-0.9040-36.00 
  Fibiger, Jethro Nathanael 1500  * RSA1.0010.08403.20 
  Rogge, Conrad 1590 RSA1.0010.14405.60 
  Richter, Jan-Michael 1559 RSA1.0010.12404.80 
  Du Plessis, Jan 1500  * RSA1.0010.08403.20 
  Mazibuko, Khanya c1946 RSA0.001-0.4440-17.60 
  Khumalo, Keith 2015 RSA0.001-0.3440-13.60 
  Van Der Westhuizen, Donald 1582 RSA1.0010.13405.20 
 * 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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