Individual Calculations May 2012
 Bornheim, Craig  Total change: 3.30  Rating chartPersonal card
 South African Junior Closed 2012 (u20 Boys) Johannesburg RSA 2012-03-31
RcRownchangeKK*chgGame
 1900 1966 5.50 9 0.22 15 3.30 
  Hanekom, Johannes 1949 RSA0.501-0.0215-0.30 
  Gainsford, Ashwin 1847 RSA1.0010.34155.10 
  Barrish, Daniel 1742 RSA0.501-0.2815-4.20 
  Zwakala, Ntando 1964 RSA0.5010.00150.00 
  Naidu, Sayen 1839 RSA1.0010.33154.95 
  Whittet, Andrew c1856 RSA0.501-0.1515-2.25 
  Bhawoodien, Mohamed f1897 RSA1.0010.40156.00 
  Du Plessis, Heinco 2095 RSA0.5010.17152.55 
  Chettiar, Evasan 1913 RSA0.001-0.5715-8.55 

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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