Individual Calculations August 2015
 Willenberg, Roland C.  Total change: -23.20  Rating chartPersonal card
 South African Open Chess Championships 2015 Cape Town RSA 2015-07-03
 1702 1816 2.00 4 -0.58 40 -23.20 
  Barrish, Daniel f2150 RSA0.001-0.1240-4.80 
  Modi, Yashil f1576 RSA0.501-0.3040-12.00 
  Van Wyngaard, Liam 1505 RSA0.501-0.3640-14.40 
  Laureles, Raymundo 1575 RSA1.0010.20408.00 

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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