Individual Calculations August 2015
 Windvogel, Lance J  Total change: -88.40  Rating chartPersonal card
 South African Open Chess Championships 2015 Cape Town RSA 2015-07-03
 1745 1883 2.50 7 -2.21 40 -88.40 
  Musekiwa, Michael 1904 BOT1.0010.534021.20 
  Mabusela, Johannes Manyedi m2268 RSA0.001-0.0940-3.60 
  Chetty, Cailin c1576 RSA0.501-0.3640-14.40 
  Essa, Naseem Ahmed c1612 RSA0.001-0.8340-33.20 
  Van Niekerk, Lauren wf1625 RSA1.0010.18407.20 
  Mashope, Mpho D. 1677 RSA0.001-0.7640-30.40 
  Balmakhun, Yashkar 1552 RSA0.001-0.8840-35.20 

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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