Individual Calculations March 2015
 Bornheim, Craig  Total change: 19.00  Rating chartPersonal card
 Piet Robbertse Open Chess Tournament 2015 Pretoria RSA 2015-01-29
RcRownchangeKK*chgGame
 2120 1992 2.00 3 0.95 20 19.00 
  Chettiar, Evasan 1886 RSA1.0010.36207.20 
  Makoto, Rodwell m2327 ZIM0.001-0.1220-2.40 
  Masango, Spencer 2146 ZIM1.0010.712014.20 

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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