Individual Calculations January 2012
 Tong, William M  Total change: 13.20  Rating chartPersonal card
 Missouri Open Columbia, Missouri USA 2011-10-29
RcRownchangeKK*chgGame
 1959 1972 2.00 3 0.44 30 13.20 
  Dutiel, Tony 1935 USA1.0010.453013.50 
  Long, James 2017 USA0.001-0.4430-13.20 
  Vaughn, Rodney 1925 USA1.0010.433012.90 

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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