Individual Calculations August 2013
 Riordan, Charles  Total change: -17.70  Rating chartPersonal card
 2013 Nashua Open Nashua, New Hasmpshire USA 2013-07-06
RcRownchangeKK*chgGame
 2026 2315 0.50 2 -1.18 15 -17.70 
  Gaspar, John 1956 USA0.501-0.4015-6.00 
  Carter, David E 2095 USA0.001-0.7815-11.70 

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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