Individual Calculations September 2021
 Hulsey, Mark Allen  Total change: -38.40  Rating chartPersonal card
 4th Annual John T. Irwin National Tournament of Senior State Champions Cherry Hill, New Jersey USA 2021-07-31
RcRownchangeKK*chgGame
 1897 2060 2.50 5 -0.96 40 -38.40 
  Hargrove, James Eryk 1749 USA1.0010.14405.60 
  Farrell, John F 1925 USA0.501-0.1840-7.20 
  Perez, Ignacio f2063 USA0.001-0.5040-20.00 
  Sage, J Timothy 2037 USA0.501-0.0340-1.20 
  Hobbs, Richard Parker 1710 USA0.501-0.3940-15.60 

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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