Individual Calculations October 2013
 Rofrano, Joshua  Total change: -12.90  Rating chartPersonal card
 135th Annual New York State Championship Albany, New York USA 2013-08-30
RcRownchangeKK*chgGame
 2100 2012 1.50 5 -0.43 30 -12.90 
  Treger, Yefim 2197 USA0.001-0.2630-7.80 
  Katz, Benjamin J 2161 USA0.001-0.3030-9.00 
  Copeland, Samuel S 2198 USA0.5010.24307.20 
  Winter, Curtis A 1964 USA0.501-0.0730-2.10 
  Abe, Mahiro 1982 JPN0.501-0.0430-1.20 

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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