Individual Calculations January 2010
 Winter, Curtis A  Total change: -1.75  Rating chartPersonal card
 14th Annual Northern Virginia Open Sterling, Virginia USA 2009-11-07
RcRownchangeKK*chgGame
 2033 1905 0.50 1 0.17 25 4.25 
  Pinkerton, James C 2033 USA0.5010.17254.25 

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)
 
 2nd Annual "What-A-Turkey" Open New York, New York USA 2009-11-21
RcRownchangeKK*chgGame
 2102 1905 0.50 3 -0.24 25 -6.00 
  Ostrovskiy, Aleksandr c2147 USA0.001-0.2025-5.00 
  Guevara, Robert 2090 USA0.5010.24256.00 
  Sturt, Raven M 2068 USA0.001-0.2825-7.00 

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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