Individual Calculations October 2017
 Rupel, David  Total change: 9.60  Rating chartPersonal card
 Seattle Chess Classic Seattle, Washington USA 2017-08-16
RcRownchangeKK*chgGame
 1945 1975 3.00 6 -0.23 20 -4.60 
  Tien, Sophie 1642 USA0.501-0.3820-7.60 
  Vega, Isaac 1715 USA1.0010.18203.60 
  Breckenridge, Steven f2292 USA0.001-0.1320-2.60 
  Orlova, Yelizaveta wc1933 CAN1.0010.44208.80 
  Doknjas, John f2227 CAN0.001-0.1920-3.80 
  Bashkansky, Naomi wf1862 USA0.501-0.1520-3.00 

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)
 
 67th Annual Oregon Open Portland, Oregon USA 2017-09-02
RcRownchangeKK*chgGame
 2001 1975 3.50 6 0.71 20 14.20 
  Botez, Andrea 1724 CAN1.0010.19203.80 
  Breckenridge, Steven f2292 USA0.001-0.1320-2.60 
  Petrov, Oscar 1734 USA1.0010.20204.00 
  Christensen, Esben 2067 DEN0.5010.13202.60 
  Cigan, Jason 2064 USA0.5010.12202.40 
  Zavortink, Matt 2127 USA0.5010.20204.00 

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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