Individual Calculations October 2015
 Piasetski, Leon  Total change: 8.40  Rating chartPersonal card
 2015 Oregon Open Portland, Oregon USA 2015-09-05
RcRownchangeKK*chgGame
 2087 2283 4.50 5 0.84 10 8.40 
  Dhingra, Sangeeta 1883  * USA1.0010.08100.80 
  Sherrard, Jerry 2023 USA1.0010.18101.80 
  Bjorksten, Lennart 2116 USA1.0010.28102.80 
  Raptis, Nick f2273 USA1.0010.49104.90 
  Haessler, Carl 2141 USA0.501-0.1910-1.90 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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