Individual Calculations January 2018
 Bonin, Jay  Total change: -12.50  Rating chartPersonal card
 101st Edward Lasker Memorial MCC Championship New York, New York USA 2017-12-08
RcRownchangeKK*chgGame
 2085 2262 5.00 9 -1.25 10 -12.50 
  Adelson, Serge 1862  * USA1.0010.08100.80 
  Khamrakulov, Djurabek m2496 UZB0.001-0.2110-2.10 
  Berg, George 1958 USA1.0010.14101.40 
  Zhu, Evelyn wm1899 USA0.001-0.9010-9.00 
  Jacobs, Jon f2230 USA0.501-0.0410-0.40 
  Yagiz, Bora 1867 TUR1.0010.08100.80 
  Samadashvili, Martha wf2056 USA0.501-0.2610-2.60 
  Perez, Robert 2397 USA0.001-0.3210-3.20 
  Lu, Jason 2001 USA1.0010.18101.80 
 * 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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