Individual Calculations August 2015
 Bonin, Jay R  Total change: -15.50  Rating chartPersonal card
 8th New York International Championship New York, New York USA 2015-07-15
RcRownchangeKK*chgGame
 2173 2309 4.50 9 -1.55 10 -15.50 
  Harriott, Tyrell 2095 USA1.0010.23102.30 
  Azarov, Sergei g2618 BLR0.001-0.1410-1.40 
  Sheng, Joshua 2187 USA0.001-0.6710-6.70 
  Jacobson, Brandon c2139 USA0.501-0.2210-2.20 
  Sinha, Sahil 2137 USA0.501-0.2310-2.30 
  Kazarian, Anna-Maja wf2120 NED0.501-0.2510-2.50 
  Frumkin, Edward 1909  * USA1.0010.08100.80 
  Karan, Bhatty 2093 IND1.0010.22102.20 
  Burke, John M 2258 USA0.001-0.5710-5.70 
 * 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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