Individual Calculations July 2010
 Chiang, Michael  Total change: -2.10  Rating chartPersonal card
 2010 National Open Las Vegas, Nevada USA 2010-06-11
RcRownchangeKK*chgGame
 2130 1970 1.50 5 -0.05 15 -0.75 
  Young, Gregory 2268 USA0.001-0.1515-2.25 
  Alvarez, Ernesto 2257 USA0.001-0.1615-2.40 
  Haring, Ruth Inez wm1980 USA0.5010.01150.15 
  Frey, Charles F 1944 USA1.0010.46156.90 
  Troff, Kayden W 2201 USA0.001-0.2115-3.15 

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)
 
 3rd Ney York International New York, New York USA 2010-06-18
RcRownchangeKK*chgGame
 2244 1970 1.00 6 -0.09 15 -1.35 
  Bonin, Jay R m2305 USA1.0010.881513.20 
  Esserman, Marc R m2370  * USA0.001-0.0815-1.20 
  Figler, Ilye f2290 USA0.001-0.1315-1.95 
  Ostrovskiy, Aleksandr c2254 USA0.001-0.1615-2.40 
  Vulis, Daniel 2121 USA0.001-0.3015-4.50 
  Katz, Benjamin J 2121 USA0.001-0.3015-4.50 
 * 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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