Individual Calculations July 2010
 Ryba, Andrew  Total change: 25.05  Rating chartPersonal card
 3rd Ney York International New York, New York USA 2010-06-18
 2234 2094 4.00 7 1.67 15 25.05 
  Panjwani, Raja m2401 CAN0.001-0.1415-2.10 
  Bonin, Jay R m2305 USA0.001-0.2315-3.45 
  Margiotta, Jason J 1999 USA0.501-0.1315-1.95 
  Frumkin, Edward A 2002 USA1.0010.37155.55 
  Williams, Justus D 2239 USA1.0010.691510.35 
  Zenyuk, Iryna cwm2276 USA1.0010.741511.10 
  Esserman, Marc R m2419 USA0.5010.37155.55 

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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