Individual Calculations July 2010
 Alvarez, Ernesto  Total change: -24.15  Rating chartPersonal card
 19th Annual Chicago Open Wheeling, Illinois USA 2010-05-27
RcRownchangeKK*chgGame
 2267 2257 3.00 8 -0.92 15 -13.80 
  Mitkov, Nikola g2509 MKD0.001-0.1915-2.85 
  Hyatt, Doug 2028 USA1.0010.21153.15 
  Almeida, Alfonso A m2380 MEX1.0010.671510.05 
  Bercys, Salvijus m2427 USA0.001-0.2815-4.20 
  Amanov, Mesgen g2479 TKM0.001-0.2215-3.30 
  Murthy, Pappu 2085 USA0.501-0.2315-3.45 
  Moncayo, Evelyn wm2122 ECU0.501-0.1815-2.70 
  Zepeda, Sonia wm2107 ESA0.001-0.7015-10.50 

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)
 
 2010 National Open Las Vegas, Nevada USA 2010-06-11
RcRownchangeKK*chgGame
 2226 2257 2.00 5 -0.69 15 -10.35 
  Kogan, Arthur g2525 ISR0.001-0.1715-2.55 
  Chiang, Michael 1970 USA1.0010.16152.40 
  Foisor, Sabina-Franseca wg2302 USA0.001-0.4415-6.60 
  Eckert, Doug D f2240 USA0.001-0.5215-7.80 
  Zaczek, Jonathon 2092 CAN1.0010.28154.20 

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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