Individual Calculations September 2012
 Sarkar, Justin  Total change: 7.50  Rating chartPersonal card
 2012 Washington International Rockville, Maryland USA 2012-07-28
RcRownchangeKK*chgGame
 2435 2396 4.50 8 0.91 10 9.10 
  Wang, Kevin 2186 USA1.0010.23102.30 
  Foisor, Sabina-Francesca wg2356 USA1.0010.44104.40 
  Gareev, Timur g2658 UZB0.5010.32103.20 
  Onischuk, Alexander g2666 USA0.001-0.1710-1.70 
  Friedel, Joshua E g2503 USA0.5010.15101.50 
  Ippolito, Dean m2429 USA0.5010.05100.50 
  Benjamin, Joel g2559 USA0.001-0.2810-2.80 
  Colas, Joshua 2126 USA1.0010.17101.70 

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)
 
 2012 Potomac Open Rockville, Maryland USA 2012-08-03
RcRownchangeKK*chgGame
 2406 2392 2.50 3 1.08 10 10.80 
  Kekelidze, Mikheil g2495 GEO0.5010.14101.40 
  Clancy, Daniel J 2127 USA1.0010.18101.80 
  Gelashvili, Tamaz g2595 GEO1.0010.76107.60 

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)
 
 113th Annual US Open Vancouver, Washington USA 2012-08-04
RcRownchangeKK*chgGame
 2224 2392 2.50 3 0.42 10 4.20 
  Cheng, Kun Jack 2026 CAN1.0010.10101.00 
  Sinanan, Joshua C 2227 USA1.0010.28102.80 
  Bercys, Salvijus m2420 USA0.5010.04100.40 

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)
 
 11th Annual Manhattan Open - Open Section New York, New York USA 2012-08-17
RcRownchangeKK*chgGame
 2230 2392 2.50 4 -0.34 10 -3.40 
  Chiang, Michael 2153 USA0.001-0.8010-8.00 
  Prilleltensky, Matan 2185 USA1.0010.23102.30 
  Williams, Justus D 2234 USA1.0010.29102.90 
  Ostrovskiy, Aleksandr A f2347 USA0.501-0.0610-0.60 

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)
 
 44th Annual Atlantic Open Washington DC USA 2012-08-24
RcRownchangeKK*chgGame
 2111 2392 2.00 4 -1.32 10 -13.20 
  Liang, Awonder f1992  * USA0.501-0.4210-4.20 
  Sherman, David 2101 USA1.0010.15101.50 
  Privman, Boris f2131 USA0.501-0.3210-3.20 
  Hua, David A 2219 USA0.001-0.7310-7.30 
 * 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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