Individual Calculations August 2012
 Coraretti, Benjamin  Total change: 46.80  Rating chartPersonal card
 9th Annual Philadelphia International Philadelphia, Pennsylvania USA 2012-06-29
RcRownchangeKK*chgGame
 2273 2066 4.00 8 1.99 15 29.85 
  Battaglini, Gabriel m2412 FRA0.001-0.1115-1.65 
  Alfaro Rojas, Alfonso 2249 CRC1.0010.741511.10 
  Kaufman, Lawrence g2380 USA0.001-0.1415-2.10 
  Vazquez, Raul f2298 PUR0.5010.29154.35 
  Arias Santana, Mauricio m2316 CRC0.001-0.1915-2.85 
  Helfst, Matt D 1930 USA1.0010.32154.80 
  Burnett, Ronald m2360 USA0.5010.35155.25 
  Kelley, Dereque D 2242 USA1.0010.731510.95 

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)
 
 40th Annual World Open - Open Section Philadelphia, Pennsylvania USA 2012-07-02
RcRownchangeKK*chgGame
 2290 2091 3.50 9 1.13 15 16.95 
  Shahade, Greg m2462 USA0.001-0.1015-1.50 
  Gorman, Dov f2276 USA1.0010.741511.10 
  Gulamali, Kazim f2318 USA1.0010.791511.85 
  Hess, Robert L g2491  * USA0.001-0.0815-1.20 
  Perez, Robert 2334 USA0.001-0.2015-3.00 
  Barrett, Steve 2233 ENG0.5010.19152.85 
  Ni, Viktorija wm2264 USA0.001-0.2715-4.05 
  Castaneda, Nelson f2266 USA0.001-0.2715-4.05 
  Beckman, Thomas J 1969 USA1.0010.33154.95 
 * 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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