Individual Calculations July 2009
 Akobian, Varuzhan  Total change: 13.70  Rating chartPersonal card
 11th Annual Foxwoods Open Mashantucket, Connecticut USA 2009-04-08
RcRownchangeKK*chgGame
 2445 2613 5.00 8 -0.67 10 -6.70 
  Hilton, Jonathan L 2263 USA1.0010.11101.10 
  Zlotnikov, Mikhail m2324 USA1.0010.16101.60 
  Charbonneau, Pascal g2505 CAN1.0010.35103.50 
  Hess, Robert L m2485 USA0.501-0.1710-1.70 
  Robson, Ray m2465 USA1.0010.30103.00 
  Shabalov, Alexander g2569 USA0.501-0.0610-0.60 
  Lenderman, Alex m2434 USA0.001-0.7310-7.30 
  Friedel, Joshua E g2516 USA0.001-0.6310-6.30 

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)
 
 2009 US Championship St. Louis, Missouri USA 2009-05-07
RcRownchangeKK*chgGame
 2585 2613 6.00 9 1.17 10 11.70 
  Zatonskih, Anna m2461 USA1.0010.30103.00 
  Kamsky, Gata g2720 USA0.001-0.3510-3.50 
  Robson, Ray m2465 USA1.0010.30103.00 
  Becerra, Julio J g2609 USA1.0010.49104.90 
  Ehlvest, Jaan g2606 USA1.0010.49104.90 
  Shulman, Yury g2632 USA0.5010.03100.30 
  Nakamura, Hikaru g2701 USA0.001-0.3810-3.80 
  Benjamin, Joel g2583 USA1.0010.46104.60 
  Hess, Robert L m2485 USA0.501-0.1710-1.70 

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)
 
 18th Annual Chicago Open - Open Section Wheeling, Illinois USA 2009-05-22
RcRownchangeKK*chgGame
 2462 2613 3.50 5 0.05 10 0.50 
  Young, Angelo m2350 PHI0.501-0.3210-3.20 
  Molner, Mackenzie 2384 USA0.501-0.2910-2.90 
  Garcia, Gildardo J g2401 COL1.0010.23102.30 
  Perelshteyn, Eugene g2543 USA1.0010.40104.00 
  Shulman, Yury g2632 USA0.5010.03100.30 

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)
 
 2009 National Open Las Vegas, Nevada USA 2009-06-05
RcRownchangeKK*chgGame
 2505 2613 4.00 5 0.82 10 8.20 
  Tayar, Jonathan f2334 CAN1.0010.16101.60 
  Bradford, Joseph M m2419 USA0.501-0.2510-2.50 
  Kraai, Jesse g2488 USA1.0010.33103.30 
  Van Wely, Loek g2622 NED0.5010.01100.10 
  Fressinet, Laurent g2664 FRA1.0010.57105.70 

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)
 

 

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