Individual Calculations July 2009
 Esserman, Marc R  Total change: 2.55  Rating chartPersonal card
 11th Annual Foxwoods Open Mashantucket, Connecticut USA 2009-04-08
RcRownchangeKK*chgGame
 2293 2391 3.50 7 -0.91 15 -13.65 
  Gutman, Joshua 2138 USA1.0010.19152.85 
  Van Wely, Loek g2622 NED0.001-0.2115-3.15 
  Hilton, Jonathan L 2220 USA1.0010.27154.05 
  Yang, Darwin f2231 USA0.501-0.2115-3.15 
  Zierk, Steven C 2296 USA0.001-0.6315-9.45 
  Bady, Glenn 2255 USA1.0010.32154.80 
  Coleman, Teddy f2289 USA0.001-0.6415-9.60 

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)
 
 The Copper State International Mesa, Arizona USA 2009-05-29
RcRownchangeKK*chgGame
 2390 2391 6.00 10 1.08 15 16.20 
  Harmon-Vellotti, Luke 2041 USA1.0010.11151.65 
  Ippolito, Dean J m2443 USA0.001-0.4315-6.45 
  Mueller, Jason L 2174 USA1.0010.22153.30 
  Yermolinsky, Alex g2522 USA0.5010.18152.70 
  Milman, Lev m2462 USA1.0010.60159.00 
  Ramirez, Alejandro g2563 CRC0.5010.23153.45 
  Gareev, Timur g2590 UZB0.001-0.2415-3.60 
  Barcenilla Jr, Rogelio m2503 PHI0.001-0.3515-5.25 
  Cardona, Liulia wf2226 CUB1.0010.28154.20 
  Ginsburg, Mark m2380 USA1.0010.48157.20 

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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