Individual Calculations October 2008
 Sorkin, Igor  Total change: 14.10  Rating chartPersonal card
 NY Marshall CC International New York, NY USA 2008-06-21
RcRownchangeKK*chgGame
 2297 2346 4.00 7 0.09 15 1.35 
  Margulis, Yevgeni 2253 USA0.501-0.1315-1.95 
  Getz, Alec 2142 USA0.501-0.2615-3.90 
  Panico, Iii Nick F 2070 USA1.0010.17152.55 
  Vovsha, Eli m2452 ISR0.001-0.3615-5.40 
  Bick, John D f2201 USA1.0010.31154.65 
  Gonzalez, Renier m2507 USA1.0010.711510.65 
  Lapshun, Yury m2455 USA0.001-0.3515-5.25 

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)
 
 36th Annual World Open (U2400 Section) Philadelphia, Pennsylvania USA 2008-06-30
RcRownchangeKK*chgGame
 2285 2346 5.50 8 0.85 15 12.75 
  Tan, Oscar L 2283 PHI1.0010.41156.15 
  Iwamoto, Takashi f2266 USA0.501-0.1115-1.65 
  Meera, Sai wm2227 IND1.0010.34155.10 
  Zakariya, Bennis f2285 MAR0.001-0.5815-8.70 
  Bick, John D f2201 USA1.0010.31154.65 
  Mandizha, Farai f2338 ZIM1.0010.49157.35 
  Schneider, Igor f2338 USA0.501-0.0115-0.15 
  Gulamali, Kazim f2343 USA0.5010.00150.00 

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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