Individual Calculations September 2009
 Holt, Conrad  Total change: 40.20  Rating chartPersonal card
 37th Annual World Open - Under 2400 Section Philadelphia, Pennsylvania USA 2009-06-29
RcRownchangeKK*chgGame
 2220 2289 6.50 9 1.29 15 19.35 
  Iwu, Okechukwu A 2198 USA0.001-0.6215-9.30 
  Amarasinghe, Prashantha 1939 SRI1.0010.11151.65 
  Fernandez, Alejandro 2227 MEX1.0010.41156.15 
  Gershenov, Ben 1987 USA1.0010.15152.25 
  Kleiman, Jake f2326 USA0.5010.05150.75 
  Jiang, Louie 2266 CAN1.0010.47157.05 
  Sarkar, Justin m2410 USA1.0010.66159.90 
  Battaglini, Gabriel 2325 FRA1.0010.55158.25 
  Rubenchik, Rodion f2299 USA0.001-0.4915-7.35 

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)
 
 64th OCF Oklahoma Open - Jerry Spann Memorial Bricktown, Oklahoma USA 2009-07-25
RcRownchangeKK*chgGame
 2067 2303 3.50 4 0.42 15 6.30 
  Wawrzaszek, Jason 1920 USA1.0010.09151.35 
  Cao, Kevin 1952 USA1.0010.11151.65 
  Galant, Sergey 2183 USA1.0010.34155.10 
  Coleman, Maxx 2212 USA0.501-0.1215-1.80 

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)
 
 110th Annual US Open Indianapolis, Indiana USA 2009-08-01
RcRownchangeKK*chgGame
 2221 2303 4.00 5 0.97 15 14.55 
  Anzis, Matt 2097 USA1.0010.24153.60 
  Huang, Vincent 2063 USA0.501-0.3015-4.50 
  Barclay, Kayin 2220 USA1.0010.39155.85 
  Mitkov, Nikola g2526 MKD0.5010.28154.20 
  Chen, Howard 2201 USA1.0010.36155.40 

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)
 

 

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