Individual Calculations April 2008
 Sawyer, Bradley J  Total change: 2.70  Rating chartPersonal card
 Susan Polgar International Open Brownsville, Texas USA 2008-01-18
RcRownchangeKK*chgGame
 2272 2116 0.00 1 -0.29 15 -4.35 
  Ortiz, Nadya wm2272 COL0.001-0.2915-4.35 

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)
 
 Lone Star Open Houston, Texas USA 2008-02-29
RcRownchangeKK*chgGame
 2298 2116 1.00 2 0.47 15 7.05 
  Canda, Danilo m2292 NCA0.001-0.2715-4.05 
  Land, Chris f2304 USA1.0010.741511.10 

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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