Individual Calculations July 2009
 Buehl, Walter M  Total change: -3.45  Rating chartPersonal card
 31st Annual Marchand Open Rochester, NY USA 2009-03-27
RcRownchangeKK*chgGame
 2263 2053 0.00 1 -0.23 15 -3.45 
  Golyak, Isay f2263 USA0.001-0.2315-3.45 

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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