Individual Calculations September 2009
 Snyder, Larry  Total change: -15.75  Rating chartPersonal card
 Summer Tuesday Night Marathon San Francisco, California USA 2009-05-26
RcRownchangeKK*chgGame
 1898 2078 2.50 5 -1.05 15 -15.75 
  Litowsky, Daniel 1728 USA1.0010.11151.65 
  Krasnov, Steven 1901 USA0.501-0.2315-3.45 
  Todortsev, Victor 1728 USA0.501-0.3915-5.85 
  Grey, Peter 1962 USA0.501-0.1615-2.40 
  Margulis, Igor 2169 USA0.001-0.3815-5.70 

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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