Individual Calculations April 2009
 Marko, Helmut  Total change: -13.95  Rating chartPersonal card
 Waikato Open 2008 Hamilton NZL 2008-08-08
RcRownchangeKK*chgGame
 2045 2123 1.50 4 -0.93 15 -13.95 
  Stuart, Peter 2097 NZL0.001-0.5415-8.10 
  Lynn, William 1980 NZL1.0010.31154.65 
  Fuatai, Fuatai 2021 NZL0.501-0.1415-2.10 
  Browne, Jeremy 2081 NZL0.001-0.5615-8.40 

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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