Individual Calculations July 2009
 Colantonio, Marco  Total change: -4.50  Rating chartPersonal card
 OP 3. I like elo Roma ITA 2009-03-11
RcRownchangeKK*chgGame
 1878 1695 0.50 3 -0.30 15 -4.50 
  Pala, Giorgio 1962 ITA0.001-0.1815-2.70 
  Vanzan, Alessandro 1788 ITA0.5010.13151.95 
  De Maria, Isaia 1884 ITA0.001-0.2515-3.75 

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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