Individual Calculations January 2011
 Ognibene, Piero  Total change: 33.25  Rating chartPersonal card
 OP 5 Citta' di Assisi - B Santa Maria degli Angeli Assisi ITA 2010-12-17
RcRownchangeKK*chgGame
 1957 1891 3.00 4 1.33 25 33.25 
  Vincenzi, Marco 2097 ITA0.001-0.2425-6.00 
  Balducci, Alessandro 1743 ITA1.0010.30257.50 
  Kehrel, Eike 2072 GER1.0010.742518.50 
  Tortolini, Francesco 1914 ITA1.0010.532513.25 

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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