Individual Calculations January 2013
 Porsia, Pietro  Total change: -16.20  Rating chartPersonal card
 Sabbadu Ghjustra Bastia 2012 - 1 BASTIA FRA 2012-11-17
RcRownchangeKK*chgGame
 1595 1605 1.50 5 -1.08 15 -16.20 
  Porsia, Enzo 1528 FRA0.001-0.6115-9.15 
  Gilles, Raphael 1533 FRA0.001-0.6015-9.00 
  Lhostis, Florian 1742 FRA0.001-0.3215-4.80 
  Morison, Julien 1606 FRA0.5010.00150.00 
  Bouslimi, Nabil 1566 FRA1.0010.45156.75 

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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