Rapid: Individual Calculations February 2013
 Petrucci, Mario  Total change: -17.00  Rating chartPersonal card
 OP 86 ROCCA PRIORA ROCCA PRIORA ITA 2013-01-13
RcRownchangeKK*chgGame
 1782 1653 0.50 4 -0.85 20 -17.00 
  Bolog, Iacint 1916 ITA0.001-0.1820-3.60 
  Piattelli, Marco 1839 ITA0.001-0.2620-5.20 
  Carlacci, Umberto 1711 ITA0.001-0.4220-8.40 
  Teti, Roberto 1662 ITA0.5010.01200.20 

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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