Individual Calculations March 2011
 Pereira, Ricardo Joao Correia  Total change: -1.20  Rating chartPersonal card
 III Torneio FIDE Seixal Seixal POR 2011-01-04
 1643 1954 2.50 3 -0.08 15 -1.20 
  Silva, Goncalo Nuno Neto Pires 1644 POR0.501-0.3615-5.40 
  Totoi, Ilie 1626 POR1.0010.13151.95 
  Nuno, Rafael J Pimparel Alves 1659 POR1.0010.15152.25 

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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