Individual Calculations September 2011
 Sirgado, Carlos Manuel Ferreira  Total change: -9.45  Rating chartPersonal card
 XXII Taca de Lisboa distrito Lisboa POR 2011-05-08
 1684 1732 0.50 2 -0.63 15 -9.45 
  Marques, Hugo Miguel Fernandes 1666 POR0.001-0.5915-8.85 
  Martins, Abilio Morgado 1701 POR0.501-0.0415-0.60 

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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