Individual Calculations January 2011
 Dos Santos, Tiago Augusto  Total change: -5.25  Rating chartPersonal card
 Aberto Internacional de Xadrez Itaipu Binacional Curitiba/PR BRA 2010-11-18
 2296 2028 0.00 2 -0.35 15 -5.25 
  Choma, Ernani Francisco f2332 BRA0.001-0.1415-2.10 
  Palozi, Paulo Ricardo 2259 BRA0.001-0.2115-3.15 

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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