Individual Calculations January 2012
 Perera, Anjana  Total change: -2.85  Rating chartPersonal card
 World Youth Chess Championship - U 18 Girls Caldas Novas/GO BRA 2011-11-18
 2036 1827 1.50 7 -0.19 15 -2.85 
  Schulz, Anja 2113 GER0.001-0.1615-2.40 
  Palmitessa, Chiara 1966 ITA0.5010.19152.85 
  Skrabakova, Katarina 2045 SVK1.0010.781511.70 
  Chumpitaz, Ann wf2203 PER0.001-0.0915-1.35 
  Krumova, Ani 1977 BUL0.001-0.3015-4.50 
  Castro, Natalia Patricia 1992 COL0.001-0.2815-4.20 
  Matute Loja, Belen 1953 ECU0.001-0.3315-4.95 

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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