Individual Calculations October 2015
 Kovacs, Zoltan  Total change: -4.60  Rating chartPersonal card
 32nd Hampstead Weekend Congress: Under 2200 London ENG 2015-09-26
 1951 2009 1.50 3 -0.23 20 -4.60 
  Barasi, Paul Dl 1783 ENG1.0010.21204.20 
  Giles, Yasmin 1954 ENG0.501-0.0820-1.60 
  Peiris, T G M 2115 SRI0.001-0.3620-7.20 

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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