Individual Calculations September 2009
 Lavendelis, Egons  Total change: 2.40  Rating chartPersonal card
 Latvian men championship Plavinas LAT 2009-06-29
 2274 2251 2.50 5 0.16 15 2.40 
  Klovans, Janis g2415 LAT0.5010.22153.30 
  Kantans, Toms 2193 LAT0.501-0.0815-1.20 
  Serov, Maksim 2340 LAT0.001-0.3815-5.70 
  Krustkalns, Kristaps f2316 LAT1.0010.59158.85 
  Laurusas, Tomas 2107 LTU0.501-0.1915-2.85 

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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