Individual Calculations September 2009
 Silmalis, Janis  Total change: -7.25  Rating chartPersonal card
 Latvian men championship Plavinas LAT 2009-06-29
 2020 1721 0.50 5 -0.29 25 -7.25 
  Butnorius, Algimantas g2071 LTU0.001-0.1125-2.75 
  Serov, Maksim 2071 LAT0.001-0.1125-2.75 
  Rupeiks, Ilgonis 2041 LAT0.001-0.1325-3.25 
  Skinke, Katrina wm2071 LAT0.001-0.1125-2.75 
  Rogulis, Uldis 1846 LAT0.5010.17254.25 

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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