Individual Calculations September 2009
 Erneste, Inguna  Total change: -9.30  Rating chartPersonal card
 Latvian men championship Plavinas LAT 2009-06-29
 2252 2279 1.50 4 -0.62 15 -9.30 
  Samolins, Vitalijs m2416 LAT0.001-0.3215-4.80 
  Rytshagov, Mikhail g2495 EST0.001-0.2215-3.30 
  Rupeiks, Ilgonis 2041 LAT1.0010.20153.00 
  Laurusaite, Brigita 2056 LTU0.501-0.2815-4.20 

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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