Individual Calculations March 2011
 Kahn, Peter  Total change: 4.65  Rating chartPersonal card
 11.Internationales Weihnachts-Open Siebenlehn GER 2010-12-27
 2056 2077 3.00 5 0.31 15 4.65 
  Beuger, Ronald 1841 GER1.0010.20153.00 
  Farago, Ivan g2421 HUN0.001-0.1215-1.80 
  Hoerr, Christian 1951 GER1.0010.33154.95 
  Meduna, Eduard 1873 CZE0.501-0.2615-3.90 
  Eperjesi, Laszlo, Dr. m2194 HUN0.5010.16152.40 

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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