Individual Calculations April 2009
 Liou, Yian  Total change: 0.00  Rating chartPersonal card
 Western Chess Congress Concord, California USA 2009-03-06
 2250 0 1.00 4 0.00 2057   0.00 
  Naroditsky, Daniel f2362 USA0.0010.00 0.00 
  Haring, Ruth Inez wm2049 USA1.0010.00 0.00 
  Strugatsky, Vladim f2397 USA0.0010.00 0.00 
  Pupols, Viktors 2192 USA0.0010.00 0.00 

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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