Individual Calculations February 2015
 Retti, Ivan  Total change: 10.80  Rating chartPersonal card
 38. Zurich Weihnachtsopen Allgemein Zurich SUI 2014-12-26
RcRownchangeKK*chgGame
 1792 1883 4.50 7 0.27 40 10.80 
  Schuler, Agatha 1577 SUI1.0010.14405.60 
  Gross, Rainer 1534 SUI1.0010.11404.40 
  Thuner, Stefan 2004 SUI0.5010.16406.40 
  Thode, Gilda 1925 SUI0.001-0.4440-17.60 
  Roland, Rainer 1781 GER1.0010.364014.40 
  Bosshard, Rolf 1782 SUI1.0010.364014.40 
  Zuest, Leonard 1942 SUI0.001-0.4240-16.80 

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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