Individual Calculations September 2009
 Hartung, Jerry  Total change: -13.50  Rating chartPersonal card
 Olimpiada dels petits estats d'Europa Andorra la Vella AND 2009-06-20
RcRownchangeKK*chgGame
 2134 2189 2.50 6 -0.90 15 -13.50 
  Garcia, Raul f2237 AND0.5010.07151.05 
  Rodgaard, John m2370 FAI0.001-0.2615-3.90 
  Aristotelous, Vassilis 1917 CYP1.0010.17152.55 
  Kirby, Peter J c2055 GCI0.001-0.6815-10.20 
  Ribbegren, Karl Johan 2113 MNC0.001-0.6015-9.00 
  Maccapani, Massimiliano c2113 SMR1.0010.40156.00 

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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