Individual Calculations January 2012
 Zonidis, Petros  Total change: -2.85  Rating chartPersonal card
 1st Round Robin tournament SAH CC Mikropolis - B' Group Thessaloniki GRE 2011-10-10
RcRownchangeKK*chgGame
 1651 1767 3.00 5 -0.19 15 -2.85 
  Kousidis, Vergis 1832 GRE0.001-0.4115-6.15 
  Karavalasis, Stilianos 1557 GRE1.0010.23153.45 
  Betsakos, Konstantinos 1425 GRE1.0010.12151.80 
  Tsolaki, Eleni 1725 GRE0.501-0.0615-0.90 
  Kosmidis, Konstantinos 1718 GRE0.501-0.0715-1.05 

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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