Individual Calculations January 2010
 Tsiotas, Nikolaos  Total change: -10.00  Rating chartPersonal card
 ATTTICA TEAM YOUTH U12 CHAMP. 2009 Attica GRE 2009-10-25
RcRownchangeKK*chgGame
 1584 1546 0.50 2 -0.40 25 -10.00 
  Sidiropoulos, Nikolaos 1578 GRE0.001-0.4625-11.50 
  Papadopoulos, Georgios Nikea 1589 GRE0.5010.06251.50 

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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