Individual Calculations July 2009
 Magklaras, Themistoklis-Panayio  Total change: 11.00  Rating chartPersonal card
 5th World School Chess Championship - Open U13 Thessaloniki GRE 2009-04-27
RcRownchangeKK*chgGame
 1644 1533 1.50 3 0.44 25 11.00 
  Balacianu, Alexandru-George 1635 ROU0.001-0.3625-9.00 
  Xanthopoulos, Vasilios 1577 GRE1.0010.562514.00 
  Sudharsan, Surya K 1721 IND0.5010.24256.00 

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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