Individual Calculations September 2015
 Gamage, Ovin Vidmal  Total change: -21.60  Rating chartPersonal card
 National Amateur Chess Championship 2015 Colombo SRI 2015-08-05
RcRownchangeKK*chgGame
 1324 1425 2.50 5 -0.54 40 -21.60 
  Fernando, L V M 1614 SRI0.001-0.2540-10.00 
  Wimaladharma, W Jithain Oshadha 1032 SRI0.501-0.4240-16.80 
  Punchihewa, Geeneth Devmika 1175 SRI1.0010.19407.60 
  Perera, D Upashan L 1179 SRI1.0010.19407.60 
  Liyanage, Ranindu Dilshan 1622 SRI0.001-0.2540-10.00 

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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