Rapid: Individual Calculations October 2017
 Perera, G Poorna Udara Dhananj  Total change: 52.60  Rating chartPersonal card
 Inaugural Sri Lanka National Rapid Chess Championship 2017 Colomno SRI 2017-09-23
RcRownchangeKK*chgGame
 1280 1040 4.50 8 2.63 20 52.60 
  Priyankara, Chamil 1440  * SRI0.001-0.0820-1.60 
  Sahasthra, Sasidu 1417 SRI0.5010.41208.20 
  Thranga, B Nalin 1197 SRI0.001-0.2920-5.80 
  Yasanjith, H M Dinura 1139 SRI1.0010.642012.80 
  Samaranayake, Lashitha 1146 SRI1.0010.642012.80 
  Gunathilaka, M H V S Shanaaka 1440  * SRI0.001-0.0820-1.60 
  Perera, Isara Ranmeth 1017 SRI1.0010.47209.40 
  De Silva, L M S T 1440  * SRI1.0010.922018.40 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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