Individual Calculations November 2022
 Rathnayake, R M M P B  Total change: 12.80  Rating chartPersonal card
 Negombo International Chess Festival 2022 Negombo SRI 2022-10-20
RcRownchangeKK*chgGame
 1371 1116 1.50 4 0.32 40 12.80 
  Wijekoon, Chandana c1796 SRI0.001-0.0140-0.40 
  Gamage, Ovin Vidmal 1519 SRI0.001-0.0840-3.20 
  Silva, M K Teshan Pasandul 1069 SRI1.0010.434017.20 
  Hapuarachchi, H A D S 1100 SRI0.501-0.0240-0.80 

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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