Individual Calculations February 2023
 Ranasinghe, R A Malindu Bhathiya  Total change: -16.20  Rating chartPersonal card
 Kaluthara International Chess Festival 2023 Kaluthara SRI 2023-01-20
RcRownchangeKK*chgGame
 1066 1438 1.00 2 -0.81 20 -16.20 
  De Silva, M W Sanuth Nihinsa 1053 SRI0.001-0.9120-18.20 
  Gunasekara, Aritha Chanthula Abes 1079 SRI1.0010.10202.00 

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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