Individual Calculations March 2019
 Wickramarathne, T D  Total change: -9.20  Rating chartPersonal card
 Colombo International Chess Festival 2019 Colombo SRI 2019-02-01
RcRownchangeKK*chgGame
 1242 1259 4.00 8 -0.23 40 -9.20 
  Abhimanyu, Iraja 1476 SRI0.5010.284011.20 
  Sooriyaarachchi, Isuru Madusha 1559 SRI0.001-0.1540-6.00 
  Senamanthila, Milani 1075 SRI1.0010.264010.40 
  Jayarathne, M N G 1551 SRI0.001-0.1540-6.00 
  Jayasundara, J M Daham V 1116 SRI0.501-0.1940-7.60 
  Galappaththi, Ananya Sandamini 1002 SRI0.501-0.3240-12.80 
  Herath, H M D L 1062 SRI1.0010.254010.00 
  Peiris, T Shakya Imanjith 1098 SRI0.501-0.2140-8.40 

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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