Rapid: Individual Calculations October 2017
 Sanudula, K M Dahamdi  Total change: 31.60  Rating chartPersonal card
 2nd West Asian Youth Rapid Chess Championship 2017 - Under 10 Girls Waskaduwa SRI 2017-09-05
RcRownchangeKK*chgGame
 1188 1269 6.00 7 1.75 20 35.00 
  Kurmanalina, Deniza wc1416 KAZ1.0010.702014.00 
  Gunawardena, I M T S wc1092 SRI1.0010.27205.40 
  Perera, D G D S Vidarsha 1092 SRI1.0010.27205.40 
  Weerawardana, Oneli Vihanga 1192 SRI1.0010.39207.80 
  Patel, Riddhi R 1268 IND0.001-0.5020-10.00 
  Aarna, Chugh 1086 IND1.0010.26205.20 
  Akuratiya, A G Javindi Avarjana 1170 SRI1.0010.36207.20 

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)
 
 Sri Lanka National Women's Rapid Chess Championship 2017 Colombo SRI 2017-09-23
RcRownchangeKK*chgGame
 1325 1269 2.00 5 -0.17 20 -3.40 
  Tharushi, T H D Niklesha wc1576 SRI0.001-0.1420-2.80 
  Jayasundara, K M Sohanee Divya 1125 SRI1.0010.31206.20 
  Chamathka, W A Chethani 1177 SRI0.501-0.1320-2.60 
  De Silva, Tenara 1346 SRI0.5010.11202.20 
  Sathma, Devni 1400 SRI0.001-0.3220-6.40 

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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