Individual Calculations July 2012
 Purvis, Anna  Total change: 0.00  Rating chartPersonal card
 World School Chess Championship - Girls U13 Iasi ROU 2012-04-28
RcRownchangeRpKK*chgGame
 1549 0 1.50 5 0.00 1400   0.00 
  Dogan, Sevval 1638 TUR0.0010.00 0.00 
  Bostan, Selina 1505 MDA0.5010.00 0.00 
  Gitu, Paula-Alexandra 1805 MDA0.0010.00 0.00 
  Lesnic, Galina 1480 MDA0.5010.00 0.00 
  Nonis, P A R R 1319 SRI0.5010.00 0.00 

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)
 
 e2e4 Amersham Challengers London ENG 2012-05-18
RcRownchangeRpKK*chgGame
 1770 0 0.50 3 0.00 1497   0.00 
  Clayton, Tristan 1817 ENG0.0010.00 0.00 
  Tsoi, Leo Z 1774 ENG0.0010.00 0.00 
  Torrance, John 1719 SCO0.5010.00 0.00 

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)
 
 e2e4 London Diamond Jubilee Congress Challengers London ENG 2012-06-02
RcRownchangeRpKK*chgGame
 1749 0 0.50 4 0.00 1427   0.00 
  Kane, Robert 1843 ENG0.0010.00 0.00 
  Zhou, Yang-Jian 1609 ENG0.5010.00 0.00 
  Kourtseva, Julie 1784 ENG0.0010.00 0.00 
  Head, Louise 1760 ENG0.0010.00 0.00 

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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