Individual Calculations May 2015
 Jumpathong, Chayanon  Total change: 23.20  Rating chartPersonal card
 15th Bangkok Chess Club Open 2015 Pattaya THA 2015-04-12
RcRownchangeKK*chgGame
 1942 1700 2.50 9 0.58 40 23.20 
  Ritviz, Parab 2100  * IND0.001-0.0840-3.20 
  Arpijuntarangkoon, Jaradpong 2010 THA0.001-0.1440-5.60 
  Maouel, Kamel 1866 THA1.0010.724028.80 
  Chong, Chor Yuen 2014 HKG0.5010.364014.40 
  Bengtsson, Jessica 2012 SWE0.001-0.1440-5.60 
  Sivara, Poompat 2001 THA0.001-0.1540-6.00 
  Nakvanich, Sahapol 1822 THA0.001-0.3340-13.20 
  Karasmaki, Seppo 1804 FIN1.0010.644025.60 
  Sandberg, Martin 1852 SWE0.001-0.3040-12.00 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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