Individual Calculations May 2015
 Sajjapornthep, Jarunpol  Total change: 4.80  Rating chartPersonal card
 15th Bangkok Chess Club Challenger 2015 Pattaya THA 2015-04-13
RcRownchangeKK*chgGame
 1858 1802 1.00 2 0.12 40 4.80 
  Doostkam, P 2063 IRI0.001-0.1840-7.20 
  Htet, Naing 1652 MYA1.0010.304012.00 

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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