Individual Calculations April 2018
 Piyathumawuttikul, Kantapat  Total change: 148.40  Rating chartPersonal card
 BCC Championship 2018, B-Final Bangkok THA 2018-01-31
RcRownchangeKK*chgGame
 1499 1268 3.00 6 1.68 40 67.20 
  Calacday, Ryan 1630 PHI1.0010.904036.00 
  Srivatanakul, Pricha 1450 THA1.0010.744029.60 
  Bunnag, Pirat 1372 THA0.001-0.3640-14.40 
  Rangkaew, Katunchalee 1484 THA1.0010.784031.20 
  Chongstitwattana, Cholapat 1443 THA0.001-0.2740-10.80 
  Jackson, John Marvin 1613 USA0.001-0.1140-4.40 

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)
 
 Thailand Naitonal Championship 2018 Open Bangkok THA 2018-03-05
RcRownchangeKK*chgGame
 1612 1268 3.00 8 2.03 40 81.20 
  Sajjapornthep, Jarunpol 1668  * THA0.001-0.0840-3.20 
  Mekarapiruk, Chawit 1562 THA0.001-0.1540-6.00 
  Pornpichitwattanakij, Pornmongko 1563 THA0.5010.354014.00 
  Srivatanakul, Pricha 1450 THA0.5010.24409.60 
  Maneeratanasak, Chanavuth 1668  * THA1.0010.924036.80 
  Petchrongrusamee, Pornpong 1649 THA1.0010.914036.40 
  Nakvanich, Sahapol 1668  * THA0.001-0.0840-3.20 
  Prasitsoonthorn, Teerachoti 1668  * THA0.001-0.0840-3.20 
 * 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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