Individual Calculations December 2019
 Langreck, John  Total change: 11.60  Rating chartPersonal card
 Thailand Pattaya Open Chess Championship 2019 Pattaya THA 2019-10-23
 2061 2149 6.00 9 0.58 20 11.60 
  Allison, Brian C 1749  * AUS1.0010.08201.60 
  Brown, Geoffrey M 1861 ENG1.0010.16203.20 
  Villamayor, Buenaventura g2371 SGP0.001-0.2220-4.40 
  Abramowski, Joerg 1932 GER0.501-0.2820-5.60 
  Sajjapornthep, Jarunpol 1876 THA1.0010.17203.40 
  Saptarshi, Roy g2456 IND0.001-0.1420-2.80 
  Shrutarshi, Ray 2006 IND1.0010.31206.20 
  Arunnuntapanich, Tinnakrit 2025 THA1.0010.33206.60 
  Thet, Naung f2271 MYA0.5010.17203.40 
 * 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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