Individual Calculations December 2019
 Mustonen, Ilkka  Total change: -22.20  Rating chartPersonal card
 Thailand Pattaya Open Chess Championship 2019 Pattaya THA 2019-10-23
 1919 2018 4.50 9 -1.11 20 -22.20 
  Noel, Nicolas 1618  * FRA1.0010.08201.60 
  Kyaw, Lay Htaik f2343 MYA0.001-0.1320-2.60 
  Batchis, Paul 1727 USA0.501-0.3520-7.00 
  Frost, Peter 1785 AUS0.501-0.2920-5.80 
  Muzzaffar, Ahmad 1803 MAS1.0010.23204.60 
  Turqueza, Mari Joseph f2318 PHI0.001-0.1520-3.00 
  Brown, Geoffrey M 1861 ENG1.0010.29205.80 
  Pardoen, Alain 1914 AUS0.501-0.1420-2.80 
  Laddha, Shubh Jayesh 1905 USA0.001-0.6520-13.00 
 * 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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