Individual Calculations December 2019
 Brown, Geoffrey M  Total change: -10.00  Rating chartPersonal card
 Thailand Pattaya Open Chess Championship 2019 Pattaya THA 2019-10-23
 1909 1861 2.50 7 -0.50 20 -10.00 
  Langreck, John 2149 USA0.001-0.1620-3.20 
  Stokke, Kjetil m2261  * NOR1.0010.922018.40 
  Khumnorkaew, Tupfah 2048 THA0.001-0.2620-5.20 
  Noel, Nicolas 1477 FRA1.0010.09201.80 
  Mordido, Kylen Joy wm1946 PHI0.001-0.3820-7.60 
  Mustonen, Ilkka 2018 FIN0.001-0.2920-5.80 
  Mak, Xiu Ning Charlene 1465 SGP0.501-0.4220-8.40 
 * 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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