Individual Calculations October 2021
 Felix, Raphael  Total change: 76.80  Rating chartPersonal card
 2021 Gauteng North Open (Section A) Pretoria RSA 2021-08-28
RcRownchangeKK*chgGame
 1406 1342 1.50 4 -0.27 40 -10.80 
  Aldum, Rocco 1208 RSA1.0010.324012.80 
  Hercules, Benjamin Vincent 1742  * RSA0.001-0.0840-3.20 
  Potgieter, Edward 1348 RSA0.001-0.4940-19.60 
  Nguyen, Minh 1325 RSA0.501-0.0240-0.80 
 * 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)
 
 African Youth Chess Championship (U16 Open) Accra GHA 2021-09-18
RcRownchangeKK*chgGame
 1571 1359 4.00 7 2.19 40 87.60 
  Oosthuizen, Michal Jacobus 1759  * RSA0.001-0.0840-3.20 
  Mothata, Omaatla Aobakwe 1141 RSA1.0010.22408.80 
  Munyere, Musa 1624 BOT1.0010.824032.80 
  Waheed Shawky, Youssef 1592 EGY1.0010.794031.60 
  Muchiri, Rocky 1611 KEN1.0010.814032.40 
  Ajili, Rayen 1514 TUN0.001-0.2940-11.60 
  George Micheal, Kevin 1759  * EGY0.001-0.0840-3.20 
 * 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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