Individual Calculations January 2023
 Johnson, Donald  Total change: 7.60  Rating chartPersonal card
 2022 US Masters Charlotte, North Carolina USA 2022-11-23
RcRownchangeKK*chgGame
 2150 2232 5.50 9 0.04 38 1.52 
  Naroditsky, Daniel g2617 USA0.001-0.0938-3.42 
  Gardezi, Arsal 2006 USA1.0010.21387.98 
  Escobar Forero, Alder g2510 COL0.5010.333812.54 
  Chirilov, James 1890 USA0.001-0.8838-33.44 
  Adury, Anant 2029 USA0.501-0.2638-9.88 
  Bruha, Nicholas 1984 USA0.501-0.3138-11.78 
  Fishbein, Mitch 2023 USA1.0010.23388.74 
  Parker, Anthony 1949 USA1.0010.16386.08 
  Chiku-Ratte, Olivier m2344 CAN1.0010.653824.70 

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)
 
 2022 SPICE Cup Open Chesterfield, MO USA 2022-12-18
RcRownchangeKK*chgGame
 2337 2232 3.50 9 0.16 38 6.08 
  Preotu, Razvan g2493 CAN1.0010.823831.16 
  Steingrimsson, Hedinn g2504 ISL0.001-0.1738-6.46 
  Sethuraman, Sandeep f2394 USA0.001-0.2938-11.02 
  Ladan, Nicholas 2091 USA0.501-0.1938-7.22 
  Reiss, Aiden 2004 USA1.0010.21387.98 
  Narayanan, Samrug f2356 USA1.0010.673825.46 
  Bora, Safal m2441 USA0.001-0.2338-8.74 
  Wu, Derek f2248 USA0.001-0.4838-18.24 
  Srivatshav P, Rahul g2498 IND0.001-0.1838-6.84 

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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