Individual Calculations September 2023
 Ross, Max  Total change: 2.20  Rating chartPersonal card
 WIM Ruth Haring Memorial Tuesday Night Marathon - 1600 to 1999 Round 1-3 San Francisco, CA USA 2023-07-11
RcRownchangeKK*chgGame
 1801 1540 2.00 3 1.45 20 29.00 
  Sanguinetti, George 1740 USA1.0010.762015.20 
  Smith, Robert 1797 USA1.0010.822016.40 
  Gray, William 1865 USA0.001-0.1320-2.60 

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)
 
 WIM Ruth Haring Memorial Tuesday Night Marathon - 1600 to 1999 Round 4-7 San Francisco, CA USA 2023-08-01
RcRownchangeKK*chgGame
 1376 1540 0.00 2 -1.34 20 -26.80 
  Wong, Wilson 1589 USA0.001-0.4320-8.60 
  Ballantyne, Andrew 1163 USA0.001-0.9120-18.20 

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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