Individual Calculations July 2023
 Sammons, Matthew W  Total change: 0.00  Rating chartPersonal card
 10th Cherry Blossom Classic - U2000 Dulles, Virginia USA 2023-05-25
RcRownchangeKK*chgGame
 1519 1581 0.50 1 -0.09 40 -3.60 
  Naylor, Carla 1519 USA0.501-0.0940-3.60 

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)
 
 9th annual Continental Class Championships - Class A Reston, VA USA 2023-06-16
RcRownchangeKK*chgGame
 1587 1565 2.00 3 0.60 40 24.00 
  Murugan Ayyappan, Adhiraiyan 1649 USA0.5010.12404.80 
  Naylor, Carla 1519 USA1.0010.444017.60 
  Balakrishnan, Naveen 1592 USA0.5010.04401.60 

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)
 
 17th annual Philadelphia Open - U2100 Philadelphia, PA USA 2023-06-23
RcRownchangeKK*chgGame
 1564 1565 0.50 2 -0.51 40 -20.40 
  Nolan, Gregory Matthew 1761 USA0.001-0.2540-10.00 
  Goel, Raben 1367 USA0.501-0.2640-10.40 

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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