Individual Calculations April 2023
 Collier, Philip M  Total change: -5.40  Rating chartPersonal card
 The 1st Annual Murray Newcomb Memorial Tournament Tysons Corner, Virginia USA 2023-03-10
RcRownchangeKK*chgGame
 1620 1745 3.00 5 -0.27 20 -5.40 
  Zhuang, Kyle 1721 USA0.001-0.5320-10.60 
  Murugan Ayyappan, Adhiraiyan 1702 USA1.0010.44208.80 
  Chang, Leo 1540 USA0.501-0.2620-5.20 
  Rhines, Grayson 1437 USA1.0010.14202.80 
  Ananth, Ananya 1700 USA0.501-0.0620-1.20 

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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