Blitz: Individual Calculations August 2023
 Riggs, Samuel  Total change: -13.80  Rating chartPersonal card
 2023 British Championship: First Blitz U1600 Leicester ENG 2023-07-20
RcRownchangeKK*chgGame
 1458 1505 1.00 3 -0.69 20 -13.80 
  Ryan, John 1425 IRL1.0010.39207.80 
  Seet, Joshua 1568 ENG0.001-0.4120-8.20 
  Boztas, Lana 1381 ENG0.001-0.6720-13.40 

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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