Individual Calculations December 2017
 Hoffmann, Piotr  Total change: 19.00  Rating chartPersonal card
 IV WIELKOPOLSKA LIGA SENIORÓW GRUPA A-2017-2018 Round 2-3 Poznan POL 2017-11-05
RcRownchangeKK*chgGame
 1628 1645 2.00 2 0.95 20 19.00 
  Tadych, Szymon 1505 POL1.0010.31206.20 
  Pawlowski, Rafal 1751 POL1.0010.642012.80 

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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