Individual Calculations April 2018
 Schaffer, David  Total change: -6.20  Rating chartPersonal card
 Krajska soutez jih PDSS 2017/2018 r9 various CZE 2018-03-04
RcRownchangeKK*chgGame
 1720 1652 0.50 1 0.09 20 1.80 
  Vavrousek, Petr 1720 CZE0.5010.09201.80 

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)
 
 Krajsky prebor II východ PDSS 2017/2018 r10 various CZE 2018-03-18
RcRownchangeKK*chgGame
 1728 1652 0.00 1 -0.40 20 -8.00 
  Bouchal, Lukas 1728 CZE0.001-0.4020-8.00 

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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