Individual Calculations July 2017
 Friedrich, Gerhard  Total change: -31.40  Rating chartPersonal card
 OP 9 Capo d'Orso Porto Mannu di Palau ITA 2017-06-03
RcRownchangeKK*chgGame
 1817 1915 4.00 9 -1.57 20 -31.40 
  Poetschke, Wolfgang 2086 GER0.5010.23204.60 
  Beccaris, Gabriele 2025 ITA0.5010.15203.00 
  Garofalo, Sergio 1712 ITA0.001-0.7620-15.20 
  Castagna, Celestino 1688 ITA1.0010.21204.20 
  Martorelli, Antonio m2206 ITA0.5010.35207.00 
  Brown, Clark 1634 USA0.001-0.8420-16.80 
  Battasi, Antonio Domenico 1708 ITA0.501-0.2720-5.40 
  Mircoli, Filippo 1670 ITA1.0010.20204.00 
  Pieri, Enzo 1625 ITA0.001-0.8420-16.80 

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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