Individual Calculations January 2019
 Ruggeri, Igor  Total change: -19.20  Rating chartPersonal card
 WE 5 Autunno inizio inverno Mimosa - C Milano ITA 2018-12-21
RcRownchangeKK*chgGame
 1346 1496 2.50 5 -0.96 20 -19.20 
  Rossi, Gabriele Valerio 1278 ITA0.001-0.7820-15.60 
  Moroni, Luca 1220 ITA1.0010.17203.40 
  Rusanov, Ernest 1359 ITA0.001-0.6820-13.60 
  Lin, Yuxu 1453 ITA1.0010.44208.80 
  Scrocco, Pierluigi 1419 ITA0.501-0.1120-2.20 

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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