Individual Calculations May 2018
 Serafini, Luigi  Total change: 6.40  Rating chartPersonal card
 FE 14 Grand Hotel Adriatico - C Montesilvano ITA 2018-04-13
RcRownchangeKK*chgGame
 1339 1064 0.50 2 0.16 40 6.40 
  Laurenzi, Edoardo 1381 ITA0.001-0.1340-5.20 
  Tronca, Tommaso 1296 ITA0.5010.294011.60 

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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