Individual Calculations May 2017
 Serloni, Ludovico  Total change: -2.80  Rating chartPersonal card
 World Amateur Championship - under 1700 Spoleto ITA 2017-04-01
RcRownchangeKK*chgGame
 1518 1601 3.00 5 -0.07 40 -2.80 
  De Figueiredo Coutinho, Rocco 1514 ESP0.501-0.1240-4.80 
  De Rumigny, Philippe 1455 FRA1.0010.304012.00 
  Ngieng, Chew Sheng Samuel 1531 MAS0.501-0.1040-4.00 
  Keskin, Cengiz 1513 TUR0.501-0.1240-4.80 
  Homone, Daniel-Ifrim 1579 ROU0.501-0.0340-1.20 

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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