Individual Calculations May 2019
 Petreski, Leonid  Total change: -3.60  Rating chartPersonal card
 Youth chess tournament "Naum Naumovski - Borche" 2019 Skopje MKD 2019-03-30
RcRownchangeKK*chgGame
 1436 1495 3.50 6 0.09 40 3.60 
  Nikolovski, Kiril 1205 MKD1.0010.16406.40 
  Eftovski, Mateo 1607 MKD0.001-0.3540-14.00 
  Ivanov, Andrey 1238 MKD1.0010.18407.20 
  Zlatkov, Anton 1833 MKD0.001-0.1240-4.80 
  Nikolovski, David 1549 MKD1.0010.584023.20 
  Lazarov, Krste 1185 MKD0.501-0.3640-14.40 

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)
 
 Youth Chess Match U1600, Skopje-Thessaloniki Skopje MKD 2019-04-20
RcRownchangeKK*chgGame
 1319 1495 5.50 8 -0.18 40 -7.20 
  Sahinidis, Konstantinos 1507 GRE0.001-0.4840-19.20 
  Potoulis, Ioannis 1488 GRE1.0010.494019.60 
  Giannoulaki, Ermofili 1379 GRE1.0010.344013.60 
  Kalogridis, Themistoklis 1300 GRE0.501-0.2540-10.00 
  Iakovidis, Orestis Marios 1323 GRE1.0010.274010.80 
  Tsivelekidou, Anthoula Elpida 1311 GRE0.001-0.7440-29.60 
  Alexandri, Dimitra 1147 GRE1.0010.11404.40 
  Delisavidis, Dionysios 1095  * GRE1.0010.08403.20 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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