Individual Calculations February 2023
 Petrache, Otto  Total change: -12.60  Rating chartPersonal card
 Ialomita Open - 4th ed. Urziceni ROU 2023-01-14
RcRownchangeKK*chgGame
 1516 1217 1.00 6 -0.63 20 -12.60 
  Chivu, Razvan-Gabriel 1770 ROU0.001-0.0320-0.60 
  Angelov, Zvetomir 2099 BUL0.0010.00200.00 
  Grigorescu, Mihai 1049 ROU1.0010.28205.60 
  Iosif, Constantin 1534 ROU0.001-0.1320-2.60 
  Martinenco, Nicolae 1476 MDA0.001-0.1820-3.60 
  Olteanu, Mihai-Sebastian 1166 ROU0.001-0.5720-11.40 

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)
 

 

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