Individual Calculations April 2023
 Petriman, Ion  Total change: -66.40  Rating chartPersonal card
 Romania National Senior Chess Championship 2023 - Open 65 Vaslui ROU 2023-03-11
RcRownchangeKK*chgGame
 1859 1639 0.00 1 -0.22 20 -4.40 
  Stancu, Ovidiu-Grigore 1859 ROU0.001-0.2220-4.40 

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)
 
 Romanian Soul A - 5th ed. Iasi ROU 2023-03-24
RcRownchangeKK*chgGame
 1267 1639 0.50 4 -3.10 20 -62.00 
  Sufaru, Mircia 1239  * ROU0.001-0.9220-18.40 
  Ropota, Damian-Alexandru 1228 ROU0.001-0.9220-18.40 
  Caraiman, Cezar-Cristian 1243 ROU0.001-0.9220-18.40 
  Manolachi, Tudor-Gabriel 1359 ROU0.501-0.3420-6.80 
 * 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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