Rapid: Individual Calculations January 2018
 Costin, Alexandru  Total change: 14.40  Rating chartPersonal card
 National Rapid Chess Championship 2017 - M Bucuresti ROU 2017-12-01
RcRownchangeKK*chgGame
 1748 1646 4.00 9 0.69 20 13.80 
  Voiteanu, Gabriel f2046  * ROU0.001-0.0820-1.60 
  Ungureanu, Constantin-Gabriel 1246  * ROU1.0010.08201.60 
  Nastase, Stefan 1894 ROU1.0010.812016.20 
  Done, Stefan-Daniel 2037 ROU0.001-0.0920-1.80 
  Negulescu, Alexandru 1864 ROU0.5010.28205.60 
  Chesa, Viorel 1833 ROU0.5010.24204.80 
  Matei, Adrian 1819 ROU0.001-0.2720-5.40 
  Mircea-Teodorescu, Marius-Ionut 1246  * ROU1.0010.08201.60 
  Serban, Cristian-Stefan 1750 ROU0.001-0.3620-7.20 
 * 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)
 
 Corneliu Butnariu Memorial 2017 Ploiesti ROU 2017-12-10
RcRownchangeKK*chgGame
 1711 1646 2.50 6 0.03 20 0.60 
  Tomescu, Vlad m2046  * ROU0.001-0.0820-1.60 
  Spiridon, Teodora 1250 ROU1.0010.08201.60 
  Matei, Florin-Cristian 1895 ROU0.001-0.1920-3.80 
  Udrea, Ioan-Alexandru 1276 ROU1.0010.10202.00 
  Negulescu, Alexandru 1864 ROU0.5010.28205.60 
  Matei, Nicolae 1933 ROU0.001-0.1620-3.20 
 * 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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