Individual Calculations January 2019
 Sahidi, Samir  Total change: 41.60  Rating chartPersonal card
 World Youth Under-16 Chess Olympiad 2018 Konya TUR 2018-11-24
RcRownchangeKK*chgGame
 2232 2309 6.50 9 1.27 20 25.40 
  Leffad , Samy f1909  * ALG1.0010.08201.60 
  Zarubitski, Viachaslau m2417 BLR0.5010.15203.00 
  Firouzja, Alireza g2607 IRI0.001-0.1520-3.00 
  Kamer, Kayra f2290 TUR0.001-0.5320-10.60 
  Liu, Zhanhe 2052 CAN1.0010.18203.60 
  Pheephacharakan, Pinatpong 1909  * THA1.0010.08201.60 
  Ivic, Velimir m2497 SRB1.0010.742014.80 
  Brilej, Jaka 2101 SLO1.0010.23204.60 
  Veiga, Jose Francisco R P Neves f2305 POR1.0010.49209.80 
 * 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)
 
 2. liga 2018/2019 B r4-5 various CZE 2018-12-02
RcRownchangeKK*chgGame
 2060 2298 1.00 1 0.20 20 4.00 
  Holy, Filip 2060 CZE1.0010.20204.00 

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)
 
 1. liga 2018/2019 zapad r4 various CZE 2018-12-09
RcRownchangeKK*chgGame
 2137 2298 1.00 1 0.29 20 5.80 
  Riha, Vojtech 2137 CZE1.0010.29205.80 

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)
 
 2.liga skupina A 2018/19 R5-6 Various SVK 2018-12-15
RcRownchangeKK*chgGame
 2168 2298 1.00 1 0.32 20 6.40 
  Sukuba, Zdeno 2168 SVK1.0010.32206.40 

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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