Individual Calculations October 2023
 Krkyasharyan, Sona  Total change: 268.80  Rating chartPersonal card
 European Youth Championship - Girls 14 Mamaia ROU 2023-09-05
RcRownchangeKK*chgGame
 1904 1522 6.50 9 5.58 40 223.20 
  Rybackova, Lucie 1917 CZE1.0010.924036.80 
  Li, Anna Sofie 1763 DEN1.0010.804032.00 
  Tsetskhladze, Mariam 1841 GEO0.001-0.1340-5.20 
  Bat, Anu 1794 FRA1.0010.834033.20 
  Toth, Lili wf2016 HUN1.0010.964038.40 
  Mgeladze, Kesaria 1994 GEO0.001-0.0540-2.00 
  Novomeska, Karin wc1814 SVK0.5010.354014.00 
  Nenova, Andzhelika 1989 BUL1.0010.954038.00 
  Stoll, Lucia 2006 FRA1.0010.954038.00 

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)
 
 Tsaghkadzor Open 2023 - Tournament B Tsaghkadzor ARM 2023-09-20
RcRownchangeKK*chgGame
 1593 1522 4.50 8 1.14 40 45.60 
  Petrosyan, Artur Kareni 1719 ARM0.001-0.2540-10.00 
  Dabaghyan, Gor 1198 ARM1.0010.13405.20 
  Avetisyan, Gor 1702 ARM0.001-0.2640-10.40 
  Harutyunyan, Gabriela 1299 ARM0.501-0.2840-11.20 
  Kasinyan, Lilit 1333 ARM1.0010.254010.00 
  Mesropyan, Samvel 1799 ARM1.0010.834033.20 
  Gevorgyan, Alen 1939 ARM0.001-0.0740-2.80 
  Soghomonyan, Vaghinak 1754 ARM1.0010.794031.60 

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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