Individual Calculations September 2020
 Kostov, Deyan Samuil  Total change: 21.39  Rating chartPersonal card
 ROPOTAMO CUP 2020 Primorsko BUL 2020-07-04
RcRownchangeKK*chgGame
 2114 2176 5.00 8 0.36 31 11.16 
  Gocheva, Rumiana wm2007 BUL1.0010.28318.68 
  Stefanov, Plamen 2071 BUL1.0010.363111.16 
  Kanov, Nikola c2090 BUL1.0010.383111.78 
  Dimitrov, Atanas m2296 GRE1.0010.663120.46 
  Ivanov, Bogidar 2180 BUL0.001-0.4931-15.19 
  Nenkov, Ljudmil 2258 BUL1.0010.613118.91 
  Toncheva, Nadya wf2064 BUL0.001-0.6531-20.15 
  Kochiev, Ivan 1949 BUL0.001-0.7931-24.49 

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)
 
 Davos Schachsommer 2020 Davos SUI 2020-08-07
RcRownchangeKK*chgGame
 1845 2119 4.00 5 -0.10 31 -3.10 
  Schnell, Simon 1719  * SUI1.0010.08312.48 
  Cirrincione, Giansalvo 1795 ITA1.0010.13314.03 
  Collin, Moritz Valentin 1837 SUI0.501-0.3431-10.54 
  Yarzagaray, Antonio 1953 SUI0.501-0.2231-6.82 
  Cirrincione, Paze Paolo 1923 ITA1.0010.25317.75 
 * 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)
 
 European Union Youth Championship 2020 - U14 Kouty nad Desnou CZE 2020-08-14
RcRownchangeKK*chgGame
 1966 2119 6.50 9 0.43 31 13.33 
  Csernyik, Mark 1735 HUN1.0010.09312.79 
  Kostov, Kiril 1815 BUL1.0010.14314.34 
  Hak, David 2125 CZE0.001-0.4931-15.19 
  Meers, Hubert 2079 POL0.501-0.0631-1.86 
  Martinkova, Magdalena 1719  * CZE1.0010.08312.48 
  Nedelcu, Teodor-Cosmin c2041 ROU0.501-0.1131-3.41 
  Mihelic, Vesna 1966 SLO1.0010.30319.30 
  Stalmach, Richard f2273 CZE0.5010.21316.51 
  Winter, Ondrej 1945 CZE1.0010.27318.37 
 * 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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