Individual Calculations January 2009
 Bellahcene, Bilel  Total change: 42.15  Rating chartPersonal card
 European Youth Chess Championship 2008 - Boys U10 Herceg Novi MNE 2008-09-15
RcRownchangeKK*chgGame
 1980 1717 2.50 5 1.59 15 23.85 
  Antal, Tibor Kende 2036 HUN0.5010.37155.55 
  Duda, Jan-Krzysztof 1939 POL0.5010.28154.20 
  Steinberg, Nitzan 1959 ISR0.5010.30154.50 
  Paravyan, David 2035 RUS1.0010.871513.05 
  Vetoshko, Volodymyr 1930 UKR0.001-0.2315-3.45 

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)
 
 N2 - R1 Various FRA 2008-10-19
RcRownchangeKK*chgGame
 2184 1836 0.00 1 -0.11 15 -1.65 
  Briet, Antoine 2184 FRA0.001-0.1115-1.65 

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)
 
 World Youth Chess Championships 2008 - Open 10 Vung Tau VIE 2008-10-20
RcRownchangeKK*chgGame
 2042 1836 0.00 1 -0.24 15 -3.60 
  Mousavi, Seyed Khalil 2042 IRI0.001-0.2415-3.60 

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)
 
 N2 - R2-3 Various FRA 2008-11-22
RcRownchangeKK*chgGame
 2101 1836 1.00 2 0.65 15 9.75 
  Gingene, Eric 2096 FRA0.001-0.1815-2.70 
  Prost, Frederic 2105 FRA1.0010.831512.45 

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)
 
 Top Jeunes R1-2 Various FRA 2008-11-28
RcRownchangeKK*chgGame
 1895 1836 1.00 1 0.58 15 8.70 
  Viennot, Dylan 1895 FRA1.0010.58158.70 

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)
 
 Top Jeunes R3 Various FRA 2008-11-28
RcRownchangeKK*chgGame
 1718 1836 1.00 1 0.34 15 5.10 
  Lam-Roques, Kalvin 1718 FRA1.0010.34155.10 

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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