Individual Calculations April 2009
 Dubois, Pierre  Total change: 33.40  Rating chartPersonal card
 Open RETIF 2008-2009 (Ch dept Loire Atlantique) - 2 PDL FRA 2008-12-01
RcRownchangeKK*chgGame
 1958 1836 0.00 2 -0.69 25 -17.25 
  Galan, Francois 2061 FRA0.001-0.2225-5.50 
  Poulain, Yves 1855 FRA0.001-0.4725-11.75 

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)
 
 N4 - R3 Various FRA 2008-12-14
RcRownchangeKK*chgGame
 1859 1836 0.00 1 -0.47 25 -11.75 
  Daniel, Jean-Claude 1859 FRA0.001-0.4725-11.75 

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)
 
 7e open international de Nantes Nantes FRA 2008-12-26
RcRownchangeKK*chgGame
 2019 1836 5.00 9 2.52 25 63.00 
  Jaulin, Philippe 2175 FRA0.5010.38259.50 
  Hallope, Arnaud 1740 FRA1.0010.37259.25 
  Leclercq, Benoit 2092 FRA1.0010.812520.25 
  Delorme, Alban f2186 FRA0.001-0.1125-2.75 
  Le Gallo, Frederic 2016 FRA1.0010.742518.50 
  Pirotais, Jerome 1990 FRA0.001-0.2925-7.25 
  Giraud, Thierry 1959 FRA1.0010.672516.75 
  Picard, Remi 2025 FRA0.5010.25256.25 
  Kirk, Jason 1985 FRA0.001-0.3025-7.50 

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)
 
NOTE: K factor changed
 N4 - R4 Various FRA 2009-01-18
RcRownchangeKK*chgGame
 2088 1855 0.00 1 -0.21 15 -3.15 
  Soyer, Jean-Yves 2088 FRA0.001-0.2115-3.15 

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)
 
NOTE: K factor changed
 N4 - R5 Various FRA 2009-02-08
RcRownchangeKK*chgGame
 1978 1855 0.50 1 0.17 15 2.55 
  Cristescu, Florin 1978 ROU0.5010.17152.55 

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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