Individual Calculations March 2011
 Sommerhalder, Eric  Total change: 21.75  Rating chartPersonal card
 34. Zurich Weihnachtsopen Master Zurich SUI 2010-12-26
RcRownchangeKK*chgGame
 2184 1990 2.50 7 0.69 15 10.35 
  Gloor, Roger 2221 SUI1.0010.791511.85 
  Zozulia, Anna mwg2346 BEL0.001-0.1115-1.65 
  Simon, Ralf-Axel f2199 GER0.001-0.2315-3.45 
  Weiler, Dieter 2165 GER0.001-0.2715-4.05 
  Seitz, Benjamin 2081 SUI0.5010.12151.80 
  Bous, Florian 2092 GER1.0010.64159.60 
  Di, Fonzo Valerio c2182 ITA0.001-0.2515-3.75 

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)
 
 Hilton Schachfestival Masters BASEL SUI 2011-01-01
RcRownchangeKK*chgGame
 2121 2000 1.00 5 -0.71 15 -10.65 
  Melkumjanc, Nicolaj f2260 GER0.001-0.1815-2.70 
  Bacrot, Nathalie 2114 FRA0.001-0.3415-5.10 
  Meyer, Bernhard 2133 SUI0.001-0.3215-4.80 
  Heinis, Vincent 2097 FRA0.001-0.3715-5.55 
  Meier, Franz 2003 SUI1.0010.50157.50 

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)
 
 Tradewise Chess Festival - Challengers A Gibraltar ENG 2011-01-24
RcRownchangeKK*chgGame
 2164 2000 1.50 4 0.36 15 5.40 
  Meskovs, Nikita 2242 LAT1.0010.801512.00 
  Havik, Victor 2107 NOR0.5010.15152.25 
  Seyfried, Claus 2173 GER0.001-0.2715-4.05 
  Siegmund, Rainer 2133 GER0.001-0.3215-4.80 

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)
 
 Tradewise Chess Festival - Masters Gibraltar ENG 2011-01-25
RcRownchangeKK*chgGame
 2142 2000 4.00 10 0.69 15 10.35 
  Illner, Achim Dr f2345 GER0.001-0.1115-1.65 
  Wright, Jonathan 1895 ENG1.0010.36155.40 
  Vea, Odin Blikra 2214 NOR0.5010.27154.05 
  Malmdin, Nils-Ake 2272 SWE0.001-0.1715-2.55 
  Sipila, Vilka 2269 FIN0.001-0.1715-2.55 
  Reid, Vaness wf1841 AUS1.0010.29154.35 
  Jaunooby, Ali R 2207 ENG0.001-0.2315-3.45 
  Martinez Gonzalez, Francisco Ii 1907 ESP1.0010.37155.55 
  Aerni, Andi 2182 SUI0.5010.24153.60 
  Stebbings, Anthony J 2285 ENG0.001-0.1615-2.40 

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)
 
 Tradewise Chess Festival - Challengers B Gibraltar ENG 2011-01-29
RcRownchangeKK*chgGame
 2076 2000 2.00 4 0.42 15 6.30 
  Jaunooby, Ali R 2207 ENG0.001-0.2315-3.45 
  Haddock, Paul 1757 ENG1.0010.20153.00 
  Urbina Perez, Juan Antonio c2189 ESP0.5010.25153.75 
  Severijnen, Arjon 2152 NED0.5010.20153.00 

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)
 

 

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