Individual Calculations April 2009
 Wells, Peter K  Total change: -23.60  Rating chartPersonal card
 2009 Queenstown Chess Classic incorp 116th NZL Championship Queenstown NZL 2009-01-15
RcRownchangeKK*chgGame
 2307 2513 6.50 10 -1.02 10 -10.20 
  Fitzpatrick, Andrew 2163 AUS1.0010.11101.10 
  Bakker, Sven 2233 NED1.0010.16101.60 
  Cooper, Lawrence H m2313 ENG0.501-0.2610-2.60 
  Croad, Nicolas f2305 NZL0.501-0.2710-2.70 
  Smerdon, David m2463 AUS0.501-0.0710-0.70 
  Lyell, Mark f2286 ENG0.501-0.2910-2.90 
  Lukey, Stephen G f2247 NZL1.0010.18101.80 
  Johannessen, Leif Erlend g2539 NOR0.5010.04100.40 
  Chow, Sam 2268 AUS0.501-0.3010-3.00 
  Reilly, Tim f2256 AUS0.501-0.3210-3.20 

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)
 
 10th individual European chess championship Budva MNE 2009-03-06
RcRownchangeKK*chgGame
 2411 2513 5.50 11 -1.34 10 -13.40 
  Scekic, Veljko 2163 MNE0.501-0.3910-3.90 
  Fugulyan, Grigore 2163 ROU1.0010.11101.10 
  Potkin, Vladimir g2613 RUS0.5010.14101.40 
  Mamedov, Rauf g2638 AZE0.001-0.3310-3.30 
  Lamoureux, Charles m2374 FRA0.501-0.1910-1.90 
  Georgiadis, Ioannis m2383 GRE0.501-0.1810-1.80 
  Vojinovic, Jovana wm2331 MNE1.0010.26102.60 
  Nepomniachtchi, Ian g2628 RUS0.001-0.3410-3.40 
  Pankov, German f2392 RUS0.501-0.1610-1.60 
  Solomunovic, Igor m2416 GER0.501-0.1310-1.30 
  Jakovljevic, Vlado m2420 BIH0.501-0.1310-1.30 

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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